Version 1.1 RELEASE Copyright Penguin_Spy 2021
Name | Offset | Length | Description |
---|---|---|---|
Version | 0 | 1 Byte | Version of this LLV file. For this specification, should be 0b0.001.0001 . 1st bit is set if debug |
Features | 1 | 1 Byte | Bitmask - Which features this file uses: |
0 - Sound; UNUSED/RESERVED & ignored, should always be 0 | |||
1 - Captions; UNUSED/RESERVED & ignored, should always be 0 | |||
2-7 Reserved, should be zeros. | |||
FPS | 2 | 1 Byte | Frames per Second to play the video in. |
OFF | 3 | 1 Byte | GraphX default pallete color to use for "off" pixels (https://ce-programming.github.io/toolchain/libraries/graphx.html#default-palette) |
ON | 4 | 1 Byte | GraphX default pallete color to use for "on" pixels |
Title | 5 | 1 + str | Length-prepended string to display as the name of the video. |
Frames | depends | #o Frames | List of frames. Frame format is described below. |
Name | Offset | Length | Description |
---|---|---|---|
Header | 0 | 1 Byte | Bitmask - how to render frame: |
0 - Starting color; 0 = black, 1 = white | |||
1 - Compression direction; 0 - horizontal, 1 = vertical; UNUSED/RESERVED & ignored, should always be 0 | |||
2 - Display length; 0 - display frame for one frame, 1 - next bytes include how many frames to repeat this frame | |||
3 - Sound; 0 - no sound change, 1 - next bytes include tone/note to play. UNUSED/RESERVED & ignored, should always be 0 | |||
4-7: Reserved, should be 0. | |||
Display | 1 | 1 Byte | If display length bit set, number of frames to display this frame for. Not present otherwise. |
Sound | depends | 1 Byte? | If sound bit set, tone/note to play. Not present otherwise. UNUSED/RESERVED, NEVER PRESENT |
#o lines | depends | 2 Bytes | Number of lines in this frame. |
Frame Data | depends | #o lines | List of distances between each color change. A value of 0xFF (255) does not swap the color, allowing contiguous sections of the same color longer than 255. Line lengths of exactly 255 should be encoded as a 255 length line, followed by a 0 length line. |