feat: added support for playing different AudioBuffer sample rates (#283

) Co-authored-by: Maciej Makowski <[email protected]>
software-mansion-labs · Feb 3, 2025 · 0ea9016 · 0ea9016
1 parent 06e04a0
commit 0ea9016
Showing 1 changed file with 5 additions and 2 deletions.
diff --git a/packages/react-native-audio-api/common/cpp/core/AudioBufferSourceNode.cpp b/packages/react-native-audio-api/common/cpp/core/AudioBufferSourceNode.cpp
@@ -232,8 +232,11 @@ float AudioBufferSourceNode::getPlaybackRateValue(size_t &startOffset) {
   auto time = context_->getCurrentTime() +
       static_cast<double>(startOffset) / context_->getSampleRate();
 
-  return playbackRateParam_->getValueAtTime(time) *
-      std::pow(2.0f, detuneParam_->getValueAtTime(time) / 1200.0f);
+  auto sampleRateFactor = buffer_->getSampleRate() / context_->getSampleRate();
+  auto detune = std::pow(2.0f, detuneParam_->getValueAtTime(time) / 1200.0f);
+  auto playbackRate = playbackRateParam_->getValueAtTime(time);
+
+  return playbackRate * sampleRateFactor * detune;
 }
 
 double AudioBufferSourceNode::getVirtualStartFrame() {