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Vanilagy
2025-04-28 20:03:18 +02:00
parent ac1b009486
commit 86231bf6e2
1 changed files with 16 additions and 22 deletions
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src/media-source.ts
+16 -22
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@@ -567,18 +567,8 @@ export class MediaStreamVideoTrackSource extends VideoSource {
const processor = new MediaStreamTrackProcessor({ track: this._track });
const consumer = new WritableStream<VideoFrame>({
write: (videoFrame) => {
const timestampInSeconds = videoFrame.timestamp / 1e6;
assert(this._connectedTrack);
const muxer = this._connectedTrack.output._muxer;
if (muxer.firstMediaStreamTimestamp === null) {
// We're the first MediaStreamTrack of this output to receive data
muxer.firstMediaStreamTimestamp = timestampInSeconds;
}
if (!frameReceived) {
// Math.min to ensure the timestamps can't get negative
this._timestampOffset = -Math.min(muxer.firstMediaStreamTimestamp, timestampInSeconds);
setMediaStreamTimestampOffset(this, videoFrame);
frameReceived = true;
}
@@ -1226,18 +1216,8 @@ export class MediaStreamAudioTrackSource extends AudioSource {
const processor = new MediaStreamTrackProcessor({ track: this._track });
const consumer = new WritableStream<AudioData>({
write: (audioData) => {
const timestampInSeconds = audioData.timestamp / 1e6;
assert(this._connectedTrack);
const muxer = this._connectedTrack.output._muxer;
if (muxer.firstMediaStreamTimestamp === null) {
// We're the first MediaStreamTrack of this output to receive data
muxer.firstMediaStreamTimestamp = timestampInSeconds;
}
if (!dataReceived) {
// Math.min to ensure the timestamps can't get negative
this._timestampOffset = -Math.min(muxer.firstMediaStreamTimestamp, timestampInSeconds);
setMediaStreamTimestampOffset(this, audioData);
dataReceived = true;
}
@@ -1272,6 +1252,20 @@ export class MediaStreamAudioTrackSource extends AudioSource {
}
}
const setMediaStreamTimestampOffset = (source: MediaSource, sample: VideoFrame | AudioData) => {
const timestampInSeconds = sample.timestamp / 1e6;
assert(source._connectedTrack);
const muxer = source._connectedTrack.output._muxer;
if (muxer.firstMediaStreamTimestamp === null) {
// We're the first MediaStreamTrack of this output to receive data
muxer.firstMediaStreamTimestamp = timestampInSeconds;
}
// Math.min to ensure the timestamps can't get negative
source._timestampOffset = -Math.min(muxer.firstMediaStreamTimestamp, timestampInSeconds);
};
/**
* Base class for subtitle sources - sources for subtitle tracks.
* @public