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Allow non-zero initial timestamps for ISOBMFF muxer

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Vanilagy
2025-01-04 14:02:45 +01:00
parent 2e8d49f900
commit 5bb9f8609c
7 changed files with 109 additions and 22 deletions
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src/muxer.ts
-5
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@@ -34,7 +34,6 @@ export abstract class Muxer {
lastKeyFrameTimestamp: number;
}>();
abstract timestampsMustStartAtZero: boolean;
protected validateAndNormalizeTimestamp(track: OutputTrack, timestampInSeconds: number, isKeyFrame: boolean) {
let timestampInfo = this.trackTimestampInfo.get(track);
if (!timestampInfo) {
@@ -42,10 +41,6 @@ export abstract class Muxer {
throw new Error('First frame must be a key frame.');
}
if (this.timestampsMustStartAtZero && timestampInSeconds > 0) {
throw new Error(`Timestamps must start at zero (got ${timestampInSeconds}s).`);
}
timestampInfo = {
timestampOffset: timestampInSeconds,
maxTimestamp: track.source._offsetTimestamps ? 0 : timestampInSeconds,