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Allow Matroska clusters that don't begin with a key frame

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Vanilagy
2025-03-21 22:50:57 +01:00
parent 3863ffe4d8
commit 4645b0d6a5
5 changed files with 49 additions and 24 deletions
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src/isobmff/isobmff-demuxer.ts
+4
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@@ -3,6 +3,7 @@ import {
AudioCodec,
Av1CodecInfo,
extractAudioCodecString,
extractAv1CodecInfoFromFrame,
extractVideoCodecString,
extractVp9CodecInfoFromFrame,
MediaCodec,
@@ -2349,6 +2350,9 @@ class IsobmffVideoTrackBacking extends IsobmffTrackBacking implements InputVideo
if (this.internalTrack.info.codec === 'vp9' && !this.internalTrack.info.vp9CodecInfo) {
const firstPacket = await this.getFirstPacket({});
this.internalTrack.info.vp9CodecInfo = firstPacket && extractVp9CodecInfoFromFrame(firstPacket.data);
} else if (this.internalTrack.info.codec === 'av1' && !this.internalTrack.info.av1CodecInfo) {
const firstPacket = await this.getFirstPacket({});
this.internalTrack.info.av1CodecInfo = firstPacket && extractAv1CodecInfoFromFrame(firstPacket.data);
}
return {