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Fix audio tracks with channel count 1 being discarded

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Vanilagy
2025-01-02 23:53:22 +01:00
parent 676ceb7df1
commit f6d12390cd
1 changed files with 5 additions and 5 deletions
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src/isobmff/isobmff-demuxer.ts
+5 -5
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@@ -44,7 +44,7 @@ type InternalTrack = {
durationInMovieTimescale: number; durationInMovieTimescale: number;
durationInMediaTimescale: number; durationInMediaTimescale: number;
rotation: Rotation; rotation: Rotation;
sampleTableOffset: number; sampleTableByteOffset: number;
sampleTable: SampleTable | null; sampleTable: SampleTable | null;
fragmentLookupTable: FragmentLookupTableEntry[] | null; fragmentLookupTable: FragmentLookupTableEntry[] | null;
currentFragmentState: FragmentTrackState | null; currentFragmentState: FragmentTrackState | null;
@@ -274,7 +274,7 @@ export class IsobmffDemuxer extends Demuxer {
}; };
internalTrack.sampleTable = sampleTable; internalTrack.sampleTable = sampleTable;
this.isobmffReader.pos = internalTrack.sampleTableOffset; this.isobmffReader.pos = internalTrack.sampleTableByteOffset;
this.currentTrack = internalTrack; this.currentTrack = internalTrack;
this.traverseBox(); this.traverseBox();
this.currentTrack = null; this.currentTrack = null;
@@ -536,7 +536,7 @@ export class IsobmffDemuxer extends Demuxer {
durationInMovieTimescale: -1, durationInMovieTimescale: -1,
durationInMediaTimescale: -1, durationInMediaTimescale: -1,
rotation: 0, rotation: 0,
sampleTableOffset: -1, sampleTableByteOffset: -1,
sampleTable: null, sampleTable: null,
fragmentLookupTable: null, fragmentLookupTable: null,
currentFragmentState: null, currentFragmentState: null,
@@ -551,7 +551,7 @@ export class IsobmffDemuxer extends Demuxer {
const videoTrack = track as InternalVideoTrack; const videoTrack = track as InternalVideoTrack;
track.inputTrack = new InputVideoTrack(new IsobmffVideoTrackBacking(videoTrack)); track.inputTrack = new InputVideoTrack(new IsobmffVideoTrackBacking(videoTrack));
this.tracks.push(track); this.tracks.push(track);
} else if (track.info.type === 'audio' && track.info.numberOfChannels !== 1) { } else if (track.info.type === 'audio' && track.info.numberOfChannels !== -1) {
const audioTrack = track as InternalAudioTrack; const audioTrack = track as InternalAudioTrack;
track.inputTrack = new InputAudioTrack(new IsobmffAudioTrackBacking(audioTrack)); track.inputTrack = new InputAudioTrack(new IsobmffAudioTrackBacking(audioTrack));
this.tracks.push(track); this.tracks.push(track);
@@ -657,7 +657,7 @@ export class IsobmffDemuxer extends Demuxer {
const track = this.currentTrack; const track = this.currentTrack;
assert(track); assert(track);
track.sampleTableOffset = startPos; track.sampleTableByteOffset = startPos;
this.readContiguousBoxes(boxInfo.contentSize); this.readContiguousBoxes(boxInfo.contentSize);
}; break; }; break;