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Implement optimized fragmented MP4 demuxing

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This commit is contained in:
David Payr
2024-12-14 21:50:51 +01:00
parent 5978110de9
commit 07689fbd8d
14 changed files with 2543 additions and 163 deletions
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src/isobmff/isobmff-boxes.ts
+1 -1
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@@ -989,7 +989,7 @@ export const tfra = (trackData: IsobmffTrackData, trackIndex: number) => {
u32(0b111111), // This specifies that traf number, trun number and sample number are 32-bit ints
u32(trackData.finalizedChunks.length), // Number of entries
trackData.finalizedChunks.map(chunk => [
u64(intoTimescale(chunk.startTimestamp, trackData.timescale)), // Time
u64(intoTimescale(chunk.samples[0]!.timestamp, trackData.timescale)), // Time (in presentation time)
u64(chunk.moofOffset!), // moof offset
u32(trackIndex + 1), // traf number
u32(1), // trun number