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Add metadata read/write support to ISOBMFF, add more metadata fields, add raw metadata support

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Vanilagy
2025-09-04 21:28:23 +02:00
parent 7f310eccdf
commit efa933863d
9 changed files with 967 additions and 174 deletions
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src/isobmff/isobmff-muxer.ts
+6 -6
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@@ -152,10 +152,10 @@ export class IsobmffMuxer extends Muxer {
private mdat: Box | null = null;
private trackDatas: IsobmffTrackData[] = [];
trackDatas: IsobmffTrackData[] = [];
private allTracksKnown = promiseWithResolvers();
private creationTime = Math.floor(Date.now() / 1000) + TIMESTAMP_OFFSET;
creationTime = Math.floor(Date.now() / 1000) + TIMESTAMP_OFFSET;
private finalizedChunks: Chunk[] = [];
private nextFragmentNumber = 1;
@@ -988,7 +988,7 @@ export class IsobmffMuxer extends Muxer {
}
// Write the moov box now that we have all decoder configs
const movieBox = moov(this.trackDatas, this.creationTime, true);
const movieBox = moov(this, true);
this.boxWriter.writeBox(movieBox);
if (this.format._options.onMoov) {
@@ -1140,7 +1140,7 @@ export class IsobmffMuxer extends Muxer {
// size of the moov box and can compute the proper chunk positions.
for (let i = 0; i < 2; i++) {
const movieBox = moov(this.trackDatas, this.creationTime);
const movieBox = moov(this);
const movieBoxSize = this.boxWriter.measureBox(movieBox);
mdatSize = this.boxWriter.measureBox(this.mdat);
let currentChunkPos = this.writer.getPos() + movieBoxSize + mdatSize;
@@ -1162,7 +1162,7 @@ export class IsobmffMuxer extends Muxer {
this.writer.startTrackingWrites();
}
const movieBox = moov(this.trackDatas, this.creationTime);
const movieBox = moov(this);
this.boxWriter.writeBox(movieBox);
if (this.format._options.onMoov) {
@@ -1218,7 +1218,7 @@ export class IsobmffMuxer extends Muxer {
this.writer.startTrackingWrites();
}
const movieBox = moov(this.trackDatas, this.creationTime);
const movieBox = moov(this);
this.boxWriter.writeBox(movieBox);
if (this.format._options.onMoov) {