arcodange/mediabunny
1
0
Fork 0
mirror of https://github.com/arcodange-org/mediabunny.git synced 2026-10-03 05:43:50 +02:00
Code Issues Packages Projects Releases Wiki Activity

Start work on HlsOutputFormat

Browse Source
This commit is contained in:
Vanilagy
2026-03-17 15:25:06 +01:00
parent e42fc85f19
commit dd8621b6d5
17 changed files with 619 additions and 72 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/isobmff/isobmff-muxer.ts
+17 -18
View File
@@ -150,10 +150,10 @@ export const intoTimescale = (timeInSeconds: number, timescale: number, round =
export class IsobmffMuxer extends Muxer {
format: IsobmffOutputFormat;
private writer: Writer;
private boxWriter: IsobmffBoxWriter;
private fastStart: NonNullable<IsobmffOutputFormatOptions['fastStart']>;
isFragmented: boolean;
private writer!: Writer;
private boxWriter!: IsobmffBoxWriter;
private fastStart!: NonNullable<IsobmffOutputFormatOptions['fastStart']>;
isFragmented!: boolean;
isQuickTime: boolean;
@@ -179,27 +179,26 @@ export class IsobmffMuxer extends Muxer {
super(output);
this.format = format;
this.writer = output._writer;
this.boxWriter = new IsobmffBoxWriter(this.writer);
this.isQuickTime = format instanceof MovOutputFormat;
// If the fastStart option isn't defined, enable in-memory fast start if the target is an ArrayBuffer, as the
// memory usage remains identical
const fastStartDefault = this.writer instanceof BufferTargetWriter ? 'in-memory' : false;
this.fastStart = format._options.fastStart ?? fastStartDefault;
this.isFragmented = this.fastStart === 'fragmented';
if (this.fastStart === 'in-memory' || this.isFragmented) {
this.writer.ensureMonotonicity = true;
}
this.minimumFragmentDuration = format._options.minimumFragmentDuration ?? 1;
}
async start() {
const release = await this.mutex.acquire();
this.writer = await this.output._getRootWriter();
this.boxWriter = new IsobmffBoxWriter(this.writer);
// If the fastStart option isn't defined, enable in-memory fast start if the target is an ArrayBuffer, as the
// memory usage remains identical
const fastStartDefault = this.writer instanceof BufferTargetWriter ? 'in-memory' : false;
this.fastStart = this.format._options.fastStart ?? fastStartDefault;
this.isFragmented = this.fastStart === 'fragmented';
if (this.fastStart === 'in-memory' || this.isFragmented) {
this.writer.ensureMonotonicity = true;
}
const holdsAvc = this.output._tracks.some(x => x.type === 'video' && x.source._codec === 'avc');
// Write the header