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Add support for HEVC in Annex B, fix HEVC codec string extraction logic

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This commit is contained in:
Vanilagy
2025-05-12 14:56:34 +02:00
parent c3ffdb3054
commit b0a6cf8535
8 changed files with 730 additions and 109 deletions
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dev/mux.html
+7 -4
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@@ -44,6 +44,7 @@
format = new Metamuxer.Mp4OutputFormat({ fastStart: 'fragmented', minimumFragmentDuration: 2 });
format = new Metamuxer.MkvOutputFormat({ minimumClusterDuration: 2 });
format = new Metamuxer.WavOutputFormat();
format = new Metamuxer.MkvOutputFormat();
let target = new Metamuxer.BufferTarget();
/*
@@ -58,6 +59,7 @@
let output = new Metamuxer.Output({ format, target });
/*
let sourcy = new Metamuxer.AudioBufferSource({
codec: 'pcm-s16',
bitrate: Metamuxer.QUALITY_HIGH
@@ -81,6 +83,7 @@
await output.finalize();
await new Promise(() => {});
*/
/*
let videoSource = new Metamuxer.EncodedVideoChunkSource('avc');
@@ -112,8 +115,8 @@
*/
let videoSource = new Metamuxer.CanvasSource(canvas, {
codec: 'avc',
fullCodecString: 'avc1.42001f',
codec: 'hevc',
//fullCodecString: 'avc1.42001f',
bitrate: 1e6
});
let audioSource = new Metamuxer.AudioBufferSource({
@@ -190,7 +193,7 @@ Testing... <00:17.350>One... <00:18.125>Two...
context.fillStyle = ['red', 'green', 'blue', 'yellow'][i % 4];
context.fillRect(canvas.width * Math.random(), canvas.height * Math.random(), canvas.width * Math.random(), canvas.height * Math.random());
await videoSource.add(i / 10, 1 / 10, { keyFrame: true });
await videoSource.add(i / 10, 1 / 10);
}
let audioContext = new AudioContext();
@@ -203,5 +206,5 @@ Testing... <00:17.350>One... <00:18.125>Two...
await output.finalize();
console.log(target);
//download(new Blob([target.buffer]), 'test' + format.fileExtension);
download(new Blob([target.buffer]), 'test' + format.fileExtension);
</script>