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Implement PCM encoders

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Vanilagy
2025-01-05 15:58:20 +01:00
parent 37820f1d4c
commit 2625dc7662
8 changed files with 341 additions and 96 deletions
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dev/demux.html
+5 -3
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@@ -57,7 +57,7 @@
const decoderConfig = await audioTrack.getDecoderConfig();
const sampleSource = new Metamuxer.EncodedAudioSampleSource(await audioTrack.getCodec());
const audioDataSource = new Metamuxer.AudioDataSource({ codec: 'aac', bitrate: 128e3 });
const audioDataSource = new Metamuxer.AudioDataSource({ codec: 'alaw', bitrate: 128e3 });
const videoSampleSource = new Metamuxer.EncodedVideoSampleSource(await videoTrack.getCodec());
output.addAudioTrack(audioDataSource ?? sampleSource);
output.addVideoTrack(videoSampleSource);
@@ -66,13 +66,15 @@
const videoDecoderConfig = await videoTrack.getDecoderConfig();
/*
for await (const sample of drain.samples()) {
//sample.timestamp *= 2;
//console.log(sample);
//console.log(sample)
await sampleSource.digest(sample, { decoderConfig });
}*/
}
*/
for await (const { data } of new Metamuxer.AudioDataDrain(audioTrack).data()) {
//console.log(sample)
await audioDataSource.digest(data);
@@ -94,7 +96,7 @@
a.click();
URL.revokeObjectURL(url);
}
//download(new Blob([target.buffer]), 'converted.mov');
download(new Blob([target.buffer]), 'converted.mov');
document.body.textContent = performance.now() - start;