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Add VideoSample and AudioSample abstractions

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This commit is contained in:
David Payr
2025-03-13 21:46:39 +01:00
parent d833b5ef31
commit 6eb5c02591
12 changed files with 1571 additions and 873 deletions
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dev/player.html
-38
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@@ -53,44 +53,6 @@ if (!(await audioTrack?.canDecode())) {
audioTrack = null;
}
//const startTime2 = audioContext.currentTime + 0.2;
//const sink = new Metamuxer.AudioDataSink(audioTrack);
//for await (const { data } of sink.data(0)) {
// const sample = new Metamuxer.AudioSample(data)
//
// console.log(sample.toAudioData())
//
// const audioBuffer = sample.toAudioBuffer()
//
// //console.log(sample, sample.allocationSize({ planeIndex: 7, format: 'u8-planar' }))
//
// //break;
//
// /*
// const audioBuffer = new AudioBuffer({
// numberOfChannels: sample.numberOfChannels,
// length: sample.numberOfFrames,
// sampleRate: sample.sampleRate,
// });
//
// // All user agents are required to support conversion to f32-planar
// const dataBytes = new Uint8Array(sample.allocationSize({ planeIndex: 0, format: 'u8-planar' }));
//
// for (let i = 0; i < sample.numberOfChannels; i++) {
// sample.copyTo(dataBytes, { planeIndex: i, format: 'u8-planar' });
// audioBuffer.copyToChannel(new Float32Array(dataBytes).map(x => (x - 128)/128), i);
// }
// */
//
// const node = audioContext.createBufferSource();
// node.buffer = audioBuffer;
// node.connect(audioContext.destination);
// node.start(startTime2 + sample.timestamp);
//}
//
//await new Promise(() => {})
const canvas = document.querySelector('canvas');
const context = canvas.getContext('2d');
let videoRotation = 0;