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Add toAvFrame, NodeAv* -> Av*, add server README, fix track synchronizer in conversion, increase default cache size for ReadableStreamSource

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This commit is contained in:
Vanilagy
2026-05-13 15:26:13 +02:00
parent d2d485196f
commit 292189e3d4
15 changed files with 4597 additions and 88 deletions
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packages/server/src/audio-encoder.ts
+5 -17
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@@ -15,9 +15,9 @@ import {
EncodedPacket,
} from 'mediabunny';
import * as NodeAv from 'node-av';
import { CODEC_TO_CODEC_ID, fromAudioSampleFormat, getChannelLayout } from './misc';
import { CODEC_TO_CODEC_ID, getChannelLayout } from './misc';
import { assert, toUint8Array } from '../../../src/misc';
import { NodeAvFrameAudioSampleResource } from './audio-sample';
import { copyAudioSampleToAvFrame, AvFrameAudioSampleResource } from './audio-sample';
import {
AdtsHeaderTemplate,
buildAdtsHeaderTemplate,
@@ -133,26 +133,14 @@ export class NodeAvAudioEncoder extends CustomAudioEncoder {
this.firstExpectedTimestamp ??= audioSample.timestamp;
if (audioSample._data instanceof NodeAvFrameAudioSampleResource) {
if (audioSample._data instanceof AvFrameAudioSampleResource) {
this.frame.ref(audioSample._data.frame);
} else {
// Copy audio data from AudioData to FFmpeg Frame
const format = fromAudioSampleFormat(audioSample.format);
this.frame.format = format;
this.frame.nbSamples = audioSample.numberOfFrames;
this.frame.sampleRate = audioSample.sampleRate;
this.frame.channelLayout = getChannelLayout(audioSample.numberOfChannels);
this.frame.duration = BigInt(Math.round(audioSample.duration * this.config.sampleRate));
this.frame.allocBuffer();
assert(this.frame.data);
for (let i = 0; i < this.frame.data.length; i++) {
audioSample.copyTo(this.frame.data[i]!, { planeIndex: i });
}
copyAudioSampleToAvFrame(audioSample, this.frame);
}
this.frame.pts = BigInt(Math.round(audioSample.timestamp * this.config.sampleRate));
this.frame.duration = BigInt(Math.round(audioSample.duration * this.config.sampleRate));
this.frame.timeBase = new NodeAv.Rational(1, this.config.sampleRate);
const key = `${this.frame.sampleRate}:${this.frame.channels}:${this.frame.format}`;