arcodange/mediabunny
1
0
Fork 0
mirror of https://github.com/arcodange-org/mediabunny.git synced 2026-10-01 12:53:49 +02:00
Code Issues Packages Projects Releases Wiki Activity

Fix some bugs & polish edge cases

Browse Source
This commit is contained in:
Vanilagy
2026-05-11 23:50:06 +02:00
parent d8c8606341
commit 81531cc510
8 changed files with 92 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files
packages/server/src/audio-decoder.ts
+6 -5
View File
@@ -1,7 +1,7 @@
import { AudioCodec, AudioSample, CustomAudioDecoder, EncodedPacket, MaybePromise } from 'mediabunny';
import * as NodeAv from 'node-av';
import { CODEC_TO_CODEC_ID, getChannelLayout } from './misc';
import { assert, roundToDivisor, toUint8Array } from '../../../src/misc';
import { assert, toUint8Array } from '../../../src/misc';
import { NodeAvFrameAudioSampleResource } from './audio-sample';
export class NodeAvAudioDecoder extends CustomAudioDecoder {
@@ -39,6 +39,7 @@ export class NodeAvAudioDecoder extends CustomAudioDecoder {
codecContext.sampleRate = this.config.sampleRate;
codecContext.channelLayout = getChannelLayout(this.config.numberOfChannels);
codecContext.timeBase = new NodeAv.Rational(1, this.config.sampleRate);
codecContext.codecType = NodeAv.AVMEDIA_TYPE_AUDIO;
codecContext.codecId = codecId;
codecContext.extraData = this.config.description
@@ -54,10 +55,10 @@ export class NodeAvAudioDecoder extends CustomAudioDecoder {
async decode(packet: EncodedPacket): Promise<void> {
this.packet.isKeyframe = packet.type === 'key';
this.packet.data = Buffer.from(packet.data);
this.packet.timeBase = { num: 1, den: 1e6 };
this.packet.pts = BigInt(packet.microsecondTimestamp);
this.packet.timeBase = { num: 1, den: this.config.sampleRate };
this.packet.pts = BigInt(Math.round(packet.timestamp * this.config.sampleRate));
this.packet.dts = NodeAv.AV_NOPTS_VALUE;
this.packet.duration = BigInt(packet.microsecondDuration);
this.packet.duration = BigInt(Math.round(packet.duration * this.config.sampleRate));
const ret = await this.codecContext.sendPacket(this.packet);
NodeAv.FFmpegError.throwIfError(ret, 'Send packet');
@@ -75,7 +76,7 @@ export class NodeAvAudioDecoder extends CustomAudioDecoder {
receiveFrame(ret: number) {
NodeAv.FFmpegError.throwIfError(ret, 'Receive frame');
const timestamp = roundToDivisor(Number(this.frame.pts) / 1e6, this.config.sampleRate);
const timestamp = Number(this.frame.pts) / this.config.sampleRate;
this.onSample(new AudioSample(new NodeAvFrameAudioSampleResource(this.frame, timestamp)));
}