mirror of
https://github.com/arcodange-org/mediabunny.git
synced 2026-10-09 00:33:46 +02:00
Add file compression example
This commit is contained in:
Vanilagy
+128
-133
@@ -16,7 +16,7 @@ import {
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VideoCodec,
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} from './codec';
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import { OutputAudioTrack, OutputSubtitleTrack, OutputTrack, OutputVideoTrack } from './output';
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import { assert, CallSerializer, clamp, promiseWithResolvers, setInt24, setUint24 } from './misc';
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import { assert, CallSerializer, clamp, setInt24, setUint24 } from './misc';
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import { Muxer } from './muxer';
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import { SubtitleParser } from './subtitles';
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import { toAlaw, toUlaw } from './pcm';
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@@ -345,85 +345,82 @@ class VideoEncoderWrapper {
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return;
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}
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const { promise, resolve } = promiseWithResolvers();
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this.ensureEncoderPromise = promise;
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return this.ensureEncoderPromise = (async () => {
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const width = videoSample.codedWidth;
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const height = videoSample.codedHeight;
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const bitrate = this.encodingConfig.bitrate instanceof Quality
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? this.encodingConfig.bitrate._toVideoBitrate(this.encodingConfig.codec, width, height)
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: this.encodingConfig.bitrate;
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const width = videoSample.codedWidth;
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const height = videoSample.codedHeight;
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const bitrate = this.encodingConfig.bitrate instanceof Quality
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? this.encodingConfig.bitrate._toVideoBitrate(this.encodingConfig.codec, width, height)
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: this.encodingConfig.bitrate;
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const encoderConfig: VideoEncoderConfig = {
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codec: this.encodingConfig.fullCodecString ?? buildVideoCodecString(
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this.encodingConfig.codec,
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const encoderConfig: VideoEncoderConfig = {
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codec: this.encodingConfig.fullCodecString ?? buildVideoCodecString(
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this.encodingConfig.codec,
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width,
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height,
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bitrate,
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),
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width,
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height,
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bitrate,
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),
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width,
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height,
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bitrate,
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framerate: this.source._connectedTrack?.metadata.frameRate,
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latencyMode: this.encodingConfig.latencyMode,
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...getVideoEncoderConfigExtension(this.encodingConfig.codec),
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};
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this.encodingConfig.onEncoderConfig?.(encoderConfig);
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const MatchingCustomEncoder = customVideoEncoders.find(x => x.supports(
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this.encodingConfig.codec,
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encoderConfig,
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));
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if (MatchingCustomEncoder) {
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// @ts-expect-error "Can't create instance of abstract class 🤓"
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this.customEncoder = new MatchingCustomEncoder() as CustomVideoEncoder;
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this.customEncoder.codec = this.encodingConfig.codec;
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this.customEncoder.config = encoderConfig;
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this.customEncoder.onPacket = (packet, meta) => {
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if (!(packet instanceof EncodedPacket)) {
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throw new TypeError('The first argument passed to onPacket must be an EncodedPacket.');
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}
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if (meta !== undefined && (!meta || typeof meta !== 'object')) {
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throw new TypeError('The second argument passed to onPacket must be an object or undefined.');
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}
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this.encodingConfig.onEncodedPacket?.(packet, meta);
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void this.muxer!.addEncodedVideoPacket(this.source._connectedTrack!, packet, meta);
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framerate: this.source._connectedTrack?.metadata.frameRate,
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latencyMode: this.encodingConfig.latencyMode,
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...getVideoEncoderConfigExtension(this.encodingConfig.codec),
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};
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this.encodingConfig.onEncoderConfig?.(encoderConfig);
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await this.customEncoder.init();
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} else {
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if (typeof VideoEncoder === 'undefined') {
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throw new Error('VideoEncoder is not supported by this browser.');
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}
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const MatchingCustomEncoder = customVideoEncoders.find(x => x.supports(
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this.encodingConfig.codec,
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encoderConfig,
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));
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const support = await VideoEncoder.isConfigSupported(encoderConfig);
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if (!support.supported) {
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throw new Error(
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'This specific encoder configuration is not supported by this browser. Consider using another codec'
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+ ' or changing your video parameters.',
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);
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}
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this.encoder = new VideoEncoder({
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output: (chunk, meta) => {
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const packet = EncodedPacket.fromEncodedChunk(chunk);
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if (MatchingCustomEncoder) {
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// @ts-expect-error "Can't create instance of abstract class 🤓"
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this.customEncoder = new MatchingCustomEncoder() as CustomVideoEncoder;
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this.customEncoder.codec = this.encodingConfig.codec;
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this.customEncoder.config = encoderConfig;
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this.customEncoder.onPacket = (packet, meta) => {
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if (!(packet instanceof EncodedPacket)) {
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throw new TypeError('The first argument passed to onPacket must be an EncodedPacket.');
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}
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if (meta !== undefined && (!meta || typeof meta !== 'object')) {
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throw new TypeError('The second argument passed to onPacket must be an object or undefined.');
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}
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this.encodingConfig.onEncodedPacket?.(packet, meta);
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void this.muxer!.addEncodedVideoPacket(this.source._connectedTrack!, packet, meta);
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},
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error: this.encodingConfig.onEncoderError ?? (error => console.error('VideoEncoder error:', error)),
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});
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this.encoder.configure(encoderConfig);
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}
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};
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assert(this.source._connectedTrack);
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this.muxer = this.source._connectedTrack.output._muxer;
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await this.customEncoder.init();
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} else {
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if (typeof VideoEncoder === 'undefined') {
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throw new Error('VideoEncoder is not supported by this browser.');
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}
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this.encoderInitialized = true;
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const support = await VideoEncoder.isConfigSupported(encoderConfig);
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if (!support.supported) {
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throw new Error(
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'This specific encoder configuration is not supported by this browser. Consider using another'
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+ ' codec or changing your video parameters.',
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);
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}
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resolve();
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this.encoder = new VideoEncoder({
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output: (chunk, meta) => {
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const packet = EncodedPacket.fromEncodedChunk(chunk);
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this.encodingConfig.onEncodedPacket?.(packet, meta);
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void this.muxer!.addEncodedVideoPacket(this.source._connectedTrack!, packet, meta);
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},
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error: this.encodingConfig.onEncoderError ?? (error => console.error('VideoEncoder error:', error)),
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});
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this.encoder.configure(encoderConfig);
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}
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assert(this.source._connectedTrack);
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this.muxer = this.source._connectedTrack.output._muxer;
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this.encoderInitialized = true;
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})();
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}
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async flushAndClose() {
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@@ -891,87 +888,85 @@ class AudioEncoderWrapper {
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}
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}
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private async ensureEncoder(audioSample: AudioSample) {
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private ensureEncoder(audioSample: AudioSample) {
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if (this.encoderInitialized) {
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return;
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}
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const { promise, resolve } = promiseWithResolvers();
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this.ensureEncoderPromise = promise;
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return this.ensureEncoderPromise = (async () => {
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const { numberOfChannels, sampleRate } = audioSample;
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const bitrate = this.encodingConfig.bitrate instanceof Quality
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? this.encodingConfig.bitrate._toAudioBitrate(this.encodingConfig.codec)
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: this.encodingConfig.bitrate;
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const { numberOfChannels, sampleRate } = audioSample;
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const bitrate = this.encodingConfig.bitrate instanceof Quality
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? this.encodingConfig.bitrate._toAudioBitrate(this.encodingConfig.codec)
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: this.encodingConfig.bitrate;
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const encoderConfig: AudioEncoderConfig = {
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codec: this.encodingConfig.fullCodecString ?? buildAudioCodecString(
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this.encodingConfig.codec,
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const encoderConfig: AudioEncoderConfig = {
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codec: this.encodingConfig.fullCodecString ?? buildAudioCodecString(
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this.encodingConfig.codec,
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numberOfChannels,
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sampleRate,
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),
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numberOfChannels,
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sampleRate,
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),
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numberOfChannels,
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sampleRate,
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bitrate,
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...getAudioEncoderConfigExtension(this.encodingConfig.codec),
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};
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this.encodingConfig.onEncoderConfig?.(encoderConfig);
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const MatchingCustomEncoder = customAudioEncoders.find(x => x.supports(
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this.encodingConfig.codec,
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encoderConfig,
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));
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if (MatchingCustomEncoder) {
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// @ts-expect-error "Can't create instance of abstract class 🤓"
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this.customEncoder = new MatchingCustomEncoder() as CustomAudioEncoder;
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this.customEncoder.codec = this.encodingConfig.codec;
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this.customEncoder.config = encoderConfig;
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this.customEncoder.onPacket = (packet, meta) => {
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if (!(packet instanceof EncodedPacket)) {
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throw new TypeError('The first argument passed to onPacket must be an EncodedPacket.');
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}
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if (meta !== undefined && (!meta || typeof meta !== 'object')) {
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throw new TypeError('The second argument passed to onPacket must be an object or undefined.');
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}
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this.encodingConfig.onEncodedPacket?.(packet, meta);
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void this.muxer!.addEncodedAudioPacket(this.source._connectedTrack!, packet, meta);
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bitrate,
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...getAudioEncoderConfigExtension(this.encodingConfig.codec),
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};
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this.encodingConfig.onEncoderConfig?.(encoderConfig);
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await this.customEncoder.init();
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} else if ((PCM_AUDIO_CODECS as readonly string[]).includes(this.encodingConfig.codec)) {
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this.initPcmEncoder();
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} else {
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if (typeof AudioEncoder === 'undefined') {
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throw new Error('AudioEncoder is not supported by this browser.');
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}
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const MatchingCustomEncoder = customAudioEncoders.find(x => x.supports(
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this.encodingConfig.codec,
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encoderConfig,
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));
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const support = await AudioEncoder.isConfigSupported(encoderConfig);
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if (!support.supported) {
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throw new Error(
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'This specific encoder configuration not supported by this browser. Consider using another codec or'
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+ ' changing your audio parameters.',
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);
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}
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this.encoder = new AudioEncoder({
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output: (chunk, meta) => {
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const packet = EncodedPacket.fromEncodedChunk(chunk);
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if (MatchingCustomEncoder) {
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// @ts-expect-error "Can't create instance of abstract class 🤓"
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this.customEncoder = new MatchingCustomEncoder() as CustomAudioEncoder;
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this.customEncoder.codec = this.encodingConfig.codec;
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this.customEncoder.config = encoderConfig;
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this.customEncoder.onPacket = (packet, meta) => {
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if (!(packet instanceof EncodedPacket)) {
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throw new TypeError('The first argument passed to onPacket must be an EncodedPacket.');
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}
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if (meta !== undefined && (!meta || typeof meta !== 'object')) {
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throw new TypeError('The second argument passed to onPacket must be an object or undefined.');
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}
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this.encodingConfig.onEncodedPacket?.(packet, meta);
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void this.muxer!.addEncodedAudioPacket(this.source._connectedTrack!, packet, meta);
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},
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error: this.encodingConfig.onEncoderError ?? (error => console.error('AudioEncoder error:', error)),
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});
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this.encoder.configure(encoderConfig);
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}
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};
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assert(this.source._connectedTrack);
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this.muxer = this.source._connectedTrack.output._muxer;
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await this.customEncoder.init();
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} else if ((PCM_AUDIO_CODECS as readonly string[]).includes(this.encodingConfig.codec)) {
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this.initPcmEncoder();
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} else {
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if (typeof AudioEncoder === 'undefined') {
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throw new Error('AudioEncoder is not supported by this browser.');
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}
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this.encoderInitialized = true;
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resolve();
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const support = await AudioEncoder.isConfigSupported(encoderConfig);
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if (!support.supported) {
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throw new Error(
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'This specific encoder configuration not supported by this browser. Consider using another'
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+ ' codec or changing your audio parameters.',
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);
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}
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this.encoder = new AudioEncoder({
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output: (chunk, meta) => {
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const packet = EncodedPacket.fromEncodedChunk(chunk);
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this.encodingConfig.onEncodedPacket?.(packet, meta);
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void this.muxer!.addEncodedAudioPacket(this.source._connectedTrack!, packet, meta);
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},
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error: this.encodingConfig.onEncoderError ?? (error => console.error('AudioEncoder error:', error)),
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});
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this.encoder.configure(encoderConfig);
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}
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assert(this.source._connectedTrack);
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this.muxer = this.source._connectedTrack.output._muxer;
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this.encoderInitialized = true;
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})();
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}
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private initPcmEncoder() {
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