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opus is slow

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rustdesk 2022-02-06 03:13:41 +08:00
parent 03e433789e
commit 38a468a5cc
7 changed files with 5580 additions and 53 deletions
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16
favicon.svg
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@ -1,15 +1 @@
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3
index.html
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@ -2,9 +2,10 @@
<html lang="en">
<head>
<meta charset="UTF-8" />
<link rel="icon" type="image/svg+xml" href="favicon.svg" />
<link rel="icon" type="image/svg+xml" href="favicon.svg?v2" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<script src="ogvjs-1.8.6/ogv.js"></script>
<script src="libopus.js"></script>
<script src="./yuv-canvas-1.2.6.js"></script>
<title>Vite App</title>
</head>

5555
libopus.js Normal file
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libopus.wasm Executable file
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14
src/codec.js
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@ -40,18 +40,4 @@ export async function loadVp9(callback) {
},
{ worker: true, threading: true }
);
}
export function loadOpus(callback, channels, rate) {
window.OGVLoader.loadClass(
"OGVDecoderAudioOpusW",
(audioCodecClass) => {
audioCodecClass({ audioFormat: { channels, rate } }).then((decoder) => {
decoder.init(() => {
callback(decoder);
})
})
},
{ worker: true }
);
}

21
src/connection.ts
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@ -1,7 +1,7 @@
import Websock from "./websock";
import * as message from "./message.js";
import * as rendezvous from "./rendezvous.js";
import { loadVp9, loadOpus } from "./codec";
import { loadVp9 } from "./codec";
import * as sha256 from "fast-sha256";
import * as globals from "./globals";
import { decompress, mapKey, sleep } from "./common";
@ -24,8 +24,6 @@ export default class Connection {
_peerInfo: message.PeerInfo | undefined;
_firstFrame: Boolean | undefined;
_videoDecoder: any;
_audioDecoder: any;
_audioPlayer: any;
_password: Uint8Array | undefined;
_options: any;
_videoTestSpeed: number[];
@ -242,13 +240,7 @@ export default class Connection {
} else if (msg?.misc) {
this.handleMisc(msg?.misc);
} else if (msg?.audio_frame) {
const dec = this._audioDecoder;
dec.processAudio(msg?.audio_frame.data.slice(0).buffer, (res: any) => {
// ogv.js bug here, audioBuffer always empty
// and ogv.js vpx version is very old (2015), to-do: discard ogv
// let samples = dec.audioBuffer;
// console.log(res, dec);
});
globals.playAudio(msg?.audio_frame.data);
}
}
}
@ -428,9 +420,7 @@ export default class Connection {
handleMisc(misc: message.Misc) {
if (misc.audio_format) {
this._audioDecoder?.destroy();
// this._audioPlayer = globals.newAudioPlayer(misc.audio_format.channels, misc.audio_format.sample_rate);
this.loadAudioDecoder(misc.audio_format.channels, misc.audio_format.sample_rate);
globals.initAudio(misc.audio_format.channels, misc.audio_format.sample_rate);
} else if (misc.chat_message) {
globals.pushEvent("chat", misc.chat_message.text);
} else if (misc.permission_info) {
@ -656,11 +646,6 @@ export default class Connection {
}
loadAudioDecoder(channels: number, sample_rate: number) {
this._audioDecoder?.close();
loadOpus((decoder: any) => {
this._audioDecoder = decoder;
console.log("opus loaded");
}, channels, sample_rate);
}
}

24
src/globals.js
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@ -1,7 +1,7 @@
import Connection from "./connection";
import _sodium from "libsodium-wrappers";
import { CursorData } from "./message";
import { loadOpus, loadVp9 } from "./codec";
import { loadVp9 } from "./codec";
import { checkIfRetry, version } from "./gen_js_from_hbb";
import { initZstd, translate } from "./common";
import PCMPlayer from "pcm-player";
@ -285,12 +285,27 @@ function _getByName(name, arg) {
return '';
}
let opusWorker;
let pcmPlayer;
export function initAudio(channels, sampleRate) {
pcmPlayer = newAudioPlayer(channels, sampleRate);
opusWorker.postMessage({ channels, sampleRate });
}
export function playAudio(packet) {
opusWorker.postMessage(packet);
}
window.init = async () => {
yuvWorker = new Worker("./yuv.js");
opusWorker = new Worker("./libopus.js");
yuvWorker.onmessage = (e) => {
currentFrame = e.data;
}
loadOpus(() => { });
opusWorker.onmessage = (e) => {
pcmPlayer.feed(e.data);
}
loadVp9(() => { });
await initZstd();
}
@ -303,11 +318,10 @@ export function getPeers() {
}
}
export function newAudioPlayer(channels, sampleRate) {
function newAudioPlayer(channels, sampleRate) {
return new PCMPlayer({
encoding: '16bitInt',
channels,
sampleRate,
flushingTime: 2000
});
}
}