mirror of
https://github.com/radio95-rnt/RadioPlayer.git
synced 2026-07-29 15:29:14 +02:00
use reader.js
This commit is contained in:
+15
-4
@@ -5,6 +5,17 @@ import threading, uuid, time
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import asyncio
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import websockets
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from websockets import ServerConnection, Request, Response, Headers
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import mimetypes
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def get_content_type(filename: str) -> str:
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# Fallback to Python's mimetypes
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mime_type, _ = mimetypes.guess_type(filename)
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if mime_type:
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return mime_type
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# Final fallback
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return "application/octet-stream"
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from modules import InterModuleCommunication
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@@ -113,20 +124,20 @@ def websocket_server_process(shared_data: dict, imc_q: multiprocessing.Queue, ws
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await websocket.close(1001, "")
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clients.discard(websocket)
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async def process_request(websocket: ServerConnection, request: Request):
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if request.path == "/" and (file := Path(__file__, "..", "web.html").resolve()).exists():
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if request.path == "/" and (file := Path(__file__, "..", "index.html").resolve()).exists():
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data = file.read_bytes()
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return Response(
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200,
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"OK",
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Headers([("Content-Type", "text/html"), ("Content-Length", f"{len(data)}")]),
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Headers([("Content-Type", "text/html; charset=utf-8"), ("Content-Length", f"{len(data)}")]),
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data
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)
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if request.path == "/web.js" and (file := Path(__file__, "..", "web.js").resolve()).exists():
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if (file := Path(__file__, "..", request.path.removeprefix("/").strip()).resolve()).exists():
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data = file.read_bytes()
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return Response(
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200,
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"OK",
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Headers([("Content-Type", "text/javascript"), ("Content-Length", f"{len(data)}")]),
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Headers([("Content-Type", get_content_type(file.name)), ("Content-Length", f"{len(data)}")]),
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data
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)
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if request.path == "/ws":
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@@ -168,6 +168,7 @@
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#section-playlist, #section-queue { flex: 1 1 auto; }
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}
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</style>
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<script defer src="./reader.js"></script>
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</head>
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<body>
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<div class="container">
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@@ -0,0 +1,588 @@
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'use strict';
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/**
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* @callback OnError
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* @param {string} err - error.
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*/
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/**
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* @callback OnTrack
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* @param {RTCTrackEvent} evt - track event.
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*/
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/**
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* @callback OnDataChannel
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* @param {RTCDataChannelEvent} evt - data channel event.
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*/
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/**
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* @typedef Conf
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* @type {object}
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* @property {string} url - absolute URL of the WHEP endpoint.
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* @property {string} user - username.
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* @property {string} pass - password.
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* @property {string} token - token.
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* @property {OnError} onError - called when there's an error.
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* @property {OnTrack} onTrack - called when there's a track available.
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* @property {OnDataChannel} onDataChannel - called when there's a data channel available.
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*/
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/** WebRTC/WHEP reader. */
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class MediaMTXWebRTCReader {
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/**
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* Create a MediaMTXWebRTCReader.
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* @param {Conf} conf - configuration.
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*/
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constructor(conf) {
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this.retryPause = 2000;
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this.conf = conf;
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this.state = 'getting_codecs';
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this.restartTimeout = null;
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this.pc = null;
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this.offerData = null;
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this.sessionUrl = null;
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this.queuedCandidates = [];
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this.#getNonAdvertisedCodecs();
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}
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/**
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* Close the reader and all its resources.
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*/
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close() {
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this.state = 'closed';
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if (this.pc !== null) {
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this.pc.close();
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}
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if (this.restartTimeout !== null) {
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clearTimeout(this.restartTimeout);
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}
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}
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static #supportsNonAdvertisedCodec(codec, fmtp) {
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return new Promise((resolve) => {
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const pc = new RTCPeerConnection({ iceServers: [] });
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const mediaType = 'audio';
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let payloadType = '';
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pc.addTransceiver(mediaType, { direction: 'recvonly' });
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pc.createOffer()
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.then((offer) => {
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if (offer.sdp === undefined) {
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throw new Error('SDP not present');
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}
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if (offer.sdp.includes(` ${codec}`)) { // codec is advertised, there's no need to add it manually
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throw new Error('already present');
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}
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const sections = offer.sdp.split(`m=${mediaType}`);
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const payloadTypes = sections.slice(1)
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.map((s) => s.split('\r\n')[0].split(' ').slice(3))
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.reduce((prev, cur) => [...prev, ...cur], []);
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payloadType = this.#reservePayloadType(payloadTypes);
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const lines = sections[1].split('\r\n');
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lines[0] += ` ${payloadType}`;
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lines.splice(lines.length - 1, 0, `a=rtpmap:${payloadType} ${codec}`);
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if (fmtp !== undefined) {
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lines.splice(lines.length - 1, 0, `a=fmtp:${payloadType} ${fmtp}`);
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}
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sections[1] = lines.join('\r\n');
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offer.sdp = sections.join(`m=${mediaType}`);
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return pc.setLocalDescription(offer);
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})
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.then(() => (
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pc.setRemoteDescription(new RTCSessionDescription({
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type: 'answer',
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sdp: 'v=0\r\n'
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+ 'o=- 6539324223450680508 0 IN IP4 0.0.0.0\r\n'
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+ 's=-\r\n'
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+ 't=0 0\r\n'
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+ 'a=fingerprint:sha-256 0D:9F:78:15:42:B5:4B:E6:E2:94:3E:5B:37:78:E1:4B:54:59:A3:36:3A:E5:05:EB:27:EE:8F:D2:2D:41:29:25\r\n'
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+ `m=${mediaType} 9 UDP/TLS/RTP/SAVPF ${payloadType}\r\n`
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+ 'c=IN IP4 0.0.0.0\r\n'
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+ 'a=ice-pwd:7c3bf4770007e7432ee4ea4d697db675\r\n'
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+ 'a=ice-ufrag:29e036dc\r\n'
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+ 'a=sendonly\r\n'
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+ 'a=rtcp-mux\r\n'
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+ `a=rtpmap:${payloadType} ${codec}\r\n`
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+ ((fmtp !== undefined) ? `a=fmtp:${payloadType} ${fmtp}\r\n` : ''),
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}))
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))
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.then(() => {
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resolve(true);
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})
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.catch(() => {
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resolve(false);
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})
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.finally(() => {
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pc.close();
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});
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});
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}
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static #unquoteCredential(v) {
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return JSON.parse(`"${v}"`);
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}
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static #linkToIceServers(links) {
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return (links !== null) ? links.split(', ').map((link) => {
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const m = link.match(/^<(.+?)>; rel="ice-server"(; username="(.*?)"; credential="(.*?)"; credential-type="password")?/i);
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const ret = {
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urls: [m[1]],
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};
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if (m[3] !== undefined) {
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ret.username = this.#unquoteCredential(m[3]);
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ret.credential = this.#unquoteCredential(m[4]);
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ret.credentialType = 'password';
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}
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return ret;
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}) : [];
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}
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static #parseOffer(sdp) {
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const ret = {
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iceUfrag: '',
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icePwd: '',
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medias: [],
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};
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for (const line of sdp.split('\r\n')) {
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if (line.startsWith('m=')) {
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ret.medias.push(line.slice('m='.length));
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} else if (ret.iceUfrag === '' && line.startsWith('a=ice-ufrag:')) {
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ret.iceUfrag = line.slice('a=ice-ufrag:'.length);
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} else if (ret.icePwd === '' && line.startsWith('a=ice-pwd:')) {
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ret.icePwd = line.slice('a=ice-pwd:'.length);
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}
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}
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return ret;
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}
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static #reservePayloadType(payloadTypes) {
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// everything is valid between 30 and 127, except for interval between 64 and 95
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// https://chromium.googlesource.com/external/webrtc/+/refs/heads/master/call/payload_type.h#29
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for (let i = 30; i <= 127; i++) {
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if ((i <= 63 || i >= 96) && !payloadTypes.includes(i.toString())) {
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const pl = i.toString();
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payloadTypes.push(pl);
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return pl;
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}
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}
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throw Error('unable to find a free payload type');
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}
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static #enableStereoPcmau(payloadTypes, section) {
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const lines = section.split('\r\n');
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let payloadType = this.#reservePayloadType(payloadTypes);
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lines[0] += ` ${payloadType}`;
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lines.splice(lines.length - 1, 0, `a=rtpmap:${payloadType} PCMU/8000/2`);
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lines.splice(lines.length - 1, 0, `a=rtcp-fb:${payloadType} transport-cc`);
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payloadType = this.#reservePayloadType(payloadTypes);
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lines[0] += ` ${payloadType}`;
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lines.splice(lines.length - 1, 0, `a=rtpmap:${payloadType} PCMA/8000/2`);
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lines.splice(lines.length - 1, 0, `a=rtcp-fb:${payloadType} transport-cc`);
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return lines.join('\r\n');
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}
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static #enableMultichannelOpus(payloadTypes, section) {
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const lines = section.split('\r\n');
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let payloadType = this.#reservePayloadType(payloadTypes);
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lines[0] += ` ${payloadType}`;
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lines.splice(lines.length - 1, 0, `a=rtpmap:${payloadType} multiopus/48000/3`);
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lines.splice(lines.length - 1, 0, `a=fmtp:${payloadType} channel_mapping=0,2,1;num_streams=2;coupled_streams=1`);
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lines.splice(lines.length - 1, 0, `a=rtcp-fb:${payloadType} transport-cc`);
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payloadType = this.#reservePayloadType(payloadTypes);
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lines[0] += ` ${payloadType}`;
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lines.splice(lines.length - 1, 0, `a=rtpmap:${payloadType} multiopus/48000/4`);
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lines.splice(lines.length - 1, 0, `a=fmtp:${payloadType} channel_mapping=0,1,2,3;num_streams=2;coupled_streams=2`);
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lines.splice(lines.length - 1, 0, `a=rtcp-fb:${payloadType} transport-cc`);
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payloadType = this.#reservePayloadType(payloadTypes);
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lines[0] += ` ${payloadType}`;
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lines.splice(lines.length - 1, 0, `a=rtpmap:${payloadType} multiopus/48000/5`);
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lines.splice(lines.length - 1, 0, `a=fmtp:${payloadType} channel_mapping=0,4,1,2,3;num_streams=3;coupled_streams=2`);
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lines.splice(lines.length - 1, 0, `a=rtcp-fb:${payloadType} transport-cc`);
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payloadType = this.#reservePayloadType(payloadTypes);
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lines[0] += ` ${payloadType}`;
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lines.splice(lines.length - 1, 0, `a=rtpmap:${payloadType} multiopus/48000/6`);
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lines.splice(lines.length - 1, 0, `a=fmtp:${payloadType} channel_mapping=0,4,1,2,3,5;num_streams=4;coupled_streams=2`);
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lines.splice(lines.length - 1, 0, `a=rtcp-fb:${payloadType} transport-cc`);
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payloadType = this.#reservePayloadType(payloadTypes);
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lines[0] += ` ${payloadType}`;
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lines.splice(lines.length - 1, 0, `a=rtpmap:${payloadType} multiopus/48000/7`);
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lines.splice(lines.length - 1, 0, `a=fmtp:${payloadType} channel_mapping=0,4,1,2,3,5,6;num_streams=4;coupled_streams=4`);
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lines.splice(lines.length - 1, 0, `a=rtcp-fb:${payloadType} transport-cc`);
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payloadType = this.#reservePayloadType(payloadTypes);
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lines[0] += ` ${payloadType}`;
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lines.splice(lines.length - 1, 0, `a=rtpmap:${payloadType} multiopus/48000/8`);
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lines.splice(lines.length - 1, 0, `a=fmtp:${payloadType} channel_mapping=0,6,1,4,5,2,3,7;num_streams=5;coupled_streams=4`);
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lines.splice(lines.length - 1, 0, `a=rtcp-fb:${payloadType} transport-cc`);
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return lines.join('\r\n');
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}
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static #enableL16(payloadTypes, section) {
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const lines = section.split('\r\n');
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let payloadType = this.#reservePayloadType(payloadTypes);
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lines[0] += ` ${payloadType}`;
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lines.splice(lines.length - 1, 0, `a=rtpmap:${payloadType} L16/8000/2`);
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lines.splice(lines.length - 1, 0, `a=rtcp-fb:${payloadType} transport-cc`);
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payloadType = this.#reservePayloadType(payloadTypes);
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lines[0] += ` ${payloadType}`;
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lines.splice(lines.length - 1, 0, `a=rtpmap:${payloadType} L16/16000/2`);
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lines.splice(lines.length - 1, 0, `a=rtcp-fb:${payloadType} transport-cc`);
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payloadType = this.#reservePayloadType(payloadTypes);
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lines[0] += ` ${payloadType}`;
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lines.splice(lines.length - 1, 0, `a=rtpmap:${payloadType} L16/48000/2`);
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lines.splice(lines.length - 1, 0, `a=rtcp-fb:${payloadType} transport-cc`);
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return lines.join('\r\n');
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}
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static #enableStereoOpus(section) {
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let opusPayloadFormat = '';
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const lines = section.split('\r\n');
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|
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for (let i = 0; i < lines.length; i++) {
|
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if (lines[i].startsWith('a=rtpmap:') && lines[i].toLowerCase().includes('opus/')) {
|
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opusPayloadFormat = lines[i].slice('a=rtpmap:'.length).split(' ')[0];
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break;
|
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}
|
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}
|
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|
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if (opusPayloadFormat === '') {
|
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return section;
|
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}
|
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|
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for (let i = 0; i < lines.length; i++) {
|
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if (lines[i].startsWith(`a=fmtp:${opusPayloadFormat} `)) {
|
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if (!lines[i].includes('stereo')) {
|
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lines[i] += ';stereo=1';
|
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}
|
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if (!lines[i].includes('sprop-stereo')) {
|
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lines[i] += ';sprop-stereo=1';
|
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}
|
||||
}
|
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}
|
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|
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return lines.join('\r\n');
|
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}
|
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|
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static #editOffer(sdp, nonAdvertisedCodecs) {
|
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const sections = sdp.split('m=');
|
||||
|
||||
const payloadTypes = sections.slice(1)
|
||||
.map((s) => s.split('\r\n')[0].split(' ').slice(3))
|
||||
.reduce((prev, cur) => [...prev, ...cur], []);
|
||||
|
||||
for (let i = 1; i < sections.length; i++) {
|
||||
if (sections[i].startsWith('audio')) {
|
||||
sections[i] = this.#enableStereoOpus(sections[i]);
|
||||
|
||||
if (nonAdvertisedCodecs.includes('pcma/8000/2')) {
|
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sections[i] = this.#enableStereoPcmau(payloadTypes, sections[i]);
|
||||
}
|
||||
if (nonAdvertisedCodecs.includes('multiopus/48000/6')) {
|
||||
sections[i] = this.#enableMultichannelOpus(payloadTypes, sections[i]);
|
||||
}
|
||||
if (nonAdvertisedCodecs.includes('L16/48000/2')) {
|
||||
sections[i] = this.#enableL16(payloadTypes, sections[i]);
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return sections.join('m=');
|
||||
}
|
||||
|
||||
static #generateSdpFragment(od, candidates) {
|
||||
const candidatesByMedia = {};
|
||||
for (const candidate of candidates) {
|
||||
const mid = candidate.sdpMLineIndex;
|
||||
if (candidatesByMedia[mid] === undefined) {
|
||||
candidatesByMedia[mid] = [];
|
||||
}
|
||||
candidatesByMedia[mid].push(candidate);
|
||||
}
|
||||
|
||||
let frag = `a=ice-ufrag:${od.iceUfrag}\r\n`
|
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+ `a=ice-pwd:${od.icePwd}\r\n`;
|
||||
|
||||
let mid = 0;
|
||||
|
||||
for (const media of od.medias) {
|
||||
if (candidatesByMedia[mid] !== undefined) {
|
||||
frag += `m=${media}\r\n`
|
||||
+ `a=mid:${mid}\r\n`;
|
||||
|
||||
for (const candidate of candidatesByMedia[mid]) {
|
||||
frag += `a=${candidate.candidate}\r\n`;
|
||||
}
|
||||
}
|
||||
mid++;
|
||||
}
|
||||
|
||||
return frag;
|
||||
}
|
||||
|
||||
#handleError(err) {
|
||||
if (this.state === 'running') {
|
||||
if (this.pc !== null) {
|
||||
this.pc.close();
|
||||
this.pc = null;
|
||||
}
|
||||
|
||||
this.offerData = null;
|
||||
|
||||
if (this.sessionUrl !== null) {
|
||||
fetch(this.sessionUrl, {
|
||||
method: 'DELETE',
|
||||
});
|
||||
this.sessionUrl = null;
|
||||
}
|
||||
|
||||
this.queuedCandidates = [];
|
||||
this.state = 'restarting';
|
||||
|
||||
this.restartTimeout = window.setTimeout(() => {
|
||||
this.restartTimeout = null;
|
||||
this.state = 'running';
|
||||
this.#start();
|
||||
}, this.retryPause);
|
||||
|
||||
if (this.conf.onError !== undefined) {
|
||||
this.conf.onError(`${err}, retrying in some seconds`);
|
||||
}
|
||||
} else if (this.state === 'getting_codecs') {
|
||||
this.state = 'failed';
|
||||
|
||||
if (this.conf.onError !== undefined) {
|
||||
this.conf.onError(err);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#getNonAdvertisedCodecs() {
|
||||
Promise.all([
|
||||
['pcma/8000/2'],
|
||||
['multiopus/48000/6', 'channel_mapping=0,4,1,2,3,5;num_streams=4;coupled_streams=2'],
|
||||
['L16/48000/2'],
|
||||
]
|
||||
.map((c) => MediaMTXWebRTCReader.#supportsNonAdvertisedCodec(c[0], c[1]).then((r) => ((r) ? c[0] : false))))
|
||||
.then((c) => c.filter((e) => e !== false))
|
||||
.then((codecs) => {
|
||||
if (this.state !== 'getting_codecs') {
|
||||
throw new Error('closed');
|
||||
}
|
||||
|
||||
this.nonAdvertisedCodecs = codecs;
|
||||
this.state = 'running';
|
||||
this.#start();
|
||||
})
|
||||
.catch((err) => {
|
||||
this.#handleError(err);
|
||||
});
|
||||
}
|
||||
|
||||
#start() {
|
||||
this.#requestICEServers()
|
||||
.then((iceServers) => this.#setupPeerConnection(iceServers))
|
||||
.then((offer) => this.#sendOffer(offer))
|
||||
.then((answer) => this.#setAnswer(answer))
|
||||
.catch((err) => {
|
||||
this.#handleError(err.toString());
|
||||
});
|
||||
}
|
||||
|
||||
#authHeader() {
|
||||
if (this.conf.user !== undefined && this.conf.user !== '') {
|
||||
const credentials = btoa(`${this.conf.user}:${this.conf.pass}`);
|
||||
return {'Authorization': `Basic ${credentials}`};
|
||||
}
|
||||
if (this.conf.token !== undefined && this.conf.token !== '') {
|
||||
return {'Authorization': `Bearer ${this.conf.token}`};
|
||||
}
|
||||
return {};
|
||||
}
|
||||
|
||||
#requestICEServers() {
|
||||
return fetch(this.conf.url, {
|
||||
method: 'OPTIONS',
|
||||
headers: {
|
||||
...this.#authHeader(),
|
||||
},
|
||||
})
|
||||
.then((res) => MediaMTXWebRTCReader.#linkToIceServers(res.headers.get('Link')));
|
||||
}
|
||||
|
||||
#setupPeerConnection(iceServers) {
|
||||
if (this.state !== 'running') {
|
||||
throw new Error('closed');
|
||||
}
|
||||
|
||||
this.pc = new RTCPeerConnection({
|
||||
iceServers,
|
||||
// https://webrtc.org/getting-started/unified-plan-transition-guide
|
||||
sdpSemantics: 'unified-plan',
|
||||
});
|
||||
|
||||
const direction = 'recvonly';
|
||||
this.pc.addTransceiver('video', { direction });
|
||||
this.pc.addTransceiver('audio', { direction });
|
||||
|
||||
// using data channels requires creating a data channel locally
|
||||
this.pc.createDataChannel('');
|
||||
|
||||
this.pc.onicecandidate = (evt) => this.#onLocalCandidate(evt);
|
||||
this.pc.onconnectionstatechange = () => this.#onConnectionState();
|
||||
this.pc.ontrack = (evt) => this.#onTrack(evt);
|
||||
this.pc.ondatachannel = (evt) => this.#onDataChannel(evt);
|
||||
|
||||
return this.pc.createOffer()
|
||||
.then((offer) => {
|
||||
offer.sdp = MediaMTXWebRTCReader.#editOffer(offer.sdp, this.nonAdvertisedCodecs);
|
||||
this.offerData = MediaMTXWebRTCReader.#parseOffer(offer.sdp);
|
||||
|
||||
return this.pc.setLocalDescription(offer)
|
||||
.then(() => offer.sdp);
|
||||
});
|
||||
}
|
||||
|
||||
#sendOffer(offer) {
|
||||
if (this.state !== 'running') {
|
||||
throw new Error('closed');
|
||||
}
|
||||
|
||||
return fetch(this.conf.url, {
|
||||
method: 'POST',
|
||||
headers: {
|
||||
...this.#authHeader(),
|
||||
'Content-Type': 'application/sdp',
|
||||
},
|
||||
body: offer,
|
||||
})
|
||||
.then((res) => {
|
||||
switch (res.status) {
|
||||
case 201:
|
||||
break;
|
||||
case 404:
|
||||
throw new Error('stream not found');
|
||||
case 400:
|
||||
return res.json().then((e) => { throw new Error(e.error); });
|
||||
default:
|
||||
throw new Error(`bad status code ${res.status}`);
|
||||
}
|
||||
|
||||
this.sessionUrl = new URL(res.headers.get('location'), this.conf.url).toString();
|
||||
|
||||
return res.text();
|
||||
});
|
||||
}
|
||||
|
||||
#setAnswer(answer) {
|
||||
if (this.state !== 'running') {
|
||||
throw new Error('closed');
|
||||
}
|
||||
|
||||
return this.pc.setRemoteDescription(new RTCSessionDescription({
|
||||
type: 'answer',
|
||||
sdp: answer,
|
||||
}))
|
||||
.then(() => {
|
||||
if (this.state !== 'running') {
|
||||
return;
|
||||
}
|
||||
|
||||
if (this.queuedCandidates.length !== 0) {
|
||||
this.#sendLocalCandidates(this.queuedCandidates);
|
||||
this.queuedCandidates = [];
|
||||
}
|
||||
});
|
||||
}
|
||||
|
||||
#onLocalCandidate(evt) {
|
||||
if (this.state !== 'running') {
|
||||
return;
|
||||
}
|
||||
|
||||
if (evt.candidate !== null) {
|
||||
if (this.sessionUrl === null) {
|
||||
this.queuedCandidates.push(evt.candidate);
|
||||
} else {
|
||||
this.#sendLocalCandidates([evt.candidate]);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#sendLocalCandidates(candidates) {
|
||||
fetch(this.sessionUrl, {
|
||||
method: 'PATCH',
|
||||
headers: {
|
||||
'Content-Type': 'application/trickle-ice-sdpfrag',
|
||||
'If-Match': '*',
|
||||
},
|
||||
body: MediaMTXWebRTCReader.#generateSdpFragment(this.offerData, candidates),
|
||||
})
|
||||
.then((res) => {
|
||||
switch (res.status) {
|
||||
case 204:
|
||||
break;
|
||||
case 404:
|
||||
throw new Error('stream not found');
|
||||
default:
|
||||
throw new Error(`bad status code ${res.status}`);
|
||||
}
|
||||
})
|
||||
.catch((err) => {
|
||||
this.#handleError(err.toString());
|
||||
});
|
||||
}
|
||||
|
||||
#onConnectionState() {
|
||||
if (this.state !== 'running') {
|
||||
return;
|
||||
}
|
||||
|
||||
// "closed" can arrive before "failed" and without
|
||||
// the close() method being called at all.
|
||||
// It happens when the other peer sends a termination
|
||||
// message like a DTLS CloseNotify.
|
||||
if (this.pc.connectionState === 'failed'
|
||||
|| this.pc.connectionState === 'closed'
|
||||
) {
|
||||
this.#handleError('peer connection closed');
|
||||
}
|
||||
}
|
||||
|
||||
#onTrack(evt) {
|
||||
if (this.conf.onTrack !== undefined) {
|
||||
this.conf.onTrack(evt);
|
||||
}
|
||||
}
|
||||
|
||||
#onDataChannel(evt) {
|
||||
if (this.conf.onDataChannel !== undefined) {
|
||||
this.conf.onDataChannel(evt);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
window.MediaMTXWebRTCReader = MediaMTXWebRTCReader;
|
||||
@@ -288,7 +288,7 @@ document.addEventListener("keydown", e => {
|
||||
else if (e.key.toLowerCase() === "j") ws.send(JSON.stringify({action:"jingle", top: e.shiftKey}));
|
||||
});
|
||||
|
||||
let whepPc = null;
|
||||
let whepReader = null;
|
||||
let whepAudio = null;
|
||||
let whepConnected = false;
|
||||
|
||||
@@ -323,14 +323,24 @@ function whepSetVol(v) {
|
||||
}
|
||||
|
||||
function whepToggle() {
|
||||
if (whepConnected || whepPc) { whepDisconnect(); return; }
|
||||
if (whepConnected) { whepDisconnect(); return; }
|
||||
whepConnect();
|
||||
}
|
||||
|
||||
function whepDisconnect() {
|
||||
whepConnected = false;
|
||||
if (whepPc) { try { whepPc.close(); } catch(e){} whepPc = null; }
|
||||
if (whepAudio) { whepAudio.pause(); whepAudio.srcObject = null; whepAudio = null; }
|
||||
|
||||
if (whepReader) {
|
||||
try { whepReader.stop(); } catch(e){}
|
||||
whepReader = null;
|
||||
}
|
||||
|
||||
if (whepAudio) {
|
||||
whepAudio.pause();
|
||||
whepAudio.srcObject = null;
|
||||
whepAudio = null;
|
||||
}
|
||||
|
||||
whepSetDot('idle');
|
||||
whepLog('Disconnected');
|
||||
}
|
||||
@@ -338,51 +348,50 @@ function whepDisconnect() {
|
||||
async function whepConnect() {
|
||||
const url = document.getElementById('whep-url-input').value.trim();
|
||||
if (!url) return;
|
||||
|
||||
whepSetDot('connecting');
|
||||
whepLog('Creating peer connection…');
|
||||
whepLog('Starting MediaMTX reader…');
|
||||
|
||||
try {
|
||||
whepPc = new RTCPeerConnection();
|
||||
whepPc.ontrack = (e) => {
|
||||
whepLog('Track received, starting playback', 'ok');
|
||||
whepAudio = new Audio();
|
||||
whepAudio.srcObject = e.streams[0];
|
||||
whepAudio.volume = parseFloat(document.getElementById('whep-vol').value);
|
||||
whepAudio.play().then(() => {
|
||||
whepLog('Audio playing', 'ok');
|
||||
whepConnected = true;
|
||||
whepSetDot('connected');
|
||||
}).catch(() => {
|
||||
whepLog('Autoplay blocked — click anywhere to resume', 'err');
|
||||
document.addEventListener('click', () => whepAudio && whepAudio.play(), { once: true });
|
||||
});
|
||||
};
|
||||
whepPc.onconnectionstatechange = () => {
|
||||
whepLog('State: ' + whepPc.connectionState);
|
||||
if (whepPc.connectionState === 'failed' || whepPc.connectionState === 'disconnected') {
|
||||
whepLog('Connection lost', 'err');
|
||||
whepReader = new MediaMTXReader({
|
||||
url: url,
|
||||
|
||||
onTrack: (evt) => {
|
||||
whepLog('Track received, starting playback', 'ok');
|
||||
|
||||
whepAudio = new Audio();
|
||||
whepAudio.srcObject = evt.streams[0];
|
||||
whepAudio.volume = parseFloat(document.getElementById('whep-vol').value);
|
||||
|
||||
whepAudio.play().then(() => {
|
||||
whepLog('Audio playing', 'ok');
|
||||
whepConnected = true;
|
||||
whepSetDot('connected');
|
||||
}).catch(() => {
|
||||
whepLog('Autoplay blocked — click anywhere', 'err');
|
||||
document.addEventListener('click', () => whepAudio?.play(), { once: true });
|
||||
});
|
||||
},
|
||||
|
||||
onError: (err) => {
|
||||
whepLog('Error: ' + err, 'err');
|
||||
whepDisconnect();
|
||||
whepSetDot('error');
|
||||
},
|
||||
|
||||
onStateChange: (state) => {
|
||||
whepLog('State: ' + state);
|
||||
if (state === 'closed') {
|
||||
whepDisconnect();
|
||||
}
|
||||
}
|
||||
};
|
||||
whepPc.oniceconnectionstatechange = () => whepLog('ICE: ' + whepPc.iceConnectionState);
|
||||
whepPc.addTransceiver('audio', { direction: 'recvonly' });
|
||||
const offer = await whepPc.createOffer();
|
||||
offer.sdp = offer.sdp
|
||||
.replace(/useinbandfec=1/g, 'useinbandfec=1;stereo=1;sprop-stereo=1')
|
||||
.replace(/minptime=10/g, 'minptime=10;ptime=10;maxptime=10');
|
||||
await whepPc.setLocalDescription(offer);
|
||||
whepLog('Sending offer to ' + url);
|
||||
const resp = await fetch(url, {
|
||||
method: 'POST',
|
||||
headers: { 'Content-Type': 'application/sdp', 'Accept': 'application/sdp' },
|
||||
body: whepPc.localDescription.sdp
|
||||
});
|
||||
if (!resp.ok) throw new Error(`Server returned ${resp.status} ${resp.statusText}`);
|
||||
const answerSdp = await resp.text();
|
||||
whepLog(`Got SDP answer (${answerSdp.length} bytes)`, 'ok');
|
||||
await whepPc.setRemoteDescription({ type: 'answer', sdp: answerSdp });
|
||||
whepLog('Waiting for ICE + track…');
|
||||
} catch(err) {
|
||||
|
||||
await whepReader.start();
|
||||
|
||||
whepLog('Reader started, waiting for media…');
|
||||
|
||||
} catch (err) {
|
||||
whepLog('Error: ' + err.message, 'err');
|
||||
whepDisconnect();
|
||||
whepSetDot('error');
|
||||
Reference in New Issue
Block a user