mirror of
https://github.com/bluenviron/mediamtx
synced 2025-03-04 19:37:52 +00:00
hls, webrtc: in the web page, show connection errors to users (#2957)
This commit is contained in:
Alessandro Ros
GitHub
parent
7d0e702f14
commit
0433af66a3
@ -9,21 +9,58 @@ html, body {
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padding: 0;
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height: 100%;
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overflow: hidden;
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font-family: 'Arial', sans-serif;
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}
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#video {
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width: 100%;
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height: 100%;
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background: black;
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background: rgb(30, 30, 30);
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}
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#message {
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position: absolute;
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left: 0;
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top: 0;
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width: 100%;
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height: 100%;
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display: flex;
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align-items: center;
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text-align: center;
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justify-content: center;
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font-size: 16px;
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font-weight: bold;
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color: white;
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pointer-events: none;
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padding: 20px;
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box-sizing: border-box;
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}
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</style>
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</head>
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<body>
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<video id="video"></video>
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<div id="message"></div>
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<script src="hls.min.js"></script>
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<script>
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const create = (video) => {
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const retryPause = 2000;
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const video = document.getElementById('video');
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const message = document.getElementById('message');
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let defaultControls = false;
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const setMessage = (str) => {
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if (str !== '') {
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video.controls = false;
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} else {
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video.controls = defaultControls;
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}
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message.innerText = str;
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};
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const loadStream = () => {
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// always prefer hls.js over native HLS.
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// this is because some Android versions support native HLS
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// but don't support fMP4s.
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@ -35,7 +72,16 @@ const create = (video) => {
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hls.on(Hls.Events.ERROR, (evt, data) => {
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if (data.fatal) {
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hls.destroy();
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setTimeout(() => create(video), 2000);
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if (data.details === 'manifestIncompatibleCodecsError') {
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setMessage('stream makes use of codecs which are incompatible with this browser or operative system');
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} else if (data.response && data.response.code === 404) {
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setMessage('stream not found, retrying in some seconds');
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} else {
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setMessage(data.error + ', retrying in some seconds');
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}
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setTimeout(() => loadStream(video), retryPause);
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}
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});
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@ -44,6 +90,7 @@ const create = (video) => {
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});
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hls.on(Hls.Events.MANIFEST_PARSED, () => {
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setMessage('');
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video.play();
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});
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@ -60,93 +107,33 @@ const create = (video) => {
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}
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};
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/**
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* Parses the query string from a URL into an object representing the query parameters.
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* If no URL is provided, it uses the query string from the current page's URL.
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*
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* @param {string} [url=window.location.search] - The URL to parse the query string from.
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* @returns {Object} An object representing the query parameters with keys as parameter names and values as parameter values.
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*/
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const parseQueryString = (url) => {
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const queryString = (url || window.location.search).split("?")[1];
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if (!queryString) return {};
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const paramsArray = queryString.split("&");
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const result = {};
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for (let i = 0; i < paramsArray.length; i++) {
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const param = paramsArray[i].split("=");
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const key = decodeURIComponent(param[0]);
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const value = decodeURIComponent(param[1] || "");
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if (key) {
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if (result[key]) {
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if (Array.isArray(result[key])) {
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result[key].push(value);
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} else {
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result[key] = [result[key], value];
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}
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} else {
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result[key] = value;
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}
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}
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}
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return result;
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};
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/**
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* Parses a string with boolean-like values and returns a boolean.
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* @param {string} str The string to parse
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* @param {boolean} defaultVal The default value
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* @returns {boolean}
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*/
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const parseBoolString = (str, defaultVal) => {
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const trueValues = ["1", "yes", "true"];
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const falseValues = ["0", "no", "false"];
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str = (str || "").toString();
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str = (str || '');
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if (trueValues.includes(str.toLowerCase())) {
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if (['1', 'yes', 'true'].includes(str.toLowerCase())) {
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return true;
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} else if (falseValues.includes(str.toLowerCase())) {
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return false;
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} else {
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return defaultVal;
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}
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if (['0', 'no', 'false'].includes(str.toLowerCase())) {
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return false;
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}
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return defaultVal;
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};
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/**
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* Sets video attributes based on query string parameters or default values.
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*
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* @param {HTMLVideoElement} video - The video element on which to set the attributes.
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*/
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const setVideoAttributes = (video) => {
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let qs = parseQueryString();
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video.controls = parseBoolString(qs["controls"], true);
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video.muted = parseBoolString(qs["muted"], true);
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video.autoplay = parseBoolString(qs["autoplay"], true);
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video.playsInline = parseBoolString(qs["playsinline"], true);
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const loadAttributesFromQuery = () => {
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const params = new URLSearchParams(window.location.search);
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video.controls = parseBoolString(params.get('controls'), true);
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video.muted = parseBoolString(params.get('muted'), true);
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video.autoplay = parseBoolString(params.get('autoplay'), true);
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video.playsInline = parseBoolString(params.get('playsinline'), true);
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defaultControls = video.controls;
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};
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/**
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*
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* @param {(video: HTMLVideoElement) => void} callback
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* @param {HTMLElement} container
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* @returns
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*/
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const initVideoElement = (callback, container) => {
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return () => {
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const video = document.createElement("video");
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video.id = "video";
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setVideoAttributes(video);
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container.append(video);
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callback(video);
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};
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const init = () => {
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loadAttributesFromQuery();
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loadStream();
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};
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window.addEventListener('DOMContentLoaded', initVideoElement(create, document.body));
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window.addEventListener('DOMContentLoaded', init);
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</script>
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File diff suppressed because it is too large
Load Diff
@ -5,396 +5,364 @@
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<meta name="viewport" content="width=device-width">
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<style>
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html, body {
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margin: 0;
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padding: 0;
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height: 100%;
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overflow: hidden;
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margin: 0;
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padding: 0;
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height: 100%;
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overflow: hidden;
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font-family: 'Arial', sans-serif;
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}
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#video {
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width: 100%;
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height: 100%;
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background: black;
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width: 100%;
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height: 100%;
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background: rgb(30, 30, 30);
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}
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#message {
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position: absolute;
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left: 0;
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top: 0;
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width: 100%;
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height: 100%;
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display: flex;
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align-items: center;
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text-align: center;
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justify-content: center;
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font-size: 16px;
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font-weight: bold;
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color: white;
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pointer-events: none;
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padding: 20px;
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box-sizing: border-box;
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}
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</style>
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</head>
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<body>
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<video id="video"></video>
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<div id="message"></div>
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<script>
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const restartPause = 2000;
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const retryPause = 2000;
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const video = document.getElementById('video');
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const message = document.getElementById('message');
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let pc = null;
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let restartTimeout = null;
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let sessionUrl = '';
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let offerData = '';
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let queuedCandidates = [];
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let defaultControls = false;
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const setMessage = (str) => {
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if (str !== '') {
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video.controls = false;
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} else {
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video.controls = defaultControls;
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}
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message.innerText = str;
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};
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const unquoteCredential = (v) => (
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JSON.parse(`"${v}"`)
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JSON.parse(`"${v}"`)
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);
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const linkToIceServers = (links) => (
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(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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(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 = unquoteCredential(m[3]);
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ret.credential = unquoteCredential(m[4]);
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ret.credentialType = "password";
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}
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if (m[3] !== undefined) {
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ret.username = unquoteCredential(m[3]);
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ret.credential = 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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return ret;
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}) : []
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);
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const parseOffer = (offer) => {
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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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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 offer.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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for (const line of offer.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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return ret;
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};
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const enableStereoOpus = (section) => {
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let opusPayloadFormat = '';
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let lines = section.split('\r\n');
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let opusPayloadFormat = '';
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let lines = section.split('\r\n');
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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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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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if (opusPayloadFormat === '') {
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return section;
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}
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if (opusPayloadFormat === '') {
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return section;
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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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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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return lines.join('\r\n');
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};
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const editOffer = (offer) => {
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const sections = offer.sdp.split('m=');
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const sections = offer.sdp.split('m=');
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for (let i = 0; i < sections.length; i++) {
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const section = sections[i];
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if (section.startsWith('audio')) {
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sections[i] = enableStereoOpus(section);
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}
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}
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for (let i = 0; i < sections.length; i++) {
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const section = sections[i];
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if (section.startsWith('audio')) {
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sections[i] = enableStereoOpus(section);
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}
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}
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offer.sdp = sections.join('m=');
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offer.sdp = sections.join('m=');
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};
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const generateSdpFragment = (offerData, candidates) => {
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const candidatesByMedia = {};
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for (const candidate of candidates) {
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const mid = candidate.sdpMLineIndex;
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if (candidatesByMedia[mid] === undefined) {
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candidatesByMedia[mid] = [];
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}
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candidatesByMedia[mid].push(candidate);
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}
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const generateSdpFragment = (od, candidates) => {
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const candidatesByMedia = {};
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for (const candidate of candidates) {
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const mid = candidate.sdpMLineIndex;
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if (candidatesByMedia[mid] === undefined) {
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candidatesByMedia[mid] = [];
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}
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candidatesByMedia[mid].push(candidate);
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}
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let frag = 'a=ice-ufrag:' + offerData.iceUfrag + '\r\n'
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+ 'a=ice-pwd:' + offerData.icePwd + '\r\n';
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let frag = 'a=ice-ufrag:' + od.iceUfrag + '\r\n'
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+ 'a=ice-pwd:' + od.icePwd + '\r\n';
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let mid = 0;
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let mid = 0;
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for (const media of offerData.medias) {
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if (candidatesByMedia[mid] !== undefined) {
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frag += 'm=' + media + '\r\n'
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+ 'a=mid:' + mid + '\r\n';
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for (const media of od.medias) {
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if (candidatesByMedia[mid] !== undefined) {
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frag += 'm=' + media + '\r\n'
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+ 'a=mid:' + mid + '\r\n';
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for (const candidate of candidatesByMedia[mid]) {
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frag += 'a=' + candidate.candidate + '\r\n';
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}
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}
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mid++;
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}
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for (const candidate of candidatesByMedia[mid]) {
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frag += 'a=' + candidate.candidate + '\r\n';
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}
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}
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mid++;
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}
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return frag;
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}
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class WHEPClient {
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constructor(video) {
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this.video = video;
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this.pc = null;
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this.restartTimeout = null;
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this.sessionUrl = '';
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this.queuedCandidates = [];
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this.start();
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}
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start() {
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console.log("requesting ICE servers");
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fetch(new URL('whep', window.location.href) + window.location.search, {
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method: 'OPTIONS',
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})
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.then((res) => this.onIceServers(res))
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.catch((err) => {
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console.log('error: ' + err);
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this.scheduleRestart();
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});
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}
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onIceServers(res) {
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this.pc = new RTCPeerConnection({
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iceServers: linkToIceServers(res.headers.get('Link')),
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// https://webrtc.org/getting-started/unified-plan-transition-guide
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sdpSemantics: 'unified-plan',
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});
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const direction = "sendrecv";
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this.pc.addTransceiver("video", { direction });
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this.pc.addTransceiver("audio", { direction });
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this.pc.onicecandidate = (evt) => this.onLocalCandidate(evt);
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this.pc.oniceconnectionstatechange = () => this.onConnectionState();
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this.pc.ontrack = (evt) => {
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console.log("new track:", evt.track.kind);
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this.video.srcObject = evt.streams[0];
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};
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this.pc.createOffer()
|
||||
.then((offer) => this.onLocalOffer(offer));
|
||||
}
|
||||
|
||||
onLocalOffer(offer) {
|
||||
editOffer(offer);
|
||||
|
||||
this.offerData = parseOffer(offer.sdp);
|
||||
this.pc.setLocalDescription(offer);
|
||||
|
||||
console.log("sending offer");
|
||||
|
||||
fetch(new URL('whep', window.location.href) + window.location.search, {
|
||||
method: 'POST',
|
||||
headers: {
|
||||
'Content-Type': 'application/sdp',
|
||||
},
|
||||
body: offer.sdp,
|
||||
})
|
||||
.then((res) => {
|
||||
if (res.status !== 201) {
|
||||
throw new Error('bad status code');
|
||||
}
|
||||
this.sessionUrl = new URL(res.headers.get('location'), window.location.href).toString();
|
||||
return res.text();
|
||||
})
|
||||
.then((sdp) => this.onRemoteAnswer(new RTCSessionDescription({
|
||||
type: 'answer',
|
||||
sdp,
|
||||
})))
|
||||
.catch((err) => {
|
||||
console.log('error: ' + err);
|
||||
this.scheduleRestart();
|
||||
});
|
||||
}
|
||||
|
||||
onConnectionState() {
|
||||
if (this.restartTimeout !== null) {
|
||||
return;
|
||||
}
|
||||
|
||||
console.log("peer connection state:", this.pc.iceConnectionState);
|
||||
|
||||
switch (this.pc.iceConnectionState) {
|
||||
case "disconnected":
|
||||
this.scheduleRestart();
|
||||
}
|
||||
}
|
||||
|
||||
onRemoteAnswer(answer) {
|
||||
if (this.restartTimeout !== null) {
|
||||
return;
|
||||
}
|
||||
|
||||
this.pc.setRemoteDescription(answer);
|
||||
|
||||
if (this.queuedCandidates.length !== 0) {
|
||||
this.sendLocalCandidates(this.queuedCandidates);
|
||||
this.queuedCandidates = [];
|
||||
}
|
||||
}
|
||||
|
||||
onLocalCandidate(evt) {
|
||||
if (this.restartTimeout !== null) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (evt.candidate !== null) {
|
||||
if (this.sessionUrl === '') {
|
||||
this.queuedCandidates.push(evt.candidate);
|
||||
} else {
|
||||
this.sendLocalCandidates([evt.candidate])
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
sendLocalCandidates(candidates) {
|
||||
fetch(this.sessionUrl + window.location.search, {
|
||||
method: 'PATCH',
|
||||
headers: {
|
||||
'Content-Type': 'application/trickle-ice-sdpfrag',
|
||||
'If-Match': '*',
|
||||
},
|
||||
body: generateSdpFragment(this.offerData, candidates),
|
||||
})
|
||||
.then((res) => {
|
||||
if (res.status !== 204) {
|
||||
throw new Error('bad status code');
|
||||
}
|
||||
})
|
||||
.catch((err) => {
|
||||
console.log('error: ' + err);
|
||||
this.scheduleRestart();
|
||||
});
|
||||
}
|
||||
|
||||
scheduleRestart() {
|
||||
if (this.restartTimeout !== null) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (this.pc !== null) {
|
||||
this.pc.close();
|
||||
this.pc = null;
|
||||
}
|
||||
|
||||
this.restartTimeout = window.setTimeout(() => {
|
||||
this.restartTimeout = null;
|
||||
this.start();
|
||||
}, restartPause);
|
||||
|
||||
if (this.sessionUrl) {
|
||||
fetch(this.sessionUrl, {
|
||||
method: 'DELETE',
|
||||
})
|
||||
.then((res) => {
|
||||
if (res.status !== 200) {
|
||||
throw new Error('bad status code');
|
||||
}
|
||||
})
|
||||
.catch((err) => {
|
||||
console.log('delete session error: ' + err);
|
||||
});
|
||||
}
|
||||
this.sessionUrl = '';
|
||||
|
||||
this.queuedCandidates = [];
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Parses the query string from a URL into an object representing the query parameters.
|
||||
* If no URL is provided, it uses the query string from the current page's URL.
|
||||
*
|
||||
* @param {string} [url=window.location.search] - The URL to parse the query string from.
|
||||
* @returns {Object} An object representing the query parameters with keys as parameter names and values as parameter values.
|
||||
*/
|
||||
const parseQueryString = (url) => {
|
||||
const queryString = (url || window.location.search).split("?")[1];
|
||||
if (!queryString) return {};
|
||||
|
||||
const paramsArray = queryString.split("&");
|
||||
const result = {};
|
||||
|
||||
for (let i = 0; i < paramsArray.length; i++) {
|
||||
const param = paramsArray[i].split("=");
|
||||
const key = decodeURIComponent(param[0]);
|
||||
const value = decodeURIComponent(param[1] || "");
|
||||
|
||||
if (key) {
|
||||
if (result[key]) {
|
||||
if (Array.isArray(result[key])) {
|
||||
result[key].push(value);
|
||||
} else {
|
||||
result[key] = [result[key], value];
|
||||
}
|
||||
} else {
|
||||
result[key] = value;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return result;
|
||||
return frag;
|
||||
};
|
||||
|
||||
/**
|
||||
* Parses a string with boolean-like values and returns a boolean.
|
||||
* @param {string} str The string to parse
|
||||
* @param {boolean} defaultVal The default value
|
||||
* @returns {boolean}
|
||||
*/
|
||||
const parseBoolString = (str, defaultVal) => {
|
||||
const trueValues = ["1", "yes", "true"];
|
||||
const falseValues = ["0", "no", "false"];
|
||||
str = (str || "").toString();
|
||||
|
||||
if (trueValues.includes(str.toLowerCase())) {
|
||||
return true;
|
||||
} else if (falseValues.includes(str.toLowerCase())) {
|
||||
return false;
|
||||
} else {
|
||||
return defaultVal;
|
||||
}
|
||||
const loadStream = () => {
|
||||
requestICEServers();
|
||||
};
|
||||
|
||||
/**
|
||||
* Sets video attributes based on query string parameters or default values.
|
||||
*
|
||||
* @param {HTMLVideoElement} video - The video element on which to set the attributes.
|
||||
*/
|
||||
const setVideoAttributes = (video) => {
|
||||
let qs = parseQueryString();
|
||||
const onError = (err) => {
|
||||
if (restartTimeout === null) {
|
||||
setMessage(err + ', retrying in some seconds');
|
||||
|
||||
video.controls = parseBoolString(qs["controls"], true);
|
||||
video.muted = parseBoolString(qs["muted"], true);
|
||||
video.autoplay = parseBoolString(qs["autoplay"], true);
|
||||
video.playsInline = parseBoolString(qs["playsinline"], true);
|
||||
if (pc !== null) {
|
||||
pc.close();
|
||||
pc = null;
|
||||
}
|
||||
|
||||
restartTimeout = window.setTimeout(() => {
|
||||
restartTimeout = null;
|
||||
loadStream();
|
||||
}, retryPause);
|
||||
|
||||
if (sessionUrl) {
|
||||
fetch(sessionUrl, {
|
||||
method: 'DELETE',
|
||||
});
|
||||
}
|
||||
sessionUrl = '';
|
||||
|
||||
queuedCandidates = [];
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
*
|
||||
* @param {(video: HTMLVideoElement) => void} callback
|
||||
* @param {HTMLElement} container
|
||||
* @returns
|
||||
*/
|
||||
const initVideoElement = (callback, container) => {
|
||||
return () => {
|
||||
const video = document.createElement("video");
|
||||
video.id = "video";
|
||||
|
||||
setVideoAttributes(video);
|
||||
container.append(video);
|
||||
callback(video);
|
||||
};
|
||||
const sendLocalCandidates = (candidates) => {
|
||||
fetch(sessionUrl + window.location.search, {
|
||||
method: 'PATCH',
|
||||
headers: {
|
||||
'Content-Type': 'application/trickle-ice-sdpfrag',
|
||||
'If-Match': '*',
|
||||
},
|
||||
body: generateSdpFragment(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) => {
|
||||
onError(err.toString());
|
||||
});
|
||||
};
|
||||
|
||||
window.addEventListener('DOMContentLoaded', initVideoElement((video) => new WHEPClient(video), document.body));
|
||||
const onLocalCandidate = (evt) => {
|
||||
if (restartTimeout !== null) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (evt.candidate !== null) {
|
||||
if (sessionUrl === '') {
|
||||
queuedCandidates.push(evt.candidate);
|
||||
} else {
|
||||
sendLocalCandidates([evt.candidate])
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
const onRemoteAnswer = (sdp) => {
|
||||
if (restartTimeout !== null) {
|
||||
return;
|
||||
}
|
||||
|
||||
pc.setRemoteDescription(new RTCSessionDescription({
|
||||
type: 'answer',
|
||||
sdp,
|
||||
}));
|
||||
|
||||
if (queuedCandidates.length !== 0) {
|
||||
sendLocalCandidates(queuedCandidates);
|
||||
queuedCandidates = [];
|
||||
}
|
||||
};
|
||||
|
||||
const sendOffer = (offer) => {
|
||||
fetch(new URL('whep', window.location.href) + window.location.search, {
|
||||
method: 'POST',
|
||||
headers: {
|
||||
'Content-Type': 'application/sdp',
|
||||
},
|
||||
body: offer.sdp,
|
||||
})
|
||||
.then((res) => {
|
||||
switch (res.status) {
|
||||
case 201:
|
||||
break;
|
||||
case 404:
|
||||
throw new Error('stream not found');
|
||||
default:
|
||||
throw new Error(`bad status code ${res.status}`);
|
||||
}
|
||||
sessionUrl = new URL(res.headers.get('location'), window.location.href).toString();
|
||||
return res.text();
|
||||
})
|
||||
.then((sdp) => onRemoteAnswer(sdp))
|
||||
.catch((err) => {
|
||||
onError(err.toString());
|
||||
});
|
||||
};
|
||||
|
||||
const createOffer = () => {
|
||||
pc.createOffer()
|
||||
.then((offer) => {
|
||||
editOffer(offer);
|
||||
offerData = parseOffer(offer.sdp);
|
||||
pc.setLocalDescription(offer);
|
||||
sendOffer(offer);
|
||||
});
|
||||
};
|
||||
|
||||
const onConnectionState = () => {
|
||||
if (restartTimeout !== null) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (pc.iceConnectionState === 'disconnected') {
|
||||
onError('peer connection disconnected');
|
||||
}
|
||||
};
|
||||
|
||||
const onTrack = (evt) => {
|
||||
setMessage('');
|
||||
video.srcObject = evt.streams[0];
|
||||
};
|
||||
|
||||
const requestICEServers = () => {
|
||||
fetch(new URL('whep', window.location.href) + window.location.search, {
|
||||
method: 'OPTIONS',
|
||||
})
|
||||
.then((res) => {
|
||||
pc = new RTCPeerConnection({
|
||||
iceServers: linkToIceServers(res.headers.get('Link')),
|
||||
// https://webrtc.org/getting-started/unified-plan-transition-guide
|
||||
sdpSemantics: 'unified-plan',
|
||||
});
|
||||
|
||||
const direction = 'sendrecv';
|
||||
pc.addTransceiver('video', { direction });
|
||||
pc.addTransceiver('audio', { direction });
|
||||
|
||||
pc.onicecandidate = (evt) => onLocalCandidate(evt);
|
||||
pc.oniceconnectionstatechange = () => onConnectionState();
|
||||
pc.ontrack = (evt) => onTrack(evt);
|
||||
|
||||
createOffer();
|
||||
})
|
||||
.catch((err) => {
|
||||
onError(err.toString());
|
||||
});
|
||||
};
|
||||
|
||||
const parseBoolString = (str, defaultVal) => {
|
||||
str = (str || '');
|
||||
|
||||
if (['1', 'yes', 'true'].includes(str.toLowerCase())) {
|
||||
return true;
|
||||
}
|
||||
if (['0', 'no', 'false'].includes(str.toLowerCase())) {
|
||||
return false;
|
||||
}
|
||||
return defaultVal;
|
||||
};
|
||||
|
||||
const loadAttributesFromQuery = () => {
|
||||
const params = new URLSearchParams(window.location.search);
|
||||
video.controls = parseBoolString(params.get('controls'), true);
|
||||
video.muted = parseBoolString(params.get('muted'), true);
|
||||
video.autoplay = parseBoolString(params.get('autoplay'), true);
|
||||
video.playsInline = parseBoolString(params.get('playsinline'), true);
|
||||
defaultControls = video.controls;
|
||||
};
|
||||
|
||||
const init = () => {
|
||||
loadAttributesFromQuery();
|
||||
loadStream();
|
||||
};
|
||||
|
||||
window.addEventListener('DOMContentLoaded', init);
|
||||
|
||||
</script>
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user