5ee0bee59f
The WebRTC is exposed via `/video.html` endpoint and enabled by default as long as h264 stream is available.
143 lines
3.8 KiB
HTML
143 lines
3.8 KiB
HTML
<!doctype html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<title></title>
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<link rel="icon" href="data:;base64,iVBORw0KGgo=">
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<style>
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body {
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margin:0;
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padding:0;
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background-color:#303030;
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}
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#streamStage {
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position:fixed;
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top:0;
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left:0;
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width:100%;
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height:100%;
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}
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#streamStage:before {
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content: '';
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box-sizing: border-box;
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position: absolute;
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top: 50%;
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left: 50%;
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width: 2rem;
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height: 2rem;
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margin-top: -1rem;
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margin-left: -1rem;
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}
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#stream {
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max-height: 100%;
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max-width: 100%;
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margin: auto;
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position: absolute;
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top: 0; left: 0; bottom: 0; right: 0;
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}
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</style>
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</head>
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<body>
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<div id="streamtage">
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<video controls autoplay muted id="stream"></video>
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</div>
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<script>
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function startWebRTC() {
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var config = {
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sdpSemantics: 'unified-plan'
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};
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if (!document.getElementById('use-stun') || document.getElementById('use-stun').checked) {
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config.iceServers = [{urls: ['stun:stun.l.google.com:19302']}];
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}
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pc = new RTCPeerConnection(config);
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pc.addTransceiver('video', {direction: 'recvonly'});
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//pc.addTransceiver('audio', {direction: 'recvonly'});
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pc.addEventListener('track', function(evt) {
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console.log("track event " + evt.track.kind);
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if (evt.track.kind == 'video') {
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if (document.getElementById('stream'))
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document.getElementById('stream').srcObject = evt.streams[0];
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} else {
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if (document.getElementById('audio'))
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document.getElementById('audio').srcObject = evt.streams[0];
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}
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});
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const urlSearchParams = new URLSearchParams(window.location.search);
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const params = Object.fromEntries(urlSearchParams.entries());
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fetch('/video', {
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body: JSON.stringify({
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type: 'request',
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res: params.res
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}),
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headers: {
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'Content-Type': 'application/json'
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},
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method: 'POST'
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}).then(function(response) {
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return response.json();
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}).then(function(answer) {
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pc.remote_pc_id = answer.id;
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return pc.setRemoteDescription(answer);
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}).then(function() {
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return pc.createAnswer();
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}).then(function(answer) {
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return pc.setLocalDescription(answer);
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}).then(function() {
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// wait for ICE gathering to complete
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return new Promise(function(resolve) {
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if (pc.iceGatheringState === 'complete') {
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resolve();
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} else {
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function checkState() {
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if (pc.iceGatheringState === 'complete') {
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pc.removeEventListener('icegatheringstatechange', checkState);
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resolve();
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}
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}
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pc.addEventListener('icegatheringstatechange', checkState);
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}
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});
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}).then(function(answer) {
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var offer = pc.localDescription;
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return fetch('/video', {
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body: JSON.stringify({
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type: offer.type,
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id: pc.remote_pc_id,
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sdp: offer.sdp,
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}),
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headers: {
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'Content-Type': 'application/json'
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},
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method: 'POST'
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})
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}).then(function(response) {
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return response.json();
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}).catch(function(e) {
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alert(e);
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});
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}
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function stopWebRTC() {
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setTimeout(function() {
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pc.close();
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}, 500);
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}
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</script>
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<script>
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window.onload = function() {
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startWebRTC();
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}
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</script>
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</body>
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</html>
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