rtc

minimal webrtc client
git clone git://ce9e.org/rtc

commit
da734abd80fccc801c03244eb1486adaab4313d1
parent
fdb99a9db6ba6e229e8b3477bbe836c401a5ef6f
Author
Tobias Bengfort <tobias.bengfort@posteo.de>
Date
2020-04-01 07:09
lint

Diffstat

M www/rtc/rtc.js 30 +++++++++++++++++-------------

1 files changed, 17 insertions, 13 deletions


diff --git a/www/rtc/rtc.js b/www/rtc/rtc.js

@@ -1,3 +1,5 @@
   -1     1 /* global patch */
   -1     2 /* eslint no-console: "off" */
    1     3 (function() {
    2     4 	// https://webrtc.github.io/samples/
    3     5 	// https://www.html5rocks.com/en/tutorials/webrtc/basics/
@@ -23,7 +25,7 @@
   23    25 		var screenHeight = container.clientHeight;
   24    26 		var width = Math.sqrt(screenWidth * screenHeight / contentRatio / items);
   25    27 		container.style.setProperty('--video-width', width + 'px');
   26    -1 	}
   -1    28 	};
   27    29 
   28    30 	var getConnection = function(sender) {
   29    31 		if (sender in cons) {
@@ -36,7 +38,7 @@
   36    38 		updateIdealColumns();
   37    39 
   38    40 		var con = new RTCPeerConnection({
   39    -1 			iceServers: [{urls: 'stun:stun.l.google.com:19302'}]
   -1    41 			iceServers: [{urls: 'stun:stun.l.google.com:19302'}],
   40    42 		});
   41    43 		con.addEventListener('icecandidate', function(event) {
   42    44 			patch.post(sender, {'sender': queue, 'data': event.candidate});
@@ -74,7 +76,7 @@
   74    76 		if (sender !== queue) {
   75    77 			var con = getConnection(sender);
   76    78 			con.createOffer().then(offer => {
   77    -1 				con.setLocalDescription(offer).then(_ => {
   -1    79 				con.setLocalDescription(offer).then(() => {
   78    80 					patch.post(sender, {'sender': queue, 'data': offer});
   79    81 				});
   80    82 			});
@@ -83,9 +85,9 @@
   83    85 
   84    86 	var handleOffer = function(sender, offer) {
   85    87 		var con = getConnection(sender);
   86    -1 		con.setRemoteDescription(offer).then(_ => {
   -1    88 		con.setRemoteDescription(offer).then(() => {
   87    89 			con.createAnswer().then(answer => {
   88    -1 				con.setLocalDescription(answer).then(_ => {
   -1    90 				con.setLocalDescription(answer).then(() => {
   89    91 					patch.post(sender, {'sender': queue, 'data': answer});
   90    92 				});
   91    93 			});
@@ -102,9 +104,9 @@
  102   104 		con.addIceCandidate(candidate);
  103   105 	};
  104   106 
  105    -1 	patch.listen(queue, function(data) {
  106    -1 		var sender = data.sender;
  107    -1 		var data = data.data;
   -1   107 	patch.listen(queue, function(event) {
   -1   108 		var sender = event.sender;
   -1   109 		var data = event.data;
  108   110 		if (sender && data) {
  109   111 			if (data.type === 'offer') {
  110   112 				return handleOffer(sender, data);
@@ -120,7 +122,7 @@
  120   122 	patch.post(room, {type: 'announce', key: queue});
  121   123 
  122   124 	var updateConnections = function() {
  123    -1 		var sender, c;
   -1   125 		var sender;
  124   126 		var tracks = localVideo.srcObject.getTracks();
  125   127 
  126   128 		for (sender in cons) {
@@ -134,11 +136,12 @@
  134   136 				con.addTrack(track, localVideo.srcObject);
  135   137 			});
  136   138 		}
  137    -1 	}
   -1   139 	};
  138   140 
  139   141 	var updateStreams = async function(event) {
  140   142 		var newStream = new MediaStream();
  141    -1 		var kind, getStream;
   -1   143 		var kind;
   -1   144 		var getStream;
  142   145 
  143   146 		if (event.target.name === 'audio') {
  144   147 			kind = 'audio';
@@ -152,10 +155,11 @@
  152   155 		}
  153   156 
  154   157 		if (event.target.checked) {
   -1   158 			var stream;
  155   159 			try {
  156   160 				// try this first thing so it can fail without breaking anything
  157    -1 				var stream = await getStream();
  158    -1 			} catch {
   -1   161 				stream = await getStream();
   -1   162 			} catch (err) {
  159   163 				event.target.checked = false;
  160   164 				return;
  161   165 			}