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Dennis Mårtensson
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new demo added and link to the demo page is now correct
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‎README.md‎

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#webrtc.io-demo
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==============
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You can have a look at the [demo](http://bit.ly/webrtcio)
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You can have a look at the [demo](http://webrtc.dennis.is/)
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##Instructions on how to setup the demo:
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‎site/fullscrean.png‎

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‎site/index.html‎

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<html>
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<head>
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<title>Example webrtc.io</title>
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<link type="text/css" href="/style.css" rel="stylesheet"></link>
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<script src="/webrtc.io.js"></script>
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</head>
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<body onload="init()">
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<div id="videos">
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<a href="https://github.com/webRTC"><img style="position: absolute; top: 0; right: 0; border: 0;" src="https://s3.amazonaws.com/github/ribbons/forkme_right_orange_ff7600.png" alt="Fork me on GitHub"></a>
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<video id="you" class="flip" autoplay></video>
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</div>
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<div id="chatbox">
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<div id="messages">
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</div>
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<input id="chatinput" type="text" placeholder="Message:"/>
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</div>
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<div class="buttonBox">
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<div id="fullscreen" class="button">Enter Full Screen</div>
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<div id="newRoom" class="button">Create A New Room</div>
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</div>
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<script src="/script.js"></script>
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<script type="text/javascript">
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var _gaq = _gaq || [];
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_gaq.push(['_setAccount', 'UA-31155783-1']);
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_gaq.push(['_setDomainName', 'dennis.is']);
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_gaq.push(['_trackPageview']);
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(function() {
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var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
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ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
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var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
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})();
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</script>
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</body>
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</html>

‎site/script.js‎

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var videos = [];
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var rooms = [1, 2, 3, 4, 5];
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var PeerConnection = window.PeerConnection || window.webkitPeerConnection00 || window.webkitRTCPeerConnection;
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function getNumPerRow() {
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var len = videos.length;
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var biggest;
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// Ensure length is even for better division.
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if(len % 2 === 1) {
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len++;
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}
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biggest = Math.ceil(Math.sqrt(len));
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while(len % biggest !== 0) {
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biggest++;
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}
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return biggest;
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}
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function subdivideVideos() {
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var perRow = getNumPerRow();
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var numInRow = 0;
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for(var i = 0, len = videos.length; i < len; i++) {
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var video = videos[i];
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setWH(video, i);
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numInRow = (numInRow + 1) % perRow;
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}
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}
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function setWH(video, i) {
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var perRow = getNumPerRow();
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var perColumn = Math.ceil(videos.length / perRow);
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var width = Math.floor((window.innerWidth) / perRow);
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var height = Math.floor((window.innerHeight - 190) / perColumn);
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video.width = width;
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video.height = height;
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video.style.position = "absolute";
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video.style.left = (i % perRow) * width + "px";
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video.style.top = Math.floor(i / perRow) * height + "px";
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}
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function cloneVideo(domId, socketId) {
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var video = document.getElementById(domId);
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var clone = video.cloneNode(false);
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clone.id = "remote" + socketId;
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document.getElementById('videos').appendChild(clone);
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videos.push(clone);
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return clone;
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}
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function removeVideo(socketId) {
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var video = document.getElementById('remote' + socketId);
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if(video) {
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videos.splice(videos.indexOf(video), 1);
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video.parentNode.removeChild(video);
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}
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}
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function addToChat(msg, color) {
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var messages = document.getElementById('messages');
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msg = sanitize(msg);
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if(color) {
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msg = '<span style="color: ' + color + '; padding-left: 15px">' + msg + '</span>';
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} else {
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msg = '<strong style="padding-left: 15px">' + msg + '</strong>';
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}
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messages.innerHTML = messages.innerHTML + msg + '<br>';
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messages.scrollTop = 10000;
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}
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function sanitize(msg) {
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return msg.replace(/</g, '&lt;');
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}
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function initFullScreen() {
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var button = document.getElementById("fullscreen");
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button.addEventListener('click', function(event) {
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var elem = document.getElementById("videos");
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//show full screen
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elem.webkitRequestFullScreen();
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});
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}
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function initNewRoom() {
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var button = document.getElementById("newRoom");
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button.addEventListener('click', function(event) {
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var chars = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXTZabcdefghiklmnopqrstuvwxyz";
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var string_length = 8;
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var randomstring = '';
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for(var i = 0; i < string_length; i++) {
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var rnum = Math.floor(Math.random() * chars.length);
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randomstring += chars.substring(rnum, rnum + 1);
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}
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window.location.hash = randomstring;
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location.reload();
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})
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}
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var websocketChat = {
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send: function(message) {
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rtc._socket.send(message);
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},
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recv: function(message) {
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return message;
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},
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event: 'receive_chat_msg'
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};
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var dataChannelChat = {
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send: function(message) {
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for(var connection in rtc.dataChannels) {
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var channel = rtc.dataChannels[connection];
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channel.send(message);
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}
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},
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recv: function(channel, message) {
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return JSON.parse(message).data;
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},
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event: 'data stream data'
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};
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function initChat() {
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var chat;
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if(rtc.dataChannelSupport) {
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console.log('initializing data channel chat');
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chat = dataChannelChat;
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} else {
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console.log('initializing websocket chat');
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chat = websocketChat;
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}
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var input = document.getElementById("chatinput");
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var room = window.location.hash.slice(1);
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var color = "#" + ((1 << 24) * Math.random() | 0).toString(16);
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input.addEventListener('keydown', function(event) {
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var key = event.which || event.keyCode;
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if(key === 13) {
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chat.send(JSON.stringify({
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"eventName": "chat_msg",
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"data": {
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"messages": input.value,
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"room": room,
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"color": color
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}
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}));
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addToChat(input.value);
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input.value = "";
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}
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}, false);
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rtc.on(chat.event, function() {
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data = chat.recv.apply(this, arguments);
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console.log(data.color);
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addToChat(data.messages, data.color.toString(16));
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});
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}
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function init() {
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if(PeerConnection) {
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rtc.createStream({
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"video": true,
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"audio": true
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}, function(stream) {
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document.getElementById('you').src = URL.createObjectURL(stream);
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videos.push(document.getElementById('you'));
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//rtc.attachStream(stream, 'you');
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subdivideVideos();
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});
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} else {
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alert('Your browser is not supported or you have to turn on flags. In chrome you go to chrome://flags and turn on Enable PeerConnection remember to restart chrome');
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}
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var room = window.location.hash.slice(1);
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rtc.connect("ws:" + window.location.href.substring(window.location.protocol.length).split('#')[0], room);
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rtc.on('add remote stream', function(stream, socketId) {
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console.log("ADDING REMOTE STREAM...");
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var clone = cloneVideo('you', socketId);
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document.getElementById(clone.id).setAttribute("class", "");
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rtc.attachStream(stream, clone.id);
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subdivideVideos();
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});
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rtc.on('disconnect stream', function(data) {
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console.log('remove ' + data);
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removeVideo(data);
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});
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initFullScreen();
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initNewRoom();
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initChat();
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}
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window.onresize = function(event) {
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subdivideVideos();
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};

‎site/server.js‎

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var app = require('express')();
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var server = require('http').createServer(app);
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var webRTC = require('webrtc.io').listen(server);
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server.listen(8000);
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app.get('/', function(req, res) {
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res.sendfile(__dirname + '/index.html');
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});
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app.get('/style.css', function(req, res) {
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res.sendfile(__dirname + '/style.css');
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});
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app.get('/fullscrean.png', function(req, res) {
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res.sendfile(__dirname + '/fullscrean.png');
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});
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app.get('/script.js', function(req, res) {
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res.sendfile(__dirname + '/script.js');
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});
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app.get('/webrtc.io.js', function(req, res) {
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res.sendfile(__dirname + '/webrtc.io.js');
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});
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webRTC.rtc.on('connect', function(rtc) {
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//Client connected
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});
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webRTC.rtc.on('send answer', function(rtc) {
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//answer sent
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});
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webRTC.rtc.on('disconnect', function(rtc) {
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//Client disconnect
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});
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webRTC.rtc.on('chat_msg', function(data, socket) {
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var roomList = webRTC.rtc.rooms[data.room] || [];
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for (var i = 0; i < roomList.length; i++) {
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var socketId = roomList[i];
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if (socketId !== socket.id) {
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var soc = webRTC.rtc.getSocket(socketId);
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if (soc) {
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soc.send(JSON.stringify({
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"eventName": "receive_chat_msg",
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"data": {
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"messages": data.messages,
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"color": data.color
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}
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}), function(error) {
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if (error) {
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console.log(error);
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}
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});
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}
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}
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}
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});

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