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1f6e036 Jan 7, 2016
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<!--
> Muaz Khan - github.com/muaz-khan
> MIT License - www.webrtc-experiment.com/licence
> Documentation - www.RTCMultiConnection.org
-->
<!DOCTYPE html>
<html lang="en">
<head>
<title>WebRTC Screen Sharing using RTCMultiConnection ® Muaz Khan</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
<link rel="author" type="text/html" href="https://plus.google.com/+MuazKhan">
<meta name="author" content="Muaz Khan">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<link rel="stylesheet" href="//cdn.webrtc-experiment.com/style.css">
<style>
audio,
video {
-moz-transition: all 1s ease;
-ms-transition: all 1s ease;
-o-transition: all 1s ease;
-webkit-transition: all 1s ease;
transition: all 1s ease;
vertical-align: top;
width: 100%;
}
input {
border: 1px solid #d9d9d9;
border-radius: 1px;
font-size: 2em;
margin: .2em;
width: 30%;
}
.setup {
border-bottom-left-radius: 0;
border-top-left-radius: 0;
font-size: 102%;
height: 47px;
margin-left: -9px;
margin-top: 8px;
position: absolute;
}
p {
padding: 1em;
}
li {
border-bottom: 1px solid rgb(189, 189, 189);
border-left: 1px solid rgb(189, 189, 189);
padding: .5em;
}
</style>
<script>
document.createElement('article');
document.createElement('footer');
</script>
<!-- scripts used for broadcasting -->
<script src="//cdn.webrtc-experiment.com/firebase.js">
</script>
<script src="//cdn.webrtc-experiment.com/RTCMultiConnection.js">
</script>
</head>
<body>
<article>
<header style="text-align: center;">
<h1>
<a href="https://www.webrtc-experiment.com/">WebRTC</a> Screen Sharing using
<a href="http://www.rtcmulticonnection.org/docs/" target="_blank">RTCMultiConnection</a>
</h1>
<p>
<a href="https://www.webrtc-experiment.com/">HOME</a>
<span> &copy; </span>
<a href="http://www.MuazKhan.com/" target="_blank">Muaz Khan</a> .
<a href="http://twitter.com/WebRTCWeb" target="_blank" title="Twitter profile for WebRTC Experiments">@WebRTCWeb</a> .
<a href="https://github.com/muaz-khan?tab=repositories" target="_blank" title="Github Profile">Github</a> .
<a href="https://github.com/muaz-khan/WebRTC-Experiment/issues?state=open" target="_blank">Latest issues</a> .
<a href="https://github.com/muaz-khan/WebRTC-Experiment/commits/master" target="_blank">What's New?</a>
</p>
</header>
<div class="github-stargazers"></div>
<!-- just copy this <section> and next script -->
<section class="experiment">
<section>
<span>
Private ??
<a href="" target="_blank" title="Open this link in new tab. Then your room will be private!">
<code>
<strong id="unique-token">#123456789</strong>
</code>
</a>
</span>
<input type="text" id="broadcast-name">
<button id="setup-new-broadcast" class="setup">Share Your Screen</button>
</section>
<!-- list of all available broadcasting rooms -->
<table style="width: 100%;" id="rooms-list"></table>
<!-- local/remote videos container -->
<div id="videos-container"></div>
</section>
<script>
// Muaz Khan - https://github.com/muaz-khan
// MIT License - https://www.webrtc-experiment.com/licence/
// Documentation - https://github.com/muaz-khan/RTCMultiConnection
var connection = new RTCMultiConnection();
// connection.trickleIce = false;
// this code is used for screen-viewers only.
// screen sender will be overriding it later.
connection.sdpConstraints.mandatory = {
OfferToReceiveAudio: false,
OfferToReceiveVideo: true
};
connection.session = {
screen: true,
oneway: true
};
connection.onstream = function(e) {
e.mediaElement.width = 600;
videosContainer.insertBefore(e.mediaElement, videosContainer.firstChild);
rotateVideo(e.mediaElement);
scaleVideos();
};
function rotateVideo(mediaElement) {
mediaElement.style[navigator.mozGetUserMedia ? 'transform' : '-webkit-transform'] = 'rotate(0deg)';
setTimeout(function() {
mediaElement.style[navigator.mozGetUserMedia ? 'transform' : '-webkit-transform'] = 'rotate(360deg)';
}, 1000);
}
connection.onstreamended = function(e) {
e.mediaElement.style.opacity = 0;
rotateVideo(e.mediaElement);
setTimeout(function() {
if (e.mediaElement.parentNode) {
e.mediaElement.parentNode.removeChild(e.mediaElement);
}
scaleVideos();
}, 1000);
};
var sessions = {};
connection.onNewSession = function(session) {
if (sessions[session.sessionid]) return;
sessions[session.sessionid] = session;
var tr = document.createElement('tr');
tr.innerHTML = '<td><strong>' + session.extra['session-name'] + '</strong> is sharing his screen!</td>' +
'<td><button class="join">View His Screen</button></td>';
roomsList.insertBefore(tr, roomsList.firstChild);
var joinRoomButton = tr.querySelector('.join');
joinRoomButton.setAttribute('data-sessionid', session.sessionid);
joinRoomButton.onclick = function() {
this.disabled = true;
var sessionid = this.getAttribute('data-sessionid');
session = sessions[sessionid];
if (!session) throw 'No such session exists.';
session.join();
};
};
var videosContainer = document.getElementById('videos-container') || document.body;
var roomsList = document.getElementById('rooms-list');
document.getElementById('setup-new-broadcast').onclick = function() {
this.disabled = true;
connection.extra = {
'session-name': document.getElementById('broadcast-name').value || 'Anonymous'
};
// screen sender don't need to receive any media.
// so both media-lines must be "sendonly".
connection.sdpConstraints.mandatory = {
OfferToReceiveAudio: false,
OfferToReceiveVideo: false
};
connection.open();
};
// setup signaling to search existing sessions
connection.connect();
(function() {
var uniqueToken = document.getElementById('unique-token');
if (uniqueToken)
if (location.hash.length > 2) uniqueToken.parentNode.parentNode.parentNode.innerHTML = '<h2 style="text-align:center;"><a href="' + location.href + '" target="_blank">Share this link</a></h2>';
else uniqueToken.innerHTML = uniqueToken.parentNode.parentNode.href = '#' + (Math.random() * new Date().getTime()).toString(36).toUpperCase().replace(/\./g, '-');
})();
function scaleVideos() {
var videos = document.querySelectorAll('video'),
length = videos.length,
video;
var minus = 130;
var windowHeight = 700;
var windowWidth = 600;
var windowAspectRatio = windowWidth / windowHeight;
var videoAspectRatio = 4 / 3;
var blockAspectRatio;
var tempVideoWidth = 0;
var maxVideoWidth = 0;
for (var i = length; i > 0; i--) {
blockAspectRatio = i * videoAspectRatio / Math.ceil(length / i);
if (blockAspectRatio <= windowAspectRatio) {
tempVideoWidth = videoAspectRatio * windowHeight / Math.ceil(length / i);
} else {
tempVideoWidth = windowWidth / i;
}
if (tempVideoWidth > maxVideoWidth)
maxVideoWidth = tempVideoWidth;
}
for (var i = 0; i < length; i++) {
video = videos[i];
if (video)
video.width = maxVideoWidth - minus;
}
}
window.onresize = scaleVideos;
</script>
<section class="experiment">
<h2>Pre-Requisites?</h2>
<ol>
<li>
Chrome?
<a href="https://chrome.google.com/webstore/detail/screen-capturing/ajhifddimkapgcifgcodmmfdlknahffk" target="_blank">Install chrome extension</a>.
<button onclick="!!navigator.webkitGetUserMedia && !!window.chrome && !!chrome.webstore && !!chrome.webstore.install && chrome.webstore.install('https://chrome.google.com/webstore/detail/ajhifddimkapgcifgcodmmfdlknahffk', function() {location.reload();})" id="install-button" style="padding: 0;background: none;height: 61px;vertical-align: middle;cursor:pointer;">
<img src="https://www.webrtc-experiment.com/images/btn-install-chrome-extension.png" alt="Add to Chrome">
</button>
/ <a href="https://github.com/muaz-khan/Chrome-Extensions/tree/master/desktopCapture">Source Code</a>
</li>
<li>
Firefox? <a href="https://addons.mozilla.org/en-US/firefox/addon/enable-screen-capturing/">Install Firefox Extension</a> / <a href="https://github.com/muaz-khan/Firefox-Extensions/tree/master/enable-screen-capturing">Source Code</a>
</li>
</ol>
</section>
<section class="experiment">
<h2 class="header" id="feedback">Feedback</h2>
<div>
<textarea id="message" style="border: 1px solid rgb(189, 189, 189); height: 8em; margin: .2em; outline: none; resize: vertical; width: 98%;" placeholder="Have any message? Suggestions or something went wrong?"></textarea>
</div>
<button id="send-message" style="font-size: 1em;">Send Message</button>
<small style="margin-left: 1em;">Enter your email too; if you want "direct" reply!</small>
</section>
<section class="experiment own-widgets latest-commits">
<h2 class="header" id="updates" style="color: red; padding-bottom: .1em;"><a href="https://github.com/muaz-khan/WebRTC-Experiment/commits/master" target="_blank">Latest Updates</a>
</h2>
<div id="github-commits"></div>
</section>
</article>
<a href="https://github.com/muaz-khan/RTCMultiConnection" class="fork-left"></a>
<footer>
<a href="https://www.webrtc-experiment.com/" target="_blank">WebRTC Experiments!</a> and
<a href="http://www.RTCMultiConnection.org/docs/" target="_blank">RTCMultiConnection.js</a> ©
<a href="mailto:muazkh@gmail.com" target="_blank">Muaz Khan</a>:
<a href="https://twitter.com/WebRTCWeb" target="_blank">@WebRTCWeb</a>
</footer>
<!-- commits.js is useless for you! -->
<script src="//cdn.webrtc-experiment.com/commits.js" async>
</script>
</body>
</html>