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> Muaz Khan - github.com/muaz-khan
> MIT License - www.webrtc-experiment.com/licence
> Documentation - www.RTCMultiConnection.org
-->
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<title>Customizing Bandwidth using RTCMultiConnection | Muaz Khan</title>
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border: 0;
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display: block;
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.eject {
background-image: url('https://www.webrtc-experiment.com/images/eject.png') !important;
background-position: center center !important;
background-repeat: no-repeat !important;
border-color: white;
border-radius: 0;
height: 30px;
margin: .2em;
position: absolute;
width: 30px;
z-index: 200;
}
</style>
<!-- for HTML5 el styling -->
<script>
document.createElement('article');
document.createElement('footer');
</script>
<script src="https://cdn.webrtc-experiment.com/socket.io.js"></script>
<script src="https://webrtc.github.io/adapter/adapter-latest.js"></script>
<script src="https://cdn.webrtc-experiment.com/CodecsHandler.js"></script>
<script src="https://cdn.webrtc-experiment.com/IceServersHandler.js"></script>
<script src="https://cdn.webrtc-experiment.com/RTCMultiConnection.js"></script>
</head>
<body>
<article>
<a href="https://www.webrtc-experiment.com/" style="border-bottom: 1px solid #2844FA; font-size: 1.2em; position: absolute; right: 0; text-decoration: none; top: 0;">↑WEBRTC EXPERIMENTS</a>
<h1>Customizing Bandwidth using <a href="https://github.com/muaz-khan/RTCMultiConnection" target="_blank">RTCMultiConnection</a></h1>
<p>
<span>Copyright ©</span>
<a href="https://github.com/muaz-khan" target="_blank">Muaz Khan</a>
<span>&lt;</span><a href="http://twitter.com/muazkh" target="_blank">@muazkh</a>
<span>&gt;.</span>
</p>
<section>
<h2>New Session:</h2>
<button id="start-new-session">Start New Video Session</button>
</section>
<table style="border-left: 1px solid black; width: 100%;">
<tr>
<td id="local-video-container">
<h2>Local video container</h2>
</td>
<td id="remote-videos-container" style="background: white; border-left: 1px solid black;">
<h2>Remote videos container
</h2>
</td>
</tr>
<tr>
<td colspan="2">
<table id="sessions-list" style="width: 100%;"></table>
</td>
</tr>
</table>
<script>
window.username = Math.random() * 9999 << 9999;
connection = new RTCMultiConnection('bandwidth-customization');
// https://github.com/muaz-khan/WebRTC-Experiment/tree/master/socketio-over-nodejs
var SIGNALING_SERVER = 'https://socketio-over-nodejs2.herokuapp.com:443/';
connection.openSignalingChannel = function(config) {
var channel = config.channel || connection.channel || 'default-namespace';
var sender = Math.round(Math.random() * 9999999999) + 9999999999;
io.connect(SIGNALING_SERVER).emit('new-channel', {
channel: channel,
sender: sender
});
var socket = io.connect(SIGNALING_SERVER + channel);
socket.channel = channel;
socket.on('connect', function() {
if (config.callback) config.callback(socket);
});
socket.send = function(message) {
socket.emit('message', {
sender: sender,
data: message
});
};
socket.on('message', config.onmessage);
};
connection.bandwidth = {
audio: params.audio || 50,
video: params.video || 256
};
sessionsList = document.getElementById('sessions-list');
connection.onNewSession = function(session) {
alreadyExists = document.getElementById(session.userid);
if (alreadyExists) return;
if (!window.sessions) window.sessions = {};
window.sessions[session.userid] = session;
tr = document.createElement('tr');
tr.innerHTML = '<td>' + session.extra.username + '</td>';
td = document.createElement('td');
button = document.createElement('button');
button.setAttribute('id', session.userid);
button.innerHTML = 'join';
td.appendChild(button);
tr.appendChild(td);
sessionsList.insertBefore(tr, sessionsList.firstChild);
button.onclick = function() {
if (!window.username) window.username = prompt('Please enter your username') || 'Anonymous';
session = window.sessions[this.id];
connection.extra = {
username: window.username
};
connection.join(session);
document.getElementById('start-new-session').disabled = true;
sessionsList.style.display = 'none';
};
};
document.getElementById('start-new-session').onclick = function() {
if (!window.username) window.username = prompt('Please enter your username') || 'Anonymous';
connection.extra = {
username: window.username
};
connection.open();
document.getElementById('start-new-session').disabled = true;
sessionsList.style.display = 'none';
};
connection.onstream = function(e) {
if (e.type === 'local') {
e.extra = {
username: window.username
};
video = getVideo(e);
document.getElementById('local-video-container').appendChild(video);
}
if (e.type === 'remote') {
video = getVideo(e);
remoteVideosContainer = document.getElementById('remote-videos-container');
remoteVideosContainer.appendChild(video, remoteVideosContainer.firstChild);
}
e.mediaElement.width = innerWidth / 3.4;
};
connection.onleave = function(e) {
if (e.extra) console.log(e.extra.username + ' left you!');
video = document.getElementById(e.userid);
if (video) video.parentNode.removeChild(video);
};
// this line must be called both for initiator and participants
connection.connect();
function getVideo(e) {
div = document.createElement('div');
div.className = 'video-container';
div.id = e.userid || 'self';
if (e.type === 'remote') {
if (connection.isInitiator) {
eject = document.createElement('button');
eject.className = 'eject';
eject.title = 'Eject this User';
eject.onclick = function() {
connection.eject(this.parentNode.id);
this.parentNode.style.display = 'none';
};
div.appendChild(eject);
}
}
div.appendChild(e.mediaElement);
if (e.extra) {
h2 = document.createElement('h2');
h2.innerHTML = e.extra.username;
div.appendChild(h2);
}
return div;
}
</script>
<br/>
<p style="color: red; text-align: center;">You can customize bandwidth using URL parameters!</p>
<br/>
<h2 id="go">Go ahead and try <a href="https://github.com/muaz-khan/RTCMultiConnection" target="_blank">RTCMultiConnection</a>!</h2>
<p>Pass "session-id" only-over the constructor:</p>
<pre>
connection = new RTCMultiConnection('session-id');
connection.bandwidth = {
audio: 50,
video: 256
};
connection.open();
</pre>
<br/>
<br/>
<h2>What is <a href="https://github.com/muaz-khan/RTCMultiConnection" target="_blank">RTCMultiConnection</a>?</h2>
<br/>
<br/>RTCMultiConnection.js a javascript library supports features like audio/video conferencing; (one-way and one-to-many) broadcasting; screen sharing; data/text/file sharing (of any size); multi-and-manual sessions establishment; users ejection, rejection and presence detection; and more. It automatically keeps session "active" all the time; even if initiator leaves.
<br/>
<br/>
<section style="border: 1px solid rgb(189, 189, 189); border-radius: .2em; margin: 1em 3em;">
<h2 id="feedback" style="border-bottom: 1px solid rgb(189, 189, 189); padding: .2em .4em;">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>
</section>
</article>
<footer>
<p> <a href="https://www.webrtc-experiment.com/" target="_blank">WebRTC Experiments!</a>© <a href="https://plus.google.com/100325991024054712503" rel="author" target="_blank">Muaz Khan</a>,
<span>2013 </span>» <a href="mailto:muazkh@gmail.com" target="_blank">Email</a
<a href="http://twitter.com/muazkh" target="_blank">@muazkh</a>» <a href="https://github.com/muaz-khan" target="_blank">Github</a>
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