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<!-- Demo version: 2017.08.31 -->
<!DOCTYPE html>
<html lang="en" dir="ltr">
<head>
<meta charset="utf-8">
<title>MCU using RTCMultiConnection</title>
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<body>
<header>
<a class="logo" href="/demos/"><img src="/demos/logo.png" alt="RTCMultiConnection"></a>
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<a href="/demos/">Home</a>
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<a href="http://www.rtcmulticonnection.org/docs/getting-started/">Getting Started</a>
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<a href="http://www.rtcmulticonnection.org/FAQ/">FAQ</a>
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<a href="https://github.com/muaz-khan/RTCMultiConnection#v3-demos">Demos</a>
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</header>
<h1>
MCU using RTCMultiConnection
<p class="no-mobile">
Room initiator plays role of a media server i.e. MCU.
</p>
<p class="no-mobile">
Only one RTCPeerConnection object is used for all users.
</p>
</h1>
<section class="make-center">
<input type="text" id="room-id" value="abcdef" autocorrect=off autocapitalize=off size=20>
<button id="open-room">Open Room</button>
<button id="join-room">Join Room</button>
<button id="open-or-join-room">Auto Open Or Join Room</button>
<div id="room-urls" style="text-align: center;display: none;background: #F1EDED;margin: 15px -10px;border: 1px solid rgb(189, 189, 189);border-left: 0;border-right: 0;"></div>
<br>
<video controls="" autoplay="" id="video-preview"></video>
</section>
<script src="/dist/RTCMultiConnection.min.js"></script>
<script src="/dev/MultiStreamsMixer.js"></script>
<script src="/dev/adapter.js"></script>
<script src="/socket.io/socket.io.js"></script>
<script>
window.enableAdapter = true; // enable adapter.js
// ......................................................
// .......................UI Code........................
// ......................................................
var mixer;
var videoPreview = document.getElementById('video-preview');
document.getElementById('open-room').onclick = function() {
disableInputButtons();
navigator.mediaDevices.getUserMedia({audio: true, video: true}).then(function(initiatorStream) {
mixer = new MultiStreamsMixer([initiatorStream]);
mixer.frameInterval = 10;
mixer.startDrawingFrames();
videoPreview.srcObject = mixer.getMixedStream();
connection.attachStreams = [mixer.getMixedStream()];
connection.open(document.getElementById('room-id').value, function() {
showRoomURL(connection.sessionid);
});
});
};
document.getElementById('join-room').onclick = function() {
disableInputButtons();
navigator.mediaDevices.getUserMedia({audio: true, video: true}).then(function(participantStream) {
videoPreview.srcObject = participantStream;
connection.attachStreams = [participantStream];
connection.join(document.getElementById('room-id').value);
});
};
document.getElementById('open-or-join-room').onclick = function() {
disableInputButtons();
connection.checkPresence(document.getElementById('room-id').value, function(isRoomExist, roomid) {
if (!isRoomExist) {
document.getElementById('open-room').onclick();
showRoomURL(roomid);
}
else {
document.getElementById('join-room').onclick();
}
});
};
// ......................................................
// ..................RTCMultiConnection Code.............
// ......................................................
var connection = new RTCMultiConnection();
connection.dontCaptureUserMedia = true;
// by default, socket.io server is assumed to be deployed on your own URL
connection.socketURL = '/';
// comment-out below line if you do not have your own socket.io server
// connection.socketURL = 'https://rtcmulticonnection.herokuapp.com:443/';
connection.socketMessageEvent = 'MCU-demo';
connection.session = {
audio: true,
video: true,
broadcast: true
};
connection.sdpConstraints.mandatory = {
OfferToReceiveAudio: true,
OfferToReceiveVideo: true
};
connection.onstream = function(event) {
event.mediaElement.removeAttribute('src');
event.mediaElement.removeAttribute('srcObject');
if(connection.isInitiator === false) {
videoPreview.srcObject = event.stream;
}
if(connection.isInitiator === true && event.type === 'remote') {
mixer.appendStreams([event.stream]);
}
document.querySelector('h1').innerHTML = 'Maximum RTCPeerConnection objects: ' + connection.getAllParticipants().length;
};
function disableInputButtons() {
document.getElementById('open-or-join-room').disabled = true;
document.getElementById('open-room').disabled = true;
document.getElementById('join-room').disabled = true;
document.getElementById('room-id').disabled = true;
}
// ......................................................
// ......................Handling Room-ID................
// ......................................................
function showRoomURL(roomid) {
var roomHashURL = '#' + roomid;
var roomQueryStringURL = '?roomid=' + roomid;
var html = '<h2>Unique URL for your room:</h2><br>';
html += 'Hash URL: <a href="' + roomHashURL + '" target="_blank">' + roomHashURL + '</a>';
html += '<br>';
html += 'QueryString URL: <a href="' + roomQueryStringURL + '" target="_blank">' + roomQueryStringURL + '</a>';
var roomURLsDiv = document.getElementById('room-urls');
roomURLsDiv.innerHTML = html;
roomURLsDiv.style.display = 'block';
}
(function() {
var params = {},
r = /([^&=]+)=?([^&]*)/g;
function d(s) {
return decodeURIComponent(s.replace(/\+/g, ' '));
}
var match, search = window.location.search;
while (match = r.exec(search.substring(1)))
params[d(match[1])] = d(match[2]);
window.params = params;
})();
var roomid = '';
if (localStorage.getItem(connection.socketMessageEvent)) {
roomid = localStorage.getItem(connection.socketMessageEvent);
} else {
roomid = connection.token();
}
document.getElementById('room-id').value = roomid;
document.getElementById('room-id').onkeyup = function() {
localStorage.setItem(connection.socketMessageEvent, this.value);
};
var hashString = location.hash.replace('#', '');
if (hashString.length && hashString.indexOf('comment-') == 0) {
hashString = '';
}
var roomid = params.roomid;
if (!roomid && hashString.length) {
roomid = hashString;
}
if (roomid && roomid.length) {
document.getElementById('room-id').value = roomid;
localStorage.setItem(connection.socketMessageEvent, roomid);
// auto-join-room
(function reCheckRoomPresence() {
connection.checkPresence(roomid, function(isRoomExist) {
if (isRoomExist) {
document.getElementById('room-id').value = roomid;
document.getElementById('join-room').onclick();
return;
}
setTimeout(reCheckRoomPresence, 5000);
});
})();
disableInputButtons();
}
</script>
<section class="no-mobile">
<h2>iOS or Android</h2>
<p>
You can write <a href="http://www.rtcmulticonnection.org/docs/Write-iOS-Apps/" target="_blank">iOS</a> or <a href="http://www.rtcmulticonnection.org/docs/Write-Android-Apps/" target="_blank">Android</a> apps for this demo as well.
</p>
</section>
<footer>
<small id="send-message"></small>
</footer>
<script src="https://cdn.webrtc-experiment.com/common.js"></script>
</body>
</html>