472 lines
14 KiB
HTML
472 lines
14 KiB
HTML
<!DOCTYPE html>
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<html lang="en" dir="ltr">
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<head>
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<meta charset="utf-8">
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<title>Video Conferencing using RTCMultiConnection</title>
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<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0">
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<base href="/kevin-master">
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<link rel="stylesheet" href="/assets/css/stylesheet.css">
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</head>
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<body>
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<h1>
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Video Conferencing using RTCMultiConnection
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<p class="no-mobile">
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Multi-user (many-to-many) video chat using mesh networking model.
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</p>
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</h1>
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<section class="make-center">
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<div>
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<label><input type="checkbox" id="record-entire-conference"> Record Entire Conference In The Browser?</label>
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<span id="recording-status" style="display: none;"></span>
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<button id="btn-stop-recording" style="display: none;">Stop Recording</button>
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<br><br>
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<input type="text" id="room-id" value="abcdef" autocorrect=off autocapitalize=off size=20>
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<button id="open-room">Open Room</button>
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<button id="join-room">Join Room</button>
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<button id="view-room">View Room</button>
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<button id="open-or-join-room">Auto Open Or Join Room</button>
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</div>
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<div id="videos-container" style="margin: 20px 0;"></div>
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<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>
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</section>
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<script src="assets/js/RTCMultiConnection.js"></script>
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<script src="assets/js/adapter.js"></script>
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<script src="/socket.io/socket.io.js"></script>
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<!-- custom layout for HTML5 audio/video elements -->
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<link rel="stylesheet" href="assets/css/getHTMLMediaElement.css">
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<script src="assets/js/getHTMLMediaElement.js"></script>
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<script src="assets/js/RecordRTC.js"></script>
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<script>
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// ......................................................
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// .......................UI Code........................
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// ......................................................
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document.getElementById('open-room').onclick = function() {
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disableInputButtons();
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connection.open(document.getElementById('room-id').value, function(isRoomOpened, roomid, error) {
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if(isRoomOpened === true) {
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showRoomURL(connection.sessionid);
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}
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else {
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disableInputButtons(true);
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if(error === 'Room not available') {
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alert('Someone already created this room. Please either join or create a separate room.');
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return;
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}
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alert(error);
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}
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});
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};
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document.getElementById('join-room').onclick = function() {
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disableInputButtons();
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connection.join(document.getElementById('room-id').value, function(isJoinedRoom, roomid, error) {
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if (error) {
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disableInputButtons(true);
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if(error === 'Room not available') {
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alert('This room does not exist. Please either create it or wait for moderator to enter in the room.');
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return;
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}
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alert(error);
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}
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});
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};
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document.getElementById('view-room').onclick = function() {
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disableInputButtons();
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connection.sdpConstraints.mandatory = {
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OfferToReceiveAudio: true,
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OfferToReceiveVideo: true
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};
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connection.session = {
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audio: true,
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video: true,
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oneway: true
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};
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connection.join(document.getElementById('room-id').value, function(isJoinedRoom, roomid, error) {
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if (error) {
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disableInputButtons(true);
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if(error === 'Room not available') {
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alert('This room does not exist. Please either create it or wait for moderator to enter in the room.');
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return;
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}
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alert(error);
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}
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});
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};
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document.getElementById('open-or-join-room').onclick = function() {
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disableInputButtons();
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connection.openOrJoin(document.getElementById('room-id').value, function(isRoomExist, roomid, error) {
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if(error) {
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disableInputButtons(true);
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alert(error);
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}
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else if (connection.isInitiator === true) {
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// if room doesn't exist, it means that current user will create the room
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showRoomURL(roomid);
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}
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});
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};
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// ......................................................
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// ..................RTCMultiConnection Code.............
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// ......................................................
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var connection = new RTCMultiConnection();
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connection.socketURL = 'https://kevin.c3voc.de/';
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connection.socketMessageEvent = 'rC3-VOCcast';
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connection.session = {
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audio: true,
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video: true,
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//oneway: true
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};
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connection.sdpConstraints.mandatory = {
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OfferToReceiveAudio: true,
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OfferToReceiveVideo: true
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};
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// STAR_FIX_VIDEO_AUTO_PAUSE_ISSUES
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// via: https://github.com/muaz-khan/RTCMultiConnection/issues/778#issuecomment-524853468
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var bitrates = 512;
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var resolutions = 'Ultra-HD';
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var videoConstraints = {};
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if (resolutions == 'HD') {
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videoConstraints = {
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width: {
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ideal: 1280
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},
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height: {
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ideal: 720
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},
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frameRate: 30
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};
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}
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if (resolutions == 'Ultra-HD') {
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videoConstraints = {
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width: {
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ideal: 1920
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},
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height: {
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ideal: 1080
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},
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frameRate: 30
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};
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}
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connection.mediaConstraints = {
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video: videoConstraints,
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audio: true
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};
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var CodecsHandler = connection.CodecsHandler;
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connection.processSdp = function(sdp) {
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var codecs = 'vp8';
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if (codecs.length) {
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sdp = CodecsHandler.preferCodec(sdp, codecs.toLowerCase());
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}
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if (resolutions == 'HD') {
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sdp = CodecsHandler.setApplicationSpecificBandwidth(sdp, {
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audio: 128,
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video: bitrates,
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screen: bitrates
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});
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sdp = CodecsHandler.setVideoBitrates(sdp, {
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min: bitrates * 8 * 1024,
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max: bitrates * 8 * 1024,
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});
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}
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if (resolutions == 'Ultra-HD') {
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sdp = CodecsHandler.setApplicationSpecificBandwidth(sdp, {
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audio: 128,
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video: bitrates,
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screen: bitrates
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});
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sdp = CodecsHandler.setVideoBitrates(sdp, {
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min: bitrates * 8 * 1024,
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max: bitrates * 8 * 1024,
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});
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}
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return sdp;
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};
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// END_FIX_VIDEO_AUTO_PAUSE_ISSUES
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// https://www.rtcmulticonnection.org/docs/iceServers/
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// use your own TURN-server here!
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connection.iceServers = [];
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connection.iceServers.push({
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'urls': 'stun:stun.franconian.net:3478',
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});
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connection.iceServers.push({
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'urls': 'turn:stun.franconian.net:3478',
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'credential': 'ec0WlmT6lj0p4ou8XFAV66nTDopm9JPra3TnIIkxUM1VaqwAzTtoFqbXVeOoFsdU',
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'username': 'turnuser',
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});
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connection.videosContainer = document.getElementById('videos-container');
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connection.onstream = function(event) {
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var existing = document.getElementById(event.streamid);
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if(existing && existing.parentNode) {
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existing.parentNode.removeChild(existing);
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}
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event.mediaElement.removeAttribute('src');
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event.mediaElement.removeAttribute('srcObject');
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event.mediaElement.muted = true;
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event.mediaElement.volume = 0;
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var video = document.createElement('video');
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try {
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video.setAttributeNode(document.createAttribute('autoplay'));
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video.setAttributeNode(document.createAttribute('playsinline'));
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} catch (e) {
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video.setAttribute('autoplay', true);
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video.setAttribute('playsinline', true);
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}
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if(event.type === 'local') {
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video.volume = 0;
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try {
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video.setAttributeNode(document.createAttribute('muted'));
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} catch (e) {
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video.setAttribute('muted', true);
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}
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}
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video.srcObject = event.stream;
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var width = parseInt(connection.videosContainer.clientWidth / 3) - 20;
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var mediaElement = getHTMLMediaElement(video, {
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title: event.userid,
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buttons: ['full-screen'],
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width: width,
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showOnMouseEnter: false
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});
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connection.videosContainer.appendChild(mediaElement);
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setTimeout(function() {
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mediaElement.media.play();
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}, 5000);
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mediaElement.id = event.streamid;
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// to keep room-id in cache
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localStorage.setItem(connection.socketMessageEvent, connection.sessionid);
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chkRecordConference.parentNode.style.display = 'none';
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if(chkRecordConference.checked === true) {
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btnStopRecording.style.display = 'inline-block';
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recordingStatus.style.display = 'inline-block';
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var recorder = connection.recorder;
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if(!recorder) {
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recorder = RecordRTC([event.stream], {
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type: 'video'
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});
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recorder.startRecording();
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connection.recorder = recorder;
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}
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else {
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recorder.getInternalRecorder().addStreams([event.stream]);
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}
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if(!connection.recorder.streams) {
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connection.recorder.streams = [];
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}
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connection.recorder.streams.push(event.stream);
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recordingStatus.innerHTML = 'Recording ' + connection.recorder.streams.length + ' streams';
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}
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if(event.type === 'local') {
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connection.socket.on('disconnect', function() {
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if(!connection.getAllParticipants().length) {
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location.reload();
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}
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});
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}
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};
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var recordingStatus = document.getElementById('recording-status');
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var chkRecordConference = document.getElementById('record-entire-conference');
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var btnStopRecording = document.getElementById('btn-stop-recording');
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btnStopRecording.onclick = function() {
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var recorder = connection.recorder;
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if(!recorder) return alert('No recorder found.');
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recorder.stopRecording(function() {
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var blob = recorder.getBlob();
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invokeSaveAsDialog(blob);
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connection.recorder = null;
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btnStopRecording.style.display = 'none';
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recordingStatus.style.display = 'none';
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chkRecordConference.parentNode.style.display = 'inline-block';
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});
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};
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connection.onstreamended = function(event) {
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var mediaElement = document.getElementById(event.streamid);
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if (mediaElement) {
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mediaElement.parentNode.removeChild(mediaElement);
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}
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};
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connection.onMediaError = function(e) {
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if (e.message === 'Concurrent mic process limit.') {
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if (DetectRTC.audioInputDevices.length <= 1) {
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alert('Please select external microphone. Check github issue number 483.');
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return;
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}
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var secondaryMic = DetectRTC.audioInputDevices[1].deviceId;
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connection.mediaConstraints.audio = {
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deviceId: secondaryMic
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};
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connection.join(connection.sessionid);
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}
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};
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// ..................................
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// ALL below scripts are redundant!!!
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// ..................................
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function disableInputButtons(enable) {
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document.getElementById('room-id').onkeyup();
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document.getElementById('open-or-join-room').disabled = !enable;
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document.getElementById('open-room').disabled = !enable;
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document.getElementById('join-room').disabled = !enable;
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document.getElementById('view-room').disabled = !enable;
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document.getElementById('room-id').disabled = !enable;
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}
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// ......................................................
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// ......................Handling Room-ID................
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// ......................................................
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function showRoomURL(roomid) {
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var roomHashURL = '#' + roomid;
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var roomQueryStringURL = '?roomid=' + roomid;
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var roomViewQueryStringURL = '?action=view&roomid=' + roomid;
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var html = '<h2>Unique URL for your room:</h2><br>';
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html += 'Hash URL: <a href="' + roomHashURL + '" target="_blank">' + roomHashURL + '</a>';
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html += '<br>';
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html += 'Join URL: <a href="' + roomQueryStringURL + '" target="_blank">' + roomQueryStringURL + '</a>';
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html += '<br>';
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html += 'View URL: <a href="' + roomViewQueryStringURL + '" target="_blank">' + roomViewQueryStringURL + '</a>';
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var roomURLsDiv = document.getElementById('room-urls');
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roomURLsDiv.innerHTML = html;
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roomURLsDiv.style.display = 'block';
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}
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(function() {
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var params = {},
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r = /([^&=]+)=?([^&]*)/g;
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function d(s) {
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return decodeURIComponent(s.replace(/\+/g, ' '));
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}
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var match, search = window.location.search;
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while (match = r.exec(search.substring(1)))
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params[d(match[1])] = d(match[2]);
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window.params = params;
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console.log(params);
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})();
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var roomid = '';
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if (localStorage.getItem(connection.socketMessageEvent)) {
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roomid = localStorage.getItem(connection.socketMessageEvent);
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} else {
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roomid = connection.token();
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}
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var txtRoomId = document.getElementById('room-id');
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txtRoomId.value = roomid;
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txtRoomId.onkeyup = txtRoomId.oninput = txtRoomId.onpaste = function() {
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localStorage.setItem(connection.socketMessageEvent, document.getElementById('room-id').value);
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};
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var hashString = location.hash.replace('#', '');
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if (hashString.length && hashString.indexOf('comment-') == 0) {
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hashString = '';
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}
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var roomid = params.roomid;
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if (!roomid && hashString.length) {
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roomid = hashString;
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}
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var action = params.action
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if (roomid && roomid.length) {
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document.getElementById('room-id').value = roomid;
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localStorage.setItem(connection.socketMessageEvent, roomid);
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// auto-join-room
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(function reCheckRoomPresence() {
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connection.checkPresence(roomid, function(isRoomExist) {
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if (isRoomExist) {
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if (action && action == 'view') {
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connection.sdpConstraints.mandatory = {
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OfferToReceiveAudio: true,
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OfferToReceiveVideo: true
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};
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connection.session = {
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audio: true,
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video: true,
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oneway: true
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};
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connection.join(roomid);
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return;
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} else {
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connection.join(roomid);
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return;
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}
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}
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setTimeout(reCheckRoomPresence, 5000);
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});
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})();
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disableInputButtons();
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}
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// detect 2G
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if(navigator.connection &&
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navigator.connection.type === 'cellular' &&
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navigator.connection.downlinkMax <= 0.115) {
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alert('2G is not supported. Please use a better internet service.');
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}
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</script>
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</body>
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</html>
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