463 lines
14 KiB
JavaScript
Executable File
463 lines
14 KiB
JavaScript
Executable File
var callback = function(message){console.log(message);}; // holds the user's callback for a global scope
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var callICEConnected = false;
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var callPurposefullyEnded = false; // used to determine whether the user ended the call or the call was ended from somewhere else outside
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var callTimeout = null; // function that will run if there is no call established
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var conferenceIdNumber = "1008";
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var conferenceUsername = "FreeSWITCH User";
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var toDisplayDisconnectCallback = true; // if a call is dropped only display the error the first time
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var voiceBridge = extension = "77054";
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var wasCallSuccessful = false; // when the websocket connection is closed this determines whether a call was ever successfully established
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// save a copy of the hangup function registered for the verto object
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var oldHangup = $.verto.prototype.hangup;
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// overwrite the verto hangup handler with my own handler
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$.verto.prototype.hangup = function(callID, userCallback) {
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console.log("call state callbacks - bye");
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if (userCallback) {
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callback = userCallback;
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}
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callActive = false;
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if (cur_call) {
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console.log('call ended ' + cur_call.audioStream.currentTime); // the duration of the call
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if (callPurposefullyEnded === true) { // the user ended the call themself
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callback({'status':'ended'});
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} else {
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callback({'status':'failed', 'errorcode': 1005}); // Call ended unexpectedly
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}
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clearTimeout(callTimeout);
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cur_call = null;
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} else {
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console.log('bye event already received');
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}
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// call the original hangup procedure
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return oldHangup.apply(this, arguments);
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}
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// main entry point to making a verto call
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function callIntoConference(voiceBridge, conferenceUsername, conferenceIdNumber, userCallback) {
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// stores the user's callback in the global scope
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if (userCallback) {
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callback = userCallback;
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}
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if(!isLoggedIntoVerto()) { // start the verto log in procedure
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// runs when a web socket is disconnected
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callbacks.onWSClose = function(v, success) {
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if(wasCallSuccessful) { // a call was established through the websocket
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if(toDisplayDisconnectCallback) { // will only display the error the first time
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// the connection was dropped in an already established call
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console.log("websocket disconnected");
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callback({'status':'failed', 'errorcode': 1001}); // WebSocket disconnected
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toDisplayDisconnectCallback = false;
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}
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} else {
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// this callback was triggered and a call was never successfully established
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console.log("websocket connection could not be established");
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callback({'status':'failed', 'errorcode': 1002}); // Could not make a WebSocket connection
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}
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}
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// runs when the websocket is successfully created
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callbacks.onWSLogin = function(v, success) {
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display("");
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cur_call = null;
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ringing = false;
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console.log("Inside onWSLogin");
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if (success) {
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online(true);
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console.log("starting call");
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toDisplayDisconnectCallback = true; // yes, display an error if the socket closes
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wasCallSuccessful = true; // yes, a call was successfully established through the websocket
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webrtc_call(voiceBridge, conferenceUsername, conferenceIdNumber, callback);
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if (!window.location.hash) {
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goto_page("main");
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}
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} else {
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callback({'status':'failed', 'errorcode': '10XX'}); // eror logging verto into freeswitch
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goto_page("main");
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goto_dialog("login-error");
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}
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}
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// set up verto
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$.verto.init({}, init);
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} else {
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console.log("already logged into verto, going straight to making a call");
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webrtc_call(voiceBridge, conferenceUsername, conferenceIdNumber, callback);
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}
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}
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function configStuns(callbacks, callback) {
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console.log("Fetching STUN/TURN server info for Verto initialization");
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var stunsConfig = {};
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$.ajax({
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dataType: 'json',
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url: '/bigbluebutton/api/stuns/'
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}).done(function(data) {
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console.log("ajax request done");
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console.log(data);
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stunsConfig['stunServers'] = ( data['stunServers'] ? data['stunServers'].map(function(data) {
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return {'url': data['url']};
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}) : [] );
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stunsConfig['turnServers'] = ( data['turnServers'] ? data['turnServers'].map(function(data) {
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return {
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'urls': data['url'],
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'username': data['username'],
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'credential': data['password']
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};
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}) : [] );
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stunsConfig = stunsConfig['stunServers'].concat(stunsConfig['turnServers']);
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console.log("success got stun data, making verto");
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makeVerto(callbacks, stunsConfig);
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}).fail(function(data, textStatus, errorThrown) {
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// BBBLog.error("Could not fetch stun/turn servers", {error: textStatus, user: callerIdName, voiceBridge: conferenceVoiceBridge});
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callback({'status':'failed', 'errorcode': 1009});
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return;
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});
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}
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function docall(extension, conferenceUsername, conferenceIdNumber, callbacks) {
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console.log(extension + ", " + conferenceUsername + ", " + conferenceIdNumber);
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$('#ext').trigger('change');
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if (cur_call) { // only allow for one call
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console.log("Quitting: Call already in progress");
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return;
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}
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//$("#main_info").html("Trying");
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//$("#vqual_hd").prop("checked", true)
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check_vid_res();
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outgoingBandwidth = "5120";
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incomingBandwidth = "5120";
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cur_call = verto.newCall({
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destination_number: extension,
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caller_id_name: conferenceUsername,
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caller_id_number: conferenceIdNumber,
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outgoingBandwidth: outgoingBandwidth,
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incomingBandwidth: incomingBandwidth,
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useVideo: true,
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useStereo: true,
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useCamera: true,
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useMic: true,
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dedEnc: false,
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mirrorInput: false,
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});
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if (callbacks != null) { // add user supplied callbacks to the current call
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cur_call.rtc.options.callbacks = $.extend(cur_call.rtc.options.callbacks, callbacks);
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}
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}
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// check if logged into verto by seeing if there is a ready websocket connection
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function isLoggedIntoVerto() {
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return (verto != null ? (ref = verto.rpcClient) != null ? ref.socketReady() : void 0 : void 0);
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}
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// overwrite and substitute my own init function
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init = function() {
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//$("#webcam").show();
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cur_call = null;
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share_call = null;
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$(".sharediv").show();
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$("#camdiv").show();
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//$("#use_vid").prop("checked", "true"); //use video by default
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incomingBandwidth = "default";
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vqual = "qvga";
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online(false);
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configStuns(callbacks, callback);
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}
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// checks whether Google Chrome or Firefox have the WebRTCPeerConnection object
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function isWebRTCAvailable() {
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return (typeof window.webkitRTCPeerConnection !== 'undefined' || typeof window.mozRTCPeerConnection !== 'undefined');
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}
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// exit point for conference
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function leaveWebRTCVoiceConference() {
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console.log("Leaving the voice conference");
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webrtc_hangup();
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}
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function make_call(voiceBridge, conferenceUsername, conferenceIdNumber, userCallback, server, recall) {
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if (userCallback) {
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callback = userCallback;
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}
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callPurposefullyEnded = false;
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// after 15 seconds if a call hasn't been established display error, hangup and logout of verto
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callTimeout = setTimeout(function() {
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console.log('Ten seconds without updates sending timeout code');
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callback({'status':'failed', 'errorcode': 1006}); // Failure on call
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if (verto != null) {
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verto.hangup();
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verto.logout();
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verto = null;
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}
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cur_call = null;
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}, 10000*1.5);
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var myRTCCallbacks = {
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onError: function(vertoErrorObject, errorMessage) {
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console.error("custom callback: onError");
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console.log("current verto");
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console.error(vertoErrorObject);
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console.error("ERROR:");
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console.error(errorMessage);
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if(errorMessage.name === "PermissionDeniedError") { // user denied access to media peripherals
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console.error("User denied permission/access to hardware");
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console.error("getUserMedia: failure - ", errorMessage);
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callback({'status': 'mediafail', 'cause': errorMessage});
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}
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cur_call.hangup({cause: "Device or Permission Error"});
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clearTimeout(callTimeout);
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},
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onICEComplete: function(self, candidate) { // ICE candidate negotiation is complete
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console.log("custom callback: onICEComplete");
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console.log('Received ICE status changed to completed');
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if (callICEConnected === false) {
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callICEConnected = true;
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if (callActive === true) {
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callback({'status':'started'});
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}
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clearTimeout(callTimeout);
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}
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},
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onStream: function(rtc, stream) { // call has been established
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console.log("getUserMicMedia: success");
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callback({'status':'mediasuccess'});
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console.log("custom callback: stream started");
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callActive = true;
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console.log('BigBlueButton call accepted');
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if (callICEConnected === true) {
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callback({'status':'started'});
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} else {
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callback({'status':'waitingforice'});
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}
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clearTimeout(callTimeout);
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}
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};
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if(isLoggedIntoVerto()) {
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console.log("Verto is logged into FreeSWITCH, socket is available, making call");
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callICEConnected = false;
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docall(voiceBridge, conferenceUsername, conferenceIdNumber, myRTCCallbacks);
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if(recall === false) {
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console.log('call connecting');
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callback({'status': 'connecting'});
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} else {
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console.log('call connecting again');
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}
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callback({'status':'mediarequest'});
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} else {
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console.error("Verto is NOT logged into FreeSWITCH, socket is NOT available, abandoning call request");
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}
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}
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function makeVerto(callbacks, stunsConfig) {
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var vertoPort = "8082";
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//var hostName = window.location.hostname;
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var hostName = "192.168.23.45";
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//var socketUrl = "ws://" + hostName + ":5066";
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var socketUrl = "wss://" + hostName + ":" + vertoPort;
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var login = "1008";
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var password = "fred";
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var minWidth = "320";
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var minHeight = "240";
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var maxWidth = "320";
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var maxHeight = "240";
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console.log("stuns info is");
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console.log(stunsConfig);
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//$("#vqual_hd").prop("checked", true);
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check_vid_res();
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// create verto object and log in
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verto = new $.verto({
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login: login,
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passwd: password,
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socketUrl: socketUrl,
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tag: "webcam",
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ringFile: "sounds/bell_ring2.wav",
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loginParams: {foo: true, bar: "yes"},
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videoParams: {
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"minWidth": minWidth,
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"minHeight": minHeight,
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"maxWidth": maxWidth,
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"maxHeight": maxHeight,
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},
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iceServers: stunsConfig, // use user supplied stun configuration
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// iceServers: true, // use stun, use default verto configuration
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}, callbacks);
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refresh_devices();
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}
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var RTCPeerConnectionCallbacks = {
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iceFailed: function(e) {
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console.log('received ice negotiation failed');
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callback({'status':'failed', 'errorcode': 1007}); // Failure on call
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cur_call = null;
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verto.hangup();
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verto = null;
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clearTimeout(callTimeout);
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}
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};
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function webrtc_call(voiceBridge, conferenceUsername, conferenceIdNumber, userCallback) {
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if (userCallback) {
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callback = userCallback;
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}
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console.log("webrtc_call\n"+voiceBridge + ", " + conferenceUsername + ", " + conferenceIdNumber + ", " + callback);
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if(!isWebRTCAvailable()) {
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callback({'status': 'failed', 'errorcode': 1003}); // Browser version not supported
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return;
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}
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var server = window.document.location.hostname;
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console.log("user " + conferenceUsername + " calling to " + voiceBridge);
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if (isLoggedIntoVerto()) {
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make_call(voiceBridge, conferenceUsername, conferenceIdNumber, callback, "", false);
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}
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}
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function webrtc_hangup(userCallback) {
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if (userCallback) {
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callback = userCallback;
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}
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callPurposefullyEnded = true;
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console.log("Hanging up current session");
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verto.hangup(false, callback);
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}
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// supplement my own that insert my own button and handler
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$(document).ready(function() {
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console.log("document ready");
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$("body").append("<button id='shareScreen' style='position:absolute; top:60px; left:0px; width:500px; height:30px;'>shareScreen</button>");
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//$("#joinAudio").click(function() {
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// wasCallSuccessful = false;
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// var debuggerCallback = function(message) {
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// console.log("CALLBACK: "+JSON.stringify(message));
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// }
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// callIntoConference(extension, conferenceUsername, conferenceIdNumber, debuggerCallback);
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//});
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//
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//$("#hangUp").click(function() {
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// console.log("hangup button");
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// leaveWebRTCVoiceConference();
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// cur_call = null;
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//});
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$("#shareScreen").click(function() {
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console.log("shareScreen button");
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screenStart(true, function(){});
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$("#shareScreen").hide();
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$("#stopScreen").show();
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});
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$("#stopScreen").click(function() {
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console.log("stopScreen button");
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screenStart(false, function(){});
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$("#shareScreen").show();
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$("#stopScreen").hide();
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});
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$("#stopScreen").hide();
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//$("#webcamPreview").click(function() {
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// doWebcamPreview();
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//});
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//
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//$("#desksharePreview").click(function() {
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// doDesksharePreview();
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//});
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});
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function doWebcamPreview() {
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// var hdConstraints = {
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// video: {
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// mandatory: {
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// minWidth: 1280,
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// minHeight: 720
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// }
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// }
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// };
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// var vgaConstraints = {
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// video: {
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// mandatory: {
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// maxWidth: 640,
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// maxHeight: 360
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// }
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// }
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// };
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var vgaConstraints = {
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"audio": false,
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"video": {
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"mandatory": {
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"minWidth": 320,
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"maxWidth": 320,
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"minHeight": 240,
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"maxHeight": 240,
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"minFrameRate": 30
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},
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"optional": []
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}
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};
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var hdConstraints = {
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"audio": false,
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"video": {
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"mandatory": {
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"minWidth": 1280,
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"maxWidth": 1280,
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"minHeight": 720,
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"maxHeight": 720,
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"minFrameRate": 30
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},
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"optional": []
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}
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};
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var maxConstraints = {
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"audio": false,
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"video": {
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"mandatory": {
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"maxWidth": screen.width > 1920 ? screen.width : 1920,
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"maxHeight": screen.height > 1080 ? screen.height : 1080,
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"minWidth": screen.width > 1920 ? screen.width : 1920,
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"maxWidth": screen.height > 1080 ? screen.height : 1080,
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"minFrameRate": 30
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},
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"optional": []
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}
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};
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//var screen_constraints = vgaConstraints;
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//var screen_constraints = hdConstraints;
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//console.log("screen constraints", screen_constraints)
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//navigator.getUserMedia = navigator.webkitGetUserMedia || navigator.mozGetUserMedia;
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//navigator.getUserMedia(screen_constraints, function(stream) {
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// var video = document.querySelector('video');
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// video.src = URL.createObjectURL(stream);
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// video.play();
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//}, function(error) {
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// return console.error(JSON.stringify(error, null, '\t'));
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//});
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}
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function checkSupport(callback) {
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if(!isWebRTCAvailable()) {
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callback({'status': 'failed', 'errorcode': 1003}); // Browser version not supported
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}
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if (!navigator.getUserMedia) {
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navigator.getUserMedia = navigator.getUserMedia || navigator.webkitGetUserMedia || navigator.mozGetUserMedia || navigator.msGetUserMedia;
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}
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if (!navigator.getUserMedia){
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callback({'status': 'failed', 'errorcode': '10XX'}); // getUserMedia not supported in this browser
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}
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}
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