/*
* Verto HTML5/Javascript Telephony Signaling and Control Protocol Stack for FreeSWITCH
* Copyright (C) 2005-2014, Anthony Minessale II <anthm@freeswitch.org>
*
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Verto HTML5/Javascript Telephony Signaling and Control Protocol Stack for FreeSWITCH
*
* The Initial Developer of the Original Code is
* Anthony Minessale II <anthm@freeswitch.org>
* Portions created by the Initial Developer are Copyright (C)
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Anthony Minessale II <anthm@freeswitch.org>
*
* jquery.FSRTC.js - WebRTC Glue code
*
*/
(function($) {
// Find the line in sdpLines that starts with |prefix|, and, if specified,
// contains |substr| (case-insensitive search).
function findLine(sdpLines, prefix, substr) {
return findLineInRange(sdpLines, 0, -1, prefix, substr);
}
// Find the line in sdpLines[startLine...endLine - 1] that starts with |prefix|
// and, if specified, contains |substr| (case-insensitive search).
function findLineInRange(sdpLines, startLine, endLine, prefix, substr) {
var realEndLine = (endLine != -1) ? endLine : sdpLines.length;
for (var i = startLine; i < realEndLine; ++i) {
if (sdpLines[i].indexOf(prefix) === 0) {
if (!substr || sdpLines[i].toLowerCase().indexOf(substr.toLowerCase()) !== -1) {
return i;
}
}
}
return null;
}
// Gets the codec payload type from an a=rtpmap:X line.
function getCodecPayloadType(sdpLine) {
var pattern = new RegExp('a=rtpmap:(\\d+) \\w+\\/\\d+');
var result = sdpLine.match(pattern);
return (result && result.length == 2) ? result[1] : null;
}
// Returns a new m= line with the specified codec as the first one.
function setDefaultCodec(mLine, payload) {
var elements = mLine.split(' ');
var newLine = [];
var index = 0;
for (var i = 0; i < elements.length; i++) {
if (index === 3) { // Format of media starts from the fourth.
newLine[index++] = payload; // Put target payload to the first.
}
if (elements[i] !== payload) newLine[index++] = elements[i];
}
return newLine.join(' ');
}
$.FSRTC = function(options) {
this.options = $.extend({
useVideo: null,
useStereo: false,
userData: null,
localVideo: null,
screenShare: false,
useCamera: "any",
iceServers: false,
videoParams: {},
audioParams: {},
callbacks: {
onICEComplete: function() {},
onICE: function() {},
onOfferSDP: function() {}
},
useStream: null,
}, options);
this.audioEnabled = true;
this.videoEnabled = true;
this.mediaData = {
SDP: null,
profile: {},
candidateList: []
};
this.constraints = {
offerToReceiveAudio: this.options.useSpeak === "none" ? false : true,
offerToReceiveVideo: this.options.useVideo ? true : false,
};
if (self.options.useVideo) {
self.options.useVideo.style.display = 'none';
}
setCompat();
checkCompat();
};
$.FSRTC.validRes = [];
$.FSRTC.prototype.useVideo = function(obj, local) {
var self = this;
if (obj) {
self.options.useVideo = obj;
self.options.localVideo = local;
self.constraints.offerToReceiveVideo = true;
} else {
self.options.useVideo = null;
self.options.localVideo = null;
self.constraints.offerToReceiveVideo = false;
}
if (self.options.useVideo) {
self.options.useVideo.style.display = 'none';
}
};
$.FSRTC.prototype.useStereo = function(on) {
var self = this;
self.options.useStereo = on;
};
// Sets Opus in stereo if stereo is enabled, by adding the stereo=1 fmtp param.
$.FSRTC.prototype.stereoHack = function(sdp) {
var self = this;
if (!self.options.useStereo) {
return sdp;
}
var sdpLines = sdp.split('\r\n');
// Find opus payload.
var opusIndex = findLine(sdpLines, 'a=rtpmap', 'opus/48000'), opusPayload;
if (!opusIndex) {
return sdp;
} else {
opusPayload = getCodecPayloadType(sdpLines[opusIndex]);
}
// Find the payload in fmtp line.
var fmtpLineIndex = findLine(sdpLines, 'a=fmtp:' + opusPayload.toString());
if (fmtpLineIndex === null) {
// create an fmtp line
sdpLines[opusIndex] = sdpLines[opusIndex] + '\r\na=fmtp:' + opusPayload.toString() + " stereo=1; sprop-stereo=1"
} else {
// Append stereo=1 to fmtp line.
sdpLines[fmtpLineIndex] = sdpLines[fmtpLineIndex].concat('; stereo=1; sprop-stereo=1');
}
sdp = sdpLines.join('\r\n');
return sdp;
};
function setCompat() {
}
function checkCompat() {
return true;
}
function onStreamError(self, e) {
console.log('There has been a problem retrieving the streams - did you allow access? Check Device Resolution', e);
doCallback(self, "onError", e);
}
function onStreamSuccess(self, stream) {
console.log("Stream Success");
doCallback(self, "onStream", stream);
}
function onRemoteStreamSuccess(self, stream) {
console.log("Remote Stream Success");
doCallback(self, "onRemoteStream", stream);
}
function onICE(self, candidate) {
self.mediaData.candidate = candidate;
self.mediaData.candidateList.push(self.mediaData.candidate);
doCallback(self, "onICE");
}
function doCallback(self, func, arg) {
if (func in self.options.callbacks) {
self.options.callbacks[func](self, arg);
}
}
function onICEComplete(self, candidate) {
console.log("ICE Complete");
doCallback(self, "onICEComplete");
}
function onChannelError(self, e) {
console.error("Channel Error", e);
doCallback(self, "onError", e);
}
function onICESDP(self, sdp) {
self.mediaData.SDP = self.stereoHack(sdp.sdp);
console.log("ICE SDP");
doCallback(self, "onICESDP");
}
function onAnswerSDP(self, sdp) {
self.answer.SDP = self.stereoHack(sdp.sdp);
console.log("ICE ANSWER SDP");
doCallback(self, "onAnswerSDP", self.answer.SDP);
}
function onMessage(self, msg) {
console.log("Message");
doCallback(self, "onICESDP", msg);
}
FSRTCattachMediaStream = function(element, stream) {
if (typeof element.srcObject !== 'undefined') {
element.srcObject = stream;
} else {
console.error('Error attaching stream to element.');
}
}
function onRemoteStream(self, stream) {
if (self.options.useVideo) {
self.options.useVideo.style.display = 'block';
// Hacks for Mobile Safari
var iOS = ['iPad', 'iPhone', 'iPod'].indexOf(navigator.platform) >= 0;
if (iOS) {
self.options.useVideo.setAttribute("playsinline", true);
}
}
var element = self.options.useAudio;
console.log("REMOTE STREAM", stream, element);
FSRTCattachMediaStream(element, stream);
//self.options.useAudio.play();
self.remoteStream = stream;
onRemoteStreamSuccess(self, stream);
}
function onOfferSDP(self, sdp) {
self.mediaData.SDP = self.stereoHack(sdp.sdp);
console.log("Offer SDP");
doCallback(self, "onOfferSDP");
}
$.FSRTC.prototype.answer = function(sdp, onSuccess, onError) {
this.peer.addAnswerSDP({
type: "answer",
sdp: sdp
},
onSuccess, onError);
};
$.FSRTC.prototype.stopPeer = function() {
if (self.peer) {
console.log("stopping peer");
self.peer.stop();
}
}
$.FSRTC.prototype.stop = function() {
var self = this;
if (self.options.useVideo) {
self.options.useVideo.style.display = 'none';
self.options.useVideo['src'] = '';
}
if (self.localStream && !self.options.useStream) {
if(typeof self.localStream.stop == 'function') {
self.localStream.stop();
} else {
if (self.localStream.active){
var tracks = self.localStream.getTracks();
console.log(tracks);
tracks.forEach(function(track, index){
console.log(track);
track.stop();
})
}
}
self.localStream = null;
}
if (self.options.localVideo) {
deactivateLocalVideo(self.options.localVideo);
}
if (self.options.localVideoStream && !self.options.useStream) {
if(typeof self.options.localVideoStream.stop == 'function') {
self.options.localVideoStream.stop();
} else {
if (self.options.localVideoStream.active){
var tracks = self.options.localVideoStream.getTracks();
console.log(tracks);
tracks.forEach(function(track, index){
console.log(track);
track.stop();
})
}
}
}
if (self.peer) {
console.log("stopping peer");
self.peer.stop();
}
};
$.FSRTC.prototype.getMute = function() {
var self = this;
return self.audioEnabled;
}
$.FSRTC.prototype.setMute = function(what) {
var self = this;
if (!self.localStream) {
return false;
}
var audioTracks = self.localStream.getAudioTracks();
for (var i = 0, len = audioTracks.length; i < len; i++ ) {
switch(what) {
case "on":
audioTracks[i].enabled = true;
break;
case "off":
audioTracks[i].enabled = false;
break;
case "toggle":
audioTracks[i].enabled = !audioTracks[i].enabled;
default:
break;
}
self.audioEnabled = audioTracks[i].enabled;
}
return !self.audioEnabled;
}
$.FSRTC.prototype.getVideoMute = function() {
var self = this;
return self.videoEnabled;
}
$.FSRTC.prototype.setVideoMute = function(what) {
var self = this;
if (!self.localStream) {
return false;
}
var videoTracks = self.localStream.getVideoTracks();
for (var i = 0, len = videoTracks.length; i < len; i++ ) {
switch(what) {
case "on":
videoTracks[i].enabled = true;
break;
case "off":
videoTracks[i].enabled = false;
break;
case "toggle":
videoTracks[i].enabled = !videoTracks[i].enabled;
default:
break;
}
self.videoEnabled = videoTracks[i].enabled;
}
return !self.videoEnabled;
}
$.FSRTC.prototype.createAnswer = function(params) {
var self = this;
self.type = "answer";
self.remoteSDP = params.sdp;
console.debug("inbound sdp: ", params.sdp);
function onSuccess(stream) {
self.localStream = stream;
self.peer = FSRTCPeerConnection({
type: self.type,
attachStream: self.localStream,
onICE: function(candidate) {
return onICE(self, candidate);
},
onICEComplete: function() {
return onICEComplete(self);
},
onRemoteStream: function(stream) {
return onRemoteStream(self, stream);
},
onICESDP: function(sdp) {
return onICESDP(self, sdp);
},
onChannelError: function(e) {
return onChannelError(self, e);
},
constraints: self.constraints,
iceServers: self.options.iceServers,
offerSDP: {
type: "offer",
sdp: self.remoteSDP
},
turnServer: self.options.turnServer
});
onStreamSuccess(self, stream);
}
function onError(e) {
onStreamError(self, e);
}
var mediaParams = getMediaParams(self);
console.log("Audio constraints", mediaParams.audio);
console.log("Video constraints", mediaParams.video);
if (self.options.useVideo && self.options.localVideo && !self.options.useStream) {
getUserMedia({
constraints: {
audio: false,
video: { deviceId: params.useCamera },
},
localVideo: self.options.localVideo,
onsuccess: function(e) {self.options.localVideoStream = e; console.log("local video ready");},
onerror: function(e) {console.error("local video error!");}
});
}
if (self.options.useStream) {
if (self.options.useVideo) {
self.options.localVideoStream = self.options.useStream;
if (self.options.localVideo) {
activateLocalVideo(self.options.localVideo, self.options.useStream);
}
}
onSuccess(self.options.useStream);
}
else {
getUserMedia({
constraints: {
audio: mediaParams.audio,
video: mediaParams.video
},
video: mediaParams.useVideo,
onsuccess: onSuccess,
onerror: onError
});
}
};
function getMediaParams(obj) {
var audio;
if (obj.options.useMic && obj.options.useMic === "none") {
console.log("Microphone Disabled");
audio = false;
} else if (obj.options.videoParams && obj.options.screenShare) {//obj.options.videoParams.chromeMediaSource == 'desktop') {
console.error("SCREEN SHARE", obj.options.videoParams);
audio = false;
} else {
audio = {
};
if (obj.options.audioParams) {
audio = obj.options.audioParams;
}
if (obj.options.useMic !== "any") {
//audio.optional = [{sourceId: obj.options.useMic}];
audio.deviceId = {exact: obj.options.useMic};
}
}
if (obj.options.useVideo && obj.options.localVideo && !obj.options.useStream) {
getUserMedia({
constraints: {
audio: false,
video: { deviceId: obj.options.useCamera },
},
localVideo: obj.options.localVideo,
onsuccess: function(e) {obj.options.localVideoStream = e; console.log("local video ready");},
onerror: function(e) {console.error("local video error!");}
});
}
var video = {};
var bestFrameRate = obj.options.videoParams.vertoBestFrameRate;
var minFrameRate = obj.options.videoParams.minFrameRate || 15;
delete obj.options.videoParams.vertoBestFrameRate;
if (obj.options.screenShare) {
if (!obj.options.useCamera && !!navigator.mozGetUserMedia) {
//This is an issue, only FireFox needs to ask this additional question if its screen or window we need a better way
var dowin = window.confirm("Do you want to share an application window? If not you can share an entire screen.");
video = {
width: {min: obj.options.videoParams.minWidth, max: obj.options.videoParams.maxWidth},
height: {min: obj.options.videoParams.minHeight, max: obj.options.videoParams.maxHeight},
mediaSource: dowin ? "window" : "screen"
}
} else {
var opt = [];
if (obj.options.useCamera) {
opt.push({sourceId: obj.options.useCamera});
}
if (bestFrameRate) {
opt.push({minFrameRate: bestFrameRate});
opt.push({maxFrameRate: bestFrameRate});
}
video = {
mandatory: obj.options.videoParams,
optional: opt
};
// NOTE: This is a workaround for
// https://bugs.chromium.org/p/chromium/issues/detail?id=862325
if (!!navigator.userAgent.match(/Android/i)) {
delete video.frameRate.min;
}
}
} else {
video = {
//mandatory: obj.options.videoParams,
width: {min: obj.options.videoParams.minWidth, max: obj.options.videoParams.maxWidth},
height: {min: obj.options.videoParams.minHeight, max: obj.options.videoParams.maxHeight}
};
var useVideo = obj.options.useVideo;
if (useVideo && obj.options.useCamera && obj.options.useCamera !== "none") {
//if (!video.optional) {
//video.optional = [];
//}
if (obj.options.useCamera !== "any") {
//video.optional.push({sourceId: obj.options.useCamera});
video.deviceId = {
exact: obj.options.useCamera,
};
}
if (bestFrameRate) {
//video.optional.push({minFrameRate: bestFrameRate});
//video.optional.push({maxFrameRate: bestFrameRate});
video.frameRate = {ideal: bestFrameRate, min: minFrameRate, max: 30};
}
} else {
console.log("Camera Disabled");
video = false;
useVideo = false;
}
}
return {audio: audio, video: video, useVideo: useVideo};
}
$.FSRTC.prototype.call = function(profile) {
checkCompat();
var self = this;
var screen = false;
self.type = "offer";
if (self.options.videoParams && self.options.screenShare) { //self.options.videoParams.chromeMediaSource == 'desktop') {
screen = true;
}
function onSuccess(stream) {
self.localStream = stream;
if (screen) {
self.constraints.offerToReceiveVideo = false;
self.constraints.offerToReceiveAudio = false;
self.constraints.offerToSendAudio = false;
}
self.peer = FSRTCPeerConnection({
type: self.type,
attachStream: self.localStream,
onICE: function(candidate) {
return onICE(self, candidate);
},
onICEComplete: function() {
return onICEComplete(self);
},
onRemoteStream: screen ? function(stream) {} : function(stream) {
return onRemoteStream(self, stream);
},
onOfferSDP: function(sdp) {
return onOfferSDP(self, sdp);
},
onICESDP: function(sdp) {
return onICESDP(self, sdp);
},
onChannelError: function(e) {
return onChannelError(self, e);
},
constraints: self.constraints,
iceServers: self.options.iceServers,
turnServer: self.options.turnServer
});
onStreamSuccess(self, stream);
}
function onError(e) {
onStreamError(self, e);
}
var mediaParams = getMediaParams(self);
console.log("Audio constraints", mediaParams.audio);
console.log("Video constraints", mediaParams.video);
if (self.options.useStream) {
if (self.options.useVideo) {
self.options.localVideoStream = self.options.useStream;
if (self.options.localVideo) {
activateLocalVideo(self.options.localVideo, self.options.useStream);
}
}
onSuccess(self.options.useStream);
}
else if (mediaParams.audio || mediaParams.video) {
getUserMedia({
constraints: {
audio: mediaParams.audio,
video: mediaParams.video
},
video: mediaParams.useVideo,
onsuccess: onSuccess,
onerror: onError
});
} else {
onSuccess(null);
}
/*
navigator.getUserMedia({
video: self.options.useVideo,
audio: true
}, onSuccess, onError);
*/
};
// DERIVED from RTCPeerConnection-v1.5
// 2013, @muazkh - github.com/muaz-khan
// MIT License - https://www.webrtc-experiment.com/licence/
// Documentation - https://github.com/muaz-khan/WebRTC-Experiment/tree/master/RTCPeerConnection
function FSRTCPeerConnection(options) {
var gathering = false, done = false;
var config = {};
var default_ice = [{ urls: ['stun:stun.l.google.com:19302'] }];
if (self.options.turnServer) {
default_ice.push(self.options.turnServer)
}
if (options.iceServers) {
if (typeof(options.iceServers) === "boolean") {
config.iceServers = default_ice;
} else {
config.iceServers = options.iceServers;
}
}
config.bundlePolicy = "max-compat";
var peer = new window.RTCPeerConnection(config);
openOffererChannel();
var x = 0;
function ice_handler() {
done = true;
gathering = null;
if (options.onICEComplete) {
options.onICEComplete();
}
if (options.type == "offer") {
options.onICESDP(peer.localDescription);
} else {
if (!x && options.onICESDP) {
options.onICESDP(peer.localDescription);
}
}
}
peer.onicecandidate = function(event) {
if (done) {
return;
}
if (!gathering) {
gathering = setTimeout(ice_handler, 1000);
}
if (event) {
if (event.candidate) {
options.onICE(event.candidate);
}
} else {
done = true;
if (gathering) {
clearTimeout(gathering);
gathering = null;
}
ice_handler();
}
};
// attachStream = MediaStream;
if (options.attachStream) peer.addStream(options.attachStream);
// attachStreams[0] = audio-stream;
// attachStreams[1] = video-stream;
// attachStreams[2] = screen-capturing-stream;
if (options.attachStreams && options.attachStream.length) {
var streams = options.attachStreams;
for (var i = 0; i < streams.length; i++) {
peer.addStream(streams[i]);
}
}
peer.onaddstream = function(event) {
var remoteMediaStream = event.stream;
// onRemoteStreamEnded(MediaStream)
remoteMediaStream.oninactive = function () {
if (options.onRemoteStreamEnded) options.onRemoteStreamEnded(remoteMediaStream);
};
// onRemoteStream(MediaStream)
if (options.onRemoteStream) options.onRemoteStream(remoteMediaStream);
//console.debug('on:add:stream', remoteMediaStream);
};
//var constraints = options.constraints || {
// offerToReceiveAudio: true,
//offerToReceiveVideo: true
//};
// onOfferSDP(RTCSessionDescription)
function createOffer() {
if (!options.onOfferSDP) return;
peer.createOffer(function(sessionDescription) {
sessionDescription.sdp = serializeSdp(sessionDescription.sdp);
peer.setLocalDescription(sessionDescription);
options.onOfferSDP(sessionDescription);
},
onSdpError, options.constraints);
}
// onAnswerSDP(RTCSessionDescription)
function createAnswer() {
if (options.type != "answer") return;
//options.offerSDP.sdp = addStereo(options.offerSDP.sdp);
peer.setRemoteDescription(new window.RTCSessionDescription(options.offerSDP), onSdpSuccess, onSdpError);
peer.createAnswer(function(sessionDescription) {
sessionDescription.sdp = serializeSdp(sessionDescription.sdp);
peer.setLocalDescription(sessionDescription);
if (options.onAnswerSDP) {
options.onAnswerSDP(sessionDescription);
}
},
onSdpError);
}
if ((options.onChannelMessage) || !options.onChannelMessage) {
createOffer();
createAnswer();
}
// DataChannel Bandwidth
function setBandwidth(sdp) {
// remove existing bandwidth lines
sdp = sdp.replace(/b=AS([^\r\n]+\r\n)/g, '');
sdp = sdp.replace(/a=mid:data\r\n/g, 'a=mid:data\r\nb=AS:1638400\r\n');
return sdp;
}
// old: FF<>Chrome interoperability management
function getInteropSDP(sdp) {
var chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'.split(''),
extractedChars = '';
function getChars() {
extractedChars += chars[parseInt(Math.random() * 40)] || '';
if (extractedChars.length < 40) getChars();
return extractedChars;
}
// usually audio-only streaming failure occurs out of audio-specific crypto line
// a=crypto:1 AES_CM_128_HMAC_SHA1_32 --------- kAttributeCryptoVoice
if (options.onAnswerSDP) sdp = sdp.replace(/(a=crypto:0 AES_CM_128_HMAC_SHA1_32)(.*?)(\r\n)/g, '');
// video-specific crypto line i.e. SHA1_80
// a=crypto:1 AES_CM_128_HMAC_SHA1_80 --------- kAttributeCryptoVideo
var inline = getChars() + '\r\n' + (extractedChars = '');
sdp = sdp.indexOf('a=crypto') == -1 ? sdp.replace(/c=IN/g, 'a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:' + inline + 'c=IN') : sdp;
return sdp;
}
function serializeSdp(sdp) {
return sdp;
}
// DataChannel management
var channel;
function openOffererChannel() {
if (!options.onChannelMessage) return;
_openOffererChannel();
return;
}
function _openOffererChannel() {
channel = peer.createDataChannel(options.channel || 'RTCDataChannel', {
reliable: false
});
setChannelEvents();
}
function setChannelEvents() {
channel.onmessage = function(event) {
if (options.onChannelMessage) options.onChannelMessage(event);
};
channel.onopen = function() {
if (options.onChannelOpened) options.onChannelOpened(channel);
};
channel.onclose = function(event) {
if (options.onChannelClosed) options.onChannelClosed(event);
console.warn('WebRTC DataChannel closed', event);
};
channel.onerror = function(event) {
if (options.onChannelError) options.onChannelError(event);
console.error('WebRTC DataChannel error', event);
};
}
function openAnswererChannel() {
peer.ondatachannel = function(event) {
channel = event.channel;
channel.binaryType = 'blob';
setChannelEvents();
};
return;
}
// fake:true is also available on chrome under a flag!
function useless() {
log('Error in fake:true');
}
function onSdpSuccess() {}
function onSdpError(e) {
if (options.onChannelError) {
options.onChannelError(e);
}
console.error('sdp error:', e);
}
return {
addAnswerSDP: function(sdp, cbSuccess, cbError) {
peer.setRemoteDescription(new window.RTCSessionDescription(sdp), cbSuccess ? cbSuccess : onSdpSuccess, cbError ? cbError : onSdpError);
},
addICE: function(candidate) {
peer.addIceCandidate(new window.RTCIceCandidate({
sdpMLineIndex: candidate.sdpMLineIndex,
candidate: candidate.candidate
}));
},
peer: peer,
channel: channel,
sendData: function(message) {
if (channel) {
channel.send(message);
}
},
stop: function() {
peer.close();
if (options.attachStream) {
if(typeof options.attachStream.stop == 'function') {
options.attachStream.stop();
} else {
options.attachStream.active = false;
}
}
}
};
}
// getUserMedia
var video_constraints = {
//mandatory: {},
//optional: []
};
function activateLocalVideo(el, stream) {
el.srcObject = stream;
el.style.display = 'block';
}
function deactivateLocalVideo(el) {
el.srcObject = null;
el.style.display = 'none';
}
function getUserMedia(options) {
var n = navigator,
media;
n.getMedia = n.getUserMedia;
n.getMedia(options.constraints || {
audio: true,
video: video_constraints
},
streaming, options.onerror ||
function(e) {
console.error(e);
});
function streaming(stream) {
if (options.localVideo) {
activateLocalVideo(options.localVideo, stream);
}
if (options.onsuccess) {
options.onsuccess(stream);
}
media = stream;
}
return media;
}
$.FSRTC.resSupported = function(w, h) {
for (var i in $.FSRTC.validRes) {
if ($.FSRTC.validRes[i][0] == w && $.FSRTC.validRes[i][1] == h) {
return true;
}
}
return false;
}
$.FSRTC.bestResSupported = function() {
var w = 0, h = 0;
for (var i in $.FSRTC.validRes) {
if ($.FSRTC.validRes[i][0] >= w && $.FSRTC.validRes[i][1] >= h) {
w = $.FSRTC.validRes[i][0];
h = $.FSRTC.validRes[i][1];
}
}
return [w, h];
}
var resList = [[160, 120], [320, 180], [320, 240], [640, 360], [640, 480], [1280, 720], [1920, 1080]];
var resI = 0;
var ttl = 0;
var checkRes = function (cam, func) {
if (resI >= resList.length) {
var res = {
'validRes': $.FSRTC.validRes,
'bestResSupported': $.FSRTC.bestResSupported()
};
localStorage.setItem("res_" + cam, $.toJSON(res));
if (func) return func(res);
return;
}
w = resList[resI][0];
h = resList[resI][1];
resI++;
var video = {
width: {exact: w},
height: {exact: h}
};
if (cam !== "any") {
video.deviceId = {
exact: cam,
};
}
getUserMedia({
constraints: {
audio: ttl++ == 0,
video: video
},
onsuccess: function(e) {
e.getTracks().forEach(function(track) {track.stop();});
console.info(w + "x" + h + " supported."); $.FSRTC.validRes.push([w, h]); checkRes(cam, func);},
onerror: function(e) {console.warn( w + "x" + h + " not supported."); checkRes(cam, func);}
});
}
$.FSRTC.getValidRes = function (cam, func) {
var used = [];
var cached = localStorage.getItem("res_" + cam);
if (cached) {
var cache = $.parseJSON(cached);
if (cache) {
$.FSRTC.validRes = cache.validRes;
console.log("CACHED RES FOR CAM " + cam, cache);
} else {
console.error("INVALID CACHE");
}
return func ? func(cache) : null;
}
$.FSRTC.validRes = [];
resI = 0;
checkRes(cam, func);
}
$.FSRTC.checkPerms = function (runtime, check_audio, check_video) {
getUserMedia({
constraints: {
audio: check_audio,
video: check_video,
},
onsuccess: function(e) {
e.getTracks().forEach(function(track) {track.stop();});
console.info("media perm init complete");
if (runtime) {
setTimeout(runtime, 100, true);
}
},
onerror: function(e) {
if (check_video && check_audio) {
console.error("error, retesting with audio params only");
return $.FSRTC.checkPerms(runtime, check_audio, false);
}
console.error("media perm init error");
if (runtime) {
runtime(false)
}
}
});
}
})(jQuery);
/*
* Verto HTML5/Javascript Telephony Signaling and Control Protocol Stack for FreeSWITCH
* Copyright (C) 2005-2014, Anthony Minessale II <anthm@freeswitch.org>
*
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is jquery.jsonrpclient.js modified for Verto HTML5/Javascript Telephony Signaling and Control Protocol Stack for FreeSWITCH
*
* The Initial Developer of the Original Code is
* Textalk AB http://textalk.se/
* Portions created by the Initial Developer are Copyright (C)
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Anthony Minessale II <anthm@freeswitch.org>
*
* jquery.jsonrpclient.js - JSON RPC client code
*
*/
/**
* This plugin requires jquery.json.js to be available, or at least the methods $.toJSON and
* $.parseJSON.
*
* The plan is to make use of websockets if they are available, but work just as well with only
* http if not.
*
* Usage example:
*
* var foo = new $.JsonRpcClient({ ajaxUrl: '/backend/jsonrpc' });
* foo.call(
* 'bar', [ 'A parameter', 'B parameter' ],
* function(result) { alert('Foo bar answered: ' + result.my_answer); },
* function(error) { console.log('There was an error', error); }
* );
*
* More examples are available in README.md
*/
(function($) {
/**
* @fn new
* @memberof $.JsonRpcClient
*
* @param options An object stating the backends:
* ajaxUrl A url (relative or absolute) to a http(s) backend.
* socketUrl A url (relative of absolute) to a ws(s) backend.
* onmessage A socket message handler for other messages (non-responses).
* getSocket A function returning a WebSocket or null.
* It must take an onmessage_cb and bind it to the onmessage event
* (or chain it before/after some other onmessage handler).
* Or, it could return null if no socket is available.
* The returned instance must have readyState <= 1, and if less than 1,
* react to onopen binding.
*/
$.JsonRpcClient = function(options) {
var self = this;
this.options = $.extend({
ajaxUrl : null,
socketUrl : null, ///< The ws-url for default getSocket.
onmessage : null, ///< Other onmessage-handler.
login : null, /// auth login
passwd : null, /// auth passwd
sessid : null,
loginParams : null,
userVariables : null,
getSocket : function(onmessage_cb) { return self._getSocket(onmessage_cb); }
}, options);
self.ws_cnt = 0;
// Declare an instance version of the onmessage callback to wrap 'this'.
this.wsOnMessage = function(event) { self._wsOnMessage(event); };
};
/// Holding the WebSocket on default getsocket.
$.JsonRpcClient.prototype._ws_socket = null;
/// Object <id>: { success_cb: cb, error_cb: cb }
$.JsonRpcClient.prototype._ws_callbacks = {};
/// The next JSON-RPC request id.
$.JsonRpcClient.prototype._current_id = 1;
$.JsonRpcClient.prototype.speedTest = function (bytes, cb) {
var socket = this.options.getSocket(this.wsOnMessage);
if (socket !== null) {
this.speedCB = cb;
this.speedBytes = bytes;
socket.send("#SPU " + bytes);
var loops = bytes / 1024;
var rem = bytes % 1024;
var i;
var data = new Array(1024).join(".");
for (i = 0; i < loops; i++) {
socket.send("#SPB " + data);
}
if (rem) {
socket.send("#SPB " + data);
}
socket.send("#SPE");
}
};
/**
* @fn call
* @memberof $.JsonRpcClient
*
* @param method The method to run on JSON-RPC server.
* @param params The params; an array or object.
* @param success_cb A callback for successful request.
* @param error_cb A callback for error.
*/
$.JsonRpcClient.prototype.call = function(method, params, success_cb, error_cb) {
// Construct the JSON-RPC 2.0 request.
if (!params) {
params = {};
}
if (this.options.sessid) {
params.sessid = this.options.sessid;
}
var request = {
jsonrpc : '2.0',
method : method,
params : params,
id : this._current_id++ // Increase the id counter to match request/response
};
if (!success_cb) {
success_cb = function(e){console.log("Success: ", e);};
}
if (!error_cb) {
error_cb = function(e){console.log("Error: ", e);};
}
// Try making a WebSocket call.
var socket = this.options.getSocket(this.wsOnMessage);
if (socket !== null) {
this._wsCall(socket, request, success_cb, error_cb);
return;
}
// No WebSocket, and no HTTP backend? This won't work.
if (this.options.ajaxUrl === null) {
throw "$.JsonRpcClient.call used with no websocket and no http endpoint.";
}
$.ajax({
type : 'POST',
url : this.options.ajaxUrl,
data : $.toJSON(request),
dataType : 'json',
cache : false,
success : function(data) {
if ('error' in data) error_cb(data.error, this);
success_cb(data.result, this);
},
// JSON-RPC Server could return non-200 on error
error : function(jqXHR, textStatus, errorThrown) {
try {
var response = $.parseJSON(jqXHR.responseText);
if ('console' in window) console.log(response);
error_cb(response.error, this);
} catch (err) {
// Perhaps the responseText wasn't really a jsonrpc-error.
error_cb({ error: jqXHR.responseText }, this);
}
}
});
};
/**
* Notify sends a command to the server that won't need a response. In http, there is probably
* an empty response - that will be dropped, but in ws there should be no response at all.
*
* This is very similar to call, but has no id and no handling of callbacks.
*
* @fn notify
* @memberof $.JsonRpcClient
*
* @param method The method to run on JSON-RPC server.
* @param params The params; an array or object.
*/
$.JsonRpcClient.prototype.notify = function(method, params) {
// Construct the JSON-RPC 2.0 request.
if (this.options.sessid) {
params.sessid = this.options.sessid;
}
var request = {
jsonrpc: '2.0',
method: method,
params: params
};
// Try making a WebSocket call.
var socket = this.options.getSocket(this.wsOnMessage);
if (socket !== null) {
this._wsCall(socket, request);
return;
}
// No WebSocket, and no HTTP backend? This won't work.
if (this.options.ajaxUrl === null) {
throw "$.JsonRpcClient.notify used with no websocket and no http endpoint.";
}
$.ajax({
type : 'POST',
url : this.options.ajaxUrl,
data : $.toJSON(request),
dataType : 'json',
cache : false
});
};
/**
* Make a batch-call by using a callback.
*
* The callback will get an object "batch" as only argument. On batch, you can call the methods
* "call" and "notify" just as if it was a normal $.JsonRpcClient object, and all calls will be
* sent as a batch call then the callback is done.
*
* @fn batch
* @memberof $.JsonRpcClient
*
* @param callback The main function which will get a batch handler to run call and notify on.
* @param all_done_cb A callback function to call after all results have been handled.
* @param error_cb A callback function to call if there is an error from the server.
* Note, that batch calls should always get an overall success, and the
* only error
*/
$.JsonRpcClient.prototype.batch = function(callback, all_done_cb, error_cb) {
var batch = new $.JsonRpcClient._batchObject(this, all_done_cb, error_cb);
callback(batch);
batch._execute();
};
/**
* The default getSocket handler.
*
* @param onmessage_cb The callback to be bound to onmessage events on the socket.
*
* @fn _getSocket
* @memberof $.JsonRpcClient
*/
$.JsonRpcClient.prototype.socketReady = function() {
if (this._ws_socket === null || this._ws_socket.readyState > 1) {
return false;
}
return true;
};
$.JsonRpcClient.prototype.closeSocket = function() {
var self = this;
if (self.socketReady()) {
self._ws_socket.onclose = function (w) {console.log("Closing Socket");};
self._ws_socket.close();
}
};
$.JsonRpcClient.prototype.loginData = function(params) {
var self = this;
self.options.login = params.login;
self.options.passwd = params.passwd;
self.options.loginParams = params.loginParams;
self.options.userVariables = params.userVariables;
};
$.JsonRpcClient.prototype.connectSocket = function(onmessage_cb) {
var self = this;
if (self.to) {
clearTimeout(self.to);
}
if (!self.socketReady()) {
self.authing = false;
if (self._ws_socket) {
delete self._ws_socket;
}
// No socket, or dying socket, let's get a new one.
self._ws_socket = new WebSocket(self.options.socketUrl);
if (self._ws_socket) {
// Set up onmessage handler.
self._ws_socket.onmessage = onmessage_cb;
self._ws_socket.onclose = function (w) {
if (!self.ws_sleep) {
self.ws_sleep = 1000;
}
if (self.options.onWSClose) {
self.options.onWSClose(self);
}
if (self.ws_cnt > 10 && self.options.wsFallbackURL) {
self.options.socketUrl = self.options.wsFallbackURL;
}
console.error("Websocket Lost " + self.ws_cnt + " sleep: " + self.ws_sleep + "msec");
self.to = setTimeout(function() {
console.log("Attempting Reconnection....");
self.connectSocket(onmessage_cb);
}, self.ws_sleep);
self.ws_cnt++;
if (self.ws_sleep < 3000 && (self.ws_cnt % 10) === 0) {
self.ws_sleep += 1000;
}
};
// Set up sending of message for when the socket is open.
self._ws_socket.onopen = function() {
if (self.to) {
clearTimeout(self.to);
}
self.ws_sleep = 1000;
self.ws_cnt = 0;
if (self.options.onWSConnect) {
self.options.onWSConnect(self);
}
var req;
// Send the requests.
while ((req = $.JsonRpcClient.q.pop())) {
self._ws_socket.send(req);
}
};
}
}
return self._ws_socket ? true : false;
};
$.JsonRpcClient.prototype.stopRetrying = function() {
if (self.to)
clearTimeout(self.to);
}
$.JsonRpcClient.prototype._getSocket = function(onmessage_cb) {
// If there is no ws url set, we don't have a socket.
// Likewise, if there is no window.WebSocket.
if (this.options.socketUrl === null || !("WebSocket" in window)) return null;
this.connectSocket(onmessage_cb);
return this._ws_socket;
};
/**
* Queue to save messages delivered when websocket is not ready
*/
$.JsonRpcClient.q = [];
/**
* Internal handler to dispatch a JRON-RPC request through a websocket.
*
* @fn _wsCall
* @memberof $.JsonRpcClient
*/
$.JsonRpcClient.prototype._wsCall = function(socket, request, success_cb, error_cb) {
var request_json = $.toJSON(request);
if (socket.readyState < 1) {
// The websocket is not open yet; we have to set sending of the message in onopen.
self = this; // In closure below, this is set to the WebSocket. Use self instead.
$.JsonRpcClient.q.push(request_json);
} else {
// We have a socket and it should be ready to send on.
socket.send(request_json);
}
// Setup callbacks. If there is an id, this is a call and not a notify.
if ('id' in request && typeof success_cb !== 'undefined') {
this._ws_callbacks[request.id] = { request: request_json, request_obj: request, success_cb: success_cb, error_cb: error_cb };
}
};
/**
* Internal handler for the websocket messages. It determines if the message is a JSON-RPC
* response, and if so, tries to couple it with a given callback. Otherwise, it falls back to
* given external onmessage-handler, if any.
*
* @param event The websocket onmessage-event.
*/
$.JsonRpcClient.prototype._wsOnMessage = function(event) {
// Check if this could be a JSON RPC message.
var response;
// Special sub proto
if (event.data[0] == "#" && event.data[1] == "S" && event.data[2] == "P") {
if (event.data[3] == "U") {
this.up_dur = parseInt(event.data.substring(4));
} else if (this.speedCB && event.data[3] == "D") {
this.down_dur = parseInt(event.data.substring(4));
var up_kps = (((this.speedBytes * 8) / (this.up_dur / 1000)) / 1024).toFixed(0);
var down_kps = (((this.speedBytes * 8) / (this.down_dur / 1000)) / 1024).toFixed(0);
console.info("Speed Test: Up: " + up_kps + " Down: " + down_kps);
var cb = this.speedCB;
this.speedCB = null;
cb(event, {
upDur: this.up_dur,
downDur: this.down_dur,
upKPS: up_kps,
downKPS: down_kps
});
}
return;
}
try {
response = $.parseJSON(event.data);
/// @todo Make using the jsonrcp 2.0 check optional, to use this on JSON-RPC 1 backends.
if (typeof response === 'object' &&
'jsonrpc' in response &&
response.jsonrpc === '2.0') {
/// @todo Handle bad response (without id).
// If this is an object with result, it is a response.
if ('result' in response && this._ws_callbacks[response.id]) {
// Get the success callback.
var success_cb = this._ws_callbacks[response.id].success_cb;
/*
// set the sessid if present
if ('sessid' in response.result && !this.options.sessid || (this.options.sessid != response.result.sessid)) {
this.options.sessid = response.result.sessid;
if (this.options.sessid) {
console.log("setting session UUID to: " + this.options.sessid);
}
}
*/
// Delete the callback from the storage.
delete this._ws_callbacks[response.id];
// Run callback with result as parameter.
success_cb(response.result, this);
return;
} else if ('error' in response && this._ws_callbacks[response.id]) {
// If this is an object with error, it is an error response.
// Get the error callback.
var error_cb = this._ws_callbacks[response.id].error_cb;
var orig_req = this._ws_callbacks[response.id].request;
// if this is an auth request, send the credentials and resend the failed request
if (!self.authing && response.error.code == -32000 && self.options.login && self.options.passwd) {
self.authing = true;
this.call("login", { login: self.options.login, passwd: self.options.passwd, loginParams: self.options.loginParams,
userVariables: self.options.userVariables},
this._ws_callbacks[response.id].request_obj.method == "login" ?
function(e) {
self.authing = false;
console.log("logged in");
delete self._ws_callbacks[response.id];
if (self.options.onWSLogin) {
self.options.onWSLogin(true, self);
}
}
:
function(e) {
self.authing = false;
console.log("logged in, resending request id: " + response.id);
var socket = self.options.getSocket(self.wsOnMessage);
if (socket !== null) {
socket.send(orig_req);
}
if (self.options.onWSLogin) {
self.options.onWSLogin(true, self);
}
},
function(e) {
console.log("error logging in, request id:", response.id);
delete self._ws_callbacks[response.id];
error_cb(response.error, this);
if (self.options.onWSLogin) {
self.options.onWSLogin(false, self);
}
});
return;
}
// Delete the callback from the storage.
delete this._ws_callbacks[response.id];
// Run callback with the error object as parameter.
error_cb(response.error, this);
return;
}
}
} catch (err) {
// Probably an error while parsing a non json-string as json. All real JSON-RPC cases are
// handled above, and the fallback method is called below.
console.log("ERROR: "+ err);
return;
}
// This is not a JSON-RPC response. Call the fallback message handler, if given.
if (typeof this.options.onmessage === 'function') {
event.eventData = response;
if (!event.eventData) {
event.eventData = {};
}
var reply = this.options.onmessage(event);
if (reply && typeof reply === "object" && event.eventData.id) {
var msg = {
jsonrpc: "2.0",
id: event.eventData.id,
result: reply
};
var socket = self.options.getSocket(self.wsOnMessage);
if (socket !== null) {
socket.send($.toJSON(msg));
}
}
}
};
/************************************************************************************************
* Batch object with methods
************************************************************************************************/
/**
* Handling object for batch calls.
*/
$.JsonRpcClient._batchObject = function(jsonrpcclient, all_done_cb, error_cb) {
// Array of objects to hold the call and notify requests. Each objects will have the request
// object, and unless it is a notify, success_cb and error_cb.
this._requests = [];
this.jsonrpcclient = jsonrpcclient;
this.all_done_cb = all_done_cb;
this.error_cb = typeof error_cb === 'function' ? error_cb : function() {};
};
/**
* @sa $.JsonRpcClient.prototype.call
*/
$.JsonRpcClient._batchObject.prototype.call = function(method, params, success_cb, error_cb) {
if (!params) {
params = {};
}
if (this.options.sessid) {
params.sessid = this.options.sessid;
}
if (!success_cb) {
success_cb = function(e){console.log("Success: ", e);};
}
if (!error_cb) {
error_cb = function(e){console.log("Error: ", e);};
}
this._requests.push({
request : {
jsonrpc : '2.0',
method : method,
params : params,
id : this.jsonrpcclient._current_id++ // Use the client's id series.
},
success_cb : success_cb,
error_cb : error_cb
});
};
/**
* @sa $.JsonRpcClient.prototype.notify
*/
$.JsonRpcClient._batchObject.prototype.notify = function(method, params) {
if (this.options.sessid) {
params.sessid = this.options.sessid;
}
this._requests.push({
request : {
jsonrpc : '2.0',
method : method,
params : params
}
});
};
/**
* Executes the batched up calls.
*/
$.JsonRpcClient._batchObject.prototype._execute = function() {
var self = this;
if (this._requests.length === 0) return; // All done :P
// Collect all request data and sort handlers by request id.
var batch_request = [];
var handlers = {};
var i = 0;
var call;
var success_cb;
var error_cb;
// If we have a WebSocket, just send the requests individually like normal calls.
var socket = self.jsonrpcclient.options.getSocket(self.jsonrpcclient.wsOnMessage);
if (socket !== null) {
for (i = 0; i < this._requests.length; i++) {
call = this._requests[i];
success_cb = ('success_cb' in call) ? call.success_cb : undefined;
error_cb = ('error_cb' in call) ? call.error_cb : undefined;
self.jsonrpcclient._wsCall(socket, call.request, success_cb, error_cb);
}
if (typeof all_done_cb === 'function') all_done_cb(result);
return;
}
for (i = 0; i < this._requests.length; i++) {
call = this._requests[i];
batch_request.push(call.request);
// If the request has an id, it should handle returns (otherwise it's a notify).
if ('id' in call.request) {
handlers[call.request.id] = {
success_cb : call.success_cb,
error_cb : call.error_cb
};
}
}
success_cb = function(data) { self._batchCb(data, handlers, self.all_done_cb); };
// No WebSocket, and no HTTP backend? This won't work.
if (self.jsonrpcclient.options.ajaxUrl === null) {
throw "$.JsonRpcClient.batch used with no websocket and no http endpoint.";
}
// Send request
$.ajax({
url : self.jsonrpcclient.options.ajaxUrl,
data : $.toJSON(batch_request),
dataType : 'json',
cache : false,
type : 'POST',
// Batch-requests should always return 200
error : function(jqXHR, textStatus, errorThrown) {
self.error_cb(jqXHR, textStatus, errorThrown);
},
success : success_cb
});
};
/**
* Internal helper to match the result array from a batch call to their respective callbacks.
*
* @fn _batchCb
* @memberof $.JsonRpcClient
*/
$.JsonRpcClient._batchObject.prototype._batchCb = function(result, handlers, all_done_cb) {
for (var i = 0; i < result.length; i++) {
var response = result[i];
// Handle error
if ('error' in response) {
if (response.id === null || !(response.id in handlers)) {
// An error on a notify? Just log it to the console.
if ('console' in window) console.log(response);
} else {
handlers[response.id].error_cb(response.error, this);
}
} else {
// Here we should always have a correct id and no error.
if (!(response.id in handlers) && 'console' in window) {
console.log(response);
} else {
handlers[response.id].success_cb(response.result, this);
}
}
}
if (typeof all_done_cb === 'function') all_done_cb(result);
};
})(jQuery);
/*
* Verto HTML5/Javascript Telephony Signaling and Control Protocol Stack for FreeSWITCH
* Copyright (C) 2005-2014, Anthony Minessale II <anthm@freeswitch.org>
*
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Verto HTML5/Javascript Telephony Signaling and Control Protocol Stack for FreeSWITCH
*
* The Initial Developer of the Original Code is
* Anthony Minessale II <anthm@freeswitch.org>
* Portions created by the Initial Developer are Copyright (C)
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Anthony Minessale II <anthm@freeswitch.org>
*
* jquery.verto.js - Main interface
*
*/
(function($) {
var sources = [];
var generateGUID = (typeof(window.crypto) !== 'undefined' && typeof(window.crypto.getRandomValues) !== 'undefined') ?
function() {
// If we have a cryptographically secure PRNG, use that
// http://stackoverflow.com/questions/6906916/collisions-when-generating-uuids-in-javascript
var buf = new Uint16Array(8);
window.crypto.getRandomValues(buf);
var S4 = function(num) {
var ret = num.toString(16);
while (ret.length < 4) {
ret = "0" + ret;
}
return ret;
};
return (S4(buf[0]) + S4(buf[1]) + "-" + S4(buf[2]) + "-" + S4(buf[3]) + "-" + S4(buf[4]) + "-" + S4(buf[5]) + S4(buf[6]) + S4(buf[7]));
}
:
function() {
// Otherwise, just use Math.random
// http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript/2117523#2117523
return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
var r = Math.random() * 16 | 0,
v = c == 'x' ? r : (r & 0x3 | 0x8);
return v.toString(16);
});
};
/// MASTER OBJ
$.verto = function(options, callbacks) {
var verto = this;
$.verto.saved.push(verto);
verto.options = $.extend({
login: null,
passwd: null,
socketUrl: null,
tag: null,
localTag: null,
videoParams: {},
audioParams: {},
loginParams: {},
deviceParams: {onResCheck: null},
userVariables: {},
iceServers: false,
ringSleep: 6000,
sessid: null,
useStream: null
}, options);
if (verto.options.deviceParams.useCamera) {
$.FSRTC.getValidRes(verto.options.deviceParams.useCamera, verto.options.deviceParams.onResCheck);
}
if (!verto.options.deviceParams.useMic) {
verto.options.deviceParams.useMic = "any";
}
if (!verto.options.deviceParams.useSpeak) {
verto.options.deviceParams.useSpeak = "any";
}
if (verto.options.sessid) {
verto.sessid = verto.options.sessid;
} else {
verto.sessid = localStorage.getItem("verto_session_uuid") || generateGUID();
localStorage.setItem("verto_session_uuid", verto.sessid);
}
verto.dialogs = {};
verto.callbacks = callbacks || {};
verto.eventSUBS = {};
verto.rpcClient = new $.JsonRpcClient({
login: verto.options.login,
passwd: verto.options.passwd,
socketUrl: verto.options.socketUrl,
wsFallbackURL: verto.options.wsFallbackURL,
turnServer: verto.options.turnServer,
loginParams: verto.options.loginParams,
userVariables: verto.options.userVariables,
sessid: verto.sessid,
onmessage: function(e) {
return verto.handleMessage(e.eventData);
},
onWSConnect: function(o) {
o.call('login', {});
},
onWSLogin: function(success) {
if (verto.callbacks.onWSLogin) {
verto.callbacks.onWSLogin(verto, success);
}
},
onWSClose: function(success) {
if (verto.callbacks.onWSClose) {
verto.callbacks.onWSClose(verto, success);
}
verto.purge();
}
});
var tag = verto.options.tag;
if (typeof(tag) === "function") {
tag = tag();
}
if (verto.options.ringFile && verto.options.tag) {
verto.ringer = $("#" + tag);
}
verto.rpcClient.call('login', {});
};
$.verto.prototype.deviceParams = function(obj) {
var verto = this;
for (var i in obj) {
verto.options.deviceParams[i] = obj[i];
}
if (obj.useCamera) {
$.FSRTC.getValidRes(verto.options.deviceParams.useCamera, obj ? obj.onResCheck : undefined);
}
};
$.verto.prototype.videoParams = function(obj) {
var verto = this;
for (var i in obj) {
verto.options.videoParams[i] = obj[i];
}
};
$.verto.prototype.iceServers = function(obj) {
var verto = this;
verto.options.iceServers = obj;
};
$.verto.prototype.loginData = function(params) {
var verto = this;
verto.options.login = params.login;
verto.options.passwd = params.passwd;
verto.rpcClient.loginData(params);
};
$.verto.prototype.logout = function(msg) {
var verto = this;
verto.rpcClient.closeSocket();
if (verto.callbacks.onWSClose) {
verto.callbacks.onWSClose(verto, false);
}
verto.purge();
};
$.verto.prototype.login = function(msg) {
var verto = this;
verto.logout();
verto.rpcClient.call('login', {});
};
$.verto.prototype.message = function(msg) {
var verto = this;
var err = 0;
if (!msg.to) {
console.error("Missing To");
err++;
}
if (!msg.body) {
console.error("Missing Body");
err++;
}
if (err) {
return false;
}
verto.sendMethod("verto.info", {
msg: msg
});
return true;
};
$.verto.prototype.processReply = function(method, success, e) {
var verto = this;
var i;
//console.log("Response: " + method, success, e);
switch (method) {
case "verto.subscribe":
for (i in e.unauthorizedChannels) {
drop_bad(verto, e.unauthorizedChannels[i]);
}
for (i in e.subscribedChannels) {
mark_ready(verto, e.subscribedChannels[i]);
}
break;
case "verto.unsubscribe":
//console.error(e);
break;
}
};
$.verto.prototype.sendMethod = function(method, params) {
var verto = this;
verto.rpcClient.call(method, params,
function(e) {
/* Success */
verto.processReply(method, true, e);
},
function(e) {
/* Error */
verto.processReply(method, false, e);
});
};
function do_sub(verto, channel, obj) {
}
function drop_bad(verto, channel) {
console.error("drop unauthorized channel: " + channel);
delete verto.eventSUBS[channel];
}
function mark_ready(verto, channel) {
for (var j in verto.eventSUBS[channel]) {
verto.eventSUBS[channel][j].ready = true;
console.log("subscribed to channel: " + channel);
if (verto.eventSUBS[channel][j].readyHandler) {
verto.eventSUBS[channel][j].readyHandler(verto, channel);
}
}
}
var SERNO = 1;
function do_subscribe(verto, channel, subChannels, sparams) {
var params = sparams || {};
var local = params.local;
var obj = {
eventChannel: channel,
userData: params.userData,
handler: params.handler,
ready: false,
readyHandler: params.readyHandler,
serno: SERNO++
};
var isnew = false;
if (!verto.eventSUBS[channel]) {
verto.eventSUBS[channel] = [];
subChannels.push(channel);
isnew = true;
}
verto.eventSUBS[channel].push(obj);
if (local) {
obj.ready = true;
obj.local = true;
}
if (!isnew && verto.eventSUBS[channel][0].ready) {
obj.ready = true;
if (obj.readyHandler) {
obj.readyHandler(verto, channel);
}
}
return {
serno: obj.serno,
eventChannel: channel
};
}
$.verto.prototype.subscribe = function(channel, sparams) {
var verto = this;
var r = [];
var subChannels = [];
var params = sparams || {};
if (typeof(channel) === "string") {
r.push(do_subscribe(verto, channel, subChannels, params));
} else {
for (var i in channel) {
r.push(do_subscribe(verto, channel, subChannels, params));
}
}
if (subChannels.length) {
verto.sendMethod("verto.subscribe", {
eventChannel: subChannels.length == 1 ? subChannels[0] : subChannels,
subParams: params.subParams
});
}
return r;
};
$.verto.prototype.unsubscribe = function(handle) {
var verto = this;
var i;
if (!handle) {
for (i in verto.eventSUBS) {
if (verto.eventSUBS[i]) {
verto.unsubscribe(verto.eventSUBS[i]);
}
}
} else {
var unsubChannels = {};
var sendChannels = [];
var channel;
if (typeof(handle) == "string") {
delete verto.eventSUBS[handle];
unsubChannels[handle]++;
} else {
for (i in handle) {
if (typeof(handle[i]) == "string") {
channel = handle[i];
delete verto.eventSUBS[channel];
unsubChannels[channel]++;
} else {
var repl = [];
channel = handle[i].eventChannel;
for (var j in verto.eventSUBS[channel]) {
if (verto.eventSUBS[channel][j].serno == handle[i].serno) {} else {
repl.push(verto.eventSUBS[channel][j]);
}
}
verto.eventSUBS[channel] = repl;
if (verto.eventSUBS[channel].length === 0) {
delete verto.eventSUBS[channel];
unsubChannels[channel]++;
}
}
}
}
for (var u in unsubChannels) {
console.log("Sending Unsubscribe for: ", u);
sendChannels.push(u);
}
if (sendChannels.length) {
verto.sendMethod("verto.unsubscribe", {
eventChannel: sendChannels.length == 1 ? sendChannels[0] : sendChannels
});
}
}
};
$.verto.prototype.broadcast = function(channel, params) {
var verto = this;
var msg = {
eventChannel: channel,
data: {}
};
for (var i in params) {
msg.data[i] = params[i];
}
verto.sendMethod("verto.broadcast", msg);
};
$.verto.prototype.purge = function(callID) {
var verto = this;
var x = 0;
var i;
for (i in verto.dialogs) {
if (!x) {
console.log("purging dialogs");
}
x++;
verto.dialogs[i].setState($.verto.enum.state.purge);
}
for (i in verto.eventSUBS) {
if (verto.eventSUBS[i]) {
console.log("purging subscription: " + i);
delete verto.eventSUBS[i];
}
}
};
$.verto.prototype.hangup = function(callID) {
var verto = this;
if (callID) {
var dialog = verto.dialogs[callID];
if (dialog) {
dialog.hangup();
}
} else {
for (var i in verto.dialogs) {
verto.dialogs[i].hangup();
}
}
};
$.verto.prototype.newCall = function(args, callbacks) {
var verto = this;
if (!verto.rpcClient.socketReady()) {
console.error("Not Connected...");
return;
}
if (args["useCamera"]) {
verto.options.deviceParams["useCamera"] = args["useCamera"];
}
var dialog = new $.verto.dialog($.verto.enum.direction.outbound, this, args);
if (callbacks) {
dialog.callbacks = callbacks;
}
dialog.invite();
return dialog;
};
$.verto.prototype.handleMessage = function(data) {
var verto = this;
if (!(data && data.method)) {
console.error("Invalid Data", data);
return;
}
if (data.params.callID) {
var dialog = verto.dialogs[data.params.callID];
if (data.method === "verto.attach" && dialog) {
delete dialog.verto.dialogs[dialog.callID];
dialog.rtc.stop();
dialog = null;
}
if (dialog) {
switch (data.method) {
case 'verto.bye':
dialog.hangup(data.params);
break;
case 'verto.answer':
dialog.handleAnswer(data.params);
break;
case 'verto.media':
dialog.handleMedia(data.params);
break;
case 'verto.display':
dialog.handleDisplay(data.params);
break;
case 'verto.info':
dialog.handleInfo(data.params);
break;
default:
console.debug("INVALID METHOD OR NON-EXISTANT CALL REFERENCE IGNORED", dialog, data.method);
break;
}
} else {
switch (data.method) {
case 'verto.attach':
data.params.attach = true;
if (data.params.sdp && data.params.sdp.indexOf("m=video") > 0) {
data.params.useVideo = true;
}
if (data.params.sdp && data.params.sdp.indexOf("stereo=1") > 0) {
data.params.useStereo = true;
}
dialog = new $.verto.dialog($.verto.enum.direction.inbound, verto, data.params);
dialog.setState($.verto.enum.state.recovering);
break;
case 'verto.invite':
if (data.params.sdp && data.params.sdp.indexOf("m=video") > 0) {
data.params.wantVideo = true;
}
if (data.params.sdp && data.params.sdp.indexOf("stereo=1") > 0) {
data.params.useStereo = true;
}
dialog = new $.verto.dialog($.verto.enum.direction.inbound, verto, data.params);
break;
default:
console.debug("INVALID METHOD OR NON-EXISTANT CALL REFERENCE IGNORED");
break;
}
}
return {
method: data.method
};
} else {
switch (data.method) {
case 'verto.punt':
verto.purge();
verto.logout();
break;
case 'verto.event':
var list = null;
var key = null;
if (data.params) {
key = data.params.eventChannel;
}
if (key) {
list = verto.eventSUBS[key];
if (!list) {
list = verto.eventSUBS[key.split(".")[0]];
}
}
if (!list && key && key === verto.sessid) {
if (verto.callbacks.onMessage) {
verto.callbacks.onMessage(verto, null, $.verto.enum.message.pvtEvent, data.params);
}
} else if (!list && key && verto.dialogs[key]) {
verto.dialogs[key].sendMessage($.verto.enum.message.pvtEvent, data.params);
} else if (!list) {
if (!key) {
key = "UNDEFINED";
}
console.error("UNSUBBED or invalid EVENT " + key + " IGNORED");
} else {
for (var i in list) {
var sub = list[i];
if (!sub || !sub.ready) {
console.error("invalid EVENT for " + key + " IGNORED");
} else if (sub.handler) {
sub.handler(verto, data.params, sub.userData);
} else if (verto.callbacks.onEvent) {
verto.callbacks.onEvent(verto, data.params, sub.userData);
} else {
console.log("EVENT:", data.params);
}
}
}
break;
case "verto.info":
if (verto.callbacks.onMessage) {
verto.callbacks.onMessage(verto, null, $.verto.enum.message.info, data.params.msg);
}
//console.error(data);
console.debug("MESSAGE from: " + data.params.msg.from, data.params.msg.body);
break;
case 'verto.clientReady':
if (verto.callbacks.onMessage) {
verto.callbacks.onMessage(verto, null, $.verto.enum.message.clientReady, data.params);
}
console.debug("CLIENT READY", data.params);
break;
default:
console.error("INVALID METHOD OR NON-EXISTANT CALL REFERENCE IGNORED", data.method);
break;
}
}
};
var del_array = function(array, name) {
var r = [];
var len = array.length;
for (var i = 0; i < len; i++) {
if (array[i] != name) {
r.push(array[i]);
}
}
return r;
};
var hashArray = function() {
var vha = this;
var hash = {};
var array = [];
vha.reorder = function(a) {
array = a;
var h = hash;
hash = {};
var len = array.length;
for (var i = 0; i < len; i++) {
var key = array[i];
if (h[key]) {
hash[key] = h[key];
delete h[key];
}
}
h = undefined;
};
vha.clear = function() {
hash = undefined;
array = undefined;
hash = {};
array = [];
};
vha.add = function(name, val, insertAt) {
var redraw = false;
if (!hash[name]) {
if (insertAt === undefined || insertAt < 0 || insertAt >= array.length) {
array.push(name);
} else {
var x = 0;
var n = [];
var len = array.length;
for (var i = 0; i < len; i++) {
if (x++==insertAt) {
n.push(name);
}
n.push(array[i]);
}
array = undefined;
array = n;
n = undefined;
redraw = true;
}
}
hash[name] = val;
return redraw;
};
vha.del = function(name) {
var r = false;
if (hash[name]) {
array = del_array(array, name);
delete hash[name];
r = true;
} else {
console.error("can't del nonexistant key " + name);
}
return r;
};
vha.get = function(name) {
return hash[name];
};
vha.order = function() {
return array;
};
vha.hash = function() {
return hash;
};
vha.indexOf = function(name) {
var len = array.length;
for (var i = 0; i < len; i++) {
if (array[i] == name) {
return i;
}
}
};
vha.arrayLen = function() {
return array.length;
};
vha.asArray = function() {
var r = [];
var len = array.length;
for (var i = 0; i < len; i++) {
var key = array[i];
r.push(hash[key]);
}
return r;
};
vha.each = function(cb) {
var len = array.length;
for (var i = 0; i < len; i++) {
cb(array[i], hash[array[i]]);
}
};
vha.dump = function(html) {
var str = "";
vha.each(function(name, val) {
str += "name: " + name + " val: " + JSON.stringify(val) + (html ? "<br>" : "\n");
});
return str;
};
};
$.verto.liveArray = function(verto, context, name, config) {
var la = this;
var lastSerno = 0;
var binding = null;
var user_obj = config.userObj;
var local = false;
// Inherit methods of hashArray
hashArray.call(la);
// Save the hashArray add, del, reorder, clear methods so we can make our own.
la._add = la.add;
la._del = la.del;
la._reorder = la.reorder;
la._clear = la.clear;
la.context = context;
la.name = name;
la.user_obj = user_obj;
la.verto = verto;
la.broadcast = function(channel, obj) {
verto.broadcast(channel, obj);
};
la.errs = 0;
la.clear = function() {
la._clear();
lastSerno = 0;
if (la.onChange) {
la.onChange(la, {
action: "clear"
});
}
};
la.checkSerno = function(serno) {
if (serno < 0) {
return true;
}
if (lastSerno > 0 && serno != (lastSerno + 1)) {
if (la.onErr) {
la.onErr(la, {
lastSerno: lastSerno,
serno: serno
});
}
la.errs++;
console.debug(la.errs);
if (la.errs < 3) {
la.bootstrap(la.user_obj);
}
return false;
} else {
lastSerno = serno;
return true;
}
};
la.reorder = function(serno, a) {
if (la.checkSerno(serno)) {
la._reorder(a);
if (la.onChange) {
la.onChange(la, {
serno: serno,
action: "reorder"
});
}
}
};
la.init = function(serno, val, key, index) {
if (key === null || key === undefined) {
key = serno;
}
if (la.checkSerno(serno)) {
if (la.onChange) {
la.onChange(la, {
serno: serno,
action: "init",
index: index,
key: key,
data: val
});
}
}
};
la.bootObj = function(serno, val) {
if (la.checkSerno(serno)) {
//la.clear();
for (var i in val) {
la._add(val[i][0], val[i][1]);
}
if (la.onChange) {
la.onChange(la, {
serno: serno,
action: "bootObj",
data: val,
redraw: true
});
}
}
};
// @param serno La is the serial number for la particular request.
// @param key If looking at it as a hash table, la represents the key in the hashArray object where you want to store the val object.
// @param index If looking at it as an array, la represents the position in the array where you want to store the val object.
// @param val La is the object you want to store at the key or index location in the hash table / array.
la.add = function(serno, val, key, index) {
if (key === null || key === undefined) {
key = serno;
}
if (la.checkSerno(serno)) {
var redraw = la._add(key, val, index);
if (la.onChange) {
la.onChange(la, {
serno: serno,
action: "add",
index: index,
key: key,
data: val,
redraw: redraw
});
}
}
};
la.modify = function(serno, val, key, index) {
if (key === null || key === undefined) {
key = serno;
}
if (la.checkSerno(serno)) {
la._add(key, val, index);
if (la.onChange) {
la.onChange(la, {
serno: serno,
action: "modify",
key: key,
data: val,
index: index
});
}
}
};
la.del = function(serno, key, index) {
if (key === null || key === undefined) {
key = serno;
}
if (la.checkSerno(serno)) {
if (index === null || index < 0 || index === undefined) {
index = la.indexOf(key);
}
var ok = la._del(key);
if (ok && la.onChange) {
la.onChange(la, {
serno: serno,
action: "del",
key: key,
index: index
});
}
}
};
var eventHandler = function(v, e, la) {
var packet = e.data;
//console.error("READ:", packet);
if (packet.name != la.name) {
return;
}
switch (packet.action) {
case "init":
la.init(packet.wireSerno, packet.data, packet.hashKey, packet.arrIndex);
break;
case "bootObj":
la.bootObj(packet.wireSerno, packet.data);
break;
case "add":
la.add(packet.wireSerno, packet.data, packet.hashKey, packet.arrIndex);
break;
case "modify":
if (! (packet.arrIndex || packet.hashKey)) {
console.error("Invalid Packet", packet);
} else {
la.modify(packet.wireSerno, packet.data, packet.hashKey, packet.arrIndex);
}
break;
case "del":
if (! (packet.arrIndex || packet.hashKey)) {
console.error("Invalid Packet", packet);
} else {
la.del(packet.wireSerno, packet.hashKey, packet.arrIndex);
}
break;
case "clear":
la.clear();
break;
case "reorder":
la.reorder(packet.wireSerno, packet.order);
break;
default:
if (la.checkSerno(packet.wireSerno)) {
if (la.onChange) {
la.onChange(la, {
serno: packet.wireSerno,
action: packet.action,
data: packet.data
});
}
}
break;
}
};
if (la.context) {
binding = la.verto.subscribe(la.context, {
handler: eventHandler,
userData: la,
subParams: config.subParams
});
}
la.destroy = function() {
la._clear();
la.verto.unsubscribe(binding);
};
la.sendCommand = function(cmd, obj) {
var self = la;
self.broadcast(self.context, {
liveArray: {
command: cmd,
context: self.context,
name: self.name,
obj: obj
}
});
};
la.bootstrap = function(obj) {
var self = la;
la.sendCommand("bootstrap", obj);
//self.heartbeat();
};
la.changepage = function(obj) {
var self = la;
self.clear();
self.broadcast(self.context, {
liveArray: {
command: "changepage",
context: la.context,
name: la.name,
obj: obj
}
});
};
la.heartbeat = function(obj) {
var self = la;
var callback = function() {
self.heartbeat.call(self, obj);
};
self.broadcast(self.context, {
liveArray: {
command: "heartbeat",
context: self.context,
name: self.name,
obj: obj
}
});
self.hb_pid = setTimeout(callback, 30000);
};
la.bootstrap(la.user_obj);
};
$.verto.liveTable = function(verto, context, name, jq, config) {
var dt;
var la = new $.verto.liveArray(verto, context, name, {
subParams: config.subParams
});
var lt = this;
lt.liveArray = la;
lt.dataTable = dt;
lt.verto = verto;
lt.destroy = function() {
if (dt) {
dt.fnDestroy();
}
if (la) {
la.destroy();
}
dt = null;
la = null;
};
la.onErr = function(obj, args) {
console.error("Error: ", obj, args);
};
/* back compat so jsonstatus can always be enabled */
function genRow(data) {
if (typeof(data[4]) === "string" && data[4].indexOf("{") > -1) {
var tmp = $.parseJSON(data[4]);
data[4] = tmp.oldStatus;
data[5] = null;
}
return data;
}
function genArray(obj) {
var data = obj.asArray();
for (var i in data) {
data[i] = genRow(data[i]);
}
return data;
}
la.onChange = function(obj, args) {
var index = 0;
var iserr = 0;
if (!dt) {
if (!config.aoColumns) {
if (args.action != "init") {
return;
}
config.aoColumns = [];
for (var i in args.data) {
config.aoColumns.push({
"sTitle": args.data[i]
});
}
}
dt = jq.dataTable(config);
}
if (dt && (args.action == "del" || args.action == "modify")) {
index = args.index;
if (index === undefined && args.key) {
index = la.indexOf(args.key);
}
if (index === undefined) {
console.error("INVALID PACKET Missing INDEX\n", args);
return;
}
}
if (config.onChange) {
config.onChange(obj, args);
}
try {
switch (args.action) {
case "bootObj":
if (!args.data) {
console.error("missing data");
return;
}
dt.fnClearTable();
dt.fnAddData(genArray(obj));
dt.fnAdjustColumnSizing();
break;
case "add":
if (!args.data) {
console.error("missing data");
return;
}
if (args.redraw > -1) {
// specific position, more costly
dt.fnClearTable();
dt.fnAddData(genArray(obj));
} else {
dt.fnAddData(genRow(args.data));
}
dt.fnAdjustColumnSizing();
break;
case "modify":
if (!args.data) {
return;
}
//console.debug(args, index);
dt.fnUpdate(genRow(args.data), index);
dt.fnAdjustColumnSizing();
break;
case "del":
dt.fnDeleteRow(index);
dt.fnAdjustColumnSizing();
break;
case "clear":
dt.fnClearTable();
break;
case "reorder":
// specific position, more costly
dt.fnClearTable();
dt.fnAddData(genArray(obj));
break;
case "hide":
jq.hide();
break;
case "show":
jq.show();
break;
}
} catch(err) {
console.error("ERROR: " + err);
iserr++;
}
if (iserr) {
obj.errs++;
if (obj.errs < 3) {
obj.bootstrap(obj.user_obj);
}
} else {
obj.errs = 0;
}
};
la.onChange(la, {
action: "init"
});
};
var CONFMAN_SERNO = 1;
/*
Conference Manager without jQuery table.
*/
$.verto.conf = function(verto, params) {
var conf = this;
conf.params = $.extend({
dialog: null,
hasVid: false,
laData: null,
onBroadcast: null,
onLaChange: null,
onLaRow: null
}, params);
conf.verto = verto;
conf.serno = CONFMAN_SERNO++;
createMainModeratorMethods();
verto.subscribe(conf.params.laData.modChannel, {
handler: function(v, e) {
if (conf.params.onBroadcast) {
conf.params.onBroadcast(verto, conf, e.data);
}
}
});
verto.subscribe(conf.params.laData.infoChannel, {
handler: function(v, e) {
if (typeof(conf.params.infoCallback) === "function") {
conf.params.infoCallback(v,e);
}
}
});
verto.subscribe(conf.params.laData.chatChannel, {
handler: function(v, e) {
if (typeof(conf.params.chatCallback) === "function") {
conf.params.chatCallback(v,e);
}
}
});
};
$.verto.conf.prototype.modCommand = function(cmd, id, value) {
var conf = this;
conf.verto.rpcClient.call("verto.broadcast", {
"eventChannel": conf.params.laData.modChannel,
"data": {
"application": "conf-control",
"command": cmd,
"id": id,
"value": value
}
});
};
$.verto.conf.prototype.destroy = function() {
var conf = this;
conf.destroyed = true;
conf.params.onBroadcast(conf.verto, conf, 'destroy');
if (conf.params.laData.modChannel) {
conf.verto.unsubscribe(conf.params.laData.modChannel);
}
if (conf.params.laData.chatChannel) {
conf.verto.unsubscribe(conf.params.laData.chatChannel);
}
if (conf.params.laData.infoChannel) {
conf.verto.unsubscribe(conf.params.laData.infoChannel);
}
};
function createMainModeratorMethods() {
$.verto.conf.prototype.listVideoLayouts = function() {
this.modCommand("list-videoLayouts", null, null);
};
$.verto.conf.prototype.play = function(file) {
this.modCommand("play", null, file);
};
$.verto.conf.prototype.stop = function() {
this.modCommand("stop", null, "all");
};
$.verto.conf.prototype.deaf = function(memberID) {
this.modCommand("deaf", parseInt(memberID));
};
$.verto.conf.prototype.undeaf = function(memberID) {
this.modCommand("undeaf", parseInt(memberID));
};
$.verto.conf.prototype.record = function(file) {
this.modCommand("recording", null, ["start", file]);
};
$.verto.conf.prototype.stopRecord = function() {
this.modCommand("recording", null, ["stop", "all"]);
};
$.verto.conf.prototype.snapshot = function(file) {
if (!this.params.hasVid) {
throw 'Conference has no video';
}
this.modCommand("vid-write-png", null, file);
};
$.verto.conf.prototype.setVideoLayout = function(layout, canvasID) {
if (!this.params.hasVid) {
throw 'Conference has no video';
}
if (canvasID) {
this.modCommand("vid-layout", null, [layout, canvasID]);
} else {
this.modCommand("vid-layout", null, layout);
}
};
$.verto.conf.prototype.kick = function(memberID) {
this.modCommand("kick", parseInt(memberID));
};
$.verto.conf.prototype.muteMic = function(memberID) {
this.modCommand("tmute", parseInt(memberID));
};
$.verto.conf.prototype.muteVideo = function(memberID) {
if (!this.params.hasVid) {
throw 'Conference has no video';
}
this.modCommand("tvmute", parseInt(memberID));
};
$.verto.conf.prototype.presenter = function(memberID) {
if (!this.params.hasVid) {
throw 'Conference has no video';
}
this.modCommand("vid-res-id", parseInt(memberID), "presenter");
};
$.verto.conf.prototype.videoFloor = function(memberID) {
if (!this.params.hasVid) {
throw 'Conference has no video';
}
this.modCommand("vid-floor", parseInt(memberID), "force");
};
$.verto.conf.prototype.banner = function(memberID, text) {
if (!this.params.hasVid) {
throw 'Conference has no video';
}
this.modCommand("vid-banner", parseInt(memberID), escape(text));
};
$.verto.conf.prototype.volumeDown = function(memberID) {
this.modCommand("volume_out", parseInt(memberID), "down");
};
$.verto.conf.prototype.volumeUp = function(memberID) {
this.modCommand("volume_out", parseInt(memberID), "up");
};
$.verto.conf.prototype.gainDown = function(memberID) {
this.modCommand("volume_in", parseInt(memberID), "down");
};
$.verto.conf.prototype.gainUp = function(memberID) {
this.modCommand("volume_in", parseInt(memberID), "up");
};
$.verto.conf.prototype.transfer = function(memberID, exten) {
this.modCommand("transfer", parseInt(memberID), exten);
};
$.verto.conf.prototype.sendChat = function(message, type) {
var conf = this;
conf.verto.rpcClient.call("verto.broadcast", {
"eventChannel": conf.params.laData.chatChannel,
"data": {
"action": "send",
"message": message,
"type": type
}
});
};
}
$.verto.modfuncs = {};
$.verto.confMan = function(verto, params) {
var confMan = this;
confMan.params = $.extend({
tableID: null,
statusID: null,
mainModID: null,
dialog: null,
hasVid: false,
laData: null,
onBroadcast: null,
onLaChange: null,
onLaRow: null
}, params);
confMan.verto = verto;
confMan.serno = CONFMAN_SERNO++;
confMan.canvasCount = confMan.params.laData.canvasCount;
function genMainMod(jq) {
var play_id = "play_" + confMan.serno;
var stop_id = "stop_" + confMan.serno;
var recording_id = "recording_" + confMan.serno;
var snapshot_id = "snapshot_" + confMan.serno;
var rec_stop_id = "recording_stop" + confMan.serno;
var div_id = "confman_" + confMan.serno;
var html = "<div id='" + div_id + "'><br>" +
"<button class='ctlbtn' id='" + play_id + "'>Play</button>" +
"<button class='ctlbtn' id='" + stop_id + "'>Stop</button>" +
"<button class='ctlbtn' id='" + recording_id + "'>Record</button>" +
"<button class='ctlbtn' id='" + rec_stop_id + "'>Record Stop</button>" +
(confMan.params.hasVid ? "<button class='ctlbtn' id='" + snapshot_id + "'>PNG Snapshot</button>" : "") +
"<br><br></div>";
jq.html(html);
$.verto.modfuncs.change_video_layout = function(id, canvas_id) {
var val = $("#" + id + " option:selected").text();
if (val !== "none") {
confMan.modCommand("vid-layout", null, [val, canvas_id]);
}
};
if (confMan.params.hasVid) {
for (var j = 0; j < confMan.canvasCount; j++) {
var vlayout_id = "confman_vid_layout_" + j + "_" + confMan.serno;
var vlselect_id = "confman_vl_select_" + j + "_" + confMan.serno;
var vlhtml = "<div id='" + vlayout_id + "'><br>" +
"<b>Video Layout Canvas " + (j+1) +
"</b> <select onChange='$.verto.modfuncs.change_video_layout(\"" + vlayout_id + "\", \"" + (j+1) + "\")' id='" + vlselect_id + "'></select> " +
"<br><br></div>";
jq.append(vlhtml);
}
$("#" + snapshot_id).click(function() {
var file = prompt("Please enter file name", "");
if (file) {
confMan.modCommand("vid-write-png", null, file);
}
});
}
$("#" + play_id).click(function() {
var file = prompt("Please enter file name", "");
if (file) {
confMan.modCommand("play", null, file);
}
});
$("#" + stop_id).click(function() {
confMan.modCommand("stop", null, "all");
});
$("#" + recording_id).click(function() {
var file = prompt("Please enter file name", "");
if (file) {
confMan.modCommand("recording", null, ["start", file]);
}
});
$("#" + rec_stop_id).click(function() {
confMan.modCommand("recording", null, ["stop", "all"]);
});
}
function genControls(jq, rowid) {
var x = parseInt(rowid);
var kick_id = "kick_" + x;
var canvas_in_next_id = "canvas_in_next_" + x;
var canvas_in_prev_id = "canvas_in_prev_" + x;
var canvas_out_next_id = "canvas_out_next_" + x;
var canvas_out_prev_id = "canvas_out_prev_" + x;
var canvas_in_set_id = "canvas_in_set_" + x;
var canvas_out_set_id = "canvas_out_set_" + x;
var layer_set_id = "layer_set_" + x;
var layer_next_id = "layer_next_" + x;
var layer_prev_id = "layer_prev_" + x;
var tmute_id = "tmute_" + x;
var tvmute_id = "tvmute_" + x;
var vbanner_id = "vbanner_" + x;
var tvpresenter_id = "tvpresenter_" + x;
var tvfloor_id = "tvfloor_" + x;
var box_id = "box_" + x;
var gainup_id = "gain_in_up" + x;
var gaindn_id = "gain_in_dn" + x;
var volup_id = "vol_in_up" + x;
var voldn_id = "vol_in_dn" + x;
var transfer_id = "transfer" + x;
var html = "<div id='" + box_id + "'>";
html += "<b>General Controls</b><hr noshade>";
html += "<button class='ctlbtn' id='" + kick_id + "'>Kick</button>" +
"<button class='ctlbtn' id='" + tmute_id + "'>Mute</button>" +
"<button class='ctlbtn' id='" + gainup_id + "'>Gain -</button>" +
"<button class='ctlbtn' id='" + gaindn_id + "'>Gain +</button>" +
"<button class='ctlbtn' id='" + voldn_id + "'>Vol -</button>" +
"<button class='ctlbtn' id='" + volup_id + "'>Vol +</button>" +
"<button class='ctlbtn' id='" + transfer_id + "'>Transfer</button>";
if (confMan.params.hasVid) {
html += "<br><br><b>Video Controls</b><hr noshade>";
html += "<button class='ctlbtn' id='" + tvmute_id + "'>VMute</button>" +
"<button class='ctlbtn' id='" + tvpresenter_id + "'>Presenter</button>" +
"<button class='ctlbtn' id='" + tvfloor_id + "'>Vid Floor</button>" +
"<button class='ctlbtn' id='" + vbanner_id + "'>Banner</button>";
if (confMan.canvasCount > 1) {
html += "<br><br><b>Canvas Controls</b><hr noshade>" +
"<button class='ctlbtn' id='" + canvas_in_set_id + "'>Set Input Canvas</button>" +
"<button class='ctlbtn' id='" + canvas_in_prev_id + "'>Prev Input Canvas</button>" +
"<button class='ctlbtn' id='" + canvas_in_next_id + "'>Next Input Canvas</button>" +
"<br>" +
"<button class='ctlbtn' id='" + canvas_out_set_id + "'>Set Watching Canvas</button>" +
"<button class='ctlbtn' id='" + canvas_out_prev_id + "'>Prev Watching Canvas</button>" +
"<button class='ctlbtn' id='" + canvas_out_next_id + "'>Next Watching Canvas</button>";
}
html += "<br>" +
"<button class='ctlbtn' id='" + layer_set_id + "'>Set Layer</button>" +
"<button class='ctlbtn' id='" + layer_prev_id + "'>Prev Layer</button>" +
"<button class='ctlbtn' id='" + layer_next_id + "'>Next Layer</button>" +
"</div>";
}
jq.html(html);
if (!jq.data("mouse")) {
$("#" + box_id).hide();
}
jq.mouseover(function(e) {
jq.data({"mouse": true});
$("#" + box_id).show();
});
jq.mouseout(function(e) {
jq.data({"mouse": false});
$("#" + box_id).hide();
});
$("#" + transfer_id).click(function() {
var xten = prompt("Enter Extension");
if (xten) {
confMan.modCommand("transfer", x, xten);
}
});
$("#" + kick_id).click(function() {
confMan.modCommand("kick", x);
});
$("#" + layer_set_id).click(function() {
var cid = prompt("Please enter layer ID", "");
if (cid) {
confMan.modCommand("vid-layer", x, cid);
}
});
$("#" + layer_next_id).click(function() {
confMan.modCommand("vid-layer", x, "next");
});
$("#" + layer_prev_id).click(function() {
confMan.modCommand("vid-layer", x, "prev");
});
$("#" + canvas_in_set_id).click(function() {
var cid = prompt("Please enter canvas ID", "");
if (cid) {
confMan.modCommand("vid-canvas", x, cid);
}
});
$("#" + canvas_out_set_id).click(function() {
var cid = prompt("Please enter canvas ID", "");
if (cid) {
confMan.modCommand("vid-watching-canvas", x, cid);
}
});
$("#" + canvas_in_next_id).click(function() {
confMan.modCommand("vid-canvas", x, "next");
});
$("#" + canvas_in_prev_id).click(function() {
confMan.modCommand("vid-canvas", x, "prev");
});
$("#" + canvas_out_next_id).click(function() {
confMan.modCommand("vid-watching-canvas", x, "next");
});
$("#" + canvas_out_prev_id).click(function() {
confMan.modCommand("vid-watching-canvas", x, "prev");
});
$("#" + tmute_id).click(function() {
confMan.modCommand("tmute", x);
});
if (confMan.params.hasVid) {
$("#" + tvmute_id).click(function() {
confMan.modCommand("tvmute", x);
});
$("#" + tvpresenter_id).click(function() {
confMan.modCommand("vid-res-id", x, "presenter");
});
$("#" + tvfloor_id).click(function() {
confMan.modCommand("vid-floor", x, "force");
});
$("#" + vbanner_id).click(function() {
var text = prompt("Please enter text", "");
if (text) {
confMan.modCommand("vid-banner", x, escape(text));
}
});
}
$("#" + gainup_id).click(function() {
confMan.modCommand("volume_in", x, "up");
});
$("#" + gaindn_id).click(function() {
confMan.modCommand("volume_in", x, "down");
});
$("#" + volup_id).click(function() {
confMan.modCommand("volume_out", x, "up");
});
$("#" + voldn_id).click(function() {
confMan.modCommand("volume_out", x, "down");
});
return html;
}
var atitle = "";
var awidth = 0;
//$(".jsDataTable").width(confMan.params.hasVid ? "900px" : "800px");
verto.subscribe(confMan.params.laData.infoChannel, {
handler: function(v, e) {
if (typeof(confMan.params.infoCallback) === "function") {
confMan.params.infoCallback(v,e);
}
}
});
verto.subscribe(confMan.params.laData.chatChannel, {
handler: function(v, e) {
if (typeof(confMan.params.chatCallback) === "function") {
confMan.params.chatCallback(v,e);
}
}
});
if (confMan.params.laData.role === "moderator") {
atitle = "Action";
awidth = 600;
if (confMan.params.mainModID) {
genMainMod($(confMan.params.mainModID));
$(confMan.params.displayID).html("Moderator Controls Ready<br><br>");
} else {
$(confMan.params.mainModID).html("");
}
verto.subscribe(confMan.params.laData.modChannel, {
handler: function(v, e) {
//console.error("MODDATA:", e.data);
if (confMan.params.onBroadcast) {
confMan.params.onBroadcast(verto, confMan, e.data);
}
if (e.data["conf-command"] === "list-videoLayouts") {
for (var j = 0; j < confMan.canvasCount; j++) {
var vlselect_id = "#confman_vl_select_" + j + "_" + confMan.serno;
var vlayout_id = "#confman_vid_layout_" + j + "_" + confMan.serno;
var x = 0;
var options;
$(vlselect_id).selectmenu({});
$(vlselect_id).selectmenu("enable");
$(vlselect_id).empty();
$(vlselect_id).append(new Option("Choose a Layout", "none"));
if (e.data.responseData) {
var rdata = [];
for (var i in e.data.responseData) {
rdata.push(e.data.responseData[i].name);
}
options = rdata.sort(function(a, b) {
var ga = a.substring(0, 6) == "group:" ? true : false;
var gb = b.substring(0, 6) == "group:" ? true : false;
if ((ga || gb) && ga != gb) {
return ga ? -1 : 1;
}
return ( ( a == b ) ? 0 : ( ( a > b ) ? 1 : -1 ) );
});
for (var i in options) {
$(vlselect_id).append(new Option(options[i], options[i]));
x++;
}
}
if (x) {
$(vlselect_id).selectmenu('refresh', true);
} else {
$(vlayout_id).hide();
}
}
} else {
if (!confMan.destroyed && confMan.params.displayID) {
$(confMan.params.displayID).html(e.data.response + "<br><br>");
if (confMan.lastTimeout) {
clearTimeout(confMan.lastTimeout);
confMan.lastTimeout = 0;
}
confMan.lastTimeout = setTimeout(function() { $(confMan.params.displayID).html(confMan.destroyed ? "" : "Moderator Controls Ready<br><br>");}, 4000);
}
}
}
});
if (confMan.params.hasVid) {
confMan.modCommand("list-videoLayouts", null, null);
}
}
var row_callback = null;
if (confMan.params.laData.role === "moderator") {
row_callback = function(nRow, aData, iDisplayIndex, iDisplayIndexFull) {
if (!aData[5]) {
var $row = $('td:eq(5)', nRow);
genControls($row, aData);
if (confMan.params.onLaRow) {
confMan.params.onLaRow(verto, confMan, $row, aData);
}
}
};
}
confMan.lt = new $.verto.liveTable(verto, confMan.params.laData.laChannel, confMan.params.laData.laName, $(confMan.params.tableID), {
subParams: {
callID: confMan.params.dialog ? confMan.params.dialog.callID : null
},
"onChange": function(obj, args) {
$(confMan.params.statusID).text("Conference Members: " + " (" + obj.arrayLen() + " Total)");
if (confMan.params.onLaChange) {
confMan.params.onLaChange(verto, confMan, $.verto.enum.confEvent.laChange, obj, args);
}
},
"aaData": [],
"aoColumns": [
{
"sTitle": "ID",
"sWidth": "50"
},
{
"sTitle": "Number",
"sWidth": "250"
},
{
"sTitle": "Name",
"sWidth": "250"
},
{
"sTitle": "Codec",
"sWidth": "100"
},
{
"sTitle": "Status",
"sWidth": confMan.params.hasVid ? "200px" : "150px"
},
{
"sTitle": atitle,
"sWidth": awidth,
}
],
"bAutoWidth": true,
"bDestroy": true,
"bSort": false,
"bInfo": false,
"bFilter": false,
"bLengthChange": false,
"bPaginate": false,
"iDisplayLength": 1400,
"oLanguage": {
"sEmptyTable": "The Conference is Empty....."
},
"fnRowCallback": row_callback
});
};
$.verto.confMan.prototype.modCommand = function(cmd, id, value) {
var confMan = this;
confMan.verto.rpcClient.call("verto.broadcast", {
"eventChannel": confMan.params.laData.modChannel,
"data": {
"application": "conf-control",
"command": cmd,
"id": id,
"value": value
}
});
};
$.verto.confMan.prototype.sendChat = function(message, type) {
var confMan = this;
confMan.verto.rpcClient.call("verto.broadcast", {
"eventChannel": confMan.params.laData.chatChannel,
"data": {
"action": "send",
"message": message,
"type": type
}
});
};
$.verto.confMan.prototype.destroy = function() {
var confMan = this;
confMan.destroyed = true;
if (confMan.lt) {
confMan.lt.destroy();
}
if (confMan.params.laData.chatChannel) {
confMan.verto.unsubscribe(confMan.params.laData.chatChannel);
}
if (confMan.params.laData.modChannel) {
confMan.verto.unsubscribe(confMan.params.laData.modChannel);
}
if (confMan.params.mainModID) {
$(confMan.params.mainModID).html("");
}
};
$.verto.dialog = function(direction, verto, params) {
var dialog = this;
dialog.params = $.extend({
useVideo: verto.options.useVideo,
useStereo: verto.options.useStereo,
screenShare: false,
useCamera: false,
useMic: verto.options.deviceParams.useMic,
useSpeak: verto.options.deviceParams.useSpeak,
tag: verto.options.tag,
localTag: verto.options.localTag,
login: verto.options.login,
videoParams: verto.options.videoParams,
useStream: verto.options.useStream,
}, params);
if (!dialog.params.screenShare) {
dialog.params.useCamera = verto.options.deviceParams.useCamera;
}
dialog.verto = verto;
dialog.direction = direction;
dialog.lastState = null;
dialog.state = dialog.lastState = $.verto.enum.state.new;
dialog.callbacks = verto.callbacks;
dialog.answered = false;
dialog.attach = params.attach || false;
dialog.screenShare = params.screenShare || false;
dialog.useCamera = dialog.params.useCamera;
dialog.useMic = dialog.params.useMic;
dialog.useSpeak = dialog.params.useSpeak;
if (dialog.params.callID) {
dialog.callID = dialog.params.callID;
} else {
dialog.callID = dialog.params.callID = generateGUID();
}
if (typeof(dialog.params.tag) === "function") {
dialog.params.tag = dialog.params.tag();
}
if (dialog.params.tag) {
dialog.audioStream = document.getElementById(dialog.params.tag);
if (dialog.params.useVideo) {
dialog.videoStream = dialog.audioStream;
}
} //else conjure one TBD
if (dialog.params.localTag) {
dialog.localVideo = document.getElementById(dialog.params.localTag);
}
dialog.verto.dialogs[dialog.callID] = dialog;
var RTCcallbacks = {};
if (dialog.direction == $.verto.enum.direction.inbound) {
if (dialog.params.display_direction === "outbound") {
dialog.params.remote_caller_id_name = dialog.params.caller_id_name;
dialog.params.remote_caller_id_number = dialog.params.caller_id_number;
} else {
dialog.params.remote_caller_id_name = dialog.params.callee_id_name;
dialog.params.remote_caller_id_number = dialog.params.callee_id_number;
}
if (!dialog.params.remote_caller_id_name) {
dialog.params.remote_caller_id_name = "Nobody";
}
if (!dialog.params.remote_caller_id_number) {
dialog.params.remote_caller_id_number = "UNKNOWN";
}
RTCcallbacks.onMessage = function(rtc, msg) {
console.debug(msg);
};
RTCcallbacks.onAnswerSDP = function(rtc, sdp) {
console.error("answer sdp", sdp);
};
} else {
dialog.params.remote_caller_id_name = "Outbound Call";
dialog.params.remote_caller_id_number = dialog.params.destination_number;
}
RTCcallbacks.onICESDP = function(rtc) {
console.log("RECV " + rtc.type + " SDP", rtc.mediaData.SDP);
if (dialog.state == $.verto.enum.state.requesting || dialog.state == $.verto.enum.state.answering || dialog.state == $.verto.enum.state.active) {
location.reload();
return;
}
if (rtc.type == "offer") {
if (dialog.state == $.verto.enum.state.active) {
dialog.setState($.verto.enum.state.requesting);
dialog.sendMethod("verto.attach", {
sdp: rtc.mediaData.SDP
});
} else {
dialog.setState($.verto.enum.state.requesting);
dialog.sendMethod("verto.invite", {
sdp: rtc.mediaData.SDP
});
}
} else { //answer
dialog.setState($.verto.enum.state.answering);
dialog.sendMethod(dialog.attach ? "verto.attach" : "verto.answer", {
sdp: dialog.rtc.mediaData.SDP
});
}
};
RTCcallbacks.onICE = function(rtc) {
//console.log("cand", rtc.mediaData.candidate);
if (rtc.type == "offer") {
console.log("offer", rtc.mediaData.candidate);
return;
}
};
RTCcallbacks.onStream = function(rtc, stream) {
if (dialog.callbacks.permissionCallback &&
typeof dialog.callbacks.permissionCallback.onGranted === 'function') {
dialog.callbacks.permissionCallback.onGranted(stream);
}
else if (dialog.verto.options.permissionCallback &&
typeof dialog.verto.options.permissionCallback.onGranted === 'function'){
dialog.verto.options.permissionCallback.onGranted(stream);
}
console.log("stream started");
};
RTCcallbacks.onRemoteStream = function(rtc, stream) {
if (typeof dialog.callbacks.onRemoteStream === 'function') {
dialog.callbacks.onRemoteStream(stream, dialog);
}
console.log("remote stream started");
};
RTCcallbacks.onError = function(e) {
if (dialog.callbacks.permissionCallback &&
typeof dialog.callbacks.permissionCallback.onDenied === 'function') {
dialog.callbacks.permissionCallback.onDenied();
}
else if (dialog.verto.options.permissionCallback &&
typeof dialog.verto.options.permissionCallback.onDenied === 'function'){
dialog.verto.options.permissionCallback.onDenied();
}
console.error("ERROR:", e);
dialog.hangup({cause: "Device or Permission Error"});
};
dialog.rtc = new $.FSRTC({
callbacks: RTCcallbacks,
localVideo: dialog.screenShare ? null : dialog.localVideo,
useVideo: dialog.params.useVideo ? dialog.videoStream : null,
useAudio: dialog.audioStream,
useStereo: dialog.params.useStereo,
videoParams: dialog.params.videoParams,
audioParams: verto.options.audioParams,
iceServers: verto.options.iceServers,
screenShare: dialog.screenShare,
useCamera: dialog.useCamera,
useMic: dialog.useMic,
useSpeak: dialog.useSpeak,
turnServer: verto.options.turnServer,
useStream: dialog.params.useStream
});
dialog.rtc.verto = dialog.verto;
if (dialog.direction == $.verto.enum.direction.inbound) {
if (dialog.attach) {
dialog.answer();
} else {
dialog.ring();
}
}
};
$.verto.dialog.prototype.invite = function() {
var dialog = this;
dialog.rtc.call();
};
$.verto.dialog.prototype.sendMethod = function(method, obj) {
var dialog = this;
obj.dialogParams = {};
for (var i in dialog.params) {
if (i == "sdp" && method != "verto.invite" && method != "verto.attach") {
continue;
}
if ((obj.noDialogParams && i != "callID")) {
continue;
}
obj.dialogParams[i] = dialog.params[i];
}
delete obj.noDialogParams;
dialog.verto.rpcClient.call(method, obj,
function(e) {
/* Success */
dialog.processReply(method, true, e);
},
function(e) {
/* Error */
dialog.processReply(method, false, e);
});
};
function checkStateChange(oldS, newS) {
if (newS == $.verto.enum.state.purge || $.verto.enum.states[oldS.name][newS.name]) {
return true;
}
return false;
}
// Attach audio output device to video element using device/sink ID.
function find_name(id) {
for (var i in $.verto.audioOutDevices) {
var source = $.verto.audioOutDevices[i];
if (source.id === id) {
return(source.label);
}
}
return id;
}
$.verto.dialog.prototype.setAudioPlaybackDevice = function(sinkId, callback, arg) {
var dialog = this;
var element = dialog.audioStream;
if (typeof element.sinkId !== 'undefined') {
var devname = find_name(sinkId);
console.info("Dialog: " + dialog.callID + " Setting speaker:", element, devname);
element.setSinkId(sinkId)
.then(function() {
console.log("Dialog: " + dialog.callID + ' Success, audio output device attached: ' + sinkId);
if (callback) {
callback(true, devname, arg);
}
})
.catch(function(error) {
var errorMessage = error;
if (error.name === 'SecurityError') {
errorMessage = "Dialog: " + dialog.callID + ' You need to use HTTPS for selecting audio output ' +
'device: ' + error;
}
if (callback) {
callback(false, null, arg);
}
console.error(errorMessage);
});
} else {
console.warn("Dialog: " + dialog.callID + ' Browser does not support output device selection.');
if (callback) {
callback(false, null, arg);
}
}
}
$.verto.dialog.prototype.setState = function(state) {
var dialog = this;
if (dialog.state == $.verto.enum.state.ringing) {
dialog.stopRinging();
}
if (dialog.state == state || !checkStateChange(dialog.state, state)) {
console.error("Dialog " + dialog.callID + ": INVALID state change from " + dialog.state.name + " to " + state.name);
dialog.hangup();
return false;
}
console.log("Dialog " + dialog.callID + ": state change from " + dialog.state.name + " to " + state.name);
dialog.lastState = dialog.state;
dialog.state = state;
if (dialog.callbacks.onDialogState) {
dialog.callbacks.onDialogState(this);
}
switch (dialog.state) {
case $.verto.enum.state.early:
case $.verto.enum.state.active:
var speaker = dialog.useSpeak;
console.info("Using Speaker: ", speaker);
if (speaker && speaker !== "any" && speaker !== "none") {
setTimeout(function() {
dialog.setAudioPlaybackDevice(speaker);
}, 500);
}
break;
case $.verto.enum.state.trying:
setTimeout(function() {
if (dialog.state == $.verto.enum.state.trying) {
dialog.setState($.verto.enum.state.hangup);
}
}, 30000);
break;
case $.verto.enum.state.purge:
dialog.setState($.verto.enum.state.destroy);
break;
case $.verto.enum.state.hangup:
if (dialog.lastState.val > $.verto.enum.state.requesting.val && dialog.lastState.val < $.verto.enum.state.hangup.val) {
dialog.sendMethod("verto.bye", {});
}
dialog.setState($.verto.enum.state.destroy);
break;
case $.verto.enum.state.destroy:
if (typeof(dialog.verto.options.tag) === "function") {
$('#' + dialog.params.tag).remove();
}
delete dialog.verto.dialogs[dialog.callID];
if (dialog.params.screenShare) {
dialog.rtc.stopPeer();
} else {
dialog.rtc.stop();
}
break;
}
return true;
};
$.verto.dialog.prototype.processReply = function(method, success, e) {
var dialog = this;
//console.log("Response: " + method + " State:" + dialog.state.name, success, e);
switch (method) {
case "verto.answer":
case "verto.attach":
if (success) {
dialog.setState($.verto.enum.state.active);
} else {
dialog.hangup();
}
break;
case "verto.invite":
if (success) {
dialog.setState($.verto.enum.state.trying);
} else {
dialog.setState($.verto.enum.state.destroy);
}
break;
case "verto.bye":
dialog.hangup();
break;
case "verto.modify":
if (e.holdState) {
if (e.holdState == "held") {
if (dialog.state != $.verto.enum.state.held) {
dialog.setState($.verto.enum.state.held);
}
} else if (e.holdState == "active") {
if (dialog.state != $.verto.enum.state.active) {
dialog.setState($.verto.enum.state.active);
}
}
}
if (success) {}
break;
default:
break;
}
};
$.verto.dialog.prototype.hangup = function(params) {
var dialog = this;
if (params) {
if (params.causeCode) {
dialog.causeCode = params.causeCode;
}
if (params.cause) {
dialog.cause = params.cause;
}
}
if (!dialog.cause && !dialog.causeCode) {
dialog.cause = "NORMAL_CLEARING";
}
if (dialog.state.val >= $.verto.enum.state.new.val && dialog.state.val < $.verto.enum.state.hangup.val) {
dialog.setState($.verto.enum.state.hangup);
} else if (dialog.state.val < $.verto.enum.state.destroy) {
dialog.setState($.verto.enum.state.destroy);
}
};
$.verto.dialog.prototype.stopRinging = function() {
var dialog = this;
if (dialog.verto.ringer) {
dialog.verto.ringer.stop();
}
};
$.verto.dialog.prototype.indicateRing = function() {
var dialog = this;
if (dialog.verto.ringer) {
dialog.verto.ringer.attr("src", dialog.verto.options.ringFile)[0].play();
setTimeout(function() {
dialog.stopRinging();
if (dialog.state == $.verto.enum.state.ringing) {
dialog.indicateRing();
}
},
dialog.verto.options.ringSleep);
}
};
$.verto.dialog.prototype.ring = function() {
var dialog = this;
dialog.setState($.verto.enum.state.ringing);
dialog.indicateRing();
};
$.verto.dialog.prototype.useVideo = function(on) {
var dialog = this;
dialog.params.useVideo = on;
if (on) {
dialog.videoStream = dialog.audioStream;
} else {
dialog.videoStream = null;
}
dialog.rtc.useVideo(dialog.videoStream, dialog.localVideo);
};
$.verto.dialog.prototype.setMute = function(what) {
var dialog = this;
return dialog.rtc.setMute(what);
};
$.verto.dialog.prototype.getMute = function() {
var dialog = this;
return dialog.rtc.getMute();
};
$.verto.dialog.prototype.setVideoMute = function(what) {
var dialog = this;
return dialog.rtc.setVideoMute(what);
};
$.verto.dialog.prototype.getVideoMute = function() {
var dialog = this;
return dialog.rtc.getVideoMute();
};
$.verto.dialog.prototype.useStereo = function(on) {
var dialog = this;
dialog.params.useStereo = on;
dialog.rtc.useStereo(on);
};
$.verto.dialog.prototype.dtmf = function(digits) {
var dialog = this;
if (digits) {
dialog.sendMethod("verto.info", {
dtmf: digits
});
}
};
$.verto.dialog.prototype.rtt = function(obj) {
var dialog = this;
var pobj = {};
if (!obj) {
return false;
}
pobj.code = obj.code;
pobj.chars = obj.chars;
if (pobj.chars || pobj.code) {
dialog.sendMethod("verto.info", {
txt: obj,
noDialogParams: true
});
}
};
$.verto.dialog.prototype.transfer = function(dest, params) {
var dialog = this;
if (dest) {
dialog.sendMethod("verto.modify", {
action: "transfer",
destination: dest,
params: params
});
}
};
$.verto.dialog.prototype.replace = function(replaceCallID, params) {
var dialog = this;
if (replaceCallID) {
dialog.sendMethod("verto.modify", {
action: "replace",
replaceCallID: replaceCallID,
params: params
});
}
};
$.verto.dialog.prototype.hold = function(params) {
var dialog = this;
dialog.sendMethod("verto.modify", {
action: "hold",
params: params
});
};
$.verto.dialog.prototype.unhold = function(params) {
var dialog = this;
dialog.sendMethod("verto.modify", {
action: "unhold",
params: params
});
};
$.verto.dialog.prototype.toggleHold = function(params) {
var dialog = this;
dialog.sendMethod("verto.modify", {
action: "toggleHold",
params: params
});
};
$.verto.dialog.prototype.message = function(msg) {
var dialog = this;
var err = 0;
msg.from = dialog.params.login;
if (!msg.to) {
console.error("Missing To");
err++;
}
if (!msg.body) {
console.error("Missing Body");
err++;
}
if (err) {
return false;
}
dialog.sendMethod("verto.info", {
msg: msg
});
return true;
};
$.verto.dialog.prototype.answer = function(params) {
var dialog = this;
if (!dialog.answered) {
if (!params) {
params = {};
}
params.sdp = dialog.params.sdp;
if (params) {
if (params.useVideo) {
dialog.useVideo(true);
}
dialog.params.callee_id_name = params.callee_id_name;
dialog.params.callee_id_number = params.callee_id_number;
if (params.useCamera) {
dialog.useCamera = params.useCamera;
}
if (params.useMic) {
dialog.useMic = params.useMic;
}
if (params.useSpeak) {
dialog.useSpeak = params.useSpeak;
}
}
dialog.rtc.createAnswer(params);
dialog.answered = true;
}
};
$.verto.dialog.prototype.handleAnswer = function(params) {
var dialog = this;
dialog.gotAnswer = true;
if (dialog.state.val >= $.verto.enum.state.active.val) {
return;
}
if (dialog.state.val >= $.verto.enum.state.early.val) {
dialog.setState($.verto.enum.state.active);
} else {
if (dialog.gotEarly) {
console.log("Dialog " + dialog.callID + " Got answer while still establishing early media, delaying...");
} else {
console.log("Dialog " + dialog.callID + " Answering Channel");
dialog.rtc.answer(params.sdp, function() {
dialog.setState($.verto.enum.state.active);
}, function(e) {
console.error(e);
dialog.hangup();
});
console.log("Dialog " + dialog.callID + "ANSWER SDP", params.sdp);
}
}
};
$.verto.dialog.prototype.cidString = function(enc) {
var dialog = this;
var party = dialog.params.remote_caller_id_name + (enc ? " <" : " <") + dialog.params.remote_caller_id_number + (enc ? ">" : ">");
return party;
};
$.verto.dialog.prototype.sendMessage = function(msg, params) {
var dialog = this;
if (dialog.callbacks.onMessage) {
dialog.callbacks.onMessage(dialog.verto, dialog, msg, params);
}
};
$.verto.dialog.prototype.handleInfo = function(params) {
var dialog = this;
dialog.sendMessage($.verto.enum.message.info, params);
};
$.verto.dialog.prototype.handleDisplay = function(params) {
var dialog = this;
if (params.display_name) {
dialog.params.remote_caller_id_name = params.display_name;
}
if (params.display_number) {
dialog.params.remote_caller_id_number = params.display_number;
}
dialog.sendMessage($.verto.enum.message.display, {});
};
$.verto.dialog.prototype.handleMedia = function(params) {
var dialog = this;
if (dialog.state.val >= $.verto.enum.state.early.val) {
return;
}
dialog.gotEarly = true;
dialog.rtc.answer(params.sdp, function() {
console.log("Dialog " + dialog.callID + "Establishing early media");
dialog.setState($.verto.enum.state.early);
if (dialog.gotAnswer) {
console.log("Dialog " + dialog.callID + "Answering Channel");
dialog.setState($.verto.enum.state.active);
}
}, function(e) {
console.error(e);
dialog.hangup();
});
console.log("Dialog " + dialog.callID + "EARLY SDP", params.sdp);
};
$.verto.ENUM = function(s) {
var i = 0,
o = {};
s.split(" ").map(function(x) {
o[x] = {
name: x,
val: i++
};
});
return Object.freeze(o);
};
$.verto.enum = {};
$.verto.enum.states = Object.freeze({
new: {
requesting: 1,
recovering: 1,
ringing: 1,
destroy: 1,
answering: 1,
hangup: 1
},
requesting: {
trying: 1,
hangup: 1,
active: 1
},
recovering: {
answering: 1,
hangup: 1
},
trying: {
active: 1,
early: 1,
hangup: 1
},
ringing: {
answering: 1,
hangup: 1
},
answering: {
active: 1,
hangup: 1
},
active: {
answering: 1,
requesting: 1,
hangup: 1,
held: 1
},
held: {
hangup: 1,
active: 1
},
early: {
hangup: 1,
active: 1
},
hangup: {
destroy: 1
},
destroy: {},
purge: {
destroy: 1
}
});
$.verto.enum.state = $.verto.ENUM("new requesting trying recovering ringing answering early active held hangup destroy purge");
$.verto.enum.direction = $.verto.ENUM("inbound outbound");
$.verto.enum.message = $.verto.ENUM("display info pvtEvent clientReady");
$.verto.enum = Object.freeze($.verto.enum);
$.verto.saved = [];
$.verto.unloadJobs = [];
var unloadEventName = 'beforeunload';
// Hacks for Mobile Safari
var iOS = ['iPad', 'iPhone', 'iPod'].indexOf(navigator.platform) >= 0;
if (iOS) {
unloadEventName = 'pagehide';
}
$(window).bind(unloadEventName, function() {
for (var f in $.verto.unloadJobs) {
$.verto.unloadJobs[f]();
}
if ($.verto.haltClosure)
return $.verto.haltClosure();
for (var i in $.verto.saved) {
var verto = $.verto.saved[i];
if (verto) {
verto.purge();
verto.logout();
}
}
return $.verto.warnOnUnload;
});
$.verto.videoDevices = [];
$.verto.audioInDevices = [];
$.verto.audioOutDevices = [];
var checkDevices = function(runtime) {
console.info("enumerating devices");
var aud_in = [], aud_out = [], vid = [];
var has_video = 0, has_audio = 0;
var Xstream;
function gotDevices(deviceInfos) {
// Handles being called several times to update labels. Preserve values.
for (var i = 0; i !== deviceInfos.length; ++i) {
var deviceInfo = deviceInfos[i];
var text = "";
console.log(deviceInfo);
console.log(deviceInfo.kind + ": " + deviceInfo.label + " id = " + deviceInfo.deviceId);
if (deviceInfo.kind === 'audioinput') {
text = deviceInfo.label || 'microphone ' + (aud_in.length + 1);
aud_in.push({id: deviceInfo.deviceId, kind: "audio_in", label: text});
} else if (deviceInfo.kind === 'audiooutput') {
text = deviceInfo.label || 'speaker ' + (aud_out.length + 1);
aud_out.push({id: deviceInfo.deviceId, kind: "audio_out", label: text});
} else if (deviceInfo.kind === 'videoinput') {
text = deviceInfo.label || 'camera ' + (vid.length + 1);
vid.push({id: deviceInfo.deviceId, kind: "video", label: text});
} else {
console.log('Some other kind of source/device: ', deviceInfo);
}
}
$.verto.videoDevices = vid;
$.verto.audioInDevices = aud_in;
$.verto.audioOutDevices = aud_out;
console.info("Audio IN Devices", $.verto.audioInDevices);
console.info("Audio Out Devices", $.verto.audioOutDevices);
console.info("Video Devices", $.verto.videoDevices);
if (Xstream) {
Xstream.getTracks().forEach(function(track) {track.stop();});
}
if (runtime) {
runtime(true);
}
}
function handleError(error) {
console.log('device enumeration error: ', error);
if (runtime) runtime(false);
}
function checkTypes(devs) {
for (var i = 0; i !== devs.length; ++i) {
if (devs[i].kind === 'audioinput') {
has_audio++;
} else if (devs[i].kind === 'videoinput') {
has_video++;
}
}
navigator.getUserMedia({ audio: (has_audio > 0 ? true : false), video: (has_video > 0 ? true : false)},
function(stream) {
Xstream = stream;
navigator.mediaDevices.enumerateDevices().then(gotDevices).catch(handleError);
},
function(err) {
console.log("The following error occurred: " + err.name);
}
);
}
navigator.mediaDevices.enumerateDevices().then(checkTypes).catch(handleError);
};
$.verto.refreshDevices = function(runtime) {
checkDevices(runtime);
}
$.verto.init = function(obj, runtime) {
if (!obj) {
obj = {};
}
if (!obj.skipPermCheck && !obj.skipDeviceCheck) {
$.FSRTC.checkPerms(function(status) {
checkDevices(runtime);
}, true, true);
} else if (obj.skipPermCheck && !obj.skipDeviceCheck) {
checkDevices(runtime);
} else if (!obj.skipPermCheck && obj.skipDeviceCheck) {
$.FSRTC.checkPerms(function(status) {
runtime(status);
}, true, true);
} else {
runtime(null);
}
}
$.verto.genUUID = function () {
return generateGUID();
}
})(jQuery);
(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.adapter = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
/*
* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
var SDPUtils = require('sdp');
function writeMediaSection(transceiver, caps, type, stream, dtlsRole) {
var sdp = SDPUtils.writeRtpDescription(transceiver.kind, caps);
// Map ICE parameters (ufrag, pwd) to SDP.
sdp += SDPUtils.writeIceParameters(
transceiver.iceGatherer.getLocalParameters());
// Map DTLS parameters to SDP.
sdp += SDPUtils.writeDtlsParameters(
transceiver.dtlsTransport.getLocalParameters(),
type === 'offer' ? 'actpass' : dtlsRole || 'active');
sdp += 'a=mid:' + transceiver.mid + '\r\n';
if (transceiver.rtpSender && transceiver.rtpReceiver) {
sdp += 'a=sendrecv\r\n';
} else if (transceiver.rtpSender) {
sdp += 'a=sendonly\r\n';
} else if (transceiver.rtpReceiver) {
sdp += 'a=recvonly\r\n';
} else {
sdp += 'a=inactive\r\n';
}
if (transceiver.rtpSender) {
// spec.
var msid = 'msid:' + stream.id + ' ' +
transceiver.rtpSender.track.id + '\r\n';
sdp += 'a=' + msid;
// for Chrome.
sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +
' ' + msid;
if (transceiver.sendEncodingParameters[0].rtx) {
sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +
' ' + msid;
sdp += 'a=ssrc-group:FID ' +
transceiver.sendEncodingParameters[0].ssrc + ' ' +
transceiver.sendEncodingParameters[0].rtx.ssrc +
'\r\n';
}
}
// FIXME: this should be written by writeRtpDescription.
sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +
' cname:' + SDPUtils.localCName + '\r\n';
if (transceiver.rtpSender && transceiver.sendEncodingParameters[0].rtx) {
sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +
' cname:' + SDPUtils.localCName + '\r\n';
}
return sdp;
}
// Edge does not like
// 1) stun: filtered after 14393 unless ?transport=udp is present
// 2) turn: that does not have all of turn:host:port?transport=udp
// 3) turn: with ipv6 addresses
// 4) turn: occurring muliple times
function filterIceServers(iceServers, edgeVersion) {
var hasTurn = false;
iceServers = JSON.parse(JSON.stringify(iceServers));
return iceServers.filter(function(server) {
if (server && (server.urls || server.url)) {
var urls = server.urls || server.url;
if (server.url && !server.urls) {
console.warn('RTCIceServer.url is deprecated! Use urls instead.');
}
var isString = typeof urls === 'string';
if (isString) {
urls = [urls];
}
urls = urls.filter(function(url) {
var validTurn = url.indexOf('turn:') === 0 &&
url.indexOf('transport=udp') !== -1 &&
url.indexOf('turn:[') === -1 &&
!hasTurn;
if (validTurn) {
hasTurn = true;
return true;
}
return url.indexOf('stun:') === 0 && edgeVersion >= 14393 &&
url.indexOf('?transport=udp') === -1;
});
delete server.url;
server.urls = isString ? urls[0] : urls;
return !!urls.length;
}
});
}
// Determines the intersection of local and remote capabilities.
function getCommonCapabilities(localCapabilities, remoteCapabilities) {
var commonCapabilities = {
codecs: [],
headerExtensions: [],
fecMechanisms: []
};
var findCodecByPayloadType = function(pt, codecs) {
pt = parseInt(pt, 10);
for (var i = 0; i < codecs.length; i++) {
if (codecs[i].payloadType === pt ||
codecs[i].preferredPayloadType === pt) {
return codecs[i];
}
}
};
var rtxCapabilityMatches = function(lRtx, rRtx, lCodecs, rCodecs) {
var lCodec = findCodecByPayloadType(lRtx.parameters.apt, lCodecs);
var rCodec = findCodecByPayloadType(rRtx.parameters.apt, rCodecs);
return lCodec && rCodec &&
lCodec.name.toLowerCase() === rCodec.name.toLowerCase();
};
localCapabilities.codecs.forEach(function(lCodec) {
for (var i = 0; i < remoteCapabilities.codecs.length; i++) {
var rCodec = remoteCapabilities.codecs[i];
if (lCodec.name.toLowerCase() === rCodec.name.toLowerCase() &&
lCodec.clockRate === rCodec.clockRate) {
if (lCodec.name.toLowerCase() === 'rtx' &&
lCodec.parameters && rCodec.parameters.apt) {
// for RTX we need to find the local rtx that has a apt
// which points to the same local codec as the remote one.
if (!rtxCapabilityMatches(lCodec, rCodec,
localCapabilities.codecs, remoteCapabilities.codecs)) {
continue;
}
}
rCodec = JSON.parse(JSON.stringify(rCodec)); // deepcopy
// number of channels is the highest common number of channels
rCodec.numChannels = Math.min(lCodec.numChannels,
rCodec.numChannels);
// push rCodec so we reply with offerer payload type
commonCapabilities.codecs.push(rCodec);
// determine common feedback mechanisms
rCodec.rtcpFeedback = rCodec.rtcpFeedback.filter(function(fb) {
for (var j = 0; j < lCodec.rtcpFeedback.length; j++) {
if (lCodec.rtcpFeedback[j].type === fb.type &&
lCodec.rtcpFeedback[j].parameter === fb.parameter) {
return true;
}
}
return false;
});
// FIXME: also need to determine .parameters
// see https://github.com/openpeer/ortc/issues/569
break;
}
}
});
localCapabilities.headerExtensions.forEach(function(lHeaderExtension) {
for (var i = 0; i < remoteCapabilities.headerExtensions.length;
i++) {
var rHeaderExtension = remoteCapabilities.headerExtensions[i];
if (lHeaderExtension.uri === rHeaderExtension.uri) {
commonCapabilities.headerExtensions.push(rHeaderExtension);
break;
}
}
});
// FIXME: fecMechanisms
return commonCapabilities;
}
// is action=setLocalDescription with type allowed in signalingState
function isActionAllowedInSignalingState(action, type, signalingState) {
return {
offer: {
setLocalDescription: ['stable', 'have-local-offer'],
setRemoteDescription: ['stable', 'have-remote-offer']
},
answer: {
setLocalDescription: ['have-remote-offer', 'have-local-pranswer'],
setRemoteDescription: ['have-local-offer', 'have-remote-pranswer']
}
}[type][action].indexOf(signalingState) !== -1;
}
function maybeAddCandidate(iceTransport, candidate) {
// Edge's internal representation adds some fields therefore
// not all fieldѕ are taken into account.
var alreadyAdded = iceTransport.getRemoteCandidates()
.find(function(remoteCandidate) {
return candidate.foundation === remoteCandidate.foundation &&
candidate.ip === remoteCandidate.ip &&
candidate.port === remoteCandidate.port &&
candidate.priority === remoteCandidate.priority &&
candidate.protocol === remoteCandidate.protocol &&
candidate.type === remoteCandidate.type;
});
if (!alreadyAdded) {
iceTransport.addRemoteCandidate(candidate);
}
return !alreadyAdded;
}
// https://w3c.github.io/mediacapture-main/#mediastream
// Helper function to add the track to the stream and
// dispatch the event ourselves.
function addTrackToStreamAndFireEvent(track, stream) {
stream.addTrack(track);
var e = new Event('addtrack'); // TODO: MediaStreamTrackEvent
e.track = track;
stream.dispatchEvent(e);
}
function removeTrackFromStreamAndFireEvent(track, stream) {
stream.removeTrack(track);
var e = new Event('removetrack'); // TODO: MediaStreamTrackEvent
e.track = track;
stream.dispatchEvent(e);
}
function fireAddTrack(pc, track, receiver, streams) {
var trackEvent = new Event('track');
trackEvent.track = track;
trackEvent.receiver = receiver;
trackEvent.transceiver = {receiver: receiver};
trackEvent.streams = streams;
window.setTimeout(function() {
pc._dispatchEvent('track', trackEvent);
});
}
function makeError(name, description) {
var e = new Error(description);
e.name = name;
return e;
}
module.exports = function(window, edgeVersion) {
var RTCPeerConnection = function(config) {
var pc = this;
var _eventTarget = document.createDocumentFragment();
['addEventListener', 'removeEventListener', 'dispatchEvent']
.forEach(function(method) {
pc[method] = _eventTarget[method].bind(_eventTarget);
});
this.canTrickleIceCandidates = null;
this.needNegotiation = false;
this.localStreams = [];
this.remoteStreams = [];
this.localDescription = null;
this.remoteDescription = null;
this.signalingState = 'stable';
this.iceConnectionState = 'new';
this.iceGatheringState = 'new';
config = JSON.parse(JSON.stringify(config || {}));
this.usingBundle = config.bundlePolicy === 'max-bundle';
if (config.rtcpMuxPolicy === 'negotiate') {
throw(makeError('NotSupportedError',
'rtcpMuxPolicy \'negotiate\' is not supported'));
} else if (!config.rtcpMuxPolicy) {
config.rtcpMuxPolicy = 'require';
}
switch (config.iceTransportPolicy) {
case 'all':
case 'relay':
break;
default:
config.iceTransportPolicy = 'all';
break;
}
switch (config.bundlePolicy) {
case 'balanced':
case 'max-compat':
case 'max-bundle':
break;
default:
config.bundlePolicy = 'balanced';
break;
}
config.iceServers = filterIceServers(config.iceServers || [], edgeVersion);
this._iceGatherers = [];
if (config.iceCandidatePoolSize) {
for (var i = config.iceCandidatePoolSize; i > 0; i--) {
this._iceGatherers = new window.RTCIceGatherer({
iceServers: config.iceServers,
gatherPolicy: config.iceTransportPolicy
});
}
} else {
config.iceCandidatePoolSize = 0;
}
this._config = config;
// per-track iceGathers, iceTransports, dtlsTransports, rtpSenders, ...
// everything that is needed to describe a SDP m-line.
this.transceivers = [];
this._sdpSessionId = SDPUtils.generateSessionId();
this._sdpSessionVersion = 0;
this._dtlsRole = undefined; // role for a=setup to use in answers.
this._isClosed = false;
};
// set up event handlers on prototype
RTCPeerConnection.prototype.onicecandidate = null;
RTCPeerConnection.prototype.onaddstream = null;
RTCPeerConnection.prototype.ontrack = null;
RTCPeerConnection.prototype.onremovestream = null;
RTCPeerConnection.prototype.onsignalingstatechange = null;
RTCPeerConnection.prototype.oniceconnectionstatechange = null;
RTCPeerConnection.prototype.onicegatheringstatechange = null;
RTCPeerConnection.prototype.onnegotiationneeded = null;
RTCPeerConnection.prototype.ondatachannel = null;
RTCPeerConnection.prototype._dispatchEvent = function(name, event) {
if (this._isClosed) {
return;
}
this.dispatchEvent(event);
if (typeof this['on' + name] === 'function') {
this['on' + name](event);
}
};
RTCPeerConnection.prototype._emitGatheringStateChange = function() {
var event = new Event('icegatheringstatechange');
this._dispatchEvent('icegatheringstatechange', event);
};
RTCPeerConnection.prototype.getConfiguration = function() {
return this._config;
};
RTCPeerConnection.prototype.getLocalStreams = function() {
return this.localStreams;
};
RTCPeerConnection.prototype.getRemoteStreams = function() {
return this.remoteStreams;
};
// internal helper to create a transceiver object.
// (whih is not yet the same as the WebRTC 1.0 transceiver)
RTCPeerConnection.prototype._createTransceiver = function(kind) {
var hasBundleTransport = this.transceivers.length > 0;
var transceiver = {
track: null,
iceGatherer: null,
iceTransport: null,
dtlsTransport: null,
localCapabilities: null,
remoteCapabilities: null,
rtpSender: null,
rtpReceiver: null,
kind: kind,
mid: null,
sendEncodingParameters: null,
recvEncodingParameters: null,
stream: null,
associatedRemoteMediaStreams: [],
wantReceive: true
};
if (this.usingBundle && hasBundleTransport) {
transceiver.iceTransport = this.transceivers[0].iceTransport;
transceiver.dtlsTransport = this.transceivers[0].dtlsTransport;
} else {
var transports = this._createIceAndDtlsTransports();
transceiver.iceTransport = transports.iceTransport;
transceiver.dtlsTransport = transports.dtlsTransport;
}
this.transceivers.push(transceiver);
return transceiver;
};
RTCPeerConnection.prototype.addTrack = function(track, stream) {
var alreadyExists = this.transceivers.find(function(s) {
return s.track === track;
});
if (alreadyExists) {
throw makeError('InvalidAccessError', 'Track already exists.');
}
if (this.signalingState === 'closed') {
throw makeError('InvalidStateError',
'Attempted to call addTrack on a closed peerconnection.');
}
var transceiver;
for (var i = 0; i < this.transceivers.length; i++) {
if (!this.transceivers[i].track &&
this.transceivers[i].kind === track.kind) {
transceiver = this.transceivers[i];
}
}
if (!transceiver) {
transceiver = this._createTransceiver(track.kind);
}
this._maybeFireNegotiationNeeded();
if (this.localStreams.indexOf(stream) === -1) {
this.localStreams.push(stream);
}
transceiver.track = track;
transceiver.stream = stream;
transceiver.rtpSender = new window.RTCRtpSender(track,
transceiver.dtlsTransport);
return transceiver.rtpSender;
};
RTCPeerConnection.prototype.addStream = function(stream) {
var pc = this;
if (edgeVersion >= 15025) {
stream.getTracks().forEach(function(track) {
pc.addTrack(track, stream);
});
} else {
// Clone is necessary for local demos mostly, attaching directly
// to two different senders does not work (build 10547).
// Fixed in 15025 (or earlier)
var clonedStream = stream.clone();
stream.getTracks().forEach(function(track, idx) {
var clonedTrack = clonedStream.getTracks()[idx];
track.addEventListener('enabled', function(event) {
clonedTrack.enabled = event.enabled;
});
});
clonedStream.getTracks().forEach(function(track) {
pc.addTrack(track, clonedStream);
});
}
};
RTCPeerConnection.prototype.removeTrack = function(sender) {
if (!(sender instanceof window.RTCRtpSender)) {
throw new TypeError('Argument 1 of RTCPeerConnection.removeTrack ' +
'does not implement interface RTCRtpSender.');
}
var transceiver = this.transceivers.find(function(t) {
return t.rtpSender === sender;
});
if (!transceiver) {
throw makeError('InvalidAccessError',
'Sender was not created by this connection.');
}
var stream = transceiver.stream;
transceiver.rtpSender.stop();
transceiver.rtpSender = null;
transceiver.track = null;
transceiver.stream = null;
// remove the stream from the set of local streams
var localStreams = this.transceivers.map(function(t) {
return t.stream;
});
if (localStreams.indexOf(stream) === -1 &&
this.localStreams.indexOf(stream) > -1) {
this.localStreams.splice(this.localStreams.indexOf(stream), 1);
}
this._maybeFireNegotiationNeeded();
};
RTCPeerConnection.prototype.removeStream = function(stream) {
var pc = this;
stream.getTracks().forEach(function(track) {
var sender = pc.getSenders().find(function(s) {
return s.track === track;
});
if (sender) {
pc.removeTrack(sender);
}
});
};
RTCPeerConnection.prototype.getSenders = function() {
return this.transceivers.filter(function(transceiver) {
return !!transceiver.rtpSender;
})
.map(function(transceiver) {
return transceiver.rtpSender;
});
};
RTCPeerConnection.prototype.getReceivers = function() {
return this.transceivers.filter(function(transceiver) {
return !!transceiver.rtpReceiver;
})
.map(function(transceiver) {
return transceiver.rtpReceiver;
});
};
RTCPeerConnection.prototype._createIceGatherer = function(sdpMLineIndex,
usingBundle) {
var pc = this;
if (usingBundle && sdpMLineIndex > 0) {
return this.transceivers[0].iceGatherer;
} else if (this._iceGatherers.length) {
return this._iceGatherers.shift();
}
var iceGatherer = new window.RTCIceGatherer({
iceServers: this._config.iceServers,
gatherPolicy: this._config.iceTransportPolicy
});
Object.defineProperty(iceGatherer, 'state',
{value: 'new', writable: true}
);
this.transceivers[sdpMLineIndex].candidates = [];
this.transceivers[sdpMLineIndex].bufferCandidates = function(event) {
var end = !event.candidate || Object.keys(event.candidate).length === 0;
// polyfill since RTCIceGatherer.state is not implemented in
// Edge 10547 yet.
iceGatherer.state = end ? 'completed' : 'gathering';
if (pc.transceivers[sdpMLineIndex].candidates !== null) {
pc.transceivers[sdpMLineIndex].candidates.push(event.candidate);
}
};
iceGatherer.addEventListener('localcandidate',
this.transceivers[sdpMLineIndex].bufferCandidates);
return iceGatherer;
};
// start gathering from an RTCIceGatherer.
RTCPeerConnection.prototype._gather = function(mid, sdpMLineIndex) {
var pc = this;
var iceGatherer = this.transceivers[sdpMLineIndex].iceGatherer;
if (iceGatherer.onlocalcandidate) {
return;
}
var candidates = this.transceivers[sdpMLineIndex].candidates;
this.transceivers[sdpMLineIndex].candidates = null;
iceGatherer.removeEventListener('localcandidate',
this.transceivers[sdpMLineIndex].bufferCandidates);
iceGatherer.onlocalcandidate = function(evt) {
if (pc.usingBundle && sdpMLineIndex > 0) {
// if we know that we use bundle we can drop candidates with
// Ñ•dpMLineIndex > 0. If we don't do this then our state gets
// confused since we dispose the extra ice gatherer.
return;
}
var event = new Event('icecandidate');
event.candidate = {sdpMid: mid, sdpMLineIndex: sdpMLineIndex};
var cand = evt.candidate;
// Edge emits an empty object for RTCIceCandidateComplete‥
var end = !cand || Object.keys(cand).length === 0;
if (end) {
// polyfill since RTCIceGatherer.state is not implemented in
// Edge 10547 yet.
if (iceGatherer.state === 'new' || iceGatherer.state === 'gathering') {
iceGatherer.state = 'completed';
}
} else {
if (iceGatherer.state === 'new') {
iceGatherer.state = 'gathering';
}
// RTCIceCandidate doesn't have a component, needs to be added
cand.component = 1;
event.candidate.candidate = SDPUtils.writeCandidate(cand);
}
// update local description.
var sections = SDPUtils.splitSections(pc.localDescription.sdp);
if (!end) {
sections[event.candidate.sdpMLineIndex + 1] +=
'a=' + event.candidate.candidate + '\r\n';
} else {
sections[event.candidate.sdpMLineIndex + 1] +=
'a=end-of-candidates\r\n';
}
pc.localDescription.sdp = sections.join('');
var complete = pc.transceivers.every(function(transceiver) {
return transceiver.iceGatherer &&
transceiver.iceGatherer.state === 'completed';
});
if (pc.iceGatheringState !== 'gathering') {
pc.iceGatheringState = 'gathering';
pc._emitGatheringStateChange();
}
// Emit candidate. Also emit null candidate when all gatherers are
// complete.
if (!end) {
pc._dispatchEvent('icecandidate', event);
}
if (complete) {
pc._dispatchEvent('icecandidate', new Event('icecandidate'));
pc.iceGatheringState = 'complete';
pc._emitGatheringStateChange();
}
};
// emit already gathered candidates.
window.setTimeout(function() {
candidates.forEach(function(candidate) {
var e = new Event('RTCIceGatherEvent');
e.candidate = candidate;
iceGatherer.onlocalcandidate(e);
});
}, 0);
};
// Create ICE transport and DTLS transport.
RTCPeerConnection.prototype._createIceAndDtlsTransports = function() {
var pc = this;
var iceTransport = new window.RTCIceTransport(null);
iceTransport.onicestatechange = function() {
pc._updateConnectionState();
};
var dtlsTransport = new window.RTCDtlsTransport(iceTransport);
dtlsTransport.ondtlsstatechange = function() {
pc._updateConnectionState();
};
dtlsTransport.onerror = function() {
// onerror does not set state to failed by itpc.
Object.defineProperty(dtlsTransport, 'state',
{value: 'failed', writable: true});
pc._updateConnectionState();
};
return {
iceTransport: iceTransport,
dtlsTransport: dtlsTransport
};
};
// Destroy ICE gatherer, ICE transport and DTLS transport.
// Without triggering the callbacks.
RTCPeerConnection.prototype._disposeIceAndDtlsTransports = function(
sdpMLineIndex) {
var iceGatherer = this.transceivers[sdpMLineIndex].iceGatherer;
if (iceGatherer) {
delete iceGatherer.onlocalcandidate;
delete this.transceivers[sdpMLineIndex].iceGatherer;
}
var iceTransport = this.transceivers[sdpMLineIndex].iceTransport;
if (iceTransport) {
delete iceTransport.onicestatechange;
delete this.transceivers[sdpMLineIndex].iceTransport;
}
var dtlsTransport = this.transceivers[sdpMLineIndex].dtlsTransport;
if (dtlsTransport) {
delete dtlsTransport.ondtlsstatechange;
delete dtlsTransport.onerror;
delete this.transceivers[sdpMLineIndex].dtlsTransport;
}
};
// Start the RTP Sender and Receiver for a transceiver.
RTCPeerConnection.prototype._transceive = function(transceiver,
send, recv) {
var params = getCommonCapabilities(transceiver.localCapabilities,
transceiver.remoteCapabilities);
if (send && transceiver.rtpSender) {
params.encodings = transceiver.sendEncodingParameters;
params.rtcp = {
cname: SDPUtils.localCName,
compound: transceiver.rtcpParameters.compound
};
if (transceiver.recvEncodingParameters.length) {
params.rtcp.ssrc = transceiver.recvEncodingParameters[0].ssrc;
}
transceiver.rtpSender.send(params);
}
if (recv && transceiver.rtpReceiver && params.codecs.length > 0) {
// remove RTX field in Edge 14942
if (transceiver.kind === 'video'
&& transceiver.recvEncodingParameters
&& edgeVersion < 15019) {
transceiver.recvEncodingParameters.forEach(function(p) {
delete p.rtx;
});
}
if (transceiver.recvEncodingParameters.length) {
params.encodings = transceiver.recvEncodingParameters;
}
params.rtcp = {
compound: transceiver.rtcpParameters.compound
};
if (transceiver.rtcpParameters.cname) {
params.rtcp.cname = transceiver.rtcpParameters.cname;
}
if (transceiver.sendEncodingParameters.length) {
params.rtcp.ssrc = transceiver.sendEncodingParameters[0].ssrc;
}
transceiver.rtpReceiver.receive(params);
}
};
RTCPeerConnection.prototype.setLocalDescription = function(description) {
var pc = this;
if (!isActionAllowedInSignalingState('setLocalDescription',
description.type, this.signalingState) || this._isClosed) {
return Promise.reject(makeError('InvalidStateError',
'Can not set local ' + description.type +
' in state ' + pc.signalingState));
}
var sections;
var sessionpart;
if (description.type === 'offer') {
// VERY limited support for SDP munging. Limited to:
// * changing the order of codecs
sections = SDPUtils.splitSections(description.sdp);
sessionpart = sections.shift();
sections.forEach(function(mediaSection, sdpMLineIndex) {
var caps = SDPUtils.parseRtpParameters(mediaSection);
pc.transceivers[sdpMLineIndex].localCapabilities = caps;
});
this.transceivers.forEach(function(transceiver, sdpMLineIndex) {
pc._gather(transceiver.mid, sdpMLineIndex);
});
} else if (description.type === 'answer') {
sections = SDPUtils.splitSections(pc.remoteDescription.sdp);
sessionpart = sections.shift();
var isIceLite = SDPUtils.matchPrefix(sessionpart,
'a=ice-lite').length > 0;
sections.forEach(function(mediaSection, sdpMLineIndex) {
var transceiver = pc.transceivers[sdpMLineIndex];
var iceGatherer = transceiver.iceGatherer;
var iceTransport = transceiver.iceTransport;
var dtlsTransport = transceiver.dtlsTransport;
var localCapabilities = transceiver.localCapabilities;
var remoteCapabilities = transceiver.remoteCapabilities;
// treat bundle-only as not-rejected.
var rejected = SDPUtils.isRejected(mediaSection) &&
SDPUtils.matchPrefix(mediaSection, 'a=bundle-only').length === 0;
if (!rejected && !transceiver.isDatachannel) {
var remoteIceParameters = SDPUtils.getIceParameters(
mediaSection, sessionpart);
var remoteDtlsParameters = SDPUtils.getDtlsParameters(
mediaSection, sessionpart);
if (isIceLite) {
remoteDtlsParameters.role = 'server';
}
if (!pc.usingBundle || sdpMLineIndex === 0) {
pc._gather(transceiver.mid, sdpMLineIndex);
if (iceTransport.state === 'new') {
iceTransport.start(iceGatherer, remoteIceParameters,
isIceLite ? 'controlling' : 'controlled');
}
if (dtlsTransport.state === 'new') {
dtlsTransport.start(remoteDtlsParameters);
}
}
// Calculate intersection of capabilities.
var params = getCommonCapabilities(localCapabilities,
remoteCapabilities);
// Start the RTCRtpSender. The RTCRtpReceiver for this
// transceiver has already been started in setRemoteDescription.
pc._transceive(transceiver,
params.codecs.length > 0,
false);
}
});
}
this.localDescription = {
type: description.type,
sdp: description.sdp
};
switch (description.type) {
case 'offer':
this._updateSignalingState('have-local-offer');
break;
case 'answer':
this._updateSignalingState('stable');
break;
default:
throw new TypeError('unsupported type "' + description.type +
'"');
}
return Promise.resolve();
};
RTCPeerConnection.prototype.setRemoteDescription = function(description) {
var pc = this;
if (!isActionAllowedInSignalingState('setRemoteDescription',
description.type, this.signalingState) || this._isClosed) {
return Promise.reject(makeError('InvalidStateError',
'Can not set remote ' + description.type +
' in state ' + pc.signalingState));
}
var streams = {};
this.remoteStreams.forEach(function(stream) {
streams[stream.id] = stream;
});
var receiverList = [];
var sections = SDPUtils.splitSections(description.sdp);
var sessionpart = sections.shift();
var isIceLite = SDPUtils.matchPrefix(sessionpart,
'a=ice-lite').length > 0;
var usingBundle = SDPUtils.matchPrefix(sessionpart,
'a=group:BUNDLE ').length > 0;
this.usingBundle = usingBundle;
var iceOptions = SDPUtils.matchPrefix(sessionpart,
'a=ice-options:')[0];
if (iceOptions) {
this.canTrickleIceCandidates = iceOptions.substr(14).split(' ')
.indexOf('trickle') >= 0;
} else {
this.canTrickleIceCandidates = false;
}
sections.forEach(function(mediaSection, sdpMLineIndex) {
var lines = SDPUtils.splitLines(mediaSection);
var kind = SDPUtils.getKind(mediaSection);
// treat bundle-only as not-rejected.
var rejected = SDPUtils.isRejected(mediaSection) &&
SDPUtils.matchPrefix(mediaSection, 'a=bundle-only').length === 0;
var protocol = lines[0].substr(2).split(' ')[2];
var direction = SDPUtils.getDirection(mediaSection, sessionpart);
var remoteMsid = SDPUtils.parseMsid(mediaSection);
var mid = SDPUtils.getMid(mediaSection) || SDPUtils.generateIdentifier();
// Reject datachannels which are not implemented yet.
if (kind === 'application' && protocol === 'DTLS/SCTP') {
pc.transceivers[sdpMLineIndex] = {
mid: mid,
isDatachannel: true
};
return;
}
var transceiver;
var iceGatherer;
var iceTransport;
var dtlsTransport;
var rtpReceiver;
var sendEncodingParameters;
var recvEncodingParameters;
var localCapabilities;
var track;
// FIXME: ensure the mediaSection has rtcp-mux set.
var remoteCapabilities = SDPUtils.parseRtpParameters(mediaSection);
var remoteIceParameters;
var remoteDtlsParameters;
if (!rejected) {
remoteIceParameters = SDPUtils.getIceParameters(mediaSection,
sessionpart);
remoteDtlsParameters = SDPUtils.getDtlsParameters(mediaSection,
sessionpart);
remoteDtlsParameters.role = 'client';
}
recvEncodingParameters =
SDPUtils.parseRtpEncodingParameters(mediaSection);
var rtcpParameters = SDPUtils.parseRtcpParameters(mediaSection);
var isComplete = SDPUtils.matchPrefix(mediaSection,
'a=end-of-candidates', sessionpart).length > 0;
var cands = SDPUtils.matchPrefix(mediaSection, 'a=candidate:')
.map(function(cand) {
return SDPUtils.parseCandidate(cand);
})
.filter(function(cand) {
return cand.component === 1;
});
// Check if we can use BUNDLE and dispose transports.
if ((description.type === 'offer' || description.type === 'answer') &&
!rejected && usingBundle && sdpMLineIndex > 0 &&
pc.transceivers[sdpMLineIndex]) {
pc._disposeIceAndDtlsTransports(sdpMLineIndex);
pc.transceivers[sdpMLineIndex].iceGatherer =
pc.transceivers[0].iceGatherer;
pc.transceivers[sdpMLineIndex].iceTransport =
pc.transceivers[0].iceTransport;
pc.transceivers[sdpMLineIndex].dtlsTransport =
pc.transceivers[0].dtlsTransport;
if (pc.transceivers[sdpMLineIndex].rtpSender) {
pc.transceivers[sdpMLineIndex].rtpSender.setTransport(
pc.transceivers[0].dtlsTransport);
}
if (pc.transceivers[sdpMLineIndex].rtpReceiver) {
pc.transceivers[sdpMLineIndex].rtpReceiver.setTransport(
pc.transceivers[0].dtlsTransport);
}
}
if (description.type === 'offer' && !rejected) {
transceiver = pc.transceivers[sdpMLineIndex] ||
pc._createTransceiver(kind);
transceiver.mid = mid;
if (!transceiver.iceGatherer) {
transceiver.iceGatherer = pc._createIceGatherer(sdpMLineIndex,
usingBundle);
}
if (cands.length && transceiver.iceTransport.state === 'new') {
if (isComplete && (!usingBundle || sdpMLineIndex === 0)) {
transceiver.iceTransport.setRemoteCandidates(cands);
} else {
cands.forEach(function(candidate) {
maybeAddCandidate(transceiver.iceTransport, candidate);
});
}
}
localCapabilities = window.RTCRtpReceiver.getCapabilities(kind);
// filter RTX until additional stuff needed for RTX is implemented
// in adapter.js
if (edgeVersion < 15019) {
localCapabilities.codecs = localCapabilities.codecs.filter(
function(codec) {
return codec.name !== 'rtx';
});
}
sendEncodingParameters = transceiver.sendEncodingParameters || [{
ssrc: (2 * sdpMLineIndex + 2) * 1001
}];
// TODO: rewrite to use http://w3c.github.io/webrtc-pc/#set-associated-remote-streams
var isNewTrack = false;
if (direction === 'sendrecv' || direction === 'sendonly') {
isNewTrack = !transceiver.rtpReceiver;
rtpReceiver = transceiver.rtpReceiver ||
new window.RTCRtpReceiver(transceiver.dtlsTransport, kind);
if (isNewTrack) {
var stream;
track = rtpReceiver.track;
// FIXME: does not work with Plan B.
if (remoteMsid && remoteMsid.stream === '-') {
// no-op. a stream id of '-' means: no associated stream.
} else if (remoteMsid) {
if (!streams[remoteMsid.stream]) {
streams[remoteMsid.stream] = new window.MediaStream();
Object.defineProperty(streams[remoteMsid.stream], 'id', {
get: function() {
return remoteMsid.stream;
}
});
}
Object.defineProperty(track, 'id', {
get: function() {
return remoteMsid.track;
}
});
stream = streams[remoteMsid.stream];
} else {
if (!streams.default) {
streams.default = new window.MediaStream();
}
stream = streams.default;
}
if (stream) {
addTrackToStreamAndFireEvent(track, stream);
transceiver.associatedRemoteMediaStreams.push(stream);
}
receiverList.push([track, rtpReceiver, stream]);
}
} else if (transceiver.rtpReceiver && transceiver.rtpReceiver.track) {
transceiver.associatedRemoteMediaStreams.forEach(function(s) {
var nativeTrack = s.getTracks().find(function(t) {
return t.id === transceiver.rtpReceiver.track.id;
});
if (nativeTrack) {
removeTrackFromStreamAndFireEvent(nativeTrack, s);
}
});
transceiver.associatedRemoteMediaStreams = [];
}
transceiver.localCapabilities = localCapabilities;
transceiver.remoteCapabilities = remoteCapabilities;
transceiver.rtpReceiver = rtpReceiver;
transceiver.rtcpParameters = rtcpParameters;
transceiver.sendEncodingParameters = sendEncodingParameters;
transceiver.recvEncodingParameters = recvEncodingParameters;
// Start the RTCRtpReceiver now. The RTPSender is started in
// setLocalDescription.
pc._transceive(pc.transceivers[sdpMLineIndex],
false,
isNewTrack);
} else if (description.type === 'answer' && !rejected) {
transceiver = pc.transceivers[sdpMLineIndex];
iceGatherer = transceiver.iceGatherer;
iceTransport = transceiver.iceTransport;
dtlsTransport = transceiver.dtlsTransport;
rtpReceiver = transceiver.rtpReceiver;
sendEncodingParameters = transceiver.sendEncodingParameters;
localCapabilities = transceiver.localCapabilities;
pc.transceivers[sdpMLineIndex].recvEncodingParameters =
recvEncodingParameters;
pc.transceivers[sdpMLineIndex].remoteCapabilities =
remoteCapabilities;
pc.transceivers[sdpMLineIndex].rtcpParameters = rtcpParameters;
if (cands.length && iceTransport.state === 'new') {
if ((isIceLite || isComplete) &&
(!usingBundle || sdpMLineIndex === 0)) {
iceTransport.setRemoteCandidates(cands);
} else {
cands.forEach(function(candidate) {
maybeAddCandidate(transceiver.iceTransport, candidate);
});
}
}
if (!usingBundle || sdpMLineIndex === 0) {
if (iceTransport.state === 'new') {
iceTransport.start(iceGatherer, remoteIceParameters,
'controlling');
}
if (dtlsTransport.state === 'new') {
dtlsTransport.start(remoteDtlsParameters);
}
}
pc._transceive(transceiver,
direction === 'sendrecv' || direction === 'recvonly',
direction === 'sendrecv' || direction === 'sendonly');
// TODO: rewrite to use http://w3c.github.io/webrtc-pc/#set-associated-remote-streams
if (rtpReceiver &&
(direction === 'sendrecv' || direction === 'sendonly')) {
track = rtpReceiver.track;
if (remoteMsid) {
if (!streams[remoteMsid.stream]) {
streams[remoteMsid.stream] = new window.MediaStream();
}
addTrackToStreamAndFireEvent(track, streams[remoteMsid.stream]);
receiverList.push([track, rtpReceiver, streams[remoteMsid.stream]]);
} else {
if (!streams.default) {
streams.default = new window.MediaStream();
}
addTrackToStreamAndFireEvent(track, streams.default);
receiverList.push([track, rtpReceiver, streams.default]);
}
} else {
// FIXME: actually the receiver should be created later.
delete transceiver.rtpReceiver;
}
}
});
if (this._dtlsRole === undefined) {
this._dtlsRole = description.type === 'offer' ? 'active' : 'passive';
}
this.remoteDescription = {
type: description.type,
sdp: description.sdp
};
switch (description.type) {
case 'offer':
this._updateSignalingState('have-remote-offer');
break;
case 'answer':
this._updateSignalingState('stable');
break;
default:
throw new TypeError('unsupported type "' + description.type +
'"');
}
Object.keys(streams).forEach(function(sid) {
var stream = streams[sid];
if (stream.getTracks().length) {
if (pc.remoteStreams.indexOf(stream) === -1) {
pc.remoteStreams.push(stream);
var event = new Event('addstream');
event.stream = stream;
window.setTimeout(function() {
pc._dispatchEvent('addstream', event);
});
}
receiverList.forEach(function(item) {
var track = item[0];
var receiver = item[1];
if (stream.id !== item[2].id) {
return;
}
fireAddTrack(pc, track, receiver, [stream]);
});
}
});
receiverList.forEach(function(item) {
if (item[2]) {
return;
}
fireAddTrack(pc, item[0], item[1], []);
});
// check whether addIceCandidate({}) was called within four seconds after
// setRemoteDescription.
window.setTimeout(function() {
if (!(pc && pc.transceivers)) {
return;
}
pc.transceivers.forEach(function(transceiver) {
if (transceiver.iceTransport &&
transceiver.iceTransport.state === 'new' &&
transceiver.iceTransport.getRemoteCandidates().length > 0) {
console.warn('Timeout for addRemoteCandidate. Consider sending ' +
'an end-of-candidates notification');
transceiver.iceTransport.addRemoteCandidate({});
}
});
}, 4000);
return Promise.resolve();
};
RTCPeerConnection.prototype.close = function() {
this.transceivers.forEach(function(transceiver) {
/* not yet
if (transceiver.iceGatherer) {
transceiver.iceGatherer.close();
}
*/
if (transceiver.iceTransport) {
transceiver.iceTransport.stop();
}
if (transceiver.dtlsTransport) {
transceiver.dtlsTransport.stop();
}
if (transceiver.rtpSender) {
transceiver.rtpSender.stop();
}
if (transceiver.rtpReceiver) {
transceiver.rtpReceiver.stop();
}
});
// FIXME: clean up tracks, local streams, remote streams, etc
this._isClosed = true;
this._updateSignalingState('closed');
};
// Update the signaling state.
RTCPeerConnection.prototype._updateSignalingState = function(newState) {
this.signalingState = newState;
var event = new Event('signalingstatechange');
this._dispatchEvent('signalingstatechange', event);
};
// Determine whether to fire the negotiationneeded event.
RTCPeerConnection.prototype._maybeFireNegotiationNeeded = function() {
var pc = this;
if (this.signalingState !== 'stable' || this.needNegotiation === true) {
return;
}
this.needNegotiation = true;
window.setTimeout(function() {
if (pc.needNegotiation === false) {
return;
}
pc.needNegotiation = false;
var event = new Event('negotiationneeded');
pc._dispatchEvent('negotiationneeded', event);
}, 0);
};
// Update the connection state.
RTCPeerConnection.prototype._updateConnectionState = function() {
var newState;
var states = {
'new': 0,
closed: 0,
connecting: 0,
checking: 0,
connected: 0,
completed: 0,
disconnected: 0,
failed: 0
};
this.transceivers.forEach(function(transceiver) {
states[transceiver.iceTransport.state]++;
states[transceiver.dtlsTransport.state]++;
});
// ICETransport.completed and connected are the same for this purpose.
states.connected += states.completed;
newState = 'new';
if (states.failed > 0) {
newState = 'failed';
} else if (states.connecting > 0 || states.checking > 0) {
newState = 'connecting';
} else if (states.disconnected > 0) {
newState = 'disconnected';
} else if (states.new > 0) {
newState = 'new';
} else if (states.connected > 0 || states.completed > 0) {
newState = 'connected';
}
if (newState !== this.iceConnectionState) {
this.iceConnectionState = newState;
var event = new Event('iceconnectionstatechange');
this._dispatchEvent('iceconnectionstatechange', event);
}
};
RTCPeerConnection.prototype.createOffer = function() {
var pc = this;
if (this._isClosed) {
return Promise.reject(makeError('InvalidStateError',
'Can not call createOffer after close'));
}
var numAudioTracks = this.transceivers.filter(function(t) {
return t.kind === 'audio';
}).length;
var numVideoTracks = this.transceivers.filter(function(t) {
return t.kind === 'video';
}).length;
// Determine number of audio and video tracks we need to send/recv.
var offerOptions = arguments[0];
if (offerOptions) {
// Reject Chrome legacy constraints.
if (offerOptions.mandatory || offerOptions.optional) {
throw new TypeError(
'Legacy mandatory/optional constraints not supported.');
}
if (offerOptions.offerToReceiveAudio !== undefined) {
if (offerOptions.offerToReceiveAudio === true) {
numAudioTracks = 1;
} else if (offerOptions.offerToReceiveAudio === false) {
numAudioTracks = 0;
} else {
numAudioTracks = offerOptions.offerToReceiveAudio;
}
}
if (offerOptions.offerToReceiveVideo !== undefined) {
if (offerOptions.offerToReceiveVideo === true) {
numVideoTracks = 1;
} else if (offerOptions.offerToReceiveVideo === false) {
numVideoTracks = 0;
} else {
numVideoTracks = offerOptions.offerToReceiveVideo;
}
}
}
this.transceivers.forEach(function(transceiver) {
if (transceiver.kind === 'audio') {
numAudioTracks--;
if (numAudioTracks < 0) {
transceiver.wantReceive = false;
}
} else if (transceiver.kind === 'video') {
numVideoTracks--;
if (numVideoTracks < 0) {
transceiver.wantReceive = false;
}
}
});
// Create M-lines for recvonly streams.
while (numAudioTracks > 0 || numVideoTracks > 0) {
if (numAudioTracks > 0) {
this._createTransceiver('audio');
numAudioTracks--;
}
if (numVideoTracks > 0) {
this._createTransceiver('video');
numVideoTracks--;
}
}
var sdp = SDPUtils.writeSessionBoilerplate(this._sdpSessionId,
this._sdpSessionVersion++);
this.transceivers.forEach(function(transceiver, sdpMLineIndex) {
// For each track, create an ice gatherer, ice transport,
// dtls transport, potentially rtpsender and rtpreceiver.
var track = transceiver.track;
var kind = transceiver.kind;
var mid = SDPUtils.generateIdentifier();
transceiver.mid = mid;
if (!transceiver.iceGatherer) {
transceiver.iceGatherer = pc._createIceGatherer(sdpMLineIndex,
pc.usingBundle);
}
var localCapabilities = window.RTCRtpSender.getCapabilities(kind);
// filter RTX until additional stuff needed for RTX is implemented
// in adapter.js
if (edgeVersion < 15019) {
localCapabilities.codecs = localCapabilities.codecs.filter(
function(codec) {
return codec.name !== 'rtx';
});
}
localCapabilities.codecs.forEach(function(codec) {
// work around https://bugs.chromium.org/p/webrtc/issues/detail?id=6552
// by adding level-asymmetry-allowed=1
if (codec.name === 'H264' &&
codec.parameters['level-asymmetry-allowed'] === undefined) {
codec.parameters['level-asymmetry-allowed'] = '1';
}
});
// generate an ssrc now, to be used later in rtpSender.send
var sendEncodingParameters = transceiver.sendEncodingParameters || [{
ssrc: (2 * sdpMLineIndex + 1) * 1001
}];
if (track) {
// add RTX
if (edgeVersion >= 15019 && kind === 'video' &&
!sendEncodingParameters[0].rtx) {
sendEncodingParameters[0].rtx = {
ssrc: sendEncodingParameters[0].ssrc + 1
};
}
}
if (transceiver.wantReceive) {
transceiver.rtpReceiver = new window.RTCRtpReceiver(
transceiver.dtlsTransport, kind);
}
transceiver.localCapabilities = localCapabilities;
transceiver.sendEncodingParameters = sendEncodingParameters;
});
// always offer BUNDLE and dispose on return if not supported.
if (this._config.bundlePolicy !== 'max-compat') {
sdp += 'a=group:BUNDLE ' + this.transceivers.map(function(t) {
return t.mid;
}).join(' ') + '\r\n';
}
sdp += 'a=ice-options:trickle\r\n';
this.transceivers.forEach(function(transceiver, sdpMLineIndex) {
sdp += writeMediaSection(transceiver, transceiver.localCapabilities,
'offer', transceiver.stream, pc._dtlsRole);
sdp += 'a=rtcp-rsize\r\n';
if (transceiver.iceGatherer && pc.iceGatheringState !== 'new' &&
(sdpMLineIndex === 0 || !pc.usingBundle)) {
transceiver.iceGatherer.getLocalCandidates().forEach(function(cand) {
cand.component = 1;
sdp += 'a=' + SDPUtils.writeCandidate(cand) + '\r\n';
});
if (transceiver.iceGatherer.state === 'completed') {
sdp += 'a=end-of-candidates\r\n';
}
}
});
var desc = new window.RTCSessionDescription({
type: 'offer',
sdp: sdp
});
return Promise.resolve(desc);
};
RTCPeerConnection.prototype.createAnswer = function() {
var pc = this;
if (this._isClosed) {
return Promise.reject(makeError('InvalidStateError',
'Can not call createAnswer after close'));
}
var sdp = SDPUtils.writeSessionBoilerplate(this._sdpSessionId,
this._sdpSessionVersion++);
if (this.usingBundle) {
sdp += 'a=group:BUNDLE ' + this.transceivers.map(function(t) {
return t.mid;
}).join(' ') + '\r\n';
}
var mediaSectionsInOffer = SDPUtils.splitSections(
this.remoteDescription.sdp).length - 1;
this.transceivers.forEach(function(transceiver, sdpMLineIndex) {
if (sdpMLineIndex + 1 > mediaSectionsInOffer) {
return;
}
if (transceiver.isDatachannel) {
sdp += 'm=application 0 DTLS/SCTP 5000\r\n' +
'c=IN IP4 0.0.0.0\r\n' +
'a=mid:' + transceiver.mid + '\r\n';
return;
}
// FIXME: look at direction.
if (transceiver.stream) {
var localTrack;
if (transceiver.kind === 'audio') {
localTrack = transceiver.stream.getAudioTracks()[0];
} else if (transceiver.kind === 'video') {
localTrack = transceiver.stream.getVideoTracks()[0];
}
if (localTrack) {
// add RTX
if (edgeVersion >= 15019 && transceiver.kind === 'video' &&
!transceiver.sendEncodingParameters[0].rtx) {
transceiver.sendEncodingParameters[0].rtx = {
ssrc: transceiver.sendEncodingParameters[0].ssrc + 1
};
}
}
}
// Calculate intersection of capabilities.
var commonCapabilities = getCommonCapabilities(
transceiver.localCapabilities,
transceiver.remoteCapabilities);
var hasRtx = commonCapabilities.codecs.filter(function(c) {
return c.name.toLowerCase() === 'rtx';
}).length;
if (!hasRtx && transceiver.sendEncodingParameters[0].rtx) {
delete transceiver.sendEncodingParameters[0].rtx;
}
sdp += writeMediaSection(transceiver, commonCapabilities,
'answer', transceiver.stream, pc._dtlsRole);
if (transceiver.rtcpParameters &&
transceiver.rtcpParameters.reducedSize) {
sdp += 'a=rtcp-rsize\r\n';
}
});
var desc = new window.RTCSessionDescription({
type: 'answer',
sdp: sdp
});
return Promise.resolve(desc);
};
RTCPeerConnection.prototype.addIceCandidate = function(candidate) {
var sections;
if (!candidate || candidate.candidate === '') {
for (var j = 0; j < this.transceivers.length; j++) {
if (this.transceivers[j].isDatachannel) {
continue;
}
this.transceivers[j].iceTransport.addRemoteCandidate({});
sections = SDPUtils.splitSections(this.remoteDescription.sdp);
sections[j + 1] += 'a=end-of-candidates\r\n';
this.remoteDescription.sdp = sections.join('');
if (this.usingBundle) {
break;
}
}
} else if (!(candidate.sdpMLineIndex !== undefined || candidate.sdpMid)) {
throw new TypeError('sdpMLineIndex or sdpMid required');
} else if (!this.remoteDescription) {
return Promise.reject(makeError('InvalidStateError',
'Can not add ICE candidate without a remote description'));
} else {
var sdpMLineIndex = candidate.sdpMLineIndex;
if (candidate.sdpMid) {
for (var i = 0; i < this.transceivers.length; i++) {
if (this.transceivers[i].mid === candidate.sdpMid) {
sdpMLineIndex = i;
break;
}
}
}
var transceiver = this.transceivers[sdpMLineIndex];
if (transceiver) {
if (transceiver.isDatachannel) {
return Promise.resolve();
}
var cand = Object.keys(candidate.candidate).length > 0 ?
SDPUtils.parseCandidate(candidate.candidate) : {};
// Ignore Chrome's invalid candidates since Edge does not like them.
if (cand.protocol === 'tcp' && (cand.port === 0 || cand.port === 9)) {
return Promise.resolve();
}
// Ignore RTCP candidates, we assume RTCP-MUX.
if (cand.component && cand.component !== 1) {
return Promise.resolve();
}
// when using bundle, avoid adding candidates to the wrong
// ice transport. And avoid adding candidates added in the SDP.
if (sdpMLineIndex === 0 || (sdpMLineIndex > 0 &&
transceiver.iceTransport !== this.transceivers[0].iceTransport)) {
if (!maybeAddCandidate(transceiver.iceTransport, cand)) {
return Promise.reject(makeError('OperationError',
'Can not add ICE candidate'));
}
}
// update the remoteDescription.
var candidateString = candidate.candidate.trim();
if (candidateString.indexOf('a=') === 0) {
candidateString = candidateString.substr(2);
}
sections = SDPUtils.splitSections(this.remoteDescription.sdp);
sections[sdpMLineIndex + 1] += 'a=' +
(cand.type ? candidateString : 'end-of-candidates')
+ '\r\n';
this.remoteDescription.sdp = sections.join('');
} else {
return Promise.reject(makeError('OperationError',
'Can not add ICE candidate'));
}
}
return Promise.resolve();
};
RTCPeerConnection.prototype.getStats = function() {
var promises = [];
this.transceivers.forEach(function(transceiver) {
['rtpSender', 'rtpReceiver', 'iceGatherer', 'iceTransport',
'dtlsTransport'].forEach(function(method) {
if (transceiver[method]) {
promises.push(transceiver[method].getStats());
}
});
});
var fixStatsType = function(stat) {
return {
inboundrtp: 'inbound-rtp',
outboundrtp: 'outbound-rtp',
candidatepair: 'candidate-pair',
localcandidate: 'local-candidate',
remotecandidate: 'remote-candidate'
}[stat.type] || stat.type;
};
return new Promise(function(resolve) {
// shim getStats with maplike support
var results = new Map();
Promise.all(promises).then(function(res) {
res.forEach(function(result) {
Object.keys(result).forEach(function(id) {
result[id].type = fixStatsType(result[id]);
results.set(id, result[id]);
});
});
resolve(results);
});
});
};
// legacy callback shims. Should be moved to adapter.js some days.
var methods = ['createOffer', 'createAnswer'];
methods.forEach(function(method) {
var nativeMethod = RTCPeerConnection.prototype[method];
RTCPeerConnection.prototype[method] = function() {
var args = arguments;
if (typeof args[0] === 'function' ||
typeof args[1] === 'function') { // legacy
return nativeMethod.apply(this, [arguments[2]])
.then(function(description) {
if (typeof args[0] === 'function') {
args[0].apply(null, [description]);
}
}, function(error) {
if (typeof args[1] === 'function') {
args[1].apply(null, [error]);
}
});
}
return nativeMethod.apply(this, arguments);
};
});
methods = ['setLocalDescription', 'setRemoteDescription', 'addIceCandidate'];
methods.forEach(function(method) {
var nativeMethod = RTCPeerConnection.prototype[method];
RTCPeerConnection.prototype[method] = function() {
var args = arguments;
if (typeof args[1] === 'function' ||
typeof args[2] === 'function') { // legacy
return nativeMethod.apply(this, arguments)
.then(function() {
if (typeof args[1] === 'function') {
args[1].apply(null);
}
}, function(error) {
if (typeof args[2] === 'function') {
args[2].apply(null, [error]);
}
});
}
return nativeMethod.apply(this, arguments);
};
});
// getStats is special. It doesn't have a spec legacy method yet we support
// getStats(something, cb) without error callbacks.
['getStats'].forEach(function(method) {
var nativeMethod = RTCPeerConnection.prototype[method];
RTCPeerConnection.prototype[method] = function() {
var args = arguments;
if (typeof args[1] === 'function') {
return nativeMethod.apply(this, arguments)
.then(function() {
if (typeof args[1] === 'function') {
args[1].apply(null);
}
});
}
return nativeMethod.apply(this, arguments);
};
});
return RTCPeerConnection;
};
},{"sdp":2}],2:[function(require,module,exports){
/* eslint-env node */
'use strict';
// SDP helpers.
var SDPUtils = {};
// Generate an alphanumeric identifier for cname or mids.
// TODO: use UUIDs instead? https://gist.github.com/jed/982883
SDPUtils.generateIdentifier = function() {
return Math.random().toString(36).substr(2, 10);
};
// The RTCP CNAME used by all peerconnections from the same JS.
SDPUtils.localCName = SDPUtils.generateIdentifier();
// Splits SDP into lines, dealing with both CRLF and LF.
SDPUtils.splitLines = function(blob) {
return blob.trim().split('\n').map(function(line) {
return line.trim();
});
};
// Splits SDP into sessionpart and mediasections. Ensures CRLF.
SDPUtils.splitSections = function(blob) {
var parts = blob.split('\nm=');
return parts.map(function(part, index) {
return (index > 0 ? 'm=' + part : part).trim() + '\r\n';
});
};
// Returns lines that start with a certain prefix.
SDPUtils.matchPrefix = function(blob, prefix) {
return SDPUtils.splitLines(blob).filter(function(line) {
return line.indexOf(prefix) === 0;
});
};
// Parses an ICE candidate line. Sample input:
// candidate:702786350 2 udp 41819902 8.8.8.8 60769 typ relay raddr 8.8.8.8
// rport 55996"
SDPUtils.parseCandidate = function(line) {
var parts;
// Parse both variants.
if (line.indexOf('a=candidate:') === 0) {
parts = line.substring(12).split(' ');
} else {
parts = line.substring(10).split(' ');
}
var candidate = {
foundation: parts[0],
component: parseInt(parts[1], 10),
protocol: parts[2].toLowerCase(),
priority: parseInt(parts[3], 10),
ip: parts[4],
port: parseInt(parts[5], 10),
// skip parts[6] == 'typ'
type: parts[7]
};
for (var i = 8; i < parts.length; i += 2) {
switch (parts[i]) {
case 'raddr':
candidate.relatedAddress = parts[i + 1];
break;
case 'rport':
candidate.relatedPort = parseInt(parts[i + 1], 10);
break;
case 'tcptype':
candidate.tcpType = parts[i + 1];
break;
case 'ufrag':
candidate.ufrag = parts[i + 1]; // for backward compability.
candidate.usernameFragment = parts[i + 1];
break;
default: // extension handling, in particular ufrag
candidate[parts[i]] = parts[i + 1];
break;
}
}
return candidate;
};
// Translates a candidate object into SDP candidate attribute.
SDPUtils.writeCandidate = function(candidate) {
var sdp = [];
sdp.push(candidate.foundation);
sdp.push(candidate.component);
sdp.push(candidate.protocol.toUpperCase());
sdp.push(candidate.priority);
sdp.push(candidate.ip);
sdp.push(candidate.port);
var type = candidate.type;
sdp.push('typ');
sdp.push(type);
if (type !== 'host' && candidate.relatedAddress &&
candidate.relatedPort) {
sdp.push('raddr');
sdp.push(candidate.relatedAddress); // was: relAddr
sdp.push('rport');
sdp.push(candidate.relatedPort); // was: relPort
}
if (candidate.tcpType && candidate.protocol.toLowerCase() === 'tcp') {
sdp.push('tcptype');
sdp.push(candidate.tcpType);
}
if (candidate.ufrag) {
sdp.push('ufrag');
sdp.push(candidate.ufrag);
}
return 'candidate:' + sdp.join(' ');
};
// Parses an ice-options line, returns an array of option tags.
// a=ice-options:foo bar
SDPUtils.parseIceOptions = function(line) {
return line.substr(14).split(' ');
}
// Parses an rtpmap line, returns RTCRtpCoddecParameters. Sample input:
// a=rtpmap:111 opus/48000/2
SDPUtils.parseRtpMap = function(line) {
var parts = line.substr(9).split(' ');
var parsed = {
payloadType: parseInt(parts.shift(), 10) // was: id
};
parts = parts[0].split('/');
parsed.name = parts[0];
parsed.clockRate = parseInt(parts[1], 10); // was: clockrate
// was: channels
parsed.numChannels = parts.length === 3 ? parseInt(parts[2], 10) : 1;
return parsed;
};
// Generate an a=rtpmap line from RTCRtpCodecCapability or
// RTCRtpCodecParameters.
SDPUtils.writeRtpMap = function(codec) {
var pt = codec.payloadType;
if (codec.preferredPayloadType !== undefined) {
pt = codec.preferredPayloadType;
}
return 'a=rtpmap:' + pt + ' ' + codec.name + '/' + codec.clockRate +
(codec.numChannels !== 1 ? '/' + codec.numChannels : '') + '\r\n';
};
// Parses an a=extmap line (headerextension from RFC 5285). Sample input:
// a=extmap:2 urn:ietf:params:rtp-hdrext:toffset
// a=extmap:2/sendonly urn:ietf:params:rtp-hdrext:toffset
SDPUtils.parseExtmap = function(line) {
var parts = line.substr(9).split(' ');
return {
id: parseInt(parts[0], 10),
direction: parts[0].indexOf('/') > 0 ? parts[0].split('/')[1] : 'sendrecv',
uri: parts[1]
};
};
// Generates a=extmap line from RTCRtpHeaderExtensionParameters or
// RTCRtpHeaderExtension.
SDPUtils.writeExtmap = function(headerExtension) {
return 'a=extmap:' + (headerExtension.id || headerExtension.preferredId) +
(headerExtension.direction && headerExtension.direction !== 'sendrecv'
? '/' + headerExtension.direction
: '') +
' ' + headerExtension.uri + '\r\n';
};
// Parses an ftmp line, returns dictionary. Sample input:
// a=fmtp:96 vbr=on;cng=on
// Also deals with vbr=on; cng=on
SDPUtils.parseFmtp = function(line) {
var parsed = {};
var kv;
var parts = line.substr(line.indexOf(' ') + 1).split(';');
for (var j = 0; j < parts.length; j++) {
kv = parts[j].trim().split('=');
parsed[kv[0].trim()] = kv[1];
}
return parsed;
};
// Generates an a=ftmp line from RTCRtpCodecCapability or RTCRtpCodecParameters.
SDPUtils.writeFmtp = function(codec) {
var line = '';
var pt = codec.payloadType;
if (codec.preferredPayloadType !== undefined) {
pt = codec.preferredPayloadType;
}
if (codec.parameters && Object.keys(codec.parameters).length) {
var params = [];
Object.keys(codec.parameters).forEach(function(param) {
params.push(param + '=' + codec.parameters[param]);
});
line += 'a=fmtp:' + pt + ' ' + params.join(';') + '\r\n';
}
return line;
};
// Parses an rtcp-fb line, returns RTCPRtcpFeedback object. Sample input:
// a=rtcp-fb:98 nack rpsi
SDPUtils.parseRtcpFb = function(line) {
var parts = line.substr(line.indexOf(' ') + 1).split(' ');
return {
type: parts.shift(),
parameter: parts.join(' ')
};
};
// Generate a=rtcp-fb lines from RTCRtpCodecCapability or RTCRtpCodecParameters.
SDPUtils.writeRtcpFb = function(codec) {
var lines = '';
var pt = codec.payloadType;
if (codec.preferredPayloadType !== undefined) {
pt = codec.preferredPayloadType;
}
if (codec.rtcpFeedback && codec.rtcpFeedback.length) {
// FIXME: special handling for trr-int?
codec.rtcpFeedback.forEach(function(fb) {
lines += 'a=rtcp-fb:' + pt + ' ' + fb.type +
(fb.parameter && fb.parameter.length ? ' ' + fb.parameter : '') +
'\r\n';
});
}
return lines;
};
// Parses an RFC 5576 ssrc media attribute. Sample input:
// a=ssrc:3735928559 cname:something
SDPUtils.parseSsrcMedia = function(line) {
var sp = line.indexOf(' ');
var parts = {
ssrc: parseInt(line.substr(7, sp - 7), 10)
};
var colon = line.indexOf(':', sp);
if (colon > -1) {
parts.attribute = line.substr(sp + 1, colon - sp - 1);
parts.value = line.substr(colon + 1);
} else {
parts.attribute = line.substr(sp + 1);
}
return parts;
};
// Extracts the MID (RFC 5888) from a media section.
// returns the MID or undefined if no mid line was found.
SDPUtils.getMid = function(mediaSection) {
var mid = SDPUtils.matchPrefix(mediaSection, 'a=mid:')[0];
if (mid) {
return mid.substr(6);
}
}
SDPUtils.parseFingerprint = function(line) {
var parts = line.substr(14).split(' ');
return {
algorithm: parts[0].toLowerCase(), // algorithm is case-sensitive in Edge.
value: parts[1]
};
};
// Extracts DTLS parameters from SDP media section or sessionpart.
// FIXME: for consistency with other functions this should only
// get the fingerprint line as input. See also getIceParameters.
SDPUtils.getDtlsParameters = function(mediaSection, sessionpart) {
var lines = SDPUtils.matchPrefix(mediaSection + sessionpart,
'a=fingerprint:');
// Note: a=setup line is ignored since we use the 'auto' role.
// Note2: 'algorithm' is not case sensitive except in Edge.
return {
role: 'auto',
fingerprints: lines.map(SDPUtils.parseFingerprint)
};
};
// Serializes DTLS parameters to SDP.
SDPUtils.writeDtlsParameters = function(params, setupType) {
var sdp = 'a=setup:' + setupType + '\r\n';
params.fingerprints.forEach(function(fp) {
sdp += 'a=fingerprint:' + fp.algorithm + ' ' + fp.value + '\r\n';
});
return sdp;
};
// Parses ICE information from SDP media section or sessionpart.
// FIXME: for consistency with other functions this should only
// get the ice-ufrag and ice-pwd lines as input.
SDPUtils.getIceParameters = function(mediaSection, sessionpart) {
var lines = SDPUtils.splitLines(mediaSection);
// Search in session part, too.
lines = lines.concat(SDPUtils.splitLines(sessionpart));
var iceParameters = {
usernameFragment: lines.filter(function(line) {
return line.indexOf('a=ice-ufrag:') === 0;
})[0].substr(12),
password: lines.filter(function(line) {
return line.indexOf('a=ice-pwd:') === 0;
})[0].substr(10)
};
return iceParameters;
};
// Serializes ICE parameters to SDP.
SDPUtils.writeIceParameters = function(params) {
return 'a=ice-ufrag:' + params.usernameFragment + '\r\n' +
'a=ice-pwd:' + params.password + '\r\n';
};
// Parses the SDP media section and returns RTCRtpParameters.
SDPUtils.parseRtpParameters = function(mediaSection) {
var description = {
codecs: [],
headerExtensions: [],
fecMechanisms: [],
rtcp: []
};
var lines = SDPUtils.splitLines(mediaSection);
var mline = lines[0].split(' ');
for (var i = 3; i < mline.length; i++) { // find all codecs from mline[3..]
var pt = mline[i];
var rtpmapline = SDPUtils.matchPrefix(
mediaSection, 'a=rtpmap:' + pt + ' ')[0];
if (rtpmapline) {
var codec = SDPUtils.parseRtpMap(rtpmapline);
var fmtps = SDPUtils.matchPrefix(
mediaSection, 'a=fmtp:' + pt + ' ');
// Only the first a=fmtp:<pt> is considered.
codec.parameters = fmtps.length ? SDPUtils.parseFmtp(fmtps[0]) : {};
codec.rtcpFeedback = SDPUtils.matchPrefix(
mediaSection, 'a=rtcp-fb:' + pt + ' ')
.map(SDPUtils.parseRtcpFb);
description.codecs.push(codec);
// parse FEC mechanisms from rtpmap lines.
switch (codec.name.toUpperCase()) {
case 'RED':
case 'ULPFEC':
description.fecMechanisms.push(codec.name.toUpperCase());
break;
default: // only RED and ULPFEC are recognized as FEC mechanisms.
break;
}
}
}
SDPUtils.matchPrefix(mediaSection, 'a=extmap:').forEach(function(line) {
description.headerExtensions.push(SDPUtils.parseExtmap(line));
});
// FIXME: parse rtcp.
return description;
};
// Generates parts of the SDP media section describing the capabilities /
// parameters.
SDPUtils.writeRtpDescription = function(kind, caps) {
var sdp = '';
// Build the mline.
sdp += 'm=' + kind + ' ';
sdp += caps.codecs.length > 0 ? '9' : '0'; // reject if no codecs.
sdp += ' UDP/TLS/RTP/SAVPF ';
sdp += caps.codecs.map(function(codec) {
if (codec.preferredPayloadType !== undefined) {
return codec.preferredPayloadType;
}
return codec.payloadType;
}).join(' ') + '\r\n';
sdp += 'c=IN IP4 0.0.0.0\r\n';
sdp += 'a=rtcp:9 IN IP4 0.0.0.0\r\n';
// Add a=rtpmap lines for each codec. Also fmtp and rtcp-fb.
caps.codecs.forEach(function(codec) {
sdp += SDPUtils.writeRtpMap(codec);
sdp += SDPUtils.writeFmtp(codec);
sdp += SDPUtils.writeRtcpFb(codec);
});
var maxptime = 0;
caps.codecs.forEach(function(codec) {
if (codec.maxptime > maxptime) {
maxptime = codec.maxptime;
}
});
if (maxptime > 0) {
sdp += 'a=maxptime:' + maxptime + '\r\n';
}
sdp += 'a=rtcp-mux\r\n';
caps.headerExtensions.forEach(function(extension) {
sdp += SDPUtils.writeExtmap(extension);
});
// FIXME: write fecMechanisms.
return sdp;
};
// Parses the SDP media section and returns an array of
// RTCRtpEncodingParameters.
SDPUtils.parseRtpEncodingParameters = function(mediaSection) {
var encodingParameters = [];
var description = SDPUtils.parseRtpParameters(mediaSection);
var hasRed = description.fecMechanisms.indexOf('RED') !== -1;
var hasUlpfec = description.fecMechanisms.indexOf('ULPFEC') !== -1;
// filter a=ssrc:... cname:, ignore PlanB-msid
var ssrcs = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
.map(function(line) {
return SDPUtils.parseSsrcMedia(line);
})
.filter(function(parts) {
return parts.attribute === 'cname';
});
var primarySsrc = ssrcs.length > 0 && ssrcs[0].ssrc;
var secondarySsrc;
var flows = SDPUtils.matchPrefix(mediaSection, 'a=ssrc-group:FID')
.map(function(line) {
var parts = line.split(' ');
parts.shift();
return parts.map(function(part) {
return parseInt(part, 10);
});
});
if (flows.length > 0 && flows[0].length > 1 && flows[0][0] === primarySsrc) {
secondarySsrc = flows[0][1];
}
description.codecs.forEach(function(codec) {
if (codec.name.toUpperCase() === 'RTX' && codec.parameters.apt) {
var encParam = {
ssrc: primarySsrc,
codecPayloadType: parseInt(codec.parameters.apt, 10),
rtx: {
ssrc: secondarySsrc
}
};
encodingParameters.push(encParam);
if (hasRed) {
encParam = JSON.parse(JSON.stringify(encParam));
encParam.fec = {
ssrc: secondarySsrc,
mechanism: hasUlpfec ? 'red+ulpfec' : 'red'
};
encodingParameters.push(encParam);
}
}
});
if (encodingParameters.length === 0 && primarySsrc) {
encodingParameters.push({
ssrc: primarySsrc
});
}
// we support both b=AS and b=TIAS but interpret AS as TIAS.
var bandwidth = SDPUtils.matchPrefix(mediaSection, 'b=');
if (bandwidth.length) {
if (bandwidth[0].indexOf('b=TIAS:') === 0) {
bandwidth = parseInt(bandwidth[0].substr(7), 10);
} else if (bandwidth[0].indexOf('b=AS:') === 0) {
// use formula from JSEP to convert b=AS to TIAS value.
bandwidth = parseInt(bandwidth[0].substr(5), 10) * 1000 * 0.95
- (50 * 40 * 8);
} else {
bandwidth = undefined;
}
encodingParameters.forEach(function(params) {
params.maxBitrate = bandwidth;
});
}
return encodingParameters;
};
// parses http://draft.ortc.org/#rtcrtcpparameters*
SDPUtils.parseRtcpParameters = function(mediaSection) {
var rtcpParameters = {};
var cname;
// Gets the first SSRC. Note that with RTX there might be multiple
// SSRCs.
var remoteSsrc = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
.map(function(line) {
return SDPUtils.parseSsrcMedia(line);
})
.filter(function(obj) {
return obj.attribute === 'cname';
})[0];
if (remoteSsrc) {
rtcpParameters.cname = remoteSsrc.value;
rtcpParameters.ssrc = remoteSsrc.ssrc;
}
// Edge uses the compound attribute instead of reducedSize
// compound is !reducedSize
var rsize = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-rsize');
rtcpParameters.reducedSize = rsize.length > 0;
rtcpParameters.compound = rsize.length === 0;
// parses the rtcp-mux attrÑ–bute.
// Note that Edge does not support unmuxed RTCP.
var mux = SDPUtils.matchPrefix(mediaSection, 'a=rtcp-mux');
rtcpParameters.mux = mux.length > 0;
return rtcpParameters;
};
// parses either a=msid: or a=ssrc:... msid lines and returns
// the id of the MediaStream and MediaStreamTrack.
SDPUtils.parseMsid = function(mediaSection) {
var parts;
var spec = SDPUtils.matchPrefix(mediaSection, 'a=msid:');
if (spec.length === 1) {
parts = spec[0].substr(7).split(' ');
return {stream: parts[0], track: parts[1]};
}
var planB = SDPUtils.matchPrefix(mediaSection, 'a=ssrc:')
.map(function(line) {
return SDPUtils.parseSsrcMedia(line);
})
.filter(function(parts) {
return parts.attribute === 'msid';
});
if (planB.length > 0) {
parts = planB[0].value.split(' ');
return {stream: parts[0], track: parts[1]};
}
};
// Generate a session ID for SDP.
// https://tools.ietf.org/html/draft-ietf-rtcweb-jsep-20#section-5.2.1
// recommends using a cryptographically random +ve 64-bit value
// but right now this should be acceptable and within the right range
SDPUtils.generateSessionId = function() {
return Math.random().toString().substr(2, 21);
};
// Write boilder plate for start of SDP
// sessId argument is optional - if not supplied it will
// be generated randomly
// sessVersion is optional and defaults to 2
SDPUtils.writeSessionBoilerplate = function(sessId, sessVer) {
var sessionId;
var version = sessVer !== undefined ? sessVer : 2;
if (sessId) {
sessionId = sessId;
} else {
sessionId = SDPUtils.generateSessionId();
}
// FIXME: sess-id should be an NTP timestamp.
return 'v=0\r\n' +
'o=thisisadapterortc ' + sessionId + ' ' + version + ' IN IP4 127.0.0.1\r\n' +
's=-\r\n' +
't=0 0\r\n';
};
SDPUtils.writeMediaSection = function(transceiver, caps, type, stream) {
var sdp = SDPUtils.writeRtpDescription(transceiver.kind, caps);
// Map ICE parameters (ufrag, pwd) to SDP.
sdp += SDPUtils.writeIceParameters(
transceiver.iceGatherer.getLocalParameters());
// Map DTLS parameters to SDP.
sdp += SDPUtils.writeDtlsParameters(
transceiver.dtlsTransport.getLocalParameters(),
type === 'offer' ? 'actpass' : 'active');
sdp += 'a=mid:' + transceiver.mid + '\r\n';
if (transceiver.direction) {
sdp += 'a=' + transceiver.direction + '\r\n';
} else if (transceiver.rtpSender && transceiver.rtpReceiver) {
sdp += 'a=sendrecv\r\n';
} else if (transceiver.rtpSender) {
sdp += 'a=sendonly\r\n';
} else if (transceiver.rtpReceiver) {
sdp += 'a=recvonly\r\n';
} else {
sdp += 'a=inactive\r\n';
}
if (transceiver.rtpSender) {
// spec.
var msid = 'msid:' + stream.id + ' ' +
transceiver.rtpSender.track.id + '\r\n';
sdp += 'a=' + msid;
// for Chrome.
sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +
' ' + msid;
if (transceiver.sendEncodingParameters[0].rtx) {
sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +
' ' + msid;
sdp += 'a=ssrc-group:FID ' +
transceiver.sendEncodingParameters[0].ssrc + ' ' +
transceiver.sendEncodingParameters[0].rtx.ssrc +
'\r\n';
}
}
// FIXME: this should be written by writeRtpDescription.
sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].ssrc +
' cname:' + SDPUtils.localCName + '\r\n';
if (transceiver.rtpSender && transceiver.sendEncodingParameters[0].rtx) {
sdp += 'a=ssrc:' + transceiver.sendEncodingParameters[0].rtx.ssrc +
' cname:' + SDPUtils.localCName + '\r\n';
}
return sdp;
};
// Gets the direction from the mediaSection or the sessionpart.
SDPUtils.getDirection = function(mediaSection, sessionpart) {
// Look for sendrecv, sendonly, recvonly, inactive, default to sendrecv.
var lines = SDPUtils.splitLines(mediaSection);
for (var i = 0; i < lines.length; i++) {
switch (lines[i]) {
case 'a=sendrecv':
case 'a=sendonly':
case 'a=recvonly':
case 'a=inactive':
return lines[i].substr(2);
default:
// FIXME: What should happen here?
}
}
if (sessionpart) {
return SDPUtils.getDirection(sessionpart);
}
return 'sendrecv';
};
SDPUtils.getKind = function(mediaSection) {
var lines = SDPUtils.splitLines(mediaSection);
var mline = lines[0].split(' ');
return mline[0].substr(2);
};
SDPUtils.isRejected = function(mediaSection) {
return mediaSection.split(' ', 2)[1] === '0';
};
SDPUtils.parseMLine = function(mediaSection) {
var lines = SDPUtils.splitLines(mediaSection);
var mline = lines[0].split(' ');
return {
kind: mline[0].substr(2),
port: parseInt(mline[1], 10),
protocol: mline[2],
fmt: mline.slice(3).join(' ')
};
};
// Expose public methods.
if (typeof module === 'object') {
module.exports = SDPUtils;
}
},{}],3:[function(require,module,exports){
(function (global){
/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
var adapterFactory = require('./adapter_factory.js');
module.exports = adapterFactory({window: global.window});
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
},{"./adapter_factory.js":4}],4:[function(require,module,exports){
/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
var utils = require('./utils');
// Shimming starts here.
module.exports = function(dependencies, opts) {
var window = dependencies && dependencies.window;
var options = {
shimChrome: true,
shimFirefox: true,
shimEdge: true,
shimSafari: true,
};
for (var key in opts) {
if (hasOwnProperty.call(opts, key)) {
options[key] = opts[key];
}
}
// Utils.
var logging = utils.log;
var browserDetails = utils.detectBrowser(window);
// Uncomment the line below if you want logging to occur, including logging
// for the switch statement below. Can also be turned on in the browser via
// adapter.disableLog(false), but then logging from the switch statement below
// will not appear.
// require('./utils').disableLog(false);
// Browser shims.
var chromeShim = require('./chrome/chrome_shim') || null;
var edgeShim = require('./edge/edge_shim') || null;
var firefoxShim = require('./firefox/firefox_shim') || null;
var safariShim = require('./safari/safari_shim') || null;
var commonShim = require('./common_shim') || null;
// Export to the adapter global object visible in the browser.
var adapter = {
browserDetails: browserDetails,
commonShim: commonShim,
extractVersion: utils.extractVersion,
disableLog: utils.disableLog,
disableWarnings: utils.disableWarnings
};
// Shim browser if found.
switch (browserDetails.browser) {
case 'chrome':
if (!chromeShim || !chromeShim.shimPeerConnection ||
!options.shimChrome) {
logging('Chrome shim is not included in this adapter release.');
return adapter;
}
logging('adapter.js shimming chrome.');
// Export to the adapter global object visible in the browser.
adapter.browserShim = chromeShim;
commonShim.shimCreateObjectURL(window);
chromeShim.shimGetUserMedia(window);
chromeShim.shimMediaStream(window);
chromeShim.shimSourceObject(window);
chromeShim.shimPeerConnection(window);
chromeShim.shimOnTrack(window);
chromeShim.shimAddTrackRemoveTrack(window);
chromeShim.shimGetSendersWithDtmf(window);
commonShim.shimRTCIceCandidate(window);
commonShim.shimMaxMessageSize(window);
commonShim.shimSendThrowTypeError(window);
break;
case 'firefox':
if (!firefoxShim || !firefoxShim.shimPeerConnection ||
!options.shimFirefox) {
logging('Firefox shim is not included in this adapter release.');
return adapter;
}
logging('adapter.js shimming firefox.');
// Export to the adapter global object visible in the browser.
adapter.browserShim = firefoxShim;
commonShim.shimCreateObjectURL(window);
firefoxShim.shimGetUserMedia(window);
firefoxShim.shimSourceObject(window);
firefoxShim.shimPeerConnection(window);
firefoxShim.shimOnTrack(window);
firefoxShim.shimRemoveStream(window);
commonShim.shimRTCIceCandidate(window);
commonShim.shimMaxMessageSize(window);
commonShim.shimSendThrowTypeError(window);
break;
case 'edge':
if (!edgeShim || !edgeShim.shimPeerConnection || !options.shimEdge) {
logging('MS edge shim is not included in this adapter release.');
return adapter;
}
logging('adapter.js shimming edge.');
// Export to the adapter global object visible in the browser.
adapter.browserShim = edgeShim;
commonShim.shimCreateObjectURL(window);
edgeShim.shimGetUserMedia(window);
edgeShim.shimPeerConnection(window);
edgeShim.shimReplaceTrack(window);
// the edge shim implements the full RTCIceCandidate object.
commonShim.shimMaxMessageSize(window);
commonShim.shimSendThrowTypeError(window);
break;
case 'safari':
if (!safariShim || !options.shimSafari) {
logging('Safari shim is not included in this adapter release.');
return adapter;
}
logging('adapter.js shimming safari.');
// Export to the adapter global object visible in the browser.
adapter.browserShim = safariShim;
commonShim.shimCreateObjectURL(window);
safariShim.shimRTCIceServerUrls(window);
safariShim.shimCallbacksAPI(window);
safariShim.shimLocalStreamsAPI(window);
safariShim.shimRemoteStreamsAPI(window);
safariShim.shimTrackEventTransceiver(window);
safariShim.shimGetUserMedia(window);
safariShim.shimCreateOfferLegacy(window);
commonShim.shimRTCIceCandidate(window);
commonShim.shimMaxMessageSize(window);
commonShim.shimSendThrowTypeError(window);
break;
default:
logging('Unsupported browser!');
break;
}
return adapter;
};
},{"./chrome/chrome_shim":5,"./common_shim":7,"./edge/edge_shim":8,"./firefox/firefox_shim":10,"./safari/safari_shim":12,"./utils":13}],5:[function(require,module,exports){
/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
var utils = require('../utils.js');
var logging = utils.log;
module.exports = {
shimGetUserMedia: require('./getusermedia'),
shimMediaStream: function(window) {
window.MediaStream = window.MediaStream || window.webkitMediaStream;
},
shimOnTrack: function(window) {
if (typeof window === 'object' && window.RTCPeerConnection && !('ontrack' in
window.RTCPeerConnection.prototype)) {
Object.defineProperty(window.RTCPeerConnection.prototype, 'ontrack', {
get: function() {
return this._ontrack;
},
set: function(f) {
if (this._ontrack) {
this.removeEventListener('track', this._ontrack);
}
this.addEventListener('track', this._ontrack = f);
}
});
var origSetRemoteDescription =
window.RTCPeerConnection.prototype.setRemoteDescription;
window.RTCPeerConnection.prototype.setRemoteDescription = function() {
var pc = this;
if (!pc._ontrackpoly) {
pc._ontrackpoly = function(e) {
// onaddstream does not fire when a track is added to an existing
// stream. But stream.onaddtrack is implemented so we use that.
e.stream.addEventListener('addtrack', function(te) {
var receiver;
if (window.RTCPeerConnection.prototype.getReceivers) {
receiver = pc.getReceivers().find(function(r) {
return r.track && r.track.id === te.track.id;
});
} else {
receiver = {track: te.track};
}
var event = new Event('track');
event.track = te.track;
event.receiver = receiver;
event.transceiver = {receiver: receiver};
event.streams = [e.stream];
pc.dispatchEvent(event);
});
e.stream.getTracks().forEach(function(track) {
var receiver;
if (window.RTCPeerConnection.prototype.getReceivers) {
receiver = pc.getReceivers().find(function(r) {
return r.track && r.track.id === track.id;
});
} else {
receiver = {track: track};
}
var event = new Event('track');
event.track = track;
event.receiver = receiver;
event.transceiver = {receiver: receiver};
event.streams = [e.stream];
pc.dispatchEvent(event);
});
};
pc.addEventListener('addstream', pc._ontrackpoly);
}
return origSetRemoteDescription.apply(pc, arguments);
};
} else if (!('RTCRtpTransceiver' in window)) {
utils.wrapPeerConnectionEvent(window, 'track', function(e) {
if (!e.transceiver) {
e.transceiver = {receiver: e.receiver};
}
return e;
});
}
},
shimGetSendersWithDtmf: function(window) {
// Overrides addTrack/removeTrack, depends on shimAddTrackRemoveTrack.
if (typeof window === 'object' && window.RTCPeerConnection &&
!('getSenders' in window.RTCPeerConnection.prototype) &&
'createDTMFSender' in window.RTCPeerConnection.prototype) {
var shimSenderWithDtmf = function(pc, track) {
return {
track: track,
get dtmf() {
if (this._dtmf === undefined) {
if (track.kind === 'audio') {
this._dtmf = pc.createDTMFSender(track);
} else {
this._dtmf = null;
}
}
return this._dtmf;
},
_pc: pc
};
};
// augment addTrack when getSenders is not available.
if (!window.RTCPeerConnection.prototype.getSenders) {
window.RTCPeerConnection.prototype.getSenders = function() {
this._senders = this._senders || [];
return this._senders.slice(); // return a copy of the internal state.
};
var origAddTrack = window.RTCPeerConnection.prototype.addTrack;
window.RTCPeerConnection.prototype.addTrack = function(track, stream) {
var pc = this;
var sender = origAddTrack.apply(pc, arguments);
if (!sender) {
sender = shimSenderWithDtmf(pc, track);
pc._senders.push(sender);
}
return sender;
};
var origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;
window.RTCPeerConnection.prototype.removeTrack = function(sender) {
var pc = this;
origRemoveTrack.apply(pc, arguments);
var idx = pc._senders.indexOf(sender);
if (idx !== -1) {
pc._senders.splice(idx, 1);
}
};
}
var origAddStream = window.RTCPeerConnection.prototype.addStream;
window.RTCPeerConnection.prototype.addStream = function(stream) {
var pc = this;
pc._senders = pc._senders || [];
origAddStream.apply(pc, [stream]);
stream.getTracks().forEach(function(track) {
pc._senders.push(shimSenderWithDtmf(pc, track));
});
};
var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
window.RTCPeerConnection.prototype.removeStream = function(stream) {
var pc = this;
pc._senders = pc._senders || [];
origRemoveStream.apply(pc, [stream]);
stream.getTracks().forEach(function(track) {
var sender = pc._senders.find(function(s) {
return s.track === track;
});
if (sender) {
pc._senders.splice(pc._senders.indexOf(sender), 1); // remove sender
}
});
};
} else if (typeof window === 'object' && window.RTCPeerConnection &&
'getSenders' in window.RTCPeerConnection.prototype &&
'createDTMFSender' in window.RTCPeerConnection.prototype &&
window.RTCRtpSender &&
!('dtmf' in window.RTCRtpSender.prototype)) {
var origGetSenders = window.RTCPeerConnection.prototype.getSenders;
window.RTCPeerConnection.prototype.getSenders = function() {
var pc = this;
var senders = origGetSenders.apply(pc, []);
senders.forEach(function(sender) {
sender._pc = pc;
});
return senders;
};
Object.defineProperty(window.RTCRtpSender.prototype, 'dtmf', {
get: function() {
if (this._dtmf === undefined) {
if (this.track.kind === 'audio') {
this._dtmf = this._pc.createDTMFSender(this.track);
} else {
this._dtmf = null;
}
}
return this._dtmf;
}
});
}
},
shimSourceObject: function(window) {
var URL = window && window.URL;
if (typeof window === 'object') {
if (window.HTMLMediaElement &&
!('srcObject' in window.HTMLMediaElement.prototype)) {
// Shim the srcObject property, once, when HTMLMediaElement is found.
Object.defineProperty(window.HTMLMediaElement.prototype, 'srcObject', {
get: function() {
return this._srcObject;
},
set: function(stream) {
var self = this;
// Use _srcObject as a private property for this shim
this._srcObject = stream;
if (this.src) {
URL.revokeObjectURL(this.src);
}
if (!stream) {
this.src = '';
return undefined;
}
this.src = URL.createObjectURL(stream);
// We need to recreate the blob url when a track is added or
// removed. Doing it manually since we want to avoid a recursion.
stream.addEventListener('addtrack', function() {
if (self.src) {
URL.revokeObjectURL(self.src);
}
self.src = URL.createObjectURL(stream);
});
stream.addEventListener('removetrack', function() {
if (self.src) {
URL.revokeObjectURL(self.src);
}
self.src = URL.createObjectURL(stream);
});
}
});
}
}
},
shimAddTrackRemoveTrackWithNative: function(window) {
// shim addTrack/removeTrack with native variants in order to make
// the interactions with legacy getLocalStreams behave as in other browsers.
// Keeps a mapping stream.id => [stream, rtpsenders...]
window.RTCPeerConnection.prototype.getLocalStreams = function() {
var pc = this;
this._shimmedLocalStreams = this._shimmedLocalStreams || {};
return Object.keys(this._shimmedLocalStreams).map(function(streamId) {
return pc._shimmedLocalStreams[streamId][0];
});
};
var origAddTrack = window.RTCPeerConnection.prototype.addTrack;
window.RTCPeerConnection.prototype.addTrack = function(track, stream) {
if (!stream) {
return origAddTrack.apply(this, arguments);
}
this._shimmedLocalStreams = this._shimmedLocalStreams || {};
var sender = origAddTrack.apply(this, arguments);
if (!this._shimmedLocalStreams[stream.id]) {
this._shimmedLocalStreams[stream.id] = [stream, sender];
} else if (this._shimmedLocalStreams[stream.id].indexOf(sender) === -1) {
this._shimmedLocalStreams[stream.id].push(sender);
}
return sender;
};
var origAddStream = window.RTCPeerConnection.prototype.addStream;
window.RTCPeerConnection.prototype.addStream = function(stream) {
var pc = this;
this._shimmedLocalStreams = this._shimmedLocalStreams || {};
stream.getTracks().forEach(function(track) {
var alreadyExists = pc.getSenders().find(function(s) {
return s.track === track;
});
if (alreadyExists) {
throw new DOMException('Track already exists.',
'InvalidAccessError');
}
});
var existingSenders = pc.getSenders();
origAddStream.apply(this, arguments);
var newSenders = pc.getSenders().filter(function(newSender) {
return existingSenders.indexOf(newSender) === -1;
});
this._shimmedLocalStreams[stream.id] = [stream].concat(newSenders);
};
var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
window.RTCPeerConnection.prototype.removeStream = function(stream) {
this._shimmedLocalStreams = this._shimmedLocalStreams || {};
delete this._shimmedLocalStreams[stream.id];
return origRemoveStream.apply(this, arguments);
};
var origRemoveTrack = window.RTCPeerConnection.prototype.removeTrack;
window.RTCPeerConnection.prototype.removeTrack = function(sender) {
var pc = this;
this._shimmedLocalStreams = this._shimmedLocalStreams || {};
if (sender) {
Object.keys(this._shimmedLocalStreams).forEach(function(streamId) {
var idx = pc._shimmedLocalStreams[streamId].indexOf(sender);
if (idx !== -1) {
pc._shimmedLocalStreams[streamId].splice(idx, 1);
}
if (pc._shimmedLocalStreams[streamId].length === 1) {
delete pc._shimmedLocalStreams[streamId];
}
});
}
return origRemoveTrack.apply(this, arguments);
};
},
shimAddTrackRemoveTrack: function(window) {
var browserDetails = utils.detectBrowser(window);
// shim addTrack and removeTrack.
if (window.RTCPeerConnection.prototype.addTrack &&
browserDetails.version >= 65) {
return this.shimAddTrackRemoveTrackWithNative(window);
}
// also shim pc.getLocalStreams when addTrack is shimmed
// to return the original streams.
var origGetLocalStreams = window.RTCPeerConnection.prototype
.getLocalStreams;
window.RTCPeerConnection.prototype.getLocalStreams = function() {
var pc = this;
var nativeStreams = origGetLocalStreams.apply(this);
pc._reverseStreams = pc._reverseStreams || {};
return nativeStreams.map(function(stream) {
return pc._reverseStreams[stream.id];
});
};
var origAddStream = window.RTCPeerConnection.prototype.addStream;
window.RTCPeerConnection.prototype.addStream = function(stream) {
var pc = this;
pc._streams = pc._streams || {};
pc._reverseStreams = pc._reverseStreams || {};
stream.getTracks().forEach(function(track) {
var alreadyExists = pc.getSenders().find(function(s) {
return s.track === track;
});
if (alreadyExists) {
throw new DOMException('Track already exists.',
'InvalidAccessError');
}
});
// Add identity mapping for consistency with addTrack.
// Unless this is being used with a stream from addTrack.
if (!pc._reverseStreams[stream.id]) {
var newStream = new window.MediaStream(stream.getTracks());
pc._streams[stream.id] = newStream;
pc._reverseStreams[newStream.id] = stream;
stream = newStream;
}
origAddStream.apply(pc, [stream]);
};
var origRemoveStream = window.RTCPeerConnection.prototype.removeStream;
window.RTCPeerConnection.prototype.removeStream = function(stream) {
var pc = this;
pc._streams = pc._streams || {};
pc._reverseStreams = pc._reverseStreams || {};
origRemoveStream.apply(pc, [(pc._streams[stream.id] || stream)]);
delete pc._reverseStreams[(pc._streams[stream.id] ?
pc._streams[stream.id].id : stream.id)];
delete pc._streams[stream.id];
};
window.RTCPeerConnection.prototype.addTrack = function(track, stream) {
var pc = this;
if (pc.signalingState === 'closed') {
throw new DOMException(
'The RTCPeerConnection\'s signalingState is \'closed\'.',
'InvalidStateError');
}
var streams = [].slice.call(arguments, 1);
if (streams.length !== 1 ||
!streams[0].getTracks().find(function(t) {
return t === track;
})) {
// this is not fully correct but all we can manage without
// [[associated MediaStreams]] internal slot.
throw new DOMException(
'The adapter.js addTrack polyfill only supports a single ' +
' stream which is associated with the specified track.',
'NotSupportedError');
}
var alreadyExists = pc.getSenders().find(function(s) {
return s.track === track;
});
if (alreadyExists) {
throw new DOMException('Track already exists.',
'InvalidAccessError');
}
pc._streams = pc._streams || {};
pc._reverseStreams = pc._reverseStreams || {};
var oldStream = pc._streams[stream.id];
if (oldStream) {
// this is using odd Chrome behaviour, use with caution:
// https://bugs.chromium.org/p/webrtc/issues/detail?id=7815
// Note: we rely on the high-level addTrack/dtmf shim to
// create the sender with a dtmf sender.
oldStream.addTrack(track);
// Trigger ONN async.
Promise.resolve().then(function() {
pc.dispatchEvent(new Event('negotiationneeded'));
});
} else {
var newStream = new window.MediaStream([track]);
pc._streams[stream.id] = newStream;
pc._reverseStreams[newStream.id] = stream;
pc.addStream(newStream);
}
return pc.getSenders().find(function(s) {
return s.track === track;
});
};
// replace the internal stream id with the external one and
// vice versa.
function replaceInternalStreamId(pc, description) {
var sdp = description.sdp;
Object.keys(pc._reverseStreams || []).forEach(function(internalId) {
var externalStream = pc._reverseStreams[internalId];
var internalStream = pc._streams[externalStream.id];
sdp = sdp.replace(new RegExp(internalStream.id, 'g'),
externalStream.id);
});
return new RTCSessionDescription({
type: description.type,
sdp: sdp
});
}
function replaceExternalStreamId(pc, description) {
var sdp = description.sdp;
Object.keys(pc._reverseStreams || []).forEach(function(internalId) {
var externalStream = pc._reverseStreams[internalId];
var internalStream = pc._streams[externalStream.id];
sdp = sdp.replace(new RegExp(externalStream.id, 'g'),
internalStream.id);
});
return new RTCSessionDescription({
type: description.type,
sdp: sdp
});
}
['createOffer', 'createAnswer'].forEach(function(method) {
var nativeMethod = window.RTCPeerConnection.prototype[method];
window.RTCPeerConnection.prototype[method] = function() {
var pc = this;
var args = arguments;
var isLegacyCall = arguments.length &&
typeof arguments[0] === 'function';
if (isLegacyCall) {
return nativeMethod.apply(pc, [
function(description) {
var desc = replaceInternalStreamId(pc, description);
args[0].apply(null, [desc]);
},
function(err) {
if (args[1]) {
args[1].apply(null, err);
}
}, arguments[2]
]);
}
return nativeMethod.apply(pc, arguments)
.then(function(description) {
return replaceInternalStreamId(pc, description);
});
};
});
var origSetLocalDescription =
window.RTCPeerConnection.prototype.setLocalDescription;
window.RTCPeerConnection.prototype.setLocalDescription = function() {
var pc = this;
if (!arguments.length || !arguments[0].type) {
return origSetLocalDescription.apply(pc, arguments);
}
arguments[0] = replaceExternalStreamId(pc, arguments[0]);
return origSetLocalDescription.apply(pc, arguments);
};
// TODO: mangle getStats: https://w3c.github.io/webrtc-stats/#dom-rtcmediastreamstats-streamidentifier
var origLocalDescription = Object.getOwnPropertyDescriptor(
window.RTCPeerConnection.prototype, 'localDescription');
Object.defineProperty(window.RTCPeerConnection.prototype,
'localDescription', {
get: function() {
var pc = this;
var description = origLocalDescription.get.apply(this);
if (description.type === '') {
return description;
}
return replaceInternalStreamId(pc, description);
}
});
window.RTCPeerConnection.prototype.removeTrack = function(sender) {
var pc = this;
if (pc.signalingState === 'closed') {
throw new DOMException(
'The RTCPeerConnection\'s signalingState is \'closed\'.',
'InvalidStateError');
}
// We can not yet check for sender instanceof RTCRtpSender
// since we shim RTPSender. So we check if sender._pc is set.
if (!sender._pc) {
throw new DOMException('Argument 1 of RTCPeerConnection.removeTrack ' +
'does not implement interface RTCRtpSender.', 'TypeError');
}
var isLocal = sender._pc === pc;
if (!isLocal) {
throw new DOMException('Sender was not created by this connection.',
'InvalidAccessError');
}
// Search for the native stream the senders track belongs to.
pc._streams = pc._streams || {};
var stream;
Object.keys(pc._streams).forEach(function(streamid) {
var hasTrack = pc._streams[streamid].getTracks().find(function(track) {
return sender.track === track;
});
if (hasTrack) {
stream = pc._streams[streamid];
}
});
if (stream) {
if (stream.getTracks().length === 1) {
// if this is the last track of the stream, remove the stream. This
// takes care of any shimmed _senders.
pc.removeStream(pc._reverseStreams[stream.id]);
} else {
// relying on the same odd chrome behaviour as above.
stream.removeTrack(sender.track);
}
pc.dispatchEvent(new Event('negotiationneeded'));
}
};
},
shimPeerConnection: function(window) {
var browserDetails = utils.detectBrowser(window);
// The RTCPeerConnection object.
if (!window.RTCPeerConnection && window.webkitRTCPeerConnection) {
window.RTCPeerConnection = function(pcConfig, pcConstraints) {
// Translate iceTransportPolicy to iceTransports,
// see https://code.google.com/p/webrtc/issues/detail?id=4869
// this was fixed in M56 along with unprefixing RTCPeerConnection.
logging('PeerConnection');
if (pcConfig && pcConfig.iceTransportPolicy) {
pcConfig.iceTransports = pcConfig.iceTransportPolicy;
}
return new window.webkitRTCPeerConnection(pcConfig, pcConstraints);
};
window.RTCPeerConnection.prototype =
window.webkitRTCPeerConnection.prototype;
// wrap static methods. Currently just generateCertificate.
if (window.webkitRTCPeerConnection.generateCertificate) {
Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
get: function() {
return window.webkitRTCPeerConnection.generateCertificate;
}
});
}
} else {
// migrate from non-spec RTCIceServer.url to RTCIceServer.urls
var OrigPeerConnection = window.RTCPeerConnection;
window.RTCPeerConnection = function(pcConfig, pcConstraints) {
if (pcConfig && pcConfig.iceServers) {
var newIceServers = [];
for (var i = 0; i < pcConfig.iceServers.length; i++) {
var server = pcConfig.iceServers[i];
if (!server.hasOwnProperty('urls') &&
server.hasOwnProperty('url')) {
utils.deprecated('RTCIceServer.url', 'RTCIceServer.urls');
server = JSON.parse(JSON.stringify(server));
server.urls = server.url;
newIceServers.push(server);
} else {
newIceServers.push(pcConfig.iceServers[i]);
}
}
pcConfig.iceServers = newIceServers;
}
return new OrigPeerConnection(pcConfig, pcConstraints);
};
window.RTCPeerConnection.prototype = OrigPeerConnection.prototype;
// wrap static methods. Currently just generateCertificate.
Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
get: function() {
return OrigPeerConnection.generateCertificate;
}
});
}
var origGetStats = window.RTCPeerConnection.prototype.getStats;
window.RTCPeerConnection.prototype.getStats = function(selector,
successCallback, errorCallback) {
var pc = this;
var args = arguments;
// If selector is a function then we are in the old style stats so just
// pass back the original getStats format to avoid breaking old users.
if (arguments.length > 0 && typeof selector === 'function') {
return origGetStats.apply(this, arguments);
}
// When spec-style getStats is supported, return those when called with
// either no arguments or the selector argument is null.
if (origGetStats.length === 0 && (arguments.length === 0 ||
typeof arguments[0] !== 'function')) {
return origGetStats.apply(this, []);
}
var fixChromeStats_ = function(response) {
var standardReport = {};
var reports = response.result();
reports.forEach(function(report) {
var standardStats = {
id: report.id,
timestamp: report.timestamp,
type: {
localcandidate: 'local-candidate',
remotecandidate: 'remote-candidate'
}[report.type] || report.type
};
report.names().forEach(function(name) {
standardStats[name] = report.stat(name);
});
standardReport[standardStats.id] = standardStats;
});
return standardReport;
};
// shim getStats with maplike support
var makeMapStats = function(stats) {
return new Map(Object.keys(stats).map(function(key) {
return [key, stats[key]];
}));
};
if (arguments.length >= 2) {
var successCallbackWrapper_ = function(response) {
args[1](makeMapStats(fixChromeStats_(response)));
};
return origGetStats.apply(this, [successCallbackWrapper_,
arguments[0]]);
}
// promise-support
return new Promise(function(resolve, reject) {
origGetStats.apply(pc, [
function(response) {
resolve(makeMapStats(fixChromeStats_(response)));
}, reject]);
}).then(successCallback, errorCallback);
};
// add promise support -- natively available in Chrome 51
if (browserDetails.version < 51) {
['setLocalDescription', 'setRemoteDescription', 'addIceCandidate']
.forEach(function(method) {
var nativeMethod = window.RTCPeerConnection.prototype[method];
window.RTCPeerConnection.prototype[method] = function() {
var args = arguments;
var pc = this;
var promise = new Promise(function(resolve, reject) {
nativeMethod.apply(pc, [args[0], resolve, reject]);
});
if (args.length < 2) {
return promise;
}
return promise.then(function() {
args[1].apply(null, []);
},
function(err) {
if (args.length >= 3) {
args[2].apply(null, [err]);
}
});
};
});
}
// promise support for createOffer and createAnswer. Available (without
// bugs) since M52: crbug/619289
if (browserDetails.version < 52) {
['createOffer', 'createAnswer'].forEach(function(method) {
var nativeMethod = window.RTCPeerConnection.prototype[method];
window.RTCPeerConnection.prototype[method] = function() {
var pc = this;
if (arguments.length < 1 || (arguments.length === 1 &&
typeof arguments[0] === 'object')) {
var opts = arguments.length === 1 ? arguments[0] : undefined;
return new Promise(function(resolve, reject) {
nativeMethod.apply(pc, [resolve, reject, opts]);
});
}
return nativeMethod.apply(this, arguments);
};
});
}
// shim implicit creation of RTCSessionDescription/RTCIceCandidate
['setLocalDescription', 'setRemoteDescription', 'addIceCandidate']
.forEach(function(method) {
var nativeMethod = window.RTCPeerConnection.prototype[method];
window.RTCPeerConnection.prototype[method] = function() {
arguments[0] = new ((method === 'addIceCandidate') ?
window.RTCIceCandidate :
window.RTCSessionDescription)(arguments[0]);
return nativeMethod.apply(this, arguments);
};
});
// support for addIceCandidate(null or undefined)
var nativeAddIceCandidate =
window.RTCPeerConnection.prototype.addIceCandidate;
window.RTCPeerConnection.prototype.addIceCandidate = function() {
if (!arguments[0]) {
if (arguments[1]) {
arguments[1].apply(null);
}
return Promise.resolve();
}
return nativeAddIceCandidate.apply(this, arguments);
};
}
};
},{"../utils.js":13,"./getusermedia":6}],6:[function(require,module,exports){
/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
var utils = require('../utils.js');
var logging = utils.log;
// Expose public methods.
module.exports = function(window) {
var browserDetails = utils.detectBrowser(window);
var navigator = window && window.navigator;
var constraintsToChrome_ = function(c) {
if (typeof c !== 'object' || c.mandatory || c.optional) {
return c;
}
var cc = {};
Object.keys(c).forEach(function(key) {
if (key === 'require' || key === 'advanced' || key === 'mediaSource') {
return;
}
var r = (typeof c[key] === 'object') ? c[key] : {ideal: c[key]};
if (r.exact !== undefined && typeof r.exact === 'number') {
r.min = r.max = r.exact;
}
var oldname_ = function(prefix, name) {
if (prefix) {
return prefix + name.charAt(0).toUpperCase() + name.slice(1);
}
return (name === 'deviceId') ? 'sourceId' : name;
};
if (r.ideal !== undefined) {
cc.optional = cc.optional || [];
var oc = {};
if (typeof r.ideal === 'number') {
oc[oldname_('min', key)] = r.ideal;
cc.optional.push(oc);
oc = {};
oc[oldname_('max', key)] = r.ideal;
cc.optional.push(oc);
} else {
oc[oldname_('', key)] = r.ideal;
cc.optional.push(oc);
}
}
if (r.exact !== undefined && typeof r.exact !== 'number') {
cc.mandatory = cc.mandatory || {};
cc.mandatory[oldname_('', key)] = r.exact;
} else {
['min', 'max'].forEach(function(mix) {
if (r[mix] !== undefined) {
cc.mandatory = cc.mandatory || {};
cc.mandatory[oldname_(mix, key)] = r[mix];
}
});
}
});
if (c.advanced) {
cc.optional = (cc.optional || []).concat(c.advanced);
}
return cc;
};
var shimConstraints_ = function(constraints, func) {
if (browserDetails.version >= 61) {
return func(constraints);
}
constraints = JSON.parse(JSON.stringify(constraints));
if (constraints && typeof constraints.audio === 'object') {
var remap = function(obj, a, b) {
if (a in obj && !(b in obj)) {
obj[b] = obj[a];
delete obj[a];
}
};
constraints = JSON.parse(JSON.stringify(constraints));
remap(constraints.audio, 'autoGainControl', 'googAutoGainControl');
remap(constraints.audio, 'noiseSuppression', 'googNoiseSuppression');
constraints.audio = constraintsToChrome_(constraints.audio);
}
if (constraints && typeof constraints.video === 'object') {
// Shim facingMode for mobile & surface pro.
var face = constraints.video.facingMode;
face = face && ((typeof face === 'object') ? face : {ideal: face});
var getSupportedFacingModeLies = browserDetails.version < 66;
if ((face && (face.exact === 'user' || face.exact === 'environment' ||
face.ideal === 'user' || face.ideal === 'environment')) &&
!(navigator.mediaDevices.getSupportedConstraints &&
navigator.mediaDevices.getSupportedConstraints().facingMode &&
!getSupportedFacingModeLies)) {
delete constraints.video.facingMode;
var matches;
if (face.exact === 'environment' || face.ideal === 'environment') {
matches = ['back', 'rear'];
} else if (face.exact === 'user' || face.ideal === 'user') {
matches = ['front'];
}
if (matches) {
// Look for matches in label, or use last cam for back (typical).
return navigator.mediaDevices.enumerateDevices()
.then(function(devices) {
devices = devices.filter(function(d) {
return d.kind === 'videoinput';
});
var dev = devices.find(function(d) {
return matches.some(function(match) {
return d.label.toLowerCase().indexOf(match) !== -1;
});
});
if (!dev && devices.length && matches.indexOf('back') !== -1) {
dev = devices[devices.length - 1]; // more likely the back cam
}
if (dev) {
constraints.video.deviceId = face.exact ? {exact: dev.deviceId} :
{ideal: dev.deviceId};
}
constraints.video = constraintsToChrome_(constraints.video);
logging('chrome: ' + JSON.stringify(constraints));
return func(constraints);
});
}
}
constraints.video = constraintsToChrome_(constraints.video);
}
logging('chrome: ' + JSON.stringify(constraints));
return func(constraints);
};
var shimError_ = function(e) {
return {
name: {
PermissionDeniedError: 'NotAllowedError',
InvalidStateError: 'NotReadableError',
DevicesNotFoundError: 'NotFoundError',
ConstraintNotSatisfiedError: 'OverconstrainedError',
TrackStartError: 'NotReadableError',
MediaDeviceFailedDueToShutdown: 'NotReadableError',
MediaDeviceKillSwitchOn: 'NotReadableError'
}[e.name] || e.name,
message: e.message,
constraint: e.constraintName,
toString: function() {
return this.name + (this.message && ': ') + this.message;
}
};
};
var getUserMedia_ = function(constraints, onSuccess, onError) {
shimConstraints_(constraints, function(c) {
navigator.webkitGetUserMedia(c, onSuccess, function(e) {
if (onError) {
onError(shimError_(e));
}
});
});
};
navigator.getUserMedia = getUserMedia_;
// Returns the result of getUserMedia as a Promise.
var getUserMediaPromise_ = function(constraints) {
return new Promise(function(resolve, reject) {
navigator.getUserMedia(constraints, resolve, reject);
});
};
if (!navigator.mediaDevices) {
navigator.mediaDevices = {
getUserMedia: getUserMediaPromise_,
enumerateDevices: function() {
return new Promise(function(resolve) {
var kinds = {audio: 'audioinput', video: 'videoinput'};
return window.MediaStreamTrack.getSources(function(devices) {
resolve(devices.map(function(device) {
return {label: device.label,
kind: kinds[device.kind],
deviceId: device.id,
groupId: ''};
}));
});
});
},
getSupportedConstraints: function() {
return {
deviceId: true, echoCancellation: true, facingMode: true,
frameRate: true, height: true, width: true
};
}
};
}
// A shim for getUserMedia method on the mediaDevices object.
// TODO(KaptenJansson) remove once implemented in Chrome stable.
if (!navigator.mediaDevices.getUserMedia) {
navigator.mediaDevices.getUserMedia = function(constraints) {
return getUserMediaPromise_(constraints);
};
} else {
// Even though Chrome 45 has navigator.mediaDevices and a getUserMedia
// function which returns a Promise, it does not accept spec-style
// constraints.
var origGetUserMedia = navigator.mediaDevices.getUserMedia.
bind(navigator.mediaDevices);
navigator.mediaDevices.getUserMedia = function(cs) {
return shimConstraints_(cs, function(c) {
return origGetUserMedia(c).then(function(stream) {
if (c.audio && !stream.getAudioTracks().length ||
c.video && !stream.getVideoTracks().length) {
stream.getTracks().forEach(function(track) {
track.stop();
});
throw new DOMException('', 'NotFoundError');
}
return stream;
}, function(e) {
return Promise.reject(shimError_(e));
});
});
};
}
// Dummy devicechange event methods.
// TODO(KaptenJansson) remove once implemented in Chrome stable.
if (typeof navigator.mediaDevices.addEventListener === 'undefined') {
navigator.mediaDevices.addEventListener = function() {
logging('Dummy mediaDevices.addEventListener called.');
};
}
if (typeof navigator.mediaDevices.removeEventListener === 'undefined') {
navigator.mediaDevices.removeEventListener = function() {
logging('Dummy mediaDevices.removeEventListener called.');
};
}
};
},{"../utils.js":13}],7:[function(require,module,exports){
/*
* Copyright (c) 2017 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
var SDPUtils = require('sdp');
var utils = require('./utils');
module.exports = {
shimRTCIceCandidate: function(window) {
// foundation is arbitrarily chosen as an indicator for full support for
// https://w3c.github.io/webrtc-pc/#rtcicecandidate-interface
if (window.RTCIceCandidate && 'foundation' in
window.RTCIceCandidate.prototype) {
return;
}
var NativeRTCIceCandidate = window.RTCIceCandidate;
window.RTCIceCandidate = function(args) {
// Remove the a= which shouldn't be part of the candidate string.
if (typeof args === 'object' && args.candidate &&
args.candidate.indexOf('a=') === 0) {
args = JSON.parse(JSON.stringify(args));
args.candidate = args.candidate.substr(2);
}
// Augment the native candidate with the parsed fields.
var nativeCandidate = new NativeRTCIceCandidate(args);
var parsedCandidate = SDPUtils.parseCandidate(args.candidate);
var augmentedCandidate = Object.assign(nativeCandidate,
parsedCandidate);
// Add a serializer that does not serialize the extra attributes.
augmentedCandidate.toJSON = function() {
return {
candidate: augmentedCandidate.candidate,
sdpMid: augmentedCandidate.sdpMid,
sdpMLineIndex: augmentedCandidate.sdpMLineIndex,
usernameFragment: augmentedCandidate.usernameFragment,
};
};
return augmentedCandidate;
};
// Hook up the augmented candidate in onicecandidate and
// addEventListener('icecandidate', ...)
utils.wrapPeerConnectionEvent(window, 'icecandidate', function(e) {
if (e.candidate) {
Object.defineProperty(e, 'candidate', {
value: new window.RTCIceCandidate(e.candidate),
writable: 'false'
});
}
return e;
});
},
// shimCreateObjectURL must be called before shimSourceObject to avoid loop.
shimCreateObjectURL: function(window) {
var URL = window && window.URL;
if (!(typeof window === 'object' && window.HTMLMediaElement &&
'srcObject' in window.HTMLMediaElement.prototype &&
URL.createObjectURL && URL.revokeObjectURL)) {
// Only shim CreateObjectURL using srcObject if srcObject exists.
return undefined;
}
var nativeCreateObjectURL = URL.createObjectURL.bind(URL);
var nativeRevokeObjectURL = URL.revokeObjectURL.bind(URL);
var streams = new Map(), newId = 0;
URL.createObjectURL = function(stream) {
if ('getTracks' in stream) {
var url = 'polyblob:' + (++newId);
streams.set(url, stream);
utils.deprecated('URL.createObjectURL(stream)',
'elem.srcObject = stream');
return url;
}
return nativeCreateObjectURL(stream);
};
URL.revokeObjectURL = function(url) {
nativeRevokeObjectURL(url);
streams.delete(url);
};
var dsc = Object.getOwnPropertyDescriptor(window.HTMLMediaElement.prototype,
'src');
Object.defineProperty(window.HTMLMediaElement.prototype, 'src', {
get: function() {
return dsc.get.apply(this);
},
set: function(url) {
this.srcObject = streams.get(url) || null;
return dsc.set.apply(this, [url]);
}
});
var nativeSetAttribute = window.HTMLMediaElement.prototype.setAttribute;
window.HTMLMediaElement.prototype.setAttribute = function() {
if (arguments.length === 2 &&
('' + arguments[0]).toLowerCase() === 'src') {
this.srcObject = streams.get(arguments[1]) || null;
}
return nativeSetAttribute.apply(this, arguments);
};
},
shimMaxMessageSize: function(window) {
if (window.RTCSctpTransport || !window.RTCPeerConnection) {
return;
}
var browserDetails = utils.detectBrowser(window);
if (!('sctp' in window.RTCPeerConnection.prototype)) {
Object.defineProperty(window.RTCPeerConnection.prototype, 'sctp', {
get: function() {
return typeof this._sctp === 'undefined' ? null : this._sctp;
}
});
}
var sctpInDescription = function(description) {
var sections = SDPUtils.splitSections(description.sdp);
sections.shift();
return sections.some(function(mediaSection) {
var mLine = SDPUtils.parseMLine(mediaSection);
return mLine && mLine.kind === 'application'
&& mLine.protocol.indexOf('SCTP') !== -1;
});
};
var getRemoteFirefoxVersion = function(description) {
// TODO: Is there a better solution for detecting Firefox?
var match = description.sdp.match(/mozilla...THIS_IS_SDPARTA-(\d+)/);
if (match === null || match.length < 2) {
return -1;
}
var version = parseInt(match[1], 10);
// Test for NaN (yes, this is ugly)
return version !== version ? -1 : version;
};
var getCanSendMaxMessageSize = function(remoteIsFirefox) {
// Every implementation we know can send at least 64 KiB.
// Note: Although Chrome is technically able to send up to 256 KiB, the
// data does not reach the other peer reliably.
// See: https://bugs.chromium.org/p/webrtc/issues/detail?id=8419
var canSendMaxMessageSize = 65536;
if (browserDetails.browser === 'firefox') {
if (browserDetails.version < 57) {
if (remoteIsFirefox === -1) {
// FF < 57 will send in 16 KiB chunks using the deprecated PPID
// fragmentation.
canSendMaxMessageSize = 16384;
} else {
// However, other FF (and RAWRTC) can reassemble PPID-fragmented
// messages. Thus, supporting ~2 GiB when sending.
canSendMaxMessageSize = 2147483637;
}
} else {
// Currently, all FF >= 57 will reset the remote maximum message size
// to the default value when a data channel is created at a later
// stage. :(
// See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831
canSendMaxMessageSize =
browserDetails.version === 57 ? 65535 : 65536;
}
}
return canSendMaxMessageSize;
};
var getMaxMessageSize = function(description, remoteIsFirefox) {
// Note: 65536 bytes is the default value from the SDP spec. Also,
// every implementation we know supports receiving 65536 bytes.
var maxMessageSize = 65536;
// FF 57 has a slightly incorrect default remote max message size, so
// we need to adjust it here to avoid a failure when sending.
// See: https://bugzilla.mozilla.org/show_bug.cgi?id=1425697
if (browserDetails.browser === 'firefox'
&& browserDetails.version === 57) {
maxMessageSize = 65535;
}
var match = SDPUtils.matchPrefix(description.sdp, 'a=max-message-size:');
if (match.length > 0) {
maxMessageSize = parseInt(match[0].substr(19), 10);
} else if (browserDetails.browser === 'firefox' &&
remoteIsFirefox !== -1) {
// If the maximum message size is not present in the remote SDP and
// both local and remote are Firefox, the remote peer can receive
// ~2 GiB.
maxMessageSize = 2147483637;
}
return maxMessageSize;
};
var origSetRemoteDescription =
window.RTCPeerConnection.prototype.setRemoteDescription;
window.RTCPeerConnection.prototype.setRemoteDescription = function() {
var pc = this;
pc._sctp = null;
if (sctpInDescription(arguments[0])) {
// Check if the remote is FF.
var isFirefox = getRemoteFirefoxVersion(arguments[0]);
// Get the maximum message size the local peer is capable of sending
var canSendMMS = getCanSendMaxMessageSize(isFirefox);
// Get the maximum message size of the remote peer.
var remoteMMS = getMaxMessageSize(arguments[0], isFirefox);
// Determine final maximum message size
var maxMessageSize;
if (canSendMMS === 0 && remoteMMS === 0) {
maxMessageSize = Number.POSITIVE_INFINITY;
} else if (canSendMMS === 0 || remoteMMS === 0) {
maxMessageSize = Math.max(canSendMMS, remoteMMS);
} else {
maxMessageSize = Math.min(canSendMMS, remoteMMS);
}
// Create a dummy RTCSctpTransport object and the 'maxMessageSize'
// attribute.
var sctp = {};
Object.defineProperty(sctp, 'maxMessageSize', {
get: function() {
return maxMessageSize;
}
});
pc._sctp = sctp;
}
return origSetRemoteDescription.apply(pc, arguments);
};
},
shimSendThrowTypeError: function(window) {
// Note: Although Firefox >= 57 has a native implementation, the maximum
// message size can be reset for all data channels at a later stage.
// See: https://bugzilla.mozilla.org/show_bug.cgi?id=1426831
var origCreateDataChannel =
window.RTCPeerConnection.prototype.createDataChannel;
window.RTCPeerConnection.prototype.createDataChannel = function() {
var pc = this;
var dataChannel = origCreateDataChannel.apply(pc, arguments);
var origDataChannelSend = dataChannel.send;
// Patch 'send' method
dataChannel.send = function() {
var dc = this;
var data = arguments[0];
var length = data.length || data.size || data.byteLength;
if (length > pc.sctp.maxMessageSize) {
throw new DOMException('Message too large (can send a maximum of ' +
pc.sctp.maxMessageSize + ' bytes)', 'TypeError');
}
return origDataChannelSend.apply(dc, arguments);
};
return dataChannel;
};
}
};
},{"./utils":13,"sdp":2}],8:[function(require,module,exports){
/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
var utils = require('../utils');
var shimRTCPeerConnection = require('rtcpeerconnection-shim');
module.exports = {
shimGetUserMedia: require('./getusermedia'),
shimPeerConnection: function(window) {
var browserDetails = utils.detectBrowser(window);
if (window.RTCIceGatherer) {
// ORTC defines an RTCIceCandidate object but no constructor.
// Not implemented in Edge.
if (!window.RTCIceCandidate) {
window.RTCIceCandidate = function(args) {
return args;
};
}
// ORTC does not have a session description object but
// other browsers (i.e. Chrome) that will support both PC and ORTC
// in the future might have this defined already.
if (!window.RTCSessionDescription) {
window.RTCSessionDescription = function(args) {
return args;
};
}
// this adds an additional event listener to MediaStrackTrack that signals
// when a tracks enabled property was changed. Workaround for a bug in
// addStream, see below. No longer required in 15025+
if (browserDetails.version < 15025) {
var origMSTEnabled = Object.getOwnPropertyDescriptor(
window.MediaStreamTrack.prototype, 'enabled');
Object.defineProperty(window.MediaStreamTrack.prototype, 'enabled', {
set: function(value) {
origMSTEnabled.set.call(this, value);
var ev = new Event('enabled');
ev.enabled = value;
this.dispatchEvent(ev);
}
});
}
}
// ORTC defines the DTMF sender a bit different.
// https://github.com/w3c/ortc/issues/714
if (window.RTCRtpSender && !('dtmf' in window.RTCRtpSender.prototype)) {
Object.defineProperty(window.RTCRtpSender.prototype, 'dtmf', {
get: function() {
if (this._dtmf === undefined) {
if (this.track.kind === 'audio') {
this._dtmf = new window.RTCDtmfSender(this);
} else if (this.track.kind === 'video') {
this._dtmf = null;
}
}
return this._dtmf;
}
});
}
window.RTCPeerConnection =
shimRTCPeerConnection(window, browserDetails.version);
},
shimReplaceTrack: function(window) {
// ORTC has replaceTrack -- https://github.com/w3c/ortc/issues/614
if (window.RTCRtpSender &&
!('replaceTrack' in window.RTCRtpSender.prototype)) {
window.RTCRtpSender.prototype.replaceTrack =
window.RTCRtpSender.prototype.setTrack;
}
}
};
},{"../utils":13,"./getusermedia":9,"rtcpeerconnection-shim":1}],9:[function(require,module,exports){
/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
// Expose public methods.
module.exports = function(window) {
var navigator = window && window.navigator;
var shimError_ = function(e) {
return {
name: {PermissionDeniedError: 'NotAllowedError'}[e.name] || e.name,
message: e.message,
constraint: e.constraint,
toString: function() {
return this.name;
}
};
};
// getUserMedia error shim.
var origGetUserMedia = navigator.mediaDevices.getUserMedia.
bind(navigator.mediaDevices);
navigator.mediaDevices.getUserMedia = function(c) {
return origGetUserMedia(c).catch(function(e) {
return Promise.reject(shimError_(e));
});
};
};
},{}],10:[function(require,module,exports){
/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
var utils = require('../utils');
module.exports = {
shimGetUserMedia: require('./getusermedia'),
shimOnTrack: function(window) {
if (typeof window === 'object' && window.RTCPeerConnection && !('ontrack' in
window.RTCPeerConnection.prototype)) {
Object.defineProperty(window.RTCPeerConnection.prototype, 'ontrack', {
get: function() {
return this._ontrack;
},
set: function(f) {
if (this._ontrack) {
this.removeEventListener('track', this._ontrack);
this.removeEventListener('addstream', this._ontrackpoly);
}
this.addEventListener('track', this._ontrack = f);
this.addEventListener('addstream', this._ontrackpoly = function(e) {
e.stream.getTracks().forEach(function(track) {
var event = new Event('track');
event.track = track;
event.receiver = {track: track};
event.transceiver = {receiver: event.receiver};
event.streams = [e.stream];
this.dispatchEvent(event);
}.bind(this));
}.bind(this));
}
});
}
if (typeof window === 'object' && window.RTCTrackEvent &&
('receiver' in window.RTCTrackEvent.prototype) &&
!('transceiver' in window.RTCTrackEvent.prototype)) {
Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {
get: function() {
return {receiver: this.receiver};
}
});
}
},
shimSourceObject: function(window) {
// Firefox has supported mozSrcObject since FF22, unprefixed in 42.
if (typeof window === 'object') {
if (window.HTMLMediaElement &&
!('srcObject' in window.HTMLMediaElement.prototype)) {
// Shim the srcObject property, once, when HTMLMediaElement is found.
Object.defineProperty(window.HTMLMediaElement.prototype, 'srcObject', {
get: function() {
return this.mozSrcObject;
},
set: function(stream) {
this.mozSrcObject = stream;
}
});
}
}
},
shimPeerConnection: function(window) {
var browserDetails = utils.detectBrowser(window);
if (typeof window !== 'object' || !(window.RTCPeerConnection ||
window.mozRTCPeerConnection)) {
return; // probably media.peerconnection.enabled=false in about:config
}
// The RTCPeerConnection object.
if (!window.RTCPeerConnection) {
window.RTCPeerConnection = function(pcConfig, pcConstraints) {
if (browserDetails.version < 38) {
// .urls is not supported in FF < 38.
// create RTCIceServers with a single url.
if (pcConfig && pcConfig.iceServers) {
var newIceServers = [];
for (var i = 0; i < pcConfig.iceServers.length; i++) {
var server = pcConfig.iceServers[i];
if (server.hasOwnProperty('urls')) {
for (var j = 0; j < server.urls.length; j++) {
var newServer = {
url: server.urls[j]
};
if (server.urls[j].indexOf('turn') === 0) {
newServer.username = server.username;
newServer.credential = server.credential;
}
newIceServers.push(newServer);
}
} else {
newIceServers.push(pcConfig.iceServers[i]);
}
}
pcConfig.iceServers = newIceServers;
}
}
return new window.mozRTCPeerConnection(pcConfig, pcConstraints);
};
window.RTCPeerConnection.prototype =
window.mozRTCPeerConnection.prototype;
// wrap static methods. Currently just generateCertificate.
if (window.mozRTCPeerConnection.generateCertificate) {
Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
get: function() {
return window.mozRTCPeerConnection.generateCertificate;
}
});
}
window.RTCSessionDescription = window.mozRTCSessionDescription;
window.RTCIceCandidate = window.mozRTCIceCandidate;
}
// shim away need for obsolete RTCIceCandidate/RTCSessionDescription.
['setLocalDescription', 'setRemoteDescription', 'addIceCandidate']
.forEach(function(method) {
var nativeMethod = window.RTCPeerConnection.prototype[method];
window.RTCPeerConnection.prototype[method] = function() {
arguments[0] = new ((method === 'addIceCandidate') ?
window.RTCIceCandidate :
window.RTCSessionDescription)(arguments[0]);
return nativeMethod.apply(this, arguments);
};
});
// support for addIceCandidate(null or undefined)
var nativeAddIceCandidate =
window.RTCPeerConnection.prototype.addIceCandidate;
window.RTCPeerConnection.prototype.addIceCandidate = function() {
if (!arguments[0]) {
if (arguments[1]) {
arguments[1].apply(null);
}
return Promise.resolve();
}
return nativeAddIceCandidate.apply(this, arguments);
};
// shim getStats with maplike support
var makeMapStats = function(stats) {
var map = new Map();
Object.keys(stats).forEach(function(key) {
map.set(key, stats[key]);
map[key] = stats[key];
});
return map;
};
var modernStatsTypes = {
inboundrtp: 'inbound-rtp',
outboundrtp: 'outbound-rtp',
candidatepair: 'candidate-pair',
localcandidate: 'local-candidate',
remotecandidate: 'remote-candidate'
};
var nativeGetStats = window.RTCPeerConnection.prototype.getStats;
window.RTCPeerConnection.prototype.getStats = function(
selector,
onSucc,
onErr
) {
return nativeGetStats.apply(this, [selector || null])
.then(function(stats) {
if (browserDetails.version < 48) {
stats = makeMapStats(stats);
}
if (browserDetails.version < 53 && !onSucc) {
// Shim only promise getStats with spec-hyphens in type names
// Leave callback version alone; misc old uses of forEach before Map
try {
stats.forEach(function(stat) {
stat.type = modernStatsTypes[stat.type] || stat.type;
});
} catch (e) {
if (e.name !== 'TypeError') {
throw e;
}
// Avoid TypeError: "type" is read-only, in old versions. 34-43ish
stats.forEach(function(stat, i) {
stats.set(i, Object.assign({}, stat, {
type: modernStatsTypes[stat.type] || stat.type
}));
});
}
}
return stats;
})
.then(onSucc, onErr);
};
},
shimRemoveStream: function(window) {
if (!window.RTCPeerConnection ||
'removeStream' in window.RTCPeerConnection.prototype) {
return;
}
window.RTCPeerConnection.prototype.removeStream = function(stream) {
var pc = this;
utils.deprecated('removeStream', 'removeTrack');
this.getSenders().forEach(function(sender) {
if (sender.track && stream.getTracks().indexOf(sender.track) !== -1) {
pc.removeTrack(sender);
}
});
};
}
};
},{"../utils":13,"./getusermedia":11}],11:[function(require,module,exports){
/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
var utils = require('../utils');
var logging = utils.log;
// Expose public methods.
module.exports = function(window) {
var browserDetails = utils.detectBrowser(window);
var navigator = window && window.navigator;
var MediaStreamTrack = window && window.MediaStreamTrack;
var shimError_ = function(e) {
return {
name: {
InternalError: 'NotReadableError',
NotSupportedError: 'TypeError',
PermissionDeniedError: 'NotAllowedError',
SecurityError: 'NotAllowedError'
}[e.name] || e.name,
message: {
'The operation is insecure.': 'The request is not allowed by the ' +
'user agent or the platform in the current context.'
}[e.message] || e.message,
constraint: e.constraint,
toString: function() {
return this.name + (this.message && ': ') + this.message;
}
};
};
// getUserMedia constraints shim.
var getUserMedia_ = function(constraints, onSuccess, onError) {
var constraintsToFF37_ = function(c) {
if (typeof c !== 'object' || c.require) {
return c;
}
var require = [];
Object.keys(c).forEach(function(key) {
if (key === 'require' || key === 'advanced' || key === 'mediaSource') {
return;
}
var r = c[key] = (typeof c[key] === 'object') ?
c[key] : {ideal: c[key]};
if (r.min !== undefined ||
r.max !== undefined || r.exact !== undefined) {
require.push(key);
}
if (r.exact !== undefined) {
if (typeof r.exact === 'number') {
r. min = r.max = r.exact;
} else {
c[key] = r.exact;
}
delete r.exact;
}
if (r.ideal !== undefined) {
c.advanced = c.advanced || [];
var oc = {};
if (typeof r.ideal === 'number') {
oc[key] = {min: r.ideal, max: r.ideal};
} else {
oc[key] = r.ideal;
}
c.advanced.push(oc);
delete r.ideal;
if (!Object.keys(r).length) {
delete c[key];
}
}
});
if (require.length) {
c.require = require;
}
return c;
};
constraints = JSON.parse(JSON.stringify(constraints));
if (browserDetails.version < 38) {
logging('spec: ' + JSON.stringify(constraints));
if (constraints.audio) {
constraints.audio = constraintsToFF37_(constraints.audio);
}
if (constraints.video) {
constraints.video = constraintsToFF37_(constraints.video);
}
logging('ff37: ' + JSON.stringify(constraints));
}
return navigator.mozGetUserMedia(constraints, onSuccess, function(e) {
onError(shimError_(e));
});
};
// Returns the result of getUserMedia as a Promise.
var getUserMediaPromise_ = function(constraints) {
return new Promise(function(resolve, reject) {
getUserMedia_(constraints, resolve, reject);
});
};
// Shim for mediaDevices on older versions.
if (!navigator.mediaDevices) {
navigator.mediaDevices = {getUserMedia: getUserMediaPromise_,
addEventListener: function() { },
removeEventListener: function() { }
};
}
navigator.mediaDevices.enumerateDevices =
navigator.mediaDevices.enumerateDevices || function() {
return new Promise(function(resolve) {
var infos = [
{kind: 'audioinput', deviceId: 'default', label: '', groupId: ''},
{kind: 'videoinput', deviceId: 'default', label: '', groupId: ''}
];
resolve(infos);
});
};
if (browserDetails.version < 41) {
// Work around http://bugzil.la/1169665
var orgEnumerateDevices =
navigator.mediaDevices.enumerateDevices.bind(navigator.mediaDevices);
navigator.mediaDevices.enumerateDevices = function() {
return orgEnumerateDevices().then(undefined, function(e) {
if (e.name === 'NotFoundError') {
return [];
}
throw e;
});
};
}
if (browserDetails.version < 49) {
var origGetUserMedia = navigator.mediaDevices.getUserMedia.
bind(navigator.mediaDevices);
navigator.mediaDevices.getUserMedia = function(c) {
return origGetUserMedia(c).then(function(stream) {
// Work around https://bugzil.la/802326
if (c.audio && !stream.getAudioTracks().length ||
c.video && !stream.getVideoTracks().length) {
stream.getTracks().forEach(function(track) {
track.stop();
});
throw new DOMException('The object can not be found here.',
'NotFoundError');
}
return stream;
}, function(e) {
return Promise.reject(shimError_(e));
});
};
}
if (!(browserDetails.version > 55 &&
'autoGainControl' in navigator.mediaDevices.getSupportedConstraints())) {
var remap = function(obj, a, b) {
if (a in obj && !(b in obj)) {
obj[b] = obj[a];
delete obj[a];
}
};
var nativeGetUserMedia = navigator.mediaDevices.getUserMedia.
bind(navigator.mediaDevices);
navigator.mediaDevices.getUserMedia = function(c) {
if (typeof c === 'object' && typeof c.audio === 'object') {
c = JSON.parse(JSON.stringify(c));
remap(c.audio, 'autoGainControl', 'mozAutoGainControl');
remap(c.audio, 'noiseSuppression', 'mozNoiseSuppression');
}
return nativeGetUserMedia(c);
};
if (MediaStreamTrack && MediaStreamTrack.prototype.getSettings) {
var nativeGetSettings = MediaStreamTrack.prototype.getSettings;
MediaStreamTrack.prototype.getSettings = function() {
var obj = nativeGetSettings.apply(this, arguments);
remap(obj, 'mozAutoGainControl', 'autoGainControl');
remap(obj, 'mozNoiseSuppression', 'noiseSuppression');
return obj;
};
}
if (MediaStreamTrack && MediaStreamTrack.prototype.applyConstraints) {
var nativeApplyConstraints = MediaStreamTrack.prototype.applyConstraints;
MediaStreamTrack.prototype.applyConstraints = function(c) {
if (this.kind === 'audio' && typeof c === 'object') {
c = JSON.parse(JSON.stringify(c));
remap(c, 'autoGainControl', 'mozAutoGainControl');
remap(c, 'noiseSuppression', 'mozNoiseSuppression');
}
return nativeApplyConstraints.apply(this, [c]);
};
}
}
navigator.getUserMedia = function(constraints, onSuccess, onError) {
if (browserDetails.version < 44) {
return getUserMedia_(constraints, onSuccess, onError);
}
// Replace Firefox 44+'s deprecation warning with unprefixed version.
utils.deprecated('navigator.getUserMedia',
'navigator.mediaDevices.getUserMedia');
navigator.mediaDevices.getUserMedia(constraints).then(onSuccess, onError);
};
};
},{"../utils":13}],12:[function(require,module,exports){
/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
'use strict';
var utils = require('../utils');
module.exports = {
shimLocalStreamsAPI: function(window) {
if (typeof window !== 'object' || !window.RTCPeerConnection) {
return;
}
if (!('getLocalStreams' in window.RTCPeerConnection.prototype)) {
window.RTCPeerConnection.prototype.getLocalStreams = function() {
if (!this._localStreams) {
this._localStreams = [];
}
return this._localStreams;
};
}
if (!('getStreamById' in window.RTCPeerConnection.prototype)) {
window.RTCPeerConnection.prototype.getStreamById = function(id) {
var result = null;
if (this._localStreams) {
this._localStreams.forEach(function(stream) {
if (stream.id === id) {
result = stream;
}
});
}
if (this._remoteStreams) {
this._remoteStreams.forEach(function(stream) {
if (stream.id === id) {
result = stream;
}
});
}
return result;
};
}
if (!('addStream' in window.RTCPeerConnection.prototype)) {
var _addTrack = window.RTCPeerConnection.prototype.addTrack;
window.RTCPeerConnection.prototype.addStream = function(stream) {
if (!this._localStreams) {
this._localStreams = [];
}
if (this._localStreams.indexOf(stream) === -1) {
this._localStreams.push(stream);
}
var pc = this;
stream.getTracks().forEach(function(track) {
_addTrack.call(pc, track, stream);
});
};
window.RTCPeerConnection.prototype.addTrack = function(track, stream) {
if (stream) {
if (!this._localStreams) {
this._localStreams = [stream];
} else if (this._localStreams.indexOf(stream) === -1) {
this._localStreams.push(stream);
}
}
return _addTrack.call(this, track, stream);
};
}
if (!('removeStream' in window.RTCPeerConnection.prototype)) {
window.RTCPeerConnection.prototype.removeStream = function(stream) {
if (!this._localStreams) {
this._localStreams = [];
}
var index = this._localStreams.indexOf(stream);
if (index === -1) {
return;
}
this._localStreams.splice(index, 1);
var pc = this;
var tracks = stream.getTracks();
this.getSenders().forEach(function(sender) {
if (tracks.indexOf(sender.track) !== -1) {
pc.removeTrack(sender);
}
});
};
}
},
shimRemoteStreamsAPI: function(window) {
if (typeof window !== 'object' || !window.RTCPeerConnection) {
return;
}
if (!('getRemoteStreams' in window.RTCPeerConnection.prototype)) {
window.RTCPeerConnection.prototype.getRemoteStreams = function() {
return this._remoteStreams ? this._remoteStreams : [];
};
}
if (!('onaddstream' in window.RTCPeerConnection.prototype)) {
Object.defineProperty(window.RTCPeerConnection.prototype, 'onaddstream', {
get: function() {
return this._onaddstream;
},
set: function(f) {
var pc = this;
if (this._onaddstream) {
this.removeEventListener('addstream', this._onaddstream);
this.removeEventListener('track', this._onaddstreampoly);
}
this.addEventListener('addstream', this._onaddstream = f);
this.addEventListener('track', this._onaddstreampoly = function(e) {
e.streams.forEach(function(stream) {
if (!pc._remoteStreams) {
pc._remoteStreams = [];
}
if (pc._remoteStreams.indexOf(stream) >= 0) {
return;
}
pc._remoteStreams.push(stream);
var event = new Event('addstream');
event.stream = stream;
pc.dispatchEvent(event);
});
});
}
});
}
},
shimCallbacksAPI: function(window) {
if (typeof window !== 'object' || !window.RTCPeerConnection) {
return;
}
var prototype = window.RTCPeerConnection.prototype;
var createOffer = prototype.createOffer;
var createAnswer = prototype.createAnswer;
var setLocalDescription = prototype.setLocalDescription;
var setRemoteDescription = prototype.setRemoteDescription;
var addIceCandidate = prototype.addIceCandidate;
prototype.createOffer = function(successCallback, failureCallback) {
var options = (arguments.length >= 2) ? arguments[2] : arguments[0];
var promise = createOffer.apply(this, [options]);
if (!failureCallback) {
return promise;
}
promise.then(successCallback, failureCallback);
return Promise.resolve();
};
prototype.createAnswer = function(successCallback, failureCallback) {
var options = (arguments.length >= 2) ? arguments[2] : arguments[0];
var promise = createAnswer.apply(this, [options]);
if (!failureCallback) {
return promise;
}
promise.then(successCallback, failureCallback);
return Promise.resolve();
};
var withCallback = function(description, successCallback, failureCallback) {
var promise = setLocalDescription.apply(this, [description]);
if (!failureCallback) {
return promise;
}
promise.then(successCallback, failureCallback);
return Promise.resolve();
};
prototype.setLocalDescription = withCallback;
withCallback = function(description, successCallback, failureCallback) {
var promise = setRemoteDescription.apply(this, [description]);
if (!failureCallback) {
return promise;
}
promise.then(successCallback, failureCallback);
return Promise.resolve();
};
prototype.setRemoteDescription = withCallback;
withCallback = function(candidate, successCallback, failureCallback) {
var promise = addIceCandidate.apply(this, [candidate]);
if (!failureCallback) {
return promise;
}
promise.then(successCallback, failureCallback);
return Promise.resolve();
};
prototype.addIceCandidate = withCallback;
},
shimGetUserMedia: function(window) {
var navigator = window && window.navigator;
if (!navigator.getUserMedia) {
if (navigator.webkitGetUserMedia) {
navigator.getUserMedia = navigator.webkitGetUserMedia.bind(navigator);
} else if (navigator.mediaDevices &&
navigator.mediaDevices.getUserMedia) {
navigator.getUserMedia = function(constraints, cb, errcb) {
navigator.mediaDevices.getUserMedia(constraints)
.then(cb, errcb);
}.bind(navigator);
}
}
},
shimRTCIceServerUrls: function(window) {
// migrate from non-spec RTCIceServer.url to RTCIceServer.urls
var OrigPeerConnection = window.RTCPeerConnection;
window.RTCPeerConnection = function(pcConfig, pcConstraints) {
if (pcConfig && pcConfig.iceServers) {
var newIceServers = [];
for (var i = 0; i < pcConfig.iceServers.length; i++) {
var server = pcConfig.iceServers[i];
if (!server.hasOwnProperty('urls') &&
server.hasOwnProperty('url')) {
utils.deprecated('RTCIceServer.url', 'RTCIceServer.urls');
server = JSON.parse(JSON.stringify(server));
server.urls = server.url;
delete server.url;
newIceServers.push(server);
} else {
newIceServers.push(pcConfig.iceServers[i]);
}
}
pcConfig.iceServers = newIceServers;
}
return new OrigPeerConnection(pcConfig, pcConstraints);
};
window.RTCPeerConnection.prototype = OrigPeerConnection.prototype;
// wrap static methods. Currently just generateCertificate.
if ('generateCertificate' in window.RTCPeerConnection) {
Object.defineProperty(window.RTCPeerConnection, 'generateCertificate', {
get: function() {
return OrigPeerConnection.generateCertificate;
}
});
}
},
shimTrackEventTransceiver: function(window) {
// Add event.transceiver member over deprecated event.receiver
if (typeof window === 'object' && window.RTCPeerConnection &&
('receiver' in window.RTCTrackEvent.prototype) &&
// can't check 'transceiver' in window.RTCTrackEvent.prototype, as it is
// defined for some reason even when window.RTCTransceiver is not.
!window.RTCTransceiver) {
Object.defineProperty(window.RTCTrackEvent.prototype, 'transceiver', {
get: function() {
return {receiver: this.receiver};
}
});
}
},
shimCreateOfferLegacy: function(window) {
var origCreateOffer = window.RTCPeerConnection.prototype.createOffer;
window.RTCPeerConnection.prototype.createOffer = function(offerOptions) {
var pc = this;
if (offerOptions) {
var audioTransceiver = pc.getTransceivers().find(function(transceiver) {
return transceiver.sender.track &&
transceiver.sender.track.kind === 'audio';
});
if (offerOptions.offerToReceiveAudio === false && audioTransceiver) {
if (audioTransceiver.direction === 'sendrecv') {
if (audioTransceiver.setDirection) {
audioTransceiver.setDirection('sendonly');
} else {
audioTransceiver.direction = 'sendonly';
}
} else if (audioTransceiver.direction === 'recvonly') {
if (audioTransceiver.setDirection) {
audioTransceiver.setDirection('inactive');
} else {
audioTransceiver.direction = 'inactive';
}
}
} else if (offerOptions.offerToReceiveAudio === true &&
!audioTransceiver) {
pc.addTransceiver('audio');
}
var videoTransceiver = pc.getTransceivers().find(function(transceiver) {
return transceiver.sender.track &&
transceiver.sender.track.kind === 'video';
});
if (offerOptions.offerToReceiveVideo === false && videoTransceiver) {
if (videoTransceiver.direction === 'sendrecv') {
videoTransceiver.setDirection('sendonly');
} else if (videoTransceiver.direction === 'recvonly') {
videoTransceiver.setDirection('inactive');
}
} else if (offerOptions.offerToReceiveVideo === true &&
!videoTransceiver) {
pc.addTransceiver('video');
}
}
return origCreateOffer.apply(pc, arguments);
};
}
};
},{"../utils":13}],13:[function(require,module,exports){
/*
* Copyright (c) 2016 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree.
*/
/* eslint-env node */
'use strict';
var logDisabled_ = true;
var deprecationWarnings_ = true;
/**
* Extract browser version out of the provided user agent string.
*
* @param {!string} uastring userAgent string.
* @param {!string} expr Regular expression used as match criteria.
* @param {!number} pos position in the version string to be returned.
* @return {!number} browser version.
*/
function extractVersion(uastring, expr, pos) {
var match = uastring.match(expr);
return match && match.length >= pos && parseInt(match[pos], 10);
}
// Wraps the peerconnection event eventNameToWrap in a function
// which returns the modified event object.
function wrapPeerConnectionEvent(window, eventNameToWrap, wrapper) {
if (!window.RTCPeerConnection) {
return;
}
var proto = window.RTCPeerConnection.prototype;
var nativeAddEventListener = proto.addEventListener;
proto.addEventListener = function(nativeEventName, cb) {
if (nativeEventName !== eventNameToWrap) {
return nativeAddEventListener.apply(this, arguments);
}
var wrappedCallback = function(e) {
cb(wrapper(e));
};
this._eventMap = this._eventMap || {};
this._eventMap[cb] = wrappedCallback;
return nativeAddEventListener.apply(this, [nativeEventName,
wrappedCallback]);
};
var nativeRemoveEventListener = proto.removeEventListener;
proto.removeEventListener = function(nativeEventName, cb) {
if (nativeEventName !== eventNameToWrap || !this._eventMap
|| !this._eventMap[cb]) {
return nativeRemoveEventListener.apply(this, arguments);
}
var unwrappedCb = this._eventMap[cb];
delete this._eventMap[cb];
return nativeRemoveEventListener.apply(this, [nativeEventName,
unwrappedCb]);
};
Object.defineProperty(proto, 'on' + eventNameToWrap, {
get: function() {
return this['_on' + eventNameToWrap];
},
set: function(cb) {
if (this['_on' + eventNameToWrap]) {
this.removeEventListener(eventNameToWrap,
this['_on' + eventNameToWrap]);
delete this['_on' + eventNameToWrap];
}
if (cb) {
this.addEventListener(eventNameToWrap,
this['_on' + eventNameToWrap] = cb);
}
}
});
}
// Utility methods.
module.exports = {
extractVersion: extractVersion,
wrapPeerConnectionEvent: wrapPeerConnectionEvent,
disableLog: function(bool) {
if (typeof bool !== 'boolean') {
return new Error('Argument type: ' + typeof bool +
'. Please use a boolean.');
}
logDisabled_ = bool;
return (bool) ? 'adapter.js logging disabled' :
'adapter.js logging enabled';
},
/**
* Disable or enable deprecation warnings
* @param {!boolean} bool set to true to disable warnings.
*/
disableWarnings: function(bool) {
if (typeof bool !== 'boolean') {
return new Error('Argument type: ' + typeof bool +
'. Please use a boolean.');
}
deprecationWarnings_ = !bool;
return 'adapter.js deprecation warnings ' + (bool ? 'disabled' : 'enabled');
},
log: function() {
if (typeof window === 'object') {
if (logDisabled_) {
return;
}
if (typeof console !== 'undefined' && typeof console.log === 'function') {
console.log.apply(console, arguments);
}
}
},
/**
* Shows a deprecation warning suggesting the modern and spec-compatible API.
*/
deprecated: function(oldMethod, newMethod) {
if (!deprecationWarnings_) {
return;
}
console.warn(oldMethod + ' is deprecated, please use ' + newMethod +
' instead.');
},
/**
* Browser detector.
*
* @return {object} result containing browser and version
* properties.
*/
detectBrowser: function(window) {
var navigator = window && window.navigator;
// Returned result object.
var result = {};
result.browser = null;
result.version = null;
// Fail early if it's not a browser
if (typeof window === 'undefined' || !window.navigator) {
result.browser = 'Not a browser.';
return result;
}
if (navigator.mozGetUserMedia) { // Firefox.
result.browser = 'firefox';
result.version = extractVersion(navigator.userAgent,
/Firefox\/(\d+)\./, 1);
} else if (navigator.webkitGetUserMedia) {
// Chrome, Chromium, Webview, Opera.
// Version matches Chrome/WebRTC version.
result.browser = 'chrome';
result.version = extractVersion(navigator.userAgent,
/Chrom(e|ium)\/(\d+)\./, 2);
} else if (navigator.mediaDevices &&
navigator.userAgent.match(/Edge\/(\d+).(\d+)$/)) { // Edge.
result.browser = 'edge';
result.version = extractVersion(navigator.userAgent,
/Edge\/(\d+).(\d+)$/, 2);
} else if (navigator.mediaDevices &&
navigator.userAgent.match(/AppleWebKit\/(\d+)\./)) { // Safari.
result.browser = 'safari';
result.version = extractVersion(navigator.userAgent,
/AppleWebKit\/(\d+)\./, 1);
} else { // Default fallthrough: not supported.
result.browser = 'Not a supported browser.';
return result;
}
return result;
}
};
},{}]},{},[3])(3)
});