test('extend config with iceServers', function(t) {
var config;
var testServers = freeice();
t.plan(2);
t.ok(config = generators.config({ iceServers: testServers }), 'generated config');
t.deepEqual(config.iceServers, testServers, 'servers matched');
});
initialize() {
this.connectionSettings = {'room': Settings.swarm, iceServers: Freeice(), debug: false}
this.connection = QuickConnect(Settings.tracker, this.connectionSettings)
this.swarm = new Swarm()
//TODO create different data channels for different protocol messages
this.dataChannel = this.connection.createDataChannel(Settings.swarm)
this.setupListerners()
}
init: (cfg) => (dispatch, getState) => {
rtc = new SimpleWebRTC({
url: __TURN_SERVER__,
debug: cfg.debug || false,
peerConnectionConfig: freeice()
});
rtc
.on('connectionReady', (id) => {
dispatch({type: types.CONNECTION_READY, payload: id})
})
.on('createdPeer', (peer) => {
dispatch({type: types.NEW_PEER_ADDED, payload: peer})
})
.on('peerStreamAdded', (peer) => {
dispatch({type: types.PEER_STREAM_ADDED, payload: peer})
})
.on('peerStreamRemoved', (peer) => {
dispatch({type: types.PEER_STREAM_REMOVED, payload: peer})
});
dispatch({type: types.INIT, payload: rtc});
},
function noop(e){e&&console.error(e)}function trackStop(e){e.stop&&e.stop()}function streamStop(e){e.getTracks().forEach(trackStop)}function bufferizeCandidates(e,n){var t=[];return e.onsignalingstatechange=function(e){if("stable"===this.signalingState)for(;t.length;){var n=t.shift();this.addIceCandidate(n.candidate,n.callback,n.callback)}},function(i,o){switch(o=o||n,e.signalingState){case"closed":o(new Error("PeerConnection object is closed"));break;case"stable":if(e.remoteDescription){e.addIceCandidate(i,o,o);break}default:t.push({candidate:i,callback:o})}}}function removeFIDFromOffer(e){var n=e.indexOf("a=ssrc-group:FID");return n>0?e.slice(0,n):e}function getSimulcastInfo(e){var n=e.getVideoTracks(),t=["a=x-google-flag:conference","a=ssrc-group:SIM 1 2 3","a=ssrc:1 cname:localVideo","a=ssrc:1 msid:"+e.id+" "+n[0].id,"a=ssrc:1 mslabel:"+e.id,"a=ssrc:1 label:"+n[0].id,"a=ssrc:2 cname:localVideo","a=ssrc:2 msid:"+e.id+" "+n[0].id,"a=ssrc:2 mslabel:"+e.id,"a=ssrc:2 label:"+n[0].id,"a=ssrc:3 cname:localVideo","a=ssrc:3 msid:"+e.id+" "+n[0].id,"a=ssrc:3 mslabel:"+e.id,"a=ssrc:3 label:"+n[0].id];return t.push(""),t.join("\n")}function WebRtcPeer(e,n,t){function i(){if(a){var e=p.getRemoteStreams()[0],n=e;attachMediaStream(a,e),console.log("Remote URL:",n)}}function o(){C.emit("streamended",this)}function r(){"closed"===p.signalingState&&t('The peer connection object is in "closed" state. This is most likely due to an invocation of the dispose method before accepting in the dialogue'),d&&c&&C.showLocalVideo(),d&&(d.onended=function(e){o()},p.addStream(d)),l&&(l.onended=function(e){o()},p.addStream(l));var n=parser.getBrowser();"sendonly"!==e||"Chrome"!==n.name&&"Chromium"!==n.name||39!==n.major||(e="sendrecv"),t()}function s(e){void 0===e&&(e=MEDIA_CONSTRAINTS),getUserMedia(e,function(e){d=e,r()},t)}if(!(this instanceof WebRtcPeer))return new WebRtcPeer(e,n,t);WebRtcPeer.super_.call(this),n instanceof Function&&(t=n,n=void 0),n=n||{},t=(t||noop).bind(this);var c=n.localVideo,a=n.remoteVideo,d=n.videoStream,l=n.audioStream,u=n.mediaConstraints,f=n.connectionConstraints,p=n.peerConnection,v=n.sendSource||"webcam",h=uuid.v4(),g=recursive({iceServers:freeice()},n.configuration),m=n.onstreamended;m&&this.on("streamended",m);var b=n.onicecandidate;b&&this.on("icecandidate",b);var S=n.oncandidategatheringdone;S&&this.on("candidategatheringdone",S);var R=n.simulcast;p||(p=new RTCPeerConnection(g)),Object.defineProperties(this,{peerConnection:{get:function(){return p}},remoteVideo:{get:function(){return a}},localVideo:{get:function(){return c}},currentFrame:{get:function(){if(a){if(a.readyState<a.HAVE_CURRENT_DATA)throw new Error("No video stream data available");var e=document.createElement("canvas");return e.width=a.videoWidth,e.height=a.videoHeight,e.getContext("2d").drawImage(a,0,0),e}}}});var C=this,w=[],P=!1;p.onicecandidate=function(e){var n=e.candidate;EventEmitter.listenerCount(C,"icecandidate")||EventEmitter.listenerCount(C,"candidategatheringdone")?n?(C.emit("icecandidate",n),P=!1):P||(C.emit("candidategatheringdone"),P=!0):P||(w.push(n),n||(P=!0))},this.on("newListener",function(e,n){if("icecandidate"===e||"candidategatheringdone"===e)for(;w.length;){var t=w.shift();!t==("candidategatheringdone"===e)&&n(t)}});var y=bufferizeCandidates(p);this.addIceCandidate=function(e,n){var t=new RTCIceCandidate(e);console.log("ICE candidate received"),n=(n||noop).bind(this),y(t,n)},this.generateOffer=function(n){n=n.bind(this);var t=parser.getBrowser(),i=!0,o=!0;u&&(i="boolean"==typeof u.audio?u.audio:!0,o="boolean"==typeof u.video?u.video:!0);var r="Firefox"===t.name&&t.version>34?{offerToReceiveAudio:"sendonly"!==e&&i,offerToReceiveVideo:"sendonly"!==e&&o}:{mandatory:{OfferToReceiveAudio:"sendonly"!==e&&i,OfferToReceiveVideo:"sendonly"!==e&&o},optional:[{DtlsSrtpKeyAgreement:!0}]},s=recursive(r,f);console.log("constraints: "+JSON.stringify(s)),p.createOffer(function(e){console.log("Created SDP offer"),R&&("Chrome"===t.name||"Chromium"===t.name?(console.log("Adding multicast info"),e=new RTCSessionDescription({type:e.type,sdp:removeFIDFromOffer(e.sdp)+getSimulcastInfo(d)})):console.warn("Simulcast is only available in Chrome browser.")),p.setLocalDescription(e,function(){console.log("Local description set",e.sdp),n(null,e.sdp,C.processAnswer.bind(C))},n)},n,s)},this.getLocalSessionDescriptor=function(){return p.localDescription},this.getRemoteSessionDescriptor=function(){return p.remoteDescription},this.showLocalVideo=function(){attachMediaStream(c,d)},this.processAnswer=function(e,n){n=(n||noop).bind(this);var t=new RTCSessionDescription({type:"answer",sdp:e});return console.log("SDP answer received, setting remote description"),"closed"===p.signalingState?n("PeerConnection is closed"):void p.setRemoteDescription(t,function(){i(),n()},n)},this.processOffer=function(e,n){n=n.bind(this);var t=new RTCSessionDescription({type:"offer",sdp:e});return console.log("SDP offer received, setting remote description"),"closed"===p.signalingState?n("PeerConnection is closed"):void p.setRemoteDescription(t,function(){i(),p.createAnswer(function(e){console.log("Created SDP answer"),p.setLocalDescription(e,function(){console.log("Local description set",e.sdp),n(null,e.sdp)},n)},n)},n)},"recvonly"===e||d||l?setTimeout(r,0):"webcam"===v?s(u):getScreenConstraints(v,function(e,n){return e?t(e):(constraints=[u],constraints.unshift(n),void s(recursive.apply(void 0,constraints)))},h),this.on("_dispose",function(){c&&(c.pause(),c.src="",c.load()),a&&(a.pause(),a.src="",a.load()),C.removeAllListeners(),void 0!==window.cancelChooseDesktopMedia&&window.cancelChooseDesktopMedia(h)})}function createEnableDescriptor(e){var n="get"+e+"Tracks";return{enumerable:!0,get:function(){if(this.peerConnection){var e=this.peerConnection.getLocalStreams();if(e.length){for(var t,i=0;t=e[i];i++)for(var o,r=t[n](),s=0;o=r[s];s++)if(!o.enabled)return!1;return!0}}},set:function(e){function t(n){n.enabled=e}this.peerConnection.getLocalStreams().forEach(function(e){e[n]().forEach(t)})}}}function WebRtcPeerRecvonly(e,n){return this instanceof WebRtcPeerRecvonly?void WebRtcPeerRecvonly.super_.call(this,"recvonly",e,n):new WebRtcPeerRecvonly(e,n)}function WebRtcPeerSendonly(e,n){return this instanceof WebRtcPeerSendonly?void WebRtcPeerSendonly.super_.call(this,"sendonly",e,n):new WebRtcPeerSendonly(e,n)}function WebRtcPeerSendrecv(e,n){return this instanceof WebRtcPeerSendrecv?void WebRtcPeerSendrecv.super_.call(this,"sendrecv",e,n):new WebRtcPeerSendrecv(e,n)}var freeice=require("freeice"),inherits=require("inherits"),UAParser=require("ua-parser-js"),uuid=require("uuid"),EventEmitter=require("events").EventEmitter,recursive=require("merge").recursive.bind(void 0,!0);try{require("kurento-browser-extensions")}catch(error){"undefined"==typeof getScreenConstraints&&(console.warn("screen sharing is not available"),getScreenConstraints=function(e,n){n(new Error("This library is not enabled for screen sharing"))})}var MEDIA_CONSTRAINTS={audio:!0,video:{width:640,framerate:15}},ua=window&&window.navigator?window.navigator.userAgent:"",parser=new UAParser(ua);inherits(WebRtcPeer,EventEmitter),Object.defineProperties(WebRtcPeer.prototype,{enabled:{enumerable:!0,get:function(){return this.audioEnabled&&this.videoEnabled},set:function(e){this.audioEnabled=this.videoEnabled=e}},audioEnabled:createEnableDescriptor("Audio"),videoEnabled:createEnableDescriptor("Video")}),WebRtcPeer.prototype.getLocalStream=function(e){return this.peerConnection?this.peerConnection.getLocalStreams()[e||0]:void 0},WebRtcPeer.prototype.getRemoteStream=function(e){return this.peerConnection?this.peerConnection.getRemoteStreams()[e||0]:void 0},WebRtcPeer.prototype.dispose=function(){console.log("Disposing WebRtcPeer");var e=this.peerConnection;try{if(e){if("closed"===e.signalingState)return;e.getLocalStreams().forEach(streamStop),e.close()}}catch(n){console.warn("Exception disposing webrtc peer "+n)}this.emit("_dispose")},inherits(WebRtcPeerRecvonly,WebRtcPeer),inherits(WebRtcPeerSendonly,WebRtcPeer),inherits(WebRtcPeerSendrecv,WebRtcPeer),exports.bufferizeCandidates=bufferizeCandidates,exports.WebRtcPeerRecvonly=WebRtcPeerRecvonly,exports.WebRtcPeerSendonly=WebRtcPeerSendonly,exports.WebRtcPeerSendrecv=WebRtcPeerSendrecv;
connect: function() {
connection = rtc_quickconnect(BEMTV_SERVER, {room: this.room, iceServers: freeice()});
console.log("[bemtv] connecting to " + this.room);
this.createDataChannel(connection);
},
(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){
function defaultOnerror(e){e&&console.error(e)}function noop(){}function WebRtcPeer(e,t,r,o,i,s,n){Object.defineProperty(this,"pc",{writable:!0}),this.localVideo=t,this.remoteVideo=r,this.onerror=i||defaultOnerror,this.stream=s,this.audioStream=n,this.mode=e,this.onsdpoffer=o||noop}var freeice=require("freeice");WebRtcPeer.prototype.start=function(){var e=this;this.pc||(this.pc=new RTCPeerConnection(this.server,this.options));var t=this.pc;this.stream&&this.localVideo&&(this.localVideo.src=URL.createObjectURL(this.stream),this.localVideo.muted=!0),this.stream&&t.addStream(this.stream),this.audioStream&&t.addStream(this.audioStream),this.constraints={mandatory:{OfferToReceiveAudio:void 0!==this.remoteVideo,OfferToReceiveVideo:void 0!==this.remoteVideo}},t.createOffer(function(r){console.log("Created SDP offer"),t.setLocalDescription(r,function(){console.log("Local description set")},e.onerror)},this.onerror,this.constraints);var r=!1;t.onicecandidate=function(o){if(o.candidate)return void(r=!1);if(!r){var i=t.localDescription.sdp;console.log("ICE negotiation completed"),e.onsdpoffer(i,e),r=!0}}},WebRtcPeer.prototype.dispose=function(){console.log("Disposing WebRtcPeer"),this.pc&&"closed"!=this.pc.signalingState&&this.pc.close(),this.localVideo&&(this.localVideo.src=""),this.remoteVideo&&(this.remoteVideo.src=""),this.stream&&(this.stream.getAudioTracks().forEach(function(e){e.stop&&e.stop()}),this.stream.getVideoTracks().forEach(function(e){e.stop&&e.stop()}))},WebRtcPeer.prototype.userMediaConstraints={audio:!0,video:{mandatory:{maxWidth:640,maxFrameRate:15,minFrameRate:15}}},WebRtcPeer.prototype.processSdpAnswer=function(e){var t=new RTCSessionDescription({type:"answer",sdp:e});console.log("SDP answer received, setting remote description");var r=this;r.pc.setRemoteDescription(t,function(){if(r.remoteVideo){var e=r.pc.getRemoteStreams()[0];r.remoteVideo.src=URL.createObjectURL(e)}},this.onerror)},WebRtcPeer.prototype.server={iceServers:freeice()},WebRtcPeer.prototype.options={optional:[{DtlsSrtpKeyAgreement:!0}]},WebRtcPeer.start=function(e,t,r,o,i,s,n,c){var a=new WebRtcPeer(e,t,r,o,i,n,c);if("recv"===a.mode||a.stream)a.start();else{var d=s?s:a.userMediaConstraints;getUserMedia(d,function(e){a.stream=e,a.start()},a.onerror)}return a},WebRtcPeer.startRecvOnly=function(e,t,r,o){return WebRtcPeer.start("recv",null,e,t,r,o)},WebRtcPeer.startSendOnly=function(e,t,r,o){return WebRtcPeer.start("send",e,null,t,r,o)},WebRtcPeer.startSendRecv=function(e,t,r,o,i){return WebRtcPeer.start("sendRecv",e,t,r,o,i)},module.exports=WebRtcPeer;
},{"freeice":3}],2:[function(require,module,exports){
var freeice = require('freeice');
var quickconnect = require('rtc-quickconnect');
var opts = {
room: 'qcdemo42',
debug: true,
OfferToReceiveAudio: false,
OfferToReceiveVideo: false,
iceServers: freeice()
};
var connecton = quickconnect('https://switchboard.rtc.io/', opts);
console.log("ID: " + connecton.id);
connecton
.createDataChannel('test')
.on('channel:opened:test', function (id, dc) {
console.log('dc open for peer: ' + id);
})
.on('message:candidate', function (data) {
console.warn(data)
});
function noop(e){e&&console.error(e)}function trackStop(e){e.stop&&e.stop()}function streamStop(e){e.getTracks().forEach(trackStop)}function bufferizeCandidates(e,n){var t=[];return e.addEventListener("signalingstatechange",function(){if("stable"===this.signalingState)for(;t.length;){var e=t.shift();this.addIceCandidate(e.candidate,e.callback,e.callback)}}),function(i,r){switch(r=r||n,e.signalingState){case"closed":r(new Error("PeerConnection object is closed"));break;case"stable":if(e.remoteDescription){e.addIceCandidate(i,r,r);break}default:t.push({candidate:i,callback:r})}}}function WebRtcPeer(e,n,t){function i(){if(s){var e=p.getRemoteStreams()[0],n=e?URL.createObjectURL(e):"";s.pause(),s.src=n,s.load(),console.log("Remote URL:",n)}}function r(){S.emit("streamended",this)}function o(){"closed"===p.signalingState&&t('The peer connection object is in "closed" state. This is most likely due to an invocation of the dispose method before accepting in the dialogue'),d&&a&&S.showLocalVideo(),d&&(d.addEventListener("ended",r),p.addStream(d)),l&&(l.addEventListener("ended",r),p.addStream(l));var n=parser.getBrowser();"sendonly"!==e||"Chrome"!==n.name&&"Chromium"!==n.name||39!==n.major||(e="sendrecv"),t()}function c(e){e=Array.prototype.slice.call(arguments),e.unshift(MEDIA_CONSTRAINTS),getUserMedia(recursive.apply(void 0,e),function(e){d=e,o()},t)}if(!(this instanceof WebRtcPeer))return new WebRtcPeer(e,n,t);WebRtcPeer.super_.call(this),n instanceof Function&&(t=n,n=void 0),n=n||{},t=(t||noop).bind(this);var a=n.localVideo,s=n.remoteVideo,d=n.videoStream,l=n.audioStream,u=n.mediaConstraints,f=n.connectionConstraints,p=n.peerConnection,v=n.sendSource||"webcam",h=uuid.v4(),g=recursive({iceServers:freeice()},n.configuration),b=n.onstreamended;b&&this.on("streamended",b);var m=n.onicecandidate;m&&this.on("icecandidate",m);var R=n.oncandidategatheringdone;R&&this.on("candidategatheringdone",R),p||(p=new RTCPeerConnection(g)),Object.defineProperties(this,{peerConnection:{get:function(){return p}},remoteVideo:{get:function(){return s}},localVideo:{get:function(){return a}},currentFrame:{get:function(){if(s){if(s.readyState<s.HAVE_CURRENT_DATA)throw new Error("No video stream data available");var e=document.createElement("canvas");return e.width=s.videoWidth,e.height=s.videoHeight,e.getContext("2d").drawImage(s,0,0),e}}}});var S=this,P=[],C=!1;p.addEventListener("icecandidate",function(e){var n=e.candidate;EventEmitter.listenerCount(S,"icecandidate")||EventEmitter.listenerCount(S,"candidategatheringdone")?n?(S.emit("icecandidate",n),C=!1):C||(S.emit("candidategatheringdone"),C=!0):C||(P.push(n),n||(C=!0))}),this.on("newListener",function(e,n){if("icecandidate"===e||"candidategatheringdone"===e)for(;P.length;){var t=P.shift();!t==("candidategatheringdone"===e)&&n(t)}});var w=bufferizeCandidates(p);this.addIceCandidate=function(e,n){var t=new RTCIceCandidate(e);console.log("ICE candidate received"),n=(n||noop).bind(this),w(t,n)},this.generateOffer=function(n){n=n.bind(this);var t=parser.getBrowser(),i="Firefox"===t.name&&t.version>34?{offerToReceiveAudio:"sendonly"!==e,offerToReceiveVideo:"sendonly"!==e}:{mandatory:{OfferToReceiveAudio:"sendonly"!==e,OfferToReceiveVideo:"sendonly"!==e},optional:[{DtlsSrtpKeyAgreement:!0}]},r=recursive(i,f);console.log("constraints: "+JSON.stringify(r)),p.createOffer(function(e){console.log("Created SDP offer"),p.setLocalDescription(e,function(){console.log("Local description set",e.sdp),n(null,e.sdp,S.processAnswer.bind(S))},n)},n,r)},this.getLocalSessionDescriptor=function(){return p.localDescription},this.getRemoteSessionDescriptor=function(){return p.remoteDescription},this.showLocalVideo=function(){a.src=URL.createObjectURL(d),a.muted=!0},this.processAnswer=function(e,n){n=(n||noop).bind(this);var t=new RTCSessionDescription({type:"answer",sdp:e});return console.log("SDP answer received, setting remote description"),"closed"===p.signalingState?n("PeerConnection is closed"):void p.setRemoteDescription(t,function(){i(),n()},n)},this.processOffer=function(e,n){n=n.bind(this);var t=new RTCSessionDescription({type:"offer",sdp:e});return console.log("SDP offer received, setting remote description"),"closed"===p.signalingState?n("PeerConnection is closed"):void p.setRemoteDescription(t,function(){i(),p.createAnswer(function(e){console.log("Created SDP answer"),p.setLocalDescription(e,function(){console.log("Local description set",e.sdp),n(null,e.sdp)},n)},n)},n)},"recvonly"===e||d||l?setTimeout(o,0):"webcam"===v?c(u):getScreenConstraints(v,function(e,n){return e?t(e):void c(n,u)},h),this.on("_dispose",function(){a&&(a.pause(),a.src="",a.load()),s&&(s.pause(),s.src="",s.load()),S.removeAllListeners(),void 0!==window.cancelChooseDesktopMedia&&window.cancelChooseDesktopMedia(h)})}function createEnableDescriptor(e){var n="get"+e+"Tracks";return{enumerable:!0,get:function(){if(this.peerConnection){var e=this.peerConnection.getLocalStreams();if(e.length){for(var t,i=0;t=e[i];i++)for(var r,o=t[n](),c=0;r=o[c];c++)if(!r.enabled)return!1;return!0}}},set:function(e){function t(n){n.enabled=e}this.peerConnection.getLocalStreams().forEach(function(e){e[n]().forEach(t)})}}}function WebRtcPeerRecvonly(e,n){return this instanceof WebRtcPeerRecvonly?void WebRtcPeerRecvonly.super_.call(this,"recvonly",e,n):new WebRtcPeerRecvonly(e,n)}function WebRtcPeerSendonly(e,n){return this instanceof WebRtcPeerSendonly?void WebRtcPeerSendonly.super_.call(this,"sendonly",e,n):new WebRtcPeerSendonly(e,n)}function WebRtcPeerSendrecv(e,n){return this instanceof WebRtcPeerSendrecv?void WebRtcPeerSendrecv.super_.call(this,"sendrecv",e,n):new WebRtcPeerSendrecv(e,n)}var freeice=require("freeice"),inherits=require("inherits"),UAParser=require("ua-parser-js"),uuid=require("uuid"),EventEmitter=require("events").EventEmitter,recursive=require("merge").recursive.bind(void 0,!0);try{!function(){throw new Error("Cannot find module 'kurento-browser-extensions' from '/var/lib/jenkins/workspace/kurento-js-build-project/lib'")}()}catch(error){"undefined"==typeof getScreenConstraints&&(console.warn("screen sharing is not available"),getScreenConstraints=function(e,n){n(new Error("This library is not enabled for screen sharing"))})}var MEDIA_CONSTRAINTS={audio:!0,video:{mandatory:{maxWidth:640,maxFrameRate:15,minFrameRate:15}}},ua=window&&window.navigator?window.navigator.userAgent:"",parser=new UAParser(ua);inherits(WebRtcPeer,EventEmitter),Object.defineProperties(WebRtcPeer.prototype,{enabled:{enumerable:!0,get:function(){return this.audioEnabled&&this.videoEnabled},set:function(e){this.audioEnabled=this.videoEnabled=e}},audioEnabled:createEnableDescriptor("Audio"),videoEnabled:createEnableDescriptor("Video")}),WebRtcPeer.prototype.getLocalStream=function(e){return this.peerConnection?this.peerConnection.getLocalStreams()[e||0]:void 0},WebRtcPeer.prototype.getRemoteStream=function(e){return this.peerConnection?this.peerConnection.getRemoteStreams()[e||0]:void 0},WebRtcPeer.prototype.dispose=function(){console.log("Disposing WebRtcPeer");var e=this.peerConnection;if(e){if("closed"===e.signalingState)return;e.getLocalStreams().forEach(streamStop),e.close()}this.emit("_dispose")},inherits(WebRtcPeerRecvonly,WebRtcPeer),inherits(WebRtcPeerSendonly,WebRtcPeer),inherits(WebRtcPeerSendrecv,WebRtcPeer),exports.bufferizeCandidates=bufferizeCandidates,exports.WebRtcPeerRecvonly=WebRtcPeerRecvonly,exports.WebRtcPeerSendonly=WebRtcPeerSendonly,exports.WebRtcPeerSendrecv=WebRtcPeerSendrecv;
!function(e){if("object"==typeof exports&&"undefined"!=typeof module)module.exports=e();else if("function"==typeof define&&define.amd)define([],e);else{var f;"undefined"!=typeof window?f=window:"undefined"!=typeof global?f=global:"undefined"!=typeof self&&(f=self),f.kurentoUtils=e()}}(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){
/*
* (C) Copyright 2014 Kurento (http://kurento.org/)
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Lesser General Public License
* (LGPL) version 2.1 which accompanies this distribution, and is available at
* http://www.gnu.org/licenses/lgpl-2.1.html
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
var freeice = require('freeice');
/**
* @description Default handler for error callbacks. The error messaged passed
* as argument is showed in a console, a div layer which should be
* previously created.
*
* @function defaultOnerror
*
* @param error -
* {String} Error message
*/
function defaultOnerror(error) {
if (error)
console.error(error);
}
function noop() {
};
/**
* @classdesc Wrapper object of an RTCPeerConnection. This object is aimed to
* simplify the development of WebRTC-based applications.
*
* @constructor module:kurentoUtils.WebRtcPeer
*
* @param mode -
* {String} Mode in which the PeerConnection will be configured.
* Valid values are: 'recv', 'send', and 'sendRecv'
* @param localVideo -
* {Object} Video tag for the local stream
* @param remoteVideo -
* {Object} Video tag for the remote stream
* @param onsdpoffer -
* {Function} Callback executed when a SDP offer has been generated
* @param onerror -
* {Function} Callback executed when an error happens generating an
* SDP offer
* @param videoStream -
* {Object} MediaStream to be used as primary source (typically video
* and audio, or only video if combined with audioStream) for
* localVideo and to be added as stream to the RTCPeerConnection
* @param audioStream -
* {Object} MediaStream to be used as second source (typically for
* audio) for localVideo and to be added as stream to the
* RTCPeerConnection
*/
function WebRtcPeer(mode, localVideo, remoteVideo, onsdpoffer, onerror,
videoStream, audioStream) {
Object.defineProperty(this, 'pc', {
writable : true
});
this.localVideo = localVideo;
this.remoteVideo = remoteVideo;
this.onerror = onerror || defaultOnerror;
this.stream = videoStream;
this.audioStream = audioStream;
this.mode = mode;
this.onsdpoffer = onsdpoffer || noop;
}
/**
* @description This method creates the RTCPeerConnection object taking into
* account the properties received in the constructor. It starts
* the SDP negotiation process: generates the SDP offer and invokes
* the onsdpoffer callback. This callback is expected to send the
* SDP offer, in order to obtain an SDP answer from another peer.
*
* @function module:kurentoUtils.WebRtcPeer.prototype.start
*
*/
WebRtcPeer.prototype.start = function(server, options) {
var self = this;
server = server || this.server;
options = options || this.seoptionsrver;
if (!this.pc) {
this.pc = new RTCPeerConnection(server, options);
}
var pc = this.pc;
if (this.stream && this.localVideo) {
this.localVideo.src = URL.createObjectURL(this.stream);
this.localVideo.muted = true;
}
if (this.stream) {
pc.addStream(this.stream);
}
if (this.audioStream) {
pc.addStream(this.audioStream);
}
this.constraints = {
mandatory : {
OfferToReceiveAudio : (this.remoteVideo !== undefined),
OfferToReceiveVideo : (this.remoteVideo !== undefined)
}
};
pc.createOffer(function(offer) {
console.log('Created SDP offer');
pc.setLocalDescription(offer, function() {
console.log('Local description set');
}, self.onerror);
}, this.onerror, this.constraints);
var ended = false;
pc.onicecandidate = function(e) {
// candidate exists in e.candidate
if (e.candidate) {
ended = false;
return;
}
if (ended) {
return;
}
var offerSdp = pc.localDescription.sdp;
console.log('ICE negotiation completed');
self.onsdpoffer(offerSdp, self);
// self.emit('sdpoffer', offerSdp);
ended = true;
};
}
/**
* @description This method frees the resources used by WebRtcPeer.
*
* @function module:kurentoUtils.WebRtcPeer.prototype.dispose
*/
WebRtcPeer.prototype.dispose = function() {
console.log('Disposing WebRtcPeer');
// FIXME This is not yet implemented in firefox
// if (this.stream) this.pc.removeStream(this.stream);
// For old browsers, PeerConnection.close() is NOT idempotent and raise
// error. We check its signaling state and don't close it if it's already
// closed
if (this.pc && this.pc.signalingState != 'closed')
this.pc.close();
if (this.localVideo)
this.localVideo.src = '';
if (this.remoteVideo)
this.remoteVideo.src = '';
if (this.stream) {
this.stream.getAudioTracks().forEach(function(track) {
track.stop && track.stop()
})
this.stream.getVideoTracks().forEach(function(track) {
track.stop && track.stop()
})
}
};
/**
* @description Default user media constraints considered when invoking the
* getUserMedia function. These values are: maxWidth=640,
* maxFrameRate=15, minFrameRate=15.
*
* @alias module:kurentoUtils.WebRtcPeer.prototype.userMediaConstraints
*/
WebRtcPeer.prototype.userMediaConstraints = {
audio : true,
video : {
mandatory : {
maxWidth : 640,
maxFrameRate : 15,
minFrameRate : 15
}
}
};
/**
* @description Callback function invoked when and SDP answer is received.
* Developers are expected to invoke this function in order to
* complete the SDP negotiation.
*
* @function module:kurentoUtils.WebRtcPeer.prototype.processSdpAnswer
*
* @param sdpAnswer -
* Description of sdpAnswer
* @param successCallback -
* Called when the remoteDescription and the remoteVideo.src have
* been set successfully.
*/
WebRtcPeer.prototype.processSdpAnswer = function(sdpAnswer, successCallback) {
var answer = new RTCSessionDescription({
type : 'answer',
sdp : sdpAnswer,
});
console.log('SDP answer received, setting remote description');
var self = this;
self.pc.setRemoteDescription(answer, function() {
if (self.remoteVideo) {
var stream = self.pc.getRemoteStreams()[0];
self.remoteVideo.src = URL.createObjectURL(stream);
}
if (successCallback) {
successCallback();
}
}, this.onerror);
}
/**
* @description Default ICE server (stun:stun.l.google.com:19302).
*
* @alias module:kurentoUtils.WebRtcPeer.prototype.server
*/
WebRtcPeer.prototype.server = {
iceServers : freeice()
};
/**
* @description Default options (DtlsSrtpKeyAgreement=true) for
* RTCPeerConnection.
*
* @alias module:kurentoUtils.WebRtcPeer.prototype.options
*/
WebRtcPeer.prototype.options = {
optional : [ {
DtlsSrtpKeyAgreement : true
} ]
};
/**
* @description This method creates the WebRtcPeer object and obtain userMedia
* if needed.
*
* @function module:kurentoUtils.WebRtcPeer.start
*
* @param mode -
* {String} Mode in which the PeerConnection will be configured.
* Valid values are: 'recv', 'send', and 'sendRecv'
* @param localVideo -
* {Object} Video tag for the local stream
* @param remoteVideo -
* {Object} Video tag for the remote stream
* @param onSdp -
* {Function} Callback executed when a SDP offer has been generated
* @param onerror -
* {Function} Callback executed when an error happens generating an
* SDP offer
* @param mediaConstraints -
* {Object[]} Constraints used to create RTCPeerConnection
* @param videoStream -
* {Object} MediaStream to be used as primary source (typically video
* and audio, or only video if combined with audioStream) for
* localVideo and to be added as stream to the RTCPeerConnection
* @param videoStream -
* {Object} MediaStream to be used as primary source (typically video
* and audio, or only video if combined with audioStream) for
* localVideo and to be added as stream to the RTCPeerConnection
* @param audioStream -
* {Object} MediaStream to be used as second source (typically for
* audio) for localVideo and to be added as stream to the
* RTCPeerConnection
*
* @return {module:kurentoUtils.WebRtcPeer}
*/
WebRtcPeer.start = function(mode, localVideo, remoteVideo, onSdp, onerror,
mediaConstraints, videoStream, audioStream, server, options) {
var wp = new WebRtcPeer(mode, localVideo, remoteVideo, onSdp, onerror,
videoStream, audioStream);
if (wp.mode !== 'recv' && !wp.stream) {
var constraints = mediaConstraints ? mediaConstraints
: wp.userMediaConstraints;
getUserMedia(constraints, function(userStream) {
wp.stream = userStream;
wp.start(server, options);
}, wp.onerror);
} else {
wp.start(server, options);
}
return wp;
};
/**
* @description This methods creates a WebRtcPeer to receive video.
*
* @function module:kurentoUtils.WebRtcPeer.startRecvOnly
*
* @param remoteVideo -
* {Object} Video tag for the remote stream
* @param onSdp -
* {Function} Callback executed when a SDP offer has been generated
* @param onerror -
* {Function} Callback executed when an error happens generating an
* SDP offer
* @param mediaConstraints -
* {Object[]} Constraints used to create RTCPeerConnection
*
* @return {module:kurentoUtils.WebRtcPeer}
*/
WebRtcPeer.startRecvOnly = function(remoteVideo, onSdp, onError,
mediaConstraints, server, options) {
return WebRtcPeer.start('recv', null, remoteVideo, onSdp, onError,
mediaConstraints, server, options);
};
/**
* @description This methods creates a WebRtcPeer to send video.
*
* @function module:kurentoUtils.WebRtcPeer.startSendOnly
*
* @param localVideo -
* {Object} Video tag for the local stream
* @param onSdp -
* {Function} Callback executed when a SDP offer has been generated
* @param onerror -
* {Function} Callback executed when an error happens generating an
* SDP offer
* @param mediaConstraints -
* {Object[]} Constraints used to create RTCPeerConnection
*
* @return {module:kurentoUtils.WebRtcPeer}
*/
WebRtcPeer.startSendOnly = function(localVideo, onSdp, onError,
mediaConstraints, server, options) {
return WebRtcPeer.start('send', localVideo, null, onSdp, onError,
mediaConstraints, server, options);
};
/**
* @description This methods creates a WebRtcPeer to send and receive video.
*
* @function module:kurentoUtils.WebRtcPeer.startSendRecv
*
* @param localVideo -
* {Object} Video tag for the local stream
* @param remoteVideo -
* {Object} Video tag for the remote stream
* @param onSdp -
* {Function} Callback executed when a SDP offer has been generated
* @param onerror -
* {Function} Callback executed when an error happens generating an
* SDP offer
* @param mediaConstraints -
* {Object[]} Constraints used to create RTCPeerConnection
*
* @return {module:kurentoUtils.WebRtcPeer}
*/
WebRtcPeer.startSendRecv = function(localVideo, remoteVideo, onSdp, onError,
mediaConstraints, server, options) {
return WebRtcPeer.start('sendRecv', localVideo, remoteVideo, onSdp,
onError, mediaConstraints, server, options);
};
module.exports = WebRtcPeer;
},{"freeice":3}],2:[function(require,module,exports){
var quickconnect = require('rtc-quickconnect');
var buffered = require('rtc-bufferedchannel');
var freeice = require('freeice');
var utils = require('./Utils.js');
/* Configuration */
BEMTV_ROOM_DISCOVER_URL = "http://server.bem.tv/room"
BEMTV_SERVER = "http://server.bem.tv:8080"
ICE_SERVERS = freeice();
DESIRE_TIMEOUT = 0.7; // in seconds
REQ_TIMEOUT = 3; // in seconds
MAX_CACHE_SIZE = 10;
/* Header protocol messages */
CHUNK_REQ = "req"
CHUNK_DESIRE = "des"
CHUNK_DESACK = "desack"
CHUNK_OFFER = "offer"
/* Peer States */
PEER_IDLE = 0
PEER_WAITING = 1
PEER_UPLOADING = 2
PEER_DOWNLOADING = 3
PEER_DESIRING = 4
var BemTV = function() {
this._init();
}
function noop(e){e&&console.error(e)}function trackStop(e){e.stop&&e.stop()}function streamStop(e){e.getTracks().forEach(trackStop)}function bufferizeCandidates(e,n){var t=[];return e.addEventListener("signalingstatechange",function(){if("stable"===this.signalingState)for(;t.length;){var e=t.shift();this.addIceCandidate(e.candidate,e.callback,e.callback)}}),function(i,r){switch(r=r||n,e.signalingState){case"closed":r(new Error("PeerConnection object is closed"));break;case"stable":if(e.remoteDescription){e.addIceCandidate(i,r,r);break}default:t.push({candidate:i,callback:r})}}}function removeFIDFromOffer(e){var n=e.indexOf("a=ssrc-group:FID");return n>0?e.slice(0,n):e}function getSimulcastInfo(e){var n=e.getVideoTracks();if(!n.length)return console.warn("No video tracks available in the video stream"),"";var t=["a=x-google-flag:conference","a=ssrc-group:SIM 1 2 3","a=ssrc:1 cname:localVideo","a=ssrc:1 msid:"+e.id+" "+n[0].id,"a=ssrc:1 mslabel:"+e.id,"a=ssrc:1 label:"+n[0].id,"a=ssrc:2 cname:localVideo","a=ssrc:2 msid:"+e.id+" "+n[0].id,"a=ssrc:2 mslabel:"+e.id,"a=ssrc:2 label:"+n[0].id,"a=ssrc:3 cname:localVideo","a=ssrc:3 msid:"+e.id+" "+n[0].id,"a=ssrc:3 mslabel:"+e.id,"a=ssrc:3 label:"+n[0].id];return t.push(""),t.join("\n")}function WebRtcPeer(e,n,t){function i(){if(d){var e=h.getRemoteStreams()[0],n=e?URL.createObjectURL(e):"";d.pause(),d.src=n,d.load(),console.log("Remote URL:",n)}}function r(e){return C&&("Chrome"===w.name||"Chromium"===w.name?(console.log("Adding multicast info"),e=new RTCSessionDescription({type:e.type,sdp:removeFIDFromOffer(e.sdp)+getSimulcastInfo(l)})):console.warn("Simulcast is only available in Chrome browser.")),e}function o(){P.emit("streamended",this)}function a(){"closed"===h.signalingState&&t('The peer connection object is in "closed" state. This is most likely due to an invocation of the dispose method before accepting in the dialogue'),l&&c&&P.showLocalVideo(),l&&(l.addEventListener("ended",o),h.addStream(l)),u&&(u.addEventListener("ended",o),h.addStream(u));var n=parser.getBrowser();"sendonly"!==e||"Chrome"!==n.name&&"Chromium"!==n.name||39!==n.major||(e="sendrecv"),t()}function s(e){void 0===e&&(e=MEDIA_CONSTRAINTS),getUserMedia(e,function(e){l=e,a()},t)}if(!(this instanceof WebRtcPeer))return new WebRtcPeer(e,n,t);WebRtcPeer.super_.call(this),n instanceof Function&&(t=n,n=void 0),n=n||{},t=(t||noop).bind(this);var c=n.localVideo,d=n.remoteVideo,l=n.videoStream,u=n.audioStream,f=n.mediaConstraints,v=n.connectionConstraints,h=n.peerConnection,p=n.sendSource||"webcam",g=uuid.v4(),b=recursive({iceServers:freeice()},n.configuration),m=n.onstreamended;m&&this.on("streamended",m);var R=n.onicecandidate;R&&this.on("icecandidate",R);var S=n.oncandidategatheringdone;S&&this.on("candidategatheringdone",S);var w=parser.getBrowser(),C=n.simulcast;h||(h=new RTCPeerConnection(b)),Object.defineProperties(this,{peerConnection:{get:function(){return h}},id:{value:n.id||g,writable:!1},remoteVideo:{get:function(){return d}},localVideo:{get:function(){return c}},currentFrame:{get:function(){if(d){if(d.readyState<d.HAVE_CURRENT_DATA)throw new Error("No video stream data available");var e=document.createElement("canvas");return e.width=d.videoWidth,e.height=d.videoHeight,e.getContext("2d").drawImage(d,0,0),e}}}});var P=this,y=[],E=!1;h.addEventListener("icecandidate",function(e){var n=e.candidate;EventEmitter.listenerCount(P,"icecandidate")||EventEmitter.listenerCount(P,"candidategatheringdone")?n?(P.emit("icecandidate",n),E=!1):E||(P.emit("candidategatheringdone"),E=!0):E||(y.push(n),n||(E=!0))}),h.onaddstream=n.onaddstream,h.onnegotiationneeded=n.onnegotiationneeded,this.on("newListener",function(e,n){if("icecandidate"===e||"candidategatheringdone"===e)for(;y.length;){var t=y.shift();!t==("candidategatheringdone"===e)&&n(t)}});var W=bufferizeCandidates(h);this.addIceCandidate=function(e,n){var t=new RTCIceCandidate(e);console.log("ICE candidate received"),n=(n||noop).bind(this),W(t,n)},this.generateOffer=function(n){n=n.bind(this);var t=!0,i=!0;f&&(t="boolean"==typeof f.audio?f.audio:!0,i="boolean"==typeof f.video?f.video:!0);var o="Firefox"===w.name&&w.version>34?{offerToReceiveAudio:"sendonly"!==e&&t,offerToReceiveVideo:"sendonly"!==e&&i}:{mandatory:{OfferToReceiveAudio:"sendonly"!==e&&t,OfferToReceiveVideo:"sendonly"!==e&&i},optional:[{DtlsSrtpKeyAgreement:!0}]},a=recursive(o,v);console.log("constraints: "+JSON.stringify(a)),h.createOffer(function(e){console.log("Created SDP offer"),e=r(e),h.setLocalDescription(e,function(){console.log("Local description set",e.sdp),n(null,e.sdp,P.processAnswer.bind(P))},n)},n,a)},this.getLocalSessionDescriptor=function(){return h.localDescription},this.getRemoteSessionDescriptor=function(){return h.remoteDescription},this.showLocalVideo=function(){c.src=URL.createObjectURL(l),c.muted=!0},this.processAnswer=function(e,n){n=(n||noop).bind(this);var t=new RTCSessionDescription({type:"answer",sdp:e});return console.log("SDP answer received, setting remote description"),"closed"===h.signalingState?n("PeerConnection is closed"):void h.setRemoteDescription(t,function(){i(),n()},n)},this.processOffer=function(e,n){n=n.bind(this);var t=new RTCSessionDescription({type:"offer",sdp:e});return console.log("SDP offer received, setting remote description"),"closed"===h.signalingState?n("PeerConnection is closed"):void h.setRemoteDescription(t,function(){i(),h.createAnswer(function(e){e=r(e),console.log("Created SDP answer"),h.setLocalDescription(e,function(){console.log("Local description set",e.sdp),n(null,e.sdp)},n)},n)},n)},"recvonly"===e||l||u?setTimeout(a,0):"webcam"===p?s(f):getScreenConstraints(p,function(e,n){return e?t(e):(constraints=[f],constraints.unshift(n),void s(recursive.apply(void 0,constraints)))},g),this.on("_dispose",function(){c&&(c.pause(),c.src="",c.load()),d&&(d.pause(),d.src="",d.load()),P.removeAllListeners(),void 0!==window.cancelChooseDesktopMedia&&window.cancelChooseDesktopMedia(g)})}function createEnableDescriptor(e){var n="get"+e+"Tracks";return{enumerable:!0,get:function(){if(this.peerConnection){var e=this.peerConnection.getLocalStreams();if(e.length){for(var t,i=0;t=e[i];i++)for(var r,o=t[n](),a=0;r=o[a];a++)if(!r.enabled)return!1;return!0}}},set:function(e){function t(n){n.enabled=e}this.peerConnection.getLocalStreams().forEach(function(e){e[n]().forEach(t)})}}}function WebRtcPeerRecvonly(e,n){return this instanceof WebRtcPeerRecvonly?void WebRtcPeerRecvonly.super_.call(this,"recvonly",e,n):new WebRtcPeerRecvonly(e,n)}function WebRtcPeerSendonly(e,n){return this instanceof WebRtcPeerSendonly?void WebRtcPeerSendonly.super_.call(this,"sendonly",e,n):new WebRtcPeerSendonly(e,n)}function WebRtcPeerSendrecv(e,n){return this instanceof WebRtcPeerSendrecv?void WebRtcPeerSendrecv.super_.call(this,"sendrecv",e,n):new WebRtcPeerSendrecv(e,n)}function harkUtils(e,n){return hark(e,n)}var freeice=require("freeice"),inherits=require("inherits"),UAParser=require("ua-parser-js"),uuid=require("uuid"),hark=require("hark"),EventEmitter=require("events").EventEmitter,recursive=require("merge").recursive.bind(void 0,!0);try{require("kurento-browser-extensions")}catch(error){"undefined"==typeof getScreenConstraints&&(console.warn("screen sharing is not available"),getScreenConstraints=function(e,n){n(new Error("This library is not enabled for screen sharing"))})}var MEDIA_CONSTRAINTS={audio:!0,video:{width:640,framerate:15}},ua=window&&window.navigator?window.navigator.userAgent:"",parser=new UAParser(ua);inherits(WebRtcPeer,EventEmitter),Object.defineProperties(WebRtcPeer.prototype,{enabled:{enumerable:!0,get:function(){return this.audioEnabled&&this.videoEnabled},set:function(e){this.audioEnabled=this.videoEnabled=e}},audioEnabled:createEnableDescriptor("Audio"),videoEnabled:createEnableDescriptor("Video")}),WebRtcPeer.prototype.getLocalStream=function(e){return this.peerConnection?this.peerConnection.getLocalStreams()[e||0]:void 0},WebRtcPeer.prototype.getRemoteStream=function(e){return this.peerConnection?this.peerConnection.getRemoteStreams()[e||0]:void 0},WebRtcPeer.prototype.dispose=function(){console.log("Disposing WebRtcPeer");var e=this.peerConnection;try{if(e){if("closed"===e.signalingState)return;e.getLocalStreams().forEach(streamStop),e.close()}}catch(n){console.warn("Exception disposing webrtc peer "+n)}this.emit("_dispose")},inherits(WebRtcPeerRecvonly,WebRtcPeer),inherits(WebRtcPeerSendonly,WebRtcPeer),inherits(WebRtcPeerSendrecv,WebRtcPeer),exports.bufferizeCandidates=bufferizeCandidates,exports.WebRtcPeerRecvonly=WebRtcPeerRecvonly,exports.WebRtcPeerSendonly=WebRtcPeerSendonly,exports.WebRtcPeerSendrecv=WebRtcPeerSendrecv,exports.hark=harkUtils;
var _getDefaultTransports = function () {
var transports = []
// udp transport
if (UdpTransport.isCompatibleWithRuntime()) {
_log.debug('using UDP transport')
transports.push(new UdpTransport())
}
// tcp transport
if (TcpTransport.isCompatibleWithRuntime()) {
_log.debug('using TCP transport')
transports.push(new TcpTransport())
}
// turn transport
if (config.turnAddr !== undefined &&
config.turnPort !== undefined &&
config.turnUser !== undefined &&
config.turnPass !== undefined &&
config.onetpRegistrar !== undefined
) {
// turn+tcp
var turnConfig = {
turnServer: config.turnAddr,
turnPort: parseInt(config.turnPort),
turnUsername: config.turnUser,
turnPassword: config.turnPass,
turnProtocol: new TurnProtocols.TCP(),
signaling: new WebSocketSignaling({
url: config.onetpRegistrar
})
}
if (TurnTransport.isCompatibleWithRuntime(turnConfig)) {
_log.debug('using TURN+TCP transport')
transports.push(new TurnTransport(turnConfig))
} else {
// turn+udp
turnConfig.turnProtocol = new TurnProtocols.UDP()
if (TurnTransport.isCompatibleWithRuntime(turnConfig)) {
_log.debug('using TURN+UDP transport')
transports.push(new TurnTransport(turnConfig))
}
}
}
// webrtc transport
if (WebRtcTransport.isCompatibleWithRuntime() &&
config.onetpRegistrar !== undefined
) {
// add stun servers
var iceServers = freeice()
// add turn servers
if (config.turnAddr !== undefined &&
config.turnPort !== undefined &&
config.turnUser !== undefined &&
config.turnPass !== undefined
) {
var turnUrl = {
url: 'turn:' + config.turnAddr + ':' + config.turnPort,
username: config.turnUser,
credential: config.turnPass
}
iceServers.push(turnUrl)
}
var webrtcConfig = {
config: { iceServers: iceServers },
signaling: new WebSocketSignaling({
url: config.onetpRegistrar
})
}
_log.debug('using WebRtc transport')
transports.push(new WebRtcTransport(webrtcConfig))
}
return transports
}
/**
* Wrapper object of an RTCPeerConnection. This object is aimed to simplify the
* development of WebRTC-based applications.
*
* @constructor module:kurentoUtils.WebRtcPeer
*
* @param {String} mode Mode in which the PeerConnection will be configured.
* Valid values are: 'recv', 'send', and 'sendRecv'
* @param localVideo Video tag for the local stream
* @param remoteVideo Video tag for the remote stream
* @param {MediaStream} videoStream Stream to be used as primary source
* (typically video and audio, or only video if combined with audioStream) for
* localVideo and to be added as stream to the RTCPeerConnection
* @param {MediaStream} audioStream Stream to be used as second source
* (typically for audio) for localVideo and to be added as stream to the
* RTCPeerConnection
*/
function WebRtcPeer(mode, options, callback) {
if (!(this instanceof WebRtcPeer))
return new WebRtcPeer(mode, options, callback)
WebRtcPeer.super_.call(this)
if (options instanceof Function) {
callback = options
options = undefined
}
options = options || {}
callback = (callback || noop).bind(this)
var localVideo = options.localVideo;
var remoteVideo = options.remoteVideo;
var videoStream = options.videoStream;
var audioStream = options.audioStream;
var mediaConstraints = options.mediaConstraints;
var connectionConstraints = options.connectionConstraints;
var pc = options.peerConnection
var sendSource = options.sendSource || 'webcam'
var configuration = recursive({
iceServers: freeice()
},
options.configuration);
var onicecandidate = options.onicecandidate;
if (onicecandidate) this.on('icecandidate', onicecandidate);
var oncandidategatheringdone = options.oncandidategatheringdone;
if (oncandidategatheringdone) this.on('candidategatheringdone',
oncandidategatheringdone);
// Init PeerConnection
if (!pc) pc = new RTCPeerConnection(configuration);
Object.defineProperty(this, 'peerConnection', {
get: function () {
return pc;
}
});
/**
* @member {(external:ImageData|undefined)} currentFrame
*/
Object.defineProperty(this, 'currentFrame', {
get: function () {
// [ToDo] Find solution when we have a remote stream but we didn't set
// a remoteVideo tag
if (!remoteVideo) return;
if (remoteVideo.readyState < remoteVideo.HAVE_CURRENT_DATA)
throw new Error('No video stream data available')
var canvas = document.createElement('canvas')
canvas.width = remoteVideo.videoWidth
canvas.height = remoteVideo.videoHeight
canvas.getContext('2d').drawImage(remoteVideo, 0, 0)
return canvas
}
});
var self = this;
var candidategatheringdone = false
pc.addEventListener('icecandidate', function (event) {
var candidate = event.candidate
if (candidate) {
self.emit('icecandidate', candidate);
candidategatheringdone = false
} else if (!candidategatheringdone) {
self.emit('candidategatheringdone');
candidategatheringdone = true
}
});
var candidatesQueue = []
/**
* Callback function invoked when an ICE candidate is received. Developers are
* expected to invoke this function in order to complete the SDP negotiation.
*
* @function module:kurentoUtils.WebRtcPeer.prototype.addIceCandidate
*
* @param iceCandidate - Literal object with the ICE candidate description
* @param callback - Called when the ICE candidate has been added.
*/
this.addIceCandidate = function (iceCandidate, callback) {
var candidate = new RTCIceCandidate(iceCandidate);
console.log('ICE candidate received');
callback = (callback || noop).bind(this)
switch (pc.signalingState) {
case 'closed':
Callback(new Error('PeerConnection object is closed'))
break
case 'stable':
if (pc.remoteDescription) {
pc.addIceCandidate(candidate, callback, callback);
break;
}
default:
candidatesQueue.push({
candidate: candidate,
callback: callback
})
}
}
pc.addEventListener('signalingstatechange', function () {
if (this.signalingState == 'stable')
while (candidatesQueue.length) {
var entry = candidatesQueue.shift()
this.addIceCandidate(entry.candidate, entry.callback, entry.callback);
}
})
this.generateOffer = function (callback) {
callback = callback.bind(this)
var constraints = recursive({
offerToReceiveAudio: (mode !== 'sendonly'),
offerToReceiveVideo: (mode !== 'sendonly')
}, connectionConstraints);
console.log('constraints: ' + JSON.stringify(constraints));
pc.createOffer(function (offer) {
console.log('Created SDP offer');
pc.setLocalDescription(offer, function () {
console.log('Local description set', offer.sdp);
callback(null, offer.sdp, self.processAnswer.bind(self));
},
callback);
},
callback, constraints);
}
this.getLocalSessionDescriptor = function () {
return pc.localDescription
}
this.getRemoteSessionDescriptor = function () {
return pc.remoteDescription
}
function setRemoteVideo() {
if (remoteVideo) {
var stream = pc.getRemoteStreams()[0]
var url = stream ? URL.createObjectURL(stream) : "";
remoteVideo.src = url;
console.log('Remote URL:', url)
}
}
/**
* Callback function invoked when a SDP answer is received. Developers are
* expected to invoke this function in order to complete the SDP negotiation.
*
* @function module:kurentoUtils.WebRtcPeer.prototype.processAnswer
*
* @param sdpAnswer - Description of sdpAnswer
* @param callback - Called when the remote description has been set
* successfully.
*/
this.processAnswer = function (sdpAnswer, callback) {
callback = (callback || noop).bind(this)
var answer = new RTCSessionDescription({
type: 'answer',
sdp: sdpAnswer,
});
console.log('SDP answer received, setting remote description');
if (pc.signalingState == 'closed')
return callback('PeerConnection is closed')
pc.setRemoteDescription(answer, function () {
setRemoteVideo()
callback();
},
callback);
}
/**
* Callback function invoked when a SDP offer is received. Developers are
* expected to invoke this function in order to complete the SDP negotiation.
*
* @function module:kurentoUtils.WebRtcPeer.prototype.processOffer
*
* @param sdpOffer - Description of sdpOffer
* @param callback - Called when the remote description has been set
* successfully.
*/
this.processOffer = function (sdpOffer, callback) {
callback = callback.bind(this)
var offer = new RTCSessionDescription({
type: 'offer',
sdp: sdpOffer,
});
console.log('SDP offer received, setting remote description');
if (pc.signalingState == 'closed')
return callback('PeerConnection is closed')
pc.setRemoteDescription(offer, function () {
setRemoteVideo()
// Generate answer
var constraints = recursive({
// offerToReceiveAudio: (mode !== 'sendonly'),
// offerToReceiveVideo: (mode !== 'sendonly')
}, connectionConstraints);
console.log('constraints: ' + JSON.stringify(constraints));
pc.createAnswer(function (answer) {
console.log('Created SDP answer');
pc.setLocalDescription(answer, function () {
console.log('Local description set', answer.sdp);
callback(null, answer.sdp);
},
callback);
},
callback, constraints);
},
callback);
}
/**
* This function creates the RTCPeerConnection object taking into account the
* properties received in the constructor. It starts the SDP negotiation
* process: generates the SDP offer and invokes the onsdpoffer callback. This
* callback is expected to send the SDP offer, in order to obtain an SDP
* answer from another peer.
*/
function start() {
if (videoStream && localVideo) {
localVideo.src = URL.createObjectURL(videoStream);
localVideo.muted = true;
}
if (videoStream) pc.addStream(videoStream);
if (audioStream) pc.addStream(audioStream);
// [Hack] https://code.google.com/p/chromium/issues/detail?id=443558
if (mode == 'sendonly') mode = 'sendrecv';
// // Create the offer with the required constraints
// self.generateOffer(callback)
callback()
}
if (mode !== 'recvonly' && !videoStream && !audioStream) {
function getMedia(constraints) {
getUserMedia(recursive(MEDIA_CONSTRAINTS, constraints), function (
stream) {
videoStream = stream;
start()
},
callback);
}
if (sendSource != 'webcam' && !mediaConstraints)
getScreenConstraints(sendMode, function (error, constraints) {
if (error) return callback(error)
getMedia(constraints)
})
else
getMedia(mediaConstraints)
} else {
setTimeout(start, 0)
}
this.on('_dispose', function () {
if (localVideo) localVideo.src = '';
if (remoteVideo) remoteVideo.src = '';
})
}
/**
* Wrapper object of an RTCPeerConnection. This object is aimed to simplify the
* development of WebRTC-based applications.
*
* @constructor module:kurentoUtils.WebRtcPeer
*
* @param {String} mode Mode in which the PeerConnection will be configured.
* Valid values are: 'recv', 'send', and 'sendRecv'
* @param localVideo Video tag for the local stream
* @param remoteVideo Video tag for the remote stream
* @param {MediaStream} videoStream Stream to be used as primary source
* (typically video and audio, or only video if combined with audioStream) for
* localVideo and to be added as stream to the RTCPeerConnection
* @param {MediaStream} audioStream Stream to be used as second source
* (typically for audio) for localVideo and to be added as stream to the
* RTCPeerConnection
*/
function WebRtcPeer(mode, options, callback) {
if (!(this instanceof WebRtcPeer)) {
return new WebRtcPeer(mode, options, callback)
}
WebRtcPeer.super_.call(this)
if (options instanceof Function) {
callback = options
options = undefined
}
options = options || {}
callback = (callback || noop).bind(this)
var localVideo = options.localVideo
var remoteVideo = options.remoteVideo
var videoStream = options.videoStream
var audioStream = options.audioStream
var mediaConstraints = options.mediaConstraints
var connectionConstraints = options.connectionConstraints
var pc = options.peerConnection
var sendSource = options.sendSource || 'webcam'
var guid = uuid.v4()
var configuration = recursive({
iceServers: freeice()
},
options.configuration)
var onstreamended = options.onstreamended
if (onstreamended) this.on('streamended', onstreamended)
var onicecandidate = options.onicecandidate
if (onicecandidate) this.on('icecandidate', onicecandidate)
var oncandidategatheringdone = options.oncandidategatheringdone
if (oncandidategatheringdone) {
this.on('candidategatheringdone', oncandidategatheringdone)
}
var simulcast = options.simulcast
// Init PeerConnection
if (!pc) pc = new RTCPeerConnection(configuration)
Object.defineProperties(this, {
'peerConnection': {
get: function () {
return pc
}
},
'remoteVideo': {
get: function () {
return remoteVideo
}
},
'localVideo': {
get: function () {
return localVideo
}
},
/**
* @member {(external:ImageData|undefined)} currentFrame
*/
'currentFrame': {
get: function () {
// [ToDo] Find solution when we have a remote stream but we didn't set
// a remoteVideo tag
if (!remoteVideo) return;
if (remoteVideo.readyState < remoteVideo.HAVE_CURRENT_DATA)
throw new Error('No video stream data available')
var canvas = document.createElement('canvas')
canvas.width = remoteVideo.videoWidth
canvas.height = remoteVideo.videoHeight
canvas.getContext('2d').drawImage(remoteVideo, 0, 0)
return canvas
}
}
})
var self = this
var candidatesQueueOut = []
var candidategatheringdone = false
pc.onicecandidate = function(event){
var candidate = event.candidate
if (EventEmitter.listenerCount(self, 'icecandidate') ||
EventEmitter.listenerCount(
self, 'candidategatheringdone')) {
if (candidate) {
self.emit('icecandidate', candidate)
candidategatheringdone = false
} else if (!candidategatheringdone) {
self.emit('candidategatheringdone')
candidategatheringdone = true
}
} else if (!candidategatheringdone) {
// Not listening to 'icecandidate' or 'candidategatheringdone' events, queue
// the candidate until one of them is listened
candidatesQueueOut.push(candidate)
if (!candidate) candidategatheringdone = true
}
};
this.on('newListener', function (event, listener) {
if (event === 'icecandidate' || event === 'candidategatheringdone') {
while (candidatesQueueOut.length) {
var candidate = candidatesQueueOut.shift()
if (!candidate === (event === 'candidategatheringdone')) {
listener(candidate)
}
}
}
})
var addIceCandidate = bufferizeCandidates(pc)
/**
* Callback function invoked when an ICE candidate is received. Developers are
* expected to invoke this function in order to complete the SDP negotiation.
*
* @function module:kurentoUtils.WebRtcPeer.prototype.addIceCandidate
*
* @param iceCandidate - Literal object with the ICE candidate description
* @param callback - Called when the ICE candidate has been added.
*/
this.addIceCandidate = function (iceCandidate, callback) {
var candidate = new RTCIceCandidate(iceCandidate)
console.log('ICE candidate received')
callback = (callback || noop).bind(this)
addIceCandidate(candidate, callback)
}
this.generateOffer = function (callback) {
callback = callback.bind(this)
var browser = parser.getBrowser()
var offerAudio = true
var offerVideo = true
// Constraints must have both blocks
if (mediaConstraints) {
offerAudio = (typeof mediaConstraints.audio === 'boolean') ?
mediaConstraints.audio : true
offerVideo = (typeof mediaConstraints.video === 'boolean') ?
mediaConstraints.video : true
}
var browserDependantConstraints = (browser.name === 'Firefox' &&
browser.version > 34) ? {
offerToReceiveAudio: (mode !== 'sendonly' && offerAudio),
offerToReceiveVideo: (mode !== 'sendonly' && offerVideo)
} : {
mandatory: {
OfferToReceiveAudio: (mode !== 'sendonly' && offerAudio),
OfferToReceiveVideo: (mode !== 'sendonly' && offerVideo)
},
optional: [{
DtlsSrtpKeyAgreement: true
}]
}
var constraints = recursive(browserDependantConstraints,
connectionConstraints)
console.log('constraints: ' + JSON.stringify(constraints))
pc.createOffer(function (offer) {
console.log('Created SDP offer')
if (simulcast) {
if ((browser.name === 'Chrome' || browser.name === 'Chromium')) {
console.log('Adding multicast info')
offer = new RTCSessionDescription({
'type': offer.type,
'sdp': removeFIDFromOffer(offer.sdp) + getSimulcastInfo(
videoStream)
});
} else {
console.warn('Simulcast is only available in Chrome browser.');
}
}
pc.setLocalDescription(offer, function () {
console.log('Local description set', offer.sdp)
callback(null, offer.sdp, self.processAnswer.bind(self))
},
callback)
},
callback, constraints)
}
this.getLocalSessionDescriptor = function () {
return pc.localDescription
}
this.getRemoteSessionDescriptor = function () {
return pc.remoteDescription
}
function setRemoteVideo() {
if (remoteVideo) {
var stream = pc.getRemoteStreams()[0];
var url = stream;
attachMediaStream(remoteVideo, stream);
console.log('Remote URL:', url);
}
}
this.showLocalVideo = function () {
attachMediaStream(localVideo, videoStream);
}
/**
* Callback function invoked when a SDP answer is received. Developers are
* expected to invoke this function in order to complete the SDP negotiation.
*
* @function module:kurentoUtils.WebRtcPeer.prototype.processAnswer
*
* @param sdpAnswer - Description of sdpAnswer
* @param callback - Called when the remote description has been set
* successfully.
*/
this.processAnswer = function (sdpAnswer, callback) {
callback = (callback || noop).bind(this)
var answer = new RTCSessionDescription({
type: 'answer',
sdp: sdpAnswer
})
console.log('SDP answer received, setting remote description')
if (pc.signalingState === 'closed') {
return callback('PeerConnection is closed')
}
pc.setRemoteDescription(answer, function () {
setRemoteVideo()
callback()
},
callback)
}
/**
* Callback function invoked when a SDP offer is received. Developers are
* expected to invoke this function in order to complete the SDP negotiation.
*
* @function module:kurentoUtils.WebRtcPeer.prototype.processOffer
*
* @param sdpOffer - Description of sdpOffer
* @param callback - Called when the remote description has been set
* successfully.
*/
this.processOffer = function (sdpOffer, callback) {
callback = callback.bind(this)
var offer = new RTCSessionDescription({
type: 'offer',
sdp: sdpOffer
})
console.log('SDP offer received, setting remote description')
if (pc.signalingState === 'closed') {
return callback('PeerConnection is closed')
}
pc.setRemoteDescription(offer, function () {
setRemoteVideo()
// Generate answer
pc.createAnswer(function (answer) {
console.log('Created SDP answer')
pc.setLocalDescription(answer, function () {
console.log('Local description set', answer.sdp)
callback(null, answer.sdp)
},
callback)
},
callback)
},
callback)
}
function streamEndedListener() {
self.emit('streamended', this)
}
/**
* This function creates the RTCPeerConnection object taking into account the
* properties received in the constructor. It starts the SDP negotiation
* process: generates the SDP offer and invokes the onsdpoffer callback. This
* callback is expected to send the SDP offer, in order to obtain an SDP
* answer from another peer.
*/
function start() {
if (pc.signalingState === 'closed') {
callback(
'The peer connection object is in "closed" state. This is most likely due to an invocation of the dispose method before accepting in the dialogue'
)
}
if (videoStream && localVideo) {
self.showLocalVideo()
}
if (videoStream) {
videoStream.onended = function(event){
streamEndedListener();
};
pc.addStream(videoStream)
}
if (audioStream) {
audioStream.onended = function(event){
streamEndedListener();
};
pc.addStream(audioStream)
}
// [Hack] https://code.google.com/p/chromium/issues/detail?id=443558
var browser = parser.getBrowser()
if (mode === 'sendonly' &&
(browser.name === 'Chrome' || browser.name === 'Chromium') &&
browser.major === 39) {
mode = 'sendrecv'
}
callback()
}
if (mode !== 'recvonly' && !videoStream && !audioStream) {
function getMedia(constraints) {
if (constraints === undefined) {
constraints = MEDIA_CONSTRAINTS
}
getUserMedia(constraints, function (stream) {
videoStream = stream
start()
}, callback)
}
if (sendSource === 'webcam') {
getMedia(mediaConstraints)
} else {
getScreenConstraints(sendSource, function (error, constraints_) {
if (error)
return callback(error)
constraints = [mediaConstraints]
constraints.unshift(constraints_)
getMedia(recursive.apply(undefined, constraints))
}, guid)
}
} else {
setTimeout(start, 0)
}
this.on('_dispose', function () {
if (localVideo) {
localVideo.pause()
localVideo.src = ''
localVideo.load()
}
if (remoteVideo) {
remoteVideo.pause()
remoteVideo.src = ''
remoteVideo.load()
}
self.removeAllListeners()
if (window.cancelChooseDesktopMedia !== undefined) {
window.cancelChooseDesktopMedia(guid)
}
})
}