718 lines
28 KiB
JavaScript
718 lines
28 KiB
JavaScript
/* jshint -W117 */
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// Jingle stuff
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JingleSession.prototype = Object.create(SessionBase.prototype);
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function JingleSession(me, sid, connection) {
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SessionBase.call(this, connection, sid);
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this.me = me;
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this.initiator = null;
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this.responder = null;
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this.isInitiator = null;
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this.peerjid = null;
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this.state = null;
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this.localSDP = null;
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this.remoteSDP = null;
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this.localStreams = [];
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this.relayedStreams = [];
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this.remoteStreams = [];
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this.startTime = null;
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this.stopTime = null;
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this.media_constraints = null;
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this.pc_constraints = null;
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this.ice_config = {};
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this.drip_container = [];
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this.usetrickle = true;
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this.usepranswer = false; // early transport warmup -- mind you, this might fail. depends on webrtc issue 1718
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this.usedrip = false; // dripping is sending trickle candidates not one-by-one
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this.hadstuncandidate = false;
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this.hadturncandidate = false;
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this.lasticecandidate = false;
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this.statsinterval = null;
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this.reason = null;
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this.wait = true;
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}
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JingleSession.prototype.initiate = function (peerjid, isInitiator) {
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var self = this;
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if (this.state !== null) {
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console.error('attempt to initiate on session ' + this.sid +
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'in state ' + this.state);
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return;
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}
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this.isInitiator = isInitiator;
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this.state = 'pending';
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this.initiator = isInitiator ? this.me : peerjid;
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this.responder = !isInitiator ? this.me : peerjid;
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this.peerjid = peerjid;
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this.hadstuncandidate = false;
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this.hadturncandidate = false;
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this.lasticecandidate = false;
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this.peerconnection
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= new TraceablePeerConnection(
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this.connection.jingle.ice_config,
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this.connection.jingle.pc_constraints );
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this.peerconnection.onicecandidate = function (event) {
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self.sendIceCandidate(event.candidate);
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};
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this.peerconnection.onaddstream = function (event) {
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self.remoteStreams.push(event.stream);
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$(document).trigger('remotestreamadded.jingle', [event, self.sid]);
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};
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this.peerconnection.onremovestream = function (event) {
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// Remove the stream from remoteStreams
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var streamIdx = self.remoteStreams.indexOf(event.stream);
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if(streamIdx !== -1){
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self.remoteStreams.splice(streamIdx, 1);
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}
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// FIXME: remotestreamremoved.jingle not defined anywhere(unused)
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$(document).trigger('remotestreamremoved.jingle', [event, self.sid]);
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};
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this.peerconnection.onsignalingstatechange = function (event) {
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if (!(self && self.peerconnection)) return;
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};
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this.peerconnection.oniceconnectionstatechange = function (event) {
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if (!(self && self.peerconnection)) return;
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switch (self.peerconnection.iceConnectionState) {
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case 'connected':
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this.startTime = new Date();
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break;
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case 'disconnected':
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this.stopTime = new Date();
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break;
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}
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$(document).trigger('iceconnectionstatechange.jingle', [self.sid, self]);
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};
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// add any local and relayed stream
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this.localStreams.forEach(function(stream) {
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self.peerconnection.addStream(stream);
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});
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this.relayedStreams.forEach(function(stream) {
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self.peerconnection.addStream(stream);
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});
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};
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JingleSession.prototype.accept = function () {
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var self = this;
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this.state = 'active';
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var pranswer = this.peerconnection.localDescription;
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if (!pranswer || pranswer.type != 'pranswer') {
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return;
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}
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console.log('going from pranswer to answer');
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if (this.usetrickle) {
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// remove candidates already sent from session-accept
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var lines = SDPUtil.find_lines(pranswer.sdp, 'a=candidate:');
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for (var i = 0; i < lines.length; i++) {
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pranswer.sdp = pranswer.sdp.replace(lines[i] + '\r\n', '');
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}
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}
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while (SDPUtil.find_line(pranswer.sdp, 'a=inactive')) {
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// FIXME: change any inactive to sendrecv or whatever they were originally
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pranswer.sdp = pranswer.sdp.replace('a=inactive', 'a=sendrecv');
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}
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var prsdp = new SDP(pranswer.sdp);
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var accept = $iq({to: this.peerjid,
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type: 'set'})
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.c('jingle', {xmlns: 'urn:xmpp:jingle:1',
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action: 'session-accept',
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initiator: this.initiator,
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responder: this.responder,
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sid: this.sid });
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prsdp.toJingle(accept, this.initiator == this.me ? 'initiator' : 'responder');
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this.connection.sendIQ(accept,
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function () {
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var ack = {};
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ack.source = 'answer';
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$(document).trigger('ack.jingle', [self.sid, ack]);
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},
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function (stanza) {
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var error = ($(stanza).find('error').length) ? {
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code: $(stanza).find('error').attr('code'),
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reason: $(stanza).find('error :first')[0].tagName,
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}:{};
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error.source = 'answer';
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$(document).trigger('error.jingle', [self.sid, error]);
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},
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10000);
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var sdp = this.peerconnection.localDescription.sdp;
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while (SDPUtil.find_line(sdp, 'a=inactive')) {
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// FIXME: change any inactive to sendrecv or whatever they were originally
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sdp = sdp.replace('a=inactive', 'a=sendrecv');
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}
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this.peerconnection.setLocalDescription(new RTCSessionDescription({type: 'answer', sdp: sdp}),
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function () {
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//console.log('setLocalDescription success');
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$(document).trigger('setLocalDescription.jingle', [self.sid]);
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},
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function (e) {
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console.error('setLocalDescription failed', e);
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}
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);
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};
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/**
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* Implements SessionBase.sendSSRCUpdate.
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*/
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JingleSession.prototype.sendSSRCUpdate = function(sdpMediaSsrcs, fromJid, isadd) {
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var self = this;
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console.log('tell', self.peerjid, 'about ' + (isadd ? 'new' : 'removed') + ' ssrcs from' + self.me);
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if (!(this.peerconnection.signalingState == 'stable' && this.peerconnection.iceConnectionState == 'connected')){
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console.log("Too early to send updates");
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return;
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}
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this.sendSSRCUpdateIq(sdpMediaSsrcs, self.sid, self.initiator, self.peerjid, isadd);
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};
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JingleSession.prototype.terminate = function (reason) {
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this.state = 'ended';
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this.reason = reason;
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this.peerconnection.close();
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if (this.statsinterval !== null) {
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window.clearInterval(this.statsinterval);
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this.statsinterval = null;
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}
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};
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JingleSession.prototype.active = function () {
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return this.state == 'active';
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};
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JingleSession.prototype.sendIceCandidate = function (candidate) {
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var self = this;
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if (candidate && !this.lasticecandidate) {
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var ice = SDPUtil.iceparams(this.localSDP.media[candidate.sdpMLineIndex], this.localSDP.session);
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var jcand = SDPUtil.candidateToJingle(candidate.candidate);
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if (!(ice && jcand)) {
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console.error('failed to get ice && jcand');
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return;
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}
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ice.xmlns = 'urn:xmpp:jingle:transports:ice-udp:1';
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if (jcand.type === 'srflx') {
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this.hadstuncandidate = true;
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} else if (jcand.type === 'relay') {
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this.hadturncandidate = true;
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}
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if (this.usetrickle) {
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if (this.usedrip) {
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if (this.drip_container.length === 0) {
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// start 20ms callout
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window.setTimeout(function () {
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if (self.drip_container.length === 0) return;
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self.sendIceCandidates(self.drip_container);
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self.drip_container = [];
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}, 20);
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}
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this.drip_container.push(event.candidate);
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return;
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} else {
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self.sendIceCandidate([event.candidate]);
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}
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}
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} else {
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//console.log('sendIceCandidate: last candidate.');
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if (!this.usetrickle) {
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//console.log('should send full offer now...');
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var init = $iq({to: this.peerjid,
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type: 'set'})
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.c('jingle', {xmlns: 'urn:xmpp:jingle:1',
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action: this.peerconnection.localDescription.type == 'offer' ? 'session-initiate' : 'session-accept',
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initiator: this.initiator,
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sid: this.sid});
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this.localSDP = new SDP(this.peerconnection.localDescription.sdp);
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this.localSDP.toJingle(init, this.initiator == this.me ? 'initiator' : 'responder');
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this.connection.sendIQ(init,
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function () {
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//console.log('session initiate ack');
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var ack = {};
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ack.source = 'offer';
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$(document).trigger('ack.jingle', [self.sid, ack]);
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},
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function (stanza) {
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self.state = 'error';
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self.peerconnection.close();
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var error = ($(stanza).find('error').length) ? {
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code: $(stanza).find('error').attr('code'),
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reason: $(stanza).find('error :first')[0].tagName,
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}:{};
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error.source = 'offer';
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$(document).trigger('error.jingle', [self.sid, error]);
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},
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10000);
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}
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this.lasticecandidate = true;
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console.log('Have we encountered any srflx candidates? ' + this.hadstuncandidate);
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console.log('Have we encountered any relay candidates? ' + this.hadturncandidate);
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if (!(this.hadstuncandidate || this.hadturncandidate) && this.peerconnection.signalingState != 'closed') {
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$(document).trigger('nostuncandidates.jingle', [this.sid]);
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}
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}
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};
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JingleSession.prototype.sendIceCandidates = function (candidates) {
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console.log('sendIceCandidates', candidates);
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var cand = $iq({to: this.peerjid, type: 'set'})
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.c('jingle', {xmlns: 'urn:xmpp:jingle:1',
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action: 'transport-info',
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initiator: this.initiator,
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sid: this.sid});
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for (var mid = 0; mid < this.localSDP.media.length; mid++) {
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var cands = candidates.filter(function (el) { return el.sdpMLineIndex == mid; });
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if (cands.length > 0) {
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var ice = SDPUtil.iceparams(this.localSDP.media[mid], this.localSDP.session);
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ice.xmlns = 'urn:xmpp:jingle:transports:ice-udp:1';
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cand.c('content', {creator: this.initiator == this.me ? 'initiator' : 'responder',
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name: cands[0].sdpMid
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}).c('transport', ice);
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for (var i = 0; i < cands.length; i++) {
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cand.c('candidate', SDPUtil.candidateToJingle(cands[i].candidate)).up();
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}
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// add fingerprint
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if (SDPUtil.find_line(this.localSDP.media[mid], 'a=fingerprint:', this.localSDP.session)) {
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var tmp = SDPUtil.parse_fingerprint(SDPUtil.find_line(this.localSDP.media[mid], 'a=fingerprint:', this.localSDP.session));
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tmp.required = true;
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cand.c('fingerprint').t(tmp.fingerprint);
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delete tmp.fingerprint;
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cand.attrs(tmp);
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cand.up();
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}
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cand.up(); // transport
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cand.up(); // content
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}
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}
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// might merge last-candidate notification into this, but it is called alot later. See webrtc issue #2340
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//console.log('was this the last candidate', this.lasticecandidate);
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this.connection.sendIQ(cand,
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function () {
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var ack = {};
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ack.source = 'transportinfo';
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$(document).trigger('ack.jingle', [this.sid, ack]);
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},
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function (stanza) {
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var error = ($(stanza).find('error').length) ? {
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code: $(stanza).find('error').attr('code'),
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reason: $(stanza).find('error :first')[0].tagName,
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}:{};
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error.source = 'transportinfo';
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$(document).trigger('error.jingle', [this.sid, error]);
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},
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10000);
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};
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JingleSession.prototype.sendOffer = function () {
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//console.log('sendOffer...');
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var self = this;
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this.peerconnection.createOffer(function (sdp) {
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self.createdOffer(sdp);
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},
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function (e) {
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console.error('createOffer failed', e);
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},
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this.media_constraints
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);
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};
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JingleSession.prototype.createdOffer = function (sdp) {
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//console.log('createdOffer', sdp);
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var self = this;
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this.localSDP = new SDP(sdp.sdp);
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//this.localSDP.mangle();
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if (this.usetrickle) {
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var init = $iq({to: this.peerjid,
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type: 'set'})
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.c('jingle', {xmlns: 'urn:xmpp:jingle:1',
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action: 'session-initiate',
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initiator: this.initiator,
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sid: this.sid});
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this.localSDP.toJingle(init, this.initiator == this.me ? 'initiator' : 'responder');
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this.connection.sendIQ(init,
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function () {
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var ack = {};
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ack.source = 'offer';
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$(document).trigger('ack.jingle', [self.sid, ack]);
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},
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function (stanza) {
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self.state = 'error';
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self.peerconnection.close();
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var error = ($(stanza).find('error').length) ? {
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code: $(stanza).find('error').attr('code'),
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reason: $(stanza).find('error :first')[0].tagName,
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}:{};
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error.source = 'offer';
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$(document).trigger('error.jingle', [self.sid, error]);
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},
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10000);
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}
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sdp.sdp = this.localSDP.raw;
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this.peerconnection.setLocalDescription(sdp,
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function () {
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$(document).trigger('setLocalDescription.jingle', [self.sid]);
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//console.log('setLocalDescription success');
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},
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function (e) {
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console.error('setLocalDescription failed', e);
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}
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);
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var cands = SDPUtil.find_lines(this.localSDP.raw, 'a=candidate:');
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for (var i = 0; i < cands.length; i++) {
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var cand = SDPUtil.parse_icecandidate(cands[i]);
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if (cand.type == 'srflx') {
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this.hadstuncandidate = true;
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} else if (cand.type == 'relay') {
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this.hadturncandidate = true;
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}
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}
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};
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JingleSession.prototype.setRemoteDescription = function (elem, desctype) {
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//console.log('setting remote description... ', desctype);
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this.remoteSDP = new SDP('');
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this.remoteSDP.fromJingle(elem);
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if (this.peerconnection.remoteDescription !== null) {
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console.log('setRemoteDescription when remote description is not null, should be pranswer', this.peerconnection.remoteDescription);
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if (this.peerconnection.remoteDescription.type == 'pranswer') {
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var pranswer = new SDP(this.peerconnection.remoteDescription.sdp);
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for (var i = 0; i < pranswer.media.length; i++) {
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// make sure we have ice ufrag and pwd
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if (!SDPUtil.find_line(this.remoteSDP.media[i], 'a=ice-ufrag:', this.remoteSDP.session)) {
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if (SDPUtil.find_line(pranswer.media[i], 'a=ice-ufrag:', pranswer.session)) {
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this.remoteSDP.media[i] += SDPUtil.find_line(pranswer.media[i], 'a=ice-ufrag:', pranswer.session) + '\r\n';
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} else {
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console.warn('no ice ufrag?');
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}
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if (SDPUtil.find_line(pranswer.media[i], 'a=ice-pwd:', pranswer.session)) {
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this.remoteSDP.media[i] += SDPUtil.find_line(pranswer.media[i], 'a=ice-pwd:', pranswer.session) + '\r\n';
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} else {
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console.warn('no ice pwd?');
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}
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}
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// copy over candidates
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var lines = SDPUtil.find_lines(pranswer.media[i], 'a=candidate:');
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for (var j = 0; j < lines.length; j++) {
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this.remoteSDP.media[i] += lines[j] + '\r\n';
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}
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}
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this.remoteSDP.raw = this.remoteSDP.session + this.remoteSDP.media.join('');
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}
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}
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var remotedesc = new RTCSessionDescription({type: desctype, sdp: this.remoteSDP.raw});
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this.peerconnection.setRemoteDescription(remotedesc,
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function () {
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//console.log('setRemoteDescription success');
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},
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function (e) {
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console.error('setRemoteDescription error', e);
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}
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);
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};
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JingleSession.prototype.addIceCandidate = function (elem) {
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var self = this;
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if (this.peerconnection.signalingState == 'closed') {
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return;
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}
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if (!this.peerconnection.remoteDescription && this.peerconnection.signalingState == 'have-local-offer') {
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console.log('trickle ice candidate arriving before session accept...');
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// create a PRANSWER for setRemoteDescription
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if (!this.remoteSDP) {
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var cobbled = 'v=0\r\n' +
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'o=- ' + '1923518516' + ' 2 IN IP4 0.0.0.0\r\n' +// FIXME
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's=-\r\n' +
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't=0 0\r\n';
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// first, take some things from the local description
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for (var i = 0; i < this.localSDP.media.length; i++) {
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cobbled += SDPUtil.find_line(this.localSDP.media[i], 'm=') + '\r\n';
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cobbled += SDPUtil.find_lines(this.localSDP.media[i], 'a=rtpmap:').join('\r\n') + '\r\n';
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if (SDPUtil.find_line(this.localSDP.media[i], 'a=mid:')) {
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cobbled += SDPUtil.find_line(this.localSDP.media[i], 'a=mid:') + '\r\n';
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}
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cobbled += 'a=inactive\r\n';
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}
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this.remoteSDP = new SDP(cobbled);
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}
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// then add things like ice and dtls from remote candidate
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elem.each(function () {
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for (var i = 0; i < self.remoteSDP.media.length; i++) {
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if (SDPUtil.find_line(self.remoteSDP.media[i], 'a=mid:' + $(this).attr('name')) ||
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self.remoteSDP.media[i].indexOf('m=' + $(this).attr('name')) === 0) {
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|
if (!SDPUtil.find_line(self.remoteSDP.media[i], 'a=ice-ufrag:')) {
|
|
var tmp = $(this).find('transport');
|
|
self.remoteSDP.media[i] += 'a=ice-ufrag:' + tmp.attr('ufrag') + '\r\n';
|
|
self.remoteSDP.media[i] += 'a=ice-pwd:' + tmp.attr('pwd') + '\r\n';
|
|
tmp = $(this).find('transport>fingerprint');
|
|
if (tmp.length) {
|
|
self.remoteSDP.media[i] += 'a=fingerprint:' + tmp.attr('hash') + ' ' + tmp.text() + '\r\n';
|
|
} else {
|
|
console.log('no dtls fingerprint (webrtc issue #1718?)');
|
|
self.remoteSDP.media[i] += 'a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:BAADBAADBAADBAADBAADBAADBAADBAADBAADBAAD\r\n';
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
});
|
|
this.remoteSDP.raw = this.remoteSDP.session + this.remoteSDP.media.join('');
|
|
|
|
// we need a complete SDP with ice-ufrag/ice-pwd in all parts
|
|
// this makes the assumption that the PRANSWER is constructed such that the ice-ufrag is in all mediaparts
|
|
// but it could be in the session part as well. since the code above constructs this sdp this can't happen however
|
|
var iscomplete = this.remoteSDP.media.filter(function (mediapart) {
|
|
return SDPUtil.find_line(mediapart, 'a=ice-ufrag:');
|
|
}).length == this.remoteSDP.media.length;
|
|
|
|
if (iscomplete) {
|
|
console.log('setting pranswer');
|
|
try {
|
|
this.peerconnection.setRemoteDescription(new RTCSessionDescription({type: 'pranswer', sdp: this.remoteSDP.raw }),
|
|
function() {
|
|
},
|
|
function(e) {
|
|
console.log('setRemoteDescription pranswer failed', e.toString());
|
|
});
|
|
} catch (e) {
|
|
console.error('setting pranswer failed', e);
|
|
}
|
|
} else {
|
|
//console.log('not yet setting pranswer');
|
|
}
|
|
}
|
|
// operate on each content element
|
|
elem.each(function () {
|
|
// would love to deactivate this, but firefox still requires it
|
|
var idx = -1;
|
|
var i;
|
|
for (i = 0; i < self.remoteSDP.media.length; i++) {
|
|
if (SDPUtil.find_line(self.remoteSDP.media[i], 'a=mid:' + $(this).attr('name')) ||
|
|
self.remoteSDP.media[i].indexOf('m=' + $(this).attr('name')) === 0) {
|
|
idx = i;
|
|
break;
|
|
}
|
|
}
|
|
if (idx == -1) { // fall back to localdescription
|
|
for (i = 0; i < self.localSDP.media.length; i++) {
|
|
if (SDPUtil.find_line(self.localSDP.media[i], 'a=mid:' + $(this).attr('name')) ||
|
|
self.localSDP.media[i].indexOf('m=' + $(this).attr('name')) === 0) {
|
|
idx = i;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
var name = $(this).attr('name');
|
|
// TODO: check ice-pwd and ice-ufrag?
|
|
$(this).find('transport>candidate').each(function () {
|
|
var line, candidate;
|
|
line = SDPUtil.candidateFromJingle(this);
|
|
candidate = new RTCIceCandidate({sdpMLineIndex: idx,
|
|
sdpMid: name,
|
|
candidate: line});
|
|
try {
|
|
self.peerconnection.addIceCandidate(candidate);
|
|
} catch (e) {
|
|
console.error('addIceCandidate failed', e.toString(), line);
|
|
}
|
|
});
|
|
});
|
|
};
|
|
|
|
JingleSession.prototype.sendAnswer = function (provisional) {
|
|
//console.log('createAnswer', provisional);
|
|
var self = this;
|
|
this.peerconnection.createAnswer(
|
|
function (sdp) {
|
|
self.createdAnswer(sdp, provisional);
|
|
},
|
|
function (e) {
|
|
console.error('createAnswer failed', e);
|
|
},
|
|
this.media_constraints
|
|
);
|
|
};
|
|
|
|
JingleSession.prototype.createdAnswer = function (sdp, provisional) {
|
|
//console.log('createAnswer callback');
|
|
var self = this;
|
|
this.localSDP = new SDP(sdp.sdp);
|
|
//this.localSDP.mangle();
|
|
this.usepranswer = provisional === true;
|
|
if (this.usetrickle) {
|
|
if (!this.usepranswer) {
|
|
var accept = $iq({to: this.peerjid,
|
|
type: 'set'})
|
|
.c('jingle', {xmlns: 'urn:xmpp:jingle:1',
|
|
action: 'session-accept',
|
|
initiator: this.initiator,
|
|
responder: this.responder,
|
|
sid: this.sid });
|
|
this.localSDP.toJingle(accept, this.initiator == this.me ? 'initiator' : 'responder');
|
|
this.connection.sendIQ(accept,
|
|
function () {
|
|
var ack = {};
|
|
ack.source = 'answer';
|
|
$(document).trigger('ack.jingle', [self.sid, ack]);
|
|
},
|
|
function (stanza) {
|
|
var error = ($(stanza).find('error').length) ? {
|
|
code: $(stanza).find('error').attr('code'),
|
|
reason: $(stanza).find('error :first')[0].tagName,
|
|
}:{};
|
|
error.source = 'answer';
|
|
$(document).trigger('error.jingle', [self.sid, error]);
|
|
},
|
|
10000);
|
|
} else {
|
|
sdp.type = 'pranswer';
|
|
for (var i = 0; i < this.localSDP.media.length; i++) {
|
|
this.localSDP.media[i] = this.localSDP.media[i].replace('a=sendrecv\r\n', 'a=inactive\r\n');
|
|
}
|
|
this.localSDP.raw = this.localSDP.session + '\r\n' + this.localSDP.media.join('');
|
|
}
|
|
}
|
|
sdp.sdp = this.localSDP.raw;
|
|
this.peerconnection.setLocalDescription(sdp,
|
|
function () {
|
|
$(document).trigger('setLocalDescription.jingle', [self.sid]);
|
|
//console.log('setLocalDescription success');
|
|
},
|
|
function (e) {
|
|
console.error('setLocalDescription failed', e);
|
|
}
|
|
);
|
|
var cands = SDPUtil.find_lines(this.localSDP.raw, 'a=candidate:');
|
|
for (var j = 0; j < cands.length; j++) {
|
|
var cand = SDPUtil.parse_icecandidate(cands[j]);
|
|
if (cand.type == 'srflx') {
|
|
this.hadstuncandidate = true;
|
|
} else if (cand.type == 'relay') {
|
|
this.hadturncandidate = true;
|
|
}
|
|
}
|
|
};
|
|
|
|
JingleSession.prototype.sendTerminate = function (reason, text) {
|
|
var self = this,
|
|
term = $iq({to: this.peerjid,
|
|
type: 'set'})
|
|
.c('jingle', {xmlns: 'urn:xmpp:jingle:1',
|
|
action: 'session-terminate',
|
|
initiator: this.initiator,
|
|
sid: this.sid})
|
|
.c('reason')
|
|
.c(reason || 'success');
|
|
|
|
if (text) {
|
|
term.up().c('text').t(text);
|
|
}
|
|
|
|
this.connection.sendIQ(term,
|
|
function () {
|
|
self.peerconnection.close();
|
|
self.peerconnection = null;
|
|
self.terminate();
|
|
var ack = {};
|
|
ack.source = 'terminate';
|
|
$(document).trigger('ack.jingle', [self.sid, ack]);
|
|
},
|
|
function (stanza) {
|
|
var error = ($(stanza).find('error').length) ? {
|
|
code: $(stanza).find('error').attr('code'),
|
|
reason: $(stanza).find('error :first')[0].tagName,
|
|
}:{};
|
|
$(document).trigger('ack.jingle', [self.sid, error]);
|
|
},
|
|
10000);
|
|
if (this.statsinterval !== null) {
|
|
window.clearInterval(this.statsinterval);
|
|
this.statsinterval = null;
|
|
}
|
|
};
|
|
|
|
JingleSession.prototype.sendMute = function (muted, content) {
|
|
var info = $iq({to: this.peerjid,
|
|
type: 'set'})
|
|
.c('jingle', {xmlns: 'urn:xmpp:jingle:1',
|
|
action: 'session-info',
|
|
initiator: this.initiator,
|
|
sid: this.sid });
|
|
info.c(muted ? 'mute' : 'unmute', {xmlns: 'urn:xmpp:jingle:apps:rtp:info:1'});
|
|
info.attrs({'creator': this.me == this.initiator ? 'creator' : 'responder'});
|
|
if (content) {
|
|
info.attrs({'name': content});
|
|
}
|
|
this.connection.send(info);
|
|
};
|
|
|
|
JingleSession.prototype.sendRinging = function () {
|
|
var info = $iq({to: this.peerjid,
|
|
type: 'set'})
|
|
.c('jingle', {xmlns: 'urn:xmpp:jingle:1',
|
|
action: 'session-info',
|
|
initiator: this.initiator,
|
|
sid: this.sid });
|
|
info.c('ringing', {xmlns: 'urn:xmpp:jingle:apps:rtp:info:1'});
|
|
this.connection.send(info);
|
|
};
|
|
|
|
JingleSession.prototype.getStats = function (interval) {
|
|
var self = this;
|
|
var recv = {audio: 0, video: 0};
|
|
var lost = {audio: 0, video: 0};
|
|
var lastrecv = {audio: 0, video: 0};
|
|
var lastlost = {audio: 0, video: 0};
|
|
var loss = {audio: 0, video: 0};
|
|
var delta = {audio: 0, video: 0};
|
|
this.statsinterval = window.setInterval(function () {
|
|
if (self && self.peerconnection && self.peerconnection.getStats) {
|
|
self.peerconnection.getStats(function (stats) {
|
|
var results = stats.result();
|
|
// TODO: there are so much statistics you can get from this..
|
|
for (var i = 0; i < results.length; ++i) {
|
|
if (results[i].type == 'ssrc') {
|
|
var packetsrecv = results[i].stat('packetsReceived');
|
|
var packetslost = results[i].stat('packetsLost');
|
|
if (packetsrecv && packetslost) {
|
|
packetsrecv = parseInt(packetsrecv, 10);
|
|
packetslost = parseInt(packetslost, 10);
|
|
|
|
if (results[i].stat('googFrameRateReceived')) {
|
|
lastlost.video = lost.video;
|
|
lastrecv.video = recv.video;
|
|
recv.video = packetsrecv;
|
|
lost.video = packetslost;
|
|
} else {
|
|
lastlost.audio = lost.audio;
|
|
lastrecv.audio = recv.audio;
|
|
recv.audio = packetsrecv;
|
|
lost.audio = packetslost;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
delta.audio = recv.audio - lastrecv.audio;
|
|
delta.video = recv.video - lastrecv.video;
|
|
loss.audio = (delta.audio > 0) ? Math.ceil(100 * (lost.audio - lastlost.audio) / delta.audio) : 0;
|
|
loss.video = (delta.video > 0) ? Math.ceil(100 * (lost.video - lastlost.video) / delta.video) : 0;
|
|
$(document).trigger('packetloss.jingle', [self.sid, loss]);
|
|
});
|
|
}
|
|
}, interval || 3000);
|
|
return this.statsinterval;
|
|
};
|