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Splits strophe and colibri libs into separate scripts.

master
paweldomas 11 年前
父节点
7ac2bad8e1
当前提交
3c7de1a79d
共有 9 个文件被更改，包括 2436 次插入 和 2397 次删除
分列视图 显示文件统计
  1. 7
    2
      index.html
  2. 39
    91
      libs/colibri/colibri.focus.js
  3. 86
    0
      libs/colibri/colibri.session.js
  4. 381
    0
      libs/strophe/strophe.jingle.adapter.js
  5. 4
    0
      libs/strophe/strophe.jingle.bundle.js
  6. 260
    0
      libs/strophe/strophe.jingle.js
  7. 801
    0
      libs/strophe/strophe.jingle.sdp.js
  8. 858
    0
      libs/strophe/strophe.jingle.session.js
  9. 0
    2304
      libs/strophejingle.bundle.js

+ 7
- 2
index.html 查看文件 

@@ -2,8 +2,13 @@
2 2 
   <head>
3 3 
     <title>WebRTC, meet the Jitsi Videobridge</title>
4 4 
     <script src="//ajax.googleapis.com/ajax/libs/jquery/2.0.3/jquery.min.js"></script>
5 
-    <script src="libs/strophejingle.bundle.js?v=7"></script><!-- strophe.jingle bundle -->
6 
-    <script src="libs/colibri.js?v=7"></script><!-- colibri focus implementation -->
5 
+    <script src="libs/strophe/strophe.jingle.adapter.js?v=1"></script><!-- strophe.jingle bundles -->
6 
+    <script src="libs/strophe/strophe.jingle.bundle.js?v=8"></script>
7 
+    <script src="libs/strophe/strophe.jingle.js?v=1"></script>
8 
+    <script src="libs/strophe/strophe.jingle.sdp.js?v=1"></script>
9 
+    <script src="libs/strophe/strophe.jingle.session.js?v=1"></script>
10 
+    <script src="libs/colibri/colibri.focus.js?v=8"></script><!-- colibri focus implementation -->
11 
+    <script src="libs/colibri/colibri.session.js?v=1"></script>
7 12 
     <script src="//code.jquery.com/ui/1.10.4/jquery-ui.js"></script>
8 13 
     <script src="muc.js?v=9"></script><!-- simple MUC library -->
9 14 
     <script src="estos_log.js?v=2"></script><!-- simple stanza logger -->

libs/colibri.js → libs/colibri/colibri.focus.js 查看文件 

@@ -1,4 +1,4 @@
1 
-/* colibri.js -- a COLIBRI focus
1 
+/* colibri.js -- a COLIBRI focus
2 2 
  * The colibri spec has been submitted to the XMPP Standards Foundation
3 3 
  * for publications as a XMPP extensions:
4 4 
  * http://xmpp.org/extensions/inbox/colibri.html
 
@@ -7,32 +7,32 @@
7 7 
  * in the conference. The conference itself can be ad-hoc, through a
8 8 
  * MUC, through PubSub, etc.
9 9 
  *
10 
- * colibri.js relies heavily on the strophe.jingle library available
10 
+ * colibri.js relies heavily on the strophe.jingle library available
11 11 
  * from https://github.com/ESTOS/strophe.jingle
12 12 
  * and interoperates with the Jitsi videobridge available from
13 13 
  * https://jitsi.org/Projects/JitsiVideobridge
14 14 
  */
15 15 
 /*
16 
-Copyright (c) 2013 ESTOS GmbH
17 
-
18 
-Permission is hereby granted, free of charge, to any person obtaining a copy
19 
-of this software and associated documentation files (the "Software"), to deal
20 
-in the Software without restriction, including without limitation the rights
21 
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
22 
-copies of the Software, and to permit persons to whom the Software is
23 
-furnished to do so, subject to the following conditions:
24 
-
25 
-The above copyright notice and this permission notice shall be included in
26 
-all copies or substantial portions of the Software.
27 
-
28 
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
29 
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
30 
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
31 
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
32 
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
33 
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
34 
-THE SOFTWARE.
35 
-*/
16 
+ Copyright (c) 2013 ESTOS GmbH
17 
+
18 
+ Permission is hereby granted, free of charge, to any person obtaining a copy
19 
+ of this software and associated documentation files (the "Software"), to deal
20 
+ in the Software without restriction, including without limitation the rights
21 
+ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
22 
+ copies of the Software, and to permit persons to whom the Software is
23 
+ furnished to do so, subject to the following conditions:
24 
+
25 
+ The above copyright notice and this permission notice shall be included in
26 
+ all copies or substantial portions of the Software.
27 
+
28 
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
29 
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
30 
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
31 
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
32 
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
33 
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
34 
+ THE SOFTWARE.
35 
+ */
36 36 
 /* jshint -W117 */
37 37 
 function ColibriFocus(connection, bridgejid) {
38 38 
     this.connection = connection;
 
@@ -86,20 +86,20 @@ ColibriFocus.prototype.makeConference = function (peers) {
86 86 
     this.peerconnection.oniceconnectionstatechange = function (event) {
87 87 
         console.warn('ice connection state changed to', self.peerconnection.iceConnectionState);
88 88 
         /*
89 
-        if (self.peerconnection.signalingState == 'stable' && self.peerconnection.iceConnectionState == 'connected') {
90 
-            console.log('adding new remote SSRCs from iceconnectionstatechange');
91 
-            window.setTimeout(function() { self.modifySources(); }, 1000);
92 
-        }
93 
-        */
89 
+         if (self.peerconnection.signalingState == 'stable' && self.peerconnection.iceConnectionState == 'connected') {
90 
+         console.log('adding new remote SSRCs from iceconnectionstatechange');
91 
+         window.setTimeout(function() { self.modifySources(); }, 1000);
92 
+         }
93 
+         */
94 94 
     };
95 95 
     this.peerconnection.onsignalingstatechange = function (event) {
96 96 
         console.warn(self.peerconnection.signalingState);
97 97 
         /*
98 
-        if (self.peerconnection.signalingState == 'stable' && self.peerconnection.iceConnectionState == 'connected') {
99 
-            console.log('adding new remote SSRCs from signalingstatechange');
100 
-            window.setTimeout(function() { self.modifySources(); }, 1000);
101 
-        }
102 
-        */
98 
+         if (self.peerconnection.signalingState == 'stable' && self.peerconnection.iceConnectionState == 'connected') {
99 
+         console.log('adding new remote SSRCs from signalingstatechange');
100 
+         window.setTimeout(function() { self.modifySources(); }, 1000);
101 
+         }
102 
+         */
103 103 
     };
104 104 
     this.peerconnection.onaddstream = function (event) {
105 105 
         self.remoteStream = event.stream;
 
@@ -163,7 +163,7 @@ ColibriFocus.prototype._makeConference = function () {
163 163 
     /*
164 164 
     var localSDP = new SDP(this.peerconnection.localDescription.sdp);
165 165 
     localSDP.media.forEach(function (media, channel) {
166 
-        var name = SDPUtil.parse_mline(media.split('\r\n')[0]).media;
166 
+        var name = SDPUtil.parse_mline(media.split('\r\n')[0]).media;
167 167 
         elem.c('content', {name: name});
168 168 
         elem.c('channel', {initiator: 'false', expire: '15'});
169 169 
 
@@ -303,10 +303,10 @@ ColibriFocus.prototype.createdConference = function (result) {
303 303 
                             elem.c('conference', {xmlns: 'http://jitsi.org/protocol/colibri', id: self.confid});
304 304 
                             var localSDP = new SDP(self.peerconnection.localDescription.sdp);
305 305 
                             localSDP.media.forEach(function (media, channel) {
306 
-                                var name = SDPUtil.parse_mline(media.split('\r\n')[0]).media;
306 
+                                var name = SDPUtil.parse_mline(media.split('\r\n')[0]).media;
307 307 
                                 elem.c('content', {name: name});
308 308 
                                 elem.c('channel', {
309 
-                                    initiator: 'true',
309 
+                                    initiator: 'true',
310 310 
                                     expire: '15',
311 311 
                                     id: self.mychannel[channel].attr('id')
312 312 
                                 });
 
@@ -495,7 +495,7 @@ ColibriFocus.prototype.addNewParticipant = function (peer) {
495 495 
     elem.c('conference', {xmlns: 'http://jitsi.org/protocol/colibri', id: this.confid});
496 496 
     var localSDP = new SDP(this.peerconnection.localDescription.sdp);
497 497 
     localSDP.media.forEach(function (media, channel) {
498 
-        var name = SDPUtil.parse_mline(media.split('\r\n')[0]).media;
498 
+        var name = SDPUtil.parse_mline(media.split('\r\n')[0]).media;
499 499 
         elem.c('content', {name: name});
500 500 
         elem.c('channel', {initiator: 'true', expire:'15'});
501 501 
         elem.up(); // end of channel
 
@@ -531,7 +531,7 @@ ColibriFocus.prototype.updateChannel = function (remoteSDP, participant) {
531 531 
             // TODO: too much copy-paste
532 532 
             var rtpmap = SDPUtil.parse_rtpmap(val);
533 533 
             change.c('payload-type', rtpmap);
534 
-            //
534 
+            //
535 535 
             // put any 'a=fmtp:' + mline.fmt[j] lines into <param name=foo value=bar/>
536 536 
             /*
537 537 
             if (SDPUtil.find_line(remoteSDP.media[channel], 'a=fmtp:' + rtpmap.id)) {
 
@@ -582,7 +582,7 @@ ColibriFocus.prototype.sendSSRCUpdate = function (sdp, jid, isadd) {
582 582 
                 sid: peersess.sid
583 583 
             }
584 584 
         );
585 
-        // FIXME: only announce video ssrcs since we mix audio and dont need
585 
+        // FIXME: only announce video ssrcs since we mix audio and dont need
586 586 
         //      the audio ssrcs therefore
587 587 
         var modified = false;
588 588 
         for (channel = 0; channel < sdp.media.length; channel++) {
 
@@ -867,7 +867,7 @@ ColibriFocus.prototype.modifySources = function () {
867 867 
                         self.pendingop = null;
868 868 
                     }
869 869
870 
-                    // FIXME: pushing down an answer while ice connection state
870 
+                    // FIXME: pushing down an answer while ice connection state
871 871 
                     // is still checking is bad...
872 872 
                     //console.log(self.peerconnection.iceConnectionState);
873 873 
 
@@ -931,55 +931,3 @@ ColibriFocus.prototype.hardMuteVideo = function (muted) {
931 931 
         track.enabled = !muted;
932 932 
     });
933 933 
 };
934 
-
935 
-// A colibri session is similar to a jingle session, it just implements some things differently
936 
-// FIXME: inherit jinglesession, see https://github.com/legastero/Jingle-RTCPeerConnection/blob/master/index.js
937 
-function ColibriSession(me, sid, connection) {
938 
-    this.me = me;
939 
-    this.sid = sid;
940 
-    this.connection = connection;
941 
-    //this.peerconnection = null;
942 
-    //this.mychannel = null;
943 
-    //this.channels = null;
944 
-    this.peerjid = null;
945 
-
946 
-    this.colibri = null;
947 
-}
948 
-
949 
-// implementation of JingleSession interface
950 
-ColibriSession.prototype.initiate = function (peerjid, isInitiator) {
951 
-    this.peerjid = peerjid;
952 
-};
953 
-
954 
-ColibriSession.prototype.sendOffer = function (offer) {
955 
-    console.log('ColibriSession.sendOffer');
956 
-};
957 
-
958 
-
959 
-ColibriSession.prototype.accept = function () {
960 
-    console.log('ColibriSession.accept');
961 
-};
962 
-
963 
-ColibriSession.prototype.terminate = function (reason) {
964 
-    this.colibri.terminate(this, reason);
965 
-};
966 
-
967 
-ColibriSession.prototype.active = function () {
968 
-    console.log('ColibriSession.active');
969 
-};
970 
-
971 
-ColibriSession.prototype.setRemoteDescription = function (elem, desctype) {
972 
-    this.colibri.setRemoteDescription(this, elem, desctype);
973 
-};
974 
-
975 
-ColibriSession.prototype.addIceCandidate = function (elem) {
976 
-    this.colibri.addIceCandidate(this, elem);
977 
-};
978 
-
979 
-ColibriSession.prototype.sendAnswer = function (sdp, provisional) {
980 
-    console.log('ColibriSession.sendAnswer');
981 
-};
982 
-
983 
-ColibriSession.prototype.sendTerminate = function (reason, text) {
984 
-    console.log('ColibriSession.sendTerminate');
985 
-};

+ 86
- 0
libs/colibri/colibri.session.js 查看文件 

@@ -0,0 +1,86 @@
1 
+/* colibri.js -- a COLIBRI focus
2 
+ * The colibri spec has been submitted to the XMPP Standards Foundation
3 
+ * for publications as a XMPP extensions:
4 
+ * http://xmpp.org/extensions/inbox/colibri.html
5 
+ *
6 
+ * colibri.js is a participating focus, i.e. the focus participates
7 
+ * in the conference. The conference itself can be ad-hoc, through a
8 
+ * MUC, through PubSub, etc.
9 
+ *
10 
+ * colibri.js relies heavily on the strophe.jingle library available
11 
+ * from https://github.com/ESTOS/strophe.jingle
12 
+ * and interoperates with the Jitsi videobridge available from
13 
+ * https://jitsi.org/Projects/JitsiVideobridge
14 
+ */
15 
+/*
16 
+Copyright (c) 2013 ESTOS GmbH
17 
+
18 
+Permission is hereby granted, free of charge, to any person obtaining a copy
19 
+of this software and associated documentation files (the "Software"), to deal
20 
+in the Software without restriction, including without limitation the rights
21 
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
22 
+copies of the Software, and to permit persons to whom the Software is
23 
+furnished to do so, subject to the following conditions:
24 
+
25 
+The above copyright notice and this permission notice shall be included in
26 
+all copies or substantial portions of the Software.
27 
+
28 
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
29 
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
30 
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
31 
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
32 
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
33 
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
34 
+THE SOFTWARE.
35 
+*/
36 
+// A colibri session is similar to a jingle session, it just implements some things differently
37 
+// FIXME: inherit jinglesession, see https://github.com/legastero/Jingle-RTCPeerConnection/blob/master/index.js
38 
+function ColibriSession(me, sid, connection) {
39 
+    this.me = me;
40 
+    this.sid = sid;
41 
+    this.connection = connection;
42 
+    //this.peerconnection = null;
43 
+    //this.mychannel = null;
44 
+    //this.channels = null;
45 
+    this.peerjid = null;
46 
+
47 
+    this.colibri = null;
48 
+}
49 
+
50 
+// implementation of JingleSession interface
51 
+ColibriSession.prototype.initiate = function (peerjid, isInitiator) {
52 
+    this.peerjid = peerjid;
53 
+};
54 
+
55 
+ColibriSession.prototype.sendOffer = function (offer) {
56 
+    console.log('ColibriSession.sendOffer');
57 
+};
58 
+
59 
+
60 
+ColibriSession.prototype.accept = function () {
61 
+    console.log('ColibriSession.accept');
62 
+};
63 
+
64 
+ColibriSession.prototype.terminate = function (reason) {
65 
+    this.colibri.terminate(this, reason);
66 
+};
67 
+
68 
+ColibriSession.prototype.active = function () {
69 
+    console.log('ColibriSession.active');
70 
+};
71 
+
72 
+ColibriSession.prototype.setRemoteDescription = function (elem, desctype) {
73 
+    this.colibri.setRemoteDescription(this, elem, desctype);
74 
+};
75 
+
76 
+ColibriSession.prototype.addIceCandidate = function (elem) {
77 
+    this.colibri.addIceCandidate(this, elem);
78 
+};
79 
+
80 
+ColibriSession.prototype.sendAnswer = function (sdp, provisional) {
81 
+    console.log('ColibriSession.sendAnswer');
82 
+};
83 
+
84 
+ColibriSession.prototype.sendTerminate = function (reason, text) {
85 
+    console.log('ColibriSession.sendTerminate');
86 
+};

+ 381
- 0
libs/strophe/strophe.jingle.adapter.js 查看文件 

@@ -0,0 +1,381 @@
1 
+function TraceablePeerConnection(ice_config, constraints) {
2 
+    var self = this;
3 
+    var RTCPeerconnection = navigator.mozGetUserMedia ? mozRTCPeerConnection : webkitRTCPeerConnection;
4 
+    this.peerconnection = new RTCPeerconnection(ice_config, constraints);
5 
+    this.updateLog = [];
6 
+    this.stats = {};
7 
+    this.statsinterval = null;
8 
+    this.maxstats = 300; // limit to 300 values, i.e. 5 minutes; set to 0 to disable
9 
+
10 
+    // override as desired
11 
+    this.trace = function(what, info) {
12 
+        //console.warn('WTRACE', what, info);
13 
+        self.updateLog.push({
14 
+            time: new Date(),
15 
+            type: what,
16 
+            value: info || ""
17 
+        });
18 
+    };
19 
+    this.onicecandidate = null;
20 
+    this.peerconnection.onicecandidate = function (event) {
21 
+        self.trace('onicecandidate', JSON.stringify(event.candidate, null, ' '));
22 
+        if (self.onicecandidate !== null) {
23 
+            self.onicecandidate(event);
24 
+        }
25 
+    };
26 
+    this.onaddstream = null;
27 
+    this.peerconnection.onaddstream = function (event) {
28 
+        self.trace('onaddstream', event.stream.id);
29 
+        if (self.onaddstream !== null) {
30 
+            self.onaddstream(event);
31 
+        }
32 
+    };
33 
+    this.onremovestream = null;
34 
+    this.peerconnection.onremovestream = function (event) {
35 
+        self.trace('onremovestream', event.stream.id);
36 
+        if (self.onremovestream !== null) {
37 
+            self.onremovestream(event);
38 
+        }
39 
+    };
40 
+    this.onsignalingstatechange = null;
41 
+    this.peerconnection.onsignalingstatechange = function (event) {
42 
+        self.trace('onsignalingstatechange', event.srcElement.signalingState);
43 
+        if (self.onsignalingstatechange !== null) {
44 
+            self.onsignalingstatechange(event);
45 
+        }
46 
+    };
47 
+    this.oniceconnectionstatechange = null;
48 
+    this.peerconnection.oniceconnectionstatechange = function (event) {
49 
+        self.trace('oniceconnectionstatechange', event.srcElement.iceConnectionState);
50 
+        if (self.oniceconnectionstatechange !== null) {
51 
+            self.oniceconnectionstatechange(event);
52 
+        }
53 
+    };
54 
+    this.onnegotiationneeded = null;
55 
+    this.peerconnection.onnegotiationneeded = function (event) {
56 
+        self.trace('onnegotiationneeded');
57 
+        if (self.onnegotiationneeded !== null) {
58 
+            self.onnegotiationneeded(event);
59 
+        }
60 
+    };
61 
+    self.ondatachannel = null;
62 
+    this.peerconnection.ondatachannel = function (event) {
63 
+        self.trace('ondatachannel', event);
64 
+        if (self.ondatachannel !== null) {
65 
+            self.ondatachannel(event);
66 
+        }
67 
+    }
68 
+    if (!navigator.mozGetUserMedia) {
69 
+        this.statsinterval = window.setInterval(function() {
70 
+            self.peerconnection.getStats(function(stats) {
71 
+                var results = stats.result();
72 
+                for (var i = 0; i < results.length; ++i) {
73 
+                    //console.log(results[i].type, results[i].id, results[i].names())
74 
+                    var now = new Date();
75 
+                    results[i].names().forEach(function (name) {
76 
+                        var id = results[i].id + '-' + name;
77 
+                        if (!self.stats[id]) {
78 
+                            self.stats[id] = {
79 
+                                startTime: now,
80 
+                                endTime: now,
81 
+                                values: [],
82 
+                                times: []
83 
+                            };
84 
+                        }
85 
+                        self.stats[id].values.push(results[i].stat(name));
86 
+                        self.stats[id].times.push(now.getTime());
87 
+                        if (self.stats[id].values.length > self.maxstats) {
88 
+                            self.stats[id].values.shift();
89 
+                            self.stats[id].times.shift();
90 
+                        }
91 
+                        self.stats[id].endTime = now;
92 
+                    });
93 
+                }
94 
+            });
95 
+
96 
+        }, 1000);
97 
+    }
98 
+};
99 
+
100 
+dumpSDP = function(description) {
101 
+    return 'type: ' + description.type + '\r\n' + description.sdp;
102 
+}
103 
+
104 
+if (TraceablePeerConnection.prototype.__defineGetter__ !== undefined) {
105 
+    TraceablePeerConnection.prototype.__defineGetter__('signalingState', function() { return this.peerconnection.signalingState; });
106 
+    TraceablePeerConnection.prototype.__defineGetter__('iceConnectionState', function() { return this.peerconnection.iceConnectionState; });
107 
+    TraceablePeerConnection.prototype.__defineGetter__('localDescription', function() { return this.peerconnection.localDescription; });
108 
+    TraceablePeerConnection.prototype.__defineGetter__('remoteDescription', function() { return this.peerconnection.remoteDescription; });
109 
+}
110 
+
111 
+TraceablePeerConnection.prototype.addStream = function (stream) {
112 
+    this.trace('addStream', stream.id);
113 
+    this.peerconnection.addStream(stream);
114 
+};
115 
+
116 
+TraceablePeerConnection.prototype.removeStream = function (stream) {
117 
+    this.trace('removeStream', stream.id);
118 
+    this.peerconnection.removeStream(stream);
119 
+};
120 
+
121 
+TraceablePeerConnection.prototype.createDataChannel = function (label, opts) {
122 
+    this.trace('createDataChannel', label, opts);
123 
+    this.peerconnection.createDataChannel(label, opts);
124 
+}
125 
+
126 
+TraceablePeerConnection.prototype.setLocalDescription = function (description, successCallback, failureCallback) {
127 
+    var self = this;
128 
+    this.trace('setLocalDescription', dumpSDP(description));
129 
+    this.peerconnection.setLocalDescription(description,
130 
+        function () {
131 
+            self.trace('setLocalDescriptionOnSuccess');
132 
+            successCallback();
133 
+        },
134 
+        function (err) {
135 
+            self.trace('setLocalDescriptionOnFailure', err);
136 
+            failureCallback(err);
137 
+        }
138 
+    );
139 
+    /*
140 
+     if (this.statsinterval === null && this.maxstats > 0) {
141 
+     // start gathering stats
142 
+     }
143 
+     */
144 
+};
145 
+
146 
+TraceablePeerConnection.prototype.setRemoteDescription = function (description, successCallback, failureCallback) {
147 
+    var self = this;
148 
+    this.trace('setRemoteDescription', dumpSDP(description));
149 
+    this.peerconnection.setRemoteDescription(description,
150 
+        function () {
151 
+            self.trace('setRemoteDescriptionOnSuccess');
152 
+            successCallback();
153 
+        },
154 
+        function (err) {
155 
+            self.trace('setRemoteDescriptionOnFailure', err);
156 
+            failureCallback(err);
157 
+        }
158 
+    );
159 
+    /*
160 
+     if (this.statsinterval === null && this.maxstats > 0) {
161 
+     // start gathering stats
162 
+     }
163 
+     */
164 
+};
165 
+
166 
+TraceablePeerConnection.prototype.close = function () {
167 
+    this.trace('stop');
168 
+    if (this.statsinterval !== null) {
169 
+        window.clearInterval(this.statsinterval);
170 
+        this.statsinterval = null;
171 
+    }
172 
+    this.peerconnection.close();
173 
+};
174 
+
175 
+TraceablePeerConnection.prototype.createOffer = function (successCallback, failureCallback, constraints) {
176 
+    var self = this;
177 
+    this.trace('createOffer', JSON.stringify(constraints, null, ' '));
178 
+    this.peerconnection.createOffer(
179 
+        function (offer) {
180 
+            self.trace('createOfferOnSuccess', dumpSDP(offer));
181 
+            successCallback(offer);
182 
+        },
183 
+        function(err) {
184 
+            self.trace('createOfferOnFailure', err);
185 
+            failureCallback(err);
186 
+        },
187 
+        constraints
188 
+    );
189 
+};
190 
+
191 
+TraceablePeerConnection.prototype.createAnswer = function (successCallback, failureCallback, constraints) {
192 
+    var self = this;
193 
+    this.trace('createAnswer', JSON.stringify(constraints, null, ' '));
194 
+    this.peerconnection.createAnswer(
195 
+        function (answer) {
196 
+            self.trace('createAnswerOnSuccess', dumpSDP(answer));
197 
+            successCallback(answer);
198 
+        },
199 
+        function(err) {
200 
+            self.trace('createAnswerOnFailure', err);
201 
+            failureCallback(err);
202 
+        },
203 
+        constraints
204 
+    );
205 
+};
206 
+
207 
+TraceablePeerConnection.prototype.addIceCandidate = function (candidate, successCallback, failureCallback) {
208 
+    var self = this;
209 
+    this.trace('addIceCandidate', JSON.stringify(candidate, null, ' '));
210 
+    this.peerconnection.addIceCandidate(candidate);
211 
+    /* maybe later
212 
+     this.peerconnection.addIceCandidate(candidate,
213 
+     function () {
214 
+     self.trace('addIceCandidateOnSuccess');
215 
+     successCallback();
216 
+     },
217 
+     function (err) {
218 
+     self.trace('addIceCandidateOnFailure', err);
219 
+     failureCallback(err);
220 
+     }
221 
+     );
222 
+     */
223 
+};
224 
+
225 
+TraceablePeerConnection.prototype.getStats = function(callback, errback) {
226 
+    if (navigator.mozGetUserMedia) {
227 
+        // ignore for now...
228 
+    } else {
229 
+        this.peerconnection.getStats(callback);
230 
+    }
231 
+};
232 
+
233 
+// mozilla chrome compat layer -- very similar to adapter.js
234 
+function setupRTC() {
235 
+    var RTC = null;
236 
+    if (navigator.mozGetUserMedia) {
237 
+        console.log('This appears to be Firefox');
238 
+        var version = parseInt(navigator.userAgent.match(/Firefox\/([0-9]+)\./)[1], 10);
239 
+        if (version >= 22) {
240 
+            RTC = {
241 
+                peerconnection: mozRTCPeerConnection,
242 
+                browser: 'firefox',
243 
+                getUserMedia: navigator.mozGetUserMedia.bind(navigator),
244 
+                attachMediaStream: function (element, stream) {
245 
+                    element[0].mozSrcObject = stream;
246 
+                    element[0].play();
247 
+                },
248 
+                pc_constraints: {}
249 
+            };
250 
+            if (!MediaStream.prototype.getVideoTracks)
251 
+                MediaStream.prototype.getVideoTracks = function () { return []; };
252 
+            if (!MediaStream.prototype.getAudioTracks)
253 
+                MediaStream.prototype.getAudioTracks = function () { return []; };
254 
+            RTCSessionDescription = mozRTCSessionDescription;
255 
+            RTCIceCandidate = mozRTCIceCandidate;
256 
+        }
257 
+    } else if (navigator.webkitGetUserMedia) {
258 
+        console.log('This appears to be Chrome');
259 
+        RTC = {
260 
+            peerconnection: webkitRTCPeerConnection,
261 
+            browser: 'chrome',
262 
+            getUserMedia: navigator.webkitGetUserMedia.bind(navigator),
263 
+            attachMediaStream: function (element, stream) {
264 
+                element.attr('src', webkitURL.createObjectURL(stream));
265 
+            },
266 
+            // DTLS should now be enabled by default but..
267 
+            pc_constraints: {'optional': [{'DtlsSrtpKeyAgreement': 'true'}]}
268 
+        };
269 
+        if (navigator.userAgent.indexOf('Android') != -1) {
270 
+            RTC.pc_constraints = {}; // disable DTLS on Android
271 
+        }
272 
+        if (!webkitMediaStream.prototype.getVideoTracks) {
273 
+            webkitMediaStream.prototype.getVideoTracks = function () {
274 
+                return this.videoTracks;
275 
+            };
276 
+        }
277 
+        if (!webkitMediaStream.prototype.getAudioTracks) {
278 
+            webkitMediaStream.prototype.getAudioTracks = function () {
279 
+                return this.audioTracks;
280 
+            };
281 
+        }
282 
+    }
283 
+    if (RTC === null) {
284 
+        try { console.log('Browser does not appear to be WebRTC-capable'); } catch (e) { }
285 
+    }
286 
+    return RTC;
287 
+}
288 
+
289 
+function getUserMediaWithConstraints(um, resolution, bandwidth, fps) {
290 
+    var constraints = {audio: false, video: false};
291 
+
292 
+    if (um.indexOf('video') >= 0) {
293 
+        constraints.video = {mandatory: {}};// same behaviour as true
294 
+    }
295 
+    if (um.indexOf('audio') >= 0) {
296 
+        constraints.audio = {};// same behaviour as true
297 
+    }
298 
+    if (um.indexOf('screen') >= 0) {
299 
+        constraints.video = {
300 
+            "mandatory": {
301 
+                "chromeMediaSource": "screen"
302 
+            }
303 
+        };
304 
+    }
305 
+
306 
+    if (resolution && !constraints.video) {
307 
+        constraints.video = {mandatory: {}};// same behaviour as true
308 
+    }
309 
+    // see https://code.google.com/p/chromium/issues/detail?id=143631#c9 for list of supported resolutions
310 
+    switch (resolution) {
311 
+        // 16:9 first
312 
+        case '1080':
313 
+        case 'fullhd':
314 
+            constraints.video.mandatory.minWidth = 1920;
315 
+            constraints.video.mandatory.minHeight = 1080;
316 
+            constraints.video.mandatory.minAspectRatio = 1.77;
317 
+            break;
318 
+        case '720':
319 
+        case 'hd':
320 
+            constraints.video.mandatory.minWidth = 1280;
321 
+            constraints.video.mandatory.minHeight = 720;
322 
+            constraints.video.mandatory.minAspectRatio = 1.77;
323 
+            break;
324 
+        case '360':
325 
+            constraints.video.mandatory.minWidth = 640;
326 
+            constraints.video.mandatory.minHeight = 360;
327 
+            constraints.video.mandatory.minAspectRatio = 1.77;
328 
+            break;
329 
+        case '180':
330 
+            constraints.video.mandatory.minWidth = 320;
331 
+            constraints.video.mandatory.minHeight = 180;
332 
+            constraints.video.mandatory.minAspectRatio = 1.77;
333 
+            break;
334 
+        // 4:3
335 
+        case '960':
336 
+            constraints.video.mandatory.minWidth = 960;
337 
+            constraints.video.mandatory.minHeight = 720;
338 
+            break;
339 
+        case '640':
340 
+        case 'vga':
341 
+            constraints.video.mandatory.minWidth = 640;
342 
+            constraints.video.mandatory.minHeight = 480;
343 
+            break;
344 
+        case '320':
345 
+            constraints.video.mandatory.minWidth = 320;
346 
+            constraints.video.mandatory.minHeight = 240;
347 
+            break;
348 
+        default:
349 
+            if (navigator.userAgent.indexOf('Android') != -1) {
350 
+                constraints.video.mandatory.minWidth = 320;
351 
+                constraints.video.mandatory.minHeight = 240;
352 
+                constraints.video.mandatory.maxFrameRate = 15;
353 
+            }
354 
+            break;
355 
+    }
356 
+
357 
+    if (bandwidth) { // doesn't work currently, see webrtc issue 1846
358 
+        if (!constraints.video) constraints.video = {mandatory: {}};//same behaviour as true
359 
+        constraints.video.optional = [{bandwidth: bandwidth}];
360 
+    }
361 
+    if (fps) { // for some cameras it might be necessary to request 30fps
362 
+        // so they choose 30fps mjpg over 10fps yuy2
363 
+        if (!constraints.video) constraints.video = {mandatory: {}};// same behaviour as tru;
364 
+        constraints.video.mandatory.minFrameRate = fps;
365 
+    }
366 
+
367 
+    try {
368 
+        RTC.getUserMedia(constraints,
369 
+            function (stream) {
370 
+                console.log('onUserMediaSuccess');
371 
+                $(document).trigger('mediaready.jingle', [stream]);
372 
+            },
373 
+            function (error) {
374 
+                console.warn('Failed to get access to local media. Error ', error);
375 
+                $(document).trigger('mediafailure.jingle');
376 
+            });
377 
+    } catch (e) {
378 
+        console.error('GUM failed: ', e);
379 
+        $(document).trigger('mediafailure.jingle');
380 
+    }
381 
+}

+ 4
- 0
libs/strophe/strophe.jingle.bundle.js
文件差异内容过多而无法显示
查看文件


+ 260
- 0
libs/strophe/strophe.jingle.js 查看文件 

@@ -0,0 +1,260 @@
1 
+/* jshint -W117 */
2 
+Strophe.addConnectionPlugin('jingle', {
3 
+    connection: null,
4 
+    sessions: {},
5 
+    jid2session: {},
6 
+    ice_config: {iceServers: []},
7 
+    pc_constraints: {},
8 
+    media_constraints: {
9 
+        mandatory: {
10 
+            'OfferToReceiveAudio': true,
11 
+            'OfferToReceiveVideo': true
12 
+        }
13 
+        // MozDontOfferDataChannel: true when this is firefox
14 
+    },
15 
+    localStream: null,
16 
+
17 
+    init: function (conn) {
18 
+        this.connection = conn;
19 
+        if (this.connection.disco) {
20 
+            // http://xmpp.org/extensions/xep-0167.html#support
21 
+            // http://xmpp.org/extensions/xep-0176.html#support
22 
+            this.connection.disco.addFeature('urn:xmpp:jingle:1');
23 
+            this.connection.disco.addFeature('urn:xmpp:jingle:apps:rtp:1');
24 
+            this.connection.disco.addFeature('urn:xmpp:jingle:transports:ice-udp:1');
25 
+            this.connection.disco.addFeature('urn:xmpp:jingle:apps:rtp:audio');
26 
+            this.connection.disco.addFeature('urn:xmpp:jingle:apps:rtp:video');
27 
+
28 
+
29 
+            // this is dealt with by SDP O/A so we don't need to annouce this
30 
+            //this.connection.disco.addFeature('urn:xmpp:jingle:apps:rtp:rtcp-fb:0'); // XEP-0293
31 
+            //this.connection.disco.addFeature('urn:xmpp:jingle:apps:rtp:rtp-hdrext:0'); // XEP-0294
32 
+            this.connection.disco.addFeature('urn:ietf:rfc:5761'); // rtcp-mux
33 
+            //this.connection.disco.addFeature('urn:ietf:rfc:5888'); // a=group, e.g. bundle
34 
+            //this.connection.disco.addFeature('urn:ietf:rfc:5576'); // a=ssrc
35 
+        }
36 
+        this.connection.addHandler(this.onJingle.bind(this), 'urn:xmpp:jingle:1', 'iq', 'set', null, null);
37 
+    },
38 
+    onJingle: function (iq) {
39 
+        var sid = $(iq).find('jingle').attr('sid');
40 
+        var action = $(iq).find('jingle').attr('action');
41 
+        // send ack first
42 
+        var ack = $iq({type: 'result',
43 
+            to: iq.getAttribute('from'),
44 
+            id: iq.getAttribute('id')
45 
+        });
46 
+        console.log('on jingle ' + action);
47 
+        var sess = this.sessions[sid];
48 
+        if ('session-initiate' != action) {
49 
+            if (sess === null) {
50 
+                ack.type = 'error';
51 
+                ack.c('error', {type: 'cancel'})
52 
+                    .c('item-not-found', {xmlns: 'urn:ietf:params:xml:ns:xmpp-stanzas'}).up()
53 
+                    .c('unknown-session', {xmlns: 'urn:xmpp:jingle:errors:1'});
54 
+                this.connection.send(ack);
55 
+                return true;
56 
+            }
57 
+            // compare from to sess.peerjid (bare jid comparison for later compat with message-mode)
58 
+            // local jid is not checked
59 
+            if (Strophe.getBareJidFromJid(iq.getAttribute('from')) != Strophe.getBareJidFromJid(sess.peerjid)) {
60 
+                console.warn('jid mismatch for session id', sid, iq.getAttribute('from'), sess.peerjid);
61 
+                ack.type = 'error';
62 
+                ack.c('error', {type: 'cancel'})
63 
+                    .c('item-not-found', {xmlns: 'urn:ietf:params:xml:ns:xmpp-stanzas'}).up()
64 
+                    .c('unknown-session', {xmlns: 'urn:xmpp:jingle:errors:1'});
65 
+                this.connection.send(ack);
66 
+                return true;
67 
+            }
68 
+        } else if (sess !== undefined) {
69 
+            // existing session with same session id
70 
+            // this might be out-of-order if the sess.peerjid is the same as from
71 
+            ack.type = 'error';
72 
+            ack.c('error', {type: 'cancel'})
73 
+                .c('service-unavailable', {xmlns: 'urn:ietf:params:xml:ns:xmpp-stanzas'}).up();
74 
+            console.warn('duplicate session id', sid);
75 
+            this.connection.send(ack);
76 
+            return true;
77 
+        }
78 
+        // FIXME: check for a defined action
79 
+        this.connection.send(ack);
80 
+        // see http://xmpp.org/extensions/xep-0166.html#concepts-session
81 
+        switch (action) {
82 
+            case 'session-initiate':
83 
+                sess = new JingleSession($(iq).attr('to'), $(iq).find('jingle').attr('sid'), this.connection);
84 
+                // configure session
85 
+                if (this.localStream) {
86 
+                    sess.localStreams.push(this.localStream);
87 
+                }
88 
+                sess.media_constraints = this.media_constraints;
89 
+                sess.pc_constraints = this.pc_constraints;
90 
+                sess.ice_config = this.ice_config;
91 
+
92 
+                sess.initiate($(iq).attr('from'), false);
93 
+                // FIXME: setRemoteDescription should only be done when this call is to be accepted
94 
+                sess.setRemoteDescription($(iq).find('>jingle'), 'offer');
95 
+
96 
+                this.sessions[sess.sid] = sess;
97 
+                this.jid2session[sess.peerjid] = sess;
98 
+
99 
+                // the callback should either
100 
+                // .sendAnswer and .accept
101 
+                // or .sendTerminate -- not necessarily synchronus
102 
+                $(document).trigger('callincoming.jingle', [sess.sid]);
103 
+                break;
104 
+            case 'session-accept':
105 
+                sess.setRemoteDescription($(iq).find('>jingle'), 'answer');
106 
+                sess.accept();
107 
+                $(document).trigger('callaccepted.jingle', [sess.sid]);
108 
+                break;
109 
+            case 'session-terminate':
110 
+                console.log('terminating...');
111 
+                sess.terminate();
112 
+                this.terminate(sess.sid);
113 
+                if ($(iq).find('>jingle>reason').length) {
114 
+                    $(document).trigger('callterminated.jingle', [
115 
+                        sess.sid,
116 
+                        $(iq).find('>jingle>reason>:first')[0].tagName,
117 
+                        $(iq).find('>jingle>reason>text').text()
118 
+                    ]);
119 
+                } else {
120 
+                    $(document).trigger('callterminated.jingle', [sess.sid]);
121 
+                }
122 
+                break;
123 
+            case 'transport-info':
124 
+                sess.addIceCandidate($(iq).find('>jingle>content'));
125 
+                break;
126 
+            case 'session-info':
127 
+                var affected;
128 
+                if ($(iq).find('>jingle>ringing[xmlns="urn:xmpp:jingle:apps:rtp:info:1"]').length) {
129 
+                    $(document).trigger('ringing.jingle', [sess.sid]);
130 
+                } else if ($(iq).find('>jingle>mute[xmlns="urn:xmpp:jingle:apps:rtp:info:1"]').length) {
131 
+                    affected = $(iq).find('>jingle>mute[xmlns="urn:xmpp:jingle:apps:rtp:info:1"]').attr('name');
132 
+                    $(document).trigger('mute.jingle', [sess.sid, affected]);
133 
+                } else if ($(iq).find('>jingle>unmute[xmlns="urn:xmpp:jingle:apps:rtp:info:1"]').length) {
134 
+                    affected = $(iq).find('>jingle>unmute[xmlns="urn:xmpp:jingle:apps:rtp:info:1"]').attr('name');
135 
+                    $(document).trigger('unmute.jingle', [sess.sid, affected]);
136 
+                }
137 
+                break;
138 
+            case 'addsource': // FIXME: proprietary
139 
+                sess.addSource($(iq).find('>jingle>content'));
140 
+                break;
141 
+            case 'removesource': // FIXME: proprietary
142 
+                sess.removeSource($(iq).find('>jingle>content'));
143 
+                break;
144 
+            default:
145 
+                console.warn('jingle action not implemented', action);
146 
+                break;
147 
+        }
148 
+        return true;
149 
+    },
150 
+    initiate: function (peerjid, myjid) { // initiate a new jinglesession to peerjid
151 
+        var sess = new JingleSession(myjid || this.connection.jid,
152 
+            Math.random().toString(36).substr(2, 12), // random string
153 
+            this.connection);
154 
+        // configure session
155 
+        if (this.localStream) {
156 
+            sess.localStreams.push(this.localStream);
157 
+        }
158 
+        sess.media_constraints = this.media_constraints;
159 
+        sess.pc_constraints = this.pc_constraints;
160 
+        sess.ice_config = this.ice_config;
161 
+
162 
+        sess.initiate(peerjid, true);
163 
+        this.sessions[sess.sid] = sess;
164 
+        this.jid2session[sess.peerjid] = sess;
165 
+        sess.sendOffer();
166 
+        return sess;
167 
+    },
168 
+    terminate: function (sid, reason, text) { // terminate by sessionid (or all sessions)
169 
+        if (sid === null || sid === undefined) {
170 
+            for (sid in this.sessions) {
171 
+                if (this.sessions[sid].state != 'ended') {
172 
+                    this.sessions[sid].sendTerminate(reason || (!this.sessions[sid].active()) ? 'cancel' : null, text);
173 
+                    this.sessions[sid].terminate();
174 
+                }
175 
+                delete this.jid2session[this.sessions[sid].peerjid];
176 
+                delete this.sessions[sid];
177 
+            }
178 
+        } else if (this.sessions.hasOwnProperty(sid)) {
179 
+            if (this.sessions[sid].state != 'ended') {
180 
+                this.sessions[sid].sendTerminate(reason || (!this.sessions[sid].active()) ? 'cancel' : null, text);
181 
+                this.sessions[sid].terminate();
182 
+            }
183 
+            delete this.jid2session[this.sessions[sid].peerjid];
184 
+            delete this.sessions[sid];
185 
+        }
186 
+    },
187 
+    terminateByJid: function (jid) {
188 
+        if (this.jid2session.hasOwnProperty(jid)) {
189 
+            var sess = this.jid2session[jid];
190 
+            if (sess) {
191 
+                sess.terminate();
192 
+                console.log('peer went away silently', jid);
193 
+                delete this.sessions[sess.sid];
194 
+                delete this.jid2session[jid];
195 
+                $(document).trigger('callterminated.jingle', [sess.sid, 'gone']);
196 
+            }
197 
+        }
198 
+    },
199 
+    getStunAndTurnCredentials: function () {
200 
+        // get stun and turn configuration from server via xep-0215
201 
+        // uses time-limited credentials as described in
202 
+        // http://tools.ietf.org/html/draft-uberti-behave-turn-rest-00
203 
+        //
204 
+        // see https://code.google.com/p/prosody-modules/source/browse/mod_turncredentials/mod_turncredentials.lua
205 
+        // for a prosody module which implements this
206 
+        //
207 
+        // currently, this doesn't work with updateIce and therefore credentials with a long
208 
+        // validity have to be fetched before creating the peerconnection
209 
+        // TODO: implement refresh via updateIce as described in
210 
+        //      https://code.google.com/p/webrtc/issues/detail?id=1650
211 
+        var self = this;
212 
+        this.connection.sendIQ(
213 
+            $iq({type: 'get', to: this.connection.domain})
214 
+                .c('services', {xmlns: 'urn:xmpp:extdisco:1'}).c('service', {host: 'turn.' + this.connection.domain}),
215 
+            function (res) {
216 
+                var iceservers = [];
217 
+                $(res).find('>services>service').each(function (idx, el) {
218 
+                    el = $(el);
219 
+                    var dict = {};
220 
+                    switch (el.attr('type')) {
221 
+                        case 'stun':
222 
+                            dict.url = 'stun:' + el.attr('host');
223 
+                            if (el.attr('port')) {
224 
+                                dict.url += ':' + el.attr('port');
225 
+                            }
226 
+                            iceservers.push(dict);
227 
+                            break;
228 
+                        case 'turn':
229 
+                            dict.url = 'turn:';
230 
+                            if (el.attr('username')) { // https://code.google.com/p/webrtc/issues/detail?id=1508
231 
+                                if (navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./) && parseInt(navigator.userAgent.match(/Chrom(e|ium)\/([0-9]+)\./)[2], 10) < 28) {
232 
+                                    dict.url += el.attr('username') + '@';
233 
+                                } else {
234 
+                                    dict.username = el.attr('username'); // only works in M28
235 
+                                }
236 
+                            }
237 
+                            dict.url += el.attr('host');
238 
+                            if (el.attr('port') && el.attr('port') != '3478') {
239 
+                                dict.url += ':' + el.attr('port');
240 
+                            }
241 
+                            if (el.attr('transport') && el.attr('transport') != 'udp') {
242 
+                                dict.url += '?transport=' + el.attr('transport');
243 
+                            }
244 
+                            if (el.attr('password')) {
245 
+                                dict.credential = el.attr('password');
246 
+                            }
247 
+                            iceservers.push(dict);
248 
+                            break;
249 
+                    }
250 
+                });
251 
+                self.ice_config.iceServers = iceservers;
252 
+            },
253 
+            function (err) {
254 
+                console.warn('getting turn credentials failed', err);
255 
+                console.warn('is mod_turncredentials or similar installed?');
256 
+            }
257 
+        );
258 
+        // implement push?
259 
+    }
260 
+});

+ 801
- 0
libs/strophe/strophe.jingle.sdp.js 查看文件 

@@ -0,0 +1,801 @@
1 
+/* jshint -W117 */
2 
+// SDP STUFF
3 
+function SDP(sdp) {
4 
+    this.media = sdp.split('\r\nm=');
5 
+    for (var i = 1; i < this.media.length; i++) {
6 
+        this.media[i] = 'm=' + this.media[i];
7 
+        if (i != this.media.length - 1) {
8 
+            this.media[i] += '\r\n';
9 
+        }
10 
+    }
11 
+    this.session = this.media.shift() + '\r\n';
12 
+    this.raw = this.session + this.media.join('');
13 
+}
14 
+
15 
+// remove iSAC and CN from SDP
16 
+SDP.prototype.mangle = function () {
17 
+    var i, j, mline, lines, rtpmap, newdesc;
18 
+    for (i = 0; i < this.media.length; i++) {
19 
+        lines = this.media[i].split('\r\n');
20 
+        lines.pop(); // remove empty last element
21 
+        mline = SDPUtil.parse_mline(lines.shift());
22 
+        if (mline.media != 'audio')
23 
+            continue;
24 
+        newdesc = '';
25 
+        mline.fmt.length = 0;
26 
+        for (j = 0; j < lines.length; j++) {
27 
+            if (lines[j].substr(0, 9) == 'a=rtpmap:') {
28 
+                rtpmap = SDPUtil.parse_rtpmap(lines[j]);
29 
+                if (rtpmap.name == 'CN' || rtpmap.name == 'ISAC')
30 
+                    continue;
31 
+                mline.fmt.push(rtpmap.id);
32 
+                newdesc += lines[j] + '\r\n';
33 
+            } else {
34 
+                newdesc += lines[j] + '\r\n';
35 
+            }
36 
+        }
37 
+        this.media[i] = SDPUtil.build_mline(mline) + '\r\n';
38 
+        this.media[i] += newdesc;
39 
+    }
40 
+    this.raw = this.session + this.media.join('');
41 
+};
42 
+
43 
+// remove lines matching prefix from session section
44 
+SDP.prototype.removeSessionLines = function(prefix) {
45 
+    var self = this;
46 
+    var lines = SDPUtil.find_lines(this.session, prefix);
47 
+    lines.forEach(function(line) {
48 
+        self.session = self.session.replace(line + '\r\n', '');
49 
+    });
50 
+    this.raw = this.session + this.media.join('');
51 
+    return lines;
52 
+}
53 
+// remove lines matching prefix from a media section specified by mediaindex
54 
+// TODO: non-numeric mediaindex could match mid
55 
+SDP.prototype.removeMediaLines = function(mediaindex, prefix) {
56 
+    var self = this;
57 
+    var lines = SDPUtil.find_lines(this.media[mediaindex], prefix);
58 
+    lines.forEach(function(line) {
59 
+        self.media[mediaindex] = self.media[mediaindex].replace(line + '\r\n', '');
60 
+    });
61 
+    this.raw = this.session + this.media.join('');
62 
+    return lines;
63 
+}
64 
+
65 
+// add content's to a jingle element
66 
+SDP.prototype.toJingle = function (elem, thecreator) {
67 
+    var i, j, k, mline, ssrc, rtpmap, tmp, line, lines;
68 
+    var self = this;
69 
+    // new bundle plan
70 
+    if (SDPUtil.find_line(this.session, 'a=group:')) {
71 
+        lines = SDPUtil.find_lines(this.session, 'a=group:');
72 
+        for (i = 0; i < lines.length; i++) {
73 
+            tmp = lines[i].split(' ');
74 
+            var semantics = tmp.shift().substr(8);
75 
+            elem.c('group', {xmlns: 'urn:xmpp:jingle:apps:grouping:0', semantics:semantics});
76 
+            for (j = 0; j < tmp.length; j++) {
77 
+                elem.c('content', {name: tmp[j]}).up();
78 
+            }
79 
+            elem.up();
80 
+        }
81 
+    }
82 
+    // old bundle plan, to be removed
83 
+    var bundle = [];
84 
+    if (SDPUtil.find_line(this.session, 'a=group:BUNDLE')) {
85 
+        bundle = SDPUtil.find_line(this.session, 'a=group:BUNDLE ').split(' ');
86 
+        bundle.shift();
87 
+    }
88 
+    for (i = 0; i < this.media.length; i++) {
89 
+        mline = SDPUtil.parse_mline(this.media[i].split('\r\n')[0]);
90 
+        if (!(mline.media == 'audio' || mline.media == 'video')) {
91 
+            continue;
92 
+        }
93 
+        if (SDPUtil.find_line(this.media[i], 'a=ssrc:')) {
94 
+            ssrc = SDPUtil.find_line(this.media[i], 'a=ssrc:').substring(7).split(' ')[0]; // take the first
95 
+        } else {
96 
+            ssrc = false;
97 
+        }
98 
+
99 
+        elem.c('content', {creator: thecreator, name: mline.media});
100 
+        if (SDPUtil.find_line(this.media[i], 'a=mid:')) {
101 
+            // prefer identifier from a=mid if present
102 
+            var mid = SDPUtil.parse_mid(SDPUtil.find_line(this.media[i], 'a=mid:'));
103 
+            elem.attrs({ name: mid });
104 
+
105 
+            // old BUNDLE plan, to be removed
106 
+            if (bundle.indexOf(mid) != -1) {
107 
+                elem.c('bundle', {xmlns: 'http://estos.de/ns/bundle'}).up();
108 
+                bundle.splice(bundle.indexOf(mid), 1);
109 
+            }
110 
+        }
111 
+        if (SDPUtil.find_line(this.media[i], 'a=rtpmap:').length) {
112 
+            elem.c('description',
113 
+                {xmlns: 'urn:xmpp:jingle:apps:rtp:1',
114 
+                    media: mline.media });
115 
+            if (ssrc) {
116 
+                elem.attrs({ssrc: ssrc});
117 
+            }
118 
+            for (j = 0; j < mline.fmt.length; j++) {
119 
+                rtpmap = SDPUtil.find_line(this.media[i], 'a=rtpmap:' + mline.fmt[j]);
120 
+                elem.c('payload-type', SDPUtil.parse_rtpmap(rtpmap));
121 
+                // put any 'a=fmtp:' + mline.fmt[j] lines into <param name=foo value=bar/>
122 
+                if (SDPUtil.find_line(this.media[i], 'a=fmtp:' + mline.fmt[j])) {
123 
+                    tmp = SDPUtil.parse_fmtp(SDPUtil.find_line(this.media[i], 'a=fmtp:' + mline.fmt[j]));
124 
+                    for (k = 0; k < tmp.length; k++) {
125 
+                        elem.c('parameter', tmp[k]).up();
126 
+                    }
127 
+                }
128 
+                this.RtcpFbToJingle(i, elem, mline.fmt[j]); // XEP-0293 -- map a=rtcp-fb
129 
+
130 
+                elem.up();
131 
+            }
132 
+            if (SDPUtil.find_line(this.media[i], 'a=crypto:', this.session)) {
133 
+                elem.c('encryption', {required: 1});
134 
+                var crypto = SDPUtil.find_lines(this.media[i], 'a=crypto:', this.session);
135 
+                crypto.forEach(function(line) {
136 
+                    elem.c('crypto', SDPUtil.parse_crypto(line)).up();
137 
+                });
138 
+                elem.up(); // end of encryption
139 
+            }
140 
+
141 
+            if (ssrc) {
142 
+                // new style mapping
143 
+                elem.c('source', { ssrc: ssrc, xmlns: 'urn:xmpp:jingle:apps:rtp:ssma:0' });
144 
+                // FIXME: group by ssrc and support multiple different ssrcs
145 
+                var ssrclines = SDPUtil.find_lines(this.media[i], 'a=ssrc:');
146 
+                ssrclines.forEach(function(line) {
147 
+                    idx = line.indexOf(' ');
148 
+                    var linessrc = line.substr(0, idx).substr(7);
149 
+                    if (linessrc != ssrc) {
150 
+                        elem.up();
151 
+                        ssrc = linessrc;
152 
+                        elem.c('source', { ssrc: ssrc, xmlns: 'urn:xmpp:jingle:apps:rtp:ssma:0' });
153 
+                    }
154 
+                    var kv = line.substr(idx + 1);
155 
+                    elem.c('parameter');
156 
+                    if (kv.indexOf(':') == -1) {
157 
+                        elem.attrs({ name: kv });
158 
+                    } else {
159 
+                        elem.attrs({ name: kv.split(':', 2)[0] });
160 
+                        elem.attrs({ value: kv.split(':', 2)[1] });
161 
+                    }
162 
+                    elem.up();
163 
+                });
164 
+                elem.up();
165 
+
166 
+                // old proprietary mapping, to be removed at some point
167 
+                tmp = SDPUtil.parse_ssrc(this.media[i]);
168 
+                tmp.xmlns = 'http://estos.de/ns/ssrc';
169 
+                tmp.ssrc = ssrc;
170 
+                elem.c('ssrc', tmp).up(); // ssrc is part of description
171 
+            }
172 
+
173 
+            if (SDPUtil.find_line(this.media[i], 'a=rtcp-mux')) {
174 
+                elem.c('rtcp-mux').up();
175 
+            }
176 
+
177 
+            // XEP-0293 -- map a=rtcp-fb:*
178 
+            this.RtcpFbToJingle(i, elem, '*');
179 
+
180 
+            // XEP-0294
181 
+            if (SDPUtil.find_line(this.media[i], 'a=extmap:')) {
182 
+                lines = SDPUtil.find_lines(this.media[i], 'a=extmap:');
183 
+                for (j = 0; j < lines.length; j++) {
184 
+                    tmp = SDPUtil.parse_extmap(lines[j]);
185 
+                    elem.c('rtp-hdrext', { xmlns: 'urn:xmpp:jingle:apps:rtp:rtp-hdrext:0',
186 
+                        uri: tmp.uri,
187 
+                        id: tmp.value });
188 
+                    if (tmp.hasOwnProperty('direction')) {
189 
+                        switch (tmp.direction) {
190 
+                            case 'sendonly':
191 
+                                elem.attrs({senders: 'responder'});
192 
+                                break;
193 
+                            case 'recvonly':
194 
+                                elem.attrs({senders: 'initiator'});
195 
+                                break;
196 
+                            case 'sendrecv':
197 
+                                elem.attrs({senders: 'both'});
198 
+                                break;
199 
+                            case 'inactive':
200 
+                                elem.attrs({senders: 'none'});
201 
+                                break;
202 
+                        }
203 
+                    }
204 
+                    // TODO: handle params
205 
+                    elem.up();
206 
+                }
207 
+            }
208 
+            elem.up(); // end of description
209 
+        }
210 
+
211 
+        // map ice-ufrag/pwd, dtls fingerprint, candidates
212 
+        this.TransportToJingle(i, elem);
213 
+
214 
+        if (SDPUtil.find_line(this.media[i], 'a=sendrecv', this.session)) {
215 
+            elem.attrs({senders: 'both'});
216 
+        } else if (SDPUtil.find_line(this.media[i], 'a=sendonly', this.session)) {
217 
+            elem.attrs({senders: 'initiator'});
218 
+        } else if (SDPUtil.find_line(this.media[i], 'a=recvonly', this.session)) {
219 
+            elem.attrs({senders: 'responder'});
220 
+        } else if (SDPUtil.find_line(this.media[i], 'a=inactive', this.session)) {
221 
+            elem.attrs({senders: 'none'});
222 
+        }
223 
+        if (mline.port == '0') {
224 
+            // estos hack to reject an m-line
225 
+            elem.attrs({senders: 'rejected'});
226 
+        }
227 
+        elem.up(); // end of content
228 
+    }
229 
+    elem.up();
230 
+    return elem;
231 
+};
232 
+
233 
+SDP.prototype.TransportToJingle = function (mediaindex, elem) {
234 
+    var i = mediaindex;
235 
+    var tmp;
236 
+    var self = this;
237 
+    elem.c('transport');
238 
+
239 
+    // XEP-0320
240 
+    var fingerprints = SDPUtil.find_lines(this.media[mediaindex], 'a=fingerprint:', this.session);
241 
+    fingerprints.forEach(function(line) {
242 
+        tmp = SDPUtil.parse_fingerprint(line);
243 
+        tmp.xmlns = 'urn:xmpp:tmp:jingle:apps:dtls:0';
244 
+        // tmp.xmlns = 'urn:xmpp:jingle:apps:dtls:0'; -- FIXME: update receivers first
245 
+        elem.c('fingerprint').t(tmp.fingerprint);
246 
+        delete tmp.fingerprint;
247 
+        line = SDPUtil.find_line(self.media[mediaindex], 'a=setup:', self.session);
248 
+        if (line) {
249 
+            tmp.setup = line.substr(8);
250 
+        }
251 
+        elem.attrs(tmp);
252 
+        elem.up(); // end of fingerprint
253 
+    });
254 
+    tmp = SDPUtil.iceparams(this.media[mediaindex], this.session);
255 
+    if (tmp) {
256 
+        tmp.xmlns = 'urn:xmpp:jingle:transports:ice-udp:1';
257 
+        elem.attrs(tmp);
258 
+        // XEP-0176
259 
+        if (SDPUtil.find_line(this.media[mediaindex], 'a=candidate:', this.session)) { // add any a=candidate lines
260 
+            var lines = SDPUtil.find_lines(this.media[mediaindex], 'a=candidate:', this.session);
261 
+            lines.forEach(function (line) {
262 
+                elem.c('candidate', SDPUtil.candidateToJingle(line)).up();
263 
+            });
264 
+        }
265 
+    }
266 
+    elem.up(); // end of transport
267 
+}
268 
+
269 
+SDP.prototype.RtcpFbToJingle = function (mediaindex, elem, payloadtype) { // XEP-0293
270 
+    var lines = SDPUtil.find_lines(this.media[mediaindex], 'a=rtcp-fb:' + payloadtype);
271 
+    lines.forEach(function (line) {
272 
+        var tmp = SDPUtil.parse_rtcpfb(line);
273 
+        if (tmp.type == 'trr-int') {
274 
+            elem.c('rtcp-fb-trr-int', {xmlns: 'urn:xmpp:jingle:apps:rtp:rtcp-fb:0', value: tmp.params[0]});
275 
+            elem.up();
276 
+        } else {
277 
+            elem.c('rtcp-fb', {xmlns: 'urn:xmpp:jingle:apps:rtp:rtcp-fb:0', type: tmp.type});
278 
+            if (tmp.params.length > 0) {
279 
+                elem.attrs({'subtype': tmp.params[0]});
280 
+            }
281 
+            elem.up();
282 
+        }
283 
+    });
284 
+};
285 
+
286 
+SDP.prototype.RtcpFbFromJingle = function (elem, payloadtype) { // XEP-0293
287 
+    var media = '';
288 
+    var tmp = elem.find('>rtcp-fb-trr-int[xmlns="urn:xmpp:jingle:apps:rtp:rtcp-fb:0"]');
289 
+    if (tmp.length) {
290 
+        media += 'a=rtcp-fb:' + '*' + ' ' + 'trr-int' + ' ';
291 
+        if (tmp.attr('value')) {
292 
+            media += tmp.attr('value');
293 
+        } else {
294 
+            media += '0';
295 
+        }
296 
+        media += '\r\n';
297 
+    }
298 
+    tmp = elem.find('>rtcp-fb[xmlns="urn:xmpp:jingle:apps:rtp:rtcp-fb:0"]');
299 
+    tmp.each(function () {
300 
+        media += 'a=rtcp-fb:' + payloadtype + ' ' + $(this).attr('type');
301 
+        if ($(this).attr('subtype')) {
302 
+            media += ' ' + $(this).attr('subtype');
303 
+        }
304 
+        media += '\r\n';
305 
+    });
306 
+    return media;
307 
+};
308 
+
309 
+// construct an SDP from a jingle stanza
310 
+SDP.prototype.fromJingle = function (jingle) {
311 
+    var self = this;
312 
+    this.raw = 'v=0\r\n' +
313 
+        'o=- ' + '1923518516' + ' 2 IN IP4 0.0.0.0\r\n' +// FIXME
314 
+        's=-\r\n' +
315 
+        't=0 0\r\n';
316 
+    // http://tools.ietf.org/html/draft-ietf-mmusic-sdp-bundle-negotiation-04#section-8
317 
+    if ($(jingle).find('>group[xmlns="urn:xmpp:jingle:apps:grouping:0"]').length) {
318 
+        $(jingle).find('>group[xmlns="urn:xmpp:jingle:apps:grouping:0"]').each(function (idx, group) {
319 
+            var contents = $(group).find('>content').map(function (idx, content) {
320 
+                return content.getAttribute('name');
321 
+            }).get();
322 
+            if (contents.length > 0) {
323 
+                self.raw += 'a=group:' + (group.getAttribute('semantics') || group.getAttribute('type')) + ' ' + contents.join(' ') + '\r\n';
324 
+            }
325 
+        });
326 
+    } else if ($(jingle).find('>group[xmlns="urn:ietf:rfc:5888"]').length) {
327 
+        // temporary namespace, not to be used. to be removed soon.
328 
+        $(jingle).find('>group[xmlns="urn:ietf:rfc:5888"]').each(function (idx, group) {
329 
+            var contents = $(group).find('>content').map(function (idx, content) {
330 
+                return content.getAttribute('name');
331 
+            }).get();
332 
+            if (group.getAttribute('type') !== null && contents.length > 0) {
333 
+                self.raw += 'a=group:' + group.getAttribute('type') + ' ' + contents.join(' ') + '\r\n';
334 
+            }
335 
+        });
336 
+    } else {
337 
+        // for backward compability, to be removed soon
338 
+        // assume all contents are in the same bundle group, can be improved upon later
339 
+        var bundle = $(jingle).find('>content').filter(function (idx, content) {
340 
+            //elem.c('bundle', {xmlns:'http://estos.de/ns/bundle'});
341 
+            return $(content).find('>bundle').length > 0;
342 
+        }).map(function (idx, content) {
343 
+                return content.getAttribute('name');
344 
+            }).get();
345 
+        if (bundle.length) {
346 
+            this.raw += 'a=group:BUNDLE ' + bundle.join(' ') + '\r\n';
347 
+        }
348 
+    }
349 
+
350 
+    this.session = this.raw;
351 
+    jingle.find('>content').each(function () {
352 
+        var m = self.jingle2media($(this));
353 
+        self.media.push(m);
354 
+    });
355 
+
356 
+    // reconstruct msid-semantic -- apparently not necessary
357 
+    /*
358 
+     var msid = SDPUtil.parse_ssrc(this.raw);
359 
+     if (msid.hasOwnProperty('mslabel')) {
360 
+     this.session += "a=msid-semantic: WMS " + msid.mslabel + "\r\n";
361 
+     }
362 
+     */
363 
+
364 
+    this.raw = this.session + this.media.join('');
365 
+};
366 
+
367 
+// translate a jingle content element into an an SDP media part
368 
+SDP.prototype.jingle2media = function (content) {
369 
+    var media = '',
370 
+        desc = content.find('description'),
371 
+        ssrc = desc.attr('ssrc'),
372 
+        self = this,
373 
+        tmp;
374 
+
375 
+    tmp = { media: desc.attr('media') };
376 
+    tmp.port = '1';
377 
+    if (content.attr('senders') == 'rejected') {
378 
+        // estos hack to reject an m-line.
379 
+        tmp.port = '0';
380 
+    }
381 
+    if (content.find('>transport>fingerprint').length || desc.find('encryption').length) {
382 
+        tmp.proto = 'RTP/SAVPF';
383 
+    } else {
384 
+        tmp.proto = 'RTP/AVPF';
385 
+    }
386 
+    tmp.fmt = desc.find('payload-type').map(function () { return this.getAttribute('id'); }).get();
387 
+    media += SDPUtil.build_mline(tmp) + '\r\n';
388 
+    media += 'c=IN IP4 0.0.0.0\r\n';
389 
+    media += 'a=rtcp:1 IN IP4 0.0.0.0\r\n';
390 
+    tmp = content.find('>transport[xmlns="urn:xmpp:jingle:transports:ice-udp:1"]');
391 
+    if (tmp.length) {
392 
+        if (tmp.attr('ufrag')) {
393 
+            media += SDPUtil.build_iceufrag(tmp.attr('ufrag')) + '\r\n';
394 
+        }
395 
+        if (tmp.attr('pwd')) {
396 
+            media += SDPUtil.build_icepwd(tmp.attr('pwd')) + '\r\n';
397 
+        }
398 
+        tmp.find('>fingerprint').each(function () {
399 
+            // FIXME: check namespace at some point
400 
+            media += 'a=fingerprint:' + this.getAttribute('hash');
401 
+            media += ' ' + $(this).text();
402 
+            media += '\r\n';
403 
+            if (this.getAttribute('setup')) {
404 
+                media += 'a=setup:' + this.getAttribute('setup') + '\r\n';
405 
+            }
406 
+        });
407 
+    }
408 
+    switch (content.attr('senders')) {
409 
+        case 'initiator':
410 
+            media += 'a=sendonly\r\n';
411 
+            break;
412 
+        case 'responder':
413 
+            media += 'a=recvonly\r\n';
414 
+            break;
415 
+        case 'none':
416 
+            media += 'a=inactive\r\n';
417 
+            break;
418 
+        case 'both':
419 
+            media += 'a=sendrecv\r\n';
420 
+            break;
421 
+    }
422 
+    media += 'a=mid:' + content.attr('name') + '\r\n';
423 
+
424 
+    // <description><rtcp-mux/></description>
425 
+    // see http://code.google.com/p/libjingle/issues/detail?id=309 -- no spec though
426 
+    // and http://mail.jabber.org/pipermail/jingle/2011-December/001761.html
427 
+    if (desc.find('rtcp-mux').length) {
428 
+        media += 'a=rtcp-mux\r\n';
429 
+    }
430 
+
431 
+    if (desc.find('encryption').length) {
432 
+        desc.find('encryption>crypto').each(function () {
433 
+            media += 'a=crypto:' + this.getAttribute('tag');
434 
+            media += ' ' + this.getAttribute('crypto-suite');
435 
+            media += ' ' + this.getAttribute('key-params');
436 
+            if (this.getAttribute('session-params')) {
437 
+                media += ' ' + this.getAttribute('session-params');
438 
+            }
439 
+            media += '\r\n';
440 
+        });
441 
+    }
442 
+    desc.find('payload-type').each(function () {
443 
+        media += SDPUtil.build_rtpmap(this) + '\r\n';
444 
+        if ($(this).find('>parameter').length) {
445 
+            media += 'a=fmtp:' + this.getAttribute('id') + ' ';
446 
+            media += $(this).find('parameter').map(function () { return (this.getAttribute('name') ? (this.getAttribute('name') + '=') : '') + this.getAttribute('value'); }).get().join(';');
447 
+            media += '\r\n';
448 
+        }
449 
+        // xep-0293
450 
+        media += self.RtcpFbFromJingle($(this), this.getAttribute('id'));
451 
+    });
452 
+
453 
+    // xep-0293
454 
+    media += self.RtcpFbFromJingle(desc, '*');
455 
+
456 
+    // xep-0294
457 
+    tmp = desc.find('>rtp-hdrext[xmlns="urn:xmpp:jingle:apps:rtp:rtp-hdrext:0"]');
458 
+    tmp.each(function () {
459 
+        media += 'a=extmap:' + this.getAttribute('id') + ' ' + this.getAttribute('uri') + '\r\n';
460 
+    });
461 
+
462 
+    content.find('>transport[xmlns="urn:xmpp:jingle:transports:ice-udp:1"]>candidate').each(function () {
463 
+        media += SDPUtil.candidateFromJingle(this);
464 
+    });
465 
+
466 
+    tmp = content.find('description>source[xmlns="urn:xmpp:jingle:apps:rtp:ssma:0"]');
467 
+    tmp.each(function () {
468 
+        var ssrc = this.getAttribute('ssrc');
469 
+        $(this).find('>parameter').each(function () {
470 
+            media += 'a=ssrc:' + ssrc + ' ' + this.getAttribute('name');
471 
+            if (this.getAttribute('value') && this.getAttribute('value').length)
472 
+                media += ':' + this.getAttribute('value');
473 
+            media += '\r\n';
474 
+        });
475 
+    });
476 
+
477 
+    if (tmp.length === 0) {
478 
+        // fallback to proprietary mapping of a=ssrc lines
479 
+        tmp = content.find('description>ssrc[xmlns="http://estos.de/ns/ssrc"]');
480 
+        if (tmp.length) {
481 
+            media += 'a=ssrc:' + ssrc + ' cname:' + tmp.attr('cname') + '\r\n';
482 
+            media += 'a=ssrc:' + ssrc + ' msid:' + tmp.attr('msid') + '\r\n';
483 
+            media += 'a=ssrc:' + ssrc + ' mslabel:' + tmp.attr('mslabel') + '\r\n';
484 
+            media += 'a=ssrc:' + ssrc + ' label:' + tmp.attr('label') + '\r\n';
485 
+        }
486 
+    }
487 
+    return media;
488 
+};
489 
+
490 
+SDPUtil = {
491 
+    iceparams: function (mediadesc, sessiondesc) {
492 
+        var data = null;
493 
+        if (SDPUtil.find_line(mediadesc, 'a=ice-ufrag:', sessiondesc) &&
494 
+            SDPUtil.find_line(mediadesc, 'a=ice-pwd:', sessiondesc)) {
495 
+            data = {
496 
+                ufrag: SDPUtil.parse_iceufrag(SDPUtil.find_line(mediadesc, 'a=ice-ufrag:', sessiondesc)),
497 
+                pwd: SDPUtil.parse_icepwd(SDPUtil.find_line(mediadesc, 'a=ice-pwd:', sessiondesc))
498 
+            };
499 
+        }
500 
+        return data;
501 
+    },
502 
+    parse_iceufrag: function (line) {
503 
+        return line.substring(12);
504 
+    },
505 
+    build_iceufrag: function (frag) {
506 
+        return 'a=ice-ufrag:' + frag;
507 
+    },
508 
+    parse_icepwd: function (line) {
509 
+        return line.substring(10);
510 
+    },
511 
+    build_icepwd: function (pwd) {
512 
+        return 'a=ice-pwd:' + pwd;
513 
+    },
514 
+    parse_mid: function (line) {
515 
+        return line.substring(6);
516 
+    },
517 
+    parse_mline: function (line) {
518 
+        var parts = line.substring(2).split(' '),
519 
+            data = {};
520 
+        data.media = parts.shift();
521 
+        data.port = parts.shift();
522 
+        data.proto = parts.shift();
523 
+        if (parts[parts.length - 1] === '') { // trailing whitespace
524 
+            parts.pop();
525 
+        }
526 
+        data.fmt = parts;
527 
+        return data;
528 
+    },
529 
+    build_mline: function (mline) {
530 
+        return 'm=' + mline.media + ' ' + mline.port + ' ' + mline.proto + ' ' + mline.fmt.join(' ');
531 
+    },
532 
+    parse_rtpmap: function (line) {
533 
+        var parts = line.substring(9).split(' '),
534 
+            data = {};
535 
+        data.id = parts.shift();
536 
+        parts = parts[0].split('/');
537 
+        data.name = parts.shift();
538 
+        data.clockrate = parts.shift();
539 
+        data.channels = parts.length ? parts.shift() : '1';
540 
+        return data;
541 
+    },
542 
+    build_rtpmap: function (el) {
543 
+        var line = 'a=rtpmap:' + el.getAttribute('id') + ' ' + el.getAttribute('name') + '/' + el.getAttribute('clockrate');
544 
+        if (el.getAttribute('channels') && el.getAttribute('channels') != '1') {
545 
+            line += '/' + el.getAttribute('channels');
546 
+        }
547 
+        return line;
548 
+    },
549 
+    parse_crypto: function (line) {
550 
+        var parts = line.substring(9).split(' '),
551 
+            data = {};
552 
+        data.tag = parts.shift();
553 
+        data['crypto-suite'] = parts.shift();
554 
+        data['key-params'] = parts.shift();
555 
+        if (parts.length) {
556 
+            data['session-params'] = parts.join(' ');
557 
+        }
558 
+        return data;
559 
+    },
560 
+    parse_fingerprint: function (line) { // RFC 4572
561 
+        var parts = line.substring(14).split(' '),
562 
+            data = {};
563 
+        data.hash = parts.shift();
564 
+        data.fingerprint = parts.shift();
565 
+        // TODO assert that fingerprint satisfies 2UHEX *(":" 2UHEX) ?
566 
+        return data;
567 
+    },
568 
+    parse_fmtp: function (line) {
569 
+        var parts = line.split(' '),
570 
+            i, key, value,
571 
+            data = [];
572 
+        parts.shift();
573 
+        parts = parts.join(' ').split(';');
574 
+        for (i = 0; i < parts.length; i++) {
575 
+            key = parts[i].split('=')[0];
576 
+            while (key.length && key[0] == ' ') {
577 
+                key = key.substring(1);
578 
+            }
579 
+            value = parts[i].split('=')[1];
580 
+            if (key && value) {
581 
+                data.push({name: key, value: value});
582 
+            } else if (key) {
583 
+                // rfc 4733 (DTMF) style stuff
584 
+                data.push({name: '', value: key});
585 
+            }
586 
+        }
587 
+        return data;
588 
+    },
589 
+    parse_icecandidate: function (line) {
590 
+        var candidate = {},
591 
+            elems = line.split(' ');
592 
+        candidate.foundation = elems[0].substring(12);
593 
+        candidate.component = elems[1];
594 
+        candidate.protocol = elems[2].toLowerCase();
595 
+        candidate.priority = elems[3];
596 
+        candidate.ip = elems[4];
597 
+        candidate.port = elems[5];
598 
+        // elems[6] => "typ"
599 
+        candidate.type = elems[7];
600 
+        candidate.generation = 0; // default value, may be overwritten below
601 
+        for (var i = 8; i < elems.length; i += 2) {
602 
+            switch (elems[i]) {
603 
+                case 'raddr':
604 
+                    candidate['rel-addr'] = elems[i + 1];
605 
+                    break;
606 
+                case 'rport':
607 
+                    candidate['rel-port'] = elems[i + 1];
608 
+                    break;
609 
+                case 'generation':
610 
+                    candidate.generation = elems[i + 1];
611 
+                    break;
612 
+                default: // TODO
613 
+                    console.log('parse_icecandidate not translating "' + elems[i] + '" = "' + elems[i + 1] + '"');
614 
+            }
615 
+        }
616 
+        candidate.network = '1';
617 
+        candidate.id = Math.random().toString(36).substr(2, 10); // not applicable to SDP -- FIXME: should be unique, not just random
618 
+        return candidate;
619 
+    },
620 
+    build_icecandidate: function (cand) {
621 
+        var line = ['a=candidate:' + cand.foundation, cand.component, cand.protocol, cand.priority, cand.ip, cand.port, 'typ', cand.type].join(' ');
622 
+        line += ' ';
623 
+        switch (cand.type) {
624 
+            case 'srflx':
625 
+            case 'prflx':
626 
+            case 'relay':
627 
+                if (cand.hasOwnAttribute('rel-addr') && cand.hasOwnAttribute('rel-port')) {
628 
+                    line += 'raddr';
629 
+                    line += ' ';
630 
+                    line += cand['rel-addr'];
631 
+                    line += ' ';
632 
+                    line += 'rport';
633 
+                    line += ' ';
634 
+                    line += cand['rel-port'];
635 
+                    line += ' ';
636 
+                }
637 
+                break;
638 
+        }
639 
+        line += 'generation';
640 
+        line += ' ';
641 
+        line += cand.hasOwnAttribute('generation') ? cand.generation : '0';
642 
+        return line;
643 
+    },
644 
+    parse_ssrc: function (desc) {
645 
+        // proprietary mapping of a=ssrc lines
646 
+        // TODO: see "Jingle RTP Source Description" by Juberti and P. Thatcher on google docs
647 
+        // and parse according to that
648 
+        var lines = desc.split('\r\n'),
649 
+            data = {};
650 
+        for (var i = 0; i < lines.length; i++) {
651 
+            if (lines[i].substring(0, 7) == 'a=ssrc:') {
652 
+                var idx = lines[i].indexOf(' ');
653 
+                data[lines[i].substr(idx + 1).split(':', 2)[0]] = lines[i].substr(idx + 1).split(':', 2)[1];
654 
+            }
655 
+        }
656 
+        return data;
657 
+    },
658 
+    parse_rtcpfb: function (line) {
659 
+        var parts = line.substr(10).split(' ');
660 
+        var data = {};
661 
+        data.pt = parts.shift();
662 
+        data.type = parts.shift();
663 
+        data.params = parts;
664 
+        return data;
665 
+    },
666 
+    parse_extmap: function (line) {
667 
+        var parts = line.substr(9).split(' ');
668 
+        var data = {};
669 
+        data.value = parts.shift();
670 
+        if (data.value.indexOf('/') != -1) {
671 
+            data.direction = data.value.substr(data.value.indexOf('/') + 1);
672 
+            data.value = data.value.substr(0, data.value.indexOf('/'));
673 
+        } else {
674 
+            data.direction = 'both';
675 
+        }
676 
+        data.uri = parts.shift();
677 
+        data.params = parts;
678 
+        return data;
679 
+    },
680 
+    find_line: function (haystack, needle, sessionpart) {
681 
+        var lines = haystack.split('\r\n');
682 
+        for (var i = 0; i < lines.length; i++) {
683 
+            if (lines[i].substring(0, needle.length) == needle) {
684 
+                return lines[i];
685 
+            }
686 
+        }
687 
+        if (!sessionpart) {
688 
+            return false;
689 
+        }
690 
+        // search session part
691 
+        lines = sessionpart.split('\r\n');
692 
+        for (var j = 0; j < lines.length; j++) {
693 
+            if (lines[j].substring(0, needle.length) == needle) {
694 
+                return lines[j];
695 
+            }
696 
+        }
697 
+        return false;
698 
+    },
699 
+    find_lines: function (haystack, needle, sessionpart) {
700 
+        var lines = haystack.split('\r\n'),
701 
+            needles = [];
702 
+        for (var i = 0; i < lines.length; i++) {
703 
+            if (lines[i].substring(0, needle.length) == needle)
704 
+                needles.push(lines[i]);
705 
+        }
706 
+        if (needles.length || !sessionpart) {
707 
+            return needles;
708 
+        }
709 
+        // search session part
710 
+        lines = sessionpart.split('\r\n');
711 
+        for (var j = 0; j < lines.length; j++) {
712 
+            if (lines[j].substring(0, needle.length) == needle) {
713 
+                needles.push(lines[j]);
714 
+            }
715 
+        }
716 
+        return needles;
717 
+    },
718 
+    candidateToJingle: function (line) {
719 
+        // a=candidate:2979166662 1 udp 2113937151 192.168.2.100 57698 typ host generation 0
720 
+        //      <candidate component=... foundation=... generation=... id=... ip=... network=... port=... priority=... protocol=... type=.../>
721 
+        if (line.substring(0, 12) != 'a=candidate:') {
722 
+            console.log('parseCandidate called with a line that is not a candidate line');
723 
+            console.log(line);
724 
+            return null;
725 
+        }
726 
+        if (line.substring(line.length - 2) == '\r\n') // chomp it
727 
+            line = line.substring(0, line.length - 2);
728 
+        var candidate = {},
729 
+            elems = line.split(' '),
730 
+            i;
731 
+        if (elems[6] != 'typ') {
732 
+            console.log('did not find typ in the right place');
733 
+            console.log(line);
734 
+            return null;
735 
+        }
736 
+        candidate.foundation = elems[0].substring(12);
737 
+        candidate.component = elems[1];
738 
+        candidate.protocol = elems[2].toLowerCase();
739 
+        candidate.priority = elems[3];
740 
+        candidate.ip = elems[4];
741 
+        candidate.port = elems[5];
742 
+        // elems[6] => "typ"
743 
+        candidate.type = elems[7];
744 
+        for (i = 8; i < elems.length; i += 2) {
745 
+            switch (elems[i]) {
746 
+                case 'raddr':
747 
+                    candidate['rel-addr'] = elems[i + 1];
748 
+                    break;
749 
+                case 'rport':
750 
+                    candidate['rel-port'] = elems[i + 1];
751 
+                    break;
752 
+                case 'generation':
753 
+                    candidate.generation = elems[i + 1];
754 
+                    break;
755 
+                default: // TODO
756 
+                    console.log('not translating "' + elems[i] + '" = "' + elems[i + 1] + '"');
757 
+            }
758 
+        }
759 
+        candidate.network = '1';
760 
+        candidate.id = Math.random().toString(36).substr(2, 10); // not applicable to SDP -- FIXME: should be unique, not just random
761 
+        return candidate;
762 
+    },
763 
+    candidateFromJingle: function (cand) {
764 
+        var line = 'a=candidate:';
765 
+        line += cand.getAttribute('foundation');
766 
+        line += ' ';
767 
+        line += cand.getAttribute('component');
768 
+        line += ' ';
769 
+        line += cand.getAttribute('protocol'); //.toUpperCase(); // chrome M23 doesn't like this
770 
+        line += ' ';
771 
+        line += cand.getAttribute('priority');
772 
+        line += ' ';
773 
+        line += cand.getAttribute('ip');
774 
+        line += ' ';
775 
+        line += cand.getAttribute('port');
776 
+        line += ' ';
777 
+        line += 'typ';
778 
+        line += ' ' + cand.getAttribute('type');
779 
+        line += ' ';
780 
+        switch (cand.getAttribute('type')) {
781 
+            case 'srflx':
782 
+            case 'prflx':
783 
+            case 'relay':
784 
+                if (cand.getAttribute('rel-addr') && cand.getAttribute('rel-port')) {
785 
+                    line += 'raddr';
786 
+                    line += ' ';
787 
+                    line += cand.getAttribute('rel-addr');
788 
+                    line += ' ';
789 
+                    line += 'rport';
790 
+                    line += ' ';
791 
+                    line += cand.getAttribute('rel-port');
792 
+                    line += ' ';
793 
+                }
794 
+                break;
795 
+        }
796 
+        line += 'generation';
797 
+        line += ' ';
798 
+        line += cand.getAttribute('generation') || '0';
799 
+        return line + '\r\n';
800 
+    }
801 
+};

+ 858
- 0
libs/strophe/strophe.jingle.session.js 查看文件 

@@ -0,0 +1,858 @@
1 
+/* jshint -W117 */
2 
+// Jingle stuff
3 
+function JingleSession(me, sid, connection) {
4 
+    this.me = me;
5 
+    this.sid = sid;
6 
+    this.connection = connection;
7 
+    this.initiator = null;
8 
+    this.responder = null;
9 
+    this.isInitiator = null;
10 
+    this.peerjid = null;
11 
+    this.state = null;
12 
+    this.peerconnection = null;
13 
+    this.remoteStream = null;
14 
+    this.localSDP = null;
15 
+    this.remoteSDP = null;
16 
+    this.localStreams = [];
17 
+    this.relayedStreams = [];
18 
+    this.remoteStreams = [];
19 
+    this.startTime = null;
20 
+    this.stopTime = null;
21 
+    this.media_constraints = null;
22 
+    this.pc_constraints = null;
23 
+    this.ice_config = {};
24 
+    this.drip_container = [];
25 
+
26 
+    this.usetrickle = true;
27 
+    this.usepranswer = false; // early transport warmup -- mind you, this might fail. depends on webrtc issue 1718
28 
+    this.usedrip = false; // dripping is sending trickle candidates not one-by-one
29 
+
30 
+    this.hadstuncandidate = false;
31 
+    this.hadturncandidate = false;
32 
+    this.lasticecandidate = false;
33 
+
34 
+    this.statsinterval = null;
35 
+
36 
+    this.reason = null;
37 
+
38 
+    this.addssrc = [];
39 
+    this.removessrc = [];
40 
+    this.pendingop = null;
41 
+
42 
+    this.wait = true;
43 
+}
44 
+
45 
+JingleSession.prototype.initiate = function (peerjid, isInitiator) {
46 
+    var self = this;
47 
+    if (this.state !== null) {
48 
+        console.error('attempt to initiate on session ' + this.sid +
49 
+            'in state ' + this.state);
50 
+        return;
51 
+    }
52 
+    this.isInitiator = isInitiator;
53 
+    this.state = 'pending';
54 
+    this.initiator = isInitiator ? this.me : peerjid;
55 
+    this.responder = !isInitiator ? this.me : peerjid;
56 
+    this.peerjid = peerjid;
57 
+    //console.log('create PeerConnection ' + JSON.stringify(this.ice_config));
58 
+    try {
59 
+        this.peerconnection = new RTCPeerconnection(this.ice_config,
60 
+            this.pc_constraints);
61 
+    } catch (e) {
62 
+        console.error('Failed to create PeerConnection, exception: ',
63 
+            e.message);
64 
+        console.error(e);
65 
+        return;
66 
+    }
67 
+    this.hadstuncandidate = false;
68 
+    this.hadturncandidate = false;
69 
+    this.lasticecandidate = false;
70 
+    this.peerconnection.onicecandidate = function (event) {
71 
+        self.sendIceCandidate(event.candidate);
72 
+    };
73 
+    this.peerconnection.onaddstream = function (event) {
74 
+        self.remoteStream = event.stream;
75 
+        self.remoteStreams.push(event.stream);
76 
+        $(document).trigger('remotestreamadded.jingle', [event, self.sid]);
77 
+    };
78 
+    this.peerconnection.onremovestream = function (event) {
79 
+        self.remoteStream = null;
80 
+        // FIXME: remove from this.remoteStreams
81 
+        $(document).trigger('remotestreamremoved.jingle', [event, self.sid]);
82 
+    };
83 
+    this.peerconnection.onsignalingstatechange = function (event) {
84 
+        if (!(self && self.peerconnection)) return;
85 
+    };
86 
+    this.peerconnection.oniceconnectionstatechange = function (event) {
87 
+        if (!(self && self.peerconnection)) return;
88 
+        switch (self.peerconnection.iceConnectionState) {
89 
+            case 'connected':
90 
+                this.startTime = new Date();
91 
+                break;
92 
+            case 'disconnected':
93 
+                this.stopTime = new Date();
94 
+                break;
95 
+        }
96 
+        $(document).trigger('iceconnectionstatechange.jingle', [self.sid, self]);
97 
+    };
98 
+    // add any local and relayed stream
99 
+    this.localStreams.forEach(function(stream) {
100 
+        self.peerconnection.addStream(stream);
101 
+    });
102 
+    this.relayedStreams.forEach(function(stream) {
103 
+        self.peerconnection.addStream(stream);
104 
+    });
105 
+};
106 
+
107 
+JingleSession.prototype.accept = function () {
108 
+    var self = this;
109 
+    this.state = 'active';
110 
+
111 
+    var pranswer = this.peerconnection.localDescription;
112 
+    if (!pranswer || pranswer.type != 'pranswer') {
113 
+        return;
114 
+    }
115 
+    console.log('going from pranswer to answer');
116 
+    if (this.usetrickle) {
117 
+        // remove candidates already sent from session-accept
118 
+        var lines = SDPUtil.find_lines(pranswer.sdp, 'a=candidate:');
119 
+        for (var i = 0; i < lines.length; i++) {
120 
+            pranswer.sdp = pranswer.sdp.replace(lines[i] + '\r\n', '');
121 
+        }
122 
+    }
123 
+    while (SDPUtil.find_line(pranswer.sdp, 'a=inactive')) {
124 
+        // FIXME: change any inactive to sendrecv or whatever they were originally
125 
+        pranswer.sdp = pranswer.sdp.replace('a=inactive', 'a=sendrecv');
126 
+    }
127 
+    var prsdp = new SDP(pranswer.sdp);
128 
+    var accept = $iq({to: this.peerjid,
129 
+        type: 'set'})
130 
+        .c('jingle', {xmlns: 'urn:xmpp:jingle:1',
131 
+            action: 'session-accept',
132 
+            initiator: this.initiator,
133 
+            responder: this.responder,
134 
+            sid: this.sid });
135 
+    prsdp.toJingle(accept, this.initiator == this.me ? 'initiator' : 'responder');
136 
+    this.connection.sendIQ(accept,
137 
+        function () {
138 
+            var ack = {};
139 
+            ack.source = 'answer';
140 
+            $(document).trigger('ack.jingle', [self.sid, ack]);
141 
+        },
142 
+        function (stanza) {
143 
+            var error = ($(stanza).find('error').length) ? {
144 
+                code: $(stanza).find('error').attr('code'),
145 
+                reason: $(stanza).find('error :first')[0].tagName,
146 
+            }:{};
147 
+            error.source = 'answer';
148 
+            $(document).trigger('error.jingle', [self.sid, error]);
149 
+        },
150 
+        10000);
151 
+
152 
+    var sdp = this.peerconnection.localDescription.sdp;
153 
+    while (SDPUtil.find_line(sdp, 'a=inactive')) {
154 
+        // FIXME: change any inactive to sendrecv or whatever they were originally
155 
+        sdp = sdp.replace('a=inactive', 'a=sendrecv');
156 
+    }
157 
+    this.peerconnection.setLocalDescription(new RTCSessionDescription({type: 'answer', sdp: sdp}),
158 
+        function () {
159 
+            //console.log('setLocalDescription success');
160 
+            $(document).trigger('setLocalDescription.jingle', [self.sid]);
161 
+        },
162 
+        function (e) {
163 
+            console.error('setLocalDescription failed', e);
164 
+        }
165 
+    );
166 
+};
167 
+
168 
+JingleSession.prototype.terminate = function (reason) {
169 
+    this.state = 'ended';
170 
+    this.reason = reason;
171 
+    this.peerconnection.close();
172 
+    if (this.statsinterval !== null) {
173 
+        window.clearInterval(this.statsinterval);
174 
+        this.statsinterval = null;
175 
+    }
176 
+};
177 
+
178 
+JingleSession.prototype.active = function () {
179 
+    return this.state == 'active';
180 
+};
181 
+
182 
+JingleSession.prototype.sendIceCandidate = function (candidate) {
183 
+    var self = this;
184 
+    if (candidate && !this.lasticecandidate) {
185 
+        var ice = SDPUtil.iceparams(this.localSDP.media[candidate.sdpMLineIndex], this.localSDP.session);
186 
+        var jcand = SDPUtil.candidateToJingle(candidate.candidate);
187 
+        if (!(ice && jcand)) {
188 
+            console.error('failed to get ice && jcand');
189 
+            return;
190 
+        }
191 
+        ice.xmlns = 'urn:xmpp:jingle:transports:ice-udp:1';
192 
+
193 
+        if (jcand.type === 'srflx') {
194 
+            this.hadstuncandidate = true;
195 
+        } else if (jcand.type === 'relay') {
196 
+            this.hadturncandidate = true;
197 
+        }
198 
+
199 
+        if (this.usetrickle) {
200 
+            if (this.usedrip) {
201 
+                if (this.drip_container.length === 0) {
202 
+                    // start 20ms callout
203 
+                    window.setTimeout(function () {
204 
+                        if (self.drip_container.length === 0) return;
205 
+                        self.sendIceCandidates(self.drip_container);
206 
+                        self.drip_container = [];
207 
+                    }, 20);
208 
+
209 
+                }
210 
+                this.drip_container.push(event.candidate);
211 
+                return;
212 
+            } else {
213 
+                self.sendIceCandidate([event.candidate]);
214 
+            }
215 
+        }
216 
+    } else {
217 
+        //console.log('sendIceCandidate: last candidate.');
218 
+        if (!this.usetrickle) {
219 
+            //console.log('should send full offer now...');
220 
+            var init = $iq({to: this.peerjid,
221 
+                type: 'set'})
222 
+                .c('jingle', {xmlns: 'urn:xmpp:jingle:1',
223 
+                    action: this.peerconnection.localDescription.type == 'offer' ? 'session-initiate' : 'session-accept',
224 
+                    initiator: this.initiator,
225 
+                    sid: this.sid});
226 
+            this.localSDP = new SDP(this.peerconnection.localDescription.sdp);
227 
+            this.localSDP.toJingle(init, this.initiator == this.me ? 'initiator' : 'responder');
228 
+            this.connection.sendIQ(init,
229 
+                function () {
230 
+                    //console.log('session initiate ack');
231 
+                    var ack = {};
232 
+                    ack.source = 'offer';
233 
+                    $(document).trigger('ack.jingle', [self.sid, ack]);
234 
+                },
235 
+                function (stanza) {
236 
+                    self.state = 'error';
237 
+                    self.peerconnection.close();
238 
+                    var error = ($(stanza).find('error').length) ? {
239 
+                        code: $(stanza).find('error').attr('code'),
240 
+                        reason: $(stanza).find('error :first')[0].tagName,
241 
+                    }:{};
242 
+                    error.source = 'offer';
243 
+                    $(document).trigger('error.jingle', [self.sid, error]);
244 
+                },
245 
+                10000);
246 
+        }
247 
+        this.lasticecandidate = true;
248 
+        console.log('Have we encountered any srflx candidates? ' + this.hadstuncandidate);
249 
+        console.log('Have we encountered any relay candidates? ' + this.hadturncandidate);
250 
+
251 
+        if (!(this.hadstuncandidate || this.hadturncandidate) && this.peerconnection.signalingState != 'closed') {
252 
+            $(document).trigger('nostuncandidates.jingle', [this.sid]);
253 
+        }
254 
+    }
255 
+};
256 
+
257 
+JingleSession.prototype.sendIceCandidates = function (candidates) {
258 
+    console.log('sendIceCandidates', candidates);
259 
+    var cand = $iq({to: this.peerjid, type: 'set'})
260 
+        .c('jingle', {xmlns: 'urn:xmpp:jingle:1',
261 
+            action: 'transport-info',
262 
+            initiator: this.initiator,
263 
+            sid: this.sid});
264 
+    for (var mid = 0; mid < this.localSDP.media.length; mid++) {
265 
+        var cands = candidates.filter(function (el) { return el.sdpMLineIndex == mid; });
266 
+        if (cands.length > 0) {
267 
+            var ice = SDPUtil.iceparams(this.localSDP.media[mid], this.localSDP.session);
268 
+            ice.xmlns = 'urn:xmpp:jingle:transports:ice-udp:1';
269 
+            cand.c('content', {creator: this.initiator == this.me ? 'initiator' : 'responder',
270 
+                name: cands[0].sdpMid
271 
+            }).c('transport', ice);
272 
+            for (var i = 0; i < cands.length; i++) {
273 
+                cand.c('candidate', SDPUtil.candidateToJingle(cands[i].candidate)).up();
274 
+            }
275 
+            // add fingerprint
276 
+            if (SDPUtil.find_line(this.localSDP.media[mid], 'a=fingerprint:', this.localSDP.session)) {
277 
+                var tmp = SDPUtil.parse_fingerprint(SDPUtil.find_line(this.localSDP.media[mid], 'a=fingerprint:', this.localSDP.session));
278 
+                tmp.required = true;
279 
+                cand.c('fingerprint').t(tmp.fingerprint);
280 
+                delete tmp.fingerprint;
281 
+                cand.attrs(tmp);
282 
+                cand.up();
283 
+            }
284 
+            cand.up(); // transport
285 
+            cand.up(); // content
286 
+        }
287 
+    }
288 
+    // might merge last-candidate notification into this, but it is called alot later. See webrtc issue #2340
289 
+    //console.log('was this the last candidate', this.lasticecandidate);
290 
+    this.connection.sendIQ(cand,
291 
+        function () {
292 
+            var ack = {};
293 
+            ack.source = 'transportinfo';
294 
+            $(document).trigger('ack.jingle', [this.sid, ack]);
295 
+        },
296 
+        function (stanza) {
297 
+            var error = ($(stanza).find('error').length) ? {
298 
+                code: $(stanza).find('error').attr('code'),
299 
+                reason: $(stanza).find('error :first')[0].tagName,
300 
+            }:{};
301 
+            error.source = 'transportinfo';
302 
+            $(document).trigger('error.jingle', [this.sid, error]);
303 
+        },
304 
+        10000);
305 
+};
306 
+
307 
+
308 
+JingleSession.prototype.sendOffer = function () {
309 
+    //console.log('sendOffer...');
310 
+    var self = this;
311 
+    this.peerconnection.createOffer(function (sdp) {
312 
+            self.createdOffer(sdp);
313 
+        },
314 
+        function (e) {
315 
+            console.error('createOffer failed', e);
316 
+        },
317 
+        this.media_constraints
318 
+    );
319 
+};
320 
+
321 
+JingleSession.prototype.createdOffer = function (sdp) {
322 
+    //console.log('createdOffer', sdp);
323 
+    var self = this;
324 
+    this.localSDP = new SDP(sdp.sdp);
325 
+    //this.localSDP.mangle();
326 
+    if (this.usetrickle) {
327 
+        var init = $iq({to: this.peerjid,
328 
+            type: 'set'})
329 
+            .c('jingle', {xmlns: 'urn:xmpp:jingle:1',
330 
+                action: 'session-initiate',
331 
+                initiator: this.initiator,
332 
+                sid: this.sid});
333 
+        this.localSDP.toJingle(init, this.initiator == this.me ? 'initiator' : 'responder');
334 
+        this.connection.sendIQ(init,
335 
+            function () {
336 
+                var ack = {};
337 
+                ack.source = 'offer';
338 
+                $(document).trigger('ack.jingle', [self.sid, ack]);
339 
+            },
340 
+            function (stanza) {
341 
+                self.state = 'error';
342 
+                self.peerconnection.close();
343 
+                var error = ($(stanza).find('error').length) ? {
344 
+                    code: $(stanza).find('error').attr('code'),
345 
+                    reason: $(stanza).find('error :first')[0].tagName,
346 
+                }:{};
347 
+                error.source = 'offer';
348 
+                $(document).trigger('error.jingle', [self.sid, error]);
349 
+            },
350 
+            10000);
351 
+    }
352 
+    sdp.sdp = this.localSDP.raw;
353 
+    this.peerconnection.setLocalDescription(sdp,
354 
+        function () {
355 
+            $(document).trigger('setLocalDescription.jingle', [self.sid]);
356 
+            //console.log('setLocalDescription success');
357 
+        },
358 
+        function (e) {
359 
+            console.error('setLocalDescription failed', e);
360 
+        }
361 
+    );
362 
+    var cands = SDPUtil.find_lines(this.localSDP.raw, 'a=candidate:');
363 
+    for (var i = 0; i < cands.length; i++) {
364 
+        var cand = SDPUtil.parse_icecandidate(cands[i]);
365 
+        if (cand.type == 'srflx') {
366 
+            this.hadstuncandidate = true;
367 
+        } else if (cand.type == 'relay') {
368 
+            this.hadturncandidate = true;
369 
+        }
370 
+    }
371 
+};
372 
+
373 
+JingleSession.prototype.setRemoteDescription = function (elem, desctype) {
374 
+    //console.log('setting remote description... ', desctype);
375 
+    this.remoteSDP = new SDP('');
376 
+    this.remoteSDP.fromJingle(elem);
377 
+    if (this.peerconnection.remoteDescription !== null) {
378 
+        console.log('setRemoteDescription when remote description is not null, should be pranswer', this.peerconnection.remoteDescription);
379 
+        if (this.peerconnection.remoteDescription.type == 'pranswer') {
380 
+            var pranswer = new SDP(this.peerconnection.remoteDescription.sdp);
381 
+            for (var i = 0; i < pranswer.media.length; i++) {
382 
+                // make sure we have ice ufrag and pwd
383 
+                if (!SDPUtil.find_line(this.remoteSDP.media[i], 'a=ice-ufrag:', this.remoteSDP.session)) {
384 
+                    if (SDPUtil.find_line(pranswer.media[i], 'a=ice-ufrag:', pranswer.session)) {
385 
+                        this.remoteSDP.media[i] += SDPUtil.find_line(pranswer.media[i], 'a=ice-ufrag:', pranswer.session) + '\r\n';
386 
+                    } else {
387 
+                        console.warn('no ice ufrag?');
388 
+                    }
389 
+                    if (SDPUtil.find_line(pranswer.media[i], 'a=ice-pwd:', pranswer.session)) {
390 
+                        this.remoteSDP.media[i] += SDPUtil.find_line(pranswer.media[i], 'a=ice-pwd:', pranswer.session) + '\r\n';
391 
+                    } else {
392 
+                        console.warn('no ice pwd?');
393 
+                    }
394 
+                }
395 
+                // copy over candidates
396 
+                var lines = SDPUtil.find_lines(pranswer.media[i], 'a=candidate:');
397 
+                for (var j = 0; j < lines.length; j++) {
398 
+                    this.remoteSDP.media[i] += lines[j] + '\r\n';
399 
+                }
400 
+            }
401 
+            this.remoteSDP.raw = this.remoteSDP.session + this.remoteSDP.media.join('');
402 
+        }
403 
+    }
404 
+    var remotedesc = new RTCSessionDescription({type: desctype, sdp: this.remoteSDP.raw});
405 
+
406 
+    this.peerconnection.setRemoteDescription(remotedesc,
407 
+        function () {
408 
+            //console.log('setRemoteDescription success');
409 
+        },
410 
+        function (e) {
411 
+            console.error('setRemoteDescription error', e);
412 
+        }
413 
+    );
414 
+};
415 
+
416 
+JingleSession.prototype.addIceCandidate = function (elem) {
417 
+    var self = this;
418 
+    if (this.peerconnection.signalingState == 'closed') {
419 
+        return;
420 
+    }
421 
+    if (!this.peerconnection.remoteDescription && this.peerconnection.signalingState == 'have-local-offer') {
422 
+        console.log('trickle ice candidate arriving before session accept...');
423 
+        // create a PRANSWER for setRemoteDescription
424 
+        if (!this.remoteSDP) {
425 
+            var cobbled = 'v=0\r\n' +
426 
+                'o=- ' + '1923518516' + ' 2 IN IP4 0.0.0.0\r\n' +// FIXME
427 
+                's=-\r\n' +
428 
+                't=0 0\r\n';
429 
+            // first, take some things from the local description
430 
+            for (var i = 0; i < this.localSDP.media.length; i++) {
431 
+                cobbled += SDPUtil.find_line(this.localSDP.media[i], 'm=') + '\r\n';
432 
+                cobbled += SDPUtil.find_lines(this.localSDP.media[i], 'a=rtpmap:').join('\r\n') + '\r\n';
433 
+                if (SDPUtil.find_line(this.localSDP.media[i], 'a=mid:')) {
434 
+                    cobbled += SDPUtil.find_line(this.localSDP.media[i], 'a=mid:') + '\r\n';
435 
+                }
436 
+                cobbled += 'a=inactive\r\n';
437 
+            }
438 
+            this.remoteSDP = new SDP(cobbled);
439 
+        }
440 
+        // then add things like ice and dtls from remote candidate
441 
+        elem.each(function () {
442 
+            for (var i = 0; i < self.remoteSDP.media.length; i++) {
443 
+                if (SDPUtil.find_line(self.remoteSDP.media[i], 'a=mid:' + $(this).attr('name')) ||
444 
+                    self.remoteSDP.media[i].indexOf('m=' + $(this).attr('name')) === 0) {
445 
+                    if (!SDPUtil.find_line(self.remoteSDP.media[i], 'a=ice-ufrag:')) {
446 
+                        var tmp = $(this).find('transport');
447 
+                        self.remoteSDP.media[i] += 'a=ice-ufrag:' + tmp.attr('ufrag') + '\r\n';
448 
+                        self.remoteSDP.media[i] += 'a=ice-pwd:' + tmp.attr('pwd') + '\r\n';
449 
+                        tmp = $(this).find('transport>fingerprint');
450 
+                        if (tmp.length) {
451 
+                            self.remoteSDP.media[i] += 'a=fingerprint:' + tmp.attr('hash') + ' ' + tmp.text() + '\r\n';
452 
+                        } else {
453 
+                            console.log('no dtls fingerprint (webrtc issue #1718?)');
454 
+                            self.remoteSDP.media[i] += 'a=crypto:1 AES_CM_128_HMAC_SHA1_80 inline:BAADBAADBAADBAADBAADBAADBAADBAADBAADBAAD\r\n';
455 
+                        }
456 
+                        break;
457 
+                    }
458 
+                }
459 
+            }
460 
+        });
461 
+        this.remoteSDP.raw = this.remoteSDP.session + this.remoteSDP.media.join('');
462 
+
463 
+        // we need a complete SDP with ice-ufrag/ice-pwd in all parts
464 
+        // this makes the assumption that the PRANSWER is constructed such that the ice-ufrag is in all mediaparts
465 
+        // but it could be in the session part as well. since the code above constructs this sdp this can't happen however
466 
+        var iscomplete = this.remoteSDP.media.filter(function (mediapart) {
467 
+            return SDPUtil.find_line(mediapart, 'a=ice-ufrag:');
468 
+        }).length == this.remoteSDP.media.length;
469 
+
470 
+        if (iscomplete) {
471 
+            console.log('setting pranswer');
472 
+            try {
473 
+                this.peerconnection.setRemoteDescription(new RTCSessionDescription({type: 'pranswer', sdp: this.remoteSDP.raw }),
474 
+                    function() {
475 
+                    },
476 
+                    function(e) {
477 
+                        console.log('setRemoteDescription pranswer failed', e.toString());
478 
+                    });
479 
+            } catch (e) {
480 
+                console.error('setting pranswer failed', e);
481 
+            }
482 
+        } else {
483 
+            //console.log('not yet setting pranswer');
484 
+        }
485 
+    }
486 
+    // operate on each content element
487 
+    elem.each(function () {
488 
+        // would love to deactivate this, but firefox still requires it
489 
+        var idx = -1;
490 
+        var i;
491 
+        for (i = 0; i < self.remoteSDP.media.length; i++) {
492 
+            if (SDPUtil.find_line(self.remoteSDP.media[i], 'a=mid:' + $(this).attr('name')) ||
493 
+                self.remoteSDP.media[i].indexOf('m=' + $(this).attr('name')) === 0) {
494 
+                idx = i;
495 
+                break;
496 
+            }
497 
+        }
498 
+        if (idx == -1) { // fall back to localdescription
499 
+            for (i = 0; i < self.localSDP.media.length; i++) {
500 
+                if (SDPUtil.find_line(self.localSDP.media[i], 'a=mid:' + $(this).attr('name')) ||
501 
+                    self.localSDP.media[i].indexOf('m=' + $(this).attr('name')) === 0) {
502 
+                    idx = i;
503 
+                    break;
504 
+                }
505 
+            }
506 
+        }
507 
+        var name = $(this).attr('name');
508 
+        // TODO: check ice-pwd and ice-ufrag?
509 
+        $(this).find('transport>candidate').each(function () {
510 
+            var line, candidate;
511 
+            line = SDPUtil.candidateFromJingle(this);
512 
+            candidate = new RTCIceCandidate({sdpMLineIndex: idx,
513 
+                sdpMid: name,
514 
+                candidate: line});
515 
+            try {
516 
+                self.peerconnection.addIceCandidate(candidate);
517 
+            } catch (e) {
518 
+                console.error('addIceCandidate failed', e.toString(), line);
519 
+            }
520 
+        });
521 
+    });
522 
+};
523 
+
524 
+JingleSession.prototype.sendAnswer = function (provisional) {
525 
+    //console.log('createAnswer', provisional);
526 
+    var self = this;
527 
+    this.peerconnection.createAnswer(
528 
+        function (sdp) {
529 
+            self.createdAnswer(sdp, provisional);
530 
+        },
531 
+        function (e) {
532 
+            console.error('createAnswer failed', e);
533 
+        },
534 
+        this.media_constraints
535 
+    );
536 
+};
537 
+
538 
+JingleSession.prototype.createdAnswer = function (sdp, provisional) {
539 
+    //console.log('createAnswer callback');
540 
+    var self = this;
541 
+    this.localSDP = new SDP(sdp.sdp);
542 
+    //this.localSDP.mangle();
543 
+    this.usepranswer = provisional === true;
544 
+    if (this.usetrickle) {
545 
+        if (!this.usepranswer) {
546 
+            var accept = $iq({to: this.peerjid,
547 
+                type: 'set'})
548 
+                .c('jingle', {xmlns: 'urn:xmpp:jingle:1',
549 
+                    action: 'session-accept',
550 
+                    initiator: this.initiator,
551 
+                    responder: this.responder,
552 
+                    sid: this.sid });
553 
+            this.localSDP.toJingle(accept, this.initiator == this.me ? 'initiator' : 'responder');
554 
+            this.connection.sendIQ(accept,
555 
+                function () {
556 
+                    var ack = {};
557 
+                    ack.source = 'answer';
558 
+                    $(document).trigger('ack.jingle', [self.sid, ack]);
559 
+                },
560 
+                function (stanza) {
561 
+                    var error = ($(stanza).find('error').length) ? {
562 
+                        code: $(stanza).find('error').attr('code'),
563 
+                        reason: $(stanza).find('error :first')[0].tagName,
564 
+                    }:{};
565 
+                    error.source = 'answer';
566 
+                    $(document).trigger('error.jingle', [self.sid, error]);
567 
+                },
568 
+                10000);
569 
+        } else {
570 
+            sdp.type = 'pranswer';
571 
+            for (var i = 0; i < this.localSDP.media.length; i++) {
572 
+                this.localSDP.media[i] = this.localSDP.media[i].replace('a=sendrecv\r\n', 'a=inactive\r\n');
573 
+            }
574 
+            this.localSDP.raw = this.localSDP.session + '\r\n' + this.localSDP.media.join('');
575 
+        }
576 
+    }
577 
+    sdp.sdp = this.localSDP.raw;
578 
+    this.peerconnection.setLocalDescription(sdp,
579 
+        function () {
580 
+            $(document).trigger('setLocalDescription.jingle', [self.sid]);
581 
+            //console.log('setLocalDescription success');
582 
+        },
583 
+        function (e) {
584 
+            console.error('setLocalDescription failed', e);
585 
+        }
586 
+    );
587 
+    var cands = SDPUtil.find_lines(this.localSDP.raw, 'a=candidate:');
588 
+    for (var j = 0; j < cands.length; j++) {
589 
+        var cand = SDPUtil.parse_icecandidate(cands[j]);
590 
+        if (cand.type == 'srflx') {
591 
+            this.hadstuncandidate = true;
592 
+        } else if (cand.type == 'relay') {
593 
+            this.hadturncandidate = true;
594 
+        }
595 
+    }
596 
+};
597 
+
598 
+JingleSession.prototype.sendTerminate = function (reason, text) {
599 
+    var self = this,
600 
+        term = $iq({to: this.peerjid,
601 
+            type: 'set'})
602 
+            .c('jingle', {xmlns: 'urn:xmpp:jingle:1',
603 
+                action: 'session-terminate',
604 
+                initiator: this.initiator,
605 
+                sid: this.sid})
606 
+            .c('reason')
607 
+            .c(reason || 'success');
608 
+
609 
+    if (text) {
610 
+        term.up().c('text').t(text);
611 
+    }
612 
+
613 
+    this.connection.sendIQ(term,
614 
+        function () {
615 
+            self.peerconnection.close();
616 
+            self.peerconnection = null;
617 
+            self.terminate();
618 
+            var ack = {};
619 
+            ack.source = 'terminate';
620 
+            $(document).trigger('ack.jingle', [self.sid, ack]);
621 
+        },
622 
+        function (stanza) {
623 
+            var error = ($(stanza).find('error').length) ? {
624 
+                code: $(stanza).find('error').attr('code'),
625 
+                reason: $(stanza).find('error :first')[0].tagName,
626 
+            }:{};
627 
+            $(document).trigger('ack.jingle', [self.sid, error]);
628 
+        },
629 
+        10000);
630 
+    if (this.statsinterval !== null) {
631 
+        window.clearInterval(this.statsinterval);
632 
+        this.statsinterval = null;
633 
+    }
634 
+};
635 
+
636 
+
637 
+JingleSession.prototype.addSource = function (elem) {
638 
+    console.log('addssrc', new Date().getTime());
639 
+    console.log('ice', this.peerconnection.iceConnectionState);
640 
+    var sdp = new SDP(this.peerconnection.remoteDescription.sdp);
641 
+
642 
+    var self = this;
643 
+    $(elem).each(function (idx, content) {
644 
+        var name = $(content).attr('name');
645 
+        var lines = '';
646 
+        tmp = $(content).find('>source[xmlns="urn:xmpp:jingle:apps:rtp:ssma:0"]');
647 
+        tmp.each(function () {
648 
+            var ssrc = $(this).attr('ssrc');
649 
+            $(this).find('>parameter').each(function () {
650 
+                lines += 'a=ssrc:' + ssrc + ' ' + $(this).attr('name');
651 
+                if ($(this).attr('value') && $(this).attr('value').length)
652 
+                    lines += ':' + $(this).attr('value');
653 
+                lines += '\r\n';
654 
+            });
655 
+        });
656 
+        sdp.media.forEach(function(media, idx) {
657 
+            if (!SDPUtil.find_line(media, 'a=mid:' + name))
658 
+                return;
659 
+            sdp.media[idx] += lines;
660 
+            if (!self.addssrc[idx]) self.addssrc[idx] = '';
661 
+            self.addssrc[idx] += lines;
662 
+        });
663 
+        sdp.raw = sdp.session + sdp.media.join('');
664 
+    });
665 
+    this.modifySources();
666 
+};
667 
+
668 
+JingleSession.prototype.removeSource = function (elem) {
669 
+    console.log('removessrc', new Date().getTime());
670 
+    console.log('ice', this.peerconnection.iceConnectionState);
671 
+    var sdp = new SDP(this.peerconnection.remoteDescription.sdp);
672 
+
673 
+    var self = this;
674 
+    $(elem).each(function (idx, content) {
675 
+        var name = $(content).attr('name');
676 
+        var lines = '';
677 
+        tmp = $(content).find('>source[xmlns="urn:xmpp:jingle:apps:rtp:ssma:0"]');
678 
+        tmp.each(function () {
679 
+            var ssrc = $(this).attr('ssrc');
680 
+            $(this).find('>parameter').each(function () {
681 
+                lines += 'a=ssrc:' + ssrc + ' ' + $(this).attr('name');
682 
+                if ($(this).attr('value') && $(this).attr('value').length)
683 
+                    lines += ':' + $(this).attr('value');
684 
+                lines += '\r\n';
685 
+            });
686 
+        });
687 
+        sdp.media.forEach(function(media, idx) {
688 
+            if (!SDPUtil.find_line(media, 'a=mid:' + name))
689 
+                return;
690 
+            sdp.media[idx] += lines;
691 
+            if (!self.removessrc[idx]) self.removessrc[idx] = '';
692 
+            self.removessrc[idx] += lines;
693 
+        });
694 
+        sdp.raw = sdp.session + sdp.media.join('');
695 
+    });
696 
+    this.modifySources();
697 
+};
698 
+
699 
+JingleSession.prototype.modifySources = function() {
700 
+    var self = this;
701 
+    if (this.peerconnection.signalingState == 'closed') return;
702 
+    if (!(this.addssrc.length || this.removessrc.length || this.pendingop !== null)) return;
703 
+    if (!(this.peerconnection.signalingState == 'stable' && this.peerconnection.iceConnectionState == 'connected')) {
704 
+        console.warn('modifySources not yet', this.peerconnection.signalingState, this.peerconnection.iceConnectionState);
705 
+        this.wait = true;
706 
+        window.setTimeout(function() { self.modifySources(); }, 250);
707 
+        return;
708 
+    }
709 
+    if (this.wait) {
710 
+        window.setTimeout(function() { self.modifySources(); }, 2500);
711 
+        this.wait = false;
712 
+        return;
713 
+    }
714 
+
715 
+    var sdp = new SDP(this.peerconnection.remoteDescription.sdp);
716 
+
717 
+    // add sources
718 
+    this.addssrc.forEach(function(lines, idx) {
719 
+        sdp.media[idx] += lines;
720 
+    });
721 
+    this.addssrc = [];
722 
+
723 
+    // remove sources
724 
+    this.removessrc.forEach(function(lines, idx) {
725 
+        lines = lines.split('\r\n');
726 
+        lines.pop(); // remove empty last element;
727 
+        lines.forEach(function(line) {
728 
+            sdp.media[idx] = sdp.media[idx].replace(line + '\r\n', '');
729 
+        });
730 
+    });
731 
+    this.removessrc = [];
732 
+
733 
+    sdp.raw = sdp.session + sdp.media.join('');
734 
+    this.peerconnection.setRemoteDescription(new RTCSessionDescription({type: 'offer', sdp: sdp.raw}),
735 
+        function() {
736 
+            self.peerconnection.createAnswer(
737 
+                function(modifiedAnswer) {
738 
+                    // change video direction, see https://github.com/jitsi/jitmeet/issues/41
739 
+                    if (self.pendingop !== null) {
740 
+                        var sdp = new SDP(modifiedAnswer.sdp);
741 
+                        if (sdp.media.length > 1) {
742 
+                            switch(self.pendingop) {
743 
+                                case 'mute':
744 
+                                    sdp.media[1] = sdp.media[1].replace('a=sendrecv', 'a=recvonly');
745 
+                                    break;
746 
+                                case 'unmute':
747 
+                                    sdp.media[1] = sdp.media[1].replace('a=recvonly', 'a=sendrecv');
748 
+                                    break;
749 
+                            }
750 
+                            sdp.raw = sdp.session + sdp.media.join('');
751 
+                            modifiedAnswer.sdp = sdp.raw;
752 
+                        }
753 
+                        self.pendingop = null;
754 
+                    }
755 
+
756 
+                    self.peerconnection.setLocalDescription(modifiedAnswer,
757 
+                        function() {
758 
+                            //console.log('modified setLocalDescription ok');
759 
+                            $(document).trigger('setLocalDescription.jingle', [self.sid]);
760 
+                        },
761 
+                        function(error) {
762 
+                            console.log('modified setLocalDescription failed');
763 
+                        }
764 
+                    );
765 
+                },
766 
+                function(error) {
767 
+                    console.log('modified answer failed');
768 
+                }
769 
+            );
770 
+        },
771 
+        function(error) {
772 
+            console.log('modify failed');
773 
+        }
774 
+    );
775 
+};
776 
+
777 
+// SDP-based mute by going recvonly/sendrecv
778 
+// FIXME: should probably black out the screen as well
779 
+JingleSession.prototype.hardMuteVideo = function (muted) {
780 
+    this.pendingop = muted ? 'mute' : 'unmute';
781 
+    this.modifySources();
782 
+
783 
+    this.connection.jingle.localStream.getVideoTracks().forEach(function (track) {
784 
+        track.enabled = !muted;
785 
+    });
786 
+};
787 
+
788 
+JingleSession.prototype.sendMute = function (muted, content) {
789 
+    var info = $iq({to: this.peerjid,
790 
+        type: 'set'})
791 
+        .c('jingle', {xmlns: 'urn:xmpp:jingle:1',
792 
+            action: 'session-info',
793 
+            initiator: this.initiator,
794 
+            sid: this.sid });
795 
+    info.c(muted ? 'mute' : 'unmute', {xmlns: 'urn:xmpp:jingle:apps:rtp:info:1'});
796 
+    info.attrs({'creator': this.me == this.initiator ? 'creator' : 'responder'});
797 
+    if (content) {
798 
+        info.attrs({'name': content});
799 
+    }
800 
+    this.connection.send(info);
801 
+};
802 
+
803 
+JingleSession.prototype.sendRinging = function () {
804 
+    var info = $iq({to: this.peerjid,
805 
+        type: 'set'})
806 
+        .c('jingle', {xmlns: 'urn:xmpp:jingle:1',
807 
+            action: 'session-info',
808 
+            initiator: this.initiator,
809 
+            sid: this.sid });
810 
+    info.c('ringing', {xmlns: 'urn:xmpp:jingle:apps:rtp:info:1'});
811 
+    this.connection.send(info);
812 
+};
813 
+
814 
+JingleSession.prototype.getStats = function (interval) {
815 
+    var self = this;
816 
+    var recv = {audio: 0, video: 0};
817 
+    var lost = {audio: 0, video: 0};
818 
+    var lastrecv = {audio: 0, video: 0};
819 
+    var lastlost = {audio: 0, video: 0};
820 
+    var loss = {audio: 0, video: 0};
821 
+    var delta = {audio: 0, video: 0};
822 
+    this.statsinterval = window.setInterval(function () {
823 
+        if (self && self.peerconnection && self.peerconnection.getStats) {
824 
+            self.peerconnection.getStats(function (stats) {
825 
+                var results = stats.result();
826 
+                // TODO: there are so much statistics you can get from this..
827 
+                for (var i = 0; i < results.length; ++i) {
828 
+                    if (results[i].type == 'ssrc') {
829 
+                        var packetsrecv = results[i].stat('packetsReceived');
830 
+                        var packetslost = results[i].stat('packetsLost');
831 
+                        if (packetsrecv && packetslost) {
832 
+                            packetsrecv = parseInt(packetsrecv, 10);
833 
+                            packetslost = parseInt(packetslost, 10);
834 
+
835 
+                            if (results[i].stat('googFrameRateReceived')) {
836 
+                                lastlost.video = lost.video;
837 
+                                lastrecv.video = recv.video;
838 
+                                recv.video = packetsrecv;
839 
+                                lost.video = packetslost;
840 
+                            } else {
841 
+                                lastlost.audio = lost.audio;
842 
+                                lastrecv.audio = recv.audio;
843 
+                                recv.audio = packetsrecv;
844 
+                                lost.audio = packetslost;
845 
+                            }
846 
+                        }
847 
+                    }
848 
+                }
849 
+                delta.audio = recv.audio - lastrecv.audio;
850 
+                delta.video = recv.video - lastrecv.video;
851 
+                loss.audio = (delta.audio > 0) ? Math.ceil(100 * (lost.audio - lastlost.audio) / delta.audio) : 0;
852 
+                loss.video = (delta.video > 0) ? Math.ceil(100 * (lost.video - lastlost.video) / delta.video) : 0;
853 
+                $(document).trigger('packetloss.jingle', [self.sid, loss]);
854 
+            });
855 
+        }
856 
+    }, interval || 3000);
857 
+    return this.statsinterval;
858 
+};

+ 0
- 2304
libs/strophejingle.bundle.js
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