Fixes broken video muting.

app.js

 
 function toggleVideo() {
     if (!(connection && connection.jingle.localVideo)) return;
-    var ismuted = false;
-    var localVideo = connection.jingle.localVideo;
-    for (var idx = 0; idx < localVideo.getVideoTracks().length; idx++) {
-        ismuted = !localVideo.getVideoTracks()[idx].enabled;
-    }
-    for (var idx = 0; idx < localVideo.getVideoTracks().length; idx++) {
-        localVideo.getVideoTracks()[idx].enabled = !localVideo.getVideoTracks()[idx].enabled;
-    }
+
     var sess = getConferenceHandler();
     if (sess) {
-        return;
+        sess.toggleVideoMute(
+            function(isMuted){
+                if(isMuted) {
+                    $('#video').removeClass("fa fa-video-camera fa-lg");
+                    $('#video').addClass("fa fa-video-camera no-fa-video-camera fa-lg");
+                } else {
+                    $('#video').removeClass("fa fa-video-camera no-fa-video-camera fa-lg");
+                    $('#video').addClass("fa fa-video-camera fa-lg");
+                }
+            }
+        );
     }
-    sess.peerconnection.pendingop = ismuted ? 'unmute' : 'mute';
-    sess.peerconnection.modifySources();
 }
 
 function toggleAudio() {

index.html

             <a class="button" onclick='buttonClick("#mute", "fa fa-microphone fa-lg fa fa-microphone-slash fa-lg");toggleAudio();'>
                 <i id="mute" title="Mute / unmute" class="fa fa-microphone fa-lg"></i></a>
             <div class="header_button_separator"></div>
-            <a class="button" onclick='buttonClick("#video", "fa fa-video-camera fa-lg fa fa-video-camera no-fa-video-camera fa-lg");toggleVideo();'>
+            <a class="button" onclick='buttonClick("#video");toggleVideo();'>
                 <i id="video" title="Start / stop camera" class="fa fa-video-camera fa-lg"></i></a>
             <div class="header_button_separator"></div>
             <a class="button" onclick="openLockDialog();"><i id="lockIcon" title="Lock/unlock room" class="fa fa-unlock fa-lg"></i></a>

libs/strophe/strophe.jingle.adapter.js

 
 TraceablePeerConnection.prototype.hardMuteVideo = function (muted) {
     this.pendingop = muted ? 'mute' : 'unmute';
-    this.modifySources();
 };
 
 TraceablePeerConnection.prototype.enqueueAddSsrc = function(channel, ssrcLines) {
                             switch(self.pendingop) {
                                 case 'mute':
                                     sdp.media[1] = sdp.media[1].replace('a=sendrecv', 'a=recvonly');
+                                    console.error("MUTE");
                                     break;
                                 case 'unmute':
                                     sdp.media[1] = sdp.media[1].replace('a=recvonly', 'a=sendrecv');
+                                    console.error("UNMUTE");
                                     break;
                             }
                             sdp.raw = sdp.session + sdp.media.join('');

libs/strophe/strophe.jingle.sessionbase.js

 
 // SDP-based mute by going recvonly/sendrecv
 // FIXME: should probably black out the screen as well
-SessionBase.prototype.hardMuteVideo = function (muted) {
+SessionBase.prototype.toggleVideoMute = function (callback) {
 
-    this.peerconnection.hardMuteVideo(muted);
+    var ismuted = false;
+    var localVideo = connection.jingle.localVideo;
+    for (var idx = 0; idx < localVideo.getVideoTracks().length; idx++) {
+        ismuted = !localVideo.getVideoTracks()[idx].enabled;
+    }
+    for (var idx = 0; idx < localVideo.getVideoTracks().length; idx++) {
+        localVideo.getVideoTracks()[idx].enabled = !localVideo.getVideoTracks()[idx].enabled;
+    }
 
-    this.connection.jingle.localVideo.getVideoTracks().forEach(function (track) {
-        track.enabled = !muted;
-    });
+    this.peerconnection.hardMuteVideo(!ismuted);
+    this.modifySources(callback(!ismuted));
 };