Fixes race condition for the mute status for the remote tracks.

lib-jitsi-meet.js

     this.videoType = data.videoType;
     this.ssrc = ssrc;
     this.muted = false;
+    if((this.type === JitsiTrack.AUDIO && data.audiomuted)
+      || (this.type === JitsiTrack.VIDEO && data.videomuted)) {
+        this.muted = true
+    }
     this.eventEmitter = eventEmitter;
     var self = this;
     if(this.stream)
 
 RTC.prototype.createRemoteStream = function (data, sid, thessrc) {
     var remoteStream = new JitsiRemoteTrack(this, data, sid, thessrc,
-        RTCBrowserType.getBrowserType(), this.eventEmitter);
+        this.eventEmitter);
     if(!data.peerjid)
         return;
     var jid = data.peerjid;
     }
 };
 
-function ChatRoom(connection, jid, password, XMPP, options)
-{
+/**
+ * Returns array of JS objects from the presence JSON associated with the passed nodeName
+ * @param pres the presence JSON
+ * @param nodeName the name of the node (videomuted, audiomuted, etc)
+ */
+function filterNodeFromPresenceJSON(pres, nodeName){
+    var res = [];
+    for(var i = 0; i < pres.length; i++)
+        if(pres[i].tagName === nodeName)
+            res.push(pres[i]);
+
+    return res;
+}
+
+function ChatRoom(connection, jid, password, XMPP, options) {
     this.eventEmitter = new EventEmitter();
     this.xmpp = XMPP;
     this.connection = connection;
     this.initPresenceMap();
     this.session = null;
     var self = this;
+    this.lastPresences = {};
 }
 
 ChatRoom.prototype.initPresenceMap = function () {
     $(pres).find(">x").remove();
     var nodes = [];
     parser.packet2JSON(pres, nodes);
+    this.lastPresences[from] = nodes;
     for(var i = 0; i < nodes.length; i++)
     {
         var node = nodes[i];
 
 ChatRoom.prototype.onParticipantLeft = function (jid) {
 
+    delete this.lastPresences[jid];
     this.eventEmitter.emit(XMPPEvents.MUC_MEMBER_LEFT, jid);
 
     this.moderator.onMucMemberLeft(jid);
 };
 
 ChatRoom.prototype.remoteStreamAdded = function(data, sid, thessrc) {
+    if(this.lastPresences[data.peerjid])
+    {
+        var pres = this.lastPresences[data.peerjid];
+        var audiomuted = filterNodeFromPresenceJSON(pres, "audiomuted");
+        var videomuted = filterNodeFromPresenceJSON(pres, "videomuted");
+        data.videomuted = ((videomuted.length > 0
+            && videomuted[0]
+            && videomuted[0]["value"] === "true")? true : false);
+        data.audiomuted = ((audiomuted.length > 0
+            && audiomuted[0]
+            && audiomuted[0]["value"] === "true")? true : false);
+    }
+
     this.eventEmitter.emit(XMPPEvents.REMOTE_STREAM_RECEIVED, data, sid, thessrc);
 }
 

modules/RTC/JitsiRemoteTrack.js

     this.videoType = data.videoType;
     this.ssrc = ssrc;
     this.muted = false;
+    if((this.type === JitsiTrack.AUDIO && data.audiomuted)
+      || (this.type === JitsiTrack.VIDEO && data.videomuted)) {
+        this.muted = true
+    }
     this.eventEmitter = eventEmitter;
     var self = this;
     if(this.stream)

modules/RTC/RTC.js

 
 RTC.prototype.createRemoteStream = function (data, sid, thessrc) {
     var remoteStream = new JitsiRemoteTrack(this, data, sid, thessrc,
-        RTCBrowserType.getBrowserType(), this.eventEmitter);
+        this.eventEmitter);
     if(!data.peerjid)
         return;
     var jid = data.peerjid;

modules/xmpp/ChatRoom.js

     }
 };
 
-function ChatRoom(connection, jid, password, XMPP, options)
-{
+/**
+ * Returns array of JS objects from the presence JSON associated with the passed nodeName
+ * @param pres the presence JSON
+ * @param nodeName the name of the node (videomuted, audiomuted, etc)
+ */
+function filterNodeFromPresenceJSON(pres, nodeName){
+    var res = [];
+    for(var i = 0; i < pres.length; i++)
+        if(pres[i].tagName === nodeName)
+            res.push(pres[i]);
+
+    return res;
+}
+
+function ChatRoom(connection, jid, password, XMPP, options) {
     this.eventEmitter = new EventEmitter();
     this.xmpp = XMPP;
     this.connection = connection;
     this.initPresenceMap();
     this.session = null;
     var self = this;
+    this.lastPresences = {};
 }
 
 ChatRoom.prototype.initPresenceMap = function () {
     $(pres).find(">x").remove();
     var nodes = [];
     parser.packet2JSON(pres, nodes);
+    this.lastPresences[from] = nodes;
     for(var i = 0; i < nodes.length; i++)
     {
         var node = nodes[i];
 
 ChatRoom.prototype.onParticipantLeft = function (jid) {
 
+    delete this.lastPresences[jid];
     this.eventEmitter.emit(XMPPEvents.MUC_MEMBER_LEFT, jid);
 
     this.moderator.onMucMemberLeft(jid);
 };
 
 ChatRoom.prototype.remoteStreamAdded = function(data, sid, thessrc) {
+    if(this.lastPresences[data.peerjid])
+    {
+        var pres = this.lastPresences[data.peerjid];
+        var audiomuted = filterNodeFromPresenceJSON(pres, "audiomuted");
+        var videomuted = filterNodeFromPresenceJSON(pres, "videomuted");
+        data.videomuted = ((videomuted.length > 0
+            && videomuted[0]
+            && videomuted[0]["value"] === "true")? true : false);
+        data.audiomuted = ((audiomuted.length > 0
+            && audiomuted[0]
+            && audiomuted[0]["value"] === "true")? true : false);
+    }
+
     this.eventEmitter.emit(XMPPEvents.REMOTE_STREAM_RECEIVED, data, sid, thessrc);
 }