Fixes audio level interface in the single user in conference case.

app.js

     data.stream.onended = function () {
         console.log('stream ended', this.id);
 
-        // Mark video as removed to cancel waiting loop(if video is removed before has started)
+        // Mark video as removed to cancel waiting loop(if video is removed
+        // before has started)
         sel.removed = true;
         sel.remove();
 
         var peerStats = statsCollector.jid2stats[jid];
         Object.keys(peerStats.ssrc2AudioLevel).forEach(function (ssrc)
         {
-            if (jid !== connection.emuc.myRoomJid)
-                AudioLevels.updateAudioLevel(   Strophe.getResourceFromJid(jid),
-                                                peerStats.ssrc2AudioLevel[ssrc]);
+            AudioLevels.updateAudioLevel(   Strophe.getResourceFromJid(jid),
+                                            peerStats.ssrc2AudioLevel[ssrc]);
         });
     });
 }
  */
 function localStatsUpdated(statsCollector)
 {
-    if (connection.emuc.myRoomJid)
-        AudioLevels.updateAudioLevel(
-                Strophe.getResourceFromJid(connection.emuc.myRoomJid),
-                statsCollector.audioLevel);
+    AudioLevels.updateAudioLevel(
+            AudioLevels.LOCAL_LEVEL,
+            statsCollector.audioLevel);
 }
 
 /**

audio_levels.js

     var SHADOW_COLOR = '#00ccff';
     var audioLevelCanvasCache = {};
 
+    my.LOCAL_LEVEL = 'local';
+
     /**
      * Updates the audio level canvas for the given peerJid. If the canvas
      * didn't exist we create it.
     my.updateAudioLevel = function (resourceJid, audioLevel) {
         drawAudioLevelCanvas(resourceJid, audioLevel);
 
-        var videoSpanId = null;
-        if (resourceJid
-                === Strophe.getResourceFromJid(connection.emuc.myroomjid))
-            videoSpanId = 'localVideoContainer';
-        else
-            videoSpanId = 'participant_' + resourceJid;
+        var videoSpanId = getVideoSpanId(resourceJid);
 
         var audioLevelCanvas = $('#' + videoSpanId + '>canvas').get(0);
 
         if (!audioLevelCanvas)
-            return ;
+            return;
 
         var drawContext = audioLevelCanvas.getContext('2d');
 
         drawContext.drawImage(canvasCache, 0, 0);
     };
 
+    /**
+     * Resizes the given audio level canvas to match the given thumbnail size.
+     */
     function resizeAudioLevelCanvas(audioLevelCanvas,
                                     thumbnailWidth,
                                     thumbnailHeight) {
      */
     function drawAudioLevelCanvas(resourceJid, audioLevel) {
         if (!audioLevelCanvasCache[resourceJid]) {
-            var videoSpanId = null;
-            if (resourceJid
-                    === Strophe.getResourceFromJid(connection.emuc.myroomjid))
-                videoSpanId = 'localVideoContainer';
-            else
-                videoSpanId = 'participant_' + resourceJid;
+
+            var videoSpanId = getVideoSpanId(resourceJid);
 
             var audioLevelCanvasOrig = $('#' + videoSpanId + '>canvas').get(0);
 
         return shadowLevel;
     };
 
+    /**
+     * Returns the video span id corresponding to the given resourceJid or local
+     * user.
+     */
+    function getVideoSpanId(resourceJid) {
+        var videoSpanId = null;
+        if (resourceJid === AudioLevels.LOCAL_LEVEL
+                || (connection.emuc.myroomjid && resourceJid
+                    === Strophe.getResourceFromJid(connection.emuc.myroomjid)))
+            videoSpanId = 'localVideoContainer';
+        else
+            videoSpanId = 'participant_' + resourceJid;
+
+        return videoSpanId;
+    };
+
     /**
      * Indicates that the remote video has been resized.
      */