Adds audio levels for the active speaker avatar.

audio_levels.js

@@ -21,7 +21,7 @@ var AudioLevels = (function(my) {
             videoSpanId = 'participant_' + resourceJid;
         }
 
-        videoSpan = document.getElementById(videoSpanId);
+        var videoSpan = document.getElementById(videoSpanId);
 
         if (!videoSpan) {
             if (resourceJid)
@@ -35,8 +35,7 @@ var AudioLevels = (function(my) {
         var audioLevelCanvas = $('#' + videoSpanId + '>canvas');
 
         var videoSpaceWidth = $('#remoteVideos').width();
-        var thumbnailSize
-            = VideoLayout.calculateThumbnailSize(videoSpaceWidth);
+        var thumbnailSize = VideoLayout.calculateThumbnailSize(videoSpaceWidth);
         var thumbnailWidth = thumbnailSize[0];
         var thumbnailHeight = thumbnailSize[1];
 
@@ -84,6 +83,50 @@ var AudioLevels = (function(my) {
         drawContext.clearRect (0, 0,
                 audioLevelCanvas.width, audioLevelCanvas.height);
         drawContext.drawImage(canvasCache, 0, 0);
+
+        if(resourceJid === AudioLevels.LOCAL_LEVEL) {
+            resourceJid = Strophe.getResourceFromJid(connection.emuc.myroomjid);
+        }
+
+        if(resourceJid  === VideoLayout.getLargeVideoState().userResourceJid) {
+            AudioLevels.updateActiveSpeakerAudioLevel(audioLevel);
+        }
+    };
+
+    my.updateActiveSpeakerAudioLevel = function(audioLevel) {
+        var drawContext = $('#activeSpeakerAudioLevel')[0].getContext('2d');
+        var r = interfaceConfig.ACTIVE_SPEAKER_AVATAR_SIZE / 2;
+        var center = (interfaceConfig.ACTIVE_SPEAKER_AVATAR_SIZE + r) / 2;
+
+        // Save the previous state of the context.
+        drawContext.save();
+
+        drawContext.clearRect(0, 0, 300, 300);
+
+        // Draw a circle.
+        drawContext.arc(center, center, r, 0, 2 * Math.PI);
+
+        // Add a shadow around the circle
+        drawContext.shadowColor = interfaceConfig.SHADOW_COLOR;
+        drawContext.shadowBlur = getShadowLevel(audioLevel);
+        drawContext.shadowOffsetX = 0;
+        drawContext.shadowOffsetY = 0;
+
+        // Fill the shape.
+        drawContext.fill();
+
+        drawContext.save();
+
+        drawContext.restore();
+
+
+        drawContext.arc(center, center, r, 0, 2 * Math.PI);
+
+        drawContext.clip();
+        drawContext.clearRect(0, 0, 277, 200);
+
+        // Restore the previous context state.
+        drawContext.restore();
     };
 
     /**
@@ -94,7 +137,7 @@ var AudioLevels = (function(my) {
                                     thumbnailHeight) {
         audioLevelCanvas.width = thumbnailWidth + interfaceConfig.CANVAS_EXTRA;
         audioLevelCanvas.height = thumbnailHeight + interfaceConfig.CANVAS_EXTRA;
-    };
+    }
 
     /**
      * Draws the audio level canvas into the cached canvas object.
@@ -143,7 +186,7 @@ var AudioLevels = (function(my) {
                 interfaceConfig.CANVAS_RADIUS,
                 interfaceConfig.SHADOW_COLOR,
                 shadowLevel);
-    };
+    }
 
     /**
      * Returns the shadow/glow level for the given audio level.
@@ -164,7 +207,7 @@ var AudioLevels = (function(my) {
             shadowLevel = Math.round(interfaceConfig.CANVAS_EXTRA/2*((audioLevel - 0.6) / 0.4));
         }
         return shadowLevel;
-    };
+    }
 
     /**
      * Returns the video span id corresponding to the given resourceJid or local
@@ -180,7 +223,7 @@ var AudioLevels = (function(my) {
             videoSpanId = 'participant_' + resourceJid;
 
         return videoSpanId;
-    };
+    }
 
     /**
      * Indicates that the remote video has been resized.

avatar.js

@@ -78,6 +78,7 @@ var Avatar = (function(my) {
             if (activeSpeakerJid === jid && VideoLayout.isLargeVideoOnTop()) {
                 setVisibility($("#largeVideo"), !show);
                 setVisibility($('#activeSpeakerAvatar'), show);
+                setVisibility($('#activeSpeakerAudioLevel'), show);
                 setVisibility(avatar, false);
                 setVisibility(video, false);
             } else {

css/videolayout_default.css

@@ -377,6 +377,13 @@
     pointer-events: none;
 }
 
+#activeSpeakerAudioLevel {
+    visibility: hidden;
+    position: absolute;
+    top: 113px;
+    z-index: 1;
+}
+
 #mixedstream {
     display:none !important;
 }
@@ -388,6 +395,7 @@
     margin: auto;
     position: relative;
     border-radius: 50px;
+    z-index: 2;
 }
 
 .userAvatar {

index.html

@@ -49,12 +49,12 @@
     <script src="analytics.js?v=1"></script><!-- google analytics plugin -->
     <script src="rtp_sts.js?v=5"></script><!-- RTP stats processing -->
     <script src="local_sts.js?v=2"></script><!-- Local stats processing -->
-    <script src="videolayout.js?v=29"></script><!-- video ui -->
+    <script src="videolayout.js?v=30"></script><!-- video ui -->
     <script src="connectionquality.js?v=1"></script>
     <script src="toolbar.js?v=6"></script><!-- toolbar ui -->
     <script src="toolbar_toggler.js?v=2"></script>
     <script src="canvas_util.js?v=1"></script><!-- canvas drawing utils -->
-    <script src="audio_levels.js?v=2"></script><!-- audio levels plugin -->
+    <script src="audio_levels.js?v=3"></script><!-- audio levels plugin -->
     <script src="media_stream.js?v=2"></script><!-- media stream -->
     <script src="bottom_toolbar.js?v=6"></script><!-- media stream -->
     <script src="moderator.js?v=2"></script><!-- media stream -->
@@ -66,11 +66,11 @@
     <script src="message_handler.js?v=2"></script>
     <script src="api_connector.js?v=2"></script>
     <script src="settings_menu.js?v=1"></script>
-    <script src="avatar.js?v=1"></script><!-- avatars -->
+    <script src="avatar.js?v=2"></script><!-- avatars -->
     <link rel="stylesheet" href="css/font.css?v=6"/>
     <link rel="stylesheet" href="css/toastr.css?v=1">
     <link rel="stylesheet" type="text/css" media="screen" href="css/main.css?v=30"/>
-    <link rel="stylesheet" type="text/css" media="screen" href="css/videolayout_default.css?v=14" id="videolayout_default"/>
+    <link rel="stylesheet" type="text/css" media="screen" href="css/videolayout_default.css?v=15" id="videolayout_default"/>
     <link href="//netdna.bootstrapcdn.com/font-awesome/4.0.3/css/font-awesome.css" rel="stylesheet">
     <link rel="stylesheet" href="css/jquery-impromptu.css?v=4">
     <link rel="stylesheet" href="css/modaldialog.css?v=3">
@@ -265,6 +265,7 @@
                 <a target="_new"><div class="watermark rightwatermark"></div></a>
                 <a class="poweredby" href="http://jitsi.org" target="_new" >powered by jitsi.org</a>
                 <img id="activeSpeakerAvatar" src=""/>
+                <canvas id="activeSpeakerAudioLevel"></canvas>
                 <video id="largeVideo" autoplay oncontextmenu="return false;"></video>
             </div>
             <div id="remoteVideos">

videolayout.js

@@ -174,6 +174,7 @@ var VideoLayout = (function (my) {
         if (RTC.getVideoSrc($('#largeVideo')[0]) !== newSrc) {
 
             $('#activeSpeakerAvatar').css('visibility', 'hidden');
+            $('#activeSpeakerAudioLevel').css('visibility', 'hidden');
             // Due to the simulcast the localVideoSrc may have changed when the
             // fadeOut event triggers. In that case the getJidFromVideoSrc and
             // isVideoSrcDesktop methods will not function correctly.
@@ -1038,9 +1039,11 @@ var VideoLayout = (function (my) {
         $('#largeVideoContainer').width(availableWidth);
         $('#largeVideoContainer').height(availableHeight);
 
-
-        $('#activeSpeakerAvatar').css('top',
-            (availableHeight - interfaceConfig.ACTIVE_SPEAKER_AVATAR_SIZE) / 2);
+        var avatarSize = interfaceConfig.ACTIVE_SPEAKER_AVATAR_SIZE;
+        var top = (availableHeight - avatarSize) / 2;
+        $('#activeSpeakerAvatar').css('top', top);
+        $('#activeSpeakerAudioLevel').css('top', top - avatarSize / 4);
+        $('#activeSpeakerAudioLevel').css('left', availableWidth / 2 - avatarSize * 3 / 4);
 
         VideoLayout.resizeThumbnails();
     };