Cleans up a bit of code.

src/net/java/sip/communicator/impl/neomedia/MediaServiceImpl.java

@@ -470,23 +470,23 @@ public void removeLocalUserSoundLevelListener(LocalUserSoundLevelListener l)
      */
     public void fireLocalUserSoundLevelEvent(int level)
     {
-        LocalUserSoundLevelEvent soundLevelEvent
-            = new LocalUserSoundLevelEvent(this, level);
-        List<LocalUserSoundLevelListener> listeners;
+        Iterable<LocalUserSoundLevelListener> listeners;
 
         synchronized (soundLevelListeners)
         {
-            listeners = 
-                new ArrayList<LocalUserSoundLevelListener>(soundLevelListeners);
+            if (soundLevelListeners.isEmpty())
+                return;
+
+            listeners
+                = new ArrayList<LocalUserSoundLevelListener>(
+                        soundLevelListeners);
         }
 
-        for (Iterator<LocalUserSoundLevelListener> listenerIter
-                = listeners.iterator(); listenerIter.hasNext();)
-        {
-            LocalUserSoundLevelListener listener = listenerIter.next();
+        LocalUserSoundLevelEvent soundLevelEvent
+            = new LocalUserSoundLevelEvent(this, level);
 
+        for (LocalUserSoundLevelListener listener : listeners)
             listener.localUserSoundLevelChanged(soundLevelEvent);
-        }
     }
 
     /**

src/net/java/sip/communicator/impl/neomedia/codec/audio/SoundLevelIndicatorEffect.java

@@ -123,7 +123,6 @@ public int process(Buffer inputBuffer, Buffer outputBuffer)
         System.arraycopy(inputBuffer.getData(), inputBuffer.getOffset(), b, 0, b.length);
         outputBuffer.setData(b);
 
-        outputBuffer.setData(b);
         outputBuffer.setFormat(inputBuffer.getFormat());
         outputBuffer.setLength(inputBuffer.getLength());
         outputBuffer.setOffset(inputBuffer.getOffset());
@@ -146,7 +145,6 @@ public int process(Buffer inputBuffer, Buffer outputBuffer)
         return BUFFER_PROCESSED_OK;
     }
 
-
     /**
      * Estimates the signal power and use the levelRatio to
      * scale it to the needed levels. 
@@ -212,7 +210,7 @@ public void close()
     }
 
     /**
-     * Restes its state.
+     * Resets its state.
      */
     public void reset()
     {

src/net/java/sip/communicator/impl/neomedia/device/MediaDeviceSession.java

@@ -900,8 +900,10 @@ private void processorControllerUpdate(ControllerEvent event)
                 if (format != null)
                     setFormat(processor, format);
 
-                if(NeomediaActivator.getMediaServiceImpl()
-                    .getLocalSoundLevelListeners().size() > 0)
+                if(NeomediaActivator
+                            .getMediaServiceImpl()
+                                .getLocalSoundLevelListeners().size()
+                        > 0)
                 {
                     // here we add sound level indicator for captured media
                     // from the microphone if there are interested listeners