[#4885] Some cleanup

sflphone-common/src/audio/mainbuffer.cpp

@@ -52,7 +52,7 @@ void MainBuffer::setInternalSamplingRate (int sr)
 
     if (sr > _internalSamplingRate) {
 
-        _debug ("****************************************** MainBuffer: Internal sampling rate changed %d **********************************", sr);
+        _debug ("MainBuffer: Internal sampling rate changed %d", sr);
 
         // This call takes the mutex
         flushAllBuffers();

sflphone-common/src/audio/pulseaudio/pulselayer.h

@@ -183,12 +183,24 @@ class PulseLayer : public AudioLayer
             micVolume = value;
         }
 
+        /**
+         * Handle used to write voice data to speaker
+         */
         void processPlaybackData (void);
 
+        /**
+         * Handle used to write voice data to microphone
+         */
         void processCaptureData (void);
 
+        /**
+         * Handle used to write audio data to speaker
+         */
         void processRingtoneData (void);
 
+        /**
+         * Process speaker and microphone audio data
+         */
         void processData (void);
 
         /**
@@ -278,16 +290,10 @@ class PulseLayer : public AudioLayer
         int spkrVolume;
         int micVolume;
 
-
-        // ofstream *captureFile;
-        // ofstream *spkrFile;
-
         DeviceList _sinkList;
 
         DeviceList _sourceList;
 
-        // private:
-
         int byteCounter;
 
     public: