Restore mic adjust volume on ALSA layer

src/audio/alsalayer.cpp

@@ -143,6 +143,7 @@ AlsaLayer::getMic(void *buffer, int toCopy)
     if( _CaptureHandle ) 
     {
         res = read( buffer, toCopy );
+        adjustVolume( buffer , toCopy , SFL_PCM_CAPTURE );
     }
     return res ;
 }
@@ -651,3 +652,23 @@ void AlsaLayer::audioCallback (void)
     //_debug("AL: Nb sample: %d char, [0]=%f [1]=%f [2]=%f\n", toPut, in[0], in[1], in[2]);
     //_micRingBuffer.Put(in, toPut, micVolume);
 }
+
+
+void* AlsaLayer::adjustVolume( void* buffer , int len, int stream )
+{
+    int vol, i, size;
+    SFLDataFormat *src = NULL;
+
+    (stream == SFL_PCM_PLAYBACK)? vol = _manager->getSpkrVolume() : vol = _manager->getMicVolume();
+
+    src = (SFLDataFormat*) buffer;
+
+    if( vol != 100 )
+    {
+        size = len / sizeof(SFLDataFormat);
+        for( i = 0 ; i < size ; i++ ){
+            src[i] = src[i] * vol  / 100 ;
+        }
+    }
+    return src ; 
+}

src/audio/alsalayer.h

@@ -220,6 +220,8 @@ class AlsaLayer : public AudioLayer {
      */
     int read( void* buffer, int toCopy);
     
+    
+
     /**
      * Recover from XRUN state for capture
      * ALSA Library API
@@ -232,7 +234,9 @@ class AlsaLayer : public AudioLayer {
      */
     void handle_xrun_playback( void );
     
-    /**
+    void* adjustVolume( void* buffer , int len, int stream );
+    
+/**
      * Handles to manipulate playback stream
      * ALSA Library API
      */

src/audio/pulselayer.cpp

@@ -142,7 +142,6 @@ PulseLayer::createStreams( pa_context* c )
   record = new AudioStream(c, CAPTURE_STREAM, CAPTURE_STREAM_NAME , _manager->getMicVolume());
   pa_stream_set_read_callback( record->pulseStream() , audioCallback, this);
   //pa_stream_set_underflow_callback( record->pulseStream() , underflow , this);
-  //cache = new AudioStream(c, UPLOAD_STREAM, "Cache samples", _manager->getSpkrVolume());
 
   pa_threaded_mainloop_signal(m , 0);
 }