* #6627: zero-initialize pointers if they're going to be deleted

sflphone-common/src/audio/alsa/alsalayer.cpp

@@ -52,6 +52,7 @@ AlsaLayer::AlsaLayer (ManagerImpl* manager)
     , _is_open_capture (false)
     , _trigger_request (false)
     , _audioThread (NULL)
+    , _converter (0)
 
 {
     _debug ("Audio: Build ALSA layer");
@@ -132,7 +133,7 @@ AlsaLayer::openDevice (int indexIn, int indexOut, int indexRing, int sampleRate,
     _converter = new SamplerateConverter (_audioSampleRate);
 
     AudioLayer::_dcblocker = new DcBlocker();
-    AudioLayer::_audiofilter = new AudioProcessing (static_cast<Algorithm *> (_dcblocker));
+    AudioLayer::_audiofilter = new AudioProcessing (_dcblocker);
 }
 
 void

sflphone-common/src/audio/audiolayer.h

@@ -82,6 +82,8 @@ class AudioLayer
             , _outChannel (1)
             , _errorMessage (0)
             , _mutex ()
+            , _dcblocker(0)
+            , _audiofilter(0)
         	, _countNotificationTime(0)
             , _time (new ost::Time()) {
 

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

@@ -237,6 +237,7 @@ PulseLayer::PulseLayer (ManagerImpl* manager)
     , playback (NULL)
     , record (NULL)
     , ringtone (NULL)
+    , _converter(0)
 {
     _urgentRingBuffer.createReadPointer();