Fix segfault with libao >= 1.0.0 (first attempt)

git-svn-id: https://dvbcut.svn.sourceforge.net/svnroot/dvbcut/trunk@178 36490176-9c1c-0410-b649-dbf2af5787bf

ChangeLog

@@ -1,3 +1,8 @@
+2011-04-29  Michael Riepe  <[email protected]>
+
+	* src/playaudio.cpp:
+		Fix segfault with libao >= 1.0.
+
 2011-04-25  Michael Riepe  <[email protected]>
 
 	* src/mpgfile.cpp:

src/playaudio.cpp

@@ -18,6 +18,7 @@
 
 /* $Id$ */
 
+#include <cstring>
 #include <stdint.h>
 #include <algorithm>
 #include <string>
@@ -43,7 +44,7 @@ class audioout
       ao_close(m_device);
   }
 
-  void play(int channels, int samplerate, int16_t *data, int frames)
+  void play(int channels, int samplerate, int16_t *data, int bytes)
   {
     if ((not m_device) or channels!=m_channels or samplerate!=m_samplerate)
     {
@@ -54,6 +55,8 @@ class audioout
       }
 
       ao_sample_format format;
+      // zero-initialize
+      memset(&format, 0, sizeof(format));
 
       format.bits = 16;
       format.channels = channels;
@@ -68,7 +71,7 @@ class audioout
         throw dvbcut_exception("Error setting up audio output");
     }
 
-    ao_play(m_device, (char*) data, frames);
+    ao_play(m_device, (char*) data, bytes);
   }
 };