Index: libao2/ao_win32.c
===================================================================
RCS file: /cvsroot/mplayer/main/libao2/ao_win32.c,v
retrieving revision 1.11
diff -u -r1.11 ao_win32.c
--- libao2/ao_win32.c	7 Apr 2004 22:27:33 -0000	1.11
+++ libao2/ao_win32.c	21 Jun 2004 16:05:27 -0000
@@ -121,11 +121,20 @@
 	//fill waveformatex
     ZeroMemory( &wformat, sizeof(WAVEFORMATEX));
     wformat.cbSize          = 0; /* size of _extra_ info */
-	wformat.wFormatTag      = WAVE_FORMAT_PCM;  
     wformat.nChannels       = channels;                
-    wformat.nSamplesPerSec  = rate;            
-    wformat.wBitsPerSample  = audio_out_format_bits(format); 
-    wformat.nBlockAlign     = wformat.nChannels * (wformat.wBitsPerSample >> 3);
+    wformat.nSamplesPerSec  = rate; 
+	if(format == AFMT_AC3)
+	{
+		wformat.wFormatTag      = WAVE_FORMAT_DOLBY_AC3_SPDIF;
+        wformat.wBitsPerSample = 16;
+        wformat.nBlockAlign = 4;
+	}
+	else 
+	{
+		wformat.wFormatTag      = WAVE_FORMAT_PCM;
+		wformat.wBitsPerSample  = audio_out_format_bits(format); 
+		wformat.nBlockAlign     = wformat.nChannels * (wformat.wBitsPerSample >> 3);
+	}
     wformat.nAvgBytesPerSec = wformat.nSamplesPerSec * wformat.nBlockAlign;
  	
     //open sound device