[MPlayer-dev-eng] [PATCH] Fix block_align on libao2/ao_pcm.c for wav header

[lists at pedro.larroy.com]

Hi I was having problems with some audiosoftware not loading correctly
some pcm dumps made with mplayer, for example with matlab, fixing this
makes those program who use this field happy, and more compliant with
specs, hope you apply, thanks.

Regards.

http://www.cpp-home.com/tutorial.php?333_1
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/directx9_c/DirectX/htm/writingtoawavfile.asp
-- 
Pedro Larroy Tovar, pedro at larroy dot com 
Make debian mirrors with debian-multimirror: http://pedro.larroy.com/deb_mm/
   * Las patentes de programación son nocivas para la innovación * 
                 http://proinnova.hispalinux.es/
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====
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? __dump__.wav
? cscope.out
? wavheader.patch
Index: libao2/ao_pcm.c
===================================================================
RCS file: /cvsroot/mplayer/main/libao2/ao_pcm.c,v
retrieving revision 1.29
diff -u -r1.29 ao_pcm.c
--- libao2/ao_pcm.c	19 Jan 2005 17:18:25 -0000	1.29
+++ libao2/ao_pcm.c	9 Aug 2005 13:14:31 -0000
@@ -120,7 +120,7 @@
 	wavhdr.sample_rate = le2me_32(ao_data.samplerate);
 	wavhdr.bytes_per_second = le2me_32(ao_data.bps);
 	wavhdr.bits = le2me_16(bits);
-	
+	wavhdr.block_align = le2me_16(ao_data.channels*(bits/8));
 	wavhdr.data_length=le2me_32(0x7ffff000);
 	wavhdr.file_length = wavhdr.data_length + sizeof(wavhdr) - 8;