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ac3 passthrough, initial patch by Gianluigi Tiesi <sherpya at netfarm.it>

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git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@12685 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
faust3 2004-06-26 11:20:20 +00:00
parent f75fd35c98
commit 1c6b68ba4d
1 changed files with 12 additions and 3 deletions

15
libao2/ao_win32.c
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@ -121,11 +121,20 @@ static int init(int rate,int channels,int format,int flags)
//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);
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