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Fix for WaveRT WDM drivers that do not support memory mapped position register, and correct 8 channel speaker geometry mapping.

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This commit is contained in:
robiwan 2012-12-28 16:54:25 +00:00
commit dd82ba9976
2 changed files with 26 additions and 2 deletions
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8
src/os/win/pa_win_waveformat.c
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@ -104,7 +104,6 @@ void PaWin_InitializeWaveFormatExtensible( PaWinWaveFormat *waveFormat,
*((GUID*)&waveFormat->fields[PAWIN_INDEXOF_SUBFORMAT]) = guid;
}
PaWinWaveFormatChannelMask PaWin_DefaultChannelMask( int numChannels )
{
switch( numChannels ){
@ -129,11 +128,16 @@ PaWinWaveFormatChannelMask PaWin_DefaultChannelMask( int numChannels )
return PAWIN_SPEAKER_5POINT1;
/* case 7: */
case 8:
return PAWIN_SPEAKER_7POINT1;
/* RoBi: PAWIN_SPEAKER_7POINT1_SURROUND fits normal surround sound setups better than PAWIN_SPEAKER_7POINT1, f.i. NVidia HDMI Audio
output is silent on channels 5&6 with NVidia drivers, and channel 7&8 with Micrsoft HD Audio driver using PAWIN_SPEAKER_7POINT1.
With PAWIN_SPEAKER_7POINT1_SURROUND both setups work OK. */
return PAWIN_SPEAKER_7POINT1_SURROUND;
}
/* Apparently some Audigy drivers will output silence
if the direct-out constant (0) is used. So this is not ideal.
RoBi 2012-12-19: Also, NVidia driver seem to output garbage instead. Again not very ideal.
*/
return PAWIN_SPEAKER_DIRECTOUT;