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wasapi:

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- using WAVE_FORMAT_PCM for mono/stereo 8/16-bit stream configuration to avoid possible driver refusal upon audio client creation
 - modified default speaker mask for 5.1 and 7.1 configuration to _SURROUND (correct) versions, added default speaker configuration for 2.1, 4.1, 6.1 cases
This commit is contained in:
dmitrykos 2010-11-07 08:23:51 +00:00
commit f1e8193ae1
1 changed files with 21 additions and 5 deletions
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26
src/hostapi/wasapi/pa_win_wasapi.c
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@ -1507,14 +1507,14 @@ static PaError MakeWaveFormatFromParams(WAVEFORMATEXTENSIBLE *wavex, const PaStr
old->nBlockAlign = (old->nChannels * (old->wBitsPerSample/8));
old->nAvgBytesPerSec = (old->nSamplesPerSec * old->nBlockAlign);
//WAVEFORMATEX
/*if ((params->channelCount <= 2) && ((bitsPerSample == 16) || (bitsPerSample == 8)))
// WAVEFORMATEX
if ((params->channelCount <= 2) && ((bitsPerSample == 16) || (bitsPerSample == 8)))
{
old->cbSize = 0;
old->wFormatTag = WAVE_FORMAT_PCM;
}
//WAVEFORMATEXTENSIBLE
else*/
// WAVEFORMATEXTENSIBLE
else
{
old->wFormatTag = WAVE_FORMAT_EXTENSIBLE;
old->cbSize = sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX);
@ -1537,10 +1537,26 @@ static PaError MakeWaveFormatFromParams(WAVEFORMATEXTENSIBLE *wavex, const PaStr
{
case 1: wavex->dwChannelMask = KSAUDIO_SPEAKER_MONO; break;
case 2: wavex->dwChannelMask = KSAUDIO_SPEAKER_STEREO; break;
case 3: wavex->dwChannelMask = KSAUDIO_SPEAKER_STEREO|SPEAKER_LOW_FREQUENCY; break;
case 4: wavex->dwChannelMask = KSAUDIO_SPEAKER_QUAD; break;
case 5: wavex->dwChannelMask = KSAUDIO_SPEAKER_QUAD|SPEAKER_LOW_FREQUENCY; break;
#ifdef KSAUDIO_SPEAKER_5POINT1_SURROUND
case 6: wavex->dwChannelMask = KSAUDIO_SPEAKER_5POINT1_SURROUND; break;
#else
case 6: wavex->dwChannelMask = KSAUDIO_SPEAKER_5POINT1; break;
#endif
#ifdef KSAUDIO_SPEAKER_5POINT1_SURROUND
case 7: wavex->dwChannelMask = KSAUDIO_SPEAKER_5POINT1_SURROUND|SPEAKER_BACK_CENTER; break;
#else
case 7: wavex->dwChannelMask = KSAUDIO_SPEAKER_5POINT1|SPEAKER_BACK_CENTER; break;
#endif
#ifdef KSAUDIO_SPEAKER_7POINT1_SURROUND
case 8: wavex->dwChannelMask = KSAUDIO_SPEAKER_7POINT1_SURROUND; break;
#else
case 8: wavex->dwChannelMask = KSAUDIO_SPEAKER_7POINT1; break;
default: wavex->dwChannelMask = 0; break;
#endif
default: wavex->dwChannelMask = 0;
}
}
}