me/portaudio
Watch
1
0
Fork
You've already forked portaudio
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

wasapi: fixed audio gain is decreased by 2 when audio stream is opened for capturing and 1 (Mono) channel selected, this bug occurs only if non-Stereo input source used (mono mic).

Browse source
This commit is contained in:
dmitrykos 2010-12-26 16:17:56 +00:00
commit 41645b30d5
1 changed files with 32 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

35
src/hostapi/wasapi/pa_win_wasapi.c
View file

@ -833,7 +833,7 @@ static BOOL UseWOW64Workaround()
}
// ------------------------------------------------------------------------------------------
typedef enum EMixerDir { MIX_DIR__1TO2, MIX_DIR__2TO1 } EMixerDir;
typedef enum EMixerDir { MIX_DIR__1TO2, MIX_DIR__2TO1, MIX_DIR__2TO1_L } EMixerDir;
// ------------------------------------------------------------------------------------------
#define _WASAPI_MONO_TO_STEREO_MIXER_1_TO_2(TYPE)\
@ -858,6 +858,17 @@ typedef enum EMixerDir { MIX_DIR__1TO2, MIX_DIR__2TO1 } EMixerDir;
from += 2;\
}
// ------------------------------------------------------------------------------------------
#define _WASAPI_MONO_TO_STEREO_MIXER_2_TO_1_L(TYPE)\
TYPE * __restrict to = (TYPE *)__to;\
TYPE * __restrict from = (TYPE *)__from;\
TYPE * __restrict end = to + count;\
while (to != end)\
{\
*to ++ = from[0];\
from += 2;\
}
// ------------------------------------------------------------------------------------------
static void _MixMonoToStereo_1TO2_8(void *__to, void *__from, UINT32 count) { _WASAPI_MONO_TO_STEREO_MIXER_1_TO_2(BYTE); }
static void _MixMonoToStereo_1TO2_16(void *__to, void *__from, UINT32 count) { _WASAPI_MONO_TO_STEREO_MIXER_1_TO_2(short); }
@ -872,6 +883,13 @@ static void _MixMonoToStereo_2TO1_24(void *__to, void *__from, UINT32 count) { _
static void _MixMonoToStereo_2TO1_32(void *__to, void *__from, UINT32 count) { _WASAPI_MONO_TO_STEREO_MIXER_2_TO_1(int); }
static void _MixMonoToStereo_2TO1_32f(void *__to, void *__from, UINT32 count) { _WASAPI_MONO_TO_STEREO_MIXER_2_TO_1(float); }
// ------------------------------------------------------------------------------------------
static void _MixMonoToStereo_2TO1_8_L(void *__to, void *__from, UINT32 count) { _WASAPI_MONO_TO_STEREO_MIXER_2_TO_1_L(BYTE); }
static void _MixMonoToStereo_2TO1_16_L(void *__to, void *__from, UINT32 count) { _WASAPI_MONO_TO_STEREO_MIXER_2_TO_1_L(short); }
static void _MixMonoToStereo_2TO1_24_L(void *__to, void *__from, UINT32 count) { _WASAPI_MONO_TO_STEREO_MIXER_2_TO_1_L(int); /* !!! int24 data is contained in 32-bit containers*/ }
static void _MixMonoToStereo_2TO1_32_L(void *__to, void *__from, UINT32 count) { _WASAPI_MONO_TO_STEREO_MIXER_2_TO_1_L(int); }
static void _MixMonoToStereo_2TO1_32f_L(void *__to, void *__from, UINT32 count) { _WASAPI_MONO_TO_STEREO_MIXER_2_TO_1_L(float); }
// ------------------------------------------------------------------------------------------
static MixMonoToStereoF _GetMonoToStereoMixer(PaSampleFormat format, EMixerDir dir)
{
@ -898,6 +916,17 @@ static MixMonoToStereoF _GetMonoToStereoMixer(PaSampleFormat format, EMixerDir d
case paFloat32: return _MixMonoToStereo_2TO1_32f;
}
break;
case MIX_DIR__2TO1_L:
switch (format & ~paNonInterleaved)
{
case paUInt8: return _MixMonoToStereo_2TO1_8_L;
case paInt16: return _MixMonoToStereo_2TO1_16_L;
case paInt24: return _MixMonoToStereo_2TO1_24_L;
case paInt32: return _MixMonoToStereo_2TO1_32_L;
case paFloat32: return _MixMonoToStereo_2TO1_32f_L;
}
break;
}
return NULL;
@ -1998,7 +2027,7 @@ static HRESULT CreateAudioClient(PaWasapiStream *pStream, PaWasapiSubStream *pSu
}
// select mixer
pSub->monoMixer = _GetMonoToStereoMixer(WaveToPaFormat(&pSub->wavex), (pInfo->flow == eRender ? MIX_DIR__1TO2 : MIX_DIR__2TO1));
pSub->monoMixer = _GetMonoToStereoMixer(WaveToPaFormat(&pSub->wavex), (pInfo->flow == eRender ? MIX_DIR__1TO2 : MIX_DIR__2TO1_L));
if (pSub->monoMixer == NULL)
{
LogHostError(hr = AUDCLNT_E_UNSUPPORTED_FORMAT);
@ -2237,7 +2266,7 @@ static HRESULT CreateAudioClient(PaWasapiStream *pStream, PaWasapiSubStream *pSu
}
// Select mixer
pSub->monoMixer = _GetMonoToStereoMixer(WaveToPaFormat(&pSub->wavex), (pInfo->flow == eRender ? MIX_DIR__1TO2 : MIX_DIR__2TO1));
pSub->monoMixer = _GetMonoToStereoMixer(WaveToPaFormat(&pSub->wavex), (pInfo->flow == eRender ? MIX_DIR__1TO2 : MIX_DIR__2TO1_L));
if (pSub->monoMixer == NULL)
{
LogHostError(hr = AUDCLNT_E_UNSUPPORTED_FORMAT);