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wasapi: some cleanup of Jörn Heusipp's patch

winrt
dmitrykos 6 months ago
parent
commit
c40b969e1b
1 changed files with 18 additions and 8 deletions
  1. 18
    8
      src/hostapi/wasapi/pa_win_wasapi.c

+ 18
- 8
src/hostapi/wasapi/pa_win_wasapi.c View File

@@ -282,7 +282,7 @@ typedef struct _pa_AudioClientProperties {
PA_THREAD_FUNC ProcThreadEvent(void *param);
PA_THREAD_FUNC ProcThreadPoll(void *param);

// Availabe from Windows 7
// Error codes (availabe since Windows 7)
#ifndef AUDCLNT_E_BUFFER_ERROR
#define AUDCLNT_E_BUFFER_ERROR AUDCLNT_ERR(0x018)
#endif
@@ -293,6 +293,7 @@ PA_THREAD_FUNC ProcThreadPoll(void *param);
#define AUDCLNT_E_INVALID_DEVICE_PERIOD AUDCLNT_ERR(0x020)
#endif

// Stream flags (availabe since Windows 7)
#ifndef AUDCLNT_STREAMFLAGS_SRC_DEFAULT_QUALITY
#define AUDCLNT_STREAMFLAGS_SRC_DEFAULT_QUALITY 0x08000000
#endif
@@ -2674,10 +2675,13 @@ static PaError GetClosestFormat(IAudioClient *client, double sampleRate, const P

// Try standard approach, e.g. if data is > 16 bits it will be packed into 32-bit containers
MakeWaveFormatFromParams(outWavex, &params, sampleRate, FALSE);
if ((GetWindowsVersion() >= WINDOWS_7_SERVER2008R2) && (shareMode == AUDCLNT_SHAREMODE_SHARED) && _params->hostApiSpecificStreamInfo && (((PaWasapiStreamInfo *)_params->hostApiSpecificStreamInfo)->flags & paWinWasapiAutoConvert))
{
// If built-in PCM converter requested then shared mode format will always succeed
if ((GetWindowsVersion() >= WINDOWS_7_SERVER2008R2) &&
(shareMode == AUDCLNT_SHAREMODE_SHARED) &&
((streamInfo != NULL) && (streamInfo->flags & paWinWasapiAutoConvert)))
return paFormatIsSupported;
}
hr = IAudioClient_IsFormatSupported(client, shareMode, &outWavex->Format, (shareMode == AUDCLNT_SHAREMODE_SHARED ? &sharedClosestMatch : NULL));
// Exclusive mode can require packed format for some devices
@@ -3597,8 +3601,11 @@ static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi,
if (fullDuplex)
stream->in.streamFlags = 0; // polling interface is implemented for full-duplex mode also

if ((GetWindowsVersion() >= WINDOWS_7_SERVER2008R2) && (stream->in.shareMode == AUDCLNT_SHAREMODE_SHARED) && (inputStreamInfo != NULL) && (inputStreamInfo->flags & paWinWasapiAutoConvert))
stream->in.streamFlags |= AUDCLNT_STREAMFLAGS_AUTOCONVERTPCM | AUDCLNT_STREAMFLAGS_SRC_DEFAULT_QUALITY;
// Use built-in PCM converter (channel count and sample rate) if requested
if ((GetWindowsVersion() >= WINDOWS_7_SERVER2008R2) &&
(stream->in.shareMode == AUDCLNT_SHAREMODE_SHARED) &&
((inputStreamInfo != NULL) && (inputStreamInfo->flags & paWinWasapiAutoConvert)))
stream->in.streamFlags |= (AUDCLNT_STREAMFLAGS_AUTOCONVERTPCM | AUDCLNT_STREAMFLAGS_SRC_DEFAULT_QUALITY);

// Fill parameters for Audio Client creation
stream->in.params.device_info = info;
@@ -3728,8 +3735,11 @@ static PaError OpenStream( struct PaUtilHostApiRepresentation *hostApi,
if (fullDuplex)
stream->out.streamFlags = 0; // polling interface is implemented for full-duplex mode also

if ((GetWindowsVersion() >= WINDOWS_7_SERVER2008R2) && (stream->out.shareMode == AUDCLNT_SHAREMODE_SHARED) && (outputStreamInfo != NULL) && (outputStreamInfo->flags & paWinWasapiAutoConvert))
stream->out.streamFlags |= AUDCLNT_STREAMFLAGS_AUTOCONVERTPCM | AUDCLNT_STREAMFLAGS_SRC_DEFAULT_QUALITY;
// Use built-in PCM converter (channel count and sample rate) if requested
if ((GetWindowsVersion() >= WINDOWS_7_SERVER2008R2) &&
(stream->out.shareMode == AUDCLNT_SHAREMODE_SHARED) &&
((outputStreamInfo != NULL) && (outputStreamInfo->flags & paWinWasapiAutoConvert)))
stream->out.streamFlags |= (AUDCLNT_STREAMFLAGS_AUTOCONVERTPCM | AUDCLNT_STREAMFLAGS_SRC_DEFAULT_QUALITY);

// Fill parameters for Audio Client creation
stream->out.params.device_info = info;

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