AuroraMiddleware/AuroraOpenALSoft
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Support 32-bit float in the WinMM backend

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This commit is contained in:
Chris Robinson 2012-01-17 12:17:41 -08:00
parent 530597347c
commit cf34b9c04e
1 changed files with 11 additions and 4 deletions
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15
Alc/backends/winmm.c
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@ -31,6 +31,10 @@
#include "AL/al.h"
#include "AL/alc.h"
#ifndef WAVE_FORMAT_IEEE_FLOAT
#define WAVE_FORMAT_IEEE_FLOAT 0x0003
#endif
typedef struct {
// MMSYSTEM Device
@ -341,16 +345,17 @@ static ALCenum WinMMOpenPlayback(ALCdevice *pDevice, const ALCchar *deviceName)
pDevice->FmtType = DevFmtUByte;
break;
case DevFmtUShort:
case DevFmtFloat:
pDevice->FmtType = DevFmtShort;
break;
case DevFmtUByte:
case DevFmtShort:
case DevFmtFloat:
break;
}
memset(&wfexFormat, 0, sizeof(WAVEFORMATEX));
wfexFormat.wFormatTag = WAVE_FORMAT_PCM;
wfexFormat.wFormatTag = ((pDevice->FmtType == DevFmtFloat) ?
WAVE_FORMAT_IEEE_FLOAT : WAVE_FORMAT_PCM);
wfexFormat.nChannels = ChannelsFromDevFmt(pDevice->FmtChans);
wfexFormat.wBitsPerSample = BytesFromDevFmt(pDevice->FmtType) * 8;
wfexFormat.nBlockAlign = wfexFormat.wBitsPerSample *
@ -529,11 +534,13 @@ static ALCenum WinMMOpenCapture(ALCdevice *pDevice, const ALCchar *deviceName)
pDevice->ExtraData = pData;
if((pDevice->FmtChans != DevFmtMono && pDevice->FmtChans != DevFmtStereo) ||
(pDevice->FmtType != DevFmtUByte && pDevice->FmtType != DevFmtShort))
(pDevice->FmtType != DevFmtUByte && pDevice->FmtType != DevFmtShort &&
pDevice->FmtType != DevFmtFloat))
goto failure;
memset(&wfexCaptureFormat, 0, sizeof(WAVEFORMATEX));
wfexCaptureFormat.wFormatTag = WAVE_FORMAT_PCM;
wfexCaptureFormat.wFormatTag = ((pDevice->FmtType == DevFmtFloat) ?
WAVE_FORMAT_IEEE_FLOAT : WAVE_FORMAT_PCM);
wfexCaptureFormat.nChannels = ChannelsFromDevFmt(pDevice->FmtChans);
wfexCaptureFormat.wBitsPerSample = BytesFromDevFmt(pDevice->FmtType) * 8;
wfexCaptureFormat.nBlockAlign = wfexCaptureFormat.wBitsPerSample *