diff options
author | Chris Robinson <[email protected]> | 2012-01-17 12:17:41 -0800 |
---|---|---|
committer | Chris Robinson <[email protected]> | 2012-01-17 12:17:41 -0800 |
commit | cf34b9c04e05b6a0b44e7d7cfbf31bcc865b342d (patch) | |
tree | e7c3d5d7c2c4d1dd4d82ad1ff14643474cc19c63 /Alc/backends | |
parent | 530597347c664277d91d5efc7fff8d10092f2e20 (diff) |
Support 32-bit float in the WinMM backend
Diffstat (limited to 'Alc/backends')
-rw-r--r-- | Alc/backends/winmm.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/Alc/backends/winmm.c b/Alc/backends/winmm.c index 1af5105b..c795a70a 100644 --- a/Alc/backends/winmm.c +++ b/Alc/backends/winmm.c @@ -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 * |