diff options
Diffstat (limited to 'Alc')
| -rw-r--r-- | Alc/dsound.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/Alc/dsound.c b/Alc/dsound.c index 5313b039..98c50e83 100644 --- a/Alc/dsound.c +++ b/Alc/dsound.c @@ -40,6 +40,9 @@ DEFINE_GUID(KSDATAFORMAT_SUBTYPE_PCM, 0x00000001, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71); +// Since DSound doesn't report the fragment size, just assume 4 fragments +#define DS_FRAGS 4 + typedef struct { // DirectSound Playback Device LPDIRECTSOUND lpDS; @@ -70,7 +73,7 @@ static ALuint DSoundProc(ALvoid *ptr) DWORD avail; HRESULT err; - BufferSize = pDevice->UpdateFreq*pDevice->FrameSize; + BufferSize = pDevice->UpdateFreq*DS_FRAGS*pDevice->FrameSize; while(!pData->killNow) { @@ -234,6 +237,8 @@ static ALCboolean DSoundOpenPlayback(ALCdevice *device, const ALCchar *deviceNam OutputType.Format.nSamplesPerSec = device->Frequency; OutputType.Format.nAvgBytesPerSec = OutputType.Format.nSamplesPerSec*OutputType.Format.nBlockAlign; OutputType.Format.cbSize = 0; + + device->UpdateFreq /= DS_FRAGS; } if(OutputType.Format.nChannels > 2) @@ -261,7 +266,7 @@ static ALCboolean DSoundOpenPlayback(ALCdevice *device, const ALCchar *deviceNam memset(&DSBDescription,0,sizeof(DSBUFFERDESC)); DSBDescription.dwSize=sizeof(DSBUFFERDESC); DSBDescription.dwFlags=DSBCAPS_GLOBALFOCUS|DSBCAPS_GETCURRENTPOSITION2; - DSBDescription.dwBufferBytes=device->UpdateFreq * device->FrameSize; + DSBDescription.dwBufferBytes=device->UpdateFreq * DS_FRAGS * device->FrameSize; DSBDescription.lpwfxFormat=&OutputType.Format; hr = IDirectSound_CreateSoundBuffer(pData->lpDS, &DSBDescription, &pData->DSsbuffer, NULL); } |