diff options
Diffstat (limited to 'Alc')
| -rw-r--r-- | Alc/backends/dsound.c | 471 |
1 files changed, 410 insertions, 61 deletions
diff --git a/Alc/backends/dsound.c b/Alc/backends/dsound.c index 371c1045..84b7377a 100644 --- a/Alc/backends/dsound.c +++ b/Alc/backends/dsound.c @@ -47,12 +47,16 @@ DEFINE_GUID(KSDATAFORMAT_SUBTYPE_PCM, 0x00000001, 0x0000, 0x0010, 0x80, 0x00, 0x DEFINE_GUID(KSDATAFORMAT_SUBTYPE_IEEE_FLOAT, 0x00000003, 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71); -static HMODULE ds_handle; +static void *ds_handle; static HRESULT (WINAPI *pDirectSoundCreate)(LPCGUID pcGuidDevice, IDirectSound **ppDS, IUnknown *pUnkOuter); static HRESULT (WINAPI *pDirectSoundEnumerateA)(LPDSENUMCALLBACKA pDSEnumCallback, void *pContext); +static HRESULT (WINAPI *pDirectSoundCaptureCreate)(LPCGUID pcGuidDevice, IDirectSoundCapture **ppDSC, IUnknown *pUnkOuter); +static HRESULT (WINAPI *pDirectSoundCaptureEnumerateA)(LPDSENUMCALLBACKA pDSEnumCallback, void *pContext); -#define DirectSoundCreate pDirectSoundCreate -#define DirectSoundEnumerateA pDirectSoundEnumerateA +#define DirectSoundCreate pDirectSoundCreate +#define DirectSoundEnumerateA pDirectSoundEnumerateA +#define DirectSoundCaptureCreate pDirectSoundCaptureCreate +#define DirectSoundCaptureEnumerateA pDirectSoundCaptureEnumerateA typedef struct { @@ -65,7 +69,16 @@ typedef struct { volatile int killNow; ALvoid *thread; -} DSoundData; +} DSoundPlaybackData; + +typedef struct { + // DirectSound Capture Device + IDirectSoundCapture *lpDSC; + IDirectSoundCaptureBuffer *DSCbuffer; + DWORD dwBufferBytes; + DWORD dwCursor; + RingBuffer *pRing; +} DSoundCaptureData; typedef struct { @@ -74,44 +87,84 @@ typedef struct { } DevMap; static const ALCchar dsDevice[] = "DirectSound Default"; -static DevMap *DeviceList; -static ALuint NumDevices; +static DevMap *PlaybackDeviceList; +static ALuint NumPlaybackDevices; +static DevMap *CaptureDeviceList; +static ALuint NumCaptureDevices; #define MAX_UPDATES 128 static ALCboolean DSoundLoad(void) { - ALCboolean ok = ALC_TRUE; if(!ds_handle) { - ds_handle = LoadLibraryA("dsound.dll"); + ds_handle = LoadLib("dsound.dll"); if(ds_handle == NULL) { ERR("Failed to load dsound.dll\n"); return ALC_FALSE; } -#define LOAD_FUNC(x) do { \ - if((p##x = (void*)GetProcAddress(ds_handle, #x)) == NULL) { \ - ERR("Could not load %s from dsound.dll\n", #x); \ - ok = ALC_FALSE; \ +#define LOAD_FUNC(f) do { \ + p##f = GetSymbol(ds_handle, #f); \ + if(p##f == NULL) { \ + CloseLib(ds_handle); \ + ds_handle = NULL; \ + return ALC_FALSE; \ } \ } while(0) LOAD_FUNC(DirectSoundCreate); LOAD_FUNC(DirectSoundEnumerateA); + LOAD_FUNC(DirectSoundCaptureCreate); + LOAD_FUNC(DirectSoundCaptureEnumerateA); #undef LOAD_FUNC + } + return ALC_TRUE; +} + + +static BOOL CALLBACK DSoundEnumPlaybackDevices(LPGUID guid, LPCSTR desc, LPCSTR drvname, LPVOID data) +{ + char str[1024]; + void *temp; + int count; + ALuint i; + + (void)data; + (void)drvname; + + if(!guid) + return TRUE; + + count = 0; + do { + if(count == 0) + snprintf(str, sizeof(str), "%s", desc); + else + snprintf(str, sizeof(str), "%s #%d", desc, count+1); + count++; - if(!ok) + for(i = 0;i < NumPlaybackDevices;i++) { - FreeLibrary(ds_handle); - ds_handle = NULL; + if(strcmp(str, PlaybackDeviceList[i].name) == 0) + break; } + } while(i != NumPlaybackDevices); + + temp = realloc(PlaybackDeviceList, sizeof(DevMap) * (NumPlaybackDevices+1)); + if(temp) + { + PlaybackDeviceList = temp; + PlaybackDeviceList[NumPlaybackDevices].name = strdup(str); + PlaybackDeviceList[NumPlaybackDevices].guid = *guid; + NumPlaybackDevices++; } - return ok; + + return TRUE; } -static BOOL CALLBACK DSoundEnumDevices(LPGUID guid, LPCSTR desc, LPCSTR drvname, LPVOID data) +static BOOL CALLBACK DSoundEnumCaptureDevices(LPGUID guid, LPCSTR desc, LPCSTR drvname, LPVOID data) { char str[1024]; void *temp; @@ -132,30 +185,30 @@ static BOOL CALLBACK DSoundEnumDevices(LPGUID guid, LPCSTR desc, LPCSTR drvname, snprintf(str, sizeof(str), "%s #%d", desc, count+1); count++; - for(i = 0;i < NumDevices;i++) + for(i = 0;i < NumCaptureDevices;i++) { - if(strcmp(str, DeviceList[i].name) == 0) + if(strcmp(str, CaptureDeviceList[i].name) == 0) break; } - } while(i != NumDevices); + } while(i != NumCaptureDevices); - temp = realloc(DeviceList, sizeof(DevMap) * (NumDevices+1)); + temp = realloc(CaptureDeviceList, sizeof(DevMap) * (NumCaptureDevices+1)); if(temp) { - DeviceList = temp; - DeviceList[NumDevices].name = strdup(str); - DeviceList[NumDevices].guid = *guid; - NumDevices++; + CaptureDeviceList = temp; + CaptureDeviceList[NumCaptureDevices].name = strdup(str); + CaptureDeviceList[NumCaptureDevices].guid = *guid; + NumCaptureDevices++; } return TRUE; } -static ALuint DSoundProc(ALvoid *ptr) +static ALuint DSoundPlaybackProc(ALvoid *ptr) { ALCdevice *pDevice = (ALCdevice*)ptr; - DSoundData *pData = (DSoundData*)pDevice->ExtraData; + DSoundPlaybackData *pData = (DSoundPlaybackData*)pDevice->ExtraData; DSBCAPS DSBCaps; DWORD LastCursor = 0; DWORD PlayCursor; @@ -255,7 +308,7 @@ static ALuint DSoundProc(ALvoid *ptr) static ALCenum DSoundOpenPlayback(ALCdevice *device, const ALCchar *deviceName) { - DSoundData *pData = NULL; + DSoundPlaybackData *pData = NULL; LPGUID guid = NULL; HRESULT hr; @@ -265,27 +318,27 @@ static ALCenum DSoundOpenPlayback(ALCdevice *device, const ALCchar *deviceName) { ALuint i; - if(!DeviceList) + if(!PlaybackDeviceList) { - hr = DirectSoundEnumerateA(DSoundEnumDevices, NULL); + hr = DirectSoundEnumerateA(DSoundEnumPlaybackDevices, NULL); if(FAILED(hr)) ERR("Error enumerating DirectSound devices (%#x)!\n", (unsigned int)hr); } - for(i = 0;i < NumDevices;i++) + for(i = 0;i < NumPlaybackDevices;i++) { - if(strcmp(deviceName, DeviceList[i].name) == 0) + if(strcmp(deviceName, PlaybackDeviceList[i].name) == 0) { - guid = &DeviceList[i].guid; + guid = &PlaybackDeviceList[i].guid; break; } } - if(i == NumDevices) + if(i == NumPlaybackDevices) return ALC_INVALID_VALUE; } //Initialise requested device - pData = calloc(1, sizeof(DSoundData)); + pData = calloc(1, sizeof(DSoundPlaybackData)); if(!pData) return ALC_OUT_OF_MEMORY; @@ -317,7 +370,7 @@ static ALCenum DSoundOpenPlayback(ALCdevice *device, const ALCchar *deviceName) static void DSoundClosePlayback(ALCdevice *device) { - DSoundData *pData = device->ExtraData; + DSoundPlaybackData *pData = device->ExtraData; IDirectSound_Release(pData->lpDS); CloseHandle(pData->hNotifyEvent); @@ -327,7 +380,7 @@ static void DSoundClosePlayback(ALCdevice *device) static ALCboolean DSoundResetPlayback(ALCdevice *device) { - DSoundData *pData = (DSoundData*)device->ExtraData; + DSoundPlaybackData *pData = (DSoundPlaybackData*)device->ExtraData; DSBUFFERDESC DSBDescription; WAVEFORMATEXTENSIBLE OutputType; DWORD speakers; @@ -505,7 +558,7 @@ retry_open: { ResetEvent(pData->hNotifyEvent); SetDefaultWFXChannelOrder(device); - pData->thread = StartThread(DSoundProc, device); + pData->thread = StartThread(DSoundPlaybackProc, device); if(pData->thread == NULL) hr = E_FAIL; } @@ -529,7 +582,7 @@ retry_open: static void DSoundStopPlayback(ALCdevice *device) { - DSoundData *pData = device->ExtraData; + DSoundPlaybackData *pData = device->ExtraData; if(!pData->thread) return; @@ -550,17 +603,289 @@ static void DSoundStopPlayback(ALCdevice *device) } +static ALCenum DSoundOpenCapture(ALCdevice *device, const ALCchar *deviceName) +{ + DSoundCaptureData *pData = NULL; + WAVEFORMATEXTENSIBLE InputType; + DSCBUFFERDESC DSCBDescription; + LPGUID guid = NULL; + HRESULT hr, hrcom; + ALuint samples; + + if(!CaptureDeviceList) + { + /* Initialize COM to prevent name truncation */ + hrcom = CoInitialize(NULL); + hr = DirectSoundCaptureEnumerateA(DSoundEnumCaptureDevices, NULL); + if(FAILED(hr)) + ERR("Error enumerating DirectSound devices (%#x)!\n", (unsigned int)hr); + if(SUCCEEDED(hrcom)) + CoUninitialize(); + } + + if(!deviceName && NumCaptureDevices > 0) + { + deviceName = CaptureDeviceList[0].name; + guid = &CaptureDeviceList[0].guid; + } + else + { + ALuint i; + + for(i = 0;i < NumCaptureDevices;i++) + { + if(strcmp(deviceName, CaptureDeviceList[i].name) == 0) + { + guid = &CaptureDeviceList[i].guid; + break; + } + } + if(i == NumCaptureDevices) + return ALC_INVALID_VALUE; + } + + //Initialise requested device + pData = calloc(1, sizeof(DSoundCaptureData)); + if(!pData) + return ALC_OUT_OF_MEMORY; + + hr = DS_OK; + + //DirectSoundCapture Init code + if(SUCCEEDED(hr)) + hr = DirectSoundCaptureCreate(guid, &pData->lpDSC, NULL); + if(SUCCEEDED(hr)) + { + memset(&InputType, 0, sizeof(InputType)); + + switch(device->FmtChans) + { + case DevFmtMono: + InputType.dwChannelMask = SPEAKER_FRONT_CENTER; + break; + case DevFmtStereo: + InputType.dwChannelMask = SPEAKER_FRONT_LEFT | + SPEAKER_FRONT_RIGHT; + break; + case DevFmtQuad: + InputType.dwChannelMask = SPEAKER_FRONT_LEFT | + SPEAKER_FRONT_RIGHT | + SPEAKER_BACK_LEFT | + SPEAKER_BACK_RIGHT; + break; + case DevFmtX51: + InputType.dwChannelMask = SPEAKER_FRONT_LEFT | + SPEAKER_FRONT_RIGHT | + SPEAKER_FRONT_CENTER | + SPEAKER_LOW_FREQUENCY | + SPEAKER_BACK_LEFT | + SPEAKER_BACK_RIGHT; + break; + case DevFmtX51Side: + InputType.dwChannelMask = SPEAKER_FRONT_LEFT | + SPEAKER_FRONT_RIGHT | + SPEAKER_FRONT_CENTER | + SPEAKER_LOW_FREQUENCY | + SPEAKER_SIDE_LEFT | + SPEAKER_SIDE_RIGHT; + break; + case DevFmtX61: + InputType.dwChannelMask = SPEAKER_FRONT_LEFT | + SPEAKER_FRONT_RIGHT | + SPEAKER_FRONT_CENTER | + SPEAKER_LOW_FREQUENCY | + SPEAKER_BACK_CENTER | + SPEAKER_SIDE_LEFT | + SPEAKER_SIDE_RIGHT; + break; + case DevFmtX71: + InputType.dwChannelMask = SPEAKER_FRONT_LEFT | + SPEAKER_FRONT_RIGHT | + SPEAKER_FRONT_CENTER | + SPEAKER_LOW_FREQUENCY | + SPEAKER_BACK_LEFT | + SPEAKER_BACK_RIGHT | + SPEAKER_SIDE_LEFT | + SPEAKER_SIDE_RIGHT; + break; + } + + InputType.Format.wFormatTag = WAVE_FORMAT_PCM; + InputType.Format.nChannels = ChannelsFromDevFmt(device->FmtChans); + InputType.Format.wBitsPerSample = BytesFromDevFmt(device->FmtType) * 8; + InputType.Format.nBlockAlign = InputType.Format.nChannels*InputType.Format.wBitsPerSample/8; + InputType.Format.nSamplesPerSec = device->Frequency; + InputType.Format.nAvgBytesPerSec = InputType.Format.nSamplesPerSec*InputType.Format.nBlockAlign; + InputType.Format.cbSize = 0; + + if(InputType.Format.nChannels > 2 || device->FmtType == DevFmtFloat) + { + InputType.Format.wFormatTag = WAVE_FORMAT_EXTENSIBLE; + InputType.Format.cbSize = sizeof(WAVEFORMATEXTENSIBLE) - sizeof(WAVEFORMATEX); + InputType.Samples.wValidBitsPerSample = InputType.Format.wBitsPerSample; + if(device->FmtType == DevFmtFloat) + InputType.SubFormat = KSDATAFORMAT_SUBTYPE_IEEE_FLOAT; + else + InputType.SubFormat = KSDATAFORMAT_SUBTYPE_PCM; + } + + samples = device->UpdateSize * device->NumUpdates; + samples = maxu(samples, 100 * device->Frequency / 1000); + + memset(&DSCBDescription, 0, sizeof(DSCBUFFERDESC)); + DSCBDescription.dwSize = sizeof(DSCBUFFERDESC); + DSCBDescription.dwFlags = 0; + DSCBDescription.dwBufferBytes = samples * InputType.Format.nBlockAlign; + DSCBDescription.lpwfxFormat = &InputType.Format; + + hr = IDirectSoundCapture_CreateCaptureBuffer(pData->lpDSC, &DSCBDescription, &pData->DSCbuffer, NULL); + } + if(SUCCEEDED(hr)) + { + pData->pRing = CreateRingBuffer(InputType.Format.nBlockAlign, device->UpdateSize * device->NumUpdates); + if(pData->pRing == NULL) + hr = DSERR_OUTOFMEMORY; + } + + if(FAILED(hr)) + { + ERR("Device init failed: 0x%08lx\n", hr); + + DestroyRingBuffer(pData->pRing); + pData->pRing = NULL; + if(pData->DSCbuffer != NULL) + IDirectSoundCaptureBuffer_Release(pData->DSCbuffer); + pData->DSCbuffer = NULL; + if(pData->lpDSC) + IDirectSoundCapture_Release(pData->lpDSC); + pData->lpDSC = NULL; + + free(pData); + return ALC_INVALID_VALUE; + } + + pData->dwBufferBytes = DSCBDescription.dwBufferBytes; + SetDefaultWFXChannelOrder(device); + + device->szDeviceName = strdup(deviceName); + device->ExtraData = pData; + + return ALC_NO_ERROR; +} + +static void DSoundCloseCapture(ALCdevice *device) +{ + DSoundCaptureData *pData = device->ExtraData; + + DestroyRingBuffer(pData->pRing); + pData->pRing = NULL; + + if(pData->DSCbuffer != NULL) + { + IDirectSoundCaptureBuffer_Stop(pData->DSCbuffer); + IDirectSoundCaptureBuffer_Release(pData->DSCbuffer); + pData->DSCbuffer = NULL; + } + + IDirectSoundCapture_Release(pData->lpDSC); + pData->lpDSC = NULL; + + free(pData); + device->ExtraData = NULL; +} + +static void DSoundStartCapture(ALCdevice *device) +{ + DSoundCaptureData *pData = device->ExtraData; + HRESULT hr; + + hr = IDirectSoundCaptureBuffer_Start(pData->DSCbuffer, DSCBSTART_LOOPING); + if(FAILED(hr)) + { + ERR("start failed: 0x%08lx\n", hr); + aluHandleDisconnect(device); + } +} + +static void DSoundStopCapture(ALCdevice *device) +{ + DSoundCaptureData *pData = device->ExtraData; + HRESULT hr; + + hr = IDirectSoundCaptureBuffer_Stop(pData->DSCbuffer); + if(FAILED(hr)) + { + ERR("stop failed: 0x%08lx\n", hr); + aluHandleDisconnect(device); + } +} + +static ALCenum DSoundCaptureSamples(ALCdevice *pDevice, ALCvoid *pBuffer, ALCuint lSamples) +{ + DSoundCaptureData *pData = pDevice->ExtraData; + ReadRingBuffer(pData->pRing, pBuffer, lSamples); + return ALC_NO_ERROR; +} + +static ALCuint DSoundAvailableSamples(ALCdevice *pDevice) +{ + DSoundCaptureData *pData = pDevice->ExtraData; + DWORD dwRead, dwCursor, dwBufferBytes, dwNumBytes; + void *pvAudio1, *pvAudio2; + DWORD dwAudioBytes1, dwAudioBytes2; + DWORD FrameSize; + HRESULT hr; + + if(!pDevice->Connected) + goto done; + + FrameSize = FrameSizeFromDevFmt(pDevice->FmtChans, pDevice->FmtType); + dwBufferBytes = pData->dwBufferBytes; + dwCursor = pData->dwCursor; + + hr = IDirectSoundCaptureBuffer_GetCurrentPosition(pData->DSCbuffer, NULL, &dwRead); + if(SUCCEEDED(hr)) + { + dwNumBytes = (dwBufferBytes + dwRead - dwCursor) % dwBufferBytes; + if(dwNumBytes == 0) + goto done; + hr = IDirectSoundCaptureBuffer_Lock(pData->DSCbuffer, + dwCursor, dwNumBytes, + &pvAudio1, &dwAudioBytes1, + &pvAudio2, &dwAudioBytes2, 0); + } + if(SUCCEEDED(hr)) + { + WriteRingBuffer(pData->pRing, pvAudio1, dwAudioBytes1/FrameSize); + if(pvAudio2 != NULL) + WriteRingBuffer(pData->pRing, pvAudio2, dwAudioBytes2/FrameSize); + hr = IDirectSoundCaptureBuffer_Unlock(pData->DSCbuffer, + pvAudio1, dwAudioBytes1, + pvAudio2, dwAudioBytes2); + pData->dwCursor = (dwCursor + dwAudioBytes1 + dwAudioBytes2) % dwBufferBytes; + } + + if(FAILED(hr)) + { + ERR("update failed: 0x%08lx\n", hr); + aluHandleDisconnect(pDevice); + } + +done: + return RingBufferSize(pData->pRing); +} + static const BackendFuncs DSoundFuncs = { DSoundOpenPlayback, DSoundClosePlayback, DSoundResetPlayback, DSoundStopPlayback, - NULL, - NULL, - NULL, - NULL, - NULL, - NULL + DSoundOpenCapture, + DSoundCloseCapture, + DSoundStartCapture, + DSoundStopCapture, + DSoundCaptureSamples, + DSoundAvailableSamples }; @@ -576,20 +901,26 @@ void alcDSoundDeinit(void) { ALuint i; - for(i = 0;i < NumDevices;++i) - free(DeviceList[i].name); - free(DeviceList); - DeviceList = NULL; - NumDevices = 0; + for(i = 0;i < NumPlaybackDevices;++i) + free(PlaybackDeviceList[i].name); + free(PlaybackDeviceList); + PlaybackDeviceList = NULL; + NumPlaybackDevices = 0; + + for(i = 0;i < NumCaptureDevices;++i) + free(CaptureDeviceList[i].name); + free(CaptureDeviceList); + CaptureDeviceList = NULL; + NumCaptureDevices = 0; if(ds_handle) - FreeLibrary(ds_handle); + CloseLib(ds_handle); ds_handle = NULL; } void alcDSoundProbe(enum DevProbe type) { - HRESULT hr; + HRESULT hr, hrcom; ALuint i; switch(type) @@ -599,23 +930,41 @@ void alcDSoundProbe(enum DevProbe type) break; case ALL_DEVICE_PROBE: - for(i = 0;i < NumDevices;++i) - free(DeviceList[i].name); - free(DeviceList); - DeviceList = NULL; - NumDevices = 0; + for(i = 0;i < NumPlaybackDevices;++i) + free(PlaybackDeviceList[i].name); + free(PlaybackDeviceList); + PlaybackDeviceList = NULL; + NumPlaybackDevices = 0; - hr = DirectSoundEnumerateA(DSoundEnumDevices, NULL); + hr = DirectSoundEnumerateA(DSoundEnumPlaybackDevices, NULL); if(FAILED(hr)) - ERR("Error enumerating DirectSound devices (%#x)!\n", (unsigned int)hr); + ERR("Error enumerating DirectSound playback devices (%#x)!\n", (unsigned int)hr); else { - for(i = 0;i < NumDevices;i++) - AppendAllDeviceList(DeviceList[i].name); + for(i = 0;i < NumPlaybackDevices;i++) + AppendAllDeviceList(PlaybackDeviceList[i].name); } break; case CAPTURE_DEVICE_PROBE: + for(i = 0;i < NumCaptureDevices;++i) + free(CaptureDeviceList[i].name); + free(CaptureDeviceList); + CaptureDeviceList = NULL; + NumCaptureDevices = 0; + + /* Initialize COM to prevent name truncation */ + hrcom = CoInitialize(NULL); + hr = DirectSoundCaptureEnumerateA(DSoundEnumCaptureDevices, NULL); + if(FAILED(hr)) + ERR("Error enumerating DirectSound capture devices (%#x)!\n", (unsigned int)hr); + else + { + for(i = 0;i < NumCaptureDevices;i++) + AppendCaptureDeviceList(CaptureDeviceList[i].name); + } + if(SUCCEEDED(hrcom)) + CoUninitialize(); break; } } |