static void DSOUND_RecalcPrimary(DirectSoundDevice *device) { TRACE("(%p)\n", device); device->fraglen = DSOUND_fraglen(device->pwfx->nSamplesPerSec, device->pwfx->nBlockAlign); device->helfrags = device->buflen / device->fraglen; TRACE("fraglen=%d helfrags=%d\n", device->fraglen, device->helfrags); /* calculate the 10ms write lead */ device->writelead = (device->pwfx->nSamplesPerSec / 100) * device->pwfx->nBlockAlign; }
static void DSOUND_RecalcPrimary(DirectSoundDevice *device) { TRACE("(%p)\n", device); device->fraglen = DSOUND_fraglen(device->pwfx->nSamplesPerSec, device->pwfx->nBlockAlign); device->helfrags = device->buflen / device->fraglen; TRACE("fraglen=%d helfrags=%d\n", device->fraglen, device->helfrags); if (device->hwbuf && device->drvdesc.dwFlags & DSDDESC_DONTNEEDWRITELEAD) device->writelead = 0; else /* calculate the 10ms write lead */ device->writelead = (device->pwfx->nSamplesPerSec / 100) * device->pwfx->nBlockAlign; }
HRESULT DSOUND_ReopenDevice(DirectSoundDevice *device, BOOL forcewave) { UINT prebuf_frames; REFERENCE_TIME prebuf_rt; HRESULT hres; TRACE("(%p, %d)\n", device, forcewave); if(device->client){ IAudioClient_Release(device->client); device->client = NULL; } if(device->render){ IAudioRenderClient_Release(device->render); device->render = NULL; } if(device->clock){ IAudioClock_Release(device->clock); device->clock = NULL; } if(device->volume){ IAudioStreamVolume_Release(device->volume); device->volume = NULL; } hres = IMMDevice_Activate(device->mmdevice, &IID_IAudioClient, CLSCTX_INPROC_SERVER, NULL, (void **)&device->client); if(FAILED(hres)){ WARN("Activate failed: %08x\n", hres); return hres; } prebuf_frames = device->prebuf * DSOUND_fraglen(device->pwfx->nSamplesPerSec, device->pwfx->nBlockAlign) / device->pwfx->nBlockAlign; prebuf_rt = (10000000 * (UINT64)prebuf_frames) / device->pwfx->nSamplesPerSec; hres = IAudioClient_Initialize(device->client, AUDCLNT_SHAREMODE_SHARED, AUDCLNT_STREAMFLAGS_NOPERSIST, prebuf_rt, 0, device->pwfx, NULL); if(FAILED(hres)){ IAudioClient_Release(device->client); device->client = NULL; WARN("Initialize failed: %08x\n", hres); return hres; } hres = IAudioClient_GetService(device->client, &IID_IAudioRenderClient, (void**)&device->render); if(FAILED(hres)){ IAudioClient_Release(device->client); device->client = NULL; WARN("GetService failed: %08x\n", hres); return hres; } hres = IAudioClient_GetService(device->client, &IID_IAudioClock, (void**)&device->clock); if(FAILED(hres)){ IAudioClient_Release(device->client); IAudioRenderClient_Release(device->render); device->client = NULL; device->render = NULL; WARN("GetService failed: %08x\n", hres); return hres; } hres = IAudioClient_GetService(device->client, &IID_IAudioStreamVolume, (void**)&device->volume); if(FAILED(hres)){ IAudioClient_Release(device->client); IAudioRenderClient_Release(device->render); IAudioClock_Release(device->clock); device->client = NULL; device->render = NULL; device->clock = NULL; WARN("GetService failed: %08x\n", hres); return hres; } return S_OK; }
HRESULT DSOUND_PrimaryOpen(DirectSoundDevice *device) { IDirectSoundBufferImpl** dsb = device->buffers; LPBYTE newbuf; int i; TRACE("(%p)\n", device); device->fraglen = DSOUND_fraglen(device); /* on original windows, the buffer it set to a fixed size, no matter what the settings are. on windows this size is always fixed (tested on win-xp) */ if (!device->buflen) device->buflen = ds_hel_buflen; device->buflen -= device->buflen % device->pwfx->nBlockAlign; while(device->buflen < device->fraglen * device->prebuf){ device->buflen += ds_hel_buflen; device->buflen -= device->buflen % device->pwfx->nBlockAlign; } HeapFree(GetProcessHeap(), 0, device->mix_buffer); device->mix_buffer_len = (device->buflen / (device->pwfx->wBitsPerSample / 8)) * sizeof(float); device->mix_buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, device->mix_buffer_len); if (!device->mix_buffer) return DSERR_OUTOFMEMORY; if (device->state == STATE_PLAYING) device->state = STATE_STARTING; else if (device->state == STATE_STOPPING) device->state = STATE_STOPPED; /* reallocate emulated primary buffer */ if (device->buffer) newbuf = HeapReAlloc(GetProcessHeap(),0,device->buffer, device->buflen); else newbuf = HeapAlloc(GetProcessHeap(),0, device->buflen); if (!newbuf) { ERR("failed to allocate primary buffer\n"); return DSERR_OUTOFMEMORY; /* but the old buffer might still exist and must be re-prepared */ } device->writelead = (device->pwfx->nSamplesPerSec / 100) * device->pwfx->nBlockAlign; device->buffer = newbuf; TRACE("buflen: %u, fraglen: %u, mix_buffer_len: %u\n", device->buflen, device->fraglen, device->mix_buffer_len); if(device->pwfx->wFormatTag == WAVE_FORMAT_IEEE_FLOAT || (device->pwfx->wFormatTag == WAVE_FORMAT_EXTENSIBLE && IsEqualGUID(&((WAVEFORMATEXTENSIBLE*)device->pwfx)->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT))) device->normfunction = normfunctions[4]; else device->normfunction = normfunctions[device->pwfx->wBitsPerSample/8 - 1]; FillMemory(device->buffer, device->buflen, (device->pwfx->wBitsPerSample == 8) ? 128 : 0); FillMemory(device->mix_buffer, device->mix_buffer_len, 0); device->playpos = 0; if (device->pwfx->wFormatTag == WAVE_FORMAT_IEEE_FLOAT || (device->pwfx->wFormatTag == WAVE_FORMAT_EXTENSIBLE && IsEqualGUID(&((WAVEFORMATEXTENSIBLE*)device->pwfx)->SubFormat, &KSDATAFORMAT_SUBTYPE_IEEE_FLOAT))) device->normfunction = normfunctions[4]; else device->normfunction = normfunctions[device->pwfx->wBitsPerSample/8 - 1]; for (i = 0; i < device->nrofbuffers; i++) { RtlAcquireResourceExclusive(&dsb[i]->lock, TRUE); DSOUND_RecalcFormat(dsb[i]); RtlReleaseResource(&dsb[i]->lock); } return DS_OK; }
HRESULT DSOUND_ReopenDevice(DirectSoundDevice *device, BOOL forcewave) { UINT prebuf_frames; REFERENCE_TIME prebuf_rt; WAVEFORMATEX *wfx = NULL; HRESULT hres; REFERENCE_TIME period; DWORD period_ms; TRACE("(%p, %d)\n", device, forcewave); if(device->client){ IAudioClient_Release(device->client); device->client = NULL; } if(device->render){ IAudioRenderClient_Release(device->render); device->render = NULL; } if(device->clock){ IAudioClock_Release(device->clock); device->clock = NULL; } if(device->volume){ IAudioStreamVolume_Release(device->volume); device->volume = NULL; } hres = IMMDevice_Activate(device->mmdevice, &IID_IAudioClient, CLSCTX_INPROC_SERVER, NULL, (void **)&device->client); if(FAILED(hres)) { WARN("Activate failed: %08x\n", hres); return hres; } hres = DSOUND_WaveFormat(device, device->client, forcewave, &wfx); if (FAILED(hres)) { IAudioClient_Release(device->client); device->client = NULL; return hres; } HeapFree(GetProcessHeap(), 0, device->pwfx); device->pwfx = wfx; prebuf_frames = device->prebuf * DSOUND_fraglen(device) / device->pwfx->nBlockAlign; prebuf_rt = (10000000 * (UINT64)prebuf_frames) / device->pwfx->nSamplesPerSec; hres = IAudioClient_Initialize(device->client, AUDCLNT_SHAREMODE_SHARED, AUDCLNT_STREAMFLAGS_NOPERSIST | AUDCLNT_STREAMFLAGS_EVENTCALLBACK, prebuf_rt, 0, device->pwfx, NULL); if(FAILED(hres)){ IAudioClient_Release(device->client); device->client = NULL; WARN("Initialize failed: %08x\n", hres); return hres; } IAudioClient_SetEventHandle(device->client, device->sleepev); hres = IAudioClient_GetService(device->client, &IID_IAudioRenderClient, (void**)&device->render); if(FAILED(hres)){ IAudioClient_Release(device->client); device->client = NULL; WARN("GetService failed: %08x\n", hres); return hres; } hres = IAudioClient_GetService(device->client, &IID_IAudioClock, (void**)&device->clock); if(FAILED(hres)){ IAudioClient_Release(device->client); IAudioRenderClient_Release(device->render); device->client = NULL; device->render = NULL; WARN("GetService failed: %08x\n", hres); return hres; } hres = IAudioClient_GetService(device->client, &IID_IAudioStreamVolume, (void**)&device->volume); if(FAILED(hres)){ IAudioClient_Release(device->client); IAudioRenderClient_Release(device->render); IAudioClock_Release(device->clock); device->client = NULL; device->render = NULL; device->clock = NULL; WARN("GetService failed: %08x\n", hres); return hres; } /* Now kick off the timer so the event fires periodically */ hres = IAudioClient_Start(device->client); if (FAILED(hres)) WARN("starting failed with %08x\n", hres); hres = IAudioClient_GetStreamLatency(device->client, &period); if (FAILED(hres)) { WARN("GetStreamLatency failed with %08x\n", hres); period_ms = 10; } else period_ms = (period + 9999) / 10000; TRACE("period %u ms fraglen %u prebuf %u\n", period_ms, device->fraglen, device->prebuf); if (period_ms < 3) device->sleeptime = 5; else device->sleeptime = period_ms * 5 / 2; return S_OK; }