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;
}