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winealsa: Add support for capture notification positions.

This commit is contained in:
Maarten Lankhorst 2007-09-11 18:14:57 +02:00 committed by Alexandre Julliard
parent 30dee3a87a
commit a8da3e7f60
1 changed files with 76 additions and 2 deletions
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78
dlls/winealsa.drv/dscapture.c
View File

@ -73,6 +73,8 @@ typedef struct IDsCaptureDriverNotifyImpl
const IDsDriverNotifyVtbl *lpVtbl;
LONG ref;
IDsCaptureDriverBufferImpl *buffer;
DSBPOSITIONNOTIFY *notifies;
DWORD nrofnotifies;
} IDsCaptureDriverNotifyImpl;
struct IDsCaptureDriverBufferImpl
@ -95,6 +97,31 @@ struct IDsCaptureDriverBufferImpl
snd_pcm_uframes_t mmap_buflen_frames, mmap_pos;
};
static void Capture_CheckNotify(IDsCaptureDriverNotifyImpl *This, DWORD from, DWORD len)
{
unsigned i;
for (i = 0; i < This->nrofnotifies; ++i) {
LPDSBPOSITIONNOTIFY event = This->notifies + i;
DWORD offset = event->dwOffset;
TRACE("checking %d, position %d, event = %p\n", i, offset, event->hEventNotify);
if (offset == DSBPN_OFFSETSTOP) {
if (!from && !len) {
SetEvent(event->hEventNotify);
TRACE("signalled event %p (%d)\n", event->hEventNotify, i);
return;
}
else return;
}
if (offset >= from && offset < (from + len))
{
TRACE("signalled event %p (%d)\n", event->hEventNotify, i);
SetEvent(event->hEventNotify);
}
}
}
static HRESULT WINAPI IDsCaptureDriverNotifyImpl_QueryInterface(PIDSDRIVERNOTIFY iface, REFIID riid, LPVOID *ppobj)
{
IDsCaptureDriverNotifyImpl *This = (IDsCaptureDriverNotifyImpl *)iface;
@ -132,6 +159,7 @@ static ULONG WINAPI IDsCaptureDriverNotifyImpl_Release(PIDSDRIVERNOTIFY iface)
if (!refCount) {
This->buffer->notify = NULL;
HeapFree(GetProcessHeap(), 0, This->notifies);
HeapFree(GetProcessHeap(), 0, This);
TRACE("(%p) released\n", This);
}
@ -140,11 +168,46 @@ static ULONG WINAPI IDsCaptureDriverNotifyImpl_Release(PIDSDRIVERNOTIFY iface)
static HRESULT WINAPI IDsCaptureDriverNotifyImpl_SetNotificationPositions(PIDSDRIVERNOTIFY iface, DWORD howmuch, LPCDSBPOSITIONNOTIFY notify)
{
DWORD len = howmuch * sizeof(DSBPOSITIONNOTIFY);
unsigned i;
LPVOID notifies;
IDsCaptureDriverNotifyImpl *This = (IDsCaptureDriverNotifyImpl *)iface;
TRACE("(%p,0x%08x,%p)\n",This,howmuch,notify);
FIXME("stub\n");
return DSERR_UNSUPPORTED;
if (!notify) {
WARN("invalid parameter\n");
return DSERR_INVALIDPARAM;
}
if (TRACE_ON(dsalsa))
for (i=0;i<howmuch; ++i)
TRACE("notify at %d to %p\n", notify[i].dwOffset, notify[i].hEventNotify);
/* **** */
EnterCriticalSection(&This->buffer->pcm_crst);
/* Make an internal copy of the caller-supplied array.
* Replace the existing copy if one is already present. */
if (This->notifies)
notifies = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, This->notifies, len);
else
notifies = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, len);
if (!notifies)
{
LeaveCriticalSection(&This->buffer->pcm_crst);
/* **** */
return DSERR_OUTOFMEMORY;
}
This->notifies = notifies;
memcpy(This->notifies, notify, len);
This->nrofnotifies = howmuch;
IDsDriverBuffer_GetPosition((PIDSCDRIVERBUFFER)This->buffer, &This->playpos, NULL);
LeaveCriticalSection(&This->buffer->pcm_crst);
/* **** */
return S_OK;
}
static const IDsDriverNotifyVtbl dscdnvt =
@ -660,6 +723,14 @@ static HRESULT WINAPI IDsCaptureDriverBufferImpl_Start(PIDSCDRIVERBUFFER iface,
FIXME("Non-looping buffers are not properly supported!\n");
CommitAll(This, TRUE);
if (This->notify && This->notify->nrofnotifies && This->notify->notifies)
{
DWORD playpos = realpos_to_fakepos(This, This->mmap_pos);
if (playpos)
Capture_CheckNotify(This->notify, 0, playpos);
This->notify->playpos = playpos;
}
/* **** */
LeaveCriticalSection(&This->pcm_crst);
return DS_OK;
@ -676,6 +747,9 @@ static HRESULT WINAPI IDsCaptureDriverBufferImpl_Stop(PIDSCDRIVERBUFFER iface)
snd_pcm_drop(This->pcm);
snd_pcm_prepare(This->pcm);
if (This->notify && This->notify->notifies && This->notify->nrofnotifies)
Capture_CheckNotify(This->notify, 0, 0);
/* **** */
LeaveCriticalSection(&This->pcm_crst);
return DS_OK;