mirror of
https://github.com/reactos/reactos.git
synced 2024-10-29 19:13:58 +00:00
256 lines
6.9 KiB
C
256 lines
6.9 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS Configuration of network devices
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* FILE: dll/directx/dsound_new/notify.c
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* PURPOSE: IDirectSoundNotify implementation
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*
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* PROGRAMMERS: Johannes Anderwald (johannes.anderwald@reactos.org)
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*/
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#include "precomp.h"
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typedef struct tagNOTIFYEVENT
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{
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DWORD NotifyCount;
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PLOOPEDSTREAMING_POSITION_EVENT_DATA Notify;
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struct tagNOTIFYEVENT *lpNext;
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}NOTIFYEVENT, *LPNOTIFYEVENT;
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typedef struct
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{
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IDirectSoundNotifyVtbl * lpVtbl;
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LONG ref;
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LPNOTIFYEVENT EventListHead;
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BOOL bLoop;
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BOOL bMix;
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HANDLE hPin;
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DWORD BufferSize;
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}CDirectSoundNotifyImpl, *LPCDirectSoundNotifyImpl;
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static
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ULONG
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WINAPI
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IDirectSoundNotify_fnAddRef(
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LPDIRECTSOUNDNOTIFY iface)
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{
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ULONG ref;
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LPCDirectSoundNotifyImpl This = (LPCDirectSoundNotifyImpl)CONTAINING_RECORD(iface, CDirectSoundNotifyImpl, lpVtbl);
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/* increment reference count */
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ref = InterlockedIncrement(&This->ref);
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return ref;
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}
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static
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ULONG
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WINAPI
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IDirectSoundNotify_fnRelease(
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LPDIRECTSOUNDNOTIFY iface)
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{
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ULONG ref;
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LPCDirectSoundNotifyImpl This = (LPCDirectSoundNotifyImpl)CONTAINING_RECORD(iface, CDirectSoundNotifyImpl, lpVtbl);
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ref = InterlockedDecrement(&(This->ref));
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if (!ref)
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{
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HeapFree(GetProcessHeap(), 0, This);
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}
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return ref;
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}
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HRESULT
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WINAPI
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IDirectSoundNotify_fnQueryInterface(
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LPDIRECTSOUNDNOTIFY iface,
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IN REFIID riid,
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LPVOID* ppobj)
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{
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LPCDirectSoundNotifyImpl This = (LPCDirectSoundNotifyImpl)CONTAINING_RECORD(iface, CDirectSoundNotifyImpl, lpVtbl);
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/* check if the interface is supported */
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if (IsEqualIID(riid, &IID_IDirectSoundNotify) || IsEqualIID(riid, &IID_IUnknown))
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{
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*ppobj = (LPVOID)&This->lpVtbl;
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InterlockedIncrement(&This->ref);
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return S_OK;
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}
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return E_NOINTERFACE;
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}
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HRESULT
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WINAPI
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IDirectSoundNotify_fnSetNotificationPositions(
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LPDIRECTSOUNDNOTIFY iface,
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DWORD dwPositionNotifies,
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LPCDSBPOSITIONNOTIFY pcPositionNotifies)
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{
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DWORD Index;
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LPNOTIFYEVENT Notify;
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DWORD Result;
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KSEVENT Request;
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LPCDirectSoundNotifyImpl This = (LPCDirectSoundNotifyImpl)CONTAINING_RECORD(iface, CDirectSoundNotifyImpl, lpVtbl);
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if (dwPositionNotifies > DSBNOTIFICATIONS_MAX)
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{
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/* invalid param */
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return DSERR_INVALIDPARAM;
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}
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/* verify notification event handles */
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for(Index = 0; Index < dwPositionNotifies; Index++)
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{
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ASSERT(pcPositionNotifies[Index].hEventNotify);
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ASSERT(pcPositionNotifies[Index].dwOffset < This->BufferSize || pcPositionNotifies[Index].dwOffset != DSBPN_OFFSETSTOP);
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if (pcPositionNotifies[Index].hEventNotify == NULL)
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return DSERR_INVALIDPARAM;
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if (pcPositionNotifies[Index].dwOffset > This->BufferSize && pcPositionNotifies[Index].dwOffset != DSBPN_OFFSETSTOP)
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return DSERR_INVALIDPARAM;
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}
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/* allocate new array */
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Notify = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(NOTIFYEVENT));
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if (!Notify)
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{
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/* not enough memory */
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return DSERR_OUTOFMEMORY;
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}
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/* allocate new array */
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Notify->Notify = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, dwPositionNotifies * sizeof(LOOPEDSTREAMING_POSITION_EVENT_DATA));
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if (!Notify->Notify)
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{
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/* not enough memory */
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HeapFree(GetProcessHeap(), 0, Notify);
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return DSERR_OUTOFMEMORY;
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}
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/* FIXME support non-looped streaming */
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ASSERT(This->bLoop);
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/* prepare request */
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Request.Set = KSEVENTSETID_LoopedStreaming;
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Request.Id = KSEVENT_LOOPEDSTREAMING_POSITION;
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Request.Flags = KSEVENT_TYPE_ENABLE;
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for(Index = 0; Index < dwPositionNotifies; Index++)
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{
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/* initialize event entries */
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Notify->Notify[Index].Position = pcPositionNotifies[Index].dwOffset;
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Notify->Notify[Index].KsEventData.EventHandle.Event = pcPositionNotifies[Index].hEventNotify;
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Notify->Notify[Index].KsEventData.NotificationType = KSEVENTF_EVENT_HANDLE;
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if (This->bMix == FALSE)
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{
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/* format is supported natively */
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Result = SyncOverlappedDeviceIoControl(This->hPin, IOCTL_KS_ENABLE_EVENT, (PVOID)&Request, sizeof(KSEVENT), (PVOID)&Notify->Notify[Index], sizeof(LOOPEDSTREAMING_POSITION_EVENT_DATA), NULL);
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if (Result != ERROR_SUCCESS)
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{
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DPRINT1("Failed to enable event %p Position %u\n", pcPositionNotifies[Index].hEventNotify, pcPositionNotifies[Index].dwOffset);
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}
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}
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}
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/* enlarge notify count */
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Notify->NotifyCount = dwPositionNotifies;
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if (This->EventListHead)
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{
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Notify->lpNext = This->EventListHead;
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}
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/* insert at front */
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(void)InterlockedExchangePointer((LPVOID*)&This->EventListHead, Notify);
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return DS_OK;
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}
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static IDirectSoundNotifyVtbl vt_DirectSoundNotify =
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{
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/* IUnknown methods */
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IDirectSoundNotify_fnQueryInterface,
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IDirectSoundNotify_fnAddRef,
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IDirectSoundNotify_fnRelease,
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/* IDirectSoundNotify */
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IDirectSoundNotify_fnSetNotificationPositions
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};
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VOID
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DoNotifyPositionEvents(
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LPDIRECTSOUNDNOTIFY iface,
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DWORD OldPosition,
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DWORD NewPosition)
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{
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DWORD Index;
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LPNOTIFYEVENT CurEventList;
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LPCDirectSoundNotifyImpl This = (LPCDirectSoundNotifyImpl)CONTAINING_RECORD(iface, CDirectSoundNotifyImpl, lpVtbl);
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CurEventList = This->EventListHead;
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while(CurEventList)
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{
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for(Index = 0; Index < CurEventList->NotifyCount; Index++)
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{
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if (NewPosition > OldPosition)
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{
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/* buffer progress no overlap */
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if (OldPosition < CurEventList->Notify[Index].Position && CurEventList->Notify[Index].Position <= NewPosition)
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{
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/* process event */
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SetEvent(CurEventList->Notify[Index].KsEventData.EventHandle.Event);
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}
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}
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else
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{
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/* buffer wrap-arround */
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if (OldPosition < CurEventList->Notify[Index].Position || NewPosition > CurEventList->Notify[Index].Position)
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{
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/* process event */
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SetEvent(CurEventList->Notify[Index].KsEventData.EventHandle.Event);
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}
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}
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}
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/* iterate to next event list */
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CurEventList = CurEventList->lpNext;
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}
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}
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HRESULT
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NewDirectSoundNotify(
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LPDIRECTSOUNDNOTIFY * Notify,
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BOOL bLoop,
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BOOL bMix,
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HANDLE hPin,
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DWORD BufferSize)
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{
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LPCDirectSoundNotifyImpl This = HeapAlloc(GetProcessHeap(), 0, sizeof(CDirectSoundNotifyImpl));
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if (!This)
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return DSERR_OUTOFMEMORY;
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This->lpVtbl = &vt_DirectSoundNotify;
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This->bLoop = bLoop;
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This->bMix = bMix;
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This->hPin = hPin;
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This->ref = 1;
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This->EventListHead = NULL;
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This->BufferSize = BufferSize;
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*Notify = (LPDIRECTSOUNDNOTIFY)&This->lpVtbl;
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return DS_OK;
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}
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