mirror of
https://github.com/reactos/reactos.git
synced 2024-08-29 22:58:34 +00:00
225 lines
6.2 KiB
C
225 lines
6.2 KiB
C
/*
|
|
* Generic Implementation of IBaseFilter Interface
|
|
*
|
|
* Copyright 2010 Aric Stewart, CodeWeavers
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
|
|
*/
|
|
|
|
#define COBJMACROS
|
|
|
|
#include "dshow.h"
|
|
#include "wine/debug.h"
|
|
#include "wine/unicode.h"
|
|
#include "wine/strmbase.h"
|
|
#include "uuids.h"
|
|
#include <assert.h>
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(strmbase);
|
|
|
|
static inline BaseFilter *impl_from_IBaseFilter(IBaseFilter *iface)
|
|
{
|
|
return CONTAINING_RECORD(iface, BaseFilter, IBaseFilter_iface);
|
|
}
|
|
|
|
HRESULT WINAPI BaseFilterImpl_QueryInterface(IBaseFilter * iface, REFIID riid, LPVOID * ppv)
|
|
{
|
|
TRACE("(%p)->(%s, %p)\n", iface, debugstr_guid(riid), ppv);
|
|
|
|
*ppv = NULL;
|
|
|
|
if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IPersist) ||
|
|
IsEqualIID(riid, &IID_IMediaFilter) || IsEqualIID(riid, &IID_IBaseFilter))
|
|
{
|
|
*ppv = iface;
|
|
IBaseFilter_AddRef(iface);
|
|
return S_OK;
|
|
}
|
|
|
|
return E_NOINTERFACE;
|
|
}
|
|
|
|
ULONG WINAPI BaseFilterImpl_AddRef(IBaseFilter * iface)
|
|
{
|
|
BaseFilter *This = impl_from_IBaseFilter(iface);
|
|
ULONG refCount = InterlockedIncrement(&This->refCount);
|
|
|
|
TRACE("(%p)->() AddRef from %d\n", This, refCount - 1);
|
|
|
|
return refCount;
|
|
}
|
|
|
|
ULONG WINAPI BaseFilterImpl_Release(IBaseFilter * iface)
|
|
{
|
|
BaseFilter *This = impl_from_IBaseFilter(iface);
|
|
ULONG refCount = InterlockedDecrement(&This->refCount);
|
|
|
|
TRACE("(%p)->() Release from %d\n", This, refCount + 1);
|
|
|
|
if (!refCount)
|
|
BaseFilter_Destroy(This);
|
|
|
|
return refCount;
|
|
}
|
|
|
|
HRESULT WINAPI BaseFilterImpl_GetClassID(IBaseFilter * iface, CLSID * pClsid)
|
|
{
|
|
BaseFilter *This = impl_from_IBaseFilter(iface);
|
|
TRACE("(%p)->(%p)\n", This, pClsid);
|
|
|
|
*pClsid = This->clsid;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT WINAPI BaseFilterImpl_GetState(IBaseFilter * iface, DWORD dwMilliSecsTimeout, FILTER_STATE *pState )
|
|
{
|
|
BaseFilter *This = impl_from_IBaseFilter(iface);
|
|
TRACE("(%p)->(%d, %p)\n", This, dwMilliSecsTimeout, pState);
|
|
|
|
EnterCriticalSection(&This->csFilter);
|
|
{
|
|
*pState = This->state;
|
|
}
|
|
LeaveCriticalSection(&This->csFilter);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT WINAPI BaseFilterImpl_SetSyncSource(IBaseFilter * iface, IReferenceClock *pClock)
|
|
{
|
|
BaseFilter *This = impl_from_IBaseFilter(iface);
|
|
TRACE("(%p)->(%p)\n", This, pClock);
|
|
|
|
EnterCriticalSection(&This->csFilter);
|
|
{
|
|
if (This->pClock)
|
|
IReferenceClock_Release(This->pClock);
|
|
This->pClock = pClock;
|
|
if (This->pClock)
|
|
IReferenceClock_AddRef(This->pClock);
|
|
}
|
|
LeaveCriticalSection(&This->csFilter);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT WINAPI BaseFilterImpl_GetSyncSource(IBaseFilter * iface, IReferenceClock **ppClock)
|
|
{
|
|
BaseFilter *This = impl_from_IBaseFilter(iface);
|
|
TRACE("(%p)->(%p)\n", This, ppClock);
|
|
|
|
EnterCriticalSection(&This->csFilter);
|
|
{
|
|
*ppClock = This->pClock;
|
|
if (This->pClock)
|
|
IReferenceClock_AddRef(This->pClock);
|
|
}
|
|
LeaveCriticalSection(&This->csFilter);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT WINAPI BaseFilterImpl_EnumPins(IBaseFilter * iface, IEnumPins **ppEnum)
|
|
{
|
|
BaseFilter *This = impl_from_IBaseFilter(iface);
|
|
|
|
TRACE("(%p)->(%p)\n", iface, ppEnum);
|
|
|
|
return EnumPins_Construct(This, This->pFuncsTable->pfnGetPin, This->pFuncsTable->pfnGetPinCount, BaseFilterImpl_GetPinVersion, ppEnum);
|
|
}
|
|
|
|
|
|
HRESULT WINAPI BaseFilterImpl_QueryFilterInfo(IBaseFilter * iface, FILTER_INFO *pInfo)
|
|
{
|
|
BaseFilter *This = impl_from_IBaseFilter(iface);
|
|
TRACE("(%p)->(%p)\n", This, pInfo);
|
|
|
|
strcpyW(pInfo->achName, This->filterInfo.achName);
|
|
pInfo->pGraph = This->filterInfo.pGraph;
|
|
|
|
if (pInfo->pGraph)
|
|
IFilterGraph_AddRef(pInfo->pGraph);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT WINAPI BaseFilterImpl_JoinFilterGraph(IBaseFilter * iface, IFilterGraph *pGraph, LPCWSTR pName )
|
|
{
|
|
BaseFilter *This = impl_from_IBaseFilter(iface);
|
|
|
|
TRACE("(%p)->(%p, %s)\n", This, pGraph, debugstr_w(pName));
|
|
|
|
EnterCriticalSection(&This->csFilter);
|
|
{
|
|
if (pName)
|
|
strcpyW(This->filterInfo.achName, pName);
|
|
else
|
|
*This->filterInfo.achName = '\0';
|
|
This->filterInfo.pGraph = pGraph; /* NOTE: do NOT increase ref. count */
|
|
}
|
|
LeaveCriticalSection(&This->csFilter);
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT WINAPI BaseFilterImpl_QueryVendorInfo(IBaseFilter * iface, LPWSTR *pVendorInfo)
|
|
{
|
|
TRACE("(%p)->(%p)\n", iface, pVendorInfo);
|
|
return E_NOTIMPL;
|
|
}
|
|
|
|
LONG WINAPI BaseFilterImpl_GetPinVersion(BaseFilter * This)
|
|
{
|
|
TRACE("(%p)\n", This);
|
|
return This->pinVersion;
|
|
}
|
|
|
|
VOID WINAPI BaseFilterImpl_IncrementPinVersion(BaseFilter * This)
|
|
{
|
|
InterlockedIncrement(&This->pinVersion);
|
|
TRACE("(%p) -> New pinVersion %i\n", This,This->pinVersion);
|
|
}
|
|
|
|
HRESULT WINAPI BaseFilter_Init(BaseFilter * This, const IBaseFilterVtbl *Vtbl, const CLSID *pClsid, DWORD_PTR DebugInfo, const BaseFilterFuncTable* pBaseFuncsTable)
|
|
{
|
|
This->IBaseFilter_iface.lpVtbl = Vtbl;
|
|
This->refCount = 1;
|
|
InitializeCriticalSection(&This->csFilter);
|
|
This->state = State_Stopped;
|
|
This->rtStreamStart = 0;
|
|
This->pClock = NULL;
|
|
ZeroMemory(&This->filterInfo, sizeof(FILTER_INFO));
|
|
This->clsid = *pClsid;
|
|
This->csFilter.DebugInfo->Spare[0] = DebugInfo;
|
|
This->pinVersion = 1;
|
|
|
|
This->pFuncsTable = pBaseFuncsTable;
|
|
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT WINAPI BaseFilter_Destroy(BaseFilter * This)
|
|
{
|
|
if (This->pClock)
|
|
IReferenceClock_Release(This->pClock);
|
|
|
|
This->IBaseFilter_iface.lpVtbl = NULL;
|
|
This->csFilter.DebugInfo->Spare[0] = 0;
|
|
DeleteCriticalSection(&This->csFilter);
|
|
|
|
return S_OK;
|
|
}
|