Sweden-Number/dlls/quartz/xform.c

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/*
* Implements IBaseFilter for transform filters. (internal)
*
* hidenori@a2.ctktv.ne.jp
*/
#include "config.h"
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winerror.h"
#include "strmif.h"
#include "control.h"
#include "vfwmsgs.h"
#include "uuids.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(quartz);
#include "quartz_private.h"
#include "xform.h"
#include "sample.h"
static const WCHAR XFORM_DefInName[] =
{'X','F','o','r','m',' ','I','n',0};
static const WCHAR XFORM_DefOutName[] =
{'X','F','o','r','m',' ','O','u','t',0};
/***************************************************************************
*
* CTransformBaseImpl methods
*
*/
static HRESULT CTransformBaseImpl_OnActive( CBaseFilterImpl* pImpl )
{
CTransformBaseImpl_THIS(pImpl,basefilter);
TRACE( "(%p)\n", This );
return NOERROR;
}
static HRESULT CTransformBaseImpl_OnInactive( CBaseFilterImpl* pImpl )
{
CTransformBaseImpl_THIS(pImpl,basefilter);
HRESULT hr;
IMemAllocator* pAllocator;
TRACE( "(%p)\n", This );
if ( This->pInPin->pin.pPinConnectedTo == NULL ||
This->pOutPin->pin.pPinConnectedTo == NULL )
return NOERROR;
EnterCriticalSection( &This->csFilter );
pAllocator = This->m_pOutPinAllocator;
if ( pAllocator != NULL &&
This->pInPin->meminput.pAllocator != pAllocator )
{
hr = IMemAllocator_Commit( pAllocator );
if ( FAILED(hr) )
goto end;
}
if ( !This->m_bFiltering )
{
hr = This->m_pHandler->pBeginTransform( This, This->pInPin->pin.pmtConn, This->pOutPin->pin.pmtConn, This->m_bReuseSample );
if ( FAILED(hr) )
goto end;
This->m_bFiltering = TRUE;
}
hr = NOERROR;
end:
LeaveCriticalSection( &This->csFilter );
return hr;
}
static HRESULT CTransformBaseImpl_OnStop( CBaseFilterImpl* pImpl )
{
CTransformBaseImpl_THIS(pImpl,basefilter);
IMemAllocator* pAllocator;
TRACE( "(%p)\n", This );
EnterCriticalSection( &This->csFilter );
if ( This->m_bFiltering )
{
This->m_pHandler->pEndTransform( This );
This->m_bFiltering = FALSE;
}
if ( This->m_pSample != NULL )
{
IMediaSample_Release( This->m_pSample );
This->m_pSample = NULL;
}
pAllocator = This->m_pOutPinAllocator;
if ( pAllocator != NULL &&
This->pInPin->meminput.pAllocator != pAllocator )
{
IMemAllocator_Decommit( pAllocator );
}
LeaveCriticalSection( &This->csFilter );
return NOERROR;
}
static const CBaseFilterHandlers filterhandlers =
{
CTransformBaseImpl_OnActive, /* pOnActive */
CTransformBaseImpl_OnInactive, /* pOnInactive */
CTransformBaseImpl_OnStop, /* pOnStop */
};
/***************************************************************************
*
* CTransformBaseInPinImpl methods
*
*/
static HRESULT CTransformBaseInPinImpl_OnPostConnect( CPinBaseImpl* pImpl, IPin* pPin )
{
CTransformBaseInPinImpl_THIS(pImpl,pin);
HRESULT hr;
TRACE( "(%p,%p)\n", This, pPin );
EnterCriticalSection( &This->pFilter->csFilter );
hr = This->pFilter->m_pHandler->pGetOutputTypes( This->pFilter, This->pFilter->pInPin->pin.pmtConn, &This->pFilter->pOutPin->pin.pmtAcceptTypes, &This->pFilter->pOutPin->pin.cAcceptTypes );
if ( FAILED(hr) )
goto end;
hr = NOERROR;
end:
LeaveCriticalSection( &This->pFilter->csFilter );
return hr;
}
static HRESULT CTransformBaseInPinImpl_OnDisconnect( CPinBaseImpl* pImpl )
{
CTransformBaseInPinImpl_THIS(pImpl,pin);
TRACE( "(%p)\n", This );
if ( This->meminput.pAllocator != NULL )
{
IMemAllocator_Decommit(This->meminput.pAllocator);
IMemAllocator_Release(This->meminput.pAllocator);
This->meminput.pAllocator = NULL;
}
return NOERROR;
}
static HRESULT CTransformBaseInPinImpl_CheckMediaType( CPinBaseImpl* pImpl, const AM_MEDIA_TYPE* pmt )
{
CTransformBaseInPinImpl_THIS(pImpl,pin);
HRESULT hr;
TRACE( "(%p,%p)\n", This, pmt );
EnterCriticalSection( &This->pFilter->csFilter );
hr = This->pFilter->m_pHandler->pCheckMediaType( This->pFilter, pmt, (This->pFilter->pOutPin->pin.pPinConnectedTo != NULL) ? This->pFilter->pOutPin->pin.pmtConn : NULL );
LeaveCriticalSection( &This->pFilter->csFilter );
return hr;
}
static HRESULT CTransformBaseInPinImpl_Receive( CPinBaseImpl* pImpl, IMediaSample* pSample )
{
CTransformBaseInPinImpl_THIS(pImpl,pin);
HRESULT hr;
TRACE( "(%p,%p)\n", This, pSample );
if ( This->pin.pPinConnectedTo == NULL ||
This->pFilter->pOutPin->pin.pPinConnectedTo == NULL )
return NOERROR;
if ( !This->pFilter->m_bFiltering )
return E_UNEXPECTED;
if ( This->pFilter->m_bInFlush )
return S_FALSE;
if ( This->meminput.pAllocator != This->pFilter->m_pOutPinAllocator )
{
if ( This->pFilter->m_pSample == NULL )
{
hr = IMemAllocator_GetBuffer( This->pFilter->m_pOutPinAllocator, &This->pFilter->m_pSample, NULL, NULL, 0 );
if ( FAILED(hr) )
goto end;
}
hr = QUARTZ_IMediaSample_Copy(
This->pFilter->m_pSample, pSample, This->pFilter->m_bPreCopy );
if ( FAILED(hr) )
goto end;
}
if ( This->pFilter->m_bPreCopy )
hr = This->pFilter->m_pHandler->pTransform( This->pFilter, This->pFilter->m_pSample, NULL );
else
hr = This->pFilter->m_pHandler->pTransform( This->pFilter, pSample, This->pFilter->m_pSample );
if ( FAILED(hr) )
goto end;
if ( hr == NOERROR )
{
hr = CPinBaseImpl_SendSample(&This->pFilter->pOutPin->pin,This->pFilter->m_pSample);
if ( FAILED(hr) )
goto end;
}
hr = NOERROR;
end:
if ( !This->pFilter->m_bReuseSample )
{
if ( This->pFilter->m_pSample != NULL )
{
IMediaSample_Release( This->pFilter->m_pSample );
This->pFilter->m_pSample = NULL;
}
}
if ( FAILED(hr) )
{
/* Notify(ABORT) */
}
return hr;
}
static HRESULT CTransformBaseInPinImpl_ReceiveCanBlock( CPinBaseImpl* pImpl )
{
CTransformBaseInPinImpl_THIS(pImpl,pin);
TRACE( "(%p)\n", This );
if ( This->pin.pPinConnectedTo == NULL ||
This->pFilter->pOutPin->pin.pPinConnectedTo == NULL )
return S_FALSE;
return CPinBaseImpl_SendReceiveCanBlock( &This->pFilter->pOutPin->pin );
}
static HRESULT CTransformBaseInPinImpl_EndOfStream( CPinBaseImpl* pImpl )
{
CTransformBaseInPinImpl_THIS(pImpl,pin);
TRACE( "(%p)\n", This );
if ( This->pin.pPinConnectedTo == NULL ||
This->pFilter->pOutPin->pin.pPinConnectedTo == NULL )
return NOERROR;
return CPinBaseImpl_SendEndOfStream( &This->pFilter->pOutPin->pin );
}
static HRESULT CTransformBaseInPinImpl_BeginFlush( CPinBaseImpl* pImpl )
{
CTransformBaseInPinImpl_THIS(pImpl,pin);
TRACE( "(%p)\n", This );
if ( This->pin.pPinConnectedTo == NULL ||
This->pFilter->pOutPin->pin.pPinConnectedTo == NULL )
return NOERROR;
This->pFilter->m_bInFlush = TRUE;
return CPinBaseImpl_SendBeginFlush( &This->pFilter->pOutPin->pin );
}
static HRESULT CTransformBaseInPinImpl_EndFlush( CPinBaseImpl* pImpl )
{
CTransformBaseInPinImpl_THIS(pImpl,pin);
TRACE( "(%p)\n", This );
if ( This->pin.pPinConnectedTo == NULL ||
This->pFilter->pOutPin->pin.pPinConnectedTo == NULL )
return NOERROR;
This->pFilter->m_bInFlush = FALSE;
return CPinBaseImpl_SendEndFlush( &This->pFilter->pOutPin->pin );
}
static HRESULT CTransformBaseInPinImpl_NewSegment( CPinBaseImpl* pImpl, REFERENCE_TIME rtStart, REFERENCE_TIME rtStop, double rate )
{
CTransformBaseInPinImpl_THIS(pImpl,pin);
FIXME( "(%p)\n", This );
if ( This->pin.pPinConnectedTo == NULL ||
This->pFilter->pOutPin->pin.pPinConnectedTo == NULL )
return NOERROR;
return CPinBaseImpl_SendNewSegment( &This->pFilter->pOutPin->pin,
rtStart, rtStop, rate );
}
static const CBasePinHandlers inputpinhandlers =
{
NULL, /* pOnPreConnect */
CTransformBaseInPinImpl_OnPostConnect, /* pOnPostConnect */
CTransformBaseInPinImpl_OnDisconnect, /* pOnDisconnect */
CTransformBaseInPinImpl_CheckMediaType, /* pCheckMediaType */
NULL, /* pQualityNotify */
CTransformBaseInPinImpl_Receive, /* pReceive */
CTransformBaseInPinImpl_ReceiveCanBlock, /* pReceiveCanBlock */
CTransformBaseInPinImpl_EndOfStream, /* pEndOfStream */
CTransformBaseInPinImpl_BeginFlush, /* pBeginFlush */
CTransformBaseInPinImpl_EndFlush, /* pEndFlush */
CTransformBaseInPinImpl_NewSegment, /* pNewSegment */
};
/***************************************************************************
*
* CTransformBaseOutPinImpl methods
*
*/
static HRESULT CTransformBaseOutPinImpl_OnPostConnect( CPinBaseImpl* pImpl, IPin* pPin )
{
CTransformBaseOutPinImpl_THIS(pImpl,pin);
HRESULT hr;
ALLOCATOR_PROPERTIES propReqThis;
ALLOCATOR_PROPERTIES propReqPeer;
ALLOCATOR_PROPERTIES propActual;
BOOL bTransInPlace = FALSE;
BOOL bTryToReUseSample = FALSE;
BOOL bOutReadonly = FALSE;
IMemAllocator* pAllocator;
FIXME( "(%p,%p)\n", This, pPin );
if ( This->pFilter->pInPin->pin.pPinConnectedTo == NULL )
return E_FAIL;
if ( This->pin.pMemInputPinConnectedTo == NULL )
return E_UNEXPECTED;
ZeroMemory( &propReqThis, sizeof(ALLOCATOR_PROPERTIES) );
ZeroMemory( &propReqPeer, sizeof(ALLOCATOR_PROPERTIES) );
ZeroMemory( &propActual, sizeof(ALLOCATOR_PROPERTIES) );
hr = This->pFilter->m_pHandler->pGetAllocProp( This->pFilter, This->pFilter->pInPin->pin.pmtConn, This->pin.pmtConn, &propReqThis, &bTransInPlace, &bTryToReUseSample );
if ( FAILED(hr) )
goto end;
if ( propReqThis.cbAlign == 0 )
propReqThis.cbAlign = 1;
if ( bTransInPlace )
{
ZeroMemory( &propReqPeer, sizeof(ALLOCATOR_PROPERTIES) );
hr = IMemInputPin_GetAllocatorRequirements(
This->pin.pMemInputPinConnectedTo, &propReqPeer );
if ( propReqPeer.cbAlign != 0 && propReqPeer.cbAlign != 1 )
bTransInPlace = FALSE;
if ( propReqPeer.cbPrefix != 0 )
bTransInPlace = FALSE;
bOutReadonly = FALSE;
if ( bTransInPlace && This->pFilter->pInPin->meminput.bReadonly )
bOutReadonly = TRUE;
pAllocator = This->pFilter->pInPin->meminput.pAllocator;
hr = IMemInputPin_NotifyAllocator(
This->pin.pMemInputPinConnectedTo,
pAllocator, bOutReadonly );
if ( hr == NOERROR )
{
This->pFilter->m_pOutPinAllocator = pAllocator;
IMemAllocator_AddRef(pAllocator);
bTryToReUseSample = FALSE;
goto end;
}
}
hr = IMemInputPin_GetAllocator(
This->pin.pMemInputPinConnectedTo, &pAllocator );
if ( FAILED(hr) )
goto end;
hr = IMemAllocator_SetProperties( pAllocator, &propReqThis, &propActual );
if ( SUCCEEDED(hr) )
{
TRACE("cBuffers = %ld / cbBuffer = %ld\n",propActual.cBuffers,propActual.cbBuffer);
hr = IMemInputPin_NotifyAllocator(
This->pin.pMemInputPinConnectedTo, pAllocator,
bTryToReUseSample );
}
if ( FAILED(hr) )
{
IMemAllocator_Release(pAllocator);
goto end;
}
This->pFilter->m_pOutPinAllocator = pAllocator;
hr = NOERROR;
end:
This->pFilter->m_bPreCopy = FALSE;
This->pFilter->m_bReuseSample = FALSE;
if ( hr == NOERROR )
{
This->pFilter->m_bPreCopy = bTransInPlace && (This->pFilter->pInPin->meminput.pAllocator != This->pFilter->m_pOutPinAllocator);
This->pFilter->m_bReuseSample = bTryToReUseSample;
}
return hr;
}
static HRESULT CTransformBaseOutPinImpl_OnDisconnect( CPinBaseImpl* pImpl )
{
CTransformBaseOutPinImpl_THIS(pImpl,pin);
FIXME( "(%p)\n", This );
if ( This->pFilter->m_pOutPinAllocator != NULL )
{
IMemAllocator_Decommit(This->pFilter->m_pOutPinAllocator);
IMemAllocator_Release(This->pFilter->m_pOutPinAllocator);
This->pFilter->m_pOutPinAllocator = NULL;
}
return NOERROR;
}
static HRESULT CTransformBaseOutPinImpl_CheckMediaType( CPinBaseImpl* pImpl, const AM_MEDIA_TYPE* pmt )
{
CTransformBaseOutPinImpl_THIS(pImpl,pin);
HRESULT hr;
TRACE( "(%p,%p)\n", This, pmt );
if ( This->pFilter->pInPin->pin.pPinConnectedTo == NULL )
return E_FAIL;
EnterCriticalSection( &This->pFilter->csFilter );
hr = This->pFilter->m_pHandler->pCheckMediaType( This->pFilter, This->pFilter->pInPin->pin.pmtConn, pmt );
LeaveCriticalSection( &This->pFilter->csFilter );
return hr;
}
static const CBasePinHandlers outputpinhandlers =
{
NULL, /* pOnPreConnect */
CTransformBaseOutPinImpl_OnPostConnect, /* pOnPostConnect */
CTransformBaseOutPinImpl_OnDisconnect, /* pOnDisconnect */
CTransformBaseOutPinImpl_CheckMediaType, /* pCheckMediaType */
NULL, /* pQualityNotify */
OutputPinSync_Receive, /* pReceive */
OutputPinSync_ReceiveCanBlock, /* pReceiveCanBlock */
OutputPinSync_EndOfStream, /* pEndOfStream */
OutputPinSync_BeginFlush, /* pBeginFlush */
OutputPinSync_EndFlush, /* pEndFlush */
OutputPinSync_NewSegment, /* pNewSegment */
};
/***************************************************************************
*
* new/delete CTransformBaseImpl
*
*/
/* can I use offsetof safely? - FIXME? */
static QUARTZ_IFEntry FilterIFEntries[] =
{
{ &IID_IPersist, offsetof(CTransformBaseImpl,basefilter)-offsetof(CTransformBaseImpl,unk) },
{ &IID_IMediaFilter, offsetof(CTransformBaseImpl,basefilter)-offsetof(CTransformBaseImpl,unk) },
{ &IID_IBaseFilter, offsetof(CTransformBaseImpl,basefilter)-offsetof(CTransformBaseImpl,unk) },
};
static void QUARTZ_DestroyTransformBase(IUnknown* punk)
{
CTransformBaseImpl_THIS(punk,unk);
TRACE( "(%p)\n", This );
This->m_pHandler->pCleanup(This);
if ( This->pInPin != NULL )
{
IUnknown_Release(This->pInPin->unk.punkControl);
This->pInPin = NULL;
}
if ( This->pOutPin != NULL )
{
IUnknown_Release(This->pOutPin->unk.punkControl);
This->pOutPin = NULL;
}
if ( This->pSeekPass != NULL )
{
IUnknown_Release((IUnknown*)&This->pSeekPass->unk);
This->pSeekPass = NULL;
}
CBaseFilterImpl_UninitIBaseFilter(&This->basefilter);
DeleteCriticalSection( &This->csFilter );
}
HRESULT QUARTZ_CreateTransformBase(
IUnknown* punkOuter,void** ppobj,
const CLSID* pclsidTransformBase,
LPCWSTR pwszTransformBaseName,
LPCWSTR pwszInPinName,
LPCWSTR pwszOutPinName,
const TransformBaseHandlers* pHandler )
{
CTransformBaseImpl* This = NULL;
HRESULT hr;
TRACE("(%p,%p)\n",punkOuter,ppobj);
if ( pwszInPinName == NULL )
pwszInPinName = XFORM_DefInName;
if ( pwszOutPinName == NULL )
pwszOutPinName = XFORM_DefOutName;
This = (CTransformBaseImpl*)
QUARTZ_AllocObj( sizeof(CTransformBaseImpl) );
if ( This == NULL )
return E_OUTOFMEMORY;
This->pInPin = NULL;
This->pOutPin = NULL;
This->pSeekPass = NULL;
This->m_pOutPinAllocator = NULL;
This->m_bPreCopy = FALSE; /* sample must be copied */
This->m_bReuseSample = FALSE; /* sample must be reused */
This->m_bInFlush = FALSE;
This->m_pSample = NULL;
This->m_bFiltering = FALSE;
This->m_pHandler = pHandler;
This->m_pUserData = NULL;
QUARTZ_IUnkInit( &This->unk, punkOuter );
hr = CBaseFilterImpl_InitIBaseFilter(
&This->basefilter,
This->unk.punkControl,
pclsidTransformBase,
pwszTransformBaseName,
&filterhandlers );
if ( SUCCEEDED(hr) )
{
/* construct this class. */
hr = This->m_pHandler->pInit( This );
if ( FAILED(hr) )
{
CBaseFilterImpl_UninitIBaseFilter(&This->basefilter);
}
}
if ( FAILED(hr) )
{
QUARTZ_FreeObj(This);
return hr;
}
This->unk.pEntries = FilterIFEntries;
This->unk.dwEntries = sizeof(FilterIFEntries)/sizeof(FilterIFEntries[0]);
This->unk.pOnFinalRelease = QUARTZ_DestroyTransformBase;
InitializeCriticalSection( &This->csFilter );
/* create pins. */
hr = QUARTZ_CreateTransformBaseInPin(
This, &This->csFilter,
&This->pInPin, pwszInPinName );
if ( SUCCEEDED(hr) )
hr = QUARTZ_CompList_AddComp(
This->basefilter.pInPins,
(IUnknown*)&(This->pInPin->pin),
NULL, 0 );
if ( SUCCEEDED(hr) )
hr = QUARTZ_CreateTransformBaseOutPin(
This, &This->csFilter,
&This->pOutPin, pwszOutPinName );
if ( SUCCEEDED(hr) )
hr = QUARTZ_CompList_AddComp(
This->basefilter.pOutPins,
(IUnknown*)&(This->pOutPin->pin),
NULL, 0 );
if ( SUCCEEDED(hr) )
{
hr = QUARTZ_CreateSeekingPassThruInternal(
(IUnknown*)&(This->pOutPin->unk), &This->pSeekPass,
FALSE, (IPin*)&(This->pInPin->pin) );
}
if ( FAILED(hr) )
{
IUnknown_Release( This->unk.punkControl );
return hr;
}
*ppobj = (void*)&(This->unk);
return S_OK;
}
/***************************************************************************
*
* new/delete CTransformBaseInPinImpl
*
*/
/* can I use offsetof safely? - FIXME? */
static QUARTZ_IFEntry InPinIFEntries[] =
{
{ &IID_IPin, offsetof(CTransformBaseInPinImpl,pin)-offsetof(CTransformBaseInPinImpl,unk) },
{ &IID_IMemInputPin, offsetof(CTransformBaseInPinImpl,meminput)-offsetof(CTransformBaseInPinImpl,unk) },
};
static void QUARTZ_DestroyTransformBaseInPin(IUnknown* punk)
{
CTransformBaseInPinImpl_THIS(punk,unk);
TRACE( "(%p)\n", This );
CPinBaseImpl_UninitIPin( &This->pin );
CMemInputPinBaseImpl_UninitIMemInputPin( &This->meminput );
}
HRESULT QUARTZ_CreateTransformBaseInPin(
CTransformBaseImpl* pFilter,
CRITICAL_SECTION* pcsPin,
CTransformBaseInPinImpl** ppPin,
LPCWSTR pwszPinName )
{
CTransformBaseInPinImpl* This = NULL;
HRESULT hr;
TRACE("(%p,%p,%p)\n",pFilter,pcsPin,ppPin);
This = (CTransformBaseInPinImpl*)
QUARTZ_AllocObj( sizeof(CTransformBaseInPinImpl) );
if ( This == NULL )
return E_OUTOFMEMORY;
QUARTZ_IUnkInit( &This->unk, NULL );
This->pFilter = pFilter;
hr = CPinBaseImpl_InitIPin(
&This->pin,
This->unk.punkControl,
pcsPin,
&pFilter->basefilter,
pwszPinName,
FALSE,
&inputpinhandlers );
if ( SUCCEEDED(hr) )
{
hr = CMemInputPinBaseImpl_InitIMemInputPin(
&This->meminput,
This->unk.punkControl,
&This->pin );
if ( FAILED(hr) )
{
CPinBaseImpl_UninitIPin( &This->pin );
}
}
if ( FAILED(hr) )
{
QUARTZ_FreeObj(This);
return hr;
}
This->unk.pEntries = InPinIFEntries;
This->unk.dwEntries = sizeof(InPinIFEntries)/sizeof(InPinIFEntries[0]);
This->unk.pOnFinalRelease = QUARTZ_DestroyTransformBaseInPin;
*ppPin = This;
TRACE("returned successfully.\n");
return S_OK;
}
/***************************************************************************
*
* new/delete CTransformBaseOutPinImpl
*
*/
/* can I use offsetof safely? - FIXME? */
static QUARTZ_IFEntry OutPinIFEntries[] =
{
{ &IID_IPin, offsetof(CTransformBaseOutPinImpl,pin)-offsetof(CTransformBaseOutPinImpl,unk) },
{ &IID_IQualityControl, offsetof(CTransformBaseOutPinImpl,qcontrol)-offsetof(CTransformBaseOutPinImpl,unk) },
};
static HRESULT CTransformBaseOutPinImpl_OnQueryInterface(
IUnknown* punk, const IID* piid, void** ppobj )
{
CTransformBaseOutPinImpl_THIS(punk,unk);
if ( This->pFilter == NULL || This->pFilter->pSeekPass == NULL )
return E_NOINTERFACE;
if ( IsEqualGUID( &IID_IMediaPosition, piid ) ||
IsEqualGUID( &IID_IMediaSeeking, piid ) )
{
TRACE( "IMediaSeeking(or IMediaPosition) is queried\n" );
return IUnknown_QueryInterface( (IUnknown*)(&This->pFilter->pSeekPass->unk), piid, ppobj );
}
return E_NOINTERFACE;
}
static void QUARTZ_DestroyTransformBaseOutPin(IUnknown* punk)
{
CTransformBaseOutPinImpl_THIS(punk,unk);
TRACE( "(%p)\n", This );
CPinBaseImpl_UninitIPin( &This->pin );
CQualityControlPassThruImpl_UninitIQualityControl( &This->qcontrol );
}
HRESULT QUARTZ_CreateTransformBaseOutPin(
CTransformBaseImpl* pFilter,
CRITICAL_SECTION* pcsPin,
CTransformBaseOutPinImpl** ppPin,
LPCWSTR pwszPinName )
{
CTransformBaseOutPinImpl* This = NULL;
HRESULT hr;
TRACE("(%p,%p,%p)\n",pFilter,pcsPin,ppPin);
This = (CTransformBaseOutPinImpl*)
QUARTZ_AllocObj( sizeof(CTransformBaseOutPinImpl) );
if ( This == NULL )
return E_OUTOFMEMORY;
QUARTZ_IUnkInit( &This->unk, NULL );
This->qiext.pNext = NULL;
This->qiext.pOnQueryInterface = &CTransformBaseOutPinImpl_OnQueryInterface;
QUARTZ_IUnkAddDelegation( &This->unk, &This->qiext );
This->pFilter = pFilter;
hr = CPinBaseImpl_InitIPin(
&This->pin,
This->unk.punkControl,
pcsPin,
&pFilter->basefilter,
pwszPinName,
TRUE,
&outputpinhandlers );
if ( SUCCEEDED(hr) )
{
hr = CQualityControlPassThruImpl_InitIQualityControl(
&This->qcontrol,
This->unk.punkControl,
&This->pin );
if ( FAILED(hr) )
{
CPinBaseImpl_UninitIPin( &This->pin );
}
}
if ( FAILED(hr) )
{
QUARTZ_FreeObj(This);
return hr;
}
This->unk.pEntries = OutPinIFEntries;
This->unk.dwEntries = sizeof(OutPinIFEntries)/sizeof(OutPinIFEntries[0]);
This->unk.pOnFinalRelease = QUARTZ_DestroyTransformBaseOutPin;
*ppPin = This;
TRACE("returned successfully.\n");
return S_OK;
}