151 lines
3.7 KiB
C
151 lines
3.7 KiB
C
#ifndef WINE_DSHOW_BASEFILT_H
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#define WINE_DSHOW_BASEFILT_H
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/*
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* The following interfaces must be used as a part of aggregation.
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* The punkControl must not be NULL since all IUnknown methods are
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* implemented only for aggregation.
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*/
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/*
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* implements IBaseFilter (internal)
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*
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* a base class for implementing IBaseFilter.
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*/
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#include "complist.h"
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#include "mtype.h"
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typedef struct CBaseFilterHandlers CBaseFilterHandlers;
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typedef struct CBasePinHandlers CBasePinHandlers;
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typedef struct CBaseFilterImpl
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{
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/* IPersist - IMediaFilter - IBaseFilter */
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ICOM_VFIELD(IBaseFilter);
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/* IUnknown fields */
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IUnknown* punkControl;
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/* IBaseFilter fields */
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const CBaseFilterHandlers* pHandlers;
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CRITICAL_SECTION csFilter;
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const CLSID* pclsidFilter;
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QUARTZ_CompList* pInPins; /* a list of IPin-s. */
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QUARTZ_CompList* pOutPins; /* a list of IPin-s. */
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IFilterGraph* pfg;
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DWORD cbNameGraph;
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WCHAR* pwszNameGraph;
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IReferenceClock* pClock;
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REFERENCE_TIME rtStart;
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FILTER_STATE fstate;
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} CBaseFilterImpl;
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struct CBaseFilterHandlers
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{
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HRESULT (*pOnActive)( CBaseFilterImpl* pImpl );
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HRESULT (*pOnInactive)( CBaseFilterImpl* pImpl );
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};
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HRESULT CBaseFilterImpl_InitIBaseFilter(
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CBaseFilterImpl* This, IUnknown* punkControl,
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const CLSID* pclsidFilter, LPCWSTR lpwszNameGraph,
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const CBaseFilterHandlers* pHandlers );
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void CBaseFilterImpl_UninitIBaseFilter( CBaseFilterImpl* This );
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/*
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* Implements IPin, IMemInputPin, and IQualityControl. (internal)
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*
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* a base class for implementing IPin.
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*/
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typedef struct CPinBaseImpl
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{
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/* IPin */
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ICOM_VFIELD(IPin);
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/* IUnknown fields */
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IUnknown* punkControl;
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/* IPin fields */
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const CBasePinHandlers* pHandlers;
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DWORD cbIdLen;
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WCHAR* pwszId;
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BOOL bOutput;
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/* you can change AcceptTypes while pcsPin has been hold */
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const AM_MEDIA_TYPE* pmtAcceptTypes;
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ULONG cAcceptTypes;
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CRITICAL_SECTION* pcsPin;
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CBaseFilterImpl* pFilter;
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IPin* pPinConnectedTo;
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AM_MEDIA_TYPE* pmtConn;
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} CPinBaseImpl;
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typedef struct CMemInputPinBaseImpl
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{
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/* IMemInputPin */
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ICOM_VFIELD(IMemInputPin);
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/* IUnknown fields */
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IUnknown* punkControl;
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/* IMemInputPin fields */
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CPinBaseImpl* pPin;
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IMemAllocator* pAllocator;
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BOOL bReadonly;
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} CMemInputPinBaseImpl;
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typedef struct CQualityControlPassThruImpl
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{
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/* IQualityControl */
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ICOM_VFIELD(IQualityControl);
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/* IUnknown fields */
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IUnknown* punkControl;
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/* IQualityControl fields */
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CPinBaseImpl* pPin;
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IQualityControl* pControl;
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} CQualityControlPassThruImpl;
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struct CBasePinHandlers
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{
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HRESULT (*pCheckMediaType)( CPinBaseImpl* pImpl, const AM_MEDIA_TYPE* pmt );
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HRESULT (*pQualityNotify)( CPinBaseImpl* pImpl, IBaseFilter* pFilter, Quality q );
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HRESULT (*pReceive)( CPinBaseImpl* pImpl, IMediaSample* pSample );
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HRESULT (*pReceiveCanBlock)( CPinBaseImpl* pImpl );
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HRESULT (*pEndOfStream)( CPinBaseImpl* pImpl );
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HRESULT (*pBeginFlush)( CPinBaseImpl* pImpl );
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HRESULT (*pEndFlush)( CPinBaseImpl* pImpl );
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HRESULT (*pNewSegment)( CPinBaseImpl* pImpl, REFERENCE_TIME rtStart, REFERENCE_TIME rtStop, double rate );
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};
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HRESULT CPinBaseImpl_InitIPin(
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CPinBaseImpl* This, IUnknown* punkControl,
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CRITICAL_SECTION* pcsPin,
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CBaseFilterImpl* pFilter, LPCWSTR pwszId,
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BOOL bOutput,
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const CBasePinHandlers* pHandlers );
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void CPinBaseImpl_UninitIPin( CPinBaseImpl* This );
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HRESULT CMemInputPinBaseImpl_InitIMemInputPin(
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CMemInputPinBaseImpl* This, IUnknown* punkControl,
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CPinBaseImpl* pPin );
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void CMemInputPinBaseImpl_UninitIMemInputPin(
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CMemInputPinBaseImpl* This );
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HRESULT CQualityControlPassThruImpl_InitIQualityControl(
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CQualityControlPassThruImpl* This, IUnknown* punkControl,
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CPinBaseImpl* pPin );
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void CQualityControlPassThruImpl_UninitIQualityControl(
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CQualityControlPassThruImpl* This );
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#endif /* WINE_DSHOW_BASEFILT_H */
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