125 lines
4.2 KiB
C
125 lines
4.2 KiB
C
/*
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* Implements IBaseFilter for transform filters. (internal)
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*
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* Copyright (C) Hidenori TAKESHIMA <hidenori@a2.ctktv.ne.jp>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef WINE_DSHOW_XFORM_H
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#define WINE_DSHOW_XFORM_H
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#include "iunk.h"
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#include "basefilt.h"
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#include "seekpass.h"
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typedef struct CTransformBaseImpl CTransformBaseImpl;
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typedef struct CTransformBaseInPinImpl CTransformBaseInPinImpl;
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typedef struct CTransformBaseOutPinImpl CTransformBaseOutPinImpl;
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typedef struct TransformBaseHandlers TransformBaseHandlers;
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struct CTransformBaseImpl
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{
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QUARTZ_IUnkImpl unk;
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CBaseFilterImpl basefilter;
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CTransformBaseInPinImpl* pInPin;
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CTransformBaseOutPinImpl* pOutPin;
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CSeekingPassThru* pSeekPass;
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CRITICAL_SECTION csReceive;
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IMemAllocator* m_pOutPinAllocator;
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BOOL m_bPreCopy; /* sample must be copied */
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BOOL m_bReuseSample; /* sample must be reused */
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BOOL m_bInFlush;
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IMediaSample* m_pSample;
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BOOL m_bFiltering;
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const TransformBaseHandlers* m_pHandler;
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void* m_pUserData;
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};
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struct CTransformBaseInPinImpl
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{
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QUARTZ_IUnkImpl unk;
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CPinBaseImpl pin;
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CMemInputPinBaseImpl meminput;
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CTransformBaseImpl* pFilter;
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};
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struct CTransformBaseOutPinImpl
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{
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QUARTZ_IUnkImpl unk;
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CPinBaseImpl pin;
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CQualityControlPassThruImpl qcontrol;
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QUARTZ_IFDelegation qiext;
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CTransformBaseImpl* pFilter;
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};
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struct TransformBaseHandlers
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{
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/* all methods must be implemented */
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HRESULT (*pInit)( CTransformBaseImpl* pImpl );
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HRESULT (*pCleanup)( CTransformBaseImpl* pImpl );
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/* pmtOut may be NULL */
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HRESULT (*pCheckMediaType)( CTransformBaseImpl* pImpl, const AM_MEDIA_TYPE* pmtIn, const AM_MEDIA_TYPE* pmtOut );
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/* get output types */
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HRESULT (*pGetOutputTypes)( CTransformBaseImpl* pImpl, const AM_MEDIA_TYPE* pmtIn, const AM_MEDIA_TYPE** ppmtAcceptTypes, ULONG* pcAcceptTypes );
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/* get allocator properties */
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HRESULT (*pGetAllocProp)( CTransformBaseImpl* pImpl, const AM_MEDIA_TYPE* pmtIn, const AM_MEDIA_TYPE* pmtOut, ALLOCATOR_PROPERTIES* pProp, BOOL* pbTransInPlace, BOOL* pbTryToReuseSample );
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/* prepare the filter */
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HRESULT (*pBeginTransform)( CTransformBaseImpl* pImpl, const AM_MEDIA_TYPE* pmtIn, const AM_MEDIA_TYPE* pmtOut, BOOL bReuseSample );
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/* process a sample */
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HRESULT (*pTransform)( CTransformBaseImpl* pImpl, IMediaSample* pSampIn, IMediaSample* pSampOut );
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/* unprepare the filter */
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HRESULT (*pEndTransform)( CTransformBaseImpl* pImpl );
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};
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#define CTransformBaseImpl_THIS(iface,member) CTransformBaseImpl* This = ((CTransformBaseImpl*)(((char*)iface)-offsetof(CTransformBaseImpl,member)))
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#define CTransformBaseInPinImpl_THIS(iface,member) CTransformBaseInPinImpl* This = ((CTransformBaseInPinImpl*)(((char*)iface)-offsetof(CTransformBaseInPinImpl,member)))
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#define CTransformBaseOutPinImpl_THIS(iface,member) CTransformBaseOutPinImpl* This = ((CTransformBaseOutPinImpl*)(((char*)iface)-offsetof(CTransformBaseOutPinImpl,member)))
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HRESULT QUARTZ_CreateTransformBase(
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IUnknown* punkOuter,void** ppobj,
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const CLSID* pclsidTransformBase,
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LPCWSTR pwszTransformBaseName,
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LPCWSTR pwszInPinName,
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LPCWSTR pwszOutPinName,
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const TransformBaseHandlers* pHandler );
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HRESULT QUARTZ_CreateTransformBaseInPin(
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CTransformBaseImpl* pFilter,
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CRITICAL_SECTION* pcsPin,
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CRITICAL_SECTION* pcsPinReceive,
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CTransformBaseInPinImpl** ppPin,
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LPCWSTR pwszPinName );
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HRESULT QUARTZ_CreateTransformBaseOutPin(
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CTransformBaseImpl* pFilter,
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CRITICAL_SECTION* pcsPin,
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CTransformBaseOutPinImpl** ppPin,
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LPCWSTR pwszPinName );
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HRESULT QUARTZ_CreateAVIDec(IUnknown* punkOuter,void** ppobj);
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HRESULT QUARTZ_CreateColour(IUnknown* punkOuter,void** ppobj);
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#endif /* WINE_DSHOW_XFORM_H */
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