Sweden-Number/dlls/quartz/xform.h

126 lines
4.3 KiB
C

/*
* Implements IBaseFilter for transform filters. (internal)
*
* Copyright (C) Hidenori TAKESHIMA <hidenori@a2.ctktv.ne.jp>
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef WINE_DSHOW_XFORM_H
#define WINE_DSHOW_XFORM_H
#include "iunk.h"
#include "basefilt.h"
#include "seekpass.h"
typedef struct CTransformBaseImpl CTransformBaseImpl;
typedef struct CTransformBaseInPinImpl CTransformBaseInPinImpl;
typedef struct CTransformBaseOutPinImpl CTransformBaseOutPinImpl;
typedef struct TransformBaseHandlers TransformBaseHandlers;
struct CTransformBaseImpl
{
QUARTZ_IUnkImpl unk;
CBaseFilterImpl basefilter;
CTransformBaseInPinImpl* pInPin;
CTransformBaseOutPinImpl* pOutPin;
CSeekingPassThru* pSeekPass;
CRITICAL_SECTION csReceive;
IMemAllocator* m_pOutPinAllocator;
BOOL m_bPreCopy; /* sample must be copied */
BOOL m_bReuseSample; /* sample must be reused */
BOOL m_bInFlush;
IMediaSample* m_pSample;
BOOL m_bFiltering;
const TransformBaseHandlers* m_pHandler;
void* m_pUserData;
};
struct CTransformBaseInPinImpl
{
QUARTZ_IUnkImpl unk;
CPinBaseImpl pin;
CMemInputPinBaseImpl meminput;
CTransformBaseImpl* pFilter;
};
struct CTransformBaseOutPinImpl
{
QUARTZ_IUnkImpl unk;
CPinBaseImpl pin;
CQualityControlPassThruImpl qcontrol;
QUARTZ_IFDelegation qiext;
CTransformBaseImpl* pFilter;
};
struct TransformBaseHandlers
{
/* all methods must be implemented */
HRESULT (*pInit)( CTransformBaseImpl* pImpl );
HRESULT (*pCleanup)( CTransformBaseImpl* pImpl );
/* pmtOut may be NULL */
HRESULT (*pCheckMediaType)( CTransformBaseImpl* pImpl, const AM_MEDIA_TYPE* pmtIn, const AM_MEDIA_TYPE* pmtOut );
/* get output types */
HRESULT (*pGetOutputTypes)( CTransformBaseImpl* pImpl, const AM_MEDIA_TYPE* pmtIn, const AM_MEDIA_TYPE** ppmtAcceptTypes, ULONG* pcAcceptTypes );
/* get allocator properties */
HRESULT (*pGetAllocProp)( CTransformBaseImpl* pImpl, const AM_MEDIA_TYPE* pmtIn, const AM_MEDIA_TYPE* pmtOut, ALLOCATOR_PROPERTIES* pProp, BOOL* pbTransInPlace, BOOL* pbTryToReuseSample );
/* prepare the filter */
HRESULT (*pBeginTransform)( CTransformBaseImpl* pImpl, const AM_MEDIA_TYPE* pmtIn, const AM_MEDIA_TYPE* pmtOut, BOOL bReuseSample );
/* process a sample */
HRESULT (*pProcessReceive)( CTransformBaseImpl* pImpl, IMediaSample* pSampIn ); /* override Transform */
HRESULT (*pTransform)( CTransformBaseImpl* pImpl, IMediaSample* pSampIn, IMediaSample* pSampOut );
/* unprepare the filter */
HRESULT (*pEndTransform)( CTransformBaseImpl* pImpl );
};
#define CTransformBaseImpl_THIS(iface,member) CTransformBaseImpl* This = ((CTransformBaseImpl*)(((char*)iface)-offsetof(CTransformBaseImpl,member)))
#define CTransformBaseInPinImpl_THIS(iface,member) CTransformBaseInPinImpl* This = ((CTransformBaseInPinImpl*)(((char*)iface)-offsetof(CTransformBaseInPinImpl,member)))
#define CTransformBaseOutPinImpl_THIS(iface,member) CTransformBaseOutPinImpl* This = ((CTransformBaseOutPinImpl*)(((char*)iface)-offsetof(CTransformBaseOutPinImpl,member)))
HRESULT QUARTZ_CreateTransformBase(
IUnknown* punkOuter,void** ppobj,
const CLSID* pclsidTransformBase,
LPCWSTR pwszTransformBaseName,
LPCWSTR pwszInPinName,
LPCWSTR pwszOutPinName,
const TransformBaseHandlers* pHandler );
HRESULT QUARTZ_CreateTransformBaseInPin(
CTransformBaseImpl* pFilter,
CRITICAL_SECTION* pcsPin,
CRITICAL_SECTION* pcsPinReceive,
CTransformBaseInPinImpl** ppPin,
LPCWSTR pwszPinName );
HRESULT QUARTZ_CreateTransformBaseOutPin(
CTransformBaseImpl* pFilter,
CRITICAL_SECTION* pcsPin,
CTransformBaseOutPinImpl** ppPin,
LPCWSTR pwszPinName );
HRESULT QUARTZ_CreateAVIDec(IUnknown* punkOuter,void** ppobj);
HRESULT QUARTZ_CreateColour(IUnknown* punkOuter,void** ppobj);
#endif /* WINE_DSHOW_XFORM_H */