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   1 /*
   2  * Implements IBaseFilter for transform filters. (internal)
   3  *
   4  * Copyright (C) Hidenori TAKESHIMA <hidenori@a2.ctktv.ne.jp>
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #ifndef WINE_DSHOW_XFORM_H
  22 #define WINE_DSHOW_XFORM_H
  23
  24 #include "iunk.h"
  25 #include "basefilt.h"
  26 #include "seekpass.h"
  27
  28
  29 typedef struct CTransformBaseImpl CTransformBaseImpl;
  30 typedef struct CTransformBaseInPinImpl CTransformBaseInPinImpl;
  31 typedef struct CTransformBaseOutPinImpl CTransformBaseOutPinImpl;
  32 typedef struct TransformBaseHandlers    TransformBaseHandlers;
  33
  34 struct CTransformBaseImpl
  35 {
  36         QUARTZ_IUnkImpl unk;
  37         CBaseFilterImpl basefilter;
  38
  39         CTransformBaseInPinImpl*        pInPin;
  40         CTransformBaseOutPinImpl*       pOutPin;
  41         CSeekingPassThru*       pSeekPass;
  42
  43         CRITICAL_SECTION        csReceive;
  44         IMemAllocator*  m_pOutPinAllocator;
  45         BOOL    m_bPreCopy; /* sample must be copied */
  46         BOOL    m_bReuseSample; /* sample must be reused */
  47         BOOL    m_bInFlush;
  48         IMediaSample*   m_pSample;
  49
  50         BOOL    m_bFiltering;
  51         const TransformBaseHandlers*    m_pHandler;
  52         void*   m_pUserData;
  53 };
  54
  55 struct CTransformBaseInPinImpl
  56 {
  57         QUARTZ_IUnkImpl unk;
  58         CPinBaseImpl    pin;
  59         CMemInputPinBaseImpl    meminput;
  60
  61         CTransformBaseImpl*     pFilter;
  62 };
  63
  64 struct CTransformBaseOutPinImpl
  65 {
  66         QUARTZ_IUnkImpl unk;
  67         CPinBaseImpl    pin;
  68         CQualityControlPassThruImpl     qcontrol;
  69         QUARTZ_IFDelegation     qiext;
  70
  71         CTransformBaseImpl*     pFilter;
  72 };
  73
  74 struct TransformBaseHandlers
  75 {
  76         /* all methods must be implemented */
  77
  78         HRESULT (*pInit)( CTransformBaseImpl* pImpl );
  79         HRESULT (*pCleanup)( CTransformBaseImpl* pImpl );
  80
  81         /* pmtOut may be NULL */
  82         HRESULT (*pCheckMediaType)( CTransformBaseImpl* pImpl, const AM_MEDIA_TYPE* pmtIn, const AM_MEDIA_TYPE* pmtOut );
  83         /* get output types */
  84         HRESULT (*pGetOutputTypes)( CTransformBaseImpl* pImpl, const AM_MEDIA_TYPE* pmtIn, const AM_MEDIA_TYPE** ppmtAcceptTypes, ULONG* pcAcceptTypes );
  85         /* get allocator properties */
  86         HRESULT (*pGetAllocProp)( CTransformBaseImpl* pImpl, const AM_MEDIA_TYPE* pmtIn, const AM_MEDIA_TYPE* pmtOut, ALLOCATOR_PROPERTIES* pProp, BOOL* pbTransInPlace, BOOL* pbTryToReuseSample );
  87
  88         /* prepare the filter */
  89         HRESULT (*pBeginTransform)( CTransformBaseImpl* pImpl, const AM_MEDIA_TYPE* pmtIn, const AM_MEDIA_TYPE* pmtOut, BOOL bReuseSample );
  90         /* process a sample */
  91         HRESULT (*pProcessReceive)( CTransformBaseImpl* pImpl, IMediaSample* pSampIn ); /* override Transform */
  92         HRESULT (*pTransform)( CTransformBaseImpl* pImpl, IMediaSample* pSampIn, IMediaSample* pSampOut );
  93         /* unprepare the filter */
  94         HRESULT (*pEndTransform)( CTransformBaseImpl* pImpl );
  95 };
  96
  97 #define CTransformBaseImpl_THIS(iface,member)   CTransformBaseImpl*     This = ((CTransformBaseImpl*)(((char*)iface)-offsetof(CTransformBaseImpl,member)))
  98 #define CTransformBaseInPinImpl_THIS(iface,member)      CTransformBaseInPinImpl*        This = ((CTransformBaseInPinImpl*)(((char*)iface)-offsetof(CTransformBaseInPinImpl,member)))
  99 #define CTransformBaseOutPinImpl_THIS(iface,member)     CTransformBaseOutPinImpl*       This = ((CTransformBaseOutPinImpl*)(((char*)iface)-offsetof(CTransformBaseOutPinImpl,member)))
 100
 101
 102 HRESULT QUARTZ_CreateTransformBase(
 103         IUnknown* punkOuter,void** ppobj,
 104         const CLSID* pclsidTransformBase,
 105         LPCWSTR pwszTransformBaseName,
 106         LPCWSTR pwszInPinName,
 107         LPCWSTR pwszOutPinName,
 108         const TransformBaseHandlers* pHandler );
 109 HRESULT QUARTZ_CreateTransformBaseInPin(
 110         CTransformBaseImpl* pFilter,
 111         CRITICAL_SECTION* pcsPin,
 112         CRITICAL_SECTION* pcsPinReceive,
 113         CTransformBaseInPinImpl** ppPin,
 114         LPCWSTR pwszPinName );
 115 HRESULT QUARTZ_CreateTransformBaseOutPin(
 116         CTransformBaseImpl* pFilter,
 117         CRITICAL_SECTION* pcsPin,
 118         CTransformBaseOutPinImpl** ppPin,
 119         LPCWSTR pwszPinName );
 120
 121
 122 HRESULT QUARTZ_CreateAVIDec(IUnknown* punkOuter,void** ppobj);
 123 HRESULT QUARTZ_CreateColour(IUnknown* punkOuter,void** ppobj);
 124 HRESULT QUARTZ_CreateACMWrapper(IUnknown* punkOuter,void** ppobj);
 125
 126 #endif  /* WINE_DSHOW_XFORM_H */