| 1 | #ifndef WINE_DSHOW_BASEFILT_H
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| 2 | #define WINE_DSHOW_BASEFILT_H
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| 3 |
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| 4 | /*
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| 5 | * The following interfaces must be used as a part of aggregation.
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| 6 | * The punkControl must not be NULL since all IUnknown methods are
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| 7 | * implemented only for aggregation.
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| 8 | */
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| 9 |
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| 10 | /*
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| 11 | * implements IBaseFilter (internal)
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| 12 | *
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| 13 | * a base class for implementing IBaseFilter.
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| 14 | */
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| 15 |
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| 16 | #include "complist.h"
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| 17 | #include "mtype.h"
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| 18 |
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| 19 | typedef struct CBaseFilterHandlers CBaseFilterHandlers;
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| 20 | typedef struct CBasePinHandlers CBasePinHandlers;
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| 21 |
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| 22 | typedef struct CBaseFilterImpl
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| 23 | {
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| 24 | /* IPersist - IMediaFilter - IBaseFilter */
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| 25 | ICOM_VFIELD(IBaseFilter);
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| 26 |
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| 27 | /* IUnknown fields */
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| 28 | IUnknown* punkControl;
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| 29 | /* IBaseFilter fields */
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| 30 | const CBaseFilterHandlers* pHandlers;
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| 31 | CRITICAL_SECTION csFilter;
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| 32 | const CLSID* pclsidFilter;
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| 33 | QUARTZ_CompList* pInPins; /* a list of IPin-s. */
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| 34 | QUARTZ_CompList* pOutPins; /* a list of IPin-s. */
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| 35 | IFilterGraph* pfg;
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| 36 | DWORD cbNameGraph;
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| 37 | WCHAR* pwszNameGraph;
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| 38 | IReferenceClock* pClock;
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| 39 | REFERENCE_TIME rtStart;
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| 40 | FILTER_STATE fstate;
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| 41 | } CBaseFilterImpl;
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| 42 |
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| 43 | struct CBaseFilterHandlers
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| 44 | {
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| 45 | HRESULT (*pOnActive)( CBaseFilterImpl* pImpl );
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| 46 | HRESULT (*pOnInactive)( CBaseFilterImpl* pImpl );
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| 47 | };
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| 48 |
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| 49 |
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| 50 | HRESULT CBaseFilterImpl_InitIBaseFilter(
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| 51 | CBaseFilterImpl* This, IUnknown* punkControl,
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| 52 | const CLSID* pclsidFilter, LPCWSTR lpwszNameGraph,
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| 53 | const CBaseFilterHandlers* pHandlers );
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| 54 | void CBaseFilterImpl_UninitIBaseFilter( CBaseFilterImpl* This );
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| 55 |
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| 56 |
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| 57 | /*
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| 58 | * Implements IPin, IMemInputPin, and IQualityControl. (internal)
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| 59 | *
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| 60 | * a base class for implementing IPin.
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| 61 | */
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| 62 |
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| 63 | typedef struct CPinBaseImpl
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| 64 | {
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| 65 | /* IPin */
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| 66 | ICOM_VFIELD(IPin);
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| 67 |
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| 68 | /* IUnknown fields */
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| 69 | IUnknown* punkControl;
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| 70 | /* IPin fields */
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| 71 | const CBasePinHandlers* pHandlers;
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| 72 | DWORD cbIdLen;
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| 73 | WCHAR* pwszId;
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| 74 | BOOL bOutput;
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| 75 |
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| 76 | /* you can change AcceptTypes while pcsPin has been hold */
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| 77 | const AM_MEDIA_TYPE* pmtAcceptTypes;
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| 78 | ULONG cAcceptTypes;
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| 79 |
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| 80 | CRITICAL_SECTION* pcsPin;
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| 81 | CBaseFilterImpl* pFilter;
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| 82 | IPin* pPinConnectedTo;
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| 83 | AM_MEDIA_TYPE* pmtConn;
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| 84 | } CPinBaseImpl;
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| 85 |
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| 86 | typedef struct CMemInputPinBaseImpl
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| 87 | {
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| 88 | /* IMemInputPin */
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| 89 | ICOM_VFIELD(IMemInputPin);
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| 90 |
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| 91 | /* IUnknown fields */
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| 92 | IUnknown* punkControl;
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| 93 | /* IMemInputPin fields */
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| 94 | CPinBaseImpl* pPin;
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| 95 | IMemAllocator* pAllocator;
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| 96 | BOOL bReadonly;
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| 97 | } CMemInputPinBaseImpl;
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| 98 |
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| 99 | typedef struct CQualityControlPassThruImpl
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| 100 | {
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| 101 | /* IQualityControl */
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| 102 | ICOM_VFIELD(IQualityControl);
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| 103 |
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| 104 | /* IUnknown fields */
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| 105 | IUnknown* punkControl;
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| 106 | /* IQualityControl fields */
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| 107 | CPinBaseImpl* pPin;
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| 108 | IQualityControl* pControl;
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| 109 | } CQualityControlPassThruImpl;
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| 110 |
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| 111 |
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| 112 | struct CBasePinHandlers
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| 113 | {
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| 114 | HRESULT (*pCheckMediaType)( CPinBaseImpl* pImpl, const AM_MEDIA_TYPE* pmt );
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| 115 | HRESULT (*pQualityNotify)( CPinBaseImpl* pImpl, IBaseFilter* pFilter, Quality q );
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| 116 | HRESULT (*pReceive)( CPinBaseImpl* pImpl, IMediaSample* pSample );
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| 117 | HRESULT (*pReceiveCanBlock)( CPinBaseImpl* pImpl );
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| 118 | HRESULT (*pEndOfStream)( CPinBaseImpl* pImpl );
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| 119 | HRESULT (*pBeginFlush)( CPinBaseImpl* pImpl );
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| 120 | HRESULT (*pEndFlush)( CPinBaseImpl* pImpl );
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| 121 | HRESULT (*pNewSegment)( CPinBaseImpl* pImpl, REFERENCE_TIME rtStart, REFERENCE_TIME rtStop, double rate );
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| 122 | };
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| 123 |
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| 124 |
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| 125 |
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| 126 | HRESULT CPinBaseImpl_InitIPin(
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| 127 | CPinBaseImpl* This, IUnknown* punkControl,
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| 128 | CRITICAL_SECTION* pcsPin,
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| 129 | CBaseFilterImpl* pFilter, LPCWSTR pwszId,
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| 130 | BOOL bOutput,
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| 131 | const CBasePinHandlers* pHandlers );
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| 132 | void CPinBaseImpl_UninitIPin( CPinBaseImpl* This );
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| 133 |
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| 134 |
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| 135 | HRESULT CMemInputPinBaseImpl_InitIMemInputPin(
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| 136 | CMemInputPinBaseImpl* This, IUnknown* punkControl,
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| 137 | CPinBaseImpl* pPin );
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| 138 | void CMemInputPinBaseImpl_UninitIMemInputPin(
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| 139 | CMemInputPinBaseImpl* This );
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| 140 |
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| 141 |
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| 142 | HRESULT CQualityControlPassThruImpl_InitIQualityControl(
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| 143 | CQualityControlPassThruImpl* This, IUnknown* punkControl,
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| 144 | CPinBaseImpl* pPin );
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| 145 | void CQualityControlPassThruImpl_UninitIQualityControl(
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| 146 | CQualityControlPassThruImpl* This );
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| 147 |
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| 148 |
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| 149 |
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| 150 | #endif /* WINE_DSHOW_BASEFILT_H */
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