00001 //=========================================================================== 00002 //Copyright (C) 2003, 2004 Zentaro Kavanagh 00003 // 00004 //Redistribution and use in source and binary forms, with or without 00005 //modification, are permitted provided that the following conditions 00006 //are met: 00007 // 00008 //- Redistributions of source code must retain the above copyright 00009 // notice, this list of conditions and the following disclaimer. 00010 // 00011 //- Redistributions in binary form must reproduce the above copyright 00012 // notice, this list of conditions and the following disclaimer in the 00013 // documentation and/or other materials provided with the distribution. 00014 // 00015 //- Neither the name of Zentaro Kavanagh nor the names of contributors 00016 // may be used to endorse or promote products derived from this software 00017 // without specific prior written permission. 00018 // 00019 //THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 00020 //``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 00021 //LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A 00022 //PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE ORGANISATION OR 00023 //CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00024 //EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 00025 //PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00026 //PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 00027 //LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 00028 //NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00029 //SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00030 //=========================================================================== 00031 00032 00033 #pragma once 00034 00035 //Local Includes 00036 #include "directshowabstractsdllstuff.h" 00037 00038 00039 //Forward Declarations 00040 class AbstractTransformInputPin; 00041 class AbstractTransformOutputPin; 00042 00043 00044 class AbstractTransformFilter 00045 //Parent Classes 00046 : public CBaseFilter 00047 //http://msdn.microsoft.com/library/default.asp?url=/library/en-us/directshow/htm/cbasefilterclass.asp 00048 { 00049 public: 00050 //Friend Classes 00051 friend class AbstractTransformInputPin; 00052 friend class AbstractTransformOutputPin; 00053 00054 //COM Initialisation 00055 DECLARE_IUNKNOWN 00056 STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, void **ppv); 00057 00058 //Constructors 00059 AbstractTransformFilter(TCHAR* inFilterName, REFCLSID inFilterGUID); 00060 virtual ~AbstractTransformFilter(void); 00061 00062 //Pin Access Methods 00063 CBasePin* GetPin(int inPinNo); 00064 int GetPinCount(void); 00065 00066 protected: 00067 //Pin Creation Methods 00068 virtual bool ConstructPins() = 0; 00069 virtual void DestroyPins(); 00070 00071 //Pin Member Data 00072 AbstractTransformInputPin* mInputPin; 00073 AbstractTransformOutputPin* mOutputPin; 00074 };