AbstractVideoDecodeFilter.h

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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 #pragma once
00033 
00034 #include "abstractvideodllstuff.h"
00035 #include "BasicSeekable.h"
00036 
00037 #include <fstream>
00038 
00039 using namespace std;
00040 
00041 class AbstractVideoDecodeInputPin;
00042 class AbstractVideoDecodeOutputPin;
00043 
00044 class ABS_VIDEO_DEC_API AbstractVideoDecodeFilter 
00045         :       public CBaseFilter
00046         ,       public BasicSeekable
00047 {
00048 public:
00049         friend class AbstractVideoDecodeInputPin;
00050         friend class AbstractVideoDecodeOutputPin;
00051         AbstractVideoDecodeFilter(TCHAR* inFilterName, REFCLSID inFilterGUID, unsigned short inVideoFormat );
00052         virtual ~AbstractVideoDecodeFilter(void);
00053         
00054         static const long NUM_PINS = 2;
00055         enum eVideoFormat {
00056                 NONE = 0,
00057                 THEORA = 1,
00058                 OTHER = 1000
00059         };
00060 
00061         DECLARE_IUNKNOWN
00062         STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, void **ppv);
00063 
00064         //PURE VIRTUALS
00065         virtual bool ConstructPins() = 0;
00066         virtual void DestroyPins();
00067 
00068         //CBaseFilter overrides
00069         CBasePin* GetPin(int n);
00070         int GetPinCount(void);
00071 
00072         virtual STDMETHODIMP Stop();
00073         virtual STDMETHODIMP Pause();
00074         virtual STDMETHODIMP Run(REFERENCE_TIME tStart);
00075 
00076         
00077         unsigned short mVideoFormat;
00078 
00079 protected:
00080 
00081         //fstream debugLog;
00082 
00083         AbstractVideoDecodeInputPin* mInputPin;
00084         AbstractVideoDecodeOutputPin* mOutputPin;
00085 
00086 };

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