TheoraDecodeFilter.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 "Theoradecoderdllstuff.h"
00035 #include "theoradecodeoutputpin.h"
00036 #include "theoradecodeinputpin.h"
00037 #include <math.h>
00038 //#include "DSStringer.h"
00039 #include "TheoraDecoder.h"
00040 #include <fstream>
00041 using namespace std;
00042 class TheoraDecodeFilter 
00043         //:     public CVideoTransformFilter
00044         :       public CTransformFilter
00045 
00046 {
00047 public:
00048         TheoraDecodeFilter(void);
00049         virtual ~TheoraDecodeFilter(void);
00050 
00051         //COM Creator Function
00052         static CUnknown* WINAPI CreateInstance(LPUNKNOWN pUnk, HRESULT *pHr);
00053 
00054         //CTransfrom filter pure virtuals
00055         virtual HRESULT CheckInputType(const CMediaType* inMediaType);
00056         virtual HRESULT CheckTransform(const CMediaType* inInputMediaType, const CMediaType* inOutputMediaType);
00057         virtual HRESULT DecideBufferSize(IMemAllocator* inAllocator, ALLOCATOR_PROPERTIES* inPropertyRequest);
00058         virtual HRESULT GetMediaType(int inPosition, CMediaType* outOutputMediaType);
00059         virtual HRESULT Transform(IMediaSample* inInputSample, IMediaSample* outOutputSample);
00060 
00061         //Overrides
00062         virtual HRESULT SetMediaType(PIN_DIRECTION inDirection, const CMediaType* inMediaType);
00063         virtual HRESULT NewSegment(REFERENCE_TIME inStart, REFERENCE_TIME inEnd, double inRate);
00064         //virtual BOOL ShouldSkipFrame(IMediaSample* inSample);
00065         virtual CBasePin* TheoraDecodeFilter::GetPin(int inPinNo);
00066         //Helpers
00067         sTheoraFormatBlock* getTheoraFormatBlock();
00068         void setTheoraFormat(sTheoraFormatBlock* inFormatBlock);
00069 protected:
00070         virtual void ResetFrameCount();
00071         void FillMediaType(CMediaType* outMediaType, unsigned long inSampleSize);
00072         bool FillVideoInfoHeader(VIDEOINFOHEADER* inFormatBuffer);
00073         bool SetSampleParams(IMediaSample* outMediaSample, unsigned long inDataSize, REFERENCE_TIME* inStartTime, REFERENCE_TIME* inEndTime, BOOL inIsSync);
00074         unsigned long mHeight;
00075         unsigned long mWidth;
00076         unsigned long mFrameSize;
00077         unsigned long mFrameCount;
00078         unsigned long mYOffset;
00079         unsigned long mXOffset;
00080         __int64 mFrameDuration;
00081         bool mBegun;
00082         TheoraDecoder* mTheoraDecoder;
00083         
00084 
00085         int TheoraDecoded (yuv_buffer* inYUVBuffer, IMediaSample* outSample, bool inIsKeyFrame);
00086 
00087 
00088         __int64 mSeekTimeBase;
00089         __int64 mLastSeenStartGranPos;
00090         //Format Block
00091         sTheoraFormatBlock* mTheoraFormatInfo;
00092         fstream debugLog;
00093 };
00094 //---------------------------------------
00095 //OLD IMPLOEMENTATION....
00096 //---------------------------------------
00098 //#include "Theoradecoderdllstuff.h"
00099 //#include "AbstractVideoDecodeFilter.h"
00100 //
00102 //struct sTheoraFormatBlock;
00103 //class TheoraDecodeInputPin;
00104 //class TheoraDecodeOutputPin;
00105 //
00107 //class TheoraDecodeFilter
00108 //      //Base Classes
00109 //      :       public AbstractVideoDecodeFilter
00110 //{
00111 //public:
00112 //      //Friends
00113 //      friend class TheoraDecodeInputPin;
00114 //      friend class TheoraDecodeOutputPin;
00115 //
00116 //      
00117 //      
00118 //
00119 //      //Constructors and Destructors
00120 //      TheoraDecodeFilter(void);
00121 //      virtual ~TheoraDecodeFilter(void);
00122 //
00123 //      //COM Creator Function
00124 //      static CUnknown* WINAPI CreateInstance(LPUNKNOWN pUnk, HRESULT *pHr);
00125 //
00126 //      //IMediaFilter OVerride - This lets us tell the graph we may not produce data in pause state so don't block.
00127 //      virtual STDMETHODIMP GetState(DWORD dw, FILTER_STATE *pState);
00128 //
00129 //      
00130 //
00131 //      //VIRTUAL FUNCTIONS - AbstractAudioDecodeFilter
00132 //      virtual bool ConstructPins();
00133 //
00134 //      //FIX::: Do we need these ? Aren't they all friends ??
00135 //      virtual sTheoraFormatBlock* getTheoraFormatBlock();
00136 //      virtual void setTheoraFormat(sTheoraFormatBlock* inFormatBlock);
00137 //
00138 //protected:
00139 //      //Format Block
00140 //      sTheoraFormatBlock* mTheoraFormatInfo;
00141 //};

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