FFDShowVideoStream.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 #pragma once
00032 #include "oggstream.h"
00033 
00034 #include <fstream>
00035 using namespace std;
00036 
00037 class FFDShowVideoStream 
00038         :       public OggStream
00039 {
00040 public:
00041         FFDShowVideoStream(OggPage* inOggPage, OggDemuxSourceFilter* inOwningFilter, bool inAllowSeek);
00042         virtual ~FFDShowVideoStream(void);
00043 
00044         virtual bool InitCodec(StampedOggPacket* inOggPacket);
00045 
00046         virtual BYTE* getFormatBlock() ;
00047         virtual unsigned long getFormatBlockSize();
00048         virtual GUID getFormatGUID();
00049         virtual GUID getSubtypeGUID();
00050         virtual wstring getPinName();
00051         virtual bool createFormatBlock();
00052         virtual GUID getMajorTypeGUID();
00053         virtual LONGLONG getCurrentPos();
00054 
00055         virtual unsigned long getNumBuffers();
00056         virtual unsigned long getBufferSize();
00057 
00058         //Override
00059         virtual bool dispatchPacket(StampedOggPacket* inPacket);
00060         virtual bool deliverCodecHeaders();
00061 
00062 protected:
00063         static const unsigned long FFDSHOW_VIDEO_NUM_BUFFERS = 50;
00064         static const unsigned long FFDSHOW_VIDEO_BUFFER_SIZE = 1024*512*3;
00065         VIDEOINFOHEADER* mFFDShowVideoFormatBlock;
00066         DWORD mFourCCCode;
00067         GUID mMediaSubTypeGUID;
00068         wstring mPinName;
00069         StampedOggPacket* mHeaderPack;
00070 
00071         LONGLONG mLastTimeStamp;
00072         LONGLONG mLastKnownTimeBase;
00073         LONGLONG mGranuleOffset;
00074 
00075         //fstream debugLog;
00076 };

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