TheoraDecodeInputPin.h

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//===========================================================================
//Copyright (C) 2003, 2004 Zentaro Kavanagh
//
//Redistribution and use in source and binary forms, with or without
//modification, are permitted provided that the following conditions
//are met:
//
//- Redistributions of source code must retain the above copyright
//  notice, this list of conditions and the following disclaimer.
//
//- Redistributions in binary form must reproduce the above copyright
//  notice, this list of conditions and the following disclaimer in the
//  documentation and/or other materials provided with the distribution.
//
//- Neither the name of Zentaro Kavanagh nor the names of contributors 
//  may be used to endorse or promote products derived from this software 
//  without specific prior written permission.
//
//THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
//``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
//LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
//PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE ORGANISATION OR
//CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
//EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
//PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
//PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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//SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//===========================================================================

#pragma once
#include "IOggDecoder.h"
#include "IOggOutputPin.h"
#include "Theoradecoderdllstuff.h"
#include "BasicSeekPassThrough.h"

#include "TheoraDecodeFilter.h"

#include <fstream>
using namespace std;
class TheoraDecodeInputPin 
        :       public CTransformInputPin
        ,       public BasicSeekPassThrough
        ,       public IOggDecoder
{
public:

        TheoraDecodeInputPin(CTransformFilter* inParentFilter, HRESULT* outHR);
        virtual ~TheoraDecodeInputPin();

        //COM Guff
        DECLARE_IUNKNOWN
        STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, void **ppv);

        //Overrides
        virtual HRESULT BreakConnect();
        virtual HRESULT CompleteConnect (IPin *inReceivePin);

        //XTODO::: Add a new segment override to get an integer rate change
        //XTODO::: Possibly add an endflush override to clear buffered data
        virtual STDMETHODIMP GetAllocatorRequirements(ALLOCATOR_PROPERTIES *outRequestedProps);
        //XTODO::: Implement getallocator requirements to tell demux what buffers to use

        //IOggDecoder Interface
        virtual LOOG_INT64 convertGranuleToTime(LOOG_INT64 inGranule);
        virtual LOOG_INT64 mustSeekBefore(LOOG_INT64 inGranule);
        virtual IOggDecoder::eAcceptHeaderResult showHeaderPacket(OggPacket* inCodecHeaderPacket);
        virtual string getCodecShortName();
        virtual string getCodecIdentString();
        //fstream debugLog;

        virtual IOggOutputPin* getOutputPinInterface()          {               return mOggOutputPinInterface;  }
        virtual bool getSentStreamOffset()                                      {               return mSentStreamOffset;               }
        virtual void setSentStreamOffset(bool inSentStreamOffset)       {       mSentStreamOffset = inSentStreamOffset; }
protected:
        static const unsigned long THEORA_NUM_BUFFERS = 50;
        enum eTheoraSetupState {
                VSS_SEEN_NOTHING,
                VSS_SEEN_BOS,
                VSS_SEEN_COMMENT,
                VSS_ALL_HEADERS_SEEN,
                VSS_ERROR
        };

        eTheoraSetupState mSetupState;


        IOggOutputPin* mOggOutputPinInterface;
        bool mSentStreamOffset;
};

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