OggRawAudioExtractorFilter.h

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//===========================================================================
//Copyright (C) 2003, 2004, 2005 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
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//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 Files
#include "oggrawaudioextractordllstuff.h"
#include "OggRawAudioExtractorInputPin.h"
#include <libilliCore/iBE_Math.h>

//Forward Declarations
struct sOggRawAudioFormatBlock;
class OggRawAudioExtractorInputPin;
class OggRawAudioExtractorOutputPin;

//Class Interface
class OggRawAudioExtractorFilter
        //Base Classes
        :       public CTransformFilter
{
public:

        //Constructors and Destructors
        OggRawAudioExtractorFilter(void);
        virtual ~OggRawAudioExtractorFilter(void);

        //COM Creator Function
        static CUnknown* WINAPI CreateInstance(LPUNKNOWN pUnk, HRESULT *pHr);

        virtual HRESULT CheckInputType(const CMediaType* inMediaType);
        virtual HRESULT CheckTransform(const CMediaType* inInputMediaType, const CMediaType* inOutputMediaType);
        virtual HRESULT DecideBufferSize(IMemAllocator* inAllocator, ALLOCATOR_PROPERTIES* inPropInputRequest);
        virtual HRESULT GetMediaType(int iPosition, CMediaType* outMediaType);
        virtual HRESULT Transform(IMediaSample* inInputSample, IMediaSample* inOutputSample);

        virtual HRESULT Receive(IMediaSample* inSample);

        virtual HRESULT NewSegment(REFERENCE_TIME inStartTime, REFERENCE_TIME inStopTime, double inRate);

        virtual CBasePin* GetPin(int inPinNo);


protected:

        OggRawAudioExtractorInputPin* mInputPin;
        CTransformOutputPin* mOutputPin;

        unsigned char* mWorkingBuff;
        unsigned long mBytesBuffered;

        __int64 mSegStart;
        __int64 mSegEnd;
        double mSegRate;

};

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