VorbisDecodeFilter.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
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//===========================================================================


#pragma once
//Include Files
#include "vorbisdecoderdllstuff.h"
#include "AbstractTransformFilter.h"

//Forward Declarations
struct sVorbisFormatBlock;
class VorbisDecodeInputPin;
class VorbisDecodeOutputPin;

//Class Interface
class VorbisDecodeFilter
        //Base Classes
        :       public AbstractTransformFilter
{
public:
        //Friends
        friend class VorbisDecodeInputPin;
        friend class VorbisDecodeOutputPin;

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

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

        //FIX::: Do we need these ? Aren't they all friends ??
        virtual sVorbisFormatBlock* getVorbisFormatBlock();
        virtual void setVorbisFormat(BYTE* inFormatBlock);

protected:
        //VIRTUAL FUNCTIONS - AbstractTransformFilter
        virtual bool ConstructPins();

        //Format Block
        sVorbisFormatBlock* mVorbisFormatInfo;
};

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