SpeexDecodeFilter.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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//PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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//===========================================================================

#pragma once
//Include Files
#include "speexdecoderdllstuff.h"
#include "AbstractTransformFilter.h"
#include <libilliCore/iLE_Math.h>

//Forward Declarations
struct sSpeexFormatBlock;
class SpeexDecodeInputPin;
class SpeexDecodeOutputPin;

//Class Interface
class SpeexDecodeFilter
        //Base Classes
        :       public AbstractTransformFilter
{
public:
        //Friends
        friend class SpeexDecodeInputPin;
        friend class SpeexDecodeOutputPin;

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

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

        
        //FIX::: Do we need these ? Aren't they all friends ??
        virtual sSpeexFormatBlock* getSpeexFormatBlock();
        virtual void setSpeexFormat(BYTE* inFormatBlock);

protected:
        //Pure Virtuals from AbstracttransformFilter
        virtual bool ConstructPins();

        //Format Block
        sSpeexFormatBlock* mSpeexFormatInfo;
};

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