SpeexDecodeFilter.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 
00032 #pragma once
00033 //Include Files
00034 #include "speexdecoderdllstuff.h"
00035 #include "AbstractTransformFilter.h"
00036 
00037 //Forward Declarations
00038 struct sSpeexFormatBlock;
00039 class SpeexDecodeInputPin;
00040 class SpeexDecodeOutputPin;
00041 
00042 //Class Interface
00043 class SpeexDecodeFilter
00044         //Base Classes
00045         :       public AbstractTransformFilter
00046 {
00047 public:
00048         //Friends
00049         friend class SpeexDecodeInputPin;
00050         friend class SpeexDecodeOutputPin;
00051 
00052         //Constructors and Destructors
00053         SpeexDecodeFilter(void);
00054         virtual ~SpeexDecodeFilter(void);
00055 
00056         //COM Creator Function
00057         static CUnknown* WINAPI CreateInstance(LPUNKNOWN pUnk, HRESULT *pHr);
00058 
00059         
00060         //FIX::: Do we need these ? Aren't they all friends ??
00061         virtual sSpeexFormatBlock* getSpeexFormatBlock();
00062         virtual void setSpeexFormat(sSpeexFormatBlock* inFormatBlock);
00063 
00064 protected:
00065         //Pure Virtuals from AbstracttransformFilter
00066         virtual bool ConstructPins();
00067 
00068         //Format Block
00069         sSpeexFormatBlock* mSpeexFormatInfo;
00070 };

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