AbstractAudioEncodeFilter.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 
00034 #include "abstractaudioencodedllstuff.h"
00035 
00036 class AbstractAudioEncodeInputPin;
00037 class AbstractAudioEncodeOutputPin;
00038 
00039 class ABS_AUDIO_ENC_API AbstractAudioEncodeFilter 
00040         :       public CBaseFilter
00041         //,     public BasicSeekable
00042 {
00043 public:
00044         friend class AbstractAudioEncodeInputPin;
00045         friend class AbstractAudioEncodeOutputPin;
00046         AbstractAudioEncodeFilter(TCHAR* inFilterName, REFCLSID inFilterGUID, unsigned short inAudioFormat );
00047         virtual ~AbstractAudioEncodeFilter(void);
00048         
00049         static const long NUM_PINS = 2;
00050         enum eAudioFormat {
00051                 NONE = 0,
00052                 VORBIS = 1,
00053                 SPEEX = 2,
00054                 FLAC = 3,
00055                 OTHER = 1000
00056         };
00057 
00058         DECLARE_IUNKNOWN
00059         STDMETHODIMP NonDelegatingQueryInterface(REFIID riid, void **ppv);
00060 
00061         //PURE VIRTUALS
00062         virtual bool ConstructPins() = 0;
00063         virtual void DestroyPins();
00064 
00065         //static CUnknown* WINAPI CreateInstance(LPUNKNOWN pUnk, HRESULT *pHr);
00066 
00067         //CBaseFilter overrides
00068         CBasePin* GetPin(int n);
00069         int GetPinCount(void);
00070 
00071         virtual STDMETHODIMP Stop();
00072         
00073         unsigned short mAudioFormat;
00074 
00075 protected:
00076 
00077         AbstractAudioEncodeInputPin* mInputPin;
00078         AbstractAudioEncodeOutputPin* mOutputPin;
00079 
00080 };

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