48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
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// AudioPlugIn.h: interface for the CAudioPlugIn class.
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//
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//////////////////////////////////////////////////////////////////////
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#if !defined(AFX_AUDIOPLUGIN_H__D9177ACC_DFF4_4C13_8FB9_F949C35BFEF0__INCLUDED_)
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#define AFX_AUDIOPLUGIN_H__D9177ACC_DFF4_4C13_8FB9_F949C35BFEF0__INCLUDED_
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#if _MSC_VER > 1000
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#pragma once
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#endif // _MSC_VER > 1000
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struct DXiEvent;
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struct MfxEvent;
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#include "DXi.h"
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// TODO: #define PROCESS_IN_PLACE to FALSE if necessary, i.e., for plug-ins
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// which convert mono to stereo.
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#define PROCESS_IN_PLACE (TRUE)
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class CAudioPlugIn :
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public CDXi
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{
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public:
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CAudioPlugIn( HRESULT* phr );
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virtual ~CAudioPlugIn();
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HRESULT Initialize();
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HRESULT IsValidInputFormat( const WAVEFORMATEX* pwfx ) const;
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HRESULT IsValidOutputFormat( const WAVEFORMATEX* pwfx ) const;
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HRESULT IsValidTransform( const WAVEFORMATEX* pwfxIn, const WAVEFORMATEX* pwfxOut ) const;
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HRESULT SuggestOutputFormat( WAVEFORMATEX* pwfx ) const;
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HRESULT Process( LONGLONG llSampAudioTimestamp,
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AudioBuffer* pbufIn,
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AudioBuffer* pbufOut );
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HRESULT AllocateResources();
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HRESULT FreeResources();
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int PersistGetSize() const;
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HRESULT PersistLoad( IStream* pStream );
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HRESULT PersistSave( IStream* pStream );
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};
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#endif // !defined(AFX_AUDIOPLUGIN_H__D9177ACC_DFF4_4C13_8FB9_F949C35BFEF0__INCLUDED_)
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