amf_graphicequalizer.h

ADI SHARC DSP 音频算法标准模块库

#ifndef _AMF_GRAPHICEQUALIZER_
#define _AMF_GRAPHICEQUALIZER_

// Copyright(c) 2007 Analog Devices, Inc. All Rights Reserved.
// This software is proprietary and confidential to Analog Devices, Inc. and its licensors.

// File    : $Id: AMF_GraphicEqualizer.h 256 2007-07-19 06:48:33Z asripada $ 
// Part of : VisualAudio V2.5.0 
// Updated : $Date: 2007-07-19 12:18:33 +0530 (Thu, 19 Jul 2007) $ by $Author: asripada $


#include "AudioProcessing.h"

//#define ENA_TUNE_IN_DSP

typedef struct {
    AMF_Module b;

	int numStages;
	int numBands;

    AMF_Signal  *pC0;
    AMF_Signal  *pC;
    AMF_Signal  *pV;
    AMF_Signal  *pK;
    AMF_Signal  *pA0Inv;
    AMF_Signal  *pStates;
    float       *freqLo;
    float       *freqHi;
#ifdef ENA_TUNE_IN_DSP
    /* Needed only for tuning */
    void  *pCenterFreq;
    void  *pKBase;
    void  *pGain;
    void  *pPrevGain;
	int initFlag;
	int samplingRate;	
    float firstCenterFreq;
#endif
} AMF_GraphicEqualizer;

extern const AMF_ModuleClass AMFClassGraphicEqualizer;

void  AMF_GraphicEqualizer_Render(AMF_GraphicEqualizer *  restrict instance, AMF_Signal *restrict *buffers,int tickSize);

#ifdef ENA_TUNE_IN_DSP
void  AMF_GraphicEqualizer_Tune(AMF_GraphicEqualizer *instance,AMF_Signal **buffers , int tickSize);
#endif

#endif /* _AMF_GRAPHICEQUALIZER_  */