HighPass.h

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/*
 * Copyright (C) 2013 David McGriffy, all rights reserved
 */

#ifndef highpass_H_INCLUDED
#define highpass_H_INCLUDED

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#include "IIRFilter.h"

class CHighPassFilter : public CIIRFilter  
{
public:
    CHighPassFilter();              
    CHighPassFilter(float f1);      
    virtual ~CHighPassFilter();

    void setSamplingRate(float sr); 
    void setFreqs(float f1);        
    void doFilter(float *node, long sampleFrames);  
protected:
    void init();
    void updateCoefficients();      
    float m_fF1;
    double a0,a1,a2,b0,b1,b2;
    double x1,x2,y1,y2;
};

#endif // !defined(AFX_LowShelfFILTER_H__94C6BA56_4DFC_4BAA_A234_D8266927746C__INCLUDED_)