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//===========================================================================
//
// DeicsOnze an emulator of the YAMAHA DX11 synthesizer
//
// Version 0.5.5
//
// deicsonzefilter.h
//
//
// Copyright (c) 2004-2006 Nil Geisweiller
//
//
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
// 02111-1301, USA or point your web browser to http://www.gnu.org.
//===========================================================================
#ifndef __DEICSONZEFILTER_H
#define __DEICSONZEFILTER_H
#include <math.h>
class LowFilter {
private:
int _samplerate;
double _cutoff; //frequency cutoff
float _a;
float _b;
float _li; //last left input sample
float _ri; //last right input sample
float _lo; //last left output sample
float _ro; //last right output sample
public:
LowFilter();
~LowFilter() {}
void setSamplerate(int sr);
void setCutoff(double cut);
//int getSamplerate();
//double getCutoff();
void process(float* leftSamples, float* RightSamples, unsigned n);
};
#endif /* __DEICSONZEFILTER_H */
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