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//===========================================================================
//
// PanDelay, panoramic rotating delay
//
// version 0.0.1
//
// pandelaymodel.h
//
//
// Copyright (c) 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
// 02110-1301, USA or point your web browser to http://www.gnu.org.
//===========================================================================
#ifndef __PANDELAYMODEL_H
#define __PANDELAYMODEL_H
#include <math.h>
#define MAXBUFFERLENGTH 192000
#define MINFREQ 0.1 //in Hz
#define MAXFREQ 10.0 //in Hz
#define MINBPM 60.0
#define MAXBPM 255.0
#define MINBEATRATIO 0.125
#define MAXBEATRATIO 2.0
#define MINDELAYTIME 0.01 //in second
#define MAXDELAYTIME 2.0 //in second
#ifdef NBRPARAM
#undef NBRPARAM
#endif
#define NBRPARAM 5
class PanDelayModel {
private:
int _samplerate;
//bool _beatFraction; //if true then the delay is calculated in beat fraction
float _BPM;
float _beatRatio;
float _delayTime; //delay is calculated according to BMP and ratioBMP
float _feedback;
float _panLFOFreq;
float _panLFODepth;
float _dryWet; //0.0 : dry, 1.0 : wet
int _delaySampleSize;
float _lBound;
float _rBound;
float _inc;
float _l;
float _r;
float _leftBuffer[MAXBUFFERLENGTH];
float _rightBuffer[MAXBUFFERLENGTH];
int _bufferPointer;
public:
PanDelayModel(int samplerate);
~PanDelayModel();
void setSamplerate(int sr);
void setBeatRatio(float br);
void setBPM(float bpm);
void setDelayTime(float dt);
void setFeedback(float dt);
void setPanLFOFreq(float pf);
void setPanLFODepth(float pd);
void setDryWet(float dw);
void setPanDelay();
void processMix(float* leftInSamples, float* rightInSamples,
float* leftOutSamples, float* rightOutSamples,
unsigned n);
void processReplace(float* leftInSamples, float* rightInSamples,
float* leftOutSamples, float* rightOutSamples,
unsigned n);
};
#endif /* __PANDELAYMODEL_H */
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