/home/marsyas/marsyas/src/marsyas/HarmonicStrength.h

/*
** Copyright (C) 1998-2010 George Tzanetakis <gtzan@cs.uvic.ca>
**
** 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/

#ifndef MARSYAS_HARMONICSTRENGTH_H
#define MARSYAS_HARMONICSTRENGTH_H

#include "MarSystem.h"

namespace Marsyas
{
class marsyas_EXPORT HarmonicStrength: public MarSystem
{
private:

    void addControls();

    void myUpdate(MarControlPtr sender);


    MarControlPtr ctrl_base_frequency_;
    MarControlPtr ctrl_harmonics_;
    MarControlPtr ctrl_harmonicsSize_;
    MarControlPtr ctrl_harmonicsWidth_;
    MarControlPtr ctrl_inharmonicity_B_;

    mrs_real find_peak_magnitude(mrs_real central_bin,
                                 mrs_realvec& in, mrs_natural t,
                                 mrs_real low, mrs_real high);
    mrs_real quadratic_interpolation(mrs_real best_bin,
                                     mrs_realvec& in, mrs_natural t);

public:
    HarmonicStrength(std::string name);

    HarmonicStrength(const HarmonicStrength& a);

    ~HarmonicStrength();

    MarSystem* clone() const;

    void myProcess(realvec& in, realvec& out);
};

}
//namespace Marsyas

#endif
//MARSYAS_HARMONICSTRENGTH_H

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