/home/marsyas/marsyas/src/marsyas/Spectrum2Chroma.h

/*
** Copyright (C) 1998-2006 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_SPECTRUM2CHROMA_H
#define MARSYAS_SPECTRUM2CHROMA_H

#include "MarSystem.h"
#include <vector>
#include <string>

namespace Marsyas
{
class Spectrum2Chroma: public MarSystem
{
private:
    realvec chromaMap_;
    std::vector<std::string> noteNames_;

    MarControlPtr ctrl_nbins_;
    MarControlPtr ctrl_middleAfreq_;
    MarControlPtr ctrl_weightCenterFreq_;
    MarControlPtr ctrl_weightStdDev_;

    mrs_natural pnbins_;
    mrs_real pmiddleAfreq_;
    mrs_real pweightCenterFreq_;
    mrs_real pweightStdDev_;

    void addControls();
    void myUpdate(MarControlPtr sender);

public:
    Spectrum2Chroma(std::string name);
    Spectrum2Chroma(const Spectrum2Chroma& a);
    ~Spectrum2Chroma();
    MarSystem* clone() const;

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

}

#endif

---