/home/marsyas/marsyas/src/marsyas/BeatHistoFeatures.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_BEATHISTOFEATURES_H
#define MARSYAS_BEATHISTOFEATURES_H

#include "MarSystem.h"  
#include "MaxArgMax.h" 
#include "Peaker.h" 

namespace Marsyas
{
    class BeatHistoFeatures: public MarSystem
    {
        private: 
            MarSystem* mxr_;
            MarSystem* pkr_;
            MarSystem* pkr1_;
            
            MarControlPtr ctrl_mode_;
        
            realvec mxres_;
            realvec pkres_;
            realvec pkres1_;
        
            realvec flag_;
  
            void harm_prob(mrs_real& pmax, mrs_real factor, 
                           mrs_real& s1, mrs_natural& t1, 
                           mrs_real& s2, mrs_natural& t2, 
                           mrs_natural tmx,
                           mrs_natural size, 
                           const realvec& in);

            // helper function used by harm_prob
            mrs_real sum_nearby(mrs_natural index, mrs_natural radius, 
                                mrs_natural size, const realvec& in);

            void myUpdate(MarControlPtr sender);
            void beatHistoFeatures(realvec& in, realvec& out);

            mrs_real NumMax (mrs_realvec& in);
        
            void addControls();  
        public:
            BeatHistoFeatures(std::string name);
            BeatHistoFeatures(const BeatHistoFeatures& a);
  
            ~BeatHistoFeatures();
            MarSystem* clone() const;  
  
            void myProcess(realvec& in, realvec& out);
    };

}//namespace Marsyas

#endif

    

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