/home/marsyas/marsyas/src/marsyas/TimeFreqPeakConnectivity.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_TimeFreqPeakConnectivity_H
#define MARSYAS_TimeFreqPeakConnectivity_H

#include "MarSystem.h"

class DoubleListEntries;

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

        void addControls();

        void myUpdate(MarControlPtr sender);

        // don't change the order!
        enum Direction_t
        {
            kFromDown,
            kFromLeft,
            kFromUp,

            kNumDirections
        };

        static inline mrs_real dtwFindMin (mrs_real *prevCost, unsigned char &tbIdx)
        {
            mrs_real    min = 1e30;
            tbIdx   = kFromLeft;

            for (unsigned char i = 0; i < kNumDirections; i++)
            {
                if (prevCost[i] <= min)
                {
                    min     = prevCost[i];
                    tbIdx   = i;
                }
            }
            return min;
        };

        void AllocMemory (mrs_natural numSamples);
        void FreeMemory ();

        void SetOutput(mrs_realvec &out, const mrs_real cost, mrs_natural idxRowA, mrs_natural idxColA, mrs_natural idxRowB, mrs_natural idxColB);
        mrs_natural Freq2RowIdx (mrs_real barkFreq, mrs_real bres);
        void CalcDp (mrs_realvec &Matrix, mrs_natural startr, mrs_natural startc, mrs_natural stopr, mrs_natural stopc);
        void InitMatrix (mrs_realvec &Matrix, unsigned char **traceback, mrs_natural rowIdx, mrs_natural colIdx);
        MarControlPtr   ctrl_reso_;
        mrs_realvec     peakMatrix_,
                        costMatrix_;
        mrs_real        downFreq_,
                        upFreq_;
        mrs_natural     numBands_,
                        textWinSize_;
        mrs_natural     *path_,
                        **peakIndices_;
        unsigned char** tracebackIdx_;
        DoubleListEntries *multipleIndices;

    public:
        TimeFreqPeakConnectivity(std::string name);

        TimeFreqPeakConnectivity(const TimeFreqPeakConnectivity& a);

        ~TimeFreqPeakConnectivity();

        MarSystem* clone() const;

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

}
//namespace Marsyas

#endif
//MARSYAS_TimeFreqPeakConnectivity_H

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