CleanTracks.hxx

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/*
 * Copyright (c) 2001-2004 MUSIC TECHNOLOGY GROUP (MTG)
 *                         UNIVERSITAT POMPEU FABRA
 *
 *
 * 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 _CLEANTRACKS__
#define _CLEANTRACKS__

#include "Segment.hxx"
#include "SpectralPeakArray.hxx"
#include "DataTypes.hxx"
#include "Processing.hxx"
#include "Array.hxx"
#include "SearchArray.hxx"
#include "CleanTracksConfig.hxx"

namespace CLAM {

        class SpectralPeakArray;
        class Segment;
        class ProcessingConfig;

        /* CleanTracksConfig moved to CleanTracksConfig.hxx */

        typedef struct STrajectory
        {
                TIndex id;
                int beginPos;
                int length;
                TData initialFreq;
                TData finalFreq;
                TData initialMag;
                TData finalMag;
                int continuedAtId;
                friend bool operator >=(const struct STrajectory& first,const struct STrajectory& second)
                {
                        return(first.id>=second.id);
                }
                friend bool operator <(const struct STrajectory& first,const struct STrajectory& second)
                {
                        return(first.id<second.id);
                }
        }TTrajectory;



        class CleanTracks: public Processing
        {
                mutable CleanTracksConfig mConfig;

                const char *GetClassName() const {return "CleanTracks";}

                virtual bool ConcreteConfigure(const ProcessingConfig&);

        public:

                CleanTracks();
                CleanTracks(const CleanTracksConfig &c);
                ~CleanTracks();

                //Configuration accessor
                const ProcessingConfig &GetConfig() const { return mConfig;};

                //Peak Continuation for one frame
                bool Do(Array<SpectralPeakArray*>& peakArrayArray);
                bool Do(Segment& segment);
        bool Do(void);

                int GetnCleanedTracks() const {return mTrajectoryArray.Size();};

        private:
                void LoadTracks(Array<SpectralPeakArray*>& peakArrayArray);
                void AddTrajectory(TTrajectory& trajectory);
                void FindContinuations(void);
                void JoinContinuations(Array<SpectralPeakArray*>& peakArrayArray);
                void Clean(Array<SpectralPeakArray*>& peakArrayArray);
                void UpdateTrackIds(Array<SpectralPeakArray*>& peakArrayArray);
                void InterpolatePeaks(TTrajectory& trajectory, Array<SpectralPeakArray*>& peakArrayArray);

                TIndex FindTrajectoryPosition(TIndex id);

                TData mSamplingRate;
                TData mSpecSize;
                TSize mMaxDropOut;
                TSize mMinLength;
                TData mFreqDev;
                Array<TTrajectory> mTrajectoryArray;
                SearchArray<TTrajectory> mSearchTrajectories;




        };

};//namespace

#endif