/home/marsyas/marsyas/src/marsyas/TimeLine.h

/*
** Copyright (C) 1998-2004 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_TIMELINE_H
#define MARSYAS_TIMELINE_H

#include "FileName.h"
#include "realvec.h"
#include "Color.h"

#include <string>
#include <algorithm>
#include "Communicator.h"

#include <vector>

namespace Marsyas
{
struct marsyas_EXPORT TimeRegion
{
  mrs_natural start;
  mrs_natural classId;
  //Color color;
  mrs_natural end;
  mrs_string name;
};

class marsyas_EXPORT TimeLine
{
protected:
    mrs_string filename_;
    mrs_natural numRegions_;
    mrs_natural lineSize_;
    mrs_natural size_;
    mrs_natural srate_;
    mrs_natural psrate_;
    
  
    std::vector<TimeRegion> regions_;

public:
  TimeLine();
  ~TimeLine();
  
    void clear();
    void regular(mrs_natural spacing, mrs_natural size, mrs_natural lineSize = MRS_DEFAULT_SLICE_NSAMPLES);
    void segment(realvec segmentation, mrs_natural lineSize = MRS_DEFAULT_SLICE_NSAMPLES);
  
    mrs_string filename() const {return filename_;};
    mrs_natural size()const {return size_;};
    mrs_natural lineSize()const {return lineSize_;};
    
    mrs_natural numRegions() const {return numRegions_;};
    std::vector<mrs_string> getRegionNames() const;
  mrs_natural regionStart(mrs_natural regionNum) const;
  mrs_natural regionEnd(mrs_natural regionNum) const;
  mrs_string regionName(mrs_natural regionNum) const;
    mrs_real regionClass(mrs_natural regionNum) const;
    
    void setRegionName(mrs_natural regionNum, mrs_string name);
  void setRegionClass(mrs_natural regionNum, mrs_natural classId);
  void setSampleRate(mrs_real srate);
  
  void removeRegion(mrs_natural regionNum);

    mrs_natural numClasses() const;
    //mrs_natural sampleRegion(mrs_natural sample) const;
    mrs_natural sampleClass(mrs_natural sample) const;
        
    void smooth(mrs_natural smoothSize);
 
    void info() const;
    bool load(mrs_string filename);
  void write(mrs_string filename);  
  friend std::ostream& operator<<(std::ostream&, const TimeLine&);

    void receive(Communicator* com);
    void send(Communicator* com);

    void print(FILE *fp);
    void printnew(FILE *fp);
    //void print_mp3(FILE *fp);
  //void print_mmf(FILE *fp);
    /* void color(FeatMatrix &map); */
  
};

}//namespace Marsyas



#endif



    



    

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