/home/marsyas/marsyas/src/marsyas/PlotSink.cpp

/*
** 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.
*/


#include "common.h"

#include "PlotSink.h"
#include <iomanip> 


using std::ostringstream;
using std::cout;
using std::endl;
using std::setw;
using std::setfill;

using namespace Marsyas;

PlotSink::PlotSink(mrs_string name):MarSystem("PlotSink",name)
{
    counter_ = 0;
    addControls();
}

PlotSink::PlotSink(const PlotSink& a):MarSystem(a)
{
    ctrl_messages_ = getctrl("mrs_bool/messages");
    ctrl_separator_ = getctrl("mrs_string/separator");
    ctrl_sequence_ = getctrl("mrs_bool/sequence");
    ctrl_filename_ = getctrl("mrs_string/filename");
    ctrl_matlab_ = getctrl("mrs_bool/matlab");
    ctrl_matlabCommand_ = getctrl("mrs_string/matlabCommand");
}

PlotSink::~PlotSink()
{
}

MarSystem* 
PlotSink::clone() const 
{
    return new PlotSink(*this);
}

void 
PlotSink::addControls()
{
    addctrl("mrs_bool/messages", false, ctrl_messages_);
    addctrl("mrs_string/separator", ",", ctrl_separator_);
    addctrl("mrs_bool/sequence", true, ctrl_sequence_);
    addctrl("mrs_string/filename", "defaultfile", ctrl_filename_);
    addctrl("mrs_bool/matlab", false, ctrl_matlab_);
    addctrl("mrs_string/matlabCommand", 
        "plot("+type_+"_"+name_+"_indata);", ctrl_matlabCommand_);
}

void 
PlotSink::myProcess(realvec& in, realvec& out)
{
    out = in;
    mrs_natural t,o;

    //if using MATLABengine, plot the input data in MATLAB
#ifdef MARSYAS_MATLAB
    if(ctrl_matlab_->isTrue())
    {
        MATLAB_PUT(in, type_+"_"+name_+"_indata")
        MATLAB_EVAL(ctrl_matlabCommand_->to<mrs_string>());
    }
#endif

    counter_++;

    if (ctrl_sequence_->isTrue()) 
    {
        //save current input to a sequence of numbered output files
        ostringstream oss;
        oss << ctrl_filename_->to<mrs_string>() <<
            setfill('0') << setw(4) << counter_ << ".plot";
        cout << "name = " << name_ << " " << oss.str() << endl;

        MRSMSG("Writing " << oss.str() << endl);
        in.write(oss.str());
    }
    
    if(ctrl_messages_->isTrue())
    {
        mrs_string sep =ctrl_separator_->to<mrs_string>();
        //ostringstream oss; 
        //output input content as a Marsyas Message (stdout by default)
//      for (t = 0; t < inSamples_; t++)
//      {
//          for (o=0; o < inObservations_; o++)
//          {
//              if (o < inObservations_ - 1)
//              {
//                  oss << out(o,t) << sep; 
//              }
//              else
//              {
//                  oss << out(o,t);
//              }
//          }
//          mrs_string s = oss.str(); 
//          MRSMSG(s << endl);
//      }//FIXME: confirm that code below is correct and remove commented code above
        
        
        for (o=0; o < inObservations_; o++)
        {
            ostringstream oss;
            for (t = 0; t < inSamples_; t++)
            {
                if (t < inSamples_ - 1)
                {
                    oss << out(o,t) << sep; 
                }
                else
                {
                    oss << out(o,t);
                }
            }
            mrs_string s = oss.str(); 
            MRSMSG(s << endl);
        }
    }
}

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