/home/marsyas/marsyas/src/marsyas/RealvecSink.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 "RealvecSink.h"

using namespace std;
using namespace Marsyas;

RealvecSink::RealvecSink(mrs_string name):MarSystem("RealvecSink",name)
{
    //type_ = "RealvecSink";
    //name_ = name;
    oriName_ = "MARSYAS_EMPTY";
    count_= 0;
    write_ = 0 ;
    addControls();
}

RealvecSink::RealvecSink(const RealvecSink& a):MarSystem(a)
{
    count_ = 0;
    write_ = 0 ;
    oriName_ = "MARSYAS_EMPTY";
    ctrl_data_ = getctrl("mrs_realvec/data");
}


RealvecSink::~RealvecSink()
{
}


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

void 
RealvecSink::addControls()
{
    addctrl("mrs_bool/done", false);
    setctrlState("mrs_bool/done", true);
    addctrl("mrs_realvec/data", realvec(), ctrl_data_);
    setctrlState("mrs_real/israte", true);
    addctrl("mrs_string/fileName", "MARSYAS_EMPTY");
    setctrlState("mrs_string/fileName", true);
}


void
RealvecSink::myUpdate(MarControlPtr sender)
{
    (void) sender;
    MRSDIAG("RealvecSink.cpp - RealvecSink:myUpdate");

    setctrl("mrs_natural/onObservations", getctrl("mrs_natural/inObservations")->to<mrs_natural>());
    setctrl("mrs_natural/onSamples", getctrl("mrs_natural/inSamples")->to<mrs_natural>());
    setctrl("mrs_real/osrate", getctrl("mrs_real/israte")->to<mrs_real>());

    if( getctrl("mrs_bool/done")->isTrue()){
        if(write_)
        {
            // closing output file
            outputFile_.close();
            // copy to tmp
            mrs_string tmp  = oriName_.c_str();
            tmp+="tmp";
            ofstream out;
            out.open(tmp.c_str(), ios::out);
            ifstream in;
            in.open(oriName_.c_str(), ios::in);
            out << in.rdbuf();
            in.close();
            out.close();

            //reopen
            out.open(oriName_.c_str(), ios::out);
            // print header
            out << "# MARSYAS mrs_realvec" << endl;
            out << "# Size = " << inObservations_*count_ << endl << endl;
            out << endl;


            out << "# type: matrix" << endl;
            out << "# rows: " << count_ << endl;
            out << "# columns: " << inObservations_ << endl;
            // fill core
            in.open(tmp.c_str(), ios::in);
            out << in.rdbuf();
            in.close();
            // remove tmp file
#ifdef MARSYAS_WIN32
            _unlink(tmp.c_str());
#else 
            unlink(tmp.c_str());
#endif
            // write bottom
            out << endl;
            out << "# Size = " << inObservations_*count_ << endl;
            out << "# MARSYAS mrs_realvec" << endl;  
            out.close();
        }
        else
        {
            MarControlAccessor acc(ctrl_data_, NOUPDATE);
            realvec& data = acc.to<mrs_realvec>();
            data.stretch(0);
        }
        count_=0;
        setctrl("mrs_bool/done", false);
    }


    if(getctrl("mrs_string/fileName")->to<mrs_string>().compare(oriName_))
    {
        if(write_)
            outputFile_.close();
        oriName_ = getctrl("mrs_string/fileName")->to<mrs_string>();
        outputFile_.open(oriName_.c_str(), ios::out);
        write_ = 1;
    }
}

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

    if(write_)
    {
        for (t=0; t < inSamples_; t++)
        {
            for (o=0 ; o<inObservations_ ; o++)
                outputFile_ << in(o, t) << " " ;
            outputFile_ << endl;
        }
    }
    else
    {
        MarControlAccessor acc(ctrl_data_);
        realvec& data = acc.to<mrs_realvec>();
        data.stretch(inObservations_, count_+inSamples_);

        for (o=0; o < inObservations_; o++)
            for (t=0; t < inSamples_; t++)
                data(o, count_+t) = in(o, t);

        //out.dump();
    }

    count_+=inSamples_;
}

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