/home/marsyas/marsyas/src/marsyas/RealvecSource.cpp

/*
** 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.
*/

#include "RealvecSource.h"

using namespace std;
using namespace Marsyas;

RealvecSource::RealvecSource(mrs_string name):MarSystem("RealvecSource",name)
{
    count_= 0;
    addControls();
}

RealvecSource::RealvecSource(const RealvecSource& a):MarSystem(a)
{
    count_ = 0;
    ctrl_data_ = getctrl("mrs_realvec/data");
}


RealvecSource::~RealvecSource()
{
}


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

void 
RealvecSource::addControls()
{
    samplesToUse_ = (mrs_natural)MRS_DEFAULT_SLICE_NSAMPLES;
    addctrl("mrs_bool/done", false);
    setctrlState("mrs_bool/done", true);
    addctrl("mrs_realvec/data", realvec(), ctrl_data_);
    setctrlState("mrs_realvec/data", true);
    setctrlState("mrs_real/israte", true);
}


void
RealvecSource::myUpdate(MarControlPtr sender)
{
    (void)sender;
    MRSDIAG("RealvecSource.cpp - RealvecSource:myUpdate");
    
    inSamples_ = getctrl("mrs_natural/inSamples")->to<mrs_natural>();
    inObservations_ = getctrl("mrs_natural/inObservations")->to<mrs_natural>();
    israte_ = getctrl("mrs_real/israte")->to<mrs_real>();
    
    const realvec& data = ctrl_data_->to<realvec> ();

    setctrl("mrs_natural/onObservations", data.getRows());
    setctrl("mrs_natural/onSamples", inSamples_);
    setctrl("mrs_real/osrate", israte_);
    samplesToUse_ = data.getCols();
    
    count_ = 0;
    
    if( getctrl("mrs_bool/done")->isTrue()){
        setctrl("mrs_bool/done", false);
    }
}

void 
RealvecSource::myProcess(realvec& in, realvec& out)
{ 
    mrs_natural o,t;
    (void) in; 
    //checkFlow(in,out);
    const realvec& data = ctrl_data_->to<realvec> ();
    
    if( count_ < samplesToUse_)
    {
        for (o=0; o < onObservations_; o++)
        {
            for (t=0; t < onSamples_; t++)
            {
                out(o,t) = data(o,count_ + t);
            }
        }
        count_ += onSamples_;
    }
    else
      setctrl("mrs_bool/done", true);  

    if (count_ >= samplesToUse_)
    {
        setctrl("mrs_bool/done", true);
    }

    //out.dump();
}

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