/home/marsyas/marsyas/src/marsyas/Inject.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 "Inject.h"

using std::ostringstream;
using namespace Marsyas;

Inject::Inject(mrs_string name) : MarSystem("Inject", name)
{
    addControls();
    prev_injectSize_ = 0;
}

Inject::Inject(const Inject& a) : MarSystem(a)
{
    ctrl_inject_ = getctrl("mrs_realvec/inject");
    ctrl_injectSize_ = getctrl("mrs_natural/injectSize");
    ctrl_injectNames_ = getctrl("mrs_string/injectNames");
    prev_injectSize_ = 0;
}



Inject::~Inject()
{
}

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

void
Inject::addControls()
{
    addctrl("mrs_realvec/inject", realvec(), ctrl_inject_);
    addctrl("mrs_natural/injectSize", 1, ctrl_injectSize_);
    setctrlState("mrs_natural/injectSize", true);
    addctrl("mrs_string/injectNames", "t1,t2,t3,t4,t5,t6,t7,t8", ctrl_injectNames_);
}



void
Inject::myUpdate(MarControlPtr sender)
{
    (void) sender;
    ctrl_onSamples_->setValue(ctrl_inSamples_, NOUPDATE);
    ctrl_onObservations_->setValue(ctrl_inObservations_->to<mrs_natural>() + ctrl_injectSize_->to<mrs_natural>(), NOUPDATE);
    ctrl_osrate_->setValue(ctrl_israte_->to<mrs_real>(), NOUPDATE);
    mrs_string onObsNames = ctrl_inObsNames_->to<mrs_string>();
    mrs_string injectNames = ctrl_injectNames_->to<mrs_string>();
    ctrl_onObsNames_->setValue(onObsNames + injectNames, NOUPDATE);

    
    mrs_natural injectSize = ctrl_injectSize_->to<mrs_natural>();
    
    if (prev_injectSize_ != injectSize)
    {
        MarControlAccessor acc(ctrl_inject_);
        mrs_realvec& inject = acc.to<mrs_realvec>();

        
        inject.stretch(injectSize);
    }




    prev_injectSize_ = injectSize;
    
}

void
Inject::myProcess(realvec& in, realvec& out)
{
    mrs_natural t,o;
    MarControlAccessor acc(ctrl_inject_);
    mrs_realvec& inject = acc.to<mrs_realvec>();    
    
    for (o = 0; o < inObservations_; o++)
    {
        for (t = 0; t < inSamples_; t++)
        {
            
            out(o, t) = in(o, t);
        }
    }

    

    for (o = inObservations_; o < onObservations_; o++)
    {
        for (t = 0; t < inSamples_; t++)
        {
            out(o, t) = inject(o-inObservations_);
        }
    }

}

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