/home/marsyas/marsyas/src/marsyas/Clip.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 "Clip.h"

using std::ostringstream;
using namespace Marsyas;

Clip::Clip(mrs_string name):MarSystem("Clip",name)
{
    addControls();
}


Clip::~Clip()
{
}


Clip::Clip(const Clip& a) : MarSystem(a)
{
    ctrl_range_ = getctrl("mrs_real/range");
}




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

void 
Clip::addControls()
{
    //Add specific controls needed by this MarSystem.
    addctrl("mrs_real/range", 1.0, ctrl_range_);
}


void
Clip::myUpdate(MarControlPtr sender)
{
    MarSystem::myUpdate(sender);  
}

void 
Clip::myProcess(realvec& in, realvec& out)
{
    mrs_natural o,t;
    mrs_real range = ctrl_range_->to<mrs_real>();
    
    for (o=0; o < inObservations_; o++)
    {
        for (t = 0; t < inSamples_; t++)
        {
            if (in(o,t) > range) 
                out(o,t) = range; 
            else if (in(o,t) < -range) 
                out(o,t) = -range;
            else
                out(o,t) = in(o,t);
            
        }
    }
}







    

    

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