Marsyas  0.6.0-alpha
/usr/src/RPM/BUILD/marsyas-0.6.0/src/marsyas/marsystems/Product.cpp
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00001 /*
00002 ** Copyright (C) 1998-2006 George Tzanetakis <gtzan@cs.uvic.ca>
00003 **
00004 ** This program is free software; you can redistribute it and/or modify
00005 ** it under the terms of the GNU General Public License as published by
00006 ** the Free Software Foundation; either version 2 of the License, or
00007 ** (at your option) any later version.
00008 **
00009 ** This program is distributed in the hope that it will be useful,
00010 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
00011 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012 ** GNU General Public License for more details.
00013 **
00014 ** You should have received a copy of the GNU General Public License
00015 ** along with this program; if not, write to the Free Software
00016 ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
00017 */
00018 
00019 #include "Product.h"
00020 #include "../common_source.h"
00021 
00022 #include <iostream>
00023 
00024 using std::ostringstream;
00025 using namespace Marsyas;
00026 
00027 Product::Product(mrs_string name):MarSystem("Product",name)
00028 {
00029   addControls();
00030 }
00031 
00032 void
00033 Product::addControls()
00034 {
00035   addctrl("mrs_realvec/mask", realvec(),ctrl_mask_);
00036   addctrl("mrs_bool/use_mask", false);
00037 }
00038 
00039 Product::~Product()
00040 {
00041 }
00042 
00043 MarSystem*
00044 Product::clone() const
00045 {
00046   return new Product(*this);
00047 }
00048 
00049 
00050 void
00051 Product::myUpdate(MarControlPtr sender)
00052 {
00053   (void) sender;  //suppress warning of unused parameter(s)
00054   MRSDIAG("Product.cpp - Product:myUpdate");
00055 
00056   ctrl_onSamples_->setValue(ctrl_inSamples_, NOUPDATE);
00057   ctrl_onObservations_->setValue(1, NOUPDATE);
00058   ctrl_osrate_->setValue(ctrl_israte_, NOUPDATE);
00059   ctrl_onObsNames_->setValue(ctrl_inObsNames_, NOUPDATE);
00060 }
00061 
00062 
00063 void
00064 Product::myProcess(realvec& in, realvec& out)
00065 {
00066   mrs_natural t,o;
00067 
00068   if (getctrl("mrs_bool/use_mask")==true) {
00069     MarControlAccessor acc(getctrl("mrs_realvec/mask"));
00070     mrs_realvec& mask = acc.to<mrs_realvec>();
00071     for (t = 0; t < inSamples_; t++)
00072       out(0,t) = mask(t);
00073   }
00074   else {
00075     for (t = 0; t < inSamples_; t++)
00076       out(0,t) = 1;
00077   }
00078   for (o=0; o < inObservations_; o++)
00079     for (t = 0; t < inSamples_; t++)
00080     {
00081       out(0,t) *= in(o,t);
00082     }
00083 }