Marsyas  0.6.0-alpha
/usr/src/RPM/BUILD/marsyas-0.6.0/src/marsyas/marsystems/DCSource.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 "DCSource.h"
00020 
00021 using namespace std;
00022 using namespace Marsyas;
00023 
00024 DCSource::DCSource(mrs_string name):MarSystem("DCSource",name)
00025 {
00026   //type_ = "DCSource";
00027   //name_ = name;
00028 
00029   addControls();
00030 
00031 
00032 }
00033 
00034 DCSource::~DCSource()
00035 {
00036 }
00037 
00038 MarSystem*
00039 DCSource::clone() const
00040 {
00041   return new DCSource(*this);
00042 }
00043 
00044 void
00045 DCSource::addControls()
00046 {
00047   addctrl("mrs_real/level", 1.0);
00048 }
00049 
00050 void
00051 DCSource::myUpdate(MarControlPtr sender)
00052 {
00053   MarSystem::myUpdate(sender);
00054 }
00055 
00056 void
00057 DCSource::myProcess(realvec &in, realvec &out)
00058 {
00059   (void) in;
00060 
00061   mrs_real level = (getctrl("mrs_real/level")->to<mrs_real>());
00062   mrs_natural inSamples = getctrl("mrs_natural/inSamples")->to<mrs_natural>();
00063 
00064 //  cout << "f=" << frequency;
00065 //  cout << "d=" << duty;
00066 //  cout << "irate=" << irate;
00067 //  cout << "deltaphase=" << incr;
00068 //  cout << "insamples=" << inSamples;
00069 
00070   for (mrs_natural t=0; t < inSamples; t++)
00071   {
00072     out(0,t) = level;
00073   }
00074 }
00075 
00076 
00077 
00078 //00053 void
00079 //00054 NoiseSource::myProcess(realvec &in, realvec &out)
00080 //00055 {
00081 //00056     for (mrs_natural t=0; t < inSamples_; t++)
00082 //00057         out(t) = (mrs_real)(2.0 * rand() / (RAND_MAX + 1.0) )-1;
00083 //00058 }
00084 //00059
00085 //00060
00086 //00061
00087 
00088