Marsyas
0.6.0-alpha
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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 "NoiseSource.h" 00020 00021 using std::ostringstream; 00022 using namespace Marsyas; 00023 00024 NoiseSource::NoiseSource(mrs_string name):MarSystem("NoiseSource",name) 00025 { 00026 addControls(); 00027 } 00028 00029 NoiseSource::~NoiseSource() 00030 { 00031 } 00032 00033 MarSystem* 00034 NoiseSource::clone() const 00035 { 00036 return new NoiseSource(*this); 00037 } 00038 00039 void 00040 NoiseSource::addControls() 00041 { 00042 } 00043 00044 00045 00046 void 00047 NoiseSource::myUpdate(MarControlPtr sender) 00048 { 00049 MarSystem::myUpdate(sender); 00050 00051 } 00052 00053 void 00054 NoiseSource::myProcess(realvec &in, realvec &out) 00055 { 00056 (void) in; 00057 for (mrs_natural t=0; t < onSamples_; ++t) 00058 for (mrs_natural o=0; o < onObservations_; ++o) 00059 out(o,t) = (mrs_real)(2.0 * rand() / (RAND_MAX + 1.0) )-1; 00060 } 00061 00062 00063 00064 00065