Marsyas
0.6.0-alpha
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00001 /* 00002 ** Copyright (C) 1998-2010 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 "Clip.h" 00020 00021 using std::ostringstream; 00022 using namespace Marsyas; 00023 00024 Clip::Clip(mrs_string name):MarSystem("Clip",name) 00025 { 00026 addControls(); 00027 } 00028 00029 00030 Clip::~Clip() 00031 { 00032 } 00033 00034 00035 Clip::Clip(const Clip& a) : MarSystem(a) 00036 { 00037 ctrl_range_ = getctrl("mrs_real/range"); 00038 } 00039 00040 00041 00042 00043 MarSystem* 00044 Clip::clone() const 00045 { 00046 return new Clip(*this); 00047 } 00048 00049 void 00050 Clip::addControls() 00051 { 00052 //Add specific controls needed by this MarSystem. 00053 addctrl("mrs_real/range", 1.0, ctrl_range_); 00054 } 00055 00056 00057 void 00058 Clip::myUpdate(MarControlPtr sender) 00059 { 00060 MarSystem::myUpdate(sender); 00061 } 00062 00063 void 00064 Clip::myProcess(realvec& in, realvec& out) 00065 { 00066 mrs_natural o,t; 00067 mrs_real range = ctrl_range_->to<mrs_real>(); 00068 00069 for (o=0; o < inObservations_; o++) 00070 { 00071 for (t = 0; t < inSamples_; t++) 00072 { 00073 if (in(o,t) > range) 00074 out(o,t) = range; 00075 else if (in(o,t) < -range) 00076 out(o,t) = -range; 00077 else 00078 out(o,t) = in(o,t); 00079 00080 } 00081 } 00082 } 00083 00084 00085 00086 00087 00088 00089 00090 00091 00092