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 "Transposer.h" 00020 00021 using namespace std; 00022 using namespace Marsyas; 00023 00024 Transposer::Transposer(mrs_string name):MarSystem("Transposer", name) 00025 { 00026 } 00027 00028 Transposer::Transposer(const Transposer& a) : MarSystem(a) 00029 { 00030 } 00031 00032 Transposer::~Transposer() 00033 { 00034 } 00035 00036 MarSystem* 00037 Transposer::clone() const 00038 { 00039 return new Transposer(*this); 00040 } 00041 00042 void 00043 Transposer::myUpdate(MarControlPtr sender) 00044 { 00045 (void) sender; //suppress warning of unused parameter(s) 00046 ctrl_osrate_->setValue(ctrl_israte_, NOUPDATE); 00047 ctrl_onObsNames_->setValue(ctrl_inObsNames_, NOUPDATE); 00048 00049 if (getctrl("mrs_natural/inSamples")->to<mrs_natural>() != getctrl("mrs_natural/onObservations")->to<mrs_natural>()) 00050 updControl("mrs_natural/onObservations", getctrl("mrs_natural/inSamples")->to<mrs_natural>()); 00051 if (getctrl("mrs_natural/onSamples")->to<mrs_natural>() != getctrl("mrs_natural/inObservations")->to<mrs_natural>()) 00052 updControl("mrs_natural/onSamples", getctrl("mrs_natural/inObservations")->to<mrs_natural>()); 00053 } 00054 00055 00056 void 00057 Transposer::myProcess(realvec& in, realvec& out) 00058 { 00059 mrs_natural o,t; 00060 // copy all values but switch the dimensions 00061 // if input has [m,n] then output has [n,m] 00062 for (o=0; o < inObservations_; o++) 00063 { 00064 for (t = 0; t < inSamples_; t++) 00065 { 00066 // transpose observations in channels and vice versa 00067 out(t,o) = in(o,t); 00068 } 00069 } 00070 }