Marsyas  0.6.0-alpha
/usr/src/RPM/BUILD/marsyas-0.6.0/src/marsyas/marsystems/SpectralTransformations.h
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00001 /*
00002 ** Copyright (C) 1998-2011 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 #ifndef MARSYAS_SPECTRALTRANSFORMATIONS_H
00020 #define MARSYAS_SPECTRALTRANSFORMATIONS_H
00021 
00022 #include <marsyas/system/MarSystem.h>
00023 
00024 namespace Marsyas
00025 {
00038 class SpectralTransformations: public MarSystem
00039 {
00040 private:
00041   void addControls();
00042   void myUpdate(MarControlPtr sender);
00043 
00044   MarControlPtr ctrl_gain_;
00045   MarControlPtr ctrl_mode_;
00046 
00047   mrs_real N2_, re_, im_, mag_, phs_;
00048 
00049 public:
00050   SpectralTransformations(std::string name);
00051   SpectralTransformations(const SpectralTransformations& a);
00052   ~SpectralTransformations();
00053   MarSystem* clone() const;
00054   void phaseRandomize(realvec& in, realvec& out);
00055   void singlebin(realvec& in, realvec& out);
00056   void three_peaks(realvec& in, realvec& out);
00057   void compress_magnitude(realvec& in, realvec& out);
00058 
00059   void myProcess(realvec& in, realvec& out);
00060 };
00061 
00062 }
00063 
00064 #endif