Marsyas  0.6.0-alpha
/usr/src/RPM/BUILD/marsyas-0.6.0/src/marsyas/marsystems/HarmonicStrength.h
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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 #ifndef MARSYAS_HARMONICSTRENGTH_H
00020 #define MARSYAS_HARMONICSTRENGTH_H
00021 
00022 #include <marsyas/system/MarSystem.h>
00023 
00024 namespace Marsyas
00025 {
00049 class marsyas_EXPORT HarmonicStrength: public MarSystem
00050 {
00051 private:
00052 
00054   void addControls();
00055 
00057   void myUpdate(MarControlPtr sender);
00058 
00059 
00060   MarControlPtr ctrl_base_frequency_;
00061   MarControlPtr ctrl_harmonics_;
00062   MarControlPtr ctrl_harmonicsSize_;
00063   MarControlPtr ctrl_harmonicsWidth_;
00064   MarControlPtr ctrl_inharmonicity_B_;
00065 
00066   mrs_real find_peak_magnitude(mrs_real central_bin,
00067                                mrs_realvec& in, mrs_natural t,
00068                                mrs_real low, mrs_real high);
00069   mrs_real quadratic_interpolation(mrs_real best_bin,
00070                                    mrs_realvec& in, mrs_natural t);
00071 
00072 public:
00074   HarmonicStrength(std::string name);
00075 
00077   HarmonicStrength(const HarmonicStrength& a);
00078 
00080   ~HarmonicStrength();
00081 
00083   MarSystem* clone() const;
00084 
00086   void myProcess(realvec& in, realvec& out);
00087 };
00088 
00089 }
00090 //namespace Marsyas
00091 
00092 #endif
00093 //MARSYAS_HARMONICSTRENGTH_H
00094