Marsyas  0.6.0-alpha
/usr/src/RPM/BUILD/marsyas-0.6.0/src/marsyas/marsystems/AutoCorrelation.h
Go to the documentation of this file.
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 #ifndef MARSYAS_AUTOCORRELATION_H
00020 #define MARSYAS_AUTOCORRELATION_H
00021 
00022 #include <marsyas/system/MarSystem.h>
00023 #include <marsyas/fft.h>
00024 
00025 namespace Marsyas
00026 {
00049 class AutoCorrelation: public MarSystem
00050 {
00051 private:
00052   fft *myfft_;
00053   realvec scratch_;
00054 
00055   realvec norm_;
00056   mrs_natural normalize_;
00057   mrs_real octaveCost_;
00058   mrs_real octaveMax_;
00059   mrs_real voicing_;
00060   mrs_natural fftSize_;
00061   mrs_real re_,im_,am_, k_;
00062   mrs_natural lowSamples_;
00063   mrs_natural numSamples_;
00064 
00065   MarControlPtr ctrl_magcompress_;
00066   MarControlPtr ctrl_normalize_;
00067   MarControlPtr ctrl_octaveCost_;
00068   MarControlPtr ctrl_voicingThreshold_;
00069   MarControlPtr ctrl_aliasedOutput_;
00070   MarControlPtr ctrl_makePositive_;
00071   MarControlPtr ctrl_setr0to1_;
00072   MarControlPtr ctrl_setr0to0_;
00073   MarControlPtr ctrl_lowCutoff_;
00074   MarControlPtr ctrl_highCutoff_;
00075 
00076 
00077   virtual void addControls();
00078   void myUpdate(MarControlPtr sender);
00079 
00080 public:
00081   AutoCorrelation(std::string name);
00082   ~AutoCorrelation();
00083   AutoCorrelation(const AutoCorrelation& a);
00084 
00085   MarSystem* clone() const;
00086 
00087   void myProcess(realvec& in, realvec& out);
00088 };
00089 
00090 }//namespace Marsyas
00091 
00092 #endif
00093 
00094