Marsyas  0.6.0-alpha
/usr/src/RPM/BUILD/marsyas-0.6.0/src/marsyas/marsystems/CrossCorrelation.h
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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 #ifndef MARSYAS_CROSSCORRELATION_H
00020 #define MARSYAS_CROSSCORRELATION_H
00021 
00022 #include <marsyas/system/MarSystem.h>
00023 #include <marsyas/fft.h>
00024 
00025 namespace Marsyas
00026 {
00047 class CrossCorrelation: public MarSystem
00048 {
00049 private:
00050   fft *myfft_;
00051   realvec scratch_;
00052   realvec scratch1_;
00053   realvec scratch2_;
00054   realvec sub_scratch1_;
00055   realvec sub_scratch2_;
00056   mrs_string mode_;
00057   MarControlPtr ctrl_mode_;
00058   virtual void addControls();
00059   void myUpdate(MarControlPtr sender);
00060 
00061 public:
00062   CrossCorrelation(std::string name);
00063   ~CrossCorrelation();
00064   CrossCorrelation(const CrossCorrelation& a);
00065 
00066   MarSystem* clone() const;
00067 
00068   void myProcess(realvec& in, realvec& out);
00069 };
00070 
00071 }//namespace Marsyas
00072 
00073 #endif
00074 
00075 
00076