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 #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