Marsyas  0.5.0-beta1
/Users/jleben/code/marsyas/src/marsyas/marsystems/PeakConvert2.h
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00001 /*
00002 ** Copyright (C) 1998-2005 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_PECONVERT2_H
00020 #define MARSYAS_PECONVERT2_H
00021 
00022 #include <marsyas/system/MarSystem.h>
00023 
00024 namespace Marsyas
00025 {
00032 class Peaker;
00033 class MaxArgMax;
00034 class SimulMaskingFft;
00035 
00036 class PeakConvert2: public MarSystem
00037 {
00038 private:
00039   realvec lastphase_;
00040   realvec phase_;
00041   realvec mag_;
00042   realvec peaks_;
00043   realvec tmp_;
00044   realvec magCorr_;
00045   realvec frequency_;
00046   realvec lastmag_;
00047   realvec lastfrequency_;
00048   realvec deltamag_;
00049   realvec deltafrequency_;
00050   realvec masked_,
00051           lpPeakerRes_,
00052           tmpBuff_,
00053           peakProb_,
00054           peakProbWeight_;
00055 
00056   mrs_real lpCoeff_;
00057   mrs_natural N_;
00058   mrs_real fundamental_;
00059   mrs_real factor_;
00060   mrs_natural   hopSize_,
00061               instFreqHopSize_;
00062   mrs_natural downFrequency_;
00063   mrs_natural upFrequency_;
00064   mrs_natural nbParameters_;
00065   mrs_natural nbPeaks_;
00066   mrs_natural frameMaxNumPeaks_;
00067   mrs_natural size_;
00068   mrs_natural psize_;
00069   mrs_natural skip_;
00070   bool pick_;
00071   bool prec_;
00072 
00073   mrs_natural frame_;
00074 
00075   bool useStereoSpectrum_;
00076 
00077   Peaker* peaker_;
00078   MaxArgMax* max_;
00079   SimulMaskingFft *masking_;
00080 
00081   MarControlPtr ctrl_totalNumPeaks_;
00082   MarControlPtr ctrl_frameMaxNumPeaks_;
00083 
00084   void addControls();
00085   void myUpdate(MarControlPtr sender);
00086 
00087   mrs_real lobe_value_compute(mrs_real f, mrs_natural type, mrs_natural size);
00088   //void getBinInterval(realvec& interval, realvec& index, realvec& mag);
00089   void getShortBinInterval(realvec& interval, realvec& index, realvec& mag);
00090   void getLargeBinInterval(realvec& interval, realvec& index, realvec& mag);
00091 
00092   void ComputeMasking (realvec& in);
00093   void ComputeMagnitudeAndPhase (realvec in);
00094   void ComputePeaker (realvec in, realvec& out);
00095 
00096 
00097   static mrs_real GaussianPdf (mrs_real x, mrs_real std = 1);
00098 
00099 public:
00100   PeakConvert2(std::string name);
00101   PeakConvert2(const PeakConvert2& a);
00102   ~PeakConvert2();
00103   MarSystem* clone() const;
00104 
00105   void myProcess(realvec& in, realvec& out);
00106 };
00107 
00108 }//namespace Marsyas
00109 
00110 #endif
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