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_HWPS_H 00020 #define MARSYAS_HWPS_H 00021 00022 #include <marsyas/system/MarSystem.h> 00023 00024 namespace Marsyas 00025 { 00036 class HWPS: public MarSystem 00037 { 00038 private: 00039 // HWPS feature vector format: 00040 //[peakFreq, frameNumPeaks, pkSetFreq0,...,pkSetFreqN, pkSetAmp0,..., pkSetAmpN]' 00041 //where N+1=maxFrameNumPeaks 00042 enum pkFields { 00043 pkFreqIdx = 0, 00044 frameNumPeaksIdx = 1, 00045 pkSetFeatsIdx = 2 00046 }; 00047 realvec vec_i_; 00048 realvec vec_j_; 00049 00050 mrs_real pk_i_freq_; 00051 mrs_real pk_j_freq_; 00052 00053 mrs_natural i_frameNumPeaks_; 00054 mrs_natural j_frameNumPeaks_; 00055 00056 realvec pkSet_i_Freqs_; 00057 realvec pkSet_j_Freqs_; 00058 00059 realvec pkSet_i_WrapFreqs_; 00060 realvec pkSet_j_WrapFreqs_; 00061 00062 realvec pkSet_i_Amps_; 00063 realvec pkSet_j_Amps_; 00064 00065 realvec histogram_i_; 00066 realvec histogram_j_; 00067 00068 MarControlPtr ctrl_calcDistance_; 00069 MarControlPtr ctrl_histSize_; 00070 mrs_natural histSize_; 00071 00072 void harmonicWrap(mrs_real peak1Freq, mrs_real peak2Freq, 00073 realvec& peak1SetFreqs, realvec& peak2SetFreqs); 00074 void discretize(const realvec& peakSetWarpFreqs, const realvec& peakAmps, 00075 const mrs_natural& histSize, realvec& resultHistogram); 00076 00077 void addControls(); 00078 void myUpdate(MarControlPtr sender); 00079 00080 public: 00081 HWPS(std::string name); 00082 HWPS(const HWPS& a); 00083 ~HWPS(); 00084 MarSystem* clone() const; 00085 00086 void myProcess(realvec& in, realvec& out); 00087 }; 00088 00089 } 00090 00091 #endif 00092 00093 00094