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_TimeFreqPeakConnectivity_H 00020 #define MARSYAS_TimeFreqPeakConnectivity_H 00021 00022 #include <marsyas/system/MarSystem.h> 00023 00024 class DoubleListEntries; 00025 00026 namespace Marsyas 00027 { 00044 class marsyas_EXPORT TimeFreqPeakConnectivity: public MarSystem 00045 { 00046 private: 00047 00049 void addControls(); 00050 00052 void myUpdate(MarControlPtr sender); 00053 00054 // don't change the order! 00055 enum Direction_t 00056 { 00057 kFromDown, 00058 kFromLeft, 00059 kFromUp, 00060 00061 kNumDirections 00062 }; 00063 00064 static inline mrs_real dtwFindMin (mrs_real *prevCost, unsigned char &tbIdx) 00065 { 00066 mrs_real min = 1e30; 00067 tbIdx = kFromLeft; 00068 00069 for (unsigned char i = 0; i < kNumDirections; i++) 00070 { 00071 if (prevCost[i] <= min) 00072 { 00073 min = prevCost[i]; 00074 tbIdx = i; 00075 } 00076 } 00077 return min; 00078 }; 00079 00080 void AllocMemory (mrs_natural numSamples); 00081 void FreeMemory (); 00082 00083 void SetOutput(mrs_realvec &out, const mrs_real cost, mrs_natural idxRowA, mrs_natural idxColA, mrs_natural idxRowB, mrs_natural idxColB); 00084 mrs_natural Freq2RowIdx (mrs_real barkFreq, mrs_real bres); 00085 void CalcDp (mrs_realvec &Matrix, mrs_natural startr, mrs_natural startc, mrs_natural stopr, mrs_natural stopc); 00086 void InitMatrix (mrs_realvec &Matrix, unsigned char **traceback, mrs_natural rowIdx, mrs_natural colIdx); 00087 MarControlPtr ctrl_reso_; 00088 mrs_realvec peakMatrix_, 00089 costMatrix_; 00090 mrs_real downFreq_, 00091 upFreq_; 00092 mrs_natural numBands_, 00093 textWinSize_; 00094 mrs_natural *path_, 00095 **peakIndices_; 00096 unsigned char** tracebackIdx_; 00097 DoubleListEntries *multipleIndices; 00098 00099 public: 00101 TimeFreqPeakConnectivity(std::string name); 00102 00104 TimeFreqPeakConnectivity(const TimeFreqPeakConnectivity& a); 00105 00107 ~TimeFreqPeakConnectivity(); 00108 00110 MarSystem* clone() const; 00111 00113 void myProcess(realvec& in, realvec& out); 00114 }; 00115 00116 } 00117 //namespace Marsyas 00118 00119 #endif 00120 //MARSYAS_TimeFreqPeakConnectivity_H 00121