annotate NoveltyCurve.h @ 11:09fb76606b2b
* Removed many unnecessary heap allocations with objects
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Carl Bussey <c.bussey@se10.qmul.ac.uk> |
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Wed, 13 Aug 2014 10:45:46 +0100 |
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1 //
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2 // NoveltyCurve.h
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3 // Tempogram
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4 //
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5 // Created by Carl Bussey on 10/07/2014.
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6 // Copyright (c) 2014 Carl Bussey. All rights reserved.
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7 //
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8
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9 // Don't new delete objects
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10
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11 #ifndef __Tempogram__NoveltyCurve__
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12 #define __Tempogram__NoveltyCurve__
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13
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14 #include <iostream>
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15 #include <cmath>
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16 #include <vector>
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17 #include <iostream>
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18 #include "FIRFilter.h"
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19 #include "WindowFunction.h"
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20 #include <cassert>
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21
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22 class NoveltyCurve{
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23 float m_samplingFrequency;
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24 int m_fftLength;
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25 int m_blockSize;
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26 int m_numberOfBlocks;
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27 int m_compressionConstant;
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28 int m_numberOfBands;
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29 int * m_bandBoundaries;
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30 int m_hannLength;
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31 float * m_bandSum;
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32 std::vector<float> data;
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33
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34 void initialise();
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35 void cleanup();
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36 float calculateMax(std::vector< std::vector<float> > &spectrogram);
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37 void subtractLocalAverage(std::vector<float> &noveltyCurve);
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38 void smoothedDifferentiator(std::vector< std::vector<float> > &spectrogram, int smoothLength);
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39 void halfWaveRectify(std::vector< std::vector<float> > &spectrogram);
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40
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41 public:
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42
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43 NoveltyCurve(float samplingFrequency, int fftLength, int numberOfBlocks, int compressionConstant);
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44 ~NoveltyCurve();
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45 std::vector<float> spectrogramToNoveltyCurve(std::vector< std::vector<float> > spectrogram);
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46 };
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47
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48 #endif /* defined(__Tempogram__NoveltyCurve__) */
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