annotate SpectrogramProcessor.h @ 31:f795b84c1ff2
This include change seems necessary for my compiler
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Chris Cannam |
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Thu, 04 Sep 2014 10:08:09 +0100 |
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fe23998968b4 |
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1 //
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2 // SpectrogramProcessor.h
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3 // Tempogram
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4 //
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5 // Created by Carl Bussey on 07/08/2014.
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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 #ifndef __Tempogram__Spectrogram__
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10 #define __Tempogram__Spectrogram__
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11 #include <vector>
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12 #include <vamp-sdk/FFT.h>
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13 #include <cmath>
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14 #include <cstddef>
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15
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16 typedef std::vector <std::vector<float> > Spectrogram;
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17 typedef std::vector <std::vector<float> > SpectrogramTransposed;
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18
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19 class SpectrogramProcessor{
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20 size_t m_windowLength;
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21 size_t m_fftLength;
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22 size_t m_hopSize;
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23 size_t m_numberOfOutputBins;
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24 double * m_pFftInput;
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25 double * m_pFftOutputReal;
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26 double * m_pFftOutputImag;
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27
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28 void initialise();
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29 void cleanup();
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30 public:
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31 SpectrogramProcessor(const size_t &windowLength, const size_t &fftLength, const size_t &hopSize);
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32 ~SpectrogramProcessor();
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33
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34 Spectrogram process(const float * const pInput, const size_t &inputLength, const float * pWindow) const;
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35 static SpectrogramTransposed transpose(const Spectrogram &spectrogram);
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36 static float calculateMax(const Spectrogram &spectrogram);
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37 };
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38
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39 #endif /* defined(__Tempogram__Spectrogram__) */
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