annotate FIRFilter.h @ 8:4e429b9f2b4d
* Fixed memory leak bug. Issue with calculating size of spectrogram array.
* Fixed bug in Tempogram::reset() where specData wasn't reinitialised.
| author |
Carl Bussey <c.bussey@se10.qmul.ac.uk> |
| date |
Thu, 07 Aug 2014 17:25:24 +0100 |
| parents |
21147df9cb2d |
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be59b4a73f49 |
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1 //
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2 // FIRFilter.h
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3 // Tempogram
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4 //
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5 // Created by Carl Bussey on 25/06/2014.
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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__FIRFilter__
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10 #define __Tempogram__FIRFilter__
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11
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12 #include <cmath>
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13 #include <vamp-sdk/FFT.h>
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14 #include <assert.h>
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15 #include <iostream>
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16
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17 class FIRFilter{
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18 public:
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19 FIRFilter(const unsigned int lengthInput, const unsigned int numberOfCoefficients);
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20 ~FIRFilter();
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21 void process(const float *input, const float *coefficients, float *output);
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22 private:
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23 unsigned int m_lengthInput;
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24 unsigned int m_numberOfCoefficients;
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25 unsigned int m_lengthFIRFFT;
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26
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27 double *fftInput;
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28 double *fftCoefficients;
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29 double *fftReal1;
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30 double *fftImag1;
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31 double *fftReal2;
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32 double *fftImag2;
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33 double *fftFilteredReal;
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34 double *fftFilteredImag;
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35 double *fftOutputReal;
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36 double *fftOutputImag;
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37
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38 void initialise();
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39 void cleanup();
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40 };
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41
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42 #endif /* defined(__Tempogram__FIRFilter__) */
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