annotate Spectrogram.h @ 7:21147df9cb2d
* Error when deleting Spectrogram object in Tempogram::getRemainingFeatures().
* Moved Spectrogram computation into own class.
| author |
Carl Bussey <c.bussey@se10.qmul.ac.uk> |
| date |
Thu, 07 Aug 2014 16:21:21 +0100 |
| parents |
|
| children |
be59b4a73f49 |
| rev |
line source |
|
c@7
|
1 //
|
|
c@7
|
2 // Spectrogram.h
|
|
c@7
|
3 // Tempogram
|
|
c@7
|
4 //
|
|
c@7
|
5 // Created by Carl Bussey on 07/08/2014.
|
|
c@7
|
6 // Copyright (c) 2014 Carl Bussey. All rights reserved.
|
|
c@7
|
7 //
|
|
c@7
|
8
|
|
c@7
|
9 #ifndef __Tempogram__Spectrogram__
|
|
c@7
|
10 #define __Tempogram__Spectrogram__
|
|
c@7
|
11 #include <vector>
|
|
c@7
|
12 #include <vamp-sdk/FFT.h>
|
|
c@7
|
13 #include <cmath>
|
|
c@7
|
14
|
|
c@7
|
15 class Spectrogram{
|
|
c@7
|
16 int m_inputLength;
|
|
c@7
|
17 int m_fftLength;
|
|
c@7
|
18 int m_hopSize;
|
|
c@7
|
19 int m_numberOfOutputBins;
|
|
c@7
|
20 double * fftInput;
|
|
c@7
|
21 double * fftOutputReal;
|
|
c@7
|
22 double * fftOutputImag;
|
|
c@7
|
23 std::vector< std::vector <float> > spectrogramOutput;
|
|
c@7
|
24
|
|
c@7
|
25 void initialise();
|
|
c@7
|
26 void cleanup();
|
|
c@7
|
27 public:
|
|
c@7
|
28 std::vector< std::vector<float> > audioToMagnitudeSpectrogram(const float * const input, const float * window);
|
|
c@7
|
29 Spectrogram(unsigned int inputLength, unsigned int fftLength, unsigned int hopSize);
|
|
c@7
|
30 ~Spectrogram();
|
|
c@7
|
31 };
|
|
c@7
|
32
|
|
c@7
|
33 #endif /* defined(__Tempogram__Spectrogram__) */
|
