annotate FIRFilter.h @ 47:cb79f27f0748
Clamp cyclic tempogram min and max BPM to the BPM equivalents of the actual underlying min and max tempogram bins, rather than the "input" min and max BPM (fixed root cause of #1054)
| author |
Chris Cannam |
| date |
Mon, 29 Sep 2014 16:20:16 +0100 |
| parents |
4cf2d163127b |
| children |
|
| rev |
line source |
|
Chris@43
|
1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
|
|
Chris@43
|
2
|
|
Chris@43
|
3 /*
|
|
Chris@43
|
4 Vamp Tempogram Plugin
|
|
Chris@43
|
5 Carl Bussey, Centre for Digital Music, Queen Mary University of London
|
|
Chris@43
|
6 Copyright 2014 Queen Mary University of London.
|
|
Chris@43
|
7
|
|
Chris@43
|
8 This program is free software; you can redistribute it and/or
|
|
Chris@43
|
9 modify it under the terms of the GNU General Public License as
|
|
Chris@43
|
10 published by the Free Software Foundation; either version 2 of the
|
|
Chris@43
|
11 License, or (at your option) any later version. See the file
|
|
Chris@43
|
12 COPYING included with this distribution for more information.
|
|
Chris@43
|
13 */
|
|
c@0
|
14
|
|
c@0
|
15 #ifndef __Tempogram__FIRFilter__
|
|
c@0
|
16 #define __Tempogram__FIRFilter__
|
|
c@0
|
17
|
|
c@7
|
18 #include <cmath>
|
|
c@7
|
19 #include <vamp-sdk/FFT.h>
|
|
c@7
|
20 #include <assert.h>
|
|
c@15
|
21 #include <iostream>
|
|
c@7
|
22
|
|
c@0
|
23 class FIRFilter{
|
|
c@0
|
24 public:
|
|
c@15
|
25 enum OutputTypeArgument{
|
|
c@15
|
26 first = 0,
|
|
c@15
|
27 middle,
|
|
c@15
|
28 all
|
|
c@15
|
29 };
|
|
c@15
|
30
|
|
c@13
|
31 FIRFilter(const size_t &lengthInput, const size_t &numberOfCoefficients);
|
|
c@0
|
32 ~FIRFilter();
|
|
c@15
|
33 void process(const float *pInput, const float *pCoefficients, float * pOutput, OutputTypeArgument outputType = first);
|
|
c@0
|
34 private:
|
|
c@13
|
35 size_t m_lengthInput;
|
|
c@13
|
36 size_t m_numberOfCoefficients;
|
|
c@20
|
37 size_t m_lengthFIRFFT;
|
|
c@0
|
38
|
|
c@13
|
39 double *m_pFftInput;
|
|
c@13
|
40 double *m_pFftCoefficients;
|
|
c@13
|
41 double *m_pFftReal1;
|
|
c@13
|
42 double *m_pFftImag1;
|
|
c@13
|
43 double *m_pFftReal2;
|
|
c@13
|
44 double *m_pFftImag2;
|
|
c@13
|
45 double *m_pFftFilteredReal;
|
|
c@13
|
46 double *m_pFftFilteredImag;
|
|
c@13
|
47 double *m_pFftOutputReal;
|
|
c@13
|
48 double *m_pFftOutputImag;
|
|
c@0
|
49
|
|
c@0
|
50 void initialise();
|
|
c@0
|
51 void cleanup();
|
|
c@0
|
52 };
|
|
c@0
|
53
|
|
c@0
|
54 #endif /* defined(__Tempogram__FIRFilter__) */
|
