|
c@225
|
1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
|
|
c@225
|
2
|
|
c@225
|
3 /*
|
|
c@225
|
4 QM DSP Library
|
|
c@225
|
5
|
|
c@225
|
6 Centre for Digital Music, Queen Mary, University of London.
|
|
c@309
|
7 This file 2005-2006 Christian Landone.
|
|
c@309
|
8
|
|
mathieu@321
|
9 Modifications:
|
|
mathieu@321
|
10
|
|
mathieu@321
|
11 - delta threshold
|
|
mathieu@321
|
12 Description: add delta threshold used as offset in the smoothed
|
|
mathieu@321
|
13 detection function
|
|
mathieu@321
|
14 Author: Mathieu Barthet
|
|
mathieu@321
|
15 Date: June 2010
|
|
mathieu@321
|
16
|
|
c@309
|
17 This program is free software; you can redistribute it and/or
|
|
c@309
|
18 modify it under the terms of the GNU General Public License as
|
|
c@309
|
19 published by the Free Software Foundation; either version 2 of the
|
|
c@309
|
20 License, or (at your option) any later version. See the file
|
|
c@309
|
21 COPYING included with this distribution for more information.
|
|
c@225
|
22 */
|
|
c@225
|
23
|
|
c@225
|
24 #ifndef CDFPROCESS_H
|
|
c@225
|
25 #define CDFPROCESS_H
|
|
c@225
|
26
|
|
c@225
|
27 #include <stdio.h>
|
|
c@225
|
28 #include "FiltFilt.h"
|
|
c@225
|
29
|
|
c@225
|
30 struct DFProcConfig{
|
|
c@225
|
31 unsigned int length;
|
|
c@225
|
32 unsigned int LPOrd;
|
|
c@225
|
33 double *LPACoeffs;
|
|
c@225
|
34 double *LPBCoeffs;
|
|
c@225
|
35 unsigned int winPre;
|
|
c@225
|
36 unsigned int winPost;
|
|
c@225
|
37 double AlphaNormParam;
|
|
c@237
|
38 bool isMedianPositive;
|
|
c@410
|
39 float delta; //delta threshold used as an offset when computing the smoothed detection function
|
|
c@410
|
40
|
|
c@410
|
41 DFProcConfig() :
|
|
c@410
|
42 length(0),
|
|
c@410
|
43 LPOrd(0),
|
|
c@410
|
44 LPACoeffs(NULL),
|
|
c@410
|
45 LPBCoeffs(NULL),
|
|
c@410
|
46 winPre(0),
|
|
c@410
|
47 winPost(0),
|
|
c@410
|
48 AlphaNormParam(0),
|
|
c@410
|
49 isMedianPositive(false),
|
|
c@410
|
50 delta(0)
|
|
c@410
|
51 {
|
|
c@410
|
52 }
|
|
c@237
|
53 };
|
|
c@225
|
54
|
|
c@225
|
55 class DFProcess
|
|
c@225
|
56 {
|
|
c@225
|
57 public:
|
|
c@225
|
58 DFProcess( DFProcConfig Config );
|
|
c@225
|
59 virtual ~DFProcess();
|
|
c@225
|
60
|
|
c@225
|
61 void process( double* src, double* dst );
|
|
c@225
|
62
|
|
cannam@483
|
63
|
|
c@225
|
64 private:
|
|
c@225
|
65 void initialise( DFProcConfig Config );
|
|
c@225
|
66 void deInitialise();
|
|
c@225
|
67 void removeDCNormalize( double *src, double*dst );
|
|
c@225
|
68 void medianFilter( double* src, double* dst );
|
|
c@225
|
69
|
|
c@299
|
70 int m_length;
|
|
c@299
|
71 int m_FFOrd;
|
|
c@225
|
72
|
|
c@299
|
73 int m_winPre;
|
|
c@299
|
74 int m_winPost;
|
|
c@225
|
75
|
|
c@225
|
76 double m_alphaNormParam;
|
|
c@225
|
77
|
|
c@225
|
78 double* filtSrc;
|
|
c@225
|
79 double* filtDst;
|
|
c@225
|
80
|
|
c@225
|
81 double* m_filtScratchIn;
|
|
c@225
|
82 double* m_filtScratchOut;
|
|
c@225
|
83
|
|
c@225
|
84 FiltFilt* m_FiltFilt;
|
|
c@225
|
85
|
|
c@225
|
86 bool m_isMedianPositive;
|
|
c@410
|
87 float m_delta; //add delta threshold
|
|
c@225
|
88 };
|
|
c@225
|
89
|
|
c@225
|
90 #endif
|
