File: lpeq20filter.h

package info (click to toggle)
jnoisemeter 0.2.2-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye, sid
  • size: 204 kB
  • sloc: cpp: 1,132; makefile: 34
file content (48 lines) | stat: -rw-r--r-- 1,272 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
// ----------------------------------------------------------------------------
//
//  Copyright (C) 2010-2018 Fons Adriaensen <fons@linuxaudio.org>
//    
//  This program is free software; you can redistribute it and/or modify
//  it under the terms of the GNU General Public License as published by
//  the Free Software Foundation; either version 2 of the License, or
//  (at your option) any later version.
//
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU General Public License for more details.
//
//  You should have received a copy of the GNU General Public License
//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
//
// ----------------------------------------------------------------------------


#ifndef __LPEQ20FILTER_H
#define __LPEQ20FILTER_H


#include <stdlib.h>


class LPeq20filter
{
public:

    LPeq20filter (void) {}
    ~LPeq20filter (void) {}

    int  init (int fsamp);
    void reset (void);
    void process (size_t n, const float *inp, float *out);

private:

    float _g;
    float _b1, _b2, _b3, _b4;	       
    float _z1, _z2, _z3, _z4;
};

#endif