Zrythm
a highly automated and intuitive digital audio workstation
Loading...
Searching...
No Matches
peak_dsp.h
1
// SPDX-FileCopyrightText: © 2020-2021 Alexandros Theodotou <alex@zrythm.org>
2
// SPDX-License-Identifier: LicenseRef-ZrythmLicense
3
/*
4
* This file incorporates work covered by the following copyright and
5
* permission notice:
6
*
7
* ---
8
*
9
* Copyright (C) 2013 Robin Gareus <robin@gareus.org>
10
*
11
* This program is free software; you can redistribute it and/or modify
12
* it under the terms of the GNU General Public License as published by
13
* the Free Software Foundation; either version 3, or (at your option)
14
* any later version.
15
*
16
* This program is distributed in the hope that it will be useful,
17
* but WITHOUT ANY WARRANTY; without even the implied warranty of
18
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19
* GNU General Public License for more details.
20
*
21
* You should have received a copy of the GNU General Public License
22
* along with this program; if not, write to the Free Software Foundation,
23
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24
*
25
* ---
26
*/
27
28
#ifndef __AUDIO_PEAK_DSP__
29
#define __AUDIO_PEAK_DSP__
30
31
#include <stdbool.h>
32
33
typedef
struct
PeakDsp
34
{
35
float
rms;
// max rms value since last read()
36
float
peak;
// max peak value since last read()
37
int
cnt;
// digital peak hold counter
38
int
fpp;
// frames per period
39
float
fall;
// peak fallback
40
bool
flag;
// flag set by read(), resets _rms
41
42
int
hold;
// peak hold timeoute
43
float
fsamp;
// sample-rate
44
}
PeakDsp
;
45
52
HOT
void
53
peak_dsp_process (
PeakDsp
* self,
float
* p,
int
n);
54
55
float
56
peak_dsp_read_f (
PeakDsp
* self);
57
58
void
59
peak_dsp_read (
PeakDsp
* self,
float
* rms,
float
* peak);
60
61
void
62
peak_dsp_reset (
PeakDsp
* self);
63
67
void
68
peak_dsp_init (
PeakDsp
* self,
float
samplerate);
69
70
MALLOC
71
PeakDsp
*
72
peak_dsp_new (
void
);
73
74
void
75
peak_dsp_free (
PeakDsp
* self);
76
77
#endif
PeakDsp
Definition
peak_dsp.h:34
dsp
peak_dsp.h
Generated by
1.10.0