source: src/utils/hist.h @ 93177fa

feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/pydocstringsfeature/timestretchfix/ffmpeg5pitchshiftsamplertimestretchyinfft+
Last change on this file since 93177fa was 32d6958, checked in by Paul Brossier <piem@piem.org>, 17 years ago

src/: more moving and splitting

  • Property mode set to 100644
File size: 1.7 KB
Line 
1/*
2   Copyright (C) 2003 Paul Brossier
3
4   This program is free software; you can redistribute it and/or modify
5   it under the terms of the GNU General Public License as published by
6   the Free Software Foundation; either version 2 of the License, or
7   (at your option) any later version.
8
9   This program is distributed in the hope that it will be useful,
10   but WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12   GNU General Public License for more details.
13
14   You should have received a copy of the GNU General Public License
15   along with this program; if not, write to the Free Software
16   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
17
18*/
19
20/** @file
21 *
22 * Histogram function
23 *
24 * Big hacks to implement an histogram
25 */
26
27#ifndef HIST_H
28#define HIST_H
29
30#ifdef __cplusplus
31extern "C" {
32#endif
33
34/** histogram object */
35typedef struct _aubio_hist_t aubio_hist_t;
36
37/** histogram creation
38 * \param flow minimum input
39 * \param fhig maximum input
40 * \param nelems number of histogram columns
41 * \param channels number of channels
42 */
43aubio_hist_t * new_aubio_hist(smpl_t flow, smpl_t fhig, uint_t nelems, uint_t channels);
44/** histogram deletion */
45void del_aubio_hist(aubio_hist_t *s);
46/** compute the histogram */
47void aubio_hist_do(aubio_hist_t *s, fvec_t * input);
48/** compute the histogram ignoring null elements */
49void aubio_hist_do_notnull(aubio_hist_t *s, fvec_t * input);
50/** compute the mean of the histogram */
51smpl_t aubio_hist_mean(aubio_hist_t *s);
52/** weight the histogram */
53void aubio_hist_weight(aubio_hist_t *s);
54/** compute dynamic histogram for non-null elements */
55void aubio_hist_dyn_notnull (aubio_hist_t *s, fvec_t *input);
56
57#ifdef __cplusplus
58}
59#endif
60
61#endif
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