source: src/utils/hist.h @ 9ef3c6e

feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/pydocstringsfeature/timestretchfix/ffmpeg5
Last change on this file since 9ef3c6e was 6f42c16, checked in by Paul Brossier <piem@piem.org>, 9 years ago

src/: change c header identifiers (see #35)

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File size: 1.7 KB
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[96fb8ad]1/*
[b235c0e]2  Copyright (C) 2003-2013 Paul Brossier <piem@aubio.org>
[96fb8ad]3
[e6a78ea]4  This file is part of aubio.
[96fb8ad]5
[e6a78ea]6  aubio is free software: you can redistribute it and/or modify
7  it under the terms of the GNU General Public License as published by
8  the Free Software Foundation, either version 3 of the License, or
9  (at your option) any later version.
[2d60be3]10
[e6a78ea]11  aubio is distributed in the hope that it will be useful,
12  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  GNU General Public License for more details.
15
16  You should have received a copy of the GNU General Public License
17  along with aubio.  If not, see <http://www.gnu.org/licenses/>.
[96fb8ad]18
[3c707f7]19*/
[96fb8ad]20
21/** @file
22 *
23 * Histogram function
24 *
25 * Big hacks to implement an histogram
26 */
27
[6f42c16]28#ifndef AUBIO_HIST_H
29#define AUBIO_HIST_H
[96fb8ad]30
31#ifdef __cplusplus
32extern "C" {
33#endif
34
35/** histogram object */
36typedef struct _aubio_hist_t aubio_hist_t;
37
[3c707f7]38/** histogram creation
[32082e5]39
40  \param flow minimum input
41  \param fhig maximum input
42  \param nelems number of histogram columns
43
44*/
[fc61225]45aubio_hist_t * new_aubio_hist(smpl_t flow, smpl_t fhig, uint_t nelems);
[96fb8ad]46/** histogram deletion */
47void del_aubio_hist(aubio_hist_t *s);
[d88ea06]48/** compute the histogram */
[96fb8ad]49void aubio_hist_do(aubio_hist_t *s, fvec_t * input);
[d88ea06]50/** compute the histogram ignoring null elements */
[96fb8ad]51void aubio_hist_do_notnull(aubio_hist_t *s, fvec_t * input);
[d88ea06]52/** compute the mean of the histogram */
[55d1fa4]53smpl_t aubio_hist_mean(const aubio_hist_t *s);
[d88ea06]54/** weight the histogram */
[3c707f7]55void aubio_hist_weight(aubio_hist_t *s);
[d88ea06]56/** compute dynamic histogram for non-null elements */
[96fb8ad]57void aubio_hist_dyn_notnull (aubio_hist_t *s, fvec_t *input);
58
59#ifdef __cplusplus
60}
61#endif
62
[6f42c16]63#endif /* AUBIO_HIST_H */
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