source: src/temporal/resampler.h @ 6a2478c

feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/pydocstringsfeature/timestretchfix/ffmpeg5pitchshiftsamplertimestretchyinfft+
Last change on this file since 6a2478c was e6a78ea, checked in by Paul Brossier <piem@piem.org>, 15 years ago

src: update all headers to GPLv3

  • Property mode set to 100644
File size: 1.6 KB
Line 
1/*
2  Copyright (C) 2003-2009 Paul Brossier <piem@aubio.org>
3
4  This file is part of aubio.
5
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.
10
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/>.
18
19*/
20
21#ifndef _RESAMPLE_H
22#define _RESAMPLE_H
23
24/** \file
25 
26 Resampling object
27
28 This object resamples an input vector into an output vector using
29 libsamplerate. See http://www.mega-nerd.com/SRC/
30 
31*/
32
33#if HAVE_SAMPLERATE
34
35#ifdef __cplusplus
36extern "C" {
37#endif
38
39/** resampler object */
40typedef struct _aubio_resampler_t aubio_resampler_t;
41
42/** create resampler object
43
44  \param ratio output_sample_rate / input_sample_rate
45  \param type libsamplerate resampling type
46
47*/
48aubio_resampler_t * new_aubio_resampler(smpl_t ratio, uint_t type);
49
50/** delete resampler object */
51void del_aubio_resampler(aubio_resampler_t *s);
52
53/** resample input in output
54
55  \param s resampler object
56  \param input input buffer of size N
57  \param output output buffer of size N*ratio
58
59*/
60void aubio_resampler_do (aubio_resampler_t *s, fvec_t * input,  fvec_t * output);
61
62#ifdef __cplusplus
63}
64#endif
65
66#endif /* HAVE_SAMPLERATE */
67
68#endif /* _RESAMPLE_H */
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