source: src/temporal/resampler.h @ ab7d100

feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/pydocstringsfeature/timestretchfix/ffmpeg5pitchshiftsamplertimestretchyinfft+
Last change on this file since ab7d100 was c43c459, checked in by Paul Brossier <piem@piem.org>, 12 years ago

src/temporal/resampler.h: improve doc

  • 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#ifdef __cplusplus
34extern "C" {
35#endif
36
37/** resampler object */
38typedef struct _aubio_resampler_t aubio_resampler_t;
39
40/** create resampler object
41
42  \param ratio output_sample_rate / input_sample_rate
43  \param type libsamplerate resampling type, see http://www.mega-nerd.com/SRC/api_misc.html#Converters
44
45*/
46aubio_resampler_t *new_aubio_resampler (smpl_t ratio, uint_t type);
47
48/** delete resampler object */
49void del_aubio_resampler (aubio_resampler_t * s);
50
51/** resample input in output
52
53  \param s resampler object
54  \param input input buffer of size N
55  \param output output buffer of size N*ratio
56
57*/
58void aubio_resampler_do (aubio_resampler_t * s, fvec_t * input,
59    fvec_t * output);
60
61#ifdef __cplusplus
62}
63#endif
64
65#endif /* _RESAMPLE_H */
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