source: src/temporal/resampler.h @ 59c046d

feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/pydocstringsfeature/timestretchfix/ffmpeg5pitchshiftsamplertimestretchyinfft+
Last change on this file since 59c046d was 67d0a8b, checked in by Paul Brossier <piem@piem.org>, 15 years ago

src/temporal/resampler.h: only defined if HAVE_SAMPLERATE

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