2 Copyright (C) 2003-2015 Paul Brossier <piem@aubio.org>
4 This file is part of aubio.
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.
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.
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/>.
21 #ifndef AUBIO_RESAMPLER_H
22 #define AUBIO_RESAMPLER_H
28 This object resamples an input vector into an output vector using
29 libsamplerate. See http://www.mega-nerd.com/SRC/
37 /** resampler object */
38 typedef struct _aubio_resampler_t aubio_resampler_t;
40 /** create resampler object
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
46 aubio_resampler_t *new_aubio_resampler (smpl_t ratio, uint_t type);
48 /** delete resampler object */
49 void del_aubio_resampler (aubio_resampler_t * s);
51 /** resample input in output
53 \param s resampler object
54 \param input input buffer of size N
55 \param output output buffer of size N*ratio
58 void aubio_resampler_do (aubio_resampler_t * s, const fvec_t * input,
65 #endif /* AUBIO_RESAMPLER_H */