65 lines
1.6 KiB
C
65 lines
1.6 KiB
C
/*
|
|
Copyright (C) 2003-2015 Paul Brossier <piem@aubio.org>
|
|
|
|
This file is part of aubio.
|
|
|
|
aubio is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
aubio is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with aubio. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
*/
|
|
|
|
#ifndef AUBIO_RESAMPLER_H
|
|
#define AUBIO_RESAMPLER_H
|
|
|
|
/** \file
|
|
|
|
Resampling object
|
|
|
|
This object resamples an input vector into an output vector using
|
|
libsamplerate. See http://www.mega-nerd.com/SRC/
|
|
|
|
*/
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/** resampler object */
|
|
typedef struct _aubio_resampler_t aubio_resampler_t;
|
|
|
|
/** create resampler object
|
|
|
|
\param ratio output_sample_rate / input_sample_rate
|
|
\param type libsamplerate resampling type, see http://www.mega-nerd.com/SRC/api_misc.html#Converters
|
|
|
|
*/
|
|
aubio_resampler_t *new_aubio_resampler (smpl_t ratio, uint_t type);
|
|
|
|
/** delete resampler object */
|
|
void del_aubio_resampler (aubio_resampler_t * s);
|
|
|
|
/** resample input in output
|
|
|
|
\param s resampler object
|
|
\param input input buffer of size N
|
|
\param output output buffer of size N*ratio
|
|
|
|
*/
|
|
void aubio_resampler_do (aubio_resampler_t * s, const fvec_t * input,
|
|
fvec_t * output);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* AUBIO_RESAMPLER_H */
|