source: src/resample.h @ 27f2c08

/*
         Copyright (C) 2003 Paul Brossier

         This program 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 2 of the License, or
         (at your option) any later version.

         This program 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 this program; if not, write to the Free Software
         Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
         
*/

#ifndef _RESAMPLE_H
#define _RESAMPLE_H

/** @file
 * Libsamplerate resampling
 */

#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
 */
aubio_resampler_t * new_aubio_resampler(float 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
 */
uint_t aubio_resampler_process(aubio_resampler_t *s, fvec_t * input,  fvec_t * output);

#ifdef __cplusplus
}
#endif

#endif /* _RESAMPLE_H */