ref: 20d8266e4b5ff10f33b90e485e1f2d0ed48b8c5a
dir: /src/onset/peakpick.h/
/*
Copyright (C) 2003-2009 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/>.
*/
/** \file
Peak picking utilities function
*/
#ifndef PEAKPICK_H
#define PEAKPICK_H
#ifdef __cplusplus
extern "C" {
#endif
/** function pointer to thresholding function */
typedef smpl_t (*aubio_thresholdfn_t)(fvec_t *input, uint_t channel);
/** function pointer to peak-picking function */
typedef uint_t (*aubio_pickerfn_t)(fvec_t *input, uint_t pos);
/** peak-picker structure */
typedef struct _aubio_peakpicker_t aubio_peakpicker_t;
/** peak-picker creation function */
aubio_peakpicker_t * new_aubio_peakpicker(uint_t channels);
/** real time peak picking function */
void aubio_peakpicker_do(aubio_peakpicker_t * p, fvec_t * in, fvec_t * out);
/** get current peak value */
smpl_t aubio_peakpicker_get_thresholded_input(aubio_peakpicker_t * p);
/** destroy peak picker structure */
void del_aubio_peakpicker(aubio_peakpicker_t * p);
/** set peak picking threshold */
uint_t aubio_peakpicker_set_threshold(aubio_peakpicker_t * p, smpl_t threshold);
/** get peak picking threshold */
smpl_t aubio_peakpicker_get_threshold(aubio_peakpicker_t * p);
/** set peak picker thresholding function */
uint_t aubio_peakpicker_set_thresholdfn(aubio_peakpicker_t * p, aubio_thresholdfn_t thresholdfn);
/** get peak picker thresholding function */
aubio_thresholdfn_t aubio_peakpicker_get_thresholdfn(aubio_peakpicker_t * p);
#ifdef __cplusplus
}
#endif
#endif /* PEAKPICK_H */