ref: 8fe9c106e1874e663091dd28e88dd2082db56217
dir: /src/onset/peakpick.h/
/*
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.
*/
/** \file
* peak picking utilities function
*
* \todo check/fix peak picking
*/
#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);
/** 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(smpl_t threshold);
/** real time peak picking function */
smpl_t aubio_peakpicker_do(aubio_peakpicker_t * p, fvec_t * DF);
/** 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 */
void 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 */
void 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 */