ref: a7880d9a7d53610ea440ab70166ec0d40c27415a
dir: /src/beattracking.h/
/*
Copyright (C) 2003 Matthew Davies and 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 BEATTRACKING_H
#define BEATTRACKING_H
#ifdef __cplusplus
extern "C" {
#endif
/**
* beat tracking object
*/
typedef struct _aubio_beattracking_t aubio_beattracking_t;
/**
* create beat tracking object
* \param winlen: frame size [512]
* \param channels number (not functionnal) [1] */
aubio_beattracking_t * new_aubio_beattracking(uint_t winlen, uint_t channels);
/** track the beat
* \param bt beat tracking object
* \param dfframes current input detection function frame. already smoothed by
* adaptive median threshold.
* \param out stored tactus candidate positions
*/
void aubio_beattracking_do(aubio_beattracking_t * bt, fvec_t * dfframes, fvec_t * out);
/**
* delete beat tracker object
* \param p beat tracking object
*/
void del_aubio_beattracking(aubio_beattracking_t * p);
#ifdef __cplusplus
}
#endif
#endif /* BEATTRACKING_H */