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/* Rhythm estimation in real time
Copyright (C) 2000 Jarno Seppänen and Piotr Majdak
$Id: rhythm_slave_metro.h,v 1.1 2002-11-19 11:39:55 ggeiger Exp $
This file is part of rhythm_estimator.
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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#ifndef __RHYTHM_SLAVE_METRO_H__
#define __RHYTHM_SLAVE_METRO_H__
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/* Parameter default values */
#define RHYTHM_SLAVE_METRO_DEFAULT_PHASE_ADAP_SPEED 0.1
#define RHYTHM_SLAVE_METRO_PHASE_ADAP_SPEED_MIN 0
#define RHYTHM_SLAVE_METRO_PHASE_ADAP_SPEED_MAX 1
typedef struct
{
/* --- Public data --- */
/* User-changeable parameters: */
float phase_adap_speed;
float ioi_resolution;
/* --- Private data --- */
double last_bang_time; /* [ms] */
double period; /* quantum [ms] */
double dev_mean_sum_re; /* circular mean - real part [ms] */
double dev_mean_sum_im; /* circular mean - imaginary part [ms] */
double dev_mean_count;
double dev_syst; /* systematic deviation (lpf) */
double dev_syst_limit; /* syst. deviation limit */
} Rhythm_Slave_Metro;
Rhythm_Slave_Metro* rhythm_slave_metro_new (void);
void rhythm_slave_metro_delete (Rhythm_Slave_Metro* rhythm_slave_metro);
void rhythm_slave_metro_initialize (Rhythm_Slave_Metro* rhythm_slave_metro);
void rhythm_slave_metro_finish (Rhythm_Slave_Metro* rhythm_slave_metro);
void rhythm_slave_metro_set_period (Rhythm_Slave_Metro* rhythm_slave_metro,
double period);
double rhythm_slave_metro_get_period (Rhythm_Slave_Metro* rhythm_slave_metro);
double rhythm_slave_metro_onset_event (Rhythm_Slave_Metro* rhythm_slave_metro,
double time);
double rhythm_slave_metro_periodic_event (Rhythm_Slave_Metro* rhythm_slave_metro,
double time);
float rhythm_slave_metro_get_phase_adap_speed (Rhythm_Slave_Metro* rhythm_slave_metro);
void rhythm_slave_metro_set_phase_adap_speed (Rhythm_Slave_Metro* rhythm_slave_metro, float v);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __RHYTHM_SLAVE_METRO_H__ */
/* EOF */
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