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/* Rhythm estimation in real time -- PD wrapper
Copyright (C) 2000 Jarno Seppänen and Piotr Majdak
$Id: pd_rhythm_slave_metro.c,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. */
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifndef MAXPDSTRING /* how primitive */
#include "m_pd.h"
#endif /* MAXPDSTRING */
#include "pd_rhythm_estimator.h"
#include "rhythm_estimator.h"
#include "pd_rhythm_slave_metro.h"
#include "rhythm_slave_metro.h"
static t_class* pd_rhythm_slave_metro_class = NULL;
/* We need a reference systime value */
static double pd_rhythm_slave_metro_setup_systime = 0;
void
rhythm_slave_metro_setup (void)
{
pd_rhythm_slave_metro_class = class_new (gensym ("rhythm_slave_metro"),
(t_newmethod)pd_rhythm_slave_metro_new,
(t_method)pd_rhythm_slave_metro_free,
sizeof (pd_t_rhythm_slave_metro),
0,
0);
assert (pd_rhythm_slave_metro_class != NULL);
/* Initialize setup time variable */
pd_rhythm_slave_metro_setup_systime = clock_getsystime ();
/* Set the callback for bang messages in the first inlet */
class_addbang (pd_rhythm_slave_metro_class, pd_rhythm_slave_metro_bang);
/* Set the callback for float messages in the first inlet */
class_addfloat (pd_rhythm_slave_metro_class, pd_rhythm_slave_metro_float);
/* Set the callback for float messages in the second inlet */
class_addmethod (pd_rhythm_slave_metro_class,
(t_method)pd_rhythm_slave_metro_ft1,
gensym ("ft1"),
A_FLOAT, 0);
/* SET-Message */
class_addmethod (pd_rhythm_slave_metro_class,
(t_method)pd_rhythm_slave_metro_set,
gensym("set"),
A_SYMBOL, A_FLOAT, 0);
/* PRINT-Message */
class_addmethod (pd_rhythm_slave_metro_class,
(t_method)pd_rhythm_slave_metro_print,
gensym("print"),
0);
}
static void*
pd_rhythm_slave_metro_new (t_symbol* s)
{
pd_t_rhythm_slave_metro* x = NULL;
/* Allocate object struct */
x = (pd_t_rhythm_slave_metro*)pd_new (pd_rhythm_slave_metro_class);
assert (x != NULL);
/* Construct clock */
x->x_clock = clock_new (x, (t_method)pd_rhythm_slave_metro_tick);
assert (x->x_clock != NULL);
/* Construct rhythm_slave_metro */
x->rhythm_slave_metro = rhythm_slave_metro_new ();
assert (x->rhythm_slave_metro != NULL);
rhythm_slave_metro_initialize (x->rhythm_slave_metro);
/* Create in- and outlet(s) */
/* Second inlet for period time */
inlet_new (&x->x_obj, &x->x_obj.ob_pd, gensym ("float"), gensym ("ft1"));
/* Bang message outlet */
outlet_new (&x->x_obj, gensym ("bang"));
/* Start the periodic timer clock */
pd_rhythm_slave_metro_ft1 (x, 500); /* initialize clock period */
pd_rhythm_slave_metro_tick (x); /* schedule first clock tick */
return x;
}
static void
pd_rhythm_slave_metro_free (pd_t_rhythm_slave_metro* x)
{
/* precondition(s) */
assert (x != NULL);
/* Stop the periodic timer clock */
clock_unset (x->x_clock);
/* Destruct rhythm_slave_metro */
rhythm_slave_metro_finish (x->rhythm_slave_metro);
rhythm_slave_metro_delete (x->rhythm_slave_metro);
x->rhythm_slave_metro = NULL;
/* Destruct clock */
clock_free (x->x_clock);
x->x_clock = NULL;
}
static void
pd_rhythm_slave_metro_bang (pd_t_rhythm_slave_metro* x)
{
/* precondition(s) */
assert (x != NULL);
/* a "bang" message is equal to a float "0" message */
pd_rhythm_slave_metro_float (x, 0);
}
static void
pd_rhythm_slave_metro_float (pd_t_rhythm_slave_metro* x, t_floatarg f)
{
double new_delay;
/* precondition(s) */
assert (x != NULL);
/* Invoke rhythm_slave_metro onset event */
new_delay = rhythm_slave_metro_onset_event (x->rhythm_slave_metro,
pd_rhythm_slave_metro_get_time ());
if (new_delay)
{
/* Reschedule, i.e. cancel the old and schedule a new tick */
clock_delay (x->x_clock, new_delay);
}
}
static void
pd_rhythm_slave_metro_ft1 (pd_t_rhythm_slave_metro* x, t_floatarg f)
{
/* precondition(s) */
assert (x != NULL);
/* update clock period */
rhythm_slave_metro_set_period (x->rhythm_slave_metro, f);
}
static void
pd_rhythm_slave_metro_tick (pd_t_rhythm_slave_metro* x)
{
double new_delay;
/* precondition(s) */
assert (x != NULL);
/* Invoke rhythm_slave_metro periodic event */
new_delay = rhythm_slave_metro_periodic_event (x->rhythm_slave_metro,
pd_rhythm_slave_metro_get_time ());
if (new_delay)
{
/* Schedule a new tick */
clock_delay (x->x_clock, new_delay);
}
/* Send a "bang" message to the output */
outlet_bang (x->x_obj.ob_outlet);
}
static void
pd_rhythm_slave_metro_set (pd_t_rhythm_slave_metro* x,
t_symbol* s,
t_float value)
{
/* Format: s value */
if(strlen(s->s_name))
{
/* Check for IOI_RESOLUTION */
if (!strncmp( s->s_name, RHYTHM_ESTIMATOR_IOI_RESOLUTION_STR
, strlen(RHYTHM_ESTIMATOR_IOI_RESOLUTION_STR)))
{
/* rhythm_ioi_quantum_set_ioi_resolution(x, value);*/
x->rhythm_slave_metro->ioi_resolution =
ParameterCheck(RHYTHM_ESTIMATOR_IOI_RESOLUTION_STR,
value,
RHYTHM_ESTIMATOR_IOI_RESOLUTION_MIN,
RHYTHM_ESTIMATOR_IOI_RESOLUTION_MAX);
return;
}
else /* Check for MIN_QUANTUM */
if (!strncmp(s->s_name, RHYTHM_ESTIMATOR_MIN_QUANTUM_STR
, strlen(RHYTHM_ESTIMATOR_MIN_QUANTUM_STR)))
{
return;
}
else /* Check for MAX_QUANTUM */
if (!strncmp(s->s_name, RHYTHM_ESTIMATOR_MAX_QUANTUM_STR
, strlen(RHYTHM_ESTIMATOR_MAX_QUANTUM_STR)))
{
return;
}
else /* Check for PHASE_ADAP_SPEED */
if (!strncmp(s->s_name,RHYTHM_SLAVE_METRO_PHASE_ADAP_SPEED_STR
, strlen(RHYTHM_SLAVE_METRO_PHASE_ADAP_SPEED_STR)))
{
x->rhythm_slave_metro->phase_adap_speed =
ParameterCheck(RHYTHM_SLAVE_METRO_PHASE_ADAP_SPEED_STR,
value,
RHYTHM_SLAVE_METRO_PHASE_ADAP_SPEED_MIN,
RHYTHM_SLAVE_METRO_PHASE_ADAP_SPEED_MAX);
return;
}
}
printf("Error, use format like: 'parameter value'\n");
printf("Valid 'parameter' for slave_metro:\n ");
printf(RHYTHM_ESTIMATOR_IOI_RESOLUTION_STR);
printf("\n ");
printf(RHYTHM_SLAVE_METRO_PHASE_ADAP_SPEED_STR);
printf("\n\n");
}
static void
pd_rhythm_slave_metro_print (pd_t_rhythm_slave_metro* x)
{
printf("SLAVE_METRO-Paramater:\n %s: %0.1f",
RHYTHM_ESTIMATOR_IOI_RESOLUTION_STR, x->rhythm_slave_metro->ioi_resolution);
printf("\n ");
printf("%s: %0.1f", RHYTHM_SLAVE_METRO_PHASE_ADAP_SPEED_STR,
x->rhythm_slave_metro->phase_adap_speed);
printf("\n\n");
}
static double
pd_rhythm_slave_metro_get_time (void)
{
return clock_gettimesince (pd_rhythm_slave_metro_setup_systime);
}
/* EOF */
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