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#include "defines.h"
/*--------------- decimator ---------------*/
static t_class *decimator_class;
typedef struct _decimator
{
t_object x_obj;
int m_state;
int m_factor;
} t_decimator;
static void decimator_perform(t_decimator *x, t_float in)
{
if (!x->m_state)
{
outlet_float(x->x_obj.ob_outlet, in);
x->m_state=x->m_factor;
}
else
{
x->m_state--;
}
}
static void decimator_setFactor(t_decimator *x, t_float factor)
{
x->m_factor=(int)factor - 1;
}
static void decimator_clear(t_decimator *x)
{
x->m_state=0;
}
static void *decimator_new(t_float factor)
{
t_decimator *x=(t_decimator *)pd_new(decimator_class);
outlet_new(&x->x_obj, gensym("float"));
if (factor<1) factor=2;
decimator_setFactor(x, factor);
decimator_clear(x);
return (void *)x;
}
void decimator_setup(void)
{
decimator_class = class_new(gensym("decimator"),
(t_newmethod)decimator_new, 0,
sizeof(t_decimator),
CLASS_DEFAULT,
A_DEFFLOAT, 0);
class_addfloat(decimator_class, (t_method)decimator_perform);
class_addmethod(decimator_class, (t_method)decimator_clear,
gensym("clear"), A_GIMME, NULL);
class_addmethod(decimator_class, (t_method)decimator_setFactor,
gensym("factor"), A_DEFFLOAT, NULL);
}
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