51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
|
#include <m_pd.h>
|
||
|
|
#include <m_fixed.h>
|
||
|
|
|
||
|
|
typedef struct mtof_tilde
|
||
|
|
{
|
||
|
|
t_object x_obj;
|
||
|
|
float x_f;
|
||
|
|
} t_mtof_tilde;
|
||
|
|
|
||
|
|
t_class *mtof_tilde_class;
|
||
|
|
|
||
|
|
static void *mtof_tilde_new(void)
|
||
|
|
{
|
||
|
|
t_mtof_tilde *x = (t_mtof_tilde *)pd_new(mtof_tilde_class);
|
||
|
|
outlet_new(&x->x_obj, gensym("signal"));
|
||
|
|
x->x_f = 0;
|
||
|
|
return (x);
|
||
|
|
}
|
||
|
|
|
||
|
|
static t_int *mtof_tilde_perform(t_int *w)
|
||
|
|
{
|
||
|
|
t_sample *in = *(t_sample **)(w+1), *out = *(t_sample **)(w+2);
|
||
|
|
t_int n = *(t_int *)(w+3);
|
||
|
|
for (; n--; in++, out++)
|
||
|
|
{
|
||
|
|
t_sample f = *in;
|
||
|
|
if (f <= ftofix(-1500.)) *out = 0;
|
||
|
|
else
|
||
|
|
{
|
||
|
|
if (f > ftofix(1499.)) f = ftofix(1499.);
|
||
|
|
*out = ftofix(8.17579891564 * exp(.0577622650 * fixtof(f)));
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return (w + 4);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void mtof_tilde_dsp(t_mtof_tilde *x, t_signal **sp)
|
||
|
|
{
|
||
|
|
post("warning: %s not usable yet",__FUNCTION__);
|
||
|
|
dsp_add(mtof_tilde_perform, 3, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n);
|
||
|
|
}
|
||
|
|
|
||
|
|
void mtof_tilde_setup(void)
|
||
|
|
{
|
||
|
|
mtof_tilde_class = class_new(gensym("mtof~"), (t_newmethod)mtof_tilde_new, 0,
|
||
|
|
sizeof(t_mtof_tilde), 0, 0);
|
||
|
|
CLASS_MAINSIGNALIN(mtof_tilde_class, t_mtof_tilde, x_f);
|
||
|
|
class_addmethod(mtof_tilde_class, (t_method)mtof_tilde_dsp, gensym("dsp"), 0);
|
||
|
|
}
|
||
|
|
|