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/* sIgpAck
* for
* pure-data
* www.weiss-archiv.de */
#include "m_pd.h"
#ifdef _MSC_VER
#pragma warning( disable : 4244 )
#pragma warning( disable : 4305 )
#endif
/* ------------------------ split~ ----------------------------- */
/* signal splitter */
static t_class *split_tilde_class;
typedef struct _split_tilde
{
t_object x_obj;
float x_f;
t_sample x_thres;
} t_split_tilde;
static void *split_tilde_new(t_floatarg thres)
{
t_split_tilde *x = (t_split_tilde *)pd_new(split_tilde_class);
x->x_thres = thres;
outlet_new(&x->x_obj, gensym("signal"));
outlet_new(&x->x_obj, gensym("signal"));
floatinlet_new(&x->x_obj, &x->x_thres);
x->x_f = 0;
if(thres) x->x_thres = thres;
else x->x_thres = 0;
return (x);
}
static t_int *split_tilde_perform(t_int *w)
{
t_split_tilde *x = (t_split_tilde *)(w[1]);
t_float *in = (t_float *)(w[2]);
t_float *out1 = (t_float *)(w[3]);
t_float *out2 = (t_float *)(w[4]);
int n = (int)(w[5]);
while (n--)
{
float f = *in++;
if(f < x->x_thres)
{
*out1++ = f;
*out2++ = 0;
}
else if(f >= x->x_thres)
{
*out1++ = 0;
*out2++ = f;
}
}
return (w+6);
}
static void split_tilde_dsp(t_split_tilde *x, t_signal **sp)
{
dsp_add(split_tilde_perform, 5, x, sp[0]->s_vec, sp[1]->s_vec, sp[2]->s_vec, sp[0]->s_n);
}
void split_tilde_setup(void)
{
split_tilde_class = class_new(gensym("split~"), (t_newmethod)split_tilde_new, 0,
sizeof(t_split_tilde), 0, A_DEFFLOAT, 0);
CLASS_MAINSIGNALIN(split_tilde_class, t_split_tilde, x_f);
class_addmethod(split_tilde_class, (t_method)split_tilde_dsp, gensym("dsp"), 0);
}
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