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/* Copyright (c) 2002-2003 krzYszcz and others.
* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution. */
/* Clip~ substitution is needed to handle signal input for lo and hi */
#include "m_pd.h"
#include "sickle/sic.h"
#define CLIP_DEFLO 0.
#define CLIP_DEFHI 0.
typedef t_sic t_clip;
static t_class *clip_class;
static t_int *Clip_perform(t_int *w)
{
int nblock = (int)(w[1]);
t_float *in1 = (t_float *)(w[2]);
t_float *in2 = (t_float *)(w[3]);
t_float *in3 = (t_float *)(w[4]);
t_float *out = (t_float *)(w[5]);
while (nblock--)
{
float f = *in1++;
float lo = *in2++;
float hi = *in3++;
if (f < lo)
*out++ = lo;
else if (f > hi)
*out++ = hi;
else
*out++ = f;
}
return (w + 6);
}
static void clip_dsp(t_clip *x, t_signal **sp)
{
dsp_add(Clip_perform, 5, sp[0]->s_n,
sp[0]->s_vec, sp[1]->s_vec, sp[2]->s_vec, sp[3]->s_vec);
}
static void *clip_new(t_symbol *s, int ac, t_atom *av)
{
t_clip *x = (t_clip *)pd_new(clip_class);
sic_inlet((t_sic *)x, 1, CLIP_DEFLO, 0, ac, av);
sic_inlet((t_sic *)x, 2, CLIP_DEFHI, 1, ac, av);
outlet_new((t_object *)x, &s_signal);
return (x);
}
void Clip_tilde_setup(void)
{
clip_class = class_new(gensym("Clip~"),
(t_newmethod)clip_new, 0,
sizeof(t_clip), 0, A_GIMME, 0);
sic_setup(clip_class, clip_dsp, SIC_FLOATTOSIGNAL);
}
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