526b5580da
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21070 a1c6a512-1295-4272-9138-f99709370657
68 lines
1.3 KiB
C
68 lines
1.3 KiB
C
#include <m_pd.h>
|
|
#include <m_fixed.h>
|
|
|
|
static t_class *sig_tilde_class;
|
|
|
|
typedef struct _sig
|
|
{
|
|
t_object x_obj;
|
|
t_sample x_f;
|
|
} t_sig;
|
|
|
|
static t_int *sig_tilde_perform(t_int *w)
|
|
{
|
|
t_sample f = *(t_sample *)(w[1]);
|
|
t_sample *out = (t_sample *)(w[2]);
|
|
int n = (int)(w[3]);
|
|
while (n--)
|
|
*out++ = f;
|
|
return (w+4);
|
|
}
|
|
|
|
static t_int *sig_tilde_perf8(t_int *w)
|
|
{
|
|
t_sample f = *(t_sample *)(w[1]);
|
|
t_sample *out = (t_sample *)(w[2]);
|
|
int n = (int)(w[3]);
|
|
|
|
for (; n; n -= 8, out += 8)
|
|
{
|
|
out[0] = f;
|
|
out[1] = f;
|
|
out[2] = f;
|
|
out[3] = f;
|
|
out[4] = f;
|
|
out[5] = f;
|
|
out[6] = f;
|
|
out[7] = f;
|
|
}
|
|
return (w+4);
|
|
}
|
|
|
|
|
|
static void sig_tilde_float(t_sig *x, t_float f)
|
|
{
|
|
x->x_f = ftofix(f);
|
|
}
|
|
|
|
static void sig_tilde_dsp(t_sig *x, t_signal **sp)
|
|
{
|
|
dsp_add(sig_tilde_perform, 3, &x->x_f, sp[0]->s_vec, sp[0]->s_n);
|
|
}
|
|
|
|
static void *sig_tilde_new(t_floatarg f)
|
|
{
|
|
t_sig *x = (t_sig *)pd_new(sig_tilde_class);
|
|
x->x_f = ftofix(f);
|
|
outlet_new(&x->x_obj, gensym("signal"));
|
|
return (x);
|
|
}
|
|
|
|
void sig_tilde_setup(void)
|
|
{
|
|
sig_tilde_class = class_new(gensym("sig~"), (t_newmethod)sig_tilde_new, 0,
|
|
sizeof(t_sig), 0, A_DEFFLOAT, 0);
|
|
class_addfloat(sig_tilde_class, (t_method)sig_tilde_float);
|
|
class_addmethod(sig_tilde_class, (t_method)sig_tilde_dsp, gensym("dsp"), 0);
|
|
}
|
|
|