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-rw-r--r--tab/vdc~.c93
1 files changed, 0 insertions, 93 deletions
diff --git a/tab/vdc~.c b/tab/vdc~.c
deleted file mode 100644
index c2efbd0..0000000
--- a/tab/vdc~.c
+++ /dev/null
@@ -1,93 +0,0 @@
-#include "m_pd.h"
-#include "d_delay.c"
-
-
-/* ----------------------------- vdc~ ----------------------------- */
-static t_class *sigvdc_class;
-
-typedef struct _sigvdc
-{
- t_object x_obj;
- t_symbol *x_sym;
- t_float x_sr; /* samples per msec */
- int x_zerodel; /* 0 or vecsize depending on read/write order */
- t_float x_f;
-} t_sigvdc;
-
-static void *sigvdc_new(t_symbol *s)
-{
- t_sigvdc *x = (t_sigvdc *)pd_new(sigvdc_class);
- if (!*s->s_name) s = gensym("vdc~");
- x->x_sym = s;
- x->x_sr = 1;
- x->x_zerodel = 0;
- outlet_new(&x->x_obj, &s_signal);
- x->x_f = 0;
- return (x);
-}
-
-
-static t_int *sigvdc_perform(t_int *w)
-{
- t_sample *in = (t_sample *)(w[1]);
- t_sample *out = (t_sample *)(w[2]);
- t_delwritectl *ctl = (t_delwritectl *)(w[3]);
- t_sigvdc *x = (t_sigvdc *)(w[4]);
- int n = (int)(w[5]);
-
- int nsamps = ctl->c_n;
- t_sample limit = nsamps - n - 1;
- t_sample fn = n-1;
- t_sample *vp = ctl->c_vec, *bp, *wp = vp + ctl->c_phase;
- t_sample zerodel = x->x_zerodel;
- while (n--)
- {
- t_sample delsamps = x->x_sr * *in++ - zerodel, frac;
- int idelsamps;
- t_sample a, b, c, d, cminusb;
- if (delsamps < 1.00001f) delsamps = 1.00001f;
- if (delsamps > limit) delsamps = limit;
- delsamps += fn;
- fn = fn - 1.0f;
- idelsamps = delsamps;
- frac = delsamps - (t_sample)idelsamps;
- bp = wp - idelsamps;
- if (bp < vp + 4) bp += nsamps;
- d = bp[-3];
- c = bp[-2];
- b = bp[-1];
- a = bp[0];
- cminusb = c-b;
- *out++ = b + frac * (
- cminusb - 0.1666667f * (1.-frac) * (
- (d - a - 3.0f * cminusb) * frac + (d + 2.0f*a - 3.0f*b)
- )
- );
- }
- return (w+6);
-}
-
-static void sigvdc_dsp(t_sigvdc *x, t_signal **sp)
-{
- t_sigdelwrite *delwriter =
- (t_sigdelwrite *)pd_findbyclass(x->x_sym, sigdelwrite_class);
- x->x_sr = sp[0]->s_sr * 0.001;
- if (delwriter)
- {
- sigdelwrite_checkvecsize(delwriter, sp[0]->s_n);
- x->x_zerodel = (delwriter->x_sortno == ugen_getsortno() ?
- 0 : delwriter->x_vecsize);
- dsp_add(sigvdc_perform, 5,
- sp[0]->s_vec, sp[1]->s_vec,
- &delwriter->x_cspace, x, sp[0]->s_n);
- }
- else error("vdc~: %s: no such delwrite~",x->x_sym->s_name);
-}
-
-void vdc_tilde_setup(void)
-{
- sigvdc_class = class_new(gensym("vdc~"), (t_newmethod)sigvdc_new, 0,
- sizeof(t_sigvdc), 0, A_DEFSYM, 0);
- class_addmethod(sigvdc_class, (t_method)sigvdc_dsp, gensym("dsp"), 0);
- CLASS_MAINSIGNALIN(sigvdc_class, t_sigvdc, x_f);
-}