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authorPeter D'Hoye <peter.dhoye@gmail.com>2009-05-24 21:28:16 +0000
committerPeter D'Hoye <peter.dhoye@gmail.com>2009-05-24 21:28:16 +0000
commit526b5580dabbfed7cfe5439dc3a90ec727f563c2 (patch)
tree22b1af92348785daad16714ee5e2b633017e0e48 /apps/plugins/pdbox/PDa/src/d_delay.c
parent4f2dfcc01b260d946044ef2b6af5fe36cb772c8d (diff)
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Cut the files in half and it might work better (note to self: check your tree is really clean before patching)
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21070 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps/plugins/pdbox/PDa/src/d_delay.c')
-rw-r--r--apps/plugins/pdbox/PDa/src/d_delay.c319
1 files changed, 0 insertions, 319 deletions
diff --git a/apps/plugins/pdbox/PDa/src/d_delay.c b/apps/plugins/pdbox/PDa/src/d_delay.c
index 37fb90e..d04ded9 100644
--- a/apps/plugins/pdbox/PDa/src/d_delay.c
+++ b/apps/plugins/pdbox/PDa/src/d_delay.c
@@ -317,322 +317,3 @@ void d_delay_setup(void)
sigvd_setup();
}
-/* Copyright (c) 1997-1999 Miller Puckette.
-* For information on usage and redistribution, and for a DISCLAIMER OF ALL
-* WARRANTIES, see the file, "LICENSE.txt," in this distribution. */
-
-/* send~, delread~, throw~, catch~ */
-
-#include "m_pd.h"
-extern int ugen_getsortno(void);
-
-#define DEFDELVS 64 /* LATER get this from canvas at DSP time */
-static int delread_zero = 0; /* four bytes of zero for delread~, vd~ */
-
-/* ----------------------------- delwrite~ ----------------------------- */
-static t_class *sigdelwrite_class;
-
-typedef struct delwritectl
-{
- int c_n;
- float *c_vec;
- int c_phase;
-} t_delwritectl;
-
-typedef struct _sigdelwrite
-{
- t_object x_obj;
- t_symbol *x_sym;
- t_delwritectl x_cspace;
- int x_sortno; /* DSP sort number at which this was last put on chain */
- int x_rsortno; /* DSP sort # for first delread or write in chain */
- int x_vecsize; /* vector size for delread~ to use */
- float x_f;
-} t_sigdelwrite;
-
-#define XTRASAMPS 4
-#define SAMPBLK 4
-
- /* routine to check that all delwrites/delreads/vds have same vecsize */
-static void sigdelwrite_checkvecsize(t_sigdelwrite *x, int vecsize)
-{
- /*
- LATER this should really check sample rate and blocking, once that is
- supported. Probably we don't actually care about vecsize.
- For now just suppress this check... */
-#if 0
- if (x->x_rsortno != ugen_getsortno())
- {
- x->x_vecsize = vecsize;
- x->x_rsortno = ugen_getsortno();
- }
- else if (vecsize != x->x_vecsize)
- pd_error(x, "delread/delwrite/vd vector size mismatch");
-#endif
-}
-
-static void *sigdelwrite_new(t_symbol *s, t_floatarg msec)
-{
- int nsamps;
- t_sigdelwrite *x = (t_sigdelwrite *)pd_new(sigdelwrite_class);
- if (!*s->s_name) s = gensym("delwrite~");
- pd_bind(&x->x_obj.ob_pd, s);
- x->x_sym = s;
- nsamps = msec * sys_getsr() * (float)(0.001f);
- if (nsamps < 1) nsamps = 1;
- nsamps += ((- nsamps) & (SAMPBLK - 1));
- nsamps += DEFDELVS;
- x->x_cspace.c_n = nsamps;
- x->x_cspace.c_vec =
- (float *)getbytes((nsamps + XTRASAMPS) * sizeof(float));
- x->x_cspace.c_phase = XTRASAMPS;
- x->x_sortno = 0;
- x->x_vecsize = 0;
- x->x_f = 0;
- return (x);
-}
-
-static t_int *sigdelwrite_perform(t_int *w)
-{
- t_float *in = (t_float *)(w[1]);
- t_delwritectl *c = (t_delwritectl *)(w[2]);
- int n = (int)(w[3]);
- int phase = c->c_phase, nsamps = c->c_n;
- float *vp = c->c_vec, *bp = vp + phase, *ep = vp + (c->c_n + XTRASAMPS);
- phase += n;
- while (n--)
- {
- float f = *in++;
- if (PD_BIGORSMALL(f))
- f = 0;
- *bp++ = f;
- if (bp == ep)
- {
- vp[0] = ep[-4];
- vp[1] = ep[-3];
- vp[2] = ep[-2];
- vp[3] = ep[-1];
- bp = vp + XTRASAMPS;
- phase -= nsamps;
- }
- }
- c->c_phase = phase;
- return (w+4);
-}
-
-static void sigdelwrite_dsp(t_sigdelwrite *x, t_signal **sp)
-{
- dsp_add(sigdelwrite_perform, 3, sp[0]->s_vec, &x->x_cspace, sp[0]->s_n);
- x->x_sortno = ugen_getsortno();
- sigdelwrite_checkvecsize(x, sp[0]->s_n);
-}
-
-static void sigdelwrite_free(t_sigdelwrite *x)
-{
- pd_unbind(&x->x_obj.ob_pd, x->x_sym);
- freebytes(x->x_cspace.c_vec,
- (x->x_cspace.c_n + XTRASAMPS) * sizeof(float));
-}
-
-static void sigdelwrite_setup(void)
-{
- sigdelwrite_class = class_new(gensym("delwrite~"),
- (t_newmethod)sigdelwrite_new, (t_method)sigdelwrite_free,
- sizeof(t_sigdelwrite), 0, A_DEFSYM, A_DEFFLOAT, 0);
- CLASS_MAINSIGNALIN(sigdelwrite_class, t_sigdelwrite, x_f);
- class_addmethod(sigdelwrite_class, (t_method)sigdelwrite_dsp,
- gensym("dsp"), 0);
-}
-
-/* ----------------------------- delread~ ----------------------------- */
-static t_class *sigdelread_class;
-
-typedef struct _sigdelread
-{
- t_object x_obj;
- t_symbol *x_sym;
- t_float x_deltime; /* delay in msec */
- int x_delsamps; /* delay in samples */
- t_float x_sr; /* samples per msec */
- t_float x_n; /* vector size */
- int x_zerodel; /* 0 or vecsize depending on read/write order */
-} t_sigdelread;
-
-static void sigdelread_float(t_sigdelread *x, t_float f);
-
-static void *sigdelread_new(t_symbol *s, t_floatarg f)
-{
- t_sigdelread *x = (t_sigdelread *)pd_new(sigdelread_class);
- x->x_sym = s;
- x->x_sr = 1;
- x->x_n = 1;
- x->x_zerodel = 0;
- sigdelread_float(x, f);
- outlet_new(&x->x_obj, &s_signal);
- return (x);
-}
-
-static void sigdelread_float(t_sigdelread *x, t_float f)
-{
- int samps;
- t_sigdelwrite *delwriter =
- (t_sigdelwrite *)pd_findbyclass(x->x_sym, sigdelwrite_class);
- x->x_deltime = f;
- if (delwriter)
- {
- int delsize = delwriter->x_cspace.c_n;
- x->x_delsamps = (int)(0.5 + x->x_sr * x->x_deltime)
- + x->x_n - x->x_zerodel;
- if (x->x_delsamps < x->x_n) x->x_delsamps = x->x_n;
- else if (x->x_delsamps > delwriter->x_cspace.c_n - DEFDELVS)
- x->x_delsamps = delwriter->x_cspace.c_n - DEFDELVS;
- }
-}
-
-static t_int *sigdelread_perform(t_int *w)
-{
- t_float *out = (t_float *)(w[1]);
- t_delwritectl *c = (t_delwritectl *)(w[2]);
- int delsamps = *(int *)(w[3]);
- int n = (int)(w[4]);
- int phase = c->c_phase - delsamps, nsamps = c->c_n;
- float *vp = c->c_vec, *bp, *ep = vp + (c->c_n + XTRASAMPS);
-
- if (phase < 0) phase += nsamps;
- bp = vp + phase;
- while (n--)
- {
- *out++ = *bp++;
- if (bp == ep) bp -= nsamps;
- }
- return (w+5);
-}
-
-static void sigdelread_dsp(t_sigdelread *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;
- x->x_n = sp[0]->s_n;
- if (delwriter)
- {
- sigdelwrite_checkvecsize(delwriter, sp[0]->s_n);
- x->x_zerodel = (delwriter->x_sortno == ugen_getsortno() ?
- 0 : delwriter->x_vecsize);
- sigdelread_float(x, x->x_deltime);
- dsp_add(sigdelread_perform, 4,
- sp[0]->s_vec, &delwriter->x_cspace, &x->x_delsamps, sp[0]->s_n);
- }
- else if (*x->x_sym->s_name)
- error("delread~: %s: no such delwrite~",x->x_sym->s_name);
-}
-
-static void sigdelread_setup(void)
-{
- sigdelread_class = class_new(gensym("delread~"),
- (t_newmethod)sigdelread_new, 0,
- sizeof(t_sigdelread), 0, A_DEFSYM, A_DEFFLOAT, 0);
- class_addmethod(sigdelread_class, (t_method)sigdelread_dsp,
- gensym("dsp"), 0);
- class_addfloat(sigdelread_class, (t_method)sigdelread_float);
-}
-
-
-/* ----------------------------- vd~ ----------------------------- */
-static t_class *sigvd_class;
-
-typedef struct _sigvd
-{
- 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 */
- float x_f;
-} t_sigvd;
-
-static void *sigvd_new(t_symbol *s)
-{
- t_sigvd *x = (t_sigvd *)pd_new(sigvd_class);
- if (!*s->s_name) s = gensym("vd~");
- 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 *sigvd_perform(t_int *w)
-{
- t_float *in = (t_float *)(w[1]);
- t_float *out = (t_float *)(w[2]);
- t_delwritectl *ctl = (t_delwritectl *)(w[3]);
- t_sigvd *x = (t_sigvd *)(w[4]);
- int n = (int)(w[5]);
-
- int nsamps = ctl->c_n;
- float limit = nsamps - n - 1;
- float fn = n-1;
- float *vp = ctl->c_vec, *bp, *wp = vp + ctl->c_phase;
- float zerodel = x->x_zerodel;
- while (n--)
- {
- float delsamps = x->x_sr * *in++ - zerodel, frac;
- int idelsamps;
- float 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 - (float)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 sigvd_dsp(t_sigvd *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(sigvd_perform, 5,
- sp[0]->s_vec, sp[1]->s_vec,
- &delwriter->x_cspace, x, sp[0]->s_n);
- }
- else error("vd~: %s: no such delwrite~",x->x_sym->s_name);
-}
-
-static void sigvd_setup(void)
-{
- sigvd_class = class_new(gensym("vd~"), (t_newmethod)sigvd_new, 0,
- sizeof(t_sigvd), 0, A_DEFSYM, 0);
- class_addmethod(sigvd_class, (t_method)sigvd_dsp, gensym("dsp"), 0);
- CLASS_MAINSIGNALIN(sigvd_class, t_sigvd, x_f);
-}
-
-/* ----------------------- global setup routine ---------------- */
-
-void d_delay_setup(void)
-{
- sigdelwrite_setup();
- sigdelread_setup();
- sigvd_setup();
-}
-