1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
Index: d_delay.c
===================================================================
--- d_delay.c (révision 13558)
+++ d_delay.c (copie de travail)
@@ -24,6 +24,7 @@
{
t_object x_obj;
t_symbol *x_sym;
+ t_float x_deltime; /* delay in msec (added by Mathieu Bouchard) */
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 */
@@ -34,6 +35,21 @@
#define XTRASAMPS 4
#define SAMPBLK 4
+static void sigdelwrite_updatesr (t_sigdelwrite *x, t_float sr) /* added by Mathieu Bouchard */
+{
+ int nsamps = x->x_deltime * sr * (t_float)(0.001f);
+ if (nsamps < 1) nsamps = 1;
+ nsamps += ((- nsamps) & (SAMPBLK - 1));
+ nsamps += DEFDELVS;
+ if (x->x_cspace.c_n != nsamps) {
+ x->x_cspace.c_vec = (t_sample *)resizebytes(x->x_cspace.c_vec,
+ (x->x_cspace.c_n + XTRASAMPS) * sizeof(t_sample),
+ ( nsamps + XTRASAMPS) * sizeof(t_sample));
+ x->x_cspace.c_n = nsamps;
+ x->x_cspace.c_phase = XTRASAMPS;
+ }
+}
+
/* routine to check that all delwrites/delreads/vds have same vecsize */
static void sigdelwrite_checkvecsize(t_sigdelwrite *x, int vecsize)
{
@@ -54,19 +70,13 @@
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() * (t_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 =
- (t_sample *)getbytes((nsamps + XTRASAMPS) * sizeof(t_sample));
- x->x_cspace.c_phase = XTRASAMPS;
+ x->x_deltime = msec;
+ x->x_cspace.c_n = 0;
+ x->x_cspace.c_vec = getbytes(XTRASAMPS * sizeof(t_sample));
x->x_sortno = 0;
x->x_vecsize = 0;
x->x_f = 0;
@@ -109,6 +119,7 @@
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);
+ sigdelwrite_updatesr(x, sp[0]->s_sr);
}
static void sigdelwrite_free(t_sigdelwrite *x)
@@ -200,6 +211,7 @@
x->x_n = sp[0]->s_n;
if (delwriter)
{
+ sigdelwrite_updatesr(delwriter, sp[0]->s_sr);
sigdelwrite_checkvecsize(delwriter, sp[0]->s_n);
x->x_zerodel = (delwriter->x_sortno == ugen_getsortno() ?
0 : delwriter->x_vecsize);
|