rockbox/apps/plugins/pdbox/PDa/intern/tabsend~.c
Peter D'Hoye 0d4560cb03 Accept FS #10244 by Wincent Balin: more pdbox work done for GSoC; also some keyword and line-ending fixes by me
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21626 a1c6a512-1295-4272-9138-f99709370657
2009-07-03 22:16:11 +00:00

103 lines
2.3 KiB
C

#include <m_pd.h>
#include <m_fixed.h>
static t_class *tabsend_class;
typedef struct _tabsend
{
t_object x_obj;
t_sample *x_vec;
int x_graphperiod;
int x_graphcount;
t_symbol *x_arrayname;
t_clock *x_clock;
float x_f;
} t_tabsend;
static void tabsend_tick(t_tabsend *x);
static void *tabsend_new(t_symbol *s)
{
t_tabsend *x = (t_tabsend *)pd_new(tabsend_class);
x->x_graphcount = 0;
x->x_arrayname = s;
x->x_clock = clock_new(x, (t_method)tabsend_tick);
x->x_f = 0;
return (x);
}
static t_int *tabsend_perform(t_int *w)
{
t_tabsend *x = (t_tabsend *)(w[1]);
t_sample *in = (t_sample *)(w[2]);
int n = w[3];
t_sample *dest = x->x_vec;
int i = x->x_graphcount;
if (!x->x_vec) goto bad;
while (n--)
{
t_sample f = *in++;
if (PD_BADFLOAT(f))
f = 0;
*dest++ = f;
}
if (!i--)
{
clock_delay(x->x_clock, 0);
i = x->x_graphperiod;
}
x->x_graphcount = i;
bad:
return (w+4);
}
static void tabsend_dsp(t_tabsend *x, t_signal **sp)
{
#ifdef ROCKBOX
int vecsize;
#else
int i, vecsize;
#endif
t_garray *a;
if (!(a = (t_garray *)pd_findbyclass(x->x_arrayname, garray_class)))
{
if (*x->x_arrayname->s_name)
error("tabsend~: %s: no such array", x->x_arrayname->s_name);
}
else if (!garray_getfloatarray(a, &vecsize, &x->x_vec))
error("%s: bad template for tabsend~", x->x_arrayname->s_name);
else
{
int n = sp[0]->s_n;
int ticksper = sp[0]->s_sr/n;
if (ticksper < 1) ticksper = 1;
x->x_graphperiod = ticksper;
if (x->x_graphcount > ticksper) x->x_graphcount = ticksper;
if (n < vecsize) vecsize = n;
garray_usedindsp(a);
dsp_add(tabsend_perform, 3, x, sp[0]->s_vec, vecsize);
}
}
static void tabsend_tick(t_tabsend *x)
{
t_garray *a = (t_garray *)pd_findbyclass(x->x_arrayname, garray_class);
if (!a) bug("tabsend_tick");
else garray_redraw(a);
}
static void tabsend_free(t_tabsend *x)
{
clock_free(x->x_clock);
}
void tabsend_tilde_setup(void)
{
tabsend_class = class_new(gensym("tabsend~"), (t_newmethod)tabsend_new,
(t_method)tabsend_free, sizeof(t_tabsend), 0, A_DEFSYM, 0);
CLASS_MAINSIGNALIN(tabsend_class, t_tabsend, x_f);
class_addmethod(tabsend_class, (t_method)tabsend_dsp, gensym("dsp"), 0);
}