apps/plugins/pdbox/PDa/intern/tabreceive~.c

   1 #include "../src/m_pd.h"
   2 #include <../src/m_fixed.h>
   3
   4 static t_class *tabreceive_class;
   5
   6 typedef struct _tabreceive
   7 {
   8     t_object x_obj;
   9     t_sample *x_vec;
  10     t_symbol *x_arrayname;
  11 } t_tabreceive;
  12
  13 static t_int *tabreceive_perform(t_int *w)
  14 {
  15     t_tabreceive *x = (t_tabreceive *)(w[1]);
  16     t_sample *out = (t_sample *)(w[2]);
  17     int n = w[3];
  18     t_sample *from = x->x_vec;
  19     if (from) while (n--) *out++ = *from++;
  20     else while (n--) *out++ = 0;
  21     return (w+4);
  22 }
  23
  24 static void tabreceive_dsp(t_tabreceive *x, t_signal **sp)
  25 {
  26     t_garray *a;
  27     int vecsize;
  28
  29     if (!(a = (t_garray *)pd_findbyclass(x->x_arrayname, garray_class)))
  30     {
  31         if (*x->x_arrayname->s_name)
  32             error("tabsend~: %s: no such array", x->x_arrayname->s_name);
  33     }
  34     else if (!garray_getfloatarray(a, &vecsize, &x->x_vec))
  35         error("%s: bad template for tabreceive~", x->x_arrayname->s_name);
  36     else
  37     {
  38         int n = sp[0]->s_n;
  39         if (n < vecsize) vecsize = n;
  40         garray_usedindsp(a);
  41         dsp_add(tabreceive_perform, 3, x, sp[0]->s_vec, vecsize);
  42     }
  43 }
  44
  45 static void *tabreceive_new(t_symbol *s)
  46 {
  47     t_tabreceive *x = (t_tabreceive *)pd_new(tabreceive_class);
  48     x->x_arrayname = s;
  49     outlet_new(&x->x_obj, &s_signal);
  50     return (x);
  51 }
  52
  53 void tabreceive_tilde_setup(void)
  54 {
  55     tabreceive_class = class_new(gensym("tabreceive~"),
  56         (t_newmethod)tabreceive_new, 0,
  57         sizeof(t_tabreceive), 0, A_DEFSYM, 0);
  58     class_addmethod(tabreceive_class, (t_method)tabreceive_dsp,
  59         gensym("dsp"), 0);
  60 }
  61