0d4560cb03
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21626 a1c6a512-1295-4272-9138-f99709370657
103 lines
2.3 KiB
C
103 lines
2.3 KiB
C
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#include <m_pd.h>
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#include <m_fixed.h>
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static t_class *tabsend_class;
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typedef struct _tabsend
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{
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t_object x_obj;
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t_sample *x_vec;
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int x_graphperiod;
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int x_graphcount;
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t_symbol *x_arrayname;
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t_clock *x_clock;
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float x_f;
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} t_tabsend;
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static void tabsend_tick(t_tabsend *x);
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static void *tabsend_new(t_symbol *s)
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{
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t_tabsend *x = (t_tabsend *)pd_new(tabsend_class);
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x->x_graphcount = 0;
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x->x_arrayname = s;
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x->x_clock = clock_new(x, (t_method)tabsend_tick);
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x->x_f = 0;
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return (x);
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}
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static t_int *tabsend_perform(t_int *w)
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{
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t_tabsend *x = (t_tabsend *)(w[1]);
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t_sample *in = (t_sample *)(w[2]);
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int n = w[3];
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t_sample *dest = x->x_vec;
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int i = x->x_graphcount;
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if (!x->x_vec) goto bad;
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while (n--)
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{
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t_sample f = *in++;
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if (PD_BADFLOAT(f))
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f = 0;
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*dest++ = f;
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}
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if (!i--)
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{
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clock_delay(x->x_clock, 0);
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i = x->x_graphperiod;
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}
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x->x_graphcount = i;
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bad:
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return (w+4);
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}
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static void tabsend_dsp(t_tabsend *x, t_signal **sp)
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{
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#ifdef ROCKBOX
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int vecsize;
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#else
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int i, vecsize;
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#endif
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t_garray *a;
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if (!(a = (t_garray *)pd_findbyclass(x->x_arrayname, garray_class)))
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{
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if (*x->x_arrayname->s_name)
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error("tabsend~: %s: no such array", x->x_arrayname->s_name);
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}
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else if (!garray_getfloatarray(a, &vecsize, &x->x_vec))
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error("%s: bad template for tabsend~", x->x_arrayname->s_name);
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else
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{
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int n = sp[0]->s_n;
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int ticksper = sp[0]->s_sr/n;
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if (ticksper < 1) ticksper = 1;
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x->x_graphperiod = ticksper;
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if (x->x_graphcount > ticksper) x->x_graphcount = ticksper;
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if (n < vecsize) vecsize = n;
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garray_usedindsp(a);
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dsp_add(tabsend_perform, 3, x, sp[0]->s_vec, vecsize);
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}
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}
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static void tabsend_tick(t_tabsend *x)
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{
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t_garray *a = (t_garray *)pd_findbyclass(x->x_arrayname, garray_class);
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if (!a) bug("tabsend_tick");
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else garray_redraw(a);
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}
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static void tabsend_free(t_tabsend *x)
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{
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clock_free(x->x_clock);
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}
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void tabsend_tilde_setup(void)
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{
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tabsend_class = class_new(gensym("tabsend~"), (t_newmethod)tabsend_new,
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(t_method)tabsend_free, sizeof(t_tabsend), 0, A_DEFSYM, 0);
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CLASS_MAINSIGNALIN(tabsend_class, t_tabsend, x_f);
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class_addmethod(tabsend_class, (t_method)tabsend_dsp, gensym("dsp"), 0);
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}
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