ca755f767c
Change pdbox include paths to handle this git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24916 a1c6a512-1295-4272-9138-f99709370657
133 lines
3.3 KiB
C
133 lines
3.3 KiB
C
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#include "../src/m_pd.h"
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#include <../src/m_fixed.h>
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static t_class *tabwrite_tilde_class;
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typedef struct _tabwrite_tilde
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{
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t_object x_obj;
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int x_phase;
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int x_nsampsintab;
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t_sample *x_vec;
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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_tabwrite_tilde;
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static void tabwrite_tilde_tick(t_tabwrite_tilde *x);
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static void *tabwrite_tilde_new(t_symbol *s)
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{
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t_tabwrite_tilde *x = (t_tabwrite_tilde *)pd_new(tabwrite_tilde_class);
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x->x_clock = clock_new(x, (t_method)tabwrite_tilde_tick);
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x->x_phase = 0x7fffffff;
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x->x_arrayname = s;
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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 *tabwrite_tilde_perform(t_int *w)
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{
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t_tabwrite_tilde *x = (t_tabwrite_tilde *)(w[1]);
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t_sample *in = (t_sample *)(w[2]);
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int n = (int)(w[3]), phase = x->x_phase, endphase = x->x_nsampsintab;
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if (!x->x_vec) goto bad;
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if (endphase > phase)
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{
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int nxfer = endphase - phase;
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t_sample *fp = x->x_vec + phase;
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if (nxfer > n) nxfer = n;
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phase += nxfer;
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while (nxfer--)
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{
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t_sample f = *in++;
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*fp++ = f;
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}
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if (phase >= endphase)
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{
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clock_delay(x->x_clock, 0);
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phase = 0x7fffffff;
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}
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x->x_phase = phase;
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}
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bad:
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return (w+4);
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}
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void tabwrite_tilde_set(t_tabwrite_tilde *x, t_symbol *s)
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{
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t_garray *a;
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x->x_arrayname = s;
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if (!(a = (t_garray *)pd_findbyclass(x->x_arrayname, garray_class)))
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{
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if (*s->s_name) pd_error(x, "tabwrite~: %s: no such array",
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x->x_arrayname->s_name);
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x->x_vec = 0;
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}
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else if (!garray_getfloatarray(a, &x->x_nsampsintab, &x->x_vec))
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{
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error("%s: bad template for tabwrite~", x->x_arrayname->s_name);
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x->x_vec = 0;
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}
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else garray_usedindsp(a);
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}
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static void tabwrite_tilde_dsp(t_tabwrite_tilde *x, t_signal **sp)
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{
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tabwrite_tilde_set(x, x->x_arrayname);
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dsp_add(tabwrite_tilde_perform, 3, x, sp[0]->s_vec, sp[0]->s_n);
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}
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static void tabwrite_tilde_bang(t_tabwrite_tilde *x)
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{
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x->x_phase = 0;
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}
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static void tabwrite_tilde_float(t_tabwrite_tilde *x,t_float n)
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{
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if (n < x->x_nsampsintab)
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x->x_phase = n;
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else
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x->x_phase = 0;
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}
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static void tabwrite_tilde_stop(t_tabwrite_tilde *x)
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{
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if (x->x_phase != 0x7fffffff)
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{
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tabwrite_tilde_tick(x);
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x->x_phase = 0x7fffffff;
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}
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}
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static void tabwrite_tilde_tick(t_tabwrite_tilde *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("tabwrite_tilde_tick");
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else garray_redraw(a);
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}
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static void tabwrite_tilde_free(t_tabwrite_tilde *x)
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{
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clock_free(x->x_clock);
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}
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void tabwrite_tilde_setup(void)
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{
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tabwrite_tilde_class = class_new(gensym("tabwrite~"),
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(t_newmethod)tabwrite_tilde_new, (t_method)tabwrite_tilde_free,
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sizeof(t_tabwrite_tilde), 0, A_DEFSYM, 0);
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CLASS_MAINSIGNALIN(tabwrite_tilde_class, t_tabwrite_tilde, x_f);
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class_addmethod(tabwrite_tilde_class, (t_method)tabwrite_tilde_dsp,
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gensym("dsp"), 0);
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class_addmethod(tabwrite_tilde_class, (t_method)tabwrite_tilde_set,
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gensym("set"), A_SYMBOL, 0);
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class_addmethod(tabwrite_tilde_class, (t_method)tabwrite_tilde_stop,
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gensym("stop"), 0);
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class_addbang(tabwrite_tilde_class, tabwrite_tilde_bang);
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class_addfloat(tabwrite_tilde_class, tabwrite_tilde_float);
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}
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