0d4560cb03
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21626 a1c6a512-1295-4272-9138-f99709370657
56 lines
1.1 KiB
C
56 lines
1.1 KiB
C
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#include <m_pd.h>
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#include <m_fixed.h>
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typedef struct wrap
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{
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t_object x_obj;
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float x_f;
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} t_sigwrap;
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t_class *sigwrap_class;
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static void *sigwrap_new(void)
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{
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t_sigwrap *x = (t_sigwrap *)pd_new(sigwrap_class);
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outlet_new(&x->x_obj, gensym("signal"));
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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 *sigwrap_perform(t_int *w)
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{
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t_sample *in = *(t_sample **)(w+1), *out = *(t_sample **)(w+2);
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t_int n = *(t_int *)(w+3);
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while (n--)
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{
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t_sample f = *in++;
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#ifndef FIXEDPOINT
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int k = f;
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if (f > 0) *out++ = f-k;
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else *out++ = f - (k-1);
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#else
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int k = ftofix(1.) - 1;
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*out = f&k;
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#endif
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}
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return (w + 4);
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}
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static void sigwrap_dsp(t_sigwrap *x, t_signal **sp)
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{
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#ifdef ROCKBOX
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(void) x;
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#endif
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dsp_add(sigwrap_perform, 3, sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n);
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}
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void wrap_tilde_setup(void)
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{
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sigwrap_class = class_new(gensym("wrap~"), (t_newmethod)sigwrap_new, 0,
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sizeof(t_sigwrap), 0, 0);
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CLASS_MAINSIGNALIN(sigwrap_class, t_sigwrap, x_f);
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class_addmethod(sigwrap_class, (t_method)sigwrap_dsp, gensym("dsp"), 0);
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}
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