526b5580da
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@21070 a1c6a512-1295-4272-9138-f99709370657
58 lines
1.3 KiB
C
58 lines
1.3 KiB
C
#include <m_pd.h>
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#include <m_fixed.h>
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static t_class *snapshot_tilde_class;
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typedef struct _snapshot
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{
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t_object x_obj;
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t_sample x_value;
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float x_f;
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} t_snapshot;
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static void *snapshot_tilde_new(void)
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{
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t_snapshot *x = (t_snapshot *)pd_new(snapshot_tilde_class);
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x->x_value = 0;
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outlet_new(&x->x_obj, &s_float);
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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 *snapshot_tilde_perform(t_int *w)
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{
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t_sample *in = (t_sample *)(w[1]);
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t_sample *out = (t_sample *)(w[2]);
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*out = *in;
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return (w+3);
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}
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static void snapshot_tilde_dsp(t_snapshot *x, t_signal **sp)
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{
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dsp_add(snapshot_tilde_perform, 2, sp[0]->s_vec + (sp[0]->s_n-1),
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&x->x_value);
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}
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static void snapshot_tilde_bang(t_snapshot *x)
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{
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outlet_float(x->x_obj.ob_outlet, fixtof(x->x_value));
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}
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static void snapshot_tilde_set(t_snapshot *x, t_floatarg f)
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{
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x->x_value = ftofix(f);
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}
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void snapshot_tilde_setup(void)
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{
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snapshot_tilde_class = class_new(gensym("snapshot~"), snapshot_tilde_new, 0,
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sizeof(t_snapshot), 0, 0);
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CLASS_MAINSIGNALIN(snapshot_tilde_class, t_snapshot, x_f);
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class_addmethod(snapshot_tilde_class, (t_method)snapshot_tilde_dsp,
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gensym("dsp"), 0);
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class_addmethod(snapshot_tilde_class, (t_method)snapshot_tilde_set,
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gensym("set"), A_DEFFLOAT, 0);
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class_addbang(snapshot_tilde_class, snapshot_tilde_bang);
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}
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