e85d191b46
- merge v0.01 --> Añadido fileselector - Añadidas fuentes de Gem y Pure Data - pix2jpg incluído en Gem. Archivos de construcción de Gem modificados. - Añadido fichero ompiling.txt con instrucciones de compilación
76 lines
1.8 KiB
C
76 lines
1.8 KiB
C
#include "m_pd.h"
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/* ------------------------ lrshift~ ----------------------------- */
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static t_class *lrshift_tilde_class;
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typedef struct _lrshift_tilde
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{
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t_object x_obj;
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int x_n;
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t_float x_f;
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} t_lrshift_tilde;
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static t_int *leftshift_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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int n = (int)(w[3]);
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int shift = (int)(w[4]);
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in += shift;
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n -= shift;
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while (n--)
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*out++ = *in++;
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while (shift--)
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*out++ = 0;
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return (w+5);
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}
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static t_int *rightshift_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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int n = (int)(w[3]);
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int shift = (int)(w[4]);
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n -= shift;
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in -= shift;
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while (n--)
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*--out = *--in;
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while (shift--)
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*--out = 0;
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return (w+5);
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}
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static void lrshift_tilde_dsp(t_lrshift_tilde *x, t_signal **sp)
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{
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int n = sp[0]->s_n;
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int shift = x->x_n;
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if (shift > n)
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shift = n;
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if (shift < -n)
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shift = -n;
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if (shift < 0)
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dsp_add(rightshift_perform, 4,
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sp[0]->s_vec + n, sp[1]->s_vec + n, n, -shift);
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else dsp_add(leftshift_perform, 4,
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sp[0]->s_vec, sp[1]->s_vec, n, shift);
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}
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static void *lrshift_tilde_new(t_floatarg f)
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{
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t_lrshift_tilde *x = (t_lrshift_tilde *)pd_new(lrshift_tilde_class);
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x->x_n = f;
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x->x_f = 0;
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outlet_new(&x->x_obj, gensym("signal"));
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return (x);
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}
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void lrshift_tilde_setup(void)
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{
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lrshift_tilde_class = class_new(gensym("lrshift~"),
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(t_newmethod)lrshift_tilde_new, 0, sizeof(t_lrshift_tilde), 0,
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A_DEFFLOAT, 0);
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CLASS_MAINSIGNALIN(lrshift_tilde_class, t_lrshift_tilde, x_f);
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class_addmethod(lrshift_tilde_class, (t_method)lrshift_tilde_dsp,
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gensym("dsp"), 0);
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}
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