diff options
| author | Hans-Christoph Steiner <eighthave@users.sourceforge.net> | 2010-02-09 21:05:37 +0000 |
|---|---|---|
| committer | Hans-Christoph Steiner <eighthave@users.sourceforge.net> | 2010-02-09 21:05:37 +0000 |
| commit | f9e3fe480e7e3c448a626d508f1976f4fec2f759 (patch) | |
| tree | 4c82fc18ec367525537358a0be41d9be8ab55bad /chop~.c | |
| parent | 10c09b5f8fafb9bf02fd8ad21e7093fb55e14b45 (diff) | |
convert file layout to libdir style and setup everything with the new template Makefile+debian stuff
svn path=/trunk/externals/sigpack/; revision=13153
Diffstat (limited to 'chop~.c')
| -rw-r--r-- | chop~.c | 67 |
1 files changed, 67 insertions, 0 deletions
@@ -0,0 +1,67 @@ +/* sIgpAck
+ * for
+ * pure-data
+ * www.weiss-archiv.de */
+
+#include "m_pd.h"
+#ifdef _MSC_VER
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+
+// ------------------------ chop~ -----------------------------
+// signal chopping modulator
+
+static t_class *chop_tilde_class;
+
+typedef struct _chop_tilde
+{
+ t_object x_obj;
+ t_sample x_factor;
+ float x_f;
+} t_chop_tilde;
+
+static void *chop_tilde_new(t_floatarg factor)
+{
+ t_chop_tilde *x = (t_chop_tilde *)pd_new(chop_tilde_class);
+ x->x_factor = factor;
+ outlet_new(&x->x_obj, gensym("signal"));
+ inlet_new(&x->x_obj, &x->x_obj.ob_pd, &s_signal, &s_signal);
+ floatinlet_new(&x->x_obj, &x->x_factor);
+ x->x_f = 0;
+ if(factor) x->x_factor = factor;
+ else x->x_factor = 0;
+ return (x);
+}
+
+static t_int *chop_tilde_perform(t_int *w)
+{
+ t_chop_tilde *x = (t_chop_tilde *)(w[1]);
+ t_float *in1 = (t_float *)(w[2]);
+ t_float *in2 = (t_float *)(w[3]);
+ t_float *out = (t_float *)(w[4]);
+ int n = (int)(w[5]);
+ float f, m, value;
+ while (n--)
+ {
+ f = *in1++;
+ m = *in2++;
+ if(m > 0.) value = f * x->x_factor;
+ else value = f;
+ *out++ = value;
+ }
+ return (w+6);
+}
+
+static void chop_tilde_dsp(t_chop_tilde *x, t_signal **sp)
+{
+ dsp_add(chop_tilde_perform, 5, x, sp[0]->s_vec, sp[1]->s_vec, sp[2]->s_vec, sp[0]->s_n);
+}
+
+void chop_tilde_setup(void)
+{
+ chop_tilde_class = class_new(gensym("chop~"), (t_newmethod)chop_tilde_new, 0,
+ sizeof(t_chop_tilde), 0, A_DEFFLOAT, 0);
+ CLASS_MAINSIGNALIN(chop_tilde_class, t_chop_tilde, x_f);
+ class_addmethod(chop_tilde_class, (t_method)chop_tilde_dsp, gensym("dsp"), 0);
+}
|