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-rw-r--r--source/split~.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/source/split~.c b/source/split~.c
new file mode 100644
index 0000000..0fc5a9d
--- /dev/null
+++ b/source/split~.c
@@ -0,0 +1,72 @@
+/* sIgpAck
+ * for
+ * pure-data
+ * www.weiss-archiv.de */
+
+#include "m_pd.h"
+#ifdef _MSC_VER
+#pragma warning( disable : 4244 )
+#pragma warning( disable : 4305 )
+#endif
+
+/* ------------------------ sp.split~ ----------------------------- */
+/* signal splitter */
+
+static t_class *split_tilde_class;
+
+typedef struct _split_tilde
+{
+ t_object x_obj;
+ float x_f;
+ t_sample x_thres;
+} t_split_tilde;
+
+static void *split_tilde_new(t_floatarg thres)
+{
+ t_split_tilde *x = (t_split_tilde *)pd_new(split_tilde_class);
+ x->x_thres = thres;
+ outlet_new(&x->x_obj, gensym("signal"));
+ outlet_new(&x->x_obj, gensym("signal"));
+ floatinlet_new(&x->x_obj, &x->x_thres);
+ x->x_f = 0;
+ if(thres) x->x_thres = thres;
+ else x->x_thres = 0;
+ return (x);
+}
+
+static t_int *split_tilde_perform(t_int *w)
+{
+ t_split_tilde *x = (t_split_tilde *)(w[1]);
+ t_float *in = (t_float *)(w[2]);
+ t_float *out1 = (t_float *)(w[3]);
+ t_float *out2 = (t_float *)(w[4]);
+ int n = (int)(w[5]);
+ while (n--)
+ {
+ float f = *in++;
+ if(f < x->x_thres)
+ {
+ *out1++ = f;
+ *out2++ = 0;
+ }
+ else if(f >= x->x_thres)
+ {
+ *out1++ = 0;
+ *out2++ = f;
+ }
+ }
+ return (w+6);
+}
+
+static void split_tilde_dsp(t_split_tilde *x, t_signal **sp)
+{
+ dsp_add(split_tilde_perform, 5, x, sp[0]->s_vec, sp[1]->s_vec, sp[2]->s_vec, sp[0]->s_n);
+}
+
+void split_tilde_setup(void)
+{
+ split_tilde_class = class_new(gensym("sp.split~"), (t_newmethod)split_tilde_new, 0,
+ sizeof(t_split_tilde), 0, A_DEFFLOAT, 0);
+ CLASS_MAINSIGNALIN(split_tilde_class, t_split_tilde, x_f);
+ class_addmethod(split_tilde_class, (t_method)split_tilde_dsp, gensym("dsp"), 0);
+}