aboutsummaryrefslogtreecommitdiff
path: root/flib/src/clean~.c
diff options
context:
space:
mode:
Diffstat (limited to 'flib/src/clean~.c')
-rw-r--r--flib/src/clean~.c87
1 files changed, 87 insertions, 0 deletions
diff --git a/flib/src/clean~.c b/flib/src/clean~.c
new file mode 100644
index 0000000..1261357
--- /dev/null
+++ b/flib/src/clean~.c
@@ -0,0 +1,87 @@
+/* flib - PD library for feature extraction
+Copyright (C) 2005 Jamie Bullock
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+*/
+
+
+
+/* cleans 'nan' 'inf' '-inf' from an audio vector */
+
+#include "flib.h"
+static t_class *clean_class;
+
+typedef struct _clean {
+ t_object x_obj;
+ t_float f;
+ t_outlet *out_r;
+} t_clean;
+
+static t_int *clean_perform(t_int *w)
+{
+ t_sample *in = (t_sample *)(w[1]);
+ t_sample *out = (t_sample *)(w[2]);
+ t_int N = (t_int)(w[3]);
+ t_clean *x = (t_clean *)(w[4]);
+
+
+ while(N--){
+ if(finite(*in))
+ *out++ = *in++;
+ else
+ *out++ = 0;
+ }
+ return (w+5);
+}
+
+static void clean_dsp(t_clean *x, t_signal **sp)
+{
+ dsp_add(clean_perform, 4,
+ sp[0]->s_vec, sp[1]->s_vec, sp[0]->s_n, x);
+}
+
+static void clean_float(t_clean *x, t_float f)
+{
+ x->f = f;
+ if(!x->f || !finite(x->f))
+ outlet_float(x->out_r, 0);
+ else
+ outlet_float(x->out_r, x->f);
+
+}
+
+
+
+static void *clean_new(void)
+{
+ t_clean *x = (t_clean *)pd_new(clean_class);
+ outlet_new(&x->x_obj, &s_signal);
+ x->out_r = outlet_new(&x->x_obj, &s_float);
+ return (void *)x;
+}
+
+
+void clean_tilde_setup(void) {
+ clean_class = class_new(gensym("clean~"),
+ (t_newmethod)clean_new,
+ 0, sizeof(t_clean),
+ CLASS_DEFAULT, 0);
+
+ CLASS_MAINSIGNALIN(clean_class, t_clean,f);
+ class_addfloat(clean_class, clean_float);
+ class_addmethod(clean_class,
+ (t_method)clean_dsp, gensym("dsp"), 0);
+ class_sethelpsymbol(clean_class, gensym("help-flib"));
+}