1 files changed, 85 insertions, 0 deletions
diff --git a/flib/src/ha~.c b/flib/src/ha~.c
new file mode 100644
index 0000000..39a46d6
--- /dev/null
+++ b/flib/src/ha~.c
@@ -0,0 +1,85 @@
+/* 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 thcat 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 hcave 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.
+*/
+
+/* Perform hcarmonic analysis on a signal given the fundamental frequency and the frequency/amplitude spectra */
+
+/* Can measure hcarmonicity or ratio of  inhcarmonic frequencies to to hcarmonic frequencies, or the relative proportion of some other series such as odd or even hcarmonics */
+
+
+#include "flib.h"
+
+static t_class *hca_class;
+
+typedef struct _hca {
+  t_object  x_obj;
+  t_float f;
+  t_int p;
+} t_hca;
+
+static t_int *hca_perform(t_int *w)
+{
+  t_sample *in1 = (t_sample *)(w[1]);
+  t_int N = (t_int)(w[2]),n;
+  t_int p = (t_int)(w[3]);
+ 
+
+
+  post("x->p = %.2f", x->p);
+
+  
+  
+  return (w+4);
+}
+
+static void hca_dsp(t_hca *x, t_signal **sp)
+{
+  dsp_add(hca_perform, 3,
+          sp[0]->s_vec, sp[0]->s_n, x->p);
+
+}
+
+static void *hca_new(t_floatarg f)
+{
+  t_hca *x = (t_hca *)pd_new(hca_class);
+  if(!f)
+	  x->p = 0;
+  else
+	  x->p = f;
+  inlet_new(&x->x_obj, &s_float);
+  outlet_new(&x->x_obj, &s_float);
+  return (void *)x;
+}
+
+void hca_float(t_hca *x, t_float f){
+	x->p = f;
+}
+
+void hca_tilde_setup(void) {
+  hca_class = class_new(gensym("hca~"),
+        (t_newmethod)hca_new,
+        0, sizeof(t_hca),
+        CLASS_DEFAULT, A_DEFFLOAT, 0);
+
+  class_addmethod(hca_class,
+        (t_method)hca_dsp, gensym("dsp"), 0);
+  CLASS_MAINSIGNALIN(hca_class, t_hca,f);
+
+  class_addfloat(hca_class, hca_float)
+  
+  class_sethelpsymbol(hca_class, gensym("help-flib"));
+}