comparison libs/aubioFullOSXUni/include/aubio/hist.h @ 0:bcb0d40158f4

started audio file loader project - using oF_061

+/*
+	 Copyright (C) 2003 Paul Brossier
+
+	 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+	 */
+
+/** @file
+ *
+ * Histogram function
+ *
+ * Big hacks to implement an histogram
+ */
+
+#ifndef HIST_H
+#define HIST_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** histogram object */
+typedef struct _aubio_hist_t aubio_hist_t;
+
+/** histogram creation 
+ * \param flow minimum input
+ * \param fhig maximum input
+ * \param nelems number of histogram columns
+ * \param channels number of channels 
+ */
+aubio_hist_t * new_aubio_hist(smpl_t flow, smpl_t fhig, ba_uint_t nelems, ba_uint_t channels);
+/** histogram deletion */
+void del_aubio_hist(aubio_hist_t *s);
+/** compute the histogram */
+void aubio_hist_do(aubio_hist_t *s, fvec_t * input);
+/** compute the histogram ignoring null elements */
+void aubio_hist_do_notnull(aubio_hist_t *s, fvec_t * input);
+/** compute the mean of the histogram */
+smpl_t aubio_hist_mean(aubio_hist_t *s); 
+/** weight the histogram */
+void aubio_hist_weigth(aubio_hist_t *s); 
+/** compute dynamic histogram for non-null elements */
+void aubio_hist_dyn_notnull (aubio_hist_t *s, fvec_t *input);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif