2 Copyright (C) 2003 Paul Brossier
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 * Big hacks to implement an histogram
33 /** histogram object */
34 typedef struct _aubio_hist_t aubio_hist_t;
36 /** histogram creation
37 * \param flow minimum input
38 * \param fhig maximum input
39 * \param nelems number of histogram columns
40 * \param channels number of channels
42 aubio_hist_t * new_aubio_hist(smpl_t flow, smpl_t fhig, uint_t nelems, uint_t channels);
43 /** histogram deletion */
44 void del_aubio_hist(aubio_hist_t *s);
45 void aubio_hist_do(aubio_hist_t *s, fvec_t * input);
46 void aubio_hist_do_notnull(aubio_hist_t *s, fvec_t * input);
47 smpl_t aubio_hist_mean(aubio_hist_t *s);
48 void aubio_hist_weigth(aubio_hist_t *s);
49 void aubio_hist_dyn_notnull (aubio_hist_t *s, fvec_t *input);