1/*
2 * This file is part of Libav.
3 *
4 * Libav is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * Libav 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 GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with Libav; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19#ifndef AVCODEC_KBDWIN_H
20#define AVCODEC_KBDWIN_H
21
22/**
23 * Maximum window size for ff_kbd_window_init.
24 */
25#define FF_KBD_WINDOW_MAX 1024
26
27/**
28 * Generate a Kaiser-Bessel Derived Window.
29 * @param   window  pointer to half window
30 * @param   alpha   determines window shape
31 * @param   n       size of half window, max FF_KBD_WINDOW_MAX
32 */
33void ff_kbd_window_init(float *window, float alpha, int n);
34
35#endif /* AVCODEC_KBDWIN_H */
36