| /* |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg 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 |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #ifndef AVCODEC_KBDWIN_H |
| #define AVCODEC_KBDWIN_H |
| |
| #include <stdint.h> |
| |
| /** |
| * Maximum window size for ff_kbd_window_init. |
| */ |
| #define FF_KBD_WINDOW_MAX 1024 |
| |
| /** |
| * Generate a Kaiser-Bessel Derived Window. |
| * @param window pointer to half window |
| * @param alpha determines window shape |
| * @param n size of half window, max FF_KBD_WINDOW_MAX |
| */ |
| void ff_kbd_window_init(float *window, float alpha, int n); |
| void ff_kbd_window_init_fixed(int32_t *window, float alpha, int n); |
| |
| #endif /* AVCODEC_KBDWIN_H */ |
