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Diffstat (limited to 'ffmpeg1/libavcodec/kbdwin.h')
| -rw-r--r-- | ffmpeg1/libavcodec/kbdwin.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/ffmpeg1/libavcodec/kbdwin.h b/ffmpeg1/libavcodec/kbdwin.h new file mode 100644 index 0000000..4b93975 --- /dev/null +++ b/ffmpeg1/libavcodec/kbdwin.h @@ -0,0 +1,35 @@ +/* + * 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 + +/** + * 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); + +#endif /* AVCODEC_KBDWIN_H */ |