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/*
* 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 avpriv_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
*
* @return if n is larger than FF_KBD_WINDOW_MAX then AVERROR(ENOMEM) is possible
*/
int avpriv_kbd_window_init(float *window, float alpha, int n);
int avpriv_kbd_window_init_fixed(int32_t *window, float alpha, int n);
#endif /* AVCODEC_KBDWIN_H */
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