FFmpeg
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
kbdwin.h
Go to the documentation of this file.
1 /*
2  * This file is part of FFmpeg.
3  *
4  * FFmpeg 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  * FFmpeg 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 FFmpeg; 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 #include <stdint.h>
23 
24 /**
25  * Maximum window size for ff_kbd_window_init.
26  */
27 #define FF_KBD_WINDOW_MAX 1024
28 
29 /**
30  * Generate a Kaiser-Bessel Derived Window.
31  * @param window pointer to half window
32  * @param alpha determines window shape
33  * @param n size of half window, max FF_KBD_WINDOW_MAX
34  */
35 void ff_kbd_window_init(float *window, float alpha, int n);
36 void ff_kbd_window_init_fixed(int32_t *window, float alpha, int n);
37 
38 #endif /* AVCODEC_KBDWIN_H */
static double alpha(void *priv, double x, double y)
Definition: vf_geq.c:99
int32_t
int n
Definition: avisynth_c.h:684
void ff_kbd_window_init_fixed(int32_t *window, float alpha, int n)
Definition: kbdwin.c:49
void ff_kbd_window_init(float *window, float alpha, int n)
Generate a Kaiser-Bessel Derived Window.
Definition: kbdwin.c:26