FFmpeg
libavcodec
kbdwin.h
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/*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_KBDWIN_H
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#define AVCODEC_KBDWIN_H
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#include <stdint.h>
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/**
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* Maximum window size for ff_kbd_window_init.
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*/
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#define FF_KBD_WINDOW_MAX 1024
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/**
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* Generate a Kaiser-Bessel Derived Window.
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* @param window pointer to half window
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* @param alpha determines window shape
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* @param n size of half window, max FF_KBD_WINDOW_MAX
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*/
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void
ff_kbd_window_init
(
float
*
window
,
float
alpha
,
int
n);
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void
ff_kbd_window_init_fixed
(
int32_t
*
window
,
float
alpha
,
int
n);
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#endif
/* AVCODEC_KBDWIN_H */
window
static SDL_Window * window
Definition:
ffplay.c:361
ff_kbd_window_init
void ff_kbd_window_init(float *window, float alpha, int n)
Generate a Kaiser-Bessel Derived Window.
Definition:
kbdwin.c:54
ff_kbd_window_init_fixed
void ff_kbd_window_init_fixed(int32_t *window, float alpha, int n)
Definition:
kbdwin.c:59
alpha
static const int16_t alpha[]
Definition:
ilbcdata.h:55
int32_t
int32_t
Definition:
audioconvert.c:56
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