FFmpeg
libavcodec
h263.h
Go to the documentation of this file.
1
/*
2
* H.263 internal header
3
*
4
* This file is part of FFmpeg.
5
*
6
* FFmpeg is free software; you can redistribute it and/or
7
* modify it under the terms of the GNU Lesser General Public
8
* License as published by the Free Software Foundation; either
9
* version 2.1 of the License, or (at your option) any later version.
10
*
11
* FFmpeg is distributed in the hope that it will be useful,
12
* but WITHOUT ANY WARRANTY; without even the implied warranty of
13
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14
* Lesser General Public License for more details.
15
*
16
* You should have received a copy of the GNU Lesser General Public
17
* License along with FFmpeg; if not, write to the Free Software
18
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19
*/
20
#ifndef AVCODEC_H263_H
21
#define AVCODEC_H263_H
22
23
#include "
libavutil/rational.h
"
24
#include "
mpegvideo.h
"
25
26
#define FF_ASPECT_EXTENDED 15
27
28
#define H263_GOB_HEIGHT(h) ((h) <= 400 ? 1 : (h) <= 800 ? 2 : 4)
29
30
av_const
int
ff_h263_aspect_to_info
(
AVRational
aspect);
31
int16_t *
ff_h263_pred_motion
(
MpegEncContext
*
s
,
int
block
,
int
dir,
32
int
*px,
int
*py);
33
void
ff_h263_init_rl_inter
(
void
);
34
void
ff_h263_update_motion_val
(
MpegEncContext
*
s
);
35
void
ff_h263_loop_filter
(
MpegEncContext
*
s
);
36
37
#endif
/* AVCODEC_H263_H */
rational.h
av_const
#define av_const
Definition:
attributes.h:84
mpegvideo.h
s
#define s(width, name)
Definition:
cbs_vp9.c:198
ff_h263_init_rl_inter
void ff_h263_init_rl_inter(void)
Definition:
h263.c:47
AVRational
Rational number (pair of numerator and denominator).
Definition:
rational.h:58
ff_h263_update_motion_val
void ff_h263_update_motion_val(MpegEncContext *s)
Definition:
h263.c:53
ff_h263_loop_filter
void ff_h263_loop_filter(MpegEncContext *s)
Definition:
h263.c:94
ff_h263_aspect_to_info
av_const int ff_h263_aspect_to_info(AVRational aspect)
Return the 4 bit value that specifies the given aspect ratio.
Definition:
ituh263enc.c:95
ff_h263_pred_motion
int16_t * ff_h263_pred_motion(MpegEncContext *s, int block, int dir, int *px, int *py)
Definition:
h263.c:179
block
The exact code depends on how similar the blocks are and how related they are to the block
Definition:
filter_design.txt:207
MpegEncContext
MpegEncContext.
Definition:
mpegvideo.h:73
Generated on Wed Dec 11 2024 19:21:36 for FFmpeg by
1.8.17