FFmpeg
libavcodec
h264_levels.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_H264_LEVELS_H
20
#define AVCODEC_H264_LEVELS_H
21
22
23
#include <stdint.h>
24
25
typedef
struct
H264LevelDescriptor
{
26
char
name
[4];
// Large enough for all current levels like "4.1"
27
uint8_t
level_idc
;
28
uint8_t
constraint_set3_flag
;
29
uint32_t
max_mbps
;
30
uint32_t
max_fs
;
31
uint32_t
max_dpb_mbs
;
32
uint32_t
max_br
;
33
uint32_t
max_cpb
;
34
uint16_t
max_v_mv_r
;
35
uint8_t
min_cr
;
36
uint8_t
max_mvs_per_2mb
;
37
}
H264LevelDescriptor
;
38
39
/**
40
* Guess the level of a stream from some parameters.
41
*
42
* Unknown parameters may be zero, in which case they are ignored.
43
*/
44
const
H264LevelDescriptor
*
ff_h264_guess_level
(
int
profile_idc
,
45
int64_t
bitrate
,
46
int
framerate
,
47
int
width
,
int
height
,
48
int
max_dec_frame_buffering);
49
50
51
#endif
/* AVCODEC_H264_LEVELS_H */
H264LevelDescriptor::max_mbps
uint32_t max_mbps
Definition:
h264_levels.h:29
H264LevelDescriptor::min_cr
uint8_t min_cr
Definition:
h264_levels.h:35
int64_t
long long int64_t
Definition:
coverity.c:34
ff_h264_guess_level
const H264LevelDescriptor * ff_h264_guess_level(int profile_idc, int64_t bitrate, int framerate, int width, int height, int max_dec_frame_buffering)
Guess the level of a stream from some parameters.
Definition:
h264_levels.c:79
H264LevelDescriptor::level_idc
uint8_t level_idc
Definition:
h264_levels.h:27
H264LevelDescriptor
Definition:
h264_levels.h:25
bitrate
int64_t bitrate
Definition:
av1_levels.c:47
H264LevelDescriptor::constraint_set3_flag
uint8_t constraint_set3_flag
Definition:
h264_levels.h:28
H264LevelDescriptor::name
char name[4]
Definition:
h264_levels.h:26
framerate
float framerate
Definition:
av1_levels.c:29
profile_idc
int profile_idc
Definition:
h264_levels.c:53
H264LevelDescriptor::max_br
uint32_t max_br
Definition:
h264_levels.h:32
height
#define height
Definition:
dsp.h:85
H264LevelDescriptor::max_cpb
uint32_t max_cpb
Definition:
h264_levels.h:33
H264LevelDescriptor::max_fs
uint32_t max_fs
Definition:
h264_levels.h:30
H264LevelDescriptor::max_dpb_mbs
uint32_t max_dpb_mbs
Definition:
h264_levels.h:31
H264LevelDescriptor::max_v_mv_r
uint16_t max_v_mv_r
Definition:
h264_levels.h:34
width
#define width
Definition:
dsp.h:85
H264LevelDescriptor::max_mvs_per_2mb
uint8_t max_mvs_per_2mb
Definition:
h264_levels.h:36
Generated on Thu Oct 10 2024 19:21:23 for FFmpeg by
1.8.17