FFmpeg
h264_levels.h
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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  const char *name;
27  uint8_t level_idc;
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;
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  */
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
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:78
H264LevelDescriptor::level_idc
uint8_t level_idc
Definition: h264_levels.h:27
H264LevelDescriptor
Definition: h264_levels.h:25
framerate
int framerate
Definition: h264_levels.c:65
width
#define width
H264LevelDescriptor::constraint_set3_flag
uint8_t constraint_set3_flag
Definition: h264_levels.h:28
profile_idc
int profile_idc
Definition: h264_levels.c:52
H264LevelDescriptor::max_br
uint32_t max_br
Definition: h264_levels.h:32
height
#define height
bitrate
int64_t bitrate
Definition: h264_levels.c:131
H264LevelDescriptor::max_cpb
uint32_t max_cpb
Definition: h264_levels.h:33
H264LevelDescriptor::name
const char * name
Definition: h264_levels.h:26
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
H264LevelDescriptor::max_mvs_per_2mb
uint8_t max_mvs_per_2mb
Definition: h264_levels.h:36