FFmpeg
hevc_sei.h
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1 /*
2  * HEVC Supplementary Enhancement Information messages
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 
21 #ifndef AVCODEC_HEVC_SEI_H
22 #define AVCODEC_HEVC_SEI_H
23 
24 #include <stdint.h>
25 
26 #include "libavutil/buffer.h"
27 
28 #include "get_bits.h"
29 #include "sei.h"
30 
31 
32 typedef enum {
36 
37 typedef struct HEVCSEIPictureHash {
38  uint8_t md5[3][16];
39  uint8_t is_md5;
41 
42 typedef struct HEVCSEIFramePacking {
43  int present;
49 
50 typedef struct HEVCSEIDisplayOrientation {
51  int present;
53  int hflip, vflip;
55 
56 typedef struct HEVCSEIPictureTiming {
59 
60 typedef struct HEVCSEIA53Caption {
63 
64 typedef struct HEVCSEIUnregistered {
68 
69 typedef struct HEVCSEIMasteringDisplay {
70  int present;
71  uint16_t display_primaries[3][2];
72  uint16_t white_point[2];
73  uint32_t max_luminance;
74  uint32_t min_luminance;
76 
77 typedef struct HEVCSEIDynamicHDRPlus {
80 
81 typedef struct HEVCSEIContentLight {
82  int present;
86 
88  int present;
91 
92 typedef struct HEVCSEITimeCode {
93  int present;
94  uint8_t num_clock_ts;
97  uint8_t counting_type[3];
98  uint8_t full_timestamp_flag[3];
99  uint8_t discontinuity_flag[3];
100  uint8_t cnt_dropped_flag[3];
101  uint16_t n_frames[3];
102  uint8_t seconds_value[3];
103  uint8_t minutes_value[3];
104  uint8_t hours_value[3];
105  uint8_t seconds_flag[3];
106  uint8_t minutes_flag[3];
107  uint8_t hours_flag[3];
108  uint8_t time_offset_length[3];
111 
112 typedef struct HEVCSEI {
125 } HEVCSEI;
126 
127 struct HEVCParamSets;
128 
129 int ff_hevc_decode_nal_sei(GetBitContext *gb, void *logctx, HEVCSEI *s,
130  const struct HEVCParamSets *ps, int type);
131 
132 /**
133  * Reset SEI values that are stored on the Context.
134  * e.g. Caption data that was extracted during NAL
135  * parsing.
136  *
137  * @param s HEVCContext.
138  */
140 
141 #endif /* AVCODEC_HEVC_SEI_H */
HEVCSEI::active_seq_parameter_set_id
int active_seq_parameter_set_id
Definition: hevc_sei.h:122
HEVCSEIAlternativeTransfer
Definition: hevc_sei.h:87
HEVCSEI::picture_timing
HEVCSEIPictureTiming picture_timing
Definition: hevc_sei.h:116
HEVCSEIUnregistered
Definition: hevc_sei.h:64
HEVCSEIDisplayOrientation::vflip
int vflip
Definition: hevc_sei.h:53
HEVCSEITimeCode::cnt_dropped_flag
uint8_t cnt_dropped_flag[3]
Definition: hevc_sei.h:100
HEVCSEIPictureHash::is_md5
uint8_t is_md5
Definition: hevc_sei.h:39
HEVCSEITimeCode::time_offset_length
uint8_t time_offset_length[3]
Definition: hevc_sei.h:108
HEVCSEI::display_orientation
HEVCSEIDisplayOrientation display_orientation
Definition: hevc_sei.h:115
HEVCSEITimeCode::present
int present
Definition: hevc_sei.h:93
HEVCSEITimeCode::time_offset_value
int32_t time_offset_value[3]
Definition: hevc_sei.h:109
HEVCSEIFramePacking::current_frame_is_frame0_flag
int current_frame_is_frame0_flag
Definition: hevc_sei.h:47
HEVCSEIAlternativeTransfer::present
int present
Definition: hevc_sei.h:88
ff_hevc_reset_sei
void ff_hevc_reset_sei(HEVCSEI *s)
Reset SEI values that are stored on the Context.
Definition: hevc_sei.c:493
HEVCSEIMasteringDisplay::display_primaries
uint16_t display_primaries[3][2]
Definition: hevc_sei.h:71
HEVCSEITimeCode
Definition: hevc_sei.h:92
ff_hevc_decode_nal_sei
int ff_hevc_decode_nal_sei(GetBitContext *gb, void *logctx, HEVCSEI *s, const struct HEVCParamSets *ps, int type)
HEVCSEIA53Caption
Definition: hevc_sei.h:60
GetBitContext
Definition: get_bits.h:62
type
it s the only field you need to keep assuming you have a context There is some magic you don t need to care about around this just let it vf type
Definition: writing_filters.txt:86
HEVCSEIMasteringDisplay::min_luminance
uint32_t min_luminance
Definition: hevc_sei.h:74
HEVCSEITimeCode::minutes_value
uint8_t minutes_value[3]
Definition: hevc_sei.h:103
HEVCSEIDynamicHDRPlus::info
AVBufferRef * info
Definition: hevc_sei.h:78
s
#define s(width, name)
Definition: cbs_vp9.c:257
HEVCSEI::mastering_display
HEVCSEIMasteringDisplay mastering_display
Definition: hevc_sei.h:119
HEVCSEI
Definition: hevc_sei.h:112
HEVCSEIMasteringDisplay
Definition: hevc_sei.h:69
HEVCSEIPictureHash
Definition: hevc_sei.h:37
get_bits.h
HEVCSEIUnregistered::buf_ref
AVBufferRef ** buf_ref
Definition: hevc_sei.h:65
HEVCSEIFramePacking
Definition: hevc_sei.h:42
HEVCSEI::unregistered
HEVCSEIUnregistered unregistered
Definition: hevc_sei.h:118
HEVC_SEI_PIC_STRUCT_FRAME_TRIPLING
@ HEVC_SEI_PIC_STRUCT_FRAME_TRIPLING
Definition: hevc_sei.h:34
HEVCSEIMasteringDisplay::white_point
uint16_t white_point[2]
Definition: hevc_sei.h:72
HEVCSEITimeCode::num_clock_ts
uint8_t num_clock_ts
Definition: hevc_sei.h:94
HEVCSEIMasteringDisplay::present
int present
Definition: hevc_sei.h:70
HEVCSEITimeCode::seconds_value
uint8_t seconds_value[3]
Definition: hevc_sei.h:102
sei.h
HEVCSEIDisplayOrientation
Definition: hevc_sei.h:50
HEVC_SEI_PicStructType
HEVC_SEI_PicStructType
Definition: hevc_sei.h:32
HEVCSEI::content_light
HEVCSEIContentLight content_light
Definition: hevc_sei.h:121
HEVCSEIPictureHash::md5
uint8_t md5[3][16]
Definition: hevc_sei.h:38
HEVCSEIContentLight::present
int present
Definition: hevc_sei.h:82
HEVCSEI::dynamic_hdr_plus
HEVCSEIDynamicHDRPlus dynamic_hdr_plus
Definition: hevc_sei.h:120
HEVCSEIDisplayOrientation::anticlockwise_rotation
int anticlockwise_rotation
Definition: hevc_sei.h:52
HEVCSEITimeCode::hours_flag
uint8_t hours_flag[3]
Definition: hevc_sei.h:107
HEVC_SEI_PIC_STRUCT_FRAME_DOUBLING
@ HEVC_SEI_PIC_STRUCT_FRAME_DOUBLING
Definition: hevc_sei.h:33
buffer.h
HEVCSEIFramePacking::quincunx_subsampling
int quincunx_subsampling
Definition: hevc_sei.h:46
HEVCSEITimeCode::seconds_flag
uint8_t seconds_flag[3]
Definition: hevc_sei.h:105
HEVCSEITimeCode::discontinuity_flag
uint8_t discontinuity_flag[3]
Definition: hevc_sei.h:99
HEVCSEIDisplayOrientation::hflip
int hflip
Definition: hevc_sei.h:53
HEVCSEIDynamicHDRPlus
Definition: hevc_sei.h:77
HEVCSEITimeCode::clock_timestamp_flag
uint8_t clock_timestamp_flag[3]
Definition: hevc_sei.h:95
HEVCSEITimeCode::counting_type
uint8_t counting_type[3]
Definition: hevc_sei.h:97
HEVCSEIA53Caption::buf_ref
AVBufferRef * buf_ref
Definition: hevc_sei.h:61
HEVCSEIPictureTiming::picture_struct
int picture_struct
Definition: hevc_sei.h:57
HEVCSEI::picture_hash
HEVCSEIPictureHash picture_hash
Definition: hevc_sei.h:113
HEVCSEIFramePacking::present
int present
Definition: hevc_sei.h:43
HEVCSEIMasteringDisplay::max_luminance
uint32_t max_luminance
Definition: hevc_sei.h:73
HEVCSEITimeCode::units_field_based_flag
uint8_t units_field_based_flag[3]
Definition: hevc_sei.h:96
HEVCSEI::frame_packing
HEVCSEIFramePacking frame_packing
Definition: hevc_sei.h:114
HEVCSEITimeCode::minutes_flag
uint8_t minutes_flag[3]
Definition: hevc_sei.h:106
HEVCSEIContentLight::max_pic_average_light_level
uint16_t max_pic_average_light_level
Definition: hevc_sei.h:84
HEVCSEI::timecode
HEVCSEITimeCode timecode
Definition: hevc_sei.h:124
HEVCSEIUnregistered::nb_buf_ref
int nb_buf_ref
Definition: hevc_sei.h:66
AVBufferRef
A reference to a data buffer.
Definition: buffer.h:84
HEVCSEITimeCode::n_frames
uint16_t n_frames[3]
Definition: hevc_sei.h:101
HEVCSEITimeCode::full_timestamp_flag
uint8_t full_timestamp_flag[3]
Definition: hevc_sei.h:98
HEVCSEITimeCode::hours_value
uint8_t hours_value[3]
Definition: hevc_sei.h:104
HEVCSEI::a53_caption
HEVCSEIA53Caption a53_caption
Definition: hevc_sei.h:117
HEVCSEIContentLight
Definition: hevc_sei.h:81
int32_t
int32_t
Definition: audioconvert.c:56
HEVCSEIDisplayOrientation::present
int present
Definition: hevc_sei.h:51
HEVCSEIContentLight::max_content_light_level
uint16_t max_content_light_level
Definition: hevc_sei.h:83
HEVCSEIAlternativeTransfer::preferred_transfer_characteristics
int preferred_transfer_characteristics
Definition: hevc_sei.h:89
HEVCSEIFramePacking::arrangement_type
int arrangement_type
Definition: hevc_sei.h:44
HEVCSEIPictureTiming
Definition: hevc_sei.h:56
HEVCSEIFramePacking::content_interpretation_type
int content_interpretation_type
Definition: hevc_sei.h:45
HEVCSEI::alternative_transfer
HEVCSEIAlternativeTransfer alternative_transfer
Definition: hevc_sei.h:123
HEVCParamSets
Definition: hevc_ps.h:327