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 "get_bits.h"
27 
28 /**
29  * SEI message types
30  */
31 typedef enum {
61 
62 typedef enum {
66 
67 typedef struct HEVCSEIPictureHash {
68  uint8_t md5[3][16];
71 
72 typedef struct HEVCSEIFramePacking {
73  int present;
79 
80 typedef struct HEVCSEIDisplayOrientation {
81  int present;
83  int hflip, vflip;
85 
86 typedef struct HEVCSEIPictureTiming {
89 
90 typedef struct HEVCSEIA53Caption {
93 
94 typedef struct HEVCSEIUnregistered {
98 
99 typedef struct HEVCSEIMasteringDisplay {
100  int present;
101  uint16_t display_primaries[3][2];
102  uint16_t white_point[2];
103  uint32_t max_luminance;
104  uint32_t min_luminance;
106 
107 typedef struct HEVCSEIContentLight {
108  int present;
112 
114  int present;
117 
118 typedef struct HEVCSEITimeCode {
119  int present;
121  uint8_t clock_timestamp_flag[3];
122  uint8_t units_field_based_flag[3];
123  uint8_t counting_type[3];
124  uint8_t full_timestamp_flag[3];
125  uint8_t discontinuity_flag[3];
126  uint8_t cnt_dropped_flag[3];
127  uint16_t n_frames[3];
128  uint8_t seconds_value[3];
129  uint8_t minutes_value[3];
130  uint8_t hours_value[3];
131  uint8_t seconds_flag[3];
132  uint8_t minutes_flag[3];
133  uint8_t hours_flag[3];
134  uint8_t time_offset_length[3];
135  int32_t time_offset_value[3];
137 
138 typedef struct HEVCSEI {
150 } HEVCSEI;
151 
152 struct HEVCParamSets;
153 
154 int ff_hevc_decode_nal_sei(GetBitContext *gb, void *logctx, HEVCSEI *s,
155  const struct HEVCParamSets *ps, int type);
156 
157 /**
158  * Reset SEI values that are stored on the Context.
159  * e.g. Caption data that was extracted during NAL
160  * parsing.
161  *
162  * @param s HEVCContext.
163  */
165 
166 #endif /* AVCODEC_HEVC_SEI_H */
int current_frame_is_frame0_flag
Definition: hevc_sei.h:77
AVBufferRef * buf_ref
Definition: hevc_sei.h:91
GLint GLenum type
Definition: opengl_enc.c:104
uint8_t is_md5
Definition: hevc_sei.h:69
HEVCSEIMasteringDisplay mastering_display
Definition: hevc_sei.h:145
HEVCSEIContentLight content_light
Definition: hevc_sei.h:146
uint8_t
int active_seq_parameter_set_id
Definition: hevc_sei.h:147
HEVCSEIUnregistered unregistered
Definition: hevc_sei.h:144
bitstream reader API header.
int quincunx_subsampling
Definition: hevc_sei.h:76
int content_interpretation_type
Definition: hevc_sei.h:75
uint8_t md5[3][16]
Definition: hevc_sei.h:68
AVBufferRef ** buf_ref
Definition: hevc_sei.h:95
void ff_hevc_reset_sei(HEVCSEI *s)
Reset SEI values that are stored on the Context.
Definition: hevc_sei.c:448
int ff_hevc_decode_nal_sei(GetBitContext *gb, void *logctx, HEVCSEI *s, const struct HEVCParamSets *ps, int type)
int32_t
#define s(width, name)
Definition: cbs_vp9.c:257
HEVCSEIFramePacking frame_packing
Definition: hevc_sei.h:140
uint16_t max_pic_average_light_level
Definition: hevc_sei.h:110
uint8_t num_clock_ts
Definition: hevc_sei.h:120
HEVCSEIPictureHash picture_hash
Definition: hevc_sei.h:139
HEVC_SEI_PicStructType
Definition: hevc_sei.h:62
HEVCSEIPictureTiming picture_timing
Definition: hevc_sei.h:142
A reference to a data buffer.
Definition: buffer.h:81
HEVC_SEI_Type
SEI message types.
Definition: hevc_sei.h:31
HEVCSEIAlternativeTransfer alternative_transfer
Definition: hevc_sei.h:148
HEVCSEIDisplayOrientation display_orientation
Definition: hevc_sei.h:141
uint16_t max_content_light_level
Definition: hevc_sei.h:109
HEVCSEITimeCode timecode
Definition: hevc_sei.h:149
HEVCSEIA53Caption a53_caption
Definition: hevc_sei.h:143