b699fef45dc229ea1485fdc5f26d53e7ed46e2a2
[ffmpeg.git] / libavcodec / hevc_sei.h
1 /*
2  * HEVC Supplementary Enhancement Information messages
3  *
4  * This file is part of Libav.
5  *
6  * Libav 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  * Libav 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 Libav; 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 {
32     HEVC_SEI_TYPE_BUFFERING_PERIOD                     = 0,
33     HEVC_SEI_TYPE_PICTURE_TIMING                       = 1,
34     HEVC_SEI_TYPE_PAN_SCAN_RECT                        = 2,
35     HEVC_SEI_TYPE_FILLER_PAYLOAD                       = 3,
36     HEVC_SEI_TYPE_USER_DATA_REGISTERED_ITU_T_T35       = 4,
37     HEVC_SEI_TYPE_USER_DATA_UNREGISTERED               = 5,
38     HEVC_SEI_TYPE_RECOVERY_POINT                       = 6,
39     HEVC_SEI_TYPE_SCENE_INFO                           = 9,
40     HEVC_SEI_TYPE_FULL_FRAME_SNAPSHOT                  = 15,
41     HEVC_SEI_TYPE_PROGRESSIVE_REFINEMENT_SEGMENT_START = 16,
42     HEVC_SEI_TYPE_PROGRESSIVE_REFINEMENT_SEGMENT_END   = 17,
43     HEVC_SEI_TYPE_FILM_GRAIN_CHARACTERISTICS           = 19,
44     HEVC_SEI_TYPE_POST_FILTER_HINT                     = 22,
45     HEVC_SEI_TYPE_TONE_MAPPING_INFO                    = 23,
46     HEVC_SEI_TYPE_FRAME_PACKING                        = 45,
47     HEVC_SEI_TYPE_DISPLAY_ORIENTATION                  = 47,
48     HEVC_SEI_TYPE_SOP_DESCRIPTION                      = 128,
49     HEVC_SEI_TYPE_ACTIVE_PARAMETER_SETS                = 129,
50     HEVC_SEI_TYPE_DECODING_UNIT_INFO                   = 130,
51     HEVC_SEI_TYPE_TEMPORAL_LEVEL0_INDEX                = 131,
52     HEVC_SEI_TYPE_DECODED_PICTURE_HASH                 = 132,
53     HEVC_SEI_TYPE_SCALABLE_NESTING                     = 133,
54     HEVC_SEI_TYPE_REGION_REFRESH_INFO                  = 134,
55     HEVC_SEI_TYPE_MASTERING_DISPLAY_INFO               = 137,
56     HEVC_SEI_TYPE_CONTENT_LIGHT_LEVEL_INFO             = 144,
57 } HEVC_SEI_Type;
58
59 typedef struct HEVCSEIPictureHash {
60     uint8_t       md5[3][16];
61     uint8_t is_md5;
62 } HEVCSEIPictureHash;
63
64 typedef struct HEVCSEIFramePacking {
65     int present;
66     int arrangement_type;
67     int content_interpretation_type;
68     int quincunx_subsampling;
69 } HEVCSEIFramePacking;
70
71 typedef struct HEVCSEIDisplayOrientation {
72     int present;
73     int anticlockwise_rotation;
74     int hflip, vflip;
75 } HEVCSEIDisplayOrientation;
76
77 typedef struct HEVCSEI {
78     HEVCSEIPictureHash picture_hash;
79     HEVCSEIFramePacking frame_packing;
80     HEVCSEIDisplayOrientation display_orientation;
81 } HEVCSEI;
82
83 int ff_hevc_decode_nal_sei(GetBitContext *gb, void *logctx, HEVCSEI *s,
84                            int type);
85
86 #endif /* AVCODEC_HEVC_SEI_H */