FFmpeg
libavcodec
evc.h
Go to the documentation of this file.
1
/*
2
* EVC definitions and enums
3
* Copyright (c) 2022 Dawid Kozinski <d.kozinski@samsung.com>
4
*
5
* This file is part of FFmpeg.
6
*
7
* FFmpeg is free software; you can redistribute it and/or
8
* modify it under the terms of the GNU Lesser General Public
9
* License as published by the Free Software Foundation; either
10
* version 2.1 of the License, or (at your option) any later version.
11
*
12
* FFmpeg is distributed in the hope that it will be useful,
13
* but WITHOUT ANY WARRANTY; without even the implied warranty of
14
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15
* Lesser General Public License for more details.
16
*
17
* You should have received a copy of the GNU Lesser General Public
18
* License along with FFmpeg; if not, write to the Free Software
19
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20
*/
21
22
#ifndef AVCODEC_EVC_H
23
#define AVCODEC_EVC_H
24
25
// The length field that indicates the length in bytes of the following NAL unit is configured to be of 4 bytes
26
#define EVC_NALU_LENGTH_PREFIX_SIZE (4)
/* byte */
27
#define EVC_NALU_HEADER_SIZE (2)
/* byte */
28
29
/**
30
* @see ISO_IEC_23094-1_2020, 7.4.2.2 NAL unit header semantic
31
* Table 4 - NAL unit type codes and NAL unit type classes
32
*/
33
enum
EVCNALUnitType
{
34
EVC_NOIDR_NUT
= 0,
/* Coded slice of a non-IDR picture */
35
EVC_IDR_NUT
= 1,
/* Coded slice of an IDR picture */
36
EVC_RSV_VCL_NUT02
= 2,
37
EVC_RSV_VCL_NUT03
= 3,
38
EVC_RSV_VCL_NUT04
= 4,
39
EVC_RSV_VCL_NUT05
= 5,
40
EVC_RSV_VCL_NUT06
= 6,
41
EVC_RSV_VCL_NUT07
= 7,
42
EVC_RSV_VCL_NUT08
= 8,
43
EVC_RSV_VCL_NUT09
= 9,
44
EVC_RSV_VCL_NUT10
= 10,
45
EVC_RSV_VCL_NUT11
= 11,
46
EVC_RSV_VCL_NUT12
= 12,
47
EVC_RSV_VCL_NUT13
= 13,
48
EVC_RSV_VCL_NUT14
= 14,
49
EVC_RSV_VCL_NUT15
= 15,
50
EVC_RSV_VCL_NUT16
= 16,
51
EVC_RSV_VCL_NUT17
= 17,
52
EVC_RSV_VCL_NUT18
= 18,
53
EVC_RSV_VCL_NUT19
= 19,
54
EVC_RSV_VCL_NUT20
= 20,
55
EVC_RSV_VCL_NUT21
= 21,
56
EVC_RSV_VCL_NUT22
= 22,
57
EVC_RSV_VCL_NUT23
= 23,
58
EVC_SPS_NUT
= 24,
/* Sequence parameter set */
59
EVC_PPS_NUT
= 25,
/* Picture paremeter set */
60
EVC_APS_NUT
= 26,
/* Adaptation parameter set */
61
EVC_FD_NUT
= 27,
/* Filler data */
62
EVC_SEI_NUT
= 28,
/* Supplemental enhancement information */
63
EVC_RSV_NONVCL29
= 29,
64
EVC_RSV_NONVCL30
= 30,
65
EVC_RSV_NONVCL31
= 31,
66
EVC_RSV_NONVCL32
= 32,
67
EVC_RSV_NONVCL33
= 33,
68
EVC_RSV_NONVCL34
= 34,
69
EVC_RSV_NONVCL35
= 35,
70
EVC_RSV_NONVCL36
= 36,
71
EVC_RSV_NONVCL37
= 37,
72
EVC_RSV_NONVCL38
= 38,
73
EVC_RSV_NONVCL39
= 39,
74
EVC_RSV_NONVCL40
= 40,
75
EVC_RSV_NONVCL41
= 41,
76
EVC_RSV_NONVCL42
= 42,
77
EVC_RSV_NONVCL43
= 43,
78
EVC_RSV_NONVCL44
= 44,
79
EVC_RSV_NONVCL45
= 45,
80
EVC_RSV_NONVCL46
= 46,
81
EVC_RSV_NONVCL47
= 47,
82
EVC_RSV_NONVCL48
= 48,
83
EVC_RSV_NONVCL49
= 49,
84
EVC_RSV_NONVCL50
= 50,
85
EVC_RSV_NONVCL51
= 51,
86
EVC_RSV_NONVCL52
= 52,
87
EVC_RSV_NONVCL53
= 53,
88
EVC_RSV_NONVCL54
= 54,
89
EVC_RSV_NONVCL55
= 55,
90
EVC_UNSPEC_NUT56
= 56,
91
EVC_UNSPEC_NUT57
= 57,
92
EVC_UNSPEC_NUT58
= 58,
93
EVC_UNSPEC_NUT59
= 59,
94
EVC_UNSPEC_NUT60
= 60,
95
EVC_UNSPEC_NUT61
= 61,
96
EVC_UNSPEC_NUT62
= 62
97
};
98
99
// slice type
100
// @see ISO_IEC_23094-1_2020 7.4.5 Slice header semantics
101
//
102
enum
EVCSliceType
{
103
EVC_SLICE_TYPE_B
= 0,
104
EVC_SLICE_TYPE_P
= 1,
105
EVC_SLICE_TYPE_I
= 2
106
};
107
108
enum
{
109
// 7.4.3.1: sps_seq_parameter_set_id is in [0, 15].
110
EVC_MAX_SPS_COUNT
= 16,
111
112
// 7.4.3.2: pps_pic_parameter_set_id is in [0, 63].
113
EVC_MAX_PPS_COUNT
= 64,
114
115
// 7.4.3.3: adaptional_parameter_set_id is in [0, 31].
116
EVC_MAX_APS_COUNT
= 32,
117
118
// 7.4.5: slice header slice_pic_parameter_set_id in [0, 63]
119
EVC_MAX_SH_COUNT
= 64,
120
121
// E.3.2: cpb_cnt_minus1[i] is in [0, 31].
122
EVC_MAX_CPB_CNT
= 32,
123
124
// A.4.1: in table A.1 the highest level allows a MaxLumaPs of 35 651 584.
125
EVC_MAX_LUMA_PS
= 35651584,
126
127
EVC_MAX_NUM_REF_PICS
= 21,
128
129
EVC_MAX_NUM_RPLS
= 64,
130
131
// A.4.1: pic_width_in_luma_samples and pic_height_in_luma_samples are
132
// constrained to be not greater than sqrt(MaxLumaPs * 8). Hence height/
133
// width are bounded above by sqrt(8 * 35651584) = 16888.2 samples.
134
EVC_MAX_WIDTH
= 16888,
135
EVC_MAX_HEIGHT
= 16888,
136
137
// A.4.1: table A.1 allows at most 22 tile rows for any level.
138
EVC_MAX_TILE_ROWS
= 22,
139
// A.4.1: table A.1 allows at most 20 tile columns for any level.
140
EVC_MAX_TILE_COLUMNS
= 20,
141
142
// A.4.1: table A.1 allows at most 600 slice segments for any level.
143
EVC_MAX_SLICE_SEGMENTS
= 600,
144
};
145
146
#endif // AVCODEC_EVC_H
EVC_RSV_NONVCL49
@ EVC_RSV_NONVCL49
Definition:
evc.h:83
EVC_RSV_NONVCL39
@ EVC_RSV_NONVCL39
Definition:
evc.h:73
EVC_APS_NUT
@ EVC_APS_NUT
Definition:
evc.h:60
EVC_UNSPEC_NUT61
@ EVC_UNSPEC_NUT61
Definition:
evc.h:95
EVC_RSV_NONVCL51
@ EVC_RSV_NONVCL51
Definition:
evc.h:85
EVC_RSV_NONVCL52
@ EVC_RSV_NONVCL52
Definition:
evc.h:86
EVC_MAX_SH_COUNT
@ EVC_MAX_SH_COUNT
Definition:
evc.h:119
EVC_RSV_NONVCL36
@ EVC_RSV_NONVCL36
Definition:
evc.h:70
EVC_MAX_NUM_RPLS
@ EVC_MAX_NUM_RPLS
Definition:
evc.h:129
EVC_MAX_TILE_COLUMNS
@ EVC_MAX_TILE_COLUMNS
Definition:
evc.h:140
EVC_MAX_SLICE_SEGMENTS
@ EVC_MAX_SLICE_SEGMENTS
Definition:
evc.h:143
EVC_MAX_CPB_CNT
@ EVC_MAX_CPB_CNT
Definition:
evc.h:122
EVC_RSV_NONVCL33
@ EVC_RSV_NONVCL33
Definition:
evc.h:67
EVC_SLICE_TYPE_B
@ EVC_SLICE_TYPE_B
Definition:
evc.h:103
EVC_RSV_VCL_NUT22
@ EVC_RSV_VCL_NUT22
Definition:
evc.h:56
EVC_RSV_VCL_NUT21
@ EVC_RSV_VCL_NUT21
Definition:
evc.h:55
EVC_IDR_NUT
@ EVC_IDR_NUT
Definition:
evc.h:35
EVC_NOIDR_NUT
@ EVC_NOIDR_NUT
Definition:
evc.h:34
EVC_RSV_NONVCL55
@ EVC_RSV_NONVCL55
Definition:
evc.h:89
EVC_RSV_VCL_NUT19
@ EVC_RSV_VCL_NUT19
Definition:
evc.h:53
EVC_RSV_VCL_NUT14
@ EVC_RSV_VCL_NUT14
Definition:
evc.h:48
EVC_MAX_APS_COUNT
@ EVC_MAX_APS_COUNT
Definition:
evc.h:116
EVC_SEI_NUT
@ EVC_SEI_NUT
Definition:
evc.h:62
EVC_RSV_NONVCL41
@ EVC_RSV_NONVCL41
Definition:
evc.h:75
EVC_RSV_VCL_NUT07
@ EVC_RSV_VCL_NUT07
Definition:
evc.h:41
EVCSliceType
EVCSliceType
Definition:
evc.h:102
EVC_RSV_NONVCL47
@ EVC_RSV_NONVCL47
Definition:
evc.h:81
EVC_RSV_VCL_NUT09
@ EVC_RSV_VCL_NUT09
Definition:
evc.h:43
EVC_UNSPEC_NUT57
@ EVC_UNSPEC_NUT57
Definition:
evc.h:91
EVC_RSV_VCL_NUT23
@ EVC_RSV_VCL_NUT23
Definition:
evc.h:57
EVC_RSV_NONVCL53
@ EVC_RSV_NONVCL53
Definition:
evc.h:87
EVC_RSV_NONVCL43
@ EVC_RSV_NONVCL43
Definition:
evc.h:77
EVC_UNSPEC_NUT58
@ EVC_UNSPEC_NUT58
Definition:
evc.h:92
EVC_RSV_VCL_NUT17
@ EVC_RSV_VCL_NUT17
Definition:
evc.h:51
EVC_RSV_NONVCL30
@ EVC_RSV_NONVCL30
Definition:
evc.h:64
EVC_RSV_VCL_NUT11
@ EVC_RSV_VCL_NUT11
Definition:
evc.h:45
EVC_MAX_PPS_COUNT
@ EVC_MAX_PPS_COUNT
Definition:
evc.h:113
EVC_RSV_NONVCL35
@ EVC_RSV_NONVCL35
Definition:
evc.h:69
EVC_RSV_VCL_NUT13
@ EVC_RSV_VCL_NUT13
Definition:
evc.h:47
EVC_RSV_NONVCL32
@ EVC_RSV_NONVCL32
Definition:
evc.h:66
EVC_RSV_VCL_NUT12
@ EVC_RSV_VCL_NUT12
Definition:
evc.h:46
EVC_RSV_VCL_NUT02
@ EVC_RSV_VCL_NUT02
Definition:
evc.h:36
EVC_RSV_NONVCL54
@ EVC_RSV_NONVCL54
Definition:
evc.h:88
EVC_SLICE_TYPE_I
@ EVC_SLICE_TYPE_I
Definition:
evc.h:105
EVC_RSV_VCL_NUT06
@ EVC_RSV_VCL_NUT06
Definition:
evc.h:40
EVC_MAX_HEIGHT
@ EVC_MAX_HEIGHT
Definition:
evc.h:135
EVC_RSV_VCL_NUT16
@ EVC_RSV_VCL_NUT16
Definition:
evc.h:50
EVC_RSV_VCL_NUT08
@ EVC_RSV_VCL_NUT08
Definition:
evc.h:42
EVCNALUnitType
EVCNALUnitType
Definition:
evc.h:33
EVC_MAX_NUM_REF_PICS
@ EVC_MAX_NUM_REF_PICS
Definition:
evc.h:127
EVC_FD_NUT
@ EVC_FD_NUT
Definition:
evc.h:61
EVC_RSV_VCL_NUT20
@ EVC_RSV_VCL_NUT20
Definition:
evc.h:54
EVC_RSV_NONVCL38
@ EVC_RSV_NONVCL38
Definition:
evc.h:72
EVC_RSV_NONVCL44
@ EVC_RSV_NONVCL44
Definition:
evc.h:78
EVC_RSV_NONVCL40
@ EVC_RSV_NONVCL40
Definition:
evc.h:74
EVC_RSV_VCL_NUT04
@ EVC_RSV_VCL_NUT04
Definition:
evc.h:38
EVC_UNSPEC_NUT59
@ EVC_UNSPEC_NUT59
Definition:
evc.h:93
EVC_RSV_NONVCL37
@ EVC_RSV_NONVCL37
Definition:
evc.h:71
EVC_MAX_TILE_ROWS
@ EVC_MAX_TILE_ROWS
Definition:
evc.h:138
EVC_MAX_SPS_COUNT
@ EVC_MAX_SPS_COUNT
Definition:
evc.h:110
EVC_UNSPEC_NUT56
@ EVC_UNSPEC_NUT56
Definition:
evc.h:90
EVC_PPS_NUT
@ EVC_PPS_NUT
Definition:
evc.h:59
EVC_RSV_VCL_NUT03
@ EVC_RSV_VCL_NUT03
Definition:
evc.h:37
EVC_UNSPEC_NUT62
@ EVC_UNSPEC_NUT62
Definition:
evc.h:96
EVC_RSV_NONVCL31
@ EVC_RSV_NONVCL31
Definition:
evc.h:65
EVC_RSV_NONVCL34
@ EVC_RSV_NONVCL34
Definition:
evc.h:68
EVC_RSV_VCL_NUT10
@ EVC_RSV_VCL_NUT10
Definition:
evc.h:44
EVC_RSV_NONVCL45
@ EVC_RSV_NONVCL45
Definition:
evc.h:79
EVC_MAX_LUMA_PS
@ EVC_MAX_LUMA_PS
Definition:
evc.h:125
EVC_UNSPEC_NUT60
@ EVC_UNSPEC_NUT60
Definition:
evc.h:94
EVC_RSV_NONVCL46
@ EVC_RSV_NONVCL46
Definition:
evc.h:80
EVC_RSV_NONVCL29
@ EVC_RSV_NONVCL29
Definition:
evc.h:63
EVC_SLICE_TYPE_P
@ EVC_SLICE_TYPE_P
Definition:
evc.h:104
EVC_RSV_NONVCL50
@ EVC_RSV_NONVCL50
Definition:
evc.h:84
EVC_RSV_VCL_NUT15
@ EVC_RSV_VCL_NUT15
Definition:
evc.h:49
EVC_SPS_NUT
@ EVC_SPS_NUT
Definition:
evc.h:58
EVC_RSV_NONVCL48
@ EVC_RSV_NONVCL48
Definition:
evc.h:82
EVC_RSV_VCL_NUT18
@ EVC_RSV_VCL_NUT18
Definition:
evc.h:52
EVC_RSV_NONVCL42
@ EVC_RSV_NONVCL42
Definition:
evc.h:76
EVC_MAX_WIDTH
@ EVC_MAX_WIDTH
Definition:
evc.h:134
EVC_RSV_VCL_NUT05
@ EVC_RSV_VCL_NUT05
Definition:
evc.h:39
Generated on Fri Oct 4 2024 19:21:33 for FFmpeg by
1.8.17