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vvc.h
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1 /*
2  * H.266 / VVC shared code
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_VVC_H
22 #define AVCODEC_VVC_H
23 
24 /**
25  * Table 5 – NAL unit type codes and NAL unit type classes
26  * in T-REC-H.266-202008
27  */
48  VVC_PH_NUT = 19,
54  VVC_FD_NUT = 25,
61 };
62 
67 };
68 
69 enum VVCAPSType {
73 };
74 
75 enum {
76  //6.2 we can have 3 sample arrays
78 
79  //7.4.3.3 vps_max_layers_minus1 is u(6)
81 
82  //7.4.3.3 The value of vps_max_sublayers_minus1 shall be in the range of 0 to 6, inclusive
84 
85  //7.3.2.1 dci_num_ptls_minus1 is u(4)
87 
88  //7.4.3.3 vps_num_ptls_minus1 is u(8)
89  VVC_MAX_PTLS = 256,
90 
91  //7.4.3.3 vps_num_output_layer_sets_minus2 is u(8)
93 
94  // 7.3.2.3: vps_video_parameter_set_id is u(4).
96  // 7.3.2.4: sps_seq_parameter_set_id is u(4)
98  // 7.3.2.5: pps_pic_parameter_set_id is u(6)
100 
101  // 7.4.4.1: ptl_num_sub_profiles is u(8)
103 
104  // 7.4.3.18: The variable NumAlfFilters specifying the number of different adaptive loop
105  // filters is set equal to 25.
107 
108  // A.4.2: according to (1577), MaxDpbSize is bounded above by 2 * maxDpbPicBuf(8)
110 
111  //7.4.3.4 sps_num_ref_pic_lists in range [0, 64]
113 
114  //7.4.11 num_ref_entries in range [0, MaxDpbSize + 13]
116 
117  //7.4.3.3 sps_num_points_in_qp_table_minus1[i] in range [0, 36 − sps_qp_table_start_minus26[i]],
118  //and sps_qp_table_start_minus26[i] in range [−26 − QpBdOffset, 36].
119  //so sps_num_points_in_qp_table_minus1[i] should in range [0, 62 + QpBdOffset]
120  //since 16 bits QpBdOffset is 48, sps_num_points_in_qp_table_minus1[i] should range [0, 110]
122 
123  // 7.4.6.1: hrd_cpb_cnt_minus1 is in [0, 31].
125 
126  // A.4.1: the highest level allows a MaxLumaPs of 80,216,064.
127  VVC_MAX_LUMA_PS = 80216064,
128 
129  // A.4.1: pic_width_in_luma_samples and pic_height_in_luma_samples are
130  // constrained to be not greater than sqrt(MaxLumaPs * 8). Hence height/
131  // width are bounded above by sqrt(8 * 80216064) = 25332.4 samples.
132  VVC_MAX_WIDTH = 25332,
133  VVC_MAX_HEIGHT = 25332,
134 
135  // A.4.1: table A.2 allows at most 990 tiles per AU for any level.
137  // A.4.1: table A.2 did not define max tile rows.
138  // in worest a case, we can have 1x990 tiles picture.
140  // A.4.1: table A.2 allows at most 30 tile columns for any level.
142 
143  // A.4.1 table A.2 allows at most 1000 slices for any level.
145 
146  // 7.4.8: in the worst case (!pps_no_pic_partition_flag and
147  // sps_entropy_coding_sync_enabled_flag are both true), entry points can be
148  // placed at the beginning of every Ctb row in every tile, giving an
149  // upper bound of (num_tile_columns_minus1 + 1) * PicHeightInCtbsY - 1.
150  // Only a stream with very high resolution and perverse parameters could
151  // get near that, though, so set a lower limit here with the maximum
152  // possible value for 8K video (at most 135 32x32 Ctb rows).
154 };
155 
156 #endif /* AVCODEC_VVC_H */
VVC_RADL_NUT
@ VVC_RADL_NUT
Definition: vvc.h:31
VVC_RASL_NUT
@ VVC_RASL_NUT
Definition: vvc.h:32
VVC_GDR_NUT
@ VVC_GDR_NUT
Definition: vvc.h:39
VVC_STSA_NUT
@ VVC_STSA_NUT
Definition: vvc.h:30
VVC_MAX_VPS_COUNT
@ VVC_MAX_VPS_COUNT
Definition: vvc.h:95
VVC_DCI_NUT
@ VVC_DCI_NUT
Definition: vvc.h:42
VVC_MAX_REF_ENTRIES
@ VVC_MAX_REF_ENTRIES
Definition: vvc.h:115
VVC_RSV_NVCL_27
@ VVC_RSV_NVCL_27
Definition: vvc.h:56
VVC_MAX_WIDTH
@ VVC_MAX_WIDTH
Definition: vvc.h:132
VVC_MAX_ENTRY_POINTS
@ VVC_MAX_ENTRY_POINTS
Definition: vvc.h:153
VVC_AUD_NUT
@ VVC_AUD_NUT
Definition: vvc.h:49
VVC_MAX_SPS_COUNT
@ VVC_MAX_SPS_COUNT
Definition: vvc.h:97
VVC_RSV_VCL_4
@ VVC_RSV_VCL_4
Definition: vvc.h:33
VVC_MAX_SAMPLE_ARRAYS
@ VVC_MAX_SAMPLE_ARRAYS
Definition: vvc.h:77
VVC_ASP_TYPE_ALF
@ VVC_ASP_TYPE_ALF
Definition: vvc.h:70
VVCAPSType
VVCAPSType
Definition: vvc.h:69
VVCNALUnitType
VVCNALUnitType
Table 5 – NAL unit type codes and NAL unit type classes in T-REC-H.266-202008.
Definition: vvc.h:28
VVC_MAX_REF_PIC_LISTS
@ VVC_MAX_REF_PIC_LISTS
Definition: vvc.h:112
VVC_RSV_NVCL_26
@ VVC_RSV_NVCL_26
Definition: vvc.h:55
VVC_IDR_W_RADL
@ VVC_IDR_W_RADL
Definition: vvc.h:36
VVC_EOS_NUT
@ VVC_EOS_NUT
Definition: vvc.h:50
VVC_MAX_PTLS
@ VVC_MAX_PTLS
Definition: vvc.h:89
VVC_MAX_DPB_SIZE
@ VVC_MAX_DPB_SIZE
Definition: vvc.h:109
VVC_MAX_HEIGHT
@ VVC_MAX_HEIGHT
Definition: vvc.h:133
VVC_UNSPEC_29
@ VVC_UNSPEC_29
Definition: vvc.h:58
VVC_SLICE_TYPE_P
@ VVC_SLICE_TYPE_P
Definition: vvc.h:65
VVC_MAX_CPB_CNT
@ VVC_MAX_CPB_CNT
Definition: vvc.h:124
VVC_MAX_TILES_PER_AU
@ VVC_MAX_TILES_PER_AU
Definition: vvc.h:136
VVC_MAX_SUBLAYERS
@ VVC_MAX_SUBLAYERS
Definition: vvc.h:83
VVC_PREFIX_SEI_NUT
@ VVC_PREFIX_SEI_NUT
Definition: vvc.h:52
VVC_SLICE_TYPE_B
@ VVC_SLICE_TYPE_B
Definition: vvc.h:64
VVC_ASP_TYPE_LMCS
@ VVC_ASP_TYPE_LMCS
Definition: vvc.h:71
VVC_SLICE_TYPE_I
@ VVC_SLICE_TYPE_I
Definition: vvc.h:66
VVC_PH_NUT
@ VVC_PH_NUT
Definition: vvc.h:48
VVC_MAX_POINTS_IN_QP_TABLE
@ VVC_MAX_POINTS_IN_QP_TABLE
Definition: vvc.h:121
VVC_RSV_VCL_6
@ VVC_RSV_VCL_6
Definition: vvc.h:35
VVC_VPS_NUT
@ VVC_VPS_NUT
Definition: vvc.h:43
VVC_MAX_LAYERS
@ VVC_MAX_LAYERS
Definition: vvc.h:80
VVC_UNSPEC_30
@ VVC_UNSPEC_30
Definition: vvc.h:59
VVC_RSV_VCL_5
@ VVC_RSV_VCL_5
Definition: vvc.h:34
VVC_TRAIL_NUT
@ VVC_TRAIL_NUT
Definition: vvc.h:29
VVC_MAX_TILE_ROWS
@ VVC_MAX_TILE_ROWS
Definition: vvc.h:139
VVC_SPS_NUT
@ VVC_SPS_NUT
Definition: vvc.h:44
VVCSliceType
VVCSliceType
Definition: vvc.h:63
VVC_MAX_DCI_PTLS
@ VVC_MAX_DCI_PTLS
Definition: vvc.h:86
VVC_MAX_PPS_COUNT
@ VVC_MAX_PPS_COUNT
Definition: vvc.h:99
VVC_UNSPEC_28
@ VVC_UNSPEC_28
Definition: vvc.h:57
VVC_UNSPEC_31
@ VVC_UNSPEC_31
Definition: vvc.h:60
VVC_SUFFIX_SEI_NUT
@ VVC_SUFFIX_SEI_NUT
Definition: vvc.h:53
VVC_MAX_LUMA_PS
@ VVC_MAX_LUMA_PS
Definition: vvc.h:127
VVC_IDR_N_LP
@ VVC_IDR_N_LP
Definition: vvc.h:37
VVC_NUM_ALF_FILTERS
@ VVC_NUM_ALF_FILTERS
Definition: vvc.h:106
VVC_RSV_IRAP_11
@ VVC_RSV_IRAP_11
Definition: vvc.h:40
VVC_PPS_NUT
@ VVC_PPS_NUT
Definition: vvc.h:45
VVC_MAX_SLICES
@ VVC_MAX_SLICES
Definition: vvc.h:144
VVC_PREFIX_APS_NUT
@ VVC_PREFIX_APS_NUT
Definition: vvc.h:46
VVC_SUFFIX_APS_NUT
@ VVC_SUFFIX_APS_NUT
Definition: vvc.h:47
VVC_MAX_TOTAL_NUM_OLSS
@ VVC_MAX_TOTAL_NUM_OLSS
Definition: vvc.h:92
VVC_ASP_TYPE_SCALING
@ VVC_ASP_TYPE_SCALING
Definition: vvc.h:72
VVC_CRA_NUT
@ VVC_CRA_NUT
Definition: vvc.h:38
VVC_FD_NUT
@ VVC_FD_NUT
Definition: vvc.h:54
VVC_OPI_NUT
@ VVC_OPI_NUT
Definition: vvc.h:41
VVC_MAX_SUB_PROFILES
@ VVC_MAX_SUB_PROFILES
Definition: vvc.h:102
VVC_EOB_NUT
@ VVC_EOB_NUT
Definition: vvc.h:51
VVC_MAX_TILE_COLUMNS
@ VVC_MAX_TILE_COLUMNS
Definition: vvc.h:141