0
Introduction
0.1
Prologue
0.2
Purpose
0.3
Applications
0.4
Publication and versions of this Specification
0.5
Profiles, tiers and levels
0.6
Overview of the design characteristics
0.7
How to read this Specification
1
Scope
2
Normative references
2.1
General
2.2
Identical Recommendations | International Standards
2.3
Paired Recommendations | International Standards equivalent in
technical content
2.4
Additional references
3
Definitions
4
Abbreviations
5
Conventions
5.1
General
5.2
Arithmetic operators
5.3
Logical operators
5.4
Relational operators
5.5
Bit-wise operators
5.6
Assignment operators
5.7
Range notation
5.8
Mathematical functions
5.9
Order of operation precedence
5.10
Variables, syntax elements, and tables
5.11
Text description of logical operations
5.12
Processes
6
Bitstream and picture formats, partitionings, scanning processes, and
neighbouring relationships
6.1
Bitstream formats
6.2
Source, decoded, and output picture formats
6.3
Partitioning of pictures, slices, slice segments, tiles, coding tree
units, and coding tree blocks
6.3.1
Partitioning of pictures into slices, slice segments, and tiles
6.3.2
Block and quadtree structures
6.3.3
Spatial or component-wise partionings
6.4
Availability processes
6.4.1
Derivation process for z-scan order block availability
6.4.2
Derivation process for prediction block availability
6.5
Scanning processes
6.5.1
Coding tree block raster and tile scanning conversion process
6.5.2
Z-scan order array initialization process
6.5.3
Up-right diagonal scan order array initialization process
6.5.4
Horizontal scan order array initialization process
6.5.5
Vertical scan order array initialization process
7
Syntax and semantics
7.1
Method of specifying syntax in tabular form
7.2
Specification of syntax functions and descriptors
7.3
Syntax in tabular form
7.3.1
NAL unit syntax
7.3.1.1 General NAL unit syntax
7.3.1.2 NAL unit header syntax
7.3.2
Raw byte sequence payloads, trailing bits, and byte alignment syntax
7.3.2.1 Video parameter set RBSP syntax
7.3.2.2 Sequence parameter set RBSP
syntax
7.3.2.3 Picture parameter set RBSP
syntax
7.3.2.4 Supplemental enhancement
information RBSP syntax
7.3.2.5 Access unit delimiter RBSP
syntax
7.3.2.6 End of sequence RBSP syntax
7.3.2.7 End of bitstream RBSP syntax
7.3.2.8 Filler data RBSP syntax
7.3.2.9 Slice segment layer RBSP syntax
7.3.2.10 RBSP slice segment trailing
bits syntax
7.3.2.11 RBSP trailing bits syntax
7.3.2.12 Byte alignment syntax
7.3.3
Profile, tier and level syntax
7.3.4
Scaling list data syntax
7.3.5
Supplemental enhancement information message syntax
7.3.6
Slice segment header syntax
7.3.6.1 General slice segment header
syntax
7.3.6.2 Reference picture list
modification syntax
7.3.6.3 Weighted prediction parameters
syntax
7.3.7
Short-term reference picture set syntax
7.3.8
Slice segment data syntax
7.3.8.1 General slice segment data
syntax
7.3.8.2 Coding tree unit syntax
7.3.8.3 Sample adaptive offset syntax
7.3.8.4 Coding quadtree syntax
7.3.8.5 Coding unit syntax
7.3.8.6 Prediction unit syntax
7.3.8.7 PCM sample syntax
7.3.8.8 Transform tree syntax
7.3.8.9 Motion vector difference syntax
7.3.8.10 Transform unit syntax
7.3.8.11 Residual coding syntax
7.4
Semantics
7.4.1
General
7.4.2
NAL unit semantics
7.4.2.1 General NAL unit semantics
7.4.2.2 NAL unit header semantics
7.4.2.3 Encapsulation of an SODB within
an RBSP (informative)
7.4.2.4 Order of NAL units and
association to coded pictures, access units, and coded video sequences
7.4.3
Raw byte sequence payloads, trailing bits, and byte alignment semantics
7.4.3.1 Video parameter set RBSP
semantics
7.4.3.2 Sequence parameter set RBSP
semantics
7.4.3.3 Picture parameter set RBSP
semantics
7.4.3.4 Supplemental enhancement
information RBSP semantics
7.4.3.5 Access unit delimiter RBSP
semantics
7.4.3.6 End of sequence RBSP semantics
7.4.3.7 End of bitstream RBSP semantics
7.4.3.8 Filler data RBSP semantics
7.4.3.9 Slice segment layer RBSP
semantics
7.4.3.10 RBSP slice segment trailing
bits semantics
7.4.3.11 RBSP trailing bits semantics
7.4.3.12 Byte alignment semantics
7.4.4
Profile, tier and level semantics
7.4.5
Scaling list data semantics
7.4.6
Supplemental enhancement information message semantics
7.4.7
Slice segment header semantics
7.4.7.1 General slice segment header
semantics
7.4.7.2 Reference picture list
modification semantics
7.4.7.3 Weighted prediction parameters
semantics
7.4.8
Short-term reference picture set semantics
7.4.9
Slice segment data semantics
7.4.9.1 General slice segment data
semantics
7.4.9.2 Coding tree unit semantics
7.4.9.3 Sample adaptive offset
semantics
7.4.9.4 Coding quadtree semantics
7.4.9.5 Coding unit semantics
7.4.9.6 Prediction unit semantics
7.4.9.7 PCM sample semantics
7.4.9.8 Transform tree semantics
7.4.9.9 Motion vector difference
semantics
7.4.9.10 Transform unit semantics
7.4.9.11 Residual coding semantics
8
Decoding process
8.1
General decoding process
8.2
NAL unit decoding process
8.3
Slice decoding process
8.3.1
Decoding process for picture order count
8.3.2
Decoding process for reference picture set
8.3.3
Decoding process for generating unavailable reference pictures
8.3.3.1 General decoding process for
generating unavailable reference pictures
8.3.3.2 Generation of one unavailable
picture
8.3.4
Decoding process for reference picture lists construction
8.4
Decoding process for coding units coded in intra prediction mode
8.4.1
General decoding process for coding units coded in intra prediction mode
8.4.2
Derivation process for luma intra prediction mode
8.4.3
Derivation process for chroma intra prediction mode
8.4.4
Decoding process for intra blocks
8.4.4.1 General decoding process for
intra blocks
8.4.4.2 Intra sample prediction
8.5
Decoding process for coding units coded in inter prediction mode
8.5.1
General decoding process for coding units coded in inter prediction mode
8.5.2
Inter prediction process
8.5.3
Decoding process for prediction units in inter prediction mode
8.5.3.1 General
8.5.3.2 Derivation process for motion
vector components and reference indices
8.5.3.3 Decoding process for inter
prediction samples
8.5.4
Decoding process for the residual signal of coding units coded in inter
prediction mode
8.5.4.1 General
8.5.4.2 Decoding process for luma
residual blocks
8.5.4.3 Decoding process for chroma
residual blocks
8.6
Scaling, transformation and array construction process prior to
deblocking filter process
8.6.1
Derivation process for quantization parameters
8.6.2
Scaling and transformation process
8.6.3
Scaling process for transform coefficients
8.6.4
Transformation process for scaled transform coefficients
8.6.4.1 General
8.6.4.2 Transformation process
8.6.5
Picture construction process prior to in-loop filter process
8.7
In-loop filter process
8.7.1
General
8.7.2
Deblocking filter process
8.7.2.1 General
8.7.2.2 Derivation process of transform
block boundary
8.7.2.3 Derivation process of
prediction block boundary
8.7.2.4 Derivation process of boundary
filtering strength
8.7.2.5 Edge filtering process
8.7.3
Sample adaptive offset process
8.7.3.1 General
8.7.3.2 Coding tree block modification
process
9
Parsing process
9.1
General
9.2
Parsing process for 0-th order Exp-Golomb codes
9.2.1
General
9.2.2
Mapping process for signed Exp-Golomb codes
9.3
CABAC parsing process for slice segment data
9.3.1
General
9.3.2
Initialization process
9.3.2.1 General
9.3.2.2 Initialization process for
context variables
9.3.2.3 Storage process for context
variables
9.3.2.4 Synchronization process for
context variables
9.3.2.5 Initialization process for the
arithmetic decoding engine
9.3.3
Binarization process
9.3.3.1 General
9.3.3.2 Truncated Rice (TR)
binarization process
9.3.3.3 k-th order Exp-Golomb (EGk)
binarization process
9.3.3.4 Fixed-length (FL) binarization
process
9.3.3.5 Binarization process for
part_mode
9.3.3.6 Binarization process for
intra_chroma_pred_mode
9.3.3.7 Binarization process for
inter_pred_idc
9.3.3.8 Binarization process for
cu_qp_delta_abs
9.3.3.9 Binarization process for
coeff_abs_level_remaining
9.3.4
Decoding process flow
9.3.4.1 General
9.3.4.2 Derivation process for
ctxTable, ctxIdx and bypassFlag
9.3.4.3 Arithmetic decoding process
9.3.5
Arithmetic encoding process (informative)
9.3.5.1 General
9.3.5.2 Initialization process for the
arithmetic encoding engine (informative)
9.3.5.3 Encoding process for a binary
decision (informative)
9.3.5.4 Renormalization process in the
arithmetic encoding engine (informative)
9.3.5.5 Bypass encoding process for
binary decisions (informative)
9.3.5.6 Encoding process for a binary
decision before termination (informative)
9.3.5.7 Byte stuffing process
(informative)
10
Sub-bitstream extraction process
Annex A Profiles, tiers and levels
A.1
Overview of profiles, tiers and levels
A.2
Requirements on video decoder capability
A.3
Profiles
A.3.1
General
A.3.2
Main profile
A.3.3
Main 10 profile
A.3.4
Main Still Picture profile
A.4
Tiers and levels
A.4.1
General tier and level limits
A.4.2
Profile-specific level limits for the Main and Main 10 profiles
A.4.3
Effect of level limits on picture rate for the Main and Main 10 profiles
(informative)
Annex B Byte stream format
B.1
General
B.2
Byte stream NAL unit syntax and semantics
B.2.1
Byte stream NAL unit syntax
B.2.2
Byte stream NAL unit semantics
B.3
Byte stream NAL unit decoding process
B.4
Decoder byte-alignment recovery (informative)
Annex C Hypothetical reference decoder
C.1
General
C.2
Operation of coded picture buffer (CPB)
C.2.1
General
C.2.2
Timing of decoding unit arrival
C.2.3
Timing of decoding unit removal and decoding of decoding unit
C.3
Operation of the decoded picture buffer (DPB)
C.3.1
General
C.3.2
Removal of pictures from the DPB
C.3.3
Picture output
C.3.4
Current decoded picture marking and storage
C.4
Bitstream conformance
C.5
Decoder conformance
C.5.1
General
C.5.2
Operation of the output order DPB
C.5.2.1 General
C.5.2.2 Output and removal of pictures
from the DPB
C.5.2.3 Picture decoding, marking,
additional bumping, and storage
C.5.2.4 "Bumping" process
Annex D Supplemental enhancement information
D.1
General
D.2
SEI payload syntax
D.2.1
General SEI message syntax
D.2.2
Buffering period SEI message syntax
D.2.3
Picture timing SEI message syntax
D.2.4 Pan-scan
rectangle SEI message syntax
D.2.5
Filler payload SEI message syntax
D.2.6 User data registered by
Rec. ITU-T T.35 SEI message syntax
D.2.7
User data unregistered SEI message syntax
D.2.8
Recovery point SEI message syntax
D.2.9
Scene information SEI message syntax
D.2.10
Picture snapshot SEI message syntax
D.2.11 Progressive
refinement segment start SEI message syntax
D.2.12 Progressive
refinement segment end SEI message syntax
D.2.13
Film grain characteristics SEI message syntax
D.2.14 Post-filter
hint SEI message syntax
D.2.15
Tone mapping information SEI message syntax
D.2.16
Frame packing arrangement SEI message syntax
D.2.17
Display orientation SEI message syntax
D.2.18
Structure of pictures information SEI message syntax
D.2.19
Decoded picture hash SEI message syntax
D.2.20 Active
parameter sets SEI message syntax
D.2.21
Decoding unit information SEI message syntax
D.2.22
Temporal sub-layer zero index SEI message syntax
D.2.23
Scalable nesting SEI message syntax
D.2.24 Region
refresh information SEI message syntax
D.2.25
Reserved SEI message syntax
D.3
SEI payload semantics
D.3.1
General SEI payload semantics
D.3.2
Buffering period SEI message semantics
D.3.3
Picture timing SEI message semantics
D.3.4
Pan-scan rectangle SEI message semantics
D.3.5
Filler payload SEI message semantics
D.3.6 User data registered by
Rec. ITU-T T.35 SEI message semantics
D.3.7
User data unregistered SEI message semantics
D.3.8
Recovery point SEI message semantics
D.3.9
Scene information SEI message semantics
D.3.10
Picture snapshot SEI message semantics
D.3.11
Progressive refinement segment start SEI message semantics
D.3.12
Progressive refinement segment end SEI message semantics
D.3.13
Film grain characteristics SEI message semantics
D.3.14
Post-filter hint SEI message semantics
D.3.15
Tone mapping information SEI message semantics
D.3.16
Frame packing arrangement SEI message semantics
D.3.17
Display orientation SEI message semantics
D.3.18
Structure of pictures information SEI message semantics
D.3.19
Decoded picture hash SEI message semantics
D.3.20
Active parameter sets SEI message semantics
D.3.21
Decoding unit information SEI message semantics
D.3.22
Temporal sub-layer zero index SEI message semantics
D.3.23
Scalable nesting SEI message semantics
D.3.24
Region refresh information SEI message semantics
D.3.25
Reserved SEI message semantics
Annex E Video usability information
E.1
General
E.2
VUI syntax
E.2.1
VUI parameters syntax
E.2.2
HRD parameters syntax
E.2.3
Sub-layer HRD parameters syntax
E.3
VUI semantics
E.3.1
VUI parameters semantics
E.3.2
HRD parameters semantics
E.3.3
Sub-layer HRD parameters semantics
Bibliography