Information technology — High efficiency coding and media delivery in heterogeneous environments — Part 2: High efficiency video coding — Amendment 2: Main 10 still picture profile

Technologies de l'information — Codage à haute efficacité et livraison des medias dans des environnements hétérogènes — Partie 2: Codage vidéo à haute efficacité — Amendement 2: Profil main 10 pour image fixe

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INTERNATIONAL ISO/IEC
STANDARD 23008-2
Third edition
2017-10-15
AMENDMENT 2
2018-03
Information technology — High
efficiency coding and media delivery
in heterogeneous environments —
Part 2:
High efficiency video coding
AMENDMENT 2: Main 10 still picture
profile
Technologies de l'information — Codage à haute efficacité et livraison
des medias dans des environnements hétérogènes —
Partie 2: Codage vidéo à haute efficacité
AMENDEMENT 2: Profil main 10 pour image fixe
Reference number
ISO/IEC 23008-2:2017/Amd.2:2018(E)
ISO/IEC 2018
---------------------- Page: 1 ----------------------
ISO/IEC 23008-2:2017/Amd.2:2018(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO/IEC 2018

All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may

be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting

on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address

below or ISO’s member body in the country of the requester.
ISO copyright office
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CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO/IEC 2018 – All rights reserved
---------------------- Page: 2 ----------------------
ISO/IEC 23008-2:2017/Amd.2:2018(E)
Foreword

ISO (the International Organization for Standardization) and IEC (the International Electrotechnical

Commission) form the specialized system for worldwide standardization. National bodies that are

members of ISO or IEC participate in the development of International Standards through technical

committees established by the respective organization to deal with particular fields of technical

activity. ISO and IEC technical committees collaborate in fields of mutual interest. Other international

organizations, governmental and non-governmental, in liaison with ISO and IEC, also take part in the

work. In the field of information technology, ISO and IEC have established a joint technical committee,

ISO/IEC JTC 1.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular the different approval criteria needed for

the different types of document should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject

of patent rights. ISO and IEC shall not be held responsible for identifying any or all such patent

rights. Details of any patent rights identified during the development of the document will be in the

Introduction and/or on the ISO list of patent declarations received (see www .iso .org/ patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation on the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to the

World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT) see the following

URL: www .iso .org/ iso/ foreword .html.

This document was prepared by Technical Committee ISO/IEC JTC 1, Information technology,

Subcommittee SC 29, Coding of audio, picture, multimedia and hypermedia information in collaboration

with ITU-T. A technically aligned text is published as ITU-T H.265.
A list of all parts in the ISO/IEC 23008 series can be found on the ISO website.
© ISO/IEC 2018 – All rights reserved iii
---------------------- Page: 3 ----------------------
ISO/IEC 23008-2:2017/Amd.2:2018(E)
Information technology — High efficiency coding and
media delivery in heterogeneous environments —
Part 2:
High efficiency video coding
AMENDMENT 2: Main 10 still picture profile
Clause 3
Replace 3.56 with the following:
3.56
frequency index

one-dimensional or two-dimensional index associated with a transform coefficient prior to the

application of a transform in the decoding process
Delete 3.70, and renumber the current 3.71 through 3.164 as 3.70 through 3.163.
Add the following as 3.164:
3.164
transform

part of the decoding process by which a block of transform coefficients is converted to a block of spatial-

domain values
Replace 3.165 with the following:
3.165
transform block

rectangular MxN block of samples resulting from the same transform in the decoding process

Replace 3.166 with the following:
3.166
transform coefficient

scalar quantity, considered to be in a frequency domain that is associated with a particular one-

dimensional or two-dimensional frequency index in a transform in the decoding process

© ISO/IEC 2018 – All rights reserved 1
---------------------- Page: 4 ----------------------
ISO/IEC 23008-2:2017/Amd.2:2018(E)
Clause 7
Replace 7.3.3 with the following:
7.3.3 Profile, tier and level syntax
profile_tier_level( profilePresentFlag, maxNumSubLayersMinus1 ) { Descriptor
if(profilePresentFlag) {
general_profile_space u(2)
general_tier_flag u(1)
general_profile_idc u(5)
for(j = 0; j < 32; j++)
general_profile_compatibility_flag[ j ] u(1)
general_progressive_source_flag u(1)
general_interlaced_source_flag u(1)
general_non_packed_constraint_flag u(1)
general_frame_only_constraint_flag u(1)

if(general_profile_idc == 4 | | general_profile_compatibility_flag[ 4 ] | |

general_profile_idc == 5 | | general_profile_compatibility_flag[ 5 ] | |

general_profile_idc == 6 | | general_profile_compatibility_flag[ 6 ] | |

general_profile_idc == 7 | | general_profile_compatibility_flag[ 7 ] | |

general_profile_idc == 8 | | general_profile_compatibility_flag[ 8 ] | |

general_profile_idc == 9 | | general_profile_compatibility_flag[ 9 ] | |

general_profile_idc == 10 | | general_profile_compatibility_flag[ 10 ]) {

/* The number of bits in this syntax structure is not affected by this condition */

general_max_12bit_constraint_flag u(1)
general_max_10bit_constraint_flag u(1)
general_max_8bit_constraint_flag u(1)
general_max_422chroma_constraint_flag u(1)
general_max_420chroma_constraint_flag u(1)
general_max_monochrome_constraint_flag u(1)
general_intra_constraint_flag u(1)
general_one_picture_only_constraint_flag u(1)
general_lower_bit_rate_constraint_flag u(1)

if(general_profile_idc == 5 | | general_profile_compatibility_flag[ 5 ] | |

general_profile_idc == 9 | | general_profile_compatibility_flag[ 9 ] | |

general_profile_idc == 10 | | general_profile_compatibility_flag[ 10 ]) {

general_max_14bit_constraint_flag u(1)
general_reserved_zero_33bits u(33)
} else
general_reserved_zero_34bits u(34)

} else if(general_profile_idc == 2 | | general_profile_compatibility_flag[ 2 ]) {

general_reserved_zero_7bits u(7)
general_one_picture_only_constraint_flag u(1)
general_reserved_zero_35bits u(35)
} else
general_reserved_zero_43bits u(43)
2 © ISO/IEC 2018 – All rights reserved
---------------------- Page: 5 ----------------------
ISO/IEC 23008-2:2017/Amd.2:2018(E)
if((general_profile_idc >= 1 && general_profile_idc <= 5) | |
general_profile_idc == 9 | |

general_profile_compatibility_flag[ 1 ] | | general_profile_compatibility_flag[ 2 ] | |

general_profile_compatibility_flag[ 3 ] | | general_profile_compatibility_flag[ 4 ] | |

general_profile_compatibility_flag[ 5 ] | | general_profile_compatibility_flag[ 9 ])

/* The number of bits in this syntax structure is not affected by this condition */

general_inbld_flag u(1)
else
general_reserved_zero_bit u(1)
}
general_level_idc u(8)
for(i = 0; i < maxNumSubLayersMinus1; i++) {
sub_layer_profile_present_flag[ i ] u(1)
sub_layer_level_present_flag[ i ] u(1)
}
if(maxNumSubLayersMinus1 > 0)
for(i = maxNumSubLayersMinus1; i < 8; i++)
reserved_zero_2bits[ i ] u(2)
for(i = 0; i < maxNumSubLayersMinus1; i++) {
if(sub_layer_profile_present_flag[ i ]) {
sub_layer_profile_space[ i ] u(2)
sub_layer_tier_flag[ i ] u(1)
sub_layer_profile_idc[ i ] u(5)
for(j = 0; j < 32; j++)
sub_layer_profile_compatibility_flag[ i ][ j ] u(1)
sub_layer_progressive_source_flag[ i ] u(1)
sub_layer_interlaced_source_flag[ i ] u(1)
sub_layer_non_packed_constraint_flag[ i ] u(1)
sub_layer_frame_only_constraint_flag[ i ] u(1)

if(sub_layer_profile_idc[ i ] == 4 | | sub_layer_profile_compatibility_flag[ i ][ 4 ] | |

sub_layer_profile_idc[ i ] == 5 | | sub_layer_profile_compatibility_flag[ i ][ 5 ] | |

sub_layer_profile_idc[ i ] == 6 | | sub_layer_profile_compatibility_flag[ i ][ 6 ] | |

sub_layer_profile_idc[ i ] == 7 | | sub_layer_profile_compatibility_flag[ i ][ 7 ] | |

sub_layer_profile_idc[ i ] == 8 | | sub_layer_profile_compatibility_flag[ i ][ 8 ] | |

sub_layer_profile_idc[ i ] == 9 | | sub_layer_profile_compatibility_flag[ i ][ 9 ] | |

sub_layer_profile_idc[ i ] == 10 | | sub_layer_profile_compatibility_flag[ i ][ 10 ] ) {

/* The number of bits in this syntax structure is not affected by this condition */

sub_layer_max_12bit_constraint_flag[ i ] u(1)
sub_layer_max_10bit_constraint_flag[ i ] u(1)
sub_layer_max_8bit_constraint_flag[ i ] u(1)
sub_layer_max_422chroma_constraint_flag[ i ] u(1)
sub_layer_max_420chroma_constraint_flag[ i ] u(1)
sub_layer_max_monochrome_constraint_flag[ i ] u(1)
sub_layer_intra_constraint_flag[ i ] u(1)
sub_layer_one_picture_only_constraint_flag[ i ] u(1)
sub_layer_lower_bit_rate_constraint_flag[ i ] u(1)

if(sub_layer_profile_idc[ i ] == 5 | | sub_layer_profile_compatibility_flag[ i ][ 5 ]) {

© ISO/IEC 2018 – All rights reserved 3
---------------------- Page: 6 ----------------------
ISO/IEC 23008-2:2017/Amd.2:2018(E)
sub_layer_max_14bit_constraint_flag[ i ] u(1)
sub_layer_reserved_zero_33bits[ i ] u(33)
} else
sub_layer_reserved_zero_34bits[ i ] u(34)
} else if(sub_layer_profile_idc[ i ] == 2 | |
sub_layer_profile_compatibility_flag[ i ][ 2 ]) {
sub_layer_reserved_zero_7bits[ i ] u(7)
sub_layer_one_picture_only_constraint_flag[ i ] u(1)
sub_layer_reserved_zero_35bits[ i ] u(35)
} else
sub_layer_reserved_zero_43bits[ i ] u(43)

if((sub_layer_profile_idc[ i ] >= 1 && sub_layer_profile_idc[ i ] <= 5) | |

sub_layer_profile_idc[ i ] == 9 | |
sub_layer_profile_compatibility_flag[ 1 ] | |
sub_layer_profile_compatibility_flag[ 2 ] | |
sub_layer_profile_compatibility_flag[ 3 ] | |
sub_layer_profile_compatibility_flag[ 4 ] | |
sub_layer_profile_compatibility_flag[ 5 ] | |
sub_layer_profile_compatibility_flag[ 9 ])

/* The number of bits in this syntax structure is not affected by this condition */

sub_layer_inbld_flag[ i ] u(1)
else
sub_layer_reserved_zero_bit[ i ] u(1)
}
if(sub_layer_level_present_flag[ i ])
sub_layer_level_idc[ i ] u(8)
}
In 7.4.4, delete the two sentences:

“When profilePresentFlag is equal to 1 and one or more of these syntax elements are not present, their

values are inferred to be equal to 0. When general_profile_idc is not equal to 10 and is not in the range

of 4 to 7, inclusive, and general_profile_compatibility_flag[ 10 ] is not equal to 1 and general_profile_

compatibility_flag[ j ] is not equal to 1 for any value of j in the range of 4 to 7, inclusive, the value of each

of these syntax elements shall be equal to 0.”

In 7.4.4, after the semantics of general_reserved_zero_34bits, add the following:

general_reserved_zero_7bits, when present, shall be equal to 0 in bitstreams conforming to this

version of this Specification. Other values for general_reserved_zero_7bits are reserved for future use

by ITU-T | ISO/IEC. Decoders shall ignore the value of general_reserved_zero_7bits.

general_reserved_zero_35bits, when present, shall be equal to 0 in bitstreams conforming to this

version of this Specification. Other values for general_reserved_zero_35bits are reserved for future use

by ITU-T | ISO/IEC. Decoders shall ignore the value of general_reserved_zero_35bits.

4 © ISO/IEC 2018 – All rights reserved
---------------------- Page: 7 ----------------------
ISO/IEC 23008-2:2017/Amd.2:2018(E)

In 7.4.4, replace the paragraph specifying the semantics of sub_layer_profile_space[ i ], sub_layer_tier_

flag[ i ], sub_layer_profile_idc[ i ], etc., with the following:

The semantics of the syntax elements sub_layer_profile_space[ i ], sub_layer_tier_flag[ i ], sub_

layer_profile_idc[ i ], sub_layer_profile_compatibility_flag[ i ][ j ], sub_layer_progressive_

source_flag[ i ], sub_layer_interlaced_source_flag[ i ], sub_layer_non_packed_constraint_

flag[ i ], sub_layer_frame_only_constraint_flag[ i ], sub_layer_max_12bit_constraint_flag[ i ],

sub_layer_max_10bit_constraint_flag[ i ], sub_layer_max_8bit_constraint_flag[ i ], sub_

layer_max_422chroma_constraint_flag[ i ], sub_layer_max_420chroma_constraint_flag[ i ],

sub_layer_max_monochrome_constraint_flag[ i ], sub_layer_intra_constraint_flag[ i ], sub_

layer_one_picture_only_constraint_flag[ i ], sub_layer_lower_bit_rate_constraint_flag[ i ], sub_

layer_max_14bit_constraint_flag, sub_layer_reserved_zero_33bits[ i ], sub_layer_reserved_

zero_34bits[ i ], sub_layer_reserved_zero_7bits[ i ], sub_layer_reserved_zero_35bits[ i ],

sub_layer_reserved_zero_43bits[ i ], sub_layer_inbld_flag[ i ], sub_layer_reserved_zero_bit[ i ],

and sub_layer_level_idc[ i ] are, apart from the specification of the inference of not present values,

the same as the syntax elements general_profile_space, general_tier_flag, general_profile_idc,

general_profile_compatibility_flag[ j ], general_progressive_source_flag, general_interlaced_

source_flag, general_non_packed_constraint_flag, general_frame_only_constraint_flag, general_

max_12bit_constraint_flag, general_max_10bit_constraint_flag, general_max_8bit_constraint_flag,

general_max_422chroma_constraint_flag, general_max_420
...

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