ISO/IEC 23008-5:2017
(Main)Information technology — High efficiency coding and media delivery in heterogeneous environments — Part 5: Reference software for high efficiency video coding
Information technology — High efficiency coding and media delivery in heterogeneous environments — Part 5: Reference software for high efficiency video coding
ISO/IEC 23008-5:2017 provides accompanying reference software for Rec. ITU-T H.265 | ISO/IEC 23008-2 as an electronic attachment. The software is an integral part of this document. The use of this reference software is not required for making an implementation of an encoder or decoder in conformance to Rec. ITU-T H.265 | ISO/IEC 23008-2. Requirements established in Rec. ITU-T H.265 | ISO/IEC 23008-2 take precedence over the behaviour of the reference software.
Technologies de l'information — Codage à haute efficacité et livraison des médias dans des environnements hétérogènes — Partie 5: Logiciel de référence pour le codage vidéo à haute efficacité
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Standards Content (Sample)
INTERNATIONAL ISO/IEC
STANDARD 23008-5
Second edition
2017-02
Information technology — High
efficiency coding and media delivery
in heterogeneous environments —
Part 5:
Reference software for high efficiency
video coding
Technologies de l’information — Codage à haute efficacité et livraison
des médias dans des environnements hétérogènes —
Partie 5: Logiciel de référence pour le codage vidéo à haute efficacité
Reference number
ISO/IEC 23008-5:2017(E)
©
ISO/IEC 2017
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ISO/IEC 23008-5:2017(E)
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ii © ISO/IEC 2017 – All rights reserved
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ISO/IEC 23008-5:2017(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Conventions . 2
5 Reference software for Rec. ITU-T H.265 | ISO/IEC 23008-2 . 2
© ISO/IEC 2017 – All rights reserved iii
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ISO/IEC 23008-5:2017(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 ISO documents 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 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 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 . i so .org/ iso/ foreword .html.
This document was prepared by ISO/IEC JTC 1, Information technology, SC 29, Coding of audio, picture,
multimedia and hypermedia information.
This second edition cancels and replaces the first edition (ISO/IEC 23008-5:2015), which has been
technically revised. It also incorporates ISO/IEC 23008-5:2015/Amd 1: 2016 and ISO/IEC 23008-
5:2015/Amd 2:2016.
A list of all parts in the ISO/IEC 23008 series can be found on the ISO website.
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ISO/IEC 23008-5:2017(E)
Introduction
This document accompanies reference software for Rec. ITU-T H.265 | ISO/IEC 23008-2. The reference
software includes both encoder and decoder functionality.
Reference software is useful in aiding users of a video coding standard to establish and test conformance
and interoperability and to educate users and demonstrate the capabilities of the standard. For these
purposes, the accompanying software is provided as an aid for the study and implementation of
Rec. ITU-T H.265 | ISO/IEC 23008-2.
The software has been jointly developed by the ITU-T Video Coding Experts Group (VCEG, Question 6 of
ITU-T Study Group 16) and the ISO/IEC Moving Picture Experts Group (MPEG).
Purpose
The purpose of this document is to provide the following:
— reference decoder software capable of decoding bitstreams that conform to
Rec. ITU-T H.265 | ISO/IEC 23008-2 in a manner that conforms to the decoding process specified in
Rec. ITU-T H.265 | ISO/IEC 23008-2;
— reference encoder software capable of producing bitstreams that conform to
Rec. ITU-T H.265 | ISO/IEC 23008-2.
Examples of use
Some examples of uses that may be appropriate for the reference decoder software are as follows:
— as an illustration of how to perform the decoding process specified in Rec. ITU-T H.265 |
ISO/IEC 23008-2;
— as the starting basis for the implementation of a decoder that conforms to Rec. ITU-T H.265 |
ISO/IEC 23008-2;
— for testing the conformance of a decoder implementation with the decoding process specified in
Rec. ITU-T H.265 | ISO/IEC 23008-2 (as the values of the samples in all decoded pictures and the
relative ordering of those pictures will be identical from all conforming decoder implementations that
support the profile and level used in a bitstream that conforms to Rec. ITU-T H.265 | ISO/IEC 23008-2);
— for testing the conformance of a bitstream to th
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