BS ISO/IEC 14496-29:2015 BSl Standards Publication Information technology Coding of audio-visual objects Part 29: Web video coding bsi. ..making excellence a habit. BRITISH STANDARD BS ISO/IEC 14496-29:2015 National foreword This British Standard is the UK implementation of ISO/IEC 14496-29:2015. The UK participation in its preparation was entrusted to Technical Committee IST/37, Coding of picture, audio, multimedia and hypermedia information. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. @ The British Standards Institution 2015. Published by BSI Standards Limited 2015 ISBN978058079219 9 ICS 35.040 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 May 2015. Amendments/corrigenda issued since publication Date Text affected British Standards Instution e with BSI - Uncontrolled Co from IHS BS ISO/IEC 14496-29:2015 INTERNATIONAL ISO/IEC STANDARD 14496-29 First edition 2015-04-01 Information technology Coding of audio-visual objects - Part 29: Web video coding Technologies de I'information - Codage des objets audiovisuels Partie 29: Codage vidéo Web Reference number ISO/IEC 14496-29:2015(E) IEC ISO quality and Standardization 5990390 @ISO/IEC2015 HS unde BS ISO/IEC 14496-29:2015 ISO/IEC14496-29:2015(E) COPYRIGHTPROTECTEDDOCUMENT ISO/IEC2014 All rights reserved. Unless otherwise specified, 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. ISO copyright office Case postale 56 · CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland se with BSI - Uncontrolled Copy fromIHS BS ISO/IEC 14496-29:2015 ISO/IEC 14496-29:2015(E) Contents Page 2 Normative references 3 Definitions. Abbreviations .. Conventions... 5.1 Arithmetic operators 5.2 Logical operators.. 5.3 Relational operators . 5.4 Bit-wise operators... 5.5 Assignment operators 5.6 Range notation.. 5.7 Mathematical functions. 5.8 Order of operation precedence. 10 5.9 Variables, syntax elements, and tables.. 1 5.10 Text description of logical operations... 12 5.11 Processes..... 6.1 Bitstream formats ... 6.2 Source, decoded, and output picture formats... 4 6.3 Spatial subdivision of pictures and slices .... 15 6.4 Inverse scanning processes and derivation processes for neighbours 16 7 Syntax and semantics............. 7.1 NormativeSyntax and Semantics 26 7.2 Specification of syntax functions, categories, and descriptors. 28 7.3 Syntax in tabular form.... 30 7.4 Semantics..... 71 8 Decoding process. 70 8.1 NAL unit decoding process 71 8.2 Slice decoding process... 2 8.3 Intra prediction process.. 82 8.4 Inter prediction process . 8.5 Transform coefficient decoding process and picture construction process prior to deblocking filter process . 107 8.6 118 8.7 Deblocking filter process 118 9 Parsing process.. ..126 9.1 Parsing process for Exp-Golomb codes 127 9.2 CAVLC parsing process for transform coefficient levels.... AnnexA(normative)Profiles and levels... A.1 Requirements on video decoder capability.... 142 A.2 Profiles... A.3 Levels.. .143 Annex B (normative) Byte stream format.... B.1 Byte stream NAL unit syntax and semantics.... B.2 Byte stream NAL unit decoding process... 156 B.3 Decoder byte-alignment recovery (informative). 156 ISO/IEC 2014 -All rights reserved ili British Standards Institution Besaleng BS ISO/IEC 14496-29:2015 ISO/IEC 14496-29:2015(E) Contents Page 2 Normative references 3 Definitions. Abbreviations .. Conventions... 5.1 Arithmetic operators 5.2 Logical operators.. 5.3 Relational operators