ISO/IEC INTERNATIONAL STANDARD 14496-21 First edition 2006-11-15 Information technology Coding of audio-visual objects - Part 21: MPEG-J Graphics Framework eXtensions (GFX) Technologies de I'information - Codage des objets audiovisuels - Partie 21: Extensions du cadre graphique (GFX) pour MPEG-J Reference number ISO/IEC 14496-21:2006(E) IEC ISO @ ISO/IEC 2006 Not for Resale ISO/IEC 14496-21:2006(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobe's licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure that the file is suitable for use by IsO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. ?ISO/IEC2006 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either isO at the address below or IsO's member body in the country of the requester. ISO copyright office Case postale 56.CH-1211Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail [email protected] Web www.iso.org Published in Switzerland @ ISO/IEC 2006 - All rights reserved ted without license from IHS Not for Resale ISO/IEC 14496-21:2006(E) Contents Page Foreword iv 1 Scope 2 Normative references 3 Symbolsandabbreviatedterms 4 Notations 5 MPEG-J Graphics Framework eXtension. 5.1 Introduction.. 5.2 Architecture. 5.3 Static view .... 5.4 Dynamic view 20 5.5 Considerations... 24 5.6 Application-specific data in MPEG-J stream . 24 5.7 Applicationdescriptor.... 26 5.8 Terminal properties 27 5.9 Examples (informative) 27 Annex A (normative) GFX API listing. 35 Annex B (normative) Buffers, formats and data types.. 37 Bibliography 38 Copyrght International OrganizationforstandardizationAll rights reserved ii se from IHS Not for Resale ISO/IEC14496-21:2006(E) Foreword Commission) form the specialized system for worldwide standardization. National bodies that are members of ISOorTECparticipateinthedevelopmentofInternationalStandardsthroughtechnicalcommittees 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 technology, ISO and IEC have established a joint technical committee, ISO/IEC JTC 1. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of the joint technical committee is to prepare International Standards. Draft International Standardsadoptedbythejointtechnical committeearecirculatedtonational bodiesforvoting.Publicationas an:lnternational Standard requires approval by at least 75 % of the national bodies casting a vote. 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. Subcommittee Sc 29, Coding of audio, picture, multimedia and hypermedia information. ISO/lEC 14496 consists of the following parts, under the general title Information technology- Coding of audio-visualobjects: Part 1: Systems Part 2: Visual Part 3: Audio Part 4: Conformance testing Part 5:Reference software Part 6: Delivery Multimedia Integration Framework (DMIF) Part 7: Optimized reference software for coding of audio-visual objects [Technical Report] Part 8: Carriage of ISO/IEC