ISO_IEC_14496-20_2008_Amd_1_2009.pdf

Reference numberISO/IEC 14496-20:2008/Amd.1:2009(E)ISO/IEC 2009 INTERNATIONAL STANDARD ISO/IEC14496-20Second edition2008-12-01AMENDMENT 12009-04-01Information technology Coding of audio-visual objects Part 20:Lightweight Application Scene Representation(LASeR)and Simple Aggregation Format(SAF)AMENDMENT 1:Extensions to support SVGT1.2 Technologies de linformation Codage des objets audiovisuels Partie 20:Reprsentation de scne dapplication allge(LASeR)et format dagrgation simple (SAF)AMENDEMENT 1:Extensions pour soutien de SVGT1.2 ISO/IEC 14496-20:2008/Amd.1:2009(E)PDF disclaimer This PDF file may contain embedded typefaces.In accordance with Adobes 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 downloading this file,parties accept therein the responsibility of not infringing Adobes licensing policy.The ISO Central Secretariat 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.COPYRIGHT PROTECTED DOCUMENT ISO/IEC 2009 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 ISOs member body in the country of the requester.ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel.+41 22 749 01 11 Fax +41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO/IEC 2009 All rights reserved ISO/IEC 14496-20:2008/Amd.1:2009(E)ISO/IEC 2009 All rights reserved iii 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.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 Standards adopted by the joint technical committee are circulated to national bodies for voting.Publication as an International 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.Amendment 1 to ISO/IEC 14496-20:2006 was prepared by Joint Technical Committee ISO/IEC JTC 1,Information technology,Subcommittee SC 29,Coding of audio,picture,multimedia and hypermedia information.ISO/IEC 14496-20:2008/Amd.1:2009(E)ISO/IEC 2009 All rights reserved 1 Information technology Coding of audio-visual objects Part 20:Lightweight Application Scene Representation(LASeR)and Simple Aggregation Format(SAF)AMENDMENT 1:Extensions to support SVGT1.2 In Clause 2,add the following reference:W3C SVGT12,Scalable Vector Graphics(SVG)Tiny 1.2 Specification Recommendation,http:/www.w3.org/TR/SVGMobile12/Throughout the document,substitute references to 2 by references to W3C SVGT12 In Table 3,add these lines:“screenOrientationLandscape”urn:mpeg:mpeg4:laser:2005 The screen orientation has changed to typical“landscape”orientation Note screenOrientationLandscape is sent either with screenOrientation0 or screenOrientation180 No No“screenOrientationPortrait”urn:mpeg:mpeg4:laser:2005 The screen orientation has changed to typical“portrait”orientation Note screenOrientationPortrait is sent either with screenOrientation90 or screenOrientation270 No No After 6.5.6.1,add the following subclause:6.5.6.2 ScreenOrientationEvent interface ScreenOrientationEvent:Event readonly attribute unsigned long screenWidth;readonly attribute unsigned long screenHeight;readonly attribute unsigned long screenAngle;No defined constants.Attributes:screenWidth-contains the new screen display or viewport width screenHeight-contains the new screen display or viewport height screenAngle-documents the