ISO/IEC INTERNATIONAL STANDARD 14496-4 Second edition 2004-12-15 Information technology Coding of audio-visual objects - Part 4: Conformance testing Technologies de I'information - Codage des objets audiovisuels Partie 4: Essai de conformité Reference number ISO/IEC 14496-4:2004(E) ISO IEC @ ISO/IEC 2004 IHSunder Not for Resale ISO/IEC 14496-4:2004(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/IEC2004 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 CyheationalganzaiStandardizati @ISO/IEC2004-All rights reserved ted without license from IHS Not for Resale ISO/IEC 14496-4:2004(E) Contents Page Foreword Introduction . vili 1 Scope 2 Normative references.. 3 Terms and definitions.... 4 Systems.. 4.1 Conformance Points .. 4.1.1 FlexMux Conformance Point .. 4.1.2 Sync Layer Conformance Point... 4.1.3 OD Conformance Point... 4.1.4 BIFS Conformance Point... 4.1.5 OcI Conformance Point... 4.1.6 IPMP Conformance Point .. 4.1.7 Scene Graph Conformance Point.. 4.2 Bitstream Conformance . 4.2.1 FlexMux Conformance.. 4.2.2 Synchronization Layer Conformance.. 4.2.3 OD Conformance.. 4.2.4 BIFS Conformance. 4.2.5 OcI Conformance... 4.2.6 IPMP Conformance 6 4.2.7 Miscellaneous Conformance . 4.3 Terminal Conformance. 4.3.1 FlexMux conformance 4.3.2 Synchronization Layer Conformance. 4.3.3 OD Conformance .10 4.3.4 BIFSConformance .13 4.3.5 OcI Conformance.. .14 4.3.6 IPMPConformance 14 4.3.7 Scene Graph Conformance.. .14 4.3.8 Miscellaneous Conformance 15 4.4 Test material and test suites. .15 4.4.1 Parsing Hint File Format... .16 4.4.2 Scene Dump File Format .18 4.4.3 TestSuites 20 ii from IHS Not for Resale ISO/IEC14496-4:2004(E) 4.5 AdvancedBIFS 27 4.5.1 Bitstream conformance 4.5.2 Terminal conformance 4.6 MPEG-J.... 4.6.1 MPEG-J Conformance Points .... 4.6.2 Bitstream Conformance.. 4.6.3 Terminal Conformance 4.7 MP4 File Format. 4.7.1 Writing... 4.7.2 Reading . 5 Visual. 5.1 Introduction.. ...31 5.2 Definition of visual bitstream compliance. ..32 5.2.1 Requirements and restrictions related to profile-and-level.... ...32 5.2.2 Additional restrictions on bitstream applied by the encoder .. 5.2.3 Encoderreguirementsandrecommendations. ..32 5.3 Procedure for testing bitstream compliance.. ..33 5.4 Definition of visual decoder compliance .. ..34 5.4.1 Requirement on arithmetic accuracy in video objects (without IDcT).. ..34 5.4.2 Requirement on arithmetic accuracy in video objects (with IDcT).. ...35 5.4.3 Requirement on arithmetic accuracy in scalable still texture object (without IDwT).... ..35 5.4.4 Requirement on arithmetic accuracy in scalable still texture (with IDWT) ...36 5.4.5 Requirement on output of the decoding process and timing... ...36 5.4.6 Recommendations 5.5 Procedure to test decoder compliance. ...36 5.5.1 Static tests. ...36 5.5.2 Dynamic tests . ..37 5.5.3 Specification of the test bitst