ISO-13522-6-1998.pdf
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1、B C Reference number ISO/IEC 13522-6:1998(E) INTERNATIONAL STANDARD ISO/IEC 13522-6 First edition 1998-10-15 Information technology Coding of multimedia and hypermedia information Part 6: Support for enhanced interactive applications Technologies de linformation Codage de linformation multimdia et h
2、ypermdia Partie 6: Support pour les applications interactives amliores Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 04/04/2007 01:09:23 MDTNo reproduction or networking permitted w
3、ithout license from IHS -,-,- ISO/IEC 13522-6:1998 (E) ISO/IEC 1998 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 fr
4、om the publisher. ISO/IEC Copyright Office Case postale 56 CH-1211 Genve 20 Switzerland Printed in Switzerland ii Contents 1Scope .1 1.1Context of the scope.1 1.2Scope of this part of ISO/IEC 13522.1 2Normative references.2 2.1International standards2 2.2Referenced specifications.3 3Terms and defini
5、tions.3 3.1applet 3 3.2application class3 3.3application programming interface (API).3 3.4attribute .3 3.5class3 3.6exception.3 3.7hypermedia, adj.3 3.8instance.3 3.9interface 4 3.10Java Virtual Machine (JVM).4 3.11method4 3.12MHEG-5 API .4 3.13MHEG-5 InterchangedProgram object4 3.14MHEG-5 object4 3
6、.15MHEG-6, adj. 4 3.16MHEG-6 Applet object 4 3.17MHEG-6 application4 3.18MHEG-6 engine 4 3.19MHEG-6 InterchangedProgram object4 3.20MHEG-6 object4 3.21MHEG-6 profile .4 3.22MHEG-6 program4 3.23multimedia, adj5 3.24multimedia and hypermedia application5 3.25multimedia application.5 3.26operation .5 3
7、.27program.5 3.28Program content interchange format 5 3.29scripting language.5 3.30stack5 3.31system class5 3.32virtual machine (VM).5 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale,
8、04/04/2007 01:09:23 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC ISO/IEC 13522-6:1998 (E) iii 4Symbols and abbreviations 5 5Conformance requirements6 5.1Information object conformance.6 5.1.1Encoding and syntax6 5.1.2Semantics.6 5.1.3Profiles .6 5.2Implementation
9、 conformance .6 5.2.1Conformance requirements6 5.2.2Conformance documentation.7 5.3Application conformance 7 6Structure of this part of ISO/IEC 135228 7MHEG-6 InterchangedProgram class9 7.1InterchangedProgram object syntax.9 7.1.1Syntax of InterchangedProgram class .9 7.1.1.1Name attribute9 7.1.1.2O
10、riginalContent attribute.9 7.1.1.3ContentHook attribute.9 7.1.1.4Shared attribute9 7.1.2Syntax of elementary actions applicable to InterchangedProgram objects10 7.2InterchangedProgram object semantics.10 7.2.1InitiallyAvailable attribute10 7.2.2Scope of InterchangedProgram objects.10 7.2.3Effect of
11、elementary actions applicable to InterchangedProgram objects .11 7.2.3.1Preparation behaviour 11 7.2.3.2Activation behaviour .11 7.2.3.3Deactivation behaviour.12 7.2.3.4Destruction behaviour.12 8Applet class13 8.1Attributes.13 8.1.1Inherited attributes13 8.1.2Own exchanged attributes13 8.1.3Own inte
12、rnal MHEG-5 attributes 13 8.2Events.14 8.3Internal behaviours .14 8.4Effect of MHEG-5 elementary actions 15 8.5Formal description 17 9Virtual machine.18 9.1VM instruction set .18 9.2VM interchange format .18 10Kernel API 19 10.1Specification of the kernel API19 10.2Syntax requirement.19 10.3Semantic
13、s requirement.19 10.4Pragmatics requirement19 11MHEG-5 API.20 11.1Specification of the MHEG-5 API20 11.1.1Design principles20 11.1.2Grades20 11.2Syntax requirement.21 11.3Semantics requirement.21 11.4Pragmatics requirement21 11.5Interworking considerations21 Copyright International Organization for
14、Standardization Provided by IHS under license with ISO Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 04/04/2007 01:09:23 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC 13522-6:1998 (E) ISO/IEC iv 12MHEG-5/JVM interworking provisions22 12.1Pro
15、gram content interchange format 22 12.2Semantics of elementary actions22 12.2.1Call22 12.2.2Fork 23 12.2.3Invoke.23 12.2.4Stop 23 12.2.5MHEG-5 API operations.23 12.3Execution semantics.23 12.3.1Engine bootstrapping24 12.3.2ClassMapper initialisation.24 12.3.3Program preparation.25 12.3.4Program acti
16、vation25 12.3.5Program deactivation25 12.3.6Program destruction.25 12.3.7ClassMapper for Applet26 Annex A (normative) ASN.1 notation 27 Annex B (normative) Textual notation45 Annex C (normative) MHEG-5 API.60 Annex D (informative) Mapping elementary actions to MHEG-5 API operations77 Annex E (inform
17、ative) Relationships between MHEG-6 Applets and World Wide Web applets .81 Annex F (informative) Main features .82 Annex G (informative) IPR issues87 Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=IHS Employees/1111111001, User=Wing, Bernie N
18、ot for Resale, 04/04/2007 01:09:23 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC ISO/IEC 13522-6:1998 (E) v Foreword ISO (the International Organization for Standardization) and IEC (the International Electrotechnical Commission) form the specialised system for wo
19、rldwide standardisation. National bodies that are members of ISO or IEC participate in the development of International Standards through technical committees established by the respective organisation to deal with particular fields of technical activity. ISO and IEC technical committees collaborate
20、 in fields of mutual interest. Other international organisations, 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. Draft International Standards
21、 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. International Standard ISO/IEC 13522-6 was prepared by Joint Technical Committee ISO/IEC JTC 1, I
22、nformation technology, Subcommittee SC 29, Coding of audio, picture, multimedia and hypermedia information. ISO/IEC 13522 consists of the following parts, under the general title Information technology - Coding of multimedia and hypermedia information: -Part 1: MHEG object representation - Base nota
23、tion (ASN.1) -Part 3: MHEG script interchange representation -Part 4: MHEG registration procedure -Part 5: Support for base-level interactive applications -Part 6: Support for enhanced interactive applications -Part 7: Interoperability and conformance testing for ISO/IEC 13522-5 Annexes A to C form
24、an integral part of this part of ISO/IEC 13522. Annexes D to G are for information only. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 04/04/2007 01:09:23 MDTNo reproduction or netw
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- ISO 13522 1998
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