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1、 Reference number ISO/IEC 15938-7:2003/Amd.2:2007(E) ISO/IEC 2007 INTERNATIONAL STANDARD ISO/IEC 15938-7 First edition 2003-12-01 AMENDMENT 2 2007-07-01 Information technology Multimedia content description interface Part 7: Conformance testing AMENDMENT 2: Fast access extensions conformance Technol
2、ogies de linformation Description de linterface du contenu multimdia Partie 7: Essais de conformit AMENDEMENT 2: Conformit des extensions daccs rapide Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=IHS Employees/1111111001, User=DAWSON, DAVIS
3、 Not for Resale, 07/03/2007 01:32:25 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC 15938-7:2003/Amd.2:2007(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
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6、ber 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 2007 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form
7、 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 4
8、7 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO/IEC 2007 All rights reserved Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=IHS Employees/1111111001, User=DAWSON, DAVIS Not for Resale, 07/03/2007 01:32:25 MDTNo repro
9、duction or networking permitted without license from IHS -,-,- ISO/IEC 15938-7:2003/Amd.2:2007(E) ISO/IEC 2007 All rights reserved iii Foreword ISO (the International Organization for Standardization) and IEC (the International Electrotechnical Commission) form the specialized system for worldwide s
10、tandardization. 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 field
11、s 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
12、 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 Internation
13、al 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. Amendme
14、nt 2 to ISO/IEC 15938-7:2003 was prepared by Joint Technical Committee ISO/IEC JTC 1, Information technology, Subcommittee SC 29, Coding of audio, picture, multimedia and hypermedia information. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=
15、IHS Employees/1111111001, User=DAWSON, DAVIS Not for Resale, 07/03/2007 01:32:25 MDTNo reproduction or networking permitted without license from IHS -,-,- Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=IHS Employees/1111111001, User=DAWSON, D
16、AVIS Not for Resale, 07/03/2007 01:32:25 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC 15938-7:2003/Amd.2:2007(E) ISO/IEC 2007 All rights reserved 1 Information technology Multimedia content description interface Part 7: Conformance testing AMENDMENT 2: Fast acces
17、s extensions conformance Add the following subclause: 4.2.3 Conformance testing of random access terminals The conformance testing involves the comparison of the result of processing (searching) an index access unit stream and search criteria with the test terminal, against the conformance pass/fail
18、 criteria associated with the stream. Pass/Fail criteria has been selected as the conformance test, rather then comparison with reference terminal, as the random access processing is not an interoperability point. As such different implementations may express the same result quite differently. The p
19、ass/fail criteria specifies what information shall and shall not be returned as the result of a searching process, and not the form that the result shall take. Figure Amd2.1 shows an overview of conformance testing of ISO/IEC 15938 terminals only composed of a systems random access decoder. Figure A
20、md2.2 shows an overview of conformance testing of ISO/IEC 15938 terminals composed of random access decoder, systems decoder, and a validating parser. The conformance testing of the terminal checks two things: Does the test terminal provide the same results set for the given search criteria as the c
21、onformance pass criteria for the index stream? Does the test terminal provide the same results for the reconstructed XML document representation as the reference terminal? Systems Random Decoder Pass/Fail Criteria Index stream Search Criteria Result Compare Figure Amd2.1 Overview of conformance test
22、ing of random access terminal Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=IHS Employees/1111111001, User=DAWSON, DAVIS Not for Resale, 07/03/2007 01:32:25 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC 15
23、938-7:2003/Amd.2:2007(E) 2 ISO/IEC 2007 All rights reserved Reference Systems Decoder Reference DDL Validating parser Schema Description stream (access units) Validity / PSV Infoset Reconstructed Description Test Systems Decoder Test DDL Validating parser Validity / PSV Infoset Reconstructed Descrip
24、tion Compare Compare Systems Validation Test Systems Random Access Decoder Reference Systems Random Access Decoder Index stream (index access units) Search Criteria AU references AU references Figure Amd2.2 Overview of conformance testing of random access systems based validating terminals Add the f
25、ollowing subclause: 5.10 Systems Random Access (Indexing) Encoder The Systems Random Access (Indexing) Encoder consumes a textual XML description, producing a random access index in index access unit form and a description in binary access unit form. Conformance testing of the Systems Random Access
26、(Indexing) Encoder is not provided. Add the following subclause: 5.11 Systems Random Access (Indexing) in Index Access Unit Form The bitstream in index access unit form, together with its IndexDecoderInit and associated binary access unit bitstream and DecoderInit, are fed to the binary reference sy
27、stems random access decoders. The search criteria, specified in the bitstreams associated pass/fail criteria document, is fed to the binary reference systems random access decoders. The decoded information is used to create a results set of fragment references after each search criteria. Each result
28、ing results set of fragment references is compared against the pass/fail criteria specified in the bitstreams associated pass/fail criteria document. The following conditions must be fulfilled as a necessary condition for each binary bitstream in index access unit form: The syntax of each index acce
29、ss unit as well as the syntax of the IndexDecoderInit, must have correct syntax with respect to the Indexing syntax defined in Clause 10 of ISO/IEC 15938-1:2002. The syntax of each binary access unit as well as the syntax of the binary DecoderInit must comply with subclause 5.8 of this specification
30、. Each bitstream, or collection of bitstreams, in index access unit form shall be accompanied by an associated pass/fail conformance document. The associated pass/fail conformance document shall define the search criteria and the conformance pass/fail criteria for each conformance test. Copyright In
31、ternational Organization for Standardization Provided by IHS under license with ISO Licensee=IHS Employees/1111111001, User=DAWSON, DAVIS Not for Resale, 07/03/2007 01:32:25 MDTNo reproduction or networking permitted without license from IHS -,-,- ISO/IEC 15938-7:2003/Amd.2:2007(E) ISO/IEC 2007 All
32、rights reserved 3 After each search criteria defined in the associated pass/fail criteria document has been applied, the results set shall match the pass criteria specified in the associated pass/fail criteria document. Add the following subclause: 5.12 Systems Random Access (Indexing) Decoder The S
33、ystems Random Access (Indexing) Decoder consumes an index in index access unit form, and a search criteria and produces a results set of fragment references, as described in ISO/IEC 15938-1. Conformance testing of the Systems Random Access Decoder involves checking whether the results set of the Sys
34、tems Random Access Decoder is equivalent to that specified in the pass/fail criteria document associated with the index access unit bitstream. The Test Systems Random Access Decoder is said to be compliant if it produces a results set that matches that specified in the conformance test bitstreams as
35、sociated pass criteria. The Test Systems Random Access Decoder is not compliant if it returns a results set with more, or less, fragment references than stated in the pass/fail criteria document. In 6.5.1 Introduction, replace first and second sentences with the following: “The Systems Conformance B
36、itstreams consist of streams for BiM conformance, TeM conformance, and Random Access (Indexing) conformance. Table 1, Table 2 and Table Amd2.1 summarize the Systems Conformance Bitstreams.” Add the following subclause: 6.5.1.3 Systems Random Access (Indexing) Conformance Bitstreams. Table Amd2.1 sum
37、marizes the Systems Random Access (Indexing) conformance bitstreams. Table Amd2.1 Systems Random Access (Indexing) Conformance Bitstreams Conformance Stream Index Decoder Init Index Configuration String Encoding Value Encoding BTree Path Index Literal Path Index BiM Stream Reference Formats Value Su
38、b Index 1 IndexDecoderInit1.1 1 IndexDecoderInit1.2 ? 2 IndexConfiguration2.1 2 IndexConfiguration2.3 ? Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=IHS Employees/1111111001, User=DAWSON, DAVIS Not for Resale, 07/03/2007 01:32:25 MDTNo repr
39、oduction or networking permitted without license from IHS -,-,- ISO/IEC 15938-7:2003/Amd.2:2007(E) 4 ISO/IEC 2007 All rights reserved 3 StringEncoding3.1 3 StringEncoding3.8 ? 4 ValueEncoding4.1 4 ValueEncoding4.2 ? 5 BTreePathIndex5.1 5 BTreePathIndex5.6 ? 6 LiteralPathIndex6.1 6 LiteralPathIndex6.
40、2 ? 7 BiMReferenceFormats7.1 7 BiMReferenceFormats7.11 ? 8 ValueSubIndex8.1 8 ValueSubIndex8.3 ? Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=IHS Employees/1111111001, User=DAWSON, DAVIS Not for Resale, 07/03/2007 01:32:25 MDTNo reproductio
41、n or networking permitted without license from IHS -,-,- Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=IHS Employees/1111111001, User=DAWSON, DAVIS Not for Resale, 07/03/2007 01:32:25 MDTNo reproduction or networking permitted without licens
42、e from IHS -,-,- ISO/IEC 15938-7:2003/Amd.2:2007(E) ICS 35.040 Price based on 4 pages ISO/IEC 2007 All rights reserved Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=IHS Employees/1111111001, User=DAWSON, DAVIS Not for Resale, 07/03/2007 01:32:25 MDTNo reproduction or networking permitted without license from IHS -,-,-