ISO IEC 23007-3-2011 Information technology - Rich media user interfaces - Part 3 Conformance and reference software《信息技术 多功能媒体用户界面 第3部分 一致性与参考软件》.pdf
《ISO IEC 23007-3-2011 Information technology - Rich media user interfaces - Part 3 Conformance and reference software《信息技术 多功能媒体用户界面 第3部分 一致性与参考软件》.pdf》由会员分享,可在线阅读,更多相关《ISO IEC 23007-3-2011 Information technology - Rich media user interfaces - Part 3 Conformance and reference software《信息技术 多功能媒体用户界面 第3部分 一致性与参考软件》.pdf(18页珍藏版)》请在麦多课文档分享上搜索。
1、 Reference number ISO/IEC 23007-3:2011(E) ISO/IEC 2011INTERNATIONAL STANDARD ISO/IEC 23007-3 First edition 2011-07-15 Information technology Rich media user interfaces Part 3: Conformance and reference software Technologies de linformation Interfaces dutilisateur au support riche Partie 3: Conformit
2、 et logiciel de rfrence ISO/IEC 23007-3:2011(E) COPYRIGHT PROTECTED DOCUMENT ISO/IEC 2011 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 pe
3、rmission 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 2011 All right
4、s reservedISO/IEC 23007-3:2011(E) ISO/IEC 2011 All rights reserved iiiContents Page Foreword iv Introduction.v 1 Scope1 2 Normative references1 3 Terms and definitions .1 4 Conformance of Widgets1 4.1 Introduction1 4.2 Conformance of manifests .1 4.3 Conformance of packages2 4.4 Conformance of conte
5、xt information 2 4.5 Conformance of the MPEG-U widget scripts2 5 Conformance of Widget Managers2 6 Conformance Sequences.3 6.1 Introduction3 6.2 Sequences3 6.3 Coverage of MPEG-U features .4 7 Reference software description.7 7.1 Overview and architecture7 7.2 Reference software description.8 Biblio
6、graphy11 ISO/IEC 23007-3:2011(E) iv ISO/IEC 2011 All rights reservedForeword 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 part
7、icipate 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, government
8、al 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.
9、 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 bodi
10、es 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. ISO/IEC 23007-3 was prepared by Joint Technical Committee ISO/IEC JTC 1, I
11、nformation technology, Subcommittee SC 29, Coding of audio, picture, multimedia and hypermedia information. ISO/IEC 23007 consists of the following parts, under the general title Information technology Rich media user interfaces: Part 1: Widgets Part 2: Advanced user interaction (AUI) interfaces Par
12、t 3: Conformance and reference software ISO/IEC 23007-3:2011(E) ISO/IEC 2011 All rights reserved vIntroduction User interfaces represent a crucial feature for many consumer devices and services. User interfaces have recently evolved to support more media types including audio, video, 2D or 3D graphi
13、cs and have become rich media user interfaces. User interfaces are also moving towards a collection of small dedicated applications, called Widgets. Additionally, more and more devices are capable of displaying rich media user interfaces, from desktop computers, to mobile devices, to home appliances
14、 including TV sets. In this heterogeneous environment, users expect a homogeneous, unified experience when interacting with their devices. In ISO/IEC 23007, Widgets can be processed by entities running on different devices, called Widget Managers, in charge of processing and managing the life cycle
15、of the widgets supporting communications with other entities locally or remotely deployed and enabling widget mobility across devices. The objective of ISO/IEC 23007 is to provide normative interfaces between Widgets and Widget Managers, to allow Widgets from different service providers to run, comm
16、unicate and be transferred within a unique framework. ISO/IEC 23007, rich media user interfaces is also known as MPEG-U. ISO/IEC 23007-1 addresses the normative aspects of the MPEG-U Widgets. In particular, it specifies widget packaging formats, aspects for widget communications with external entiti
17、es and for widget mobility. It also contains a technical annex describing a list of use cases and examples to address such use cases. ISO/IEC 23007-2 addresses advanced user interaction (AUI) interfaces. This part of ISO/IEC 23007 addresses reference software and conformance aspects. INTERNATIONAL S
18、TANDARD ISO/IEC 23007-3:2011(E) ISO/IEC 2011 All rights reserved 1Information technology Rich media user interfaces Part 3: Conformance and reference software 1 Scope This part of ISO/IEC 23007 specifies how to test whether data and decoders meet requirements specified by ISO/IEC 23007-1. It also de
19、scribes the procedures for testing the conformance of widgets and widget managers to the requirements defined in ISO/IEC 23007-1. In this part of ISO/IEC 23007, widget generators are not addressed specifically. A generator can be said to be an ISO/IEC 23007 generator if it generates widgets complian
20、t with the syntactic and semantic requirements specified in ISO/IEC 23007-1. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the refer
21、enced document (including any amendments) applies. ISO/IEC 23007-1, Information technology Rich media user interfaces Part 1: Widgets 3 Terms and definitions For the purposes of this document, the terms and definitions given in ISO/IEC 23007-1 apply. 4 Conformance of Widgets 4.1 Introduction Widgets
22、 use standard representations for describing manifests, W3C WPC packages, ISOFF packages and context information. This clause describes how to check conformance of all these representations. 4.2 Conformance of manifests The first step for checking conformance of the MPEG-U XML manifest syntax is to
23、validate the XML document against the relax NG for the configuration document (http:/www.w3.org/TR/widgets/#relax-ng-for-the- configuration-document) provided by the W3C WPC specification. If this step fails, the widget manifest is considered a non-conformant MPEG-U manifest. The second step is to c
24、heck conformance according to the MPEG-U syntax. The electronic attachments of ISO/IEC 23007-1 provide an XML Schema for that purpose. A conformant W3C WPC configuration document is a valid MPEG-U manifest if the XML schema validation succeeds. ISO/IEC 23007-3:2011(E) 2 ISO/IEC 2011 All rights reser
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