ISO_IEC_29341-4-3_2008-Character_PDF_documenten.pdf

ISO/IEC 29341-4-3Edition 1.0 2008-11INTERNATIONAL STANDARD Information technology UPnP Device Architecture Part 4-3:Audio Video Device Control Protocol Level 2 Media Server Device ISO/IEC 29341-4-3:2008(E)THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2008 ISO/IEC,Geneva,Switzerland 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 IEC or IECs member National Committee in the country of the requester.If you have any questions about ISO/IEC copyright or have an enquiry about obtaining additional rights to this publication,please contact the address below or your local IEC member National Committee for further information.IEC Central Office 3,rue de Varemb CH-1211 Geneva 20 Switzerland Email:inmailiec.ch Web:www.iec.ch About the IEC The International Electrotechnical Commission(IEC)is the leading global organization that prepares and publishes International Standards for all electrical,electronic and related technologies.About IEC publications The technical content of IEC publications is kept under constant review by the IEC.Please make sure that you have the latest edition,a corrigenda or an amendment might have been published.?Catalogue of IEC publications:www.iec.ch/searchpub The IEC on-line Catalogue enables you to search by a variety of criteria(reference number,text,technical committee,).It also gives information on projects,withdrawn and replaced publications.?IEC Just Published:www.iec.ch/online_news/justpub Stay up to date on all new IEC publications.Just Published details twice a month all new publications released.Available on-line and also by email.?Electropedia:www.electropedia.org The worlds leading online dictionary of electronic and electrical terms containing more than 20 000 terms and definitions in English and French,with equivalent terms in additional languages.Also known as the International Electrotechnical Vocabulary online.?Customer Service Centre:www.iec.ch/webstore/custserv If you wish to give us your feedback on this publication or need further assistance,please visit the Customer Service Centre FAQ or contact us:Email:csciec.ch Tel.:+41 22 919 02 11 Fax:+41 22 919 03 00 ISO/IEC 29341-4-3Edition 1.0 2008-11INTERNATIONAL STANDARD Information technology UPnP Device Architecture Part 4-3:Audio Video Device Control Protocol Level 2 Media Server Device INTERNATIONAL ELECTROTECHNICAL COMMISSION LICS 35.200 PRICE CODEISBN 2-8318-1006-3 2 29341-4-3 ISO/IEC:2008(E)CONTENTS FOREWORD.4 ORIGINAL UPNP DOCUMENTS(informative).6 1 Overview and Scope.8 1.1 Introduction.8 1.2 Notation.9 1.2.1 Data Types.9 1.2.2 Strings Embedded in Other Strings.10 1.2.3 Extended Backus-Naur Form.10 1.3 Derived Data Types.11 1.3.1 Comma Separated Value(CSV)Lists.11 1.4 Management of XML Namespaces in Standardized DCPs.13 1.4.1 Namespace Prefix Requirements.16 1.4.2 Namespace Names,Namespace Versioning and Schema Versioning.17 1.4.3 Namespace Usage Examples.18 1.5 Vendor-defined Extensions.19 1.6 References.19 2 Device Definitions.23 2.1 Device Type.23 2.2 Device Model.23 2.2.1 Description of Device Requirements.24 2.2.2 Relationships between Services.24 2.3 Theory of Operation.24 2.3.1 Device Discovery.25 2.3.2 Locating Desired Content.25 2.3.3 Preparing to Transfer the Content.25 2.3.4 Controlling the Transfer of the Content.26 2.3.5 Recording Content.26 3 XML Device Description.27 4 Test.29 29341-4-3 ISO/IEC:2008(E)3 LIST OF TABLES Table 1-1:EBNF Operators.11 Table 1-2:CSV Examples.13 Table 1-3:Namespace Definitions.15 Table 1-4:Schema-related Information.16 Table 1-5:Default Namespaces for the AV Specifications.17 Table 2-6:Device Requirements.23 LIST OF FIGURES Figure 1:MediaServer Functional Diagram.9 4 29341-4-3 ISO/IEC:2008(E)INFORMATION TECHNOLOGY UPNP DEVICE ARCHITECTURE Part 4-3:Audio Video Device Control Protocol Level 2 Media Server Device FOREWORD 1)ISO(International Organization for Standardization)and IEC(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.Their preparation is entrusted to technical committees;any ISO and IEC member body interested in the subject dealt with may participate in this preparatory work.International governmental and non-governmental organizations liaising with ISO and IEC also participate in this preparation.2)In the field of information technology,ISO and IEC have established a joint technical committee,ISO/IEC JTC 1.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.3)The formal decisions or agreements of IEC and ISO on technical matters express,as nearly as pos