1、 ISO/IEC 29341-4-2 Edition 2.0 2011-09 INTERNATIONAL STANDARD Information technology UPnP device architecture Part 4-2:Audio Video Device Control Protocol Level 2 Media Renderer Device ISO/IEC 29341-4-2:2011(E)colourinside THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2011 ISO/IEC,Geneva,Switzer
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9、formation technology UPnP device architecture Part 4-2:Audio Video Device Control Protocol Level 2 Media Renderer Device INTERNATIONAL ELECTROTECHNICAL COMMISSION K ICS 35.200 PRICE CODE ISBN 978-2-88912-678-1 colourinsideXXX:IEC:2010 1 CONTENTS 1Overview and Scope.21.1Introduction.21.2Notation.31.2
10、.1Data Types.31.2.2Strings Embedded in Other Strings.31.2.3Extended Backus-Naur Form.41.3Derived Data Types.41.3.1Comma Separated Value(CSV)Lists.51.4Management of XML Namespaces in Standardized DCPs.61.4.1Namespace Prefix Requirements.91.4.2Namespace Names,Namespace Versioning and Schema Versioning
11、.101.4.3Namespace Usage Examples.121.5Vendor-defined Extensions.131.5.1Vendor-defined Action Names.131.5.2Vendor-defined State Variable Names.131.5.3Vendor-defined XML Elements and attributes.131.5.4Vendor-defined Property Names.131.6References.132Device Definitions.172.1Device Type.172.2Device Mode
12、l.172.2.1Description of Device Requirements.172.2.2Relationships Between Services.182.3Theory of Operation.182.3.1Device Discovery.192.3.2Preparing to Transfer the Content.192.3.3Controlling the Transfer of the Content.192.3.4Controlling How the Content is Rendered.193XML Device Description.204Test.
13、21 Figure 1 MediaRenderer Functional Diagram.2 Table 1-1 EBNF Operators.4Table 1-2 CSV Examples.6Table 1-3 Namespace Definitions.8Table 1-4 Schema-related Information.9Table 1-5 Default Namespaces for the AV Specifications.10Table 2-6 Device Requirements.1729341-4-2 ISO/IEC:2011(E)INFORMATION TECHNO
14、LOGY UPNP DEVICE ARCHITECTURE Part 4-2:Audio Video Device Control Protocol Level 2 Media Renderer Device FOREWORD 1)ISO(International Organization for Standardization)and IEC(International Electrotechnical Commission)form the specialized system for worldwide standardization.National bodies that are
15、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 organizatio
16、ns 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
