ISO/IEC INTERNATIONAL STANDARD 29341-20-12 First edition 2017-09 Information technology UPnP Device Architecture - Part 20-12: Audio video device control protocol - Level 4 Content directory service Technologies de I'information - Architecture de dispositif UPnP- Partie 20-12: Protocole de controle de dispositif audio-vidéo - Niveau 4- Service d'Annuaire de contenu Reference number IS0/IEC29341-20-12:2017(E) TEC s CopyrightInternationalOrganization for Standardization @IS0/IEC 2017 ACKEY, MA out license from IHS IS0/IEC29341-20-12:2017(E) COPYRIGHT PROTECTEDDOCUMENT IS0/IEC 2017, Published in Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address below or ISO's member body in the country of the requester. ISO copyright office Ch. de Blandonnet 8 . CP 401 CH-1214 Vernier, Geneva, Switzerland Tel. +41 22 749 01 11 Fax +41 22 749 09 47 [email protected] www.iso.org @ IS0/IEC 2017 - All rights reserved No reprodu IS0/IEC 29341-20-12:2017(E) CONTENTS Scope 2 Normative references 3 Terms, definitions, symbols and abbreviations.. 3.1 Provisioning terms. 6 3.2 Symbols.. 4 Notations and Conventions. 4.1 Notation. 6 4.1.1 Data Types .. 4.1.2 Strings Embedded in Other Strings.... 6 4.1.3 Extended Backus-Naur Form.... .6 4.2 Derived Data Types.. 4.2.1 Summary .... 4.2.2 Csv Lists..... 4.3 Management of XML Namespaces in Standardized DCPs.. 4.3.1 Namespace Prefix Requirements... 4.3.2 Namespace Names, Namespace Versioning and Schema Versioning .. 13 4.3.3 Namespace Usage Examples. 4.4 Vendor-defined Extensions . 15 4.4.1 Vendor-defined Action Names. 15 4.4.2 Vendor-defined State Variable Names 15 4.4.3 Vendor-defined XML Elements and attributes ... 4.4.4 Vendor-defined Property Names... 5 Service Modeling Definitions.. 16 5.1 Service Type . 5.2 Key Concepts . 16 5.2.1 On-line and Off-line Network States 16 5.2.2 object 16 5.2.3 Object Identity 5.2.4 Object Lifetime 5.2.5 Object Modification . 18 5.2.6 class. 5.2.7 item.. 5.2.8 container. ..19 5.2.9 Container Modification . .19 5.2.10 ContentDirectory Tracking Changes Option .. .20 5.2.11 ContainerUpdatelDValue Indicator... .20 5.2.12 ContentDirectory Service Object Organization .... .21 5.2.13 Hierarchical location 5.2.14 Subtree..... 5.2.15 Subtree Updates. .22 5.2.16 XML Document .. ..23 5.2.17 XML Fragment. .23 5.2.18 DIDL-Lite XML Document. .24 5.2.19 CDS View.. 25 5.2.20 CDS Properties 26 @ ISO/IEC 2017 - All rights reserved ii Copyright International Organization for Standardization ACKEY,MA out license from IHS Not for Re IS0/IEC 29341-20-12:2017(E) 5.2.21 reference, reference item, referenced item .27 5.2.22 CDS feature... .28 5.2.23 Metadata vs. Foreign Metadata .28 5.2.24 Embedded XML Documents 5.2.25 Device Protection Option.... 5.2.26 Device Mode Option.. .....30 5.2.27 Shortcut... 5.3 State Variables.. ...30 5.3.1 State Variable Overview ..... ..31 5.3.2 SearchCapabilities .32 5.3.3 SortCapabilities ....... 5.3.4 SortExtensionCapabilities 5.3.5 SystemUpdatelD...... 5.3.6 ContainerUpdatelDs. 5.3.7 ServiceResetToken. ..36 5.3.8 LastChange .37 5.3.9 TransferlDs.. 41 5.3.10 FeatureList, 41 5.3.11 DeviceMode .41 5.3.12 DeviceModeStatus ... 5.3.13 Permissionslnfo .. 5.3.14 A ARG TYPE ObjectID 5.3.15 A ARG TYPE Result. 5.3.16 ARG TYPE SearchCriteria .45 5.3.17 A ARG TYPE BrowseFlag. ..47 5.3.18 A ARG TYPE Filter .47 5.3.19 ARG TYPE SortCriteria A 5.3.20 ARG TYPE Index 5.3.21 4 ARG TYPE Count. ...50 5.3.22 4 ARG TYPE UpdatelD ..50 5.3.23 A ARG TYPE TransferlD ..50 5.3.24 ARG TYPE TransferStatus .51 5.3.25 A ARG TYPE TransferLength. .51 5.3.26 4 ARG TYPE TransferTotal 5.3.27 ARG TYPE TagValueList. 4 5.3.28 A ARG TYPE URI... 5.3.29 4 ARG TYPE CDSView ... 5.3.30 ARG TYPE QueryRequest ..51 5.3.31 ARG