Name: ISO/IEC 29341-4-12:2008 — Information technology - UPnP Device Architecture - Part 4-12: Audio Video Device Control Protocol - Level 2 - Content Directory Service
SKU: ISO/IEC 29341-4-12:2008
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ISO/IEC 29341-4-12:2008 PDF

Information technology - UPnP Device Architecture - Part 4-12: Audio Video Device Control Protocol - Level 2 - Content Directory Service

Название (английский):

ISO/IEC 29341-4-12:2008

Information technology - UPnP Device Architecture - Part 4-12: Audio Video Device Control Protocol - Level 2 - Content Directory Service

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 150
Дата публикации:: 28 ноября 2008 г.
Издание:: ISO IS 29341 edition 1 version 1
ICS:: 01

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Описание (английский):

Ingrid Glavich Ingrid Glavich 2 2 1995-11-10T13:27:00Z 2008-11-17T14:51:00Z 2008-11-17T14:51:00Z 1 78 449 3 1 526 10.6845 Clean 21 0 0 MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0cm 5.4pt 0cm 5.4pt; mso-para-margin:0cm; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman";} ISO/IEC 29341-4-12:2008(E) enables the homeowner to browse the objects stored on the Media Server, select one and cause it to be played on a suitable rendering device. The series of ISO/IEC 29341 publications defines an architecture for pervasive peer-to-peer network connectivity of intelligent appliances, wireless devices and PCs. It is designed to bring easy to use, flexible, standards-based connectivity to ad-hoc or unmanaged networks whether in the home, in a small business, public spaces or attached to the Internet.

Overview

ISO/IEC 29341-4-12:2008 defines the UPnP Audio/Video Device Control Protocol (AV DCP) - Content Directory Service (CDS) Level 2. It standardizes how devices on a local network present, browse, search, update and transfer multimedia content. The specification enables a homeowner to browse objects stored on a Media Server, select content and cause it to be played on a compatible Media Renderer. Part of the ISO/IEC 29341 series, this standard targets pervasive peer-to-peer connectivity for intelligent appliances, wireless devices and PCs in ad-hoc or unmanaged networks.

Key topics and technical requirements

Service modeling and data types: Defines object, item, container concepts; CSV lists; EBNF notation and XML namespace handling for CDS messages.
State variables and capabilities: Includes variables such as SearchCapabilities, SortCapabilities, SystemUpdateID and ContainerUpdateID to support synchronization, discovery and feature negotiation.
Core actions (APIs): Standardized actions include Browse(), Search(), GetSearchCapabilities(), GetSortCapabilities(), and management operations like CreateObject(), DestroyObject(), UpdateObject(), MoveObject().
Resource management: ImportResource(), ExportResource() and DeleteResource() describe controlled transfer and lifecycle of media assets.
Search and sort semantics: Specifies SearchCriteria syntax and semantics plus sort and extension capabilities to enable advanced queries over media libraries.
Eventing and moderation: Mechanisms for event notifications when directories change, enabling renderers and control points to stay synchronized.
Interoperability focus: XML-based definitions and namespace/version guidelines to ensure consistent implementation across vendors.

Practical applications and who uses it

Device manufacturers building networked media servers, smart TVs, AV receivers, set-top boxes and NAS devices implement CDS Level 2 to expose media libraries reliably.
Software developers and middleware integrators use the standard to build control point applications (mobile apps, home gateways) that browse, search and control playback on renderers.
Home automation and systems integrators leverage CDS to integrate multimedia services into smart-home systems, multi-room audio, and public-space media deployments.
IT teams in small businesses and hospitality environments implement CDS-enabled devices to provide interoperable media distribution over unmanaged networks.

Related standards

ISO/IEC 29341 series - UPnP Device Architecture (other AV DCP parts) for broader device and service definitions.
UPnP AV Device Control Protocol family - complements CDS by defining connection and rendering control.

This standard is essential for developers and manufacturers who need reliable, standards-based UPnP Content Directory Service functionality for networked multimedia interoperability.

ISO/IEC 29341-4-12:2008 PDF

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Abstract

Overview

Key topics and technical requirements

Practical applications and who uses it

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