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ISO/IEC 29341-3-3

Information technology – UPnP Device Architecture – Part 3-3: Audio Video Device Control Protocol – Media Server Device

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Organization: ISO
Publication Date: 1 November 2008
Status: active
Page Count: 18
ICS Code (Interface and interconnection equipment): 35.200
scope:

Overview and Scope

This device template is compliant with the UPnP Device Architecture version 1.0. It defines a device type referred to herein as MediaServer:1.

The MediaServer template defines a general-purpose device that can be used to instantiate any Consumer Electronic (CE) device that provides AV content (e.g. media) to other UPnP devices on the home network. It is based on the UPnP AV Architecture Framework (described in another document). It exposes its content via the Content Directory service (refer to the Content Directory Service Template for details). As such, the MediaServer can handle any specific type of media, any data format, and transfer protocol.

Example instances of a MediaServer include traditional devices such as VCRs, CD Players, DVD Players, audiotape players, still-image cameras, camcorders, radios, TV Tuners, and set-top boxes. Additional examples of a MediaServer also include new digital devices such as MP3 servers, PVRs, and Home Media Servers such as the PC. All though these devices contain diverse (AV) content in one form or another, the MediaServer (via the Content Directory) is able to expose this content to the home network in a uniform and consistent manner. This ability allows the MediaServer to instantiate traditional single-function devices as well as more recent multifunction devices such as VCR-DVD players and the general purpose Home Media Server, which contains a wide-variety of content such as MPEG2 video, CD audio, MP3 and/or WMA audio, JPEG images, etc.

The MediaServer template is very lightweight and can easily be implemented on low-resource devices such as still-image cameras or MP3 players that want to expose their local content to the home network. The MediaServer can also be used for high-end Home Media Servers that contain dozens of Gigabytes of heterogeneous content. Refer to the Theory Of Operation section for some specific examples of the MediaServer.

A full-featured MediaServer device provides clients with the following capabilities:

• Enumerate and query any of the content that the MediaServer can provide to the home network.

• Negotiate a common transfer protocol and data format between the MediaServer and target device.

• Control the flow of the content (e.g. FF, REW, etc).

• Copy (import) content to the MediaServer from another device.

This device template does not provide:

• The ability to renderer AV content.

Document History

ISO/IEC 29341-3-3
November 1, 2008
Information technology – UPnP Device Architecture – Part 3-3: Audio Video Device Control Protocol – Media Server Device
Overview and Scope This device template is compliant with the UPnP Device Architecture version 1.0. It defines a device type referred to herein as MediaServer:1. The MediaServer template defines a...

References

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