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Audio Video Update John Ritchie Intel Co-Chair Audio Video Committee Overview UPnP ™ AV Architecture (v1.0) v2.0 Extensions Demo Questions UPnP ™ AV (v1.0) Architecture (Completed June 2002) Content Distribution (a.k.a. Playing available content anytime, anywhere)

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Audio Video Update

John Ritchie

Intel

Co-Chair Audio Video Committee


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Overview

  • UPnP™ AV Architecture (v1.0)

  • v2.0 Extensions

  • Demo

  • Questions


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UPnP™ AV (v1.0) Architecture(Completed June 2002)

Content Distribution

(a.k.a. Playing available content anytime, anywhere)


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UPnP™ AV ArchitectureContent Playback Scenarios

  • Various User Scenarios

    • Watch a video on a television

    • Listen to music on a stereo system

    • Show digital photos on (Electronic Picture Frame)

  • One Common Theme

    • Content on Device A

    • Rendered on Device B

    • Control remotely by user

Browse - Select - Play


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UPnP™ AV ArchitectureDevice Interaction Model (Playback)

VCR

Camcorder

STB

Digital Camera

Control Point

Standard

UPnP Actions

Standard

UPnP Actions

Home LAN

Media

Server

Media

Renderer

DVD Player

CD Player

Tuner

PC

TV

MP3 Player

EPF

Speakers

Stereo

Clock Radio

PC

Content Directory

Rendering Control

Connection Manager

Connection Manager

AV Transport (Optional)

AV Transport (Optional)

Scheduled Recording

Out-of-band

Transfer Protocol


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UPnP™ AV ArchitectureUPnP AV Services (Playback)

  • Content Directory

    • Browse/search content items and containers

    • Includes content meta-data (title, creator, resolution, …)

    • Manage content (e.g. create playlists, add new items,…)

  • Rendering Control

    • Control rendering characteristics (volume, brightness, …)

  • Connection Manager

    • Enumerate supported transfer protocols and data formats

    • Enumerate existing UPnP AV streams

  • AV Transport

    • Control content movement/position (play, pause, seek,…)

    • Provided by Server or Renderer based on selected protocol


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UPnP™ AV ArchitectureTypical Control Algorithm (Playback)

Discover AV devices

UPnP™ SSDP

Locate desired content

Content DirectoryService

Identify a common

transfer protocol and data format

Connection ManagerService

Initiate and control the transfer

AV TransportService

Rendering ControlService

Control how content is rendered


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UPnP AV Architecture v2(Started January 2003)


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UPnP™ AV v2.0 Highlights

  • Full backward compatibility with UPnP AV v1.0

    • Existing v1.0 Control Points still work with new V2 devices

  • Editorial clarifications to existing v1.0 functionality

    • CDS::ImportResource()

    • CM::PrepareForConnection(), ConnectionID=0

  • Various improvements to many v1.0 features.

    • Standardized usage rules for the 4th field of “protocolInfo”

  • New features

    • Automatic recording of content available in the future

    • Support for premium (DRM protected) content

    • Changing AV Renderers


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UPnP™ AV Architecture

EPG-based Content Creation

(a.k.a. Recording programs that will be available in the future)


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UPnP™ AV ArchitectureDevice Interaction Model (Recording)

Control Point

Standard

UPnP Actions

Media

Server

Home LAN

Content Directory

Connection Manager

Media

Renderer

AV Transport (Optional)

Scheduled Recording

Out-of-band

Transfer Protocol


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UPnP™ AV ArchitectureUPnP AV Services (Recording)

  • Scheduled Recording Service

    • Create individual recording schedules

      • Each “Record Schedule” generates one or more “Record Tasks”

    • Browse current Record Schedules/Tasks

    • Modify current Record Schedules/Tasks

    • Updated status event to interested Control Points


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UPnP™ AV v2.0 SpecificationsProjected Schedule

  • “Preliminary Design Complete” status (v0.80)

    • November 2004

  • “Design Complete” status (v0.90)

    • December 2004

  • Final adoption

    • Q1 2005


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Moving Forward

  • UPnP™ AV v3.0

    • Start defining AV v3.0 content in January 2005

  • Continue to grow UPnP™ AV v1.0/v2.0 momentum

    • Periodic Plugfests 2 to 4 times per year

    • Next Plugfest in Q2 ’05 – Location TBD

  • Getting Involved

    • UPnP™ AV WC mail list: [email protected]

    • Participate in the next Plugfest

    • Telecons: Twice per week (Tues and Thurs)

    • Face-to-Face meetings: Every 4 to 6 weeks

  • Individual contacts:




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