1. Audio Video Update
John Ritchie
Intel
Co-Chair Audio Video Committee

2. Overview
UPnP™ AV Architecture (v1.0)
v2.0 Extensions
Demo
Questions

3. UPnP™ AV (v1.0) Architecture (Completed June 2002)
Content Distribution
(a.k.a. Playing available content anytime, anywhere)

4. UPnP™ AV Architecture Content 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

5. UPnP™ AV Architecture Device Interaction Model (Playback)
Control Point
Standard
UPnP Actions
Standard
UPnP Actions
Home LAN
Media
Server
Media
Renderer
VCR
Camcorder
STB
Digital Camera
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

6. UPnP™ AV Architecture UPnP 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

7. UPnP™ AV Architecture Typical Control Algorithm (Playback)
Discover AV devices
UPnP™ SSDP
Locate desired content
Content Directory Service
Identify a common
transfer protocol and data format
Connection Manager Service
Initiate and control the transfer
AV Transport Service
Control how content is rendered
Rendering Control Service

8. UPnP AV Architecture v2 (Started January 2003)

9. 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

10. UPnP™ AV Architecture EPG-based Content Creation
(a.k.a. Recording programs that will be available in the future)

11. UPnP™ AV Architecture Device 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

12. UPnP™ AV Architecture UPnP 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

13. UPnP™ AV v2.0 Specifications Projected Schedule
“Preliminary Design Complete” status (v0.80)
November 2004
“Design Complete” status (v0.90)
December 2004
Final adoption
Q1 2005

14. 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:
Participate in the next Plugfest
Telecons: Twice per week (Tues and Thurs)
Face-to-Face meetings: Every 4 to 6 weeks
Individual contacts:
John Ritchie (Intel) at
Geert Knapen (Philips) at

15. Demonstration

16. Foundation of the Connected Home