Quick recap slides of the Adobe AIR 2.5 updates for TV. This presentation took place at an LA AIR user group meetup in Los Angeles. Event details: http://www.meetup.com/flash-flex-la/calendar/15031040/

1. Adobe AIR for TV
as presented by Chris Charlton
http://chrischarlton.us

2. Adobe AIR 2.5 for TV
Internet connected
high definition TV sets*
Set-top boxes
Blu-ray players
*Samsung is first

3. Adobe AIR 2.5
Accelerometer
Multi-touch & gestures
Geo location
Native-browser controls in apps
Hardware acceleration
Enhanced CSS & HTML5
Google Android
BackBerry Tablet OS

4. Adobe AIR 2.5 for TV
H.264 1080p video, Flash Access 2.0 (DRM),
enhanced Keyboard APIs, new StageVideo API

5. StageVideo API
StageVideo maximizes performance and quality with
minimal power consumption on all platforms.
Flash Player supports Video & StageVideo objects.
Content displaying video in a window-aligned
rectangular region on screen should use StageVideo.
Content performing complex transformations on
video should use the slower Video object.
GoogleTV: Video objects rendered with StageVideo
performance. Unsupported features ignored.

6. StageVideo objects
Cannot be rotated.
Cannot have an alpha channel, blendMode, filter, mask,
scale9Grid, colorTransform, or 3D transformations.
Video data cannot be copied into a BitmapData object.
Plays only videos originating from NetStream objects.

7. Video encoding guidelines
Video codec: H.264,
Main or High profile,
progressive encoding
Resolution: 720i, 720p,
1080i, or 1080p
Frame rate: 24 or 30 fps
Pixel aspect ratio: 1 x 1
Audio codec: AAC-LC or
AC3, 44.1 kHz, stereo,
up to 192 kbps
Combined bit rate: up to
2Mbps (or higher depending
on available bandwidth)
Old codecs supported

8. Delivering video
HTTP Dynamic Streaming (F4F format)
RTMP/e Streaming
HTTP Progressive Download
RTMFP Peer-to-Peer
RTMFP Multicast

9. Production Tools
Flash Professional CS5
Flash Builder 4

10. Notes about TVs
500-800 MHz or higher**
Take advantage of
cacheAsBitmap and
cacheAsBitmapMatrix
Avoid animating large
vector content
Simple buttons:
up, down, left, right, menu, info

11. Live demo next meetup
View real apps on a real interactive set-top box!

12. Read more online
What’s new in Adobe AIR 2.5
http://www.adobe.com/devnet/air/articles/air25_whatsnew.html
Delivering video and content for Flash Platform on TV
http://www.adobe.com/devnet/devices/articles/video_content_tv.html
Adobe AIR DevNet center
http://www.adobe.com/devnet/air