adobe air for tv - max 2010 recap
TRANSCRIPT
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Adobe AIR for TVas presented by Chris Charlton
http://chrischarlton.us
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Adobe AIR 2.5 for TV
Internet connected high definition TV sets*
Set-top boxes
Blu-ray players
*Samsung is first
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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
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Adobe AIR 2.5 for TVH.264 1080p video, Flash Access 2.0 (DRM), enhanced Keyboard APIs, new StageVideo API
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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.
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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.
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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
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Delivering video
HTTP Dynamic Streaming (F4F format)
RTMP/e Streaming
HTTP Progressive Download
RTMFP Peer-to-Peer
RTMFP Multicast
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Production Tools
Flash Professional CS5
Flash Builder 4
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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
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Live demo next meetupView real apps on a real interactive set-top box!
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Read more online
What’s new in Adobe AIR 2.5http://www.adobe.com/devnet/air/articles/air25_whatsnew.html
Delivering video and content for Flash Platform on TVhttp://www.adobe.com/devnet/devices/articles/video_content_tv.html
Adobe AIR DevNet center http://www.adobe.com/devnet/air