In its present working draft, the higher level syntax of SVC follows the design principles of H.264/AVC.
The scalable extension of H.264/AVC, known as scalable video coding or SVC, is currently the main focus of the Joint Video Team’s work.
Anything lower then 720p that has 264 and aac I just copy into a mp4. Here's a few of my bash scripts, i'm using to encode my media. Could care less about the flash version) and chromecast.