Geek House Games
Easily playback video from within a Flash AS3 Flixel-based SWF. MIT Licensed
Arbitrary precision numbers. Version 0.1 limited to a few unsigned int functions; including a few 64-bit optimized ones. MIT Licensed
While Flash's Actionscript 3 adds a streamlined display chain, it did not improve upon controlling of video purely through the API. The mismatch of AS2 and AS3 conventions makes it easy to be tripped up and is asking for an overhaul. Until that happens, these MIT Licensed classes take a lot of the pain out from working with video when in pure AS3.