You no longer need to download the Adobe Labs Flash Player Gala Beta edition to get H.264 hardware acceleration out of Flash Player.  Adobe has moved the hardware acceleration code into its standard build of Flash player, which can be downloaded here.

Apple has a Technote with some more background on what machines are supported:

 

  • MacBooks shipped after January 21st, 2009
  • Mac Minis shipped after March 3rd, 2009
  • MacBook Pros shipped after October 14th, 2008
  • iMacs which shipped after the first quarter of 2009

 

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