xbmc/xbmc — pull request #924 by davilla (2012-05-03 00:14:07+00:00)
Title: [osx] refactor vda to pass cvbufrefs up for rendering, gives a 55 to 35 percent CPU decrease when decoding via vda

gains 55 to 35 percent under 10.4sdk, 55 to 20 percent under the pending move to 10.6sdk.