Video Decode Acceleration Framework
This reference describes the Video Decode Acceleration framework available on Mac OS X 10.6.3 and later […] providing low-level access to the H.264 decoding capabilities of compatible GPUs such as the NVIDIA GeForce 9400M, GeForce 320M or GeForce GT 330M. It is intended for use by advanced developers who specifically need hardware accelerated decode of video frames.
Looks like this was provided so Adobe could make Flash more efficient.
