Apple opens hardware acceleration for Flash, other third party software
Via the latest 10.6.3 update for Mac OS X Snow Leopard, Apple seems to be finally allowing third party developers to access the low level H.264 decoding power of the GPUs within its Macs.
Adobe’s upcoming Flash Player 10.1 only provides hardware acceleration to Windows-based computers because Mac OS X “does not expose access to the required APIs” and Linux lacks a “developed standard API” for H.264 hardware decoding.
Apple seems to have addressed this issue now with Video Decode Acceleration Framework. Technical Note TN2267 describes the new API:
The Video Decode Acceleration framework is a C programming interface 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.
The new framework should allow Adobe and other developers to provide smoother and more efficient raw H.264 decoding in their software through the GPU. Developers were previously required to use the QTKit API to gain hardwareacceleration through Quicktime X which has limited format support and cannot render onto third party video players.
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