[FFmpeg-user] Hardware Acceleration on OS X

[Elliott Balsley]

OK that makes sense.  Too bad.
And am I correct that OpenCL only helps with a couple of filters (unsharp and deshake)?

On Oct 2, 2013, at 9:39 AM, Tom Evans <tevans.uk at googlemail.com> wrote:

> On Wed, Oct 2, 2013 at 5:28 PM, Elliott Balsley
> <elliottbalsley at gmail.com> wrote:
>> I've read bits and pieces about ffmpeg's hardware acceleration, but can't find a full answer.
>> On OS X, is VDA the only supported hwaccel?  In what ways can it actually help?  I primarily use ffmpeg for x264 encodes, and libx264 does all the heavy lifting.
>> I have an octo-core Mac Pro with GTX570 (2.5GB), so it would be great to utilize that powerful GPU if possible.
> 
> libx264 is not hardware accelerated, and the video decode acceleration
> (VDA or VDPAU) on your graphics card is limited to presentation. VD in
> both acronyms stands for 'Video Decode'.
> 
> Cheers
> 
> Tom
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