[FFmpeg-devel] Interpolation algorithms for FFmpeg
Tue Aug 3 13:52:21 CEST 2010
Loren Merritt a ?crit :
> On Wed, 28 Jul 2010, Jason Garrett-Glaser wrote:
>> On Wed, Jul 28, 2010 at 6:06 PM, Michael Niedermayer
>> <michaelni at gmx.at> wrote:
>>> On Wed, Jul 28, 2010 at 04:21:48PM -0700, Jason Garrett-Glaser wrote:
>>>> Also I should note that on real-world video content, no spatial,
>>>> temporal, or spatiotemporal interpolation algorithm has ever beaten
>>>> NNEDI in any test that I've seen.
>>> and very slow from what i know
>> Because it's written purely in float and unnecessarily slow, really.
>> IIRC, Loren suggested it could be at least 10x faster with hardly any
>> changes to the overall concept, which is enough to at least do SD in
> Tritical has fixed some parts since then, so I'd estimate 3x now.
Maybe that would be a good task then for bringing that 10x faster in
total for the Bachelor work as well as for FFmpeg?
If I'm not wrong then most of the speed gain can be achieved by doing a
100% integer (fixed point) version?
What do you think?
:-) Basty/CDGS (-:
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