[FFmpeg-devel] [PATCH] avcodec/utvideoenc: switch to planar RGB formats

Carl Eugen Hoyos ceffmpeg at gmail.com
Tue Jan 2 00:11:33 EET 2018


2017-12-31 18:45 GMT+01:00 Derek Buitenhuis <derek.buitenhuis at gmail.com>:
> On 12/31/2017 2:04 PM, Carl Eugen Hoyos wrote:
>> This is not helpful;-(
>> Is it so unlikely that the patch has small gain for gbr
>> (theoretically compensated by existing fast conversion
>> from gbr to rgb) but large impact for rgb (with slow
>> conversion from rgb into gbr)?
>
> I went and tested the speed difference with and without this
> patch, with rgb24 input. You'll be happy to know it came out
> to be pretty much exactly the same speed after averaging 100
> runs of each.

(Why?)

Thank you for the testing!

Carl Eugen


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