[vlc-devel] [PATCH 1/6] chroma: chain: suggest *->CVPI conversion

[Rémi Denis-Courmont]

Le torstaina 11. kesäkuuta 2020, 12.08.09 EEST Alexandre Janniaux a écrit :
> Hi,
> 
> Thanks for your input, that's what I thought too.
> 
> Trying to go via CVPI isn't necessarily a bad idea since
> it mostly affects the transcode pipeline or video filters
> which are both mostly designed for I420 originally, but
> it is not future-proof and adds platform-specific code
> into generic code.

It is a bad idea because it's forcing a round-trip to GPU memory while 
transcoding is often between two software formats.

-- 
Rémi Denis-Courmont
http://www.remlab.net/