[MPlayer-users] Screenshot color wrong

[Reimar Döffinger]

On 7 September 2020 19:35:03 CEST, "Reimar Döffinger" <Reimar.Doeffinger at gmx.de> wrote:
>On 7 September 2020 16:11:14 CEST, Polyphem <polyphem at gmail.com> wrote:
>>
>>https://mpv.io/manual/stable/#video-filters-%3Ccolorlevels%3E
>>Available color ranges are:
>>auto:    automatic selection (normally limited range) (default)
>>limited:    limited range (16-235 for luma, 16-240 for chroma)
>
>The MPlayer and FFmpeg implementations only expand Luma range, not
>Chroma.
>Thus the "limited range"/levelconv does not affect strong colours like
>pure red/green/blue... 

-saturation 14
should compensate for that. 
Might not affect screenshot filter, in which case you could use e.g.
-vf hue=0:14

Note that I'm actually not yet sure why this happens for libswscale (which screenshot filter uses).