Improve Plex Transcoding image quality

I know that this is for the plex forums, but i aleary tried and not even 1 view.

https://forums.plex.tv/index.php/topic/113744-improve-image-quality/

i read that you can tweak the server config file and get better image quality for the chromecast or any other device.

i already tried with the settings that you can change on the plex server page, (make my cpu hurt, 1080p 20mbps etc..) but i think they look worst than the original MKV that its playing and i know that the chromecast...

Improve Plex Transcoding image quality