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Location: Perth, WA
Plex kind of works differently from any other players (video or audio). It's like a home version of Netflix, as such you don't share content from Plex via NFS/Samba. Plex is doing it's own thing when serving content. From Plex setup, you add in the directories (video, music, pic, etc) and then use a Plex client (App or web browser) to play the content.
So the plex client should have all the codecs capability (provided the hardware itself also supports it)..
For the most part most TVs these days have the Plex App. Try it from there first. Or alternatively download the plex app on your phone and then cast the video to your player of choice.
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