Unable to play ¿h264? in Samsung TV

Server Version#:Plex Media Server v1.18.0.1913
Player Version#:Plex for Samsung 4.5.1

Every time when I try to play a film in HDRip quaility, it always fail with a Transcoding error. In the log, this is what I can see:

WARN - [FFMPEG] - Error loading external lib: /config/Library/Application Support/Plex Media Server/Codecs/20fed83-2561-linux-x86_64/libmp3_decoder.so: failed to map segment from shared object
ERROR - [Transcoder] Unrecognized option ‘crf:0’.
ERROR - [Transcoder] Unrecognized option ‘crf:0’.

This is the media info:

<Media id="4269" videoProfile="advanced simple" audioChannels="6" audioCodec="ac3" bitrate="3587" container="mp4" duration="6003462" height="304" optimizedForStreaming="1" protocol="dash" videoCodec="h264" videoFrameRate="24p" videoResolution="SD" width="720" selected="1">
<Part id="4289" videoProfile="advanced simple" bitrate="3587" container="mp4" duration="6003462" height="304" optimizedForStreaming="1" protocol="dash" width="720" decision="transcode" selected="1">
<Stream bitrate="3139" codec="h264" displayTitle="SD (MPEG4)" frameRate="23.975999999999999" height="304" id="13657" streamType="1" width="720" decision="transcode" location="segments-video" />
<Stream bitrate="448" bitrateMode="cbr" channels="6" codec="ac3" displayTitle="Unknown (AC3 5.1)" id="13658" selected="1" streamType="2" decision="copy" location="segments-audio" />

Is it trying to transcode it? Why a direct play won’t work? It can handle movies with greater quality in direct play

I run my plex server in docker.
It happens me with every film in that format. If I play them in my computer with windows and the plex app, it plays with no problem.

Thanks for the help

have you tried updating the server?

won’t know unless we see the full log. ( turning on logging in the app on tv will write to server logs)

it does not look like you enabled logging in the app on your tv. but looks like it is transcoding due to burning in subtitles.

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