Thanks again, take your time. Just adding a screenshot from emby.
This is from jellyfin log if it is helpful.
[00:37:08] [INF] [26] Jellyfin.Api.Helpers.TranscodingJobHelper: Transcoding kill timer stopped for JobId 85ce08e5e6e34351866b9f0e366c3f26 PlaySessionId 888bc4f8510446e2b38f6e951845af42. Killing transcoding
[00:37:08] [INF] [26] Jellyfin.Api.Helpers.TranscodingJobHelper: Deleting partial stream file(s) /config/transcodes/134e83d9abf504ad33880dc6ff541dfa.m3u8
[00:37:13] [INF] [24] Jellyfin.Api.Helpers.TranscodingJobHelper: Stopping ffmpeg process with q command for /config/transcodes/134e83d9abf504ad33880dc6ff541dfa.m3u8
[00:37:13] [INF] [24] Jellyfin.Api.Helpers.TranscodingJobHelper: FFmpeg exited with code 0
[00:37:13] [INF] [24] Jellyfin.Api.Controllers.DynamicHlsController: Current HLS implementation doesn't support non-keyframe breaks but one is requested, ignoring that request
[00:37:13] [INF] [24] Jellyfin.Api.Helpers.TranscodingJobHelper: /usr/lib/jellyfin-ffmpeg/ffmpeg -ss 00:41:51.000 -hwaccel cuda -noaccurate_seek -hwaccel_output_format cuda -extra_hw_frames 3 -autorotate 0 -i file:"/movies/Star Wars Collection/Return of the Jedi (1983)/Return of the Jedi (1983) Bluray-1080p.mkv" -map_metadata -1 -map_chapters -1 -threads 0 -map 0:0 -map 0:2 -map -0:s -codec:v:0 h264_nvenc -preset default -b:v 9616000 -maxrate 9616000 -bufsize 19232000 -profile:v:0 high -g:v:0 72 -keyint_min:v:0 72 -sc_threshold:v:0 0 -vf "scale_cuda=format=nv12" -start_at_zero -vsync -1 -codec:a:0 aac -ac 2 -ab 384000 -copyts -avoid_negative_ts disabled -max_muxing_queue_size 2048 -f hls -max_delay 5000000 -hls_time 3 -hls_segment_type mpegts -start_number 837 -hls_segment_filename "/config/transcodes/134e83d9abf504ad33880dc6ff541dfa%d.ts" -hls_playlist_type vod -hls_list_size 0 -y "/config/transcodes/134e83d9abf504ad33880dc6ff541dfa.m3u8"
[00:37:15] [WRN] [24] Jellyfin.Server.Middleware.ResponseTimeMiddleware: Slow HTTP Response from http://192.168.10.250:8096/videos/040be175-0d93-e7f1-4be1-204f0173a9c7/hls1/main/837.ts?DeviceId=TW96aWxsYS81LjAgKFdpbmRvd3MgTlQgMTAuMDsgV2luNjQ7IHg2NDsgcnY6OTUuMCkgR2Vja28vMjAxMDAxMDEgRmlyZWZveC85NS4wfDE2NDE4NTI5MjYxMTc1&MediaSourceId=040be1750d93e7f14be1204f0173a9c7&VideoCodec=h264&AudioCodec=aac,mp3&AudioStreamIndex=2&VideoBitrate=9616000&AudioBitrate=384000&PlaySessionId=888bc4f8510446e2b38f6e951845af42&api_key=8be9cd6491924c9a820be969b96f122f&TranscodingMaxAudioChannels=6&RequireAvc=false&Tag=3cd071446cc100fdc25823201a2068c4&SegmentContainer=ts&MinSegments=1&BreakOnNonKeyFrames=True&h264-profile=high,main,baseline,constrainedbaseline&h264-level=51&h264-deinterlace=true&TranscodeReasons=VideoCodecNotSupported,AudioCodecNotSupported,ContainerBitrateExceedsLimit to 192.168.10.17 in 0:00:02.4921479 with Status Code 200