Delete from DVR

[TheDreadPirate]

Scroll down a bit more in the User dashboard.  Is media deletion not enabled for that library?

   

Regarding playing the recordings/live TV.  It looks like there's a lot of irregularities with the file that are exposed when transcoding.  It is likely that your phone is direct playing the file.

You can try remuxing one of the recordings to see if repairing the container helps.

Code:

/usr/lib/jellyfin-ffmpeg/ffmpeg -fflags +genpts+igndts -i "/path/to/problem/video.ts" -map 0 -codec copy -max_muxing_queue_size 2048 -max_interleave_delta 0 -avoid_negative_ts disabled newFile.mp4