it should work as it is listed here:
hm.. on my machine it accepts the -a option.
but did you try to purge everything before you started ? did you install with backports-option ?
you should really start with this thread:
RE: How to setup Nvidia in Plex docker for hardware transcoding?
(Code, 4 lines)
and follow the instructions above strictly.
And there might be a chance that you run into a driver issue that freezes the nvidia driver due to too fast throttle change of the nvidia card -
and problems with transcoding after suspen/resume:
If hw-transcoding isn't working anymore check the output of…
Soooo after days of googling I'll try to summarize how I got hw-transcoding working on my Quadro P600:
First thing: (HW) transcoding should already work on your system with the internal GPU or CPU to make sure that plex has all the rights for transcoding…