Re: Handbrake won't use nvenc

>     Recently I had to reinstall Kubuntu on this machine.  I didn't have a
>     problem until I tried to use Handbrake.  It will no longer use nvenc.
>     I tried it using ffmpeg using the command line. First I tred
>     ffmpeg -i
>     input.mp4 -vcodec h264 output.mp4.  That worked, but failed when I
>     tried  ffmpeg -i input.mp4 -vcodec h264_nvenc output.mp4 and
>     displayed
>     the error message below. Before I had to reinstall, I was able to use
>     nvenc when encoding using h264 in Handbrake.  Any idea how I can fix
>     this? Thanks

>     [h264_nvenc @ 0x55dd91a7ae40] Cannot load libnvidia-encode.so.1
>     [h264_nvenc @ 0x55dd91a7ae40] The minimum required Nvidia driver for
>     nvenc is 520.56.06 or newer
>     [vost#0:0/h264_nvenc @ 0x55dd91aae5c0] Error while opening encoder -
>     maybe incorrect parameters such as bit_rate, rate, width or height.
>     [vf#0:0 @ 0x55dd91a913c0] Error sending frames to consumers:
>     Operation
>     not permitted
>     [vf#0:0 @ 0x55dd91a913c0] Task finished with error code: -1
>     (Operation
>     not permitted)
>     [vf#0:0 @ 0x55dd91a913c0] Terminating thread with return code -1
>     (Operation not permitted)
>     [vost#0:0/h264_nvenc @ 0x55dd91aae5c0] Could not open encoder
>     before EOF
>     [vost#0:0/h264_nvenc @ 0x55dd91aae5c0] Task finished with error code:
>     -22 (Invalid argument)
>     [vost#0:0/h264_nvenc @ 0x55dd91aae5c0] Terminating thread with return
>     code -22 (Invalid argument)
>     [out#0/mp4 @ 0x55dd91c55240] Nothing was written into output file,
>     because at least one of its streams received no packets.
>     frame=    0 fps=0.0 q=0.0 Lsize=       0KiB time=N/A bitrate=N/A
>     speed=N/A
>     [aac @ 0x55dd91bfa500] Qavg: 924.945
>     Conversion failed!

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