mpv resume

Mpv player has the option to set resume at latest point reached.
In  /home/user/.config/mpv/ mpv.conf by adding line
save-position-on-quit

Another useful opton is to repeat;add following line
loop-file=yes

No sound with mpv using jack server

To connect mpv with the jack server put this line:
ao= jack

in /home/username/.config/mpv/ mpv.conf