Merci de ta réponse.
mplayer -mouse-movements dvdnav:// me renvoye :
mplayer -mouse-movements dvdnav://
Creating config file: /home/robin/.mplayer/config
MPlayer2 2.0-701-gd4c5b7f-2ubuntu2 (C) 2000-2012 MPlayer Team
Cannot open file '/home/robin/.mplayer/input.conf': No such file or directory
Failed to open /home/robin/.mplayer/input.conf.
Cannot open file '/etc/mplayer/input.conf': No such file or directory
Failed to open /etc/mplayer/input.conf.
Playing dvdnav://.
No stream found to handle url dvdnav://
et
mpv dvdnav://menu
Playing: dvdnav://menu
libdvdnav: Using dvdnav version 4.2.1
libdvdread: Could not open /dev/sr0 with libdvdcss.
libdvdread: Can't open /dev/sr0 for reading
libdvdnav: vm: failed to open/read the DVD
[dvdnav] Couldn't open DVD device: /dev/sr0
No protocol handler found to open URL dvdnav://menu
The protocol is either unsupported, or was disabled at compile-time.