thank you for answering me
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this is the output tah I get for the command vlc
vlc
VLC media player 2.2.2 Weatherwax (revision 2.2.1-161-g360f42e)
[0000000000d4d118] core libvlc: Running vlc with the default interface. Use 'cvlc' to use vlc without interface.
[0000000000e6c038] [cli] lua interface: Listening on host "*console".
VLC media player 2.2.2 Weatherwax
Command Line Interface initialized. Type `help' for help.
> after I get the internal prompt of the command line (as you can see)
Really it look possible to set an interface ... but I don't understand how to do it ...