var_AddCallback( p_playlist, "fullscreen", FullscreenChanged, self);
var_AddCallback( p_intf->p_libvlc, "intf-show", ShowController, self);
var_AddCallback( p_playlist, "fullscreen", FullscreenChanged, self);
var_AddCallback( p_intf->p_libvlc, "intf-show", ShowController, self);