ArchLinux DVD播放問題 - Linux

使用smplayer+mplayer
有安裝libdvdnav libdvdread libdvdcss

可以從檔案管理員讀到dvd表示沒問題
裝置為/dev/sr0

直接用mplayer dvd://會出現
MPlayer SVN-r37353 (C) 2000-2015 MPlayer Team
210 audio & 441 video codecs
do_connect: could not connect to socket
connect: No such file or directory
Failed to open LIRC support. You will not be able to use your remote control.

Playing dvd://.
libdvdread: Can't stat /dev/dvd
No such file or directory
libdvdread: Could not open /dev/dvd
Couldn't open DVD device: /dev/dvd (No such file or directory)
No stream found to handle url dvd://


用mplayer dvdnav://
MPlayer SVN-r37353 (C) 2000-2015 MPlayer Team
210 audio & 441 video codecs
do_connect: could not connect to socket
connect: No such file or directory
Failed to open LIRC support. You will not be able to use your remote control.

Playing dvdnav://.
libdvdnav: Using dvdnav version 5.0.2
libdvdread: Can't stat /dev/dvd
No such file or directory
libdvdread: Could not open /dev/dvd
libdvdnav: vm: failed to open/read the DVD
Couldn't open DVD device: /dev/dvd (No such file or directory)
No stream found to handle url dvdnav://


Exiting... (End of file)

我放的是租片店的片子
之前有可以讀起來一次，忘記是用什麼指令了
但是畫質都是馬賽克，所以我想應該不成功

想請問發生什麼事？

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Arch Linux適應中...
Install by Antergos

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