VLC has just “stopped” working

[DPL]

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Until a few weeks ago I was happily using VLC on my Ubuntu distro (15.10) and then today when I put a commercial DVD in, it wouldn't work. Previously I had installed libdvdcss and it worked fine, and when my current set-up failed to work, I reinstalled this.

But when I open up vlc, and click on Media->Open Disk->Select DVD->Play, I get the following dialog box message:

Playback failure: DVDRead could not open the disc "/dev/sr0". Your input can't be opened: VLC is unable to open the MRL 'dvd:///dev/sr0'. Check the log for details.
(This is what I got previously too)

I have also removed VLC and then reinstalled from scratch, but with the same problem.

Can anyone suggest a solution please?

Many thanks

[Segfault]

Is your DVD even readable?

file -s /dev/sr0

[Rubberman]

A lot of commercial DVD's are DRM-encumbered. Depending upon the disc, you may need to decrypt it with something like ffmpeg.

[nihili]

Ubuntu distro (15.10)

this distro is dead, EOL.
no more updates since over a year.
how did you install vlc?

[Rubberman]

I downloaded and installed it directly from my Mint Synaptic package manager for my laptop. My workstation I downloaded and compiled the code for my CentOS server directly. I use it daily on both systems, both for audio and video.