Thanks for the tips, everyone, but I'm going to have to conclude there is something wrong with the drive. Regionset can't read or set the region code. I'll have to try a different device.
regionset's homepage appears to have disappeared. If your distro no longer packages it, the source can still be obtained from Gentoo source mirrors (pick a server here and go into "distfiles" then "8b").
Did you install 'libdvdcss2' ?
And here I thought that was just a T-shirt 😜
I did not know that existed. Thank you. I'll try that when I get home from work.
Arch wiki has (again) good info on DVD setup.
On which OS and version are you?
I'm on cachyOS.
Ive had issues with this as well. Still have had no joy.
What DVD drive are you using? Ive read the hardware is also important, but I'm no expert.
What is the error that VLC gives you?
It says:
Playback failure: DVDRead could not read 1/4 blocks at 0x01
Hmm assuming the disk isn't super scratched up, I'm thinking you need to configure the region correctly.
I think if it was a decryption error, you'd have something different to a read error on what looks like one of the first blocks.
I remember there's a cli utility for setting the region that you should be able to get from your package manager, I can't remember the name off the top of my head
Edit: reread your post, regionset rings a bell actually. If it's not available in your package manager, perhaps try building it from source
I had to change a setting in my app (handbrake) to actually use libdvdcss instead of whatever it defaults to. I also seem to remember having to copy/symlink libdvdcss.so into /usr/local/lib/.
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