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No suitable decoder module:
VLC does not support the audio or video format "undf". Unfortunately there is no way for you to fix this

it worked fine on vlc 2.0.8, but in 2.1.0 it is broken...

We need more logs.

instructions? I tried activating logging into file and that failed.

I think I'm downgrading to 2.0.8, this 2.1 release appears to be a bug nest.

Je sais que les étudiants d'aujourd'hui, Centraliens inclus, ne sont plus ce qu'ils étaient, mais le niveau a-t-il vraiment baissé à ce point? ;P

http://pastebin.com/EHC2g8WP

vlc 2.1.0, windows 7 x64

Et voilà !

Bon courage Jean-Baptiste !

Open it as a disk, and not as a file.

I actually already tried that, and vlc told me it could not open the disc

Your input can't be opened:
VLC is unable to open the MRL 'dvd:///N:/'. Check the log for details.

logs : http://pastebin.com/kBRSkRRK

it used to work just fine either way, file or disc

Is N: mounted?

is N what? the disc image is mounted on a virtual drive
works fine on mpc-hc and even on that cheap wmp, so really a vlc issue there
again it was working fine on 2.0.8, sorry to stress it JB

again it was working fine on 2.0.8...

...can you do me a favor? Can you post logs from 2.0.8 where it DOES work?...both ways too: make a log of trying K:\dvd_copy.iso in 2.0.8 & also trying to load N:\ (with that DVD mounted) in 2.0.8. I just wanna compare where 2.0.8 succeeds & 2.1.0 fails.

Also, in 2.1.0 (& perhaps in 2.0.8 also) try loading N:\ as dvdsimple:///N:/...aka using the "DVD without menus" option (or the "No disc menus" checkbox, as my 2.0.5 puts it)...that may not work either & isn't a solution, but it's one more thing to try.

sorry but i stopped caring, back to 2.0.8 and this bug as well as a dozen of other are now history, no more update for a long while as far as I am concerned

just in case you'd believe i'm telling lies here are the debug logs from 2.0.8
http://pastebin.com/BrbzQisB