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Old 03-08-2009, 05:41 AM   #1
greengrocer
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Optical disc (DVD) file copy problem


Hello all,

I have a DVD video disc that I am trying to perform a simple file copy on.

Am using Ubuntu 8.10 Intrepid and having problems with copying. Can perform the same method on older Ubuntu edgy and it worked, so I am wondering whats up with Intrepid or what is wrong with my configuration.

* I can play the DVD disc no problem in Xine
* I have the css libs installed
* I can mount the dvd disc using 'sudo mount /dev/dvd -t iso9660 /media/cdrom0

But when I try the following command, I get I/O errors:

Code:
sudo cp -r * /media/cdrom0 /home/user/Desktop/newfolder
The error I see is:

Code:
cp: reading `video_ts/vts_01_0.vob': Input/output error
Any ideas, anyone?
 
Old 03-08-2009, 06:40 AM   #2
greengrocer
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Some additional clues here.

I have found I can copy IFO and BUP files no problem. The issue is only with the .VOB files.

I can copy a single VOB file from with nautilus or simply using the cp command on my Ubuntu Edgy computer, but I cannot do this on my Ubuntu Intrepid computer.

This leads me to think that I have probably installed a package at some stage on my Edgy computer which enables the simple copy of a .VOB file.

So I am wondering if anybody might know what package might have made it possible to do a simple copy of a single VOB file?

I have installed Transcode and ffmpeg, but installing either of these have not resolved the issue.
 
Old 03-08-2009, 06:45 AM   #3
N3rding
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Not really sure what your problem might be, maybe try ripping dvds with k3b it's what I've been using for quite some time now
 
Old 03-08-2009, 08:07 AM   #4
greengrocer
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I can copy the DVD disc with:

Code:
 sudo vobcopy -o /home/user/Desktop -m
and I get a perfect copy of a disc.

Essentially the issue is that an older version of Ubuntu that I have on one computer can copy a VOB file simply by performing a file copy as you would with any old file. But I cannot do same type of copy tecchnique with the latest version of Ubuntu on a newer computer.

So I am wondering why this problem occurs. There must be a package installed on my old computer that my new computer does not have. So I wonder which package that might be.
 
Old 03-08-2009, 02:06 PM   #5
thorkelljarl
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?

That is you can not obtain the file, VOB, that is under the file that is the disk? The file is visable. Can it be copied by any other method? Does the command vobcopy in fact exist in Ubuntu 8.10?

Last edited by thorkelljarl; 03-08-2009 at 02:16 PM.
 
Old 03-09-2009, 06:27 AM   #6
greengrocer
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Quote:
Originally Posted by thorkelljarl View Post
?

That is you can not obtain the file, VOB, that is under the file that is the disk? The file is visable. Can it be copied by any other method? Does the command vobcopy in fact exist in Ubuntu 8.10?
Yes vobcopy is a package that is installable through apt-get or synaptic.

As I said, vobcopy works, I can also play the DVD using Xine, but I cannot do a simple file copy of the VOB files using Nautilus (using Ubuntu V8.10)

But I can copy the VOB file using Nautilus on my older Ubuntu 7.04 install.

So what has changed in Ubuntu, or what might have I installed on the old Ubuntu that made copying VOB files so simple?

Last edited by greengrocer; 03-09-2009 at 06:37 AM.
 
Old 03-09-2009, 07:34 AM   #7
billymayday
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I don't know the answer, but as I recall, the issue is that CDs/DVDs don't have a files system in the usual sense of the word, so I'm surprised that it did work under the old version you had.


I know that doesn't really help you a lot, but I think it explains the problem.
 
Old 03-09-2009, 08:10 AM   #8
farslayer
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would libdvdcss2 have any effect on copying the vob's ? I know it's needed for playback of commercial encrypted discs, but I don't know if it would apply for this particular task or not..
 
Old 03-10-2009, 08:08 AM   #9
greengrocer
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Quote:
Originally Posted by farslayer View Post
would libdvdcss2 have any effect on copying the vob's ? I know it's needed for playback of commercial encrypted discs, but I don't know if it would apply for this particular task or not..
Again, I can play the DVD, the DVD is a commercially content scrambled disc.

Another interesting point is:

On the older Ubuntu computer, I can play the single VOB file, in Xine straight off the DVD disc. Yes the content is scrambled, but point is Xine will play the file, scrambled up and all.

On the new Ubuntu computer, Xine will not play the VOB straight off the DVD disc, The DVD must be played as per a typical DVD in Xine.

Any other suggestions???
 
Old 03-10-2009, 08:14 AM   #10
greengrocer
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Quote:
Originally Posted by billymayday View Post
I don't know the answer, but as I recall, the issue is that CDs/DVDs don't have a files system in the usual sense of the word, so I'm surprised that it did work under the old version you had.


I know that doesn't really help you a lot, but I think it explains the problem.
Not sure if the "not a filesystem" theory is valid at all. Otherwise why is it that I can copy the IFO and BUP files straight off the disc using Nautilus or even with the cp command from a terminal if the disc was not an accessible filesystem?

But I cannot copy the VOB files in Nautilus or using cp, only vobcopy or similar would work. (unless I use Ubuntu Edgy Eft, where cp does work on the VOB files).

So if it were a filesystem issue, why would I be able to copy the BUP and IFO files and not VOB files?

Last edited by greengrocer; 03-13-2009 at 07:01 AM.
 
  


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