Looking for fast way to check whether a DVD is well recorded

[Robin Laing]

Paul Smith wrote:
> On 4/20/06, Robin Laing <Robin.Laing at drdc-rddc.gc.ca> wrote:
> 
>>>Is there some way to check whether a (video) DVD is well recorded
>>>without playing it?
>>
>>If you have the original ISO, then you can do a checksum of the images.
>>  Or mount the DVD and do a checksum of the individual files.
>>I have done this from time to time.
>>
>>What do you have for a reference to compare to?
>>
>>If you don't have any original files to compare to, you can only check
>>to see if the files either play properly or can be copied.
>>
>>What are you trying to check for?  This may help in giving a decent answer.
> 
> 
> Thanks, Robin. Actually, I do not have the originals. Someone recorded
> them for me on DVD+RW disks and for some of them vobcopy does not
> work, but it does work for one of them. Then, I am suspecting that the
> ones that fail with vobcopy are badly recorded.
> 
> Paul
> 

Paul,

I have used mplayer to play *.vob files almost daily.  If you need to 
recover part of the file, you may be able to this way.  Also in the past 
I had some strange problems with multisession CD's not reading properly 
but I was able to recover the data but I don't know how.

-- 
Robin Laing