So I have two dvds from the library that I cannot seem to manage to copy. They are from a well-known series of 8 movies. 3 of the first 5 movies copied just fine. But movie 3 and 5 seems to be damaged. It is quite normal with library cds/dvds that they are too scratches. With music CDs I have solved it before by getting multiple copies of the same disk and getting the good parts from each.
However, my experience with DVDs is quite limited but the result I am getting seems impossible to me unless this is some kind of copy protection that I cannot figure out a solution for.
So to resolve my problem I managed to get 2 copies of movie A and 3 copies of movie B. I found that isobuster is able to create an image with what good parts it can get and then I could try a new drive and/or disk and see what of the failed parts could be retrieved.
But even with this approach I get that the disks are 17% and 21% unreachable even with the multiple copies and between 2 drives. It seems impossible to me that they are so damaged that the damage overlap this much.
DVD decrypter and makemkv gives read errors and slows down so much that a rip would take many days and obviously still have the errors.
If I try to mount the incomplete iso from isobuster and convert it in makemkv I just get "The source file '/VIDEO_TS/VTS_01_1.VOB' is corrupt or invalid at offset 4096, attempting to work around" and it exits.
So is there a trick here? Or are all the DVDs really just fubar to the extend that the damage overlaps by this much?