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Re-author creates two of the same titles
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daviddori
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1. January 2009 @ 11:00 _ Link to this message    Send private message to this user   
I had some vhs tapes that I converted to dvd with one of those stand alone vhs->dvd recorders. When I try to backup the dvd to an iso with dvd shrink, it creates a title 1 and an identical title 3, so the duration is exactly twice what it should be. When I try re-author, there are indeed two of the same titles (1 and 3) that I can choose to add. Is this a problem with the output of the standalone converter or is dvd shrink reading it wrong or something? If I put the disk in a dvd player, the menu only has 1 title.

Any thoughts?

David
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1. January 2009 @ 12:02 _ Link to this message    Send private message to this user   
For some odd reason,dvd shrink doesn't recognize the backups that came from my vhs/8 mm to dvd- via standalone dvd recorder backups. "Invallid Navigation structure error".. This is once the disc has been finalized. I don't have any unfinalized discs around to see how dvd shrink recognizes it.

Has the disc been finalized or made compatable?


ImgBurn will,after that stand alone backup has been finalize. Not sure it it'll work if the backup isn't finalized.

ImgBurn:The disc is already properly sized,no encryption,so should only take 5 mins or so to rip to harddrive. Then click write,set burn speed 4x or 8x and burn away.If you want an exact copy of that disc,imgburn is the way to go and it's free.




HP a1118x-b/athlon 64-3300+/BenQ 1650 BCDC/LG 8163B/Modded Wii/Epson-R300 and Ty Watershields!!!
daviddori
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1. January 2009 @ 12:05 _ Link to this message    Send private message to this user   
I don't think that is quite the same issue. Mine is recognized, but twice!
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1. January 2009 @ 12:07 _ Link to this message    Send private message to this user   
If you open the disk with Windows Explorer, is there only one title set in the 'VIDEO_TS' folder.
'VTS_01..' referring to Title 1.
If there was another title it would be the likes of 'VTS_02..'.


daviddori
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1. January 2009 @ 12:10 _ Link to this message    Send private message to this user   
there is only vts_01_1 through vts_01_5.vob

what are these 5 things?
AfterDawn Addict
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1. January 2009 @ 12:23 _ Link to this message    Send private message to this user   
The VOB files are the actual video.
The maximum size for a VOB file is 1GB - as shown on the image.
Regarding saugmon's post - I doubt an unfinalized disk would be recognized, but I wonder if actually ripping the DVD to a folder would show the same file structure as the actual DVD.
olyteddy
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1. January 2009 @ 19:43 _ Link to this message    Send private message to this user   
Quote:
Any thoughts?

Just use one of the titles? They're likely the same files with two references to them and not seperate sets of files.
If you merely want to copy the disk, use IMGBurn. It will let you create and write ISO files, and if the source is a recorded disk there isn't any copy protection to overcome.

This message has been edited since posting. Last time this message was edited on 1. January 2009 @ 19:44

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1. January 2009 @ 20:09 _ Link to this message    Send private message to this user   
To expand on what olyteddy said, I would think if the .IFO files were incorrectly written by the DVD Recorder, then a ripper like 'DVD Decrypter' (if set in 'IFO' mode) would 'see' the same information as DVD Shrink - I.E. multiple titles.
daviddori
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1. January 2009 @ 21:46 _ Link to this message    Send private message to this user   
yea, I've been using just one of them - but it's weird that it's not just an artifact of seeing 2 titles, but since they both have the same length, it output dvd shrink wants to make is say 3 hours, when if I only use one it is only 1 hr 30 mins. Know what I mean?
Joleca
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2. January 2009 @ 06:14 _ Link to this message    Send private message to this user   
OK, this is going to be long, but eventually I WILL get to the point ;)

Thinking maybe this is just the nature of "the beast".. I have an LG DVD Recorder/VCR combo machine... works great for burning things I want to save off the satellite DVR and like you, lets me salvage my old VHS tapes to DVDs (before they deteriorate completely..

I have a friend overseas that I wanted to send copies of one of our favorite programs which starts its new season next week.. Mailing actual DVDs gets pretty expensive and plus there's the delay from the USA to Europe, so I thought maybe I could rip a DVD I'd burned and convert to an .avi file and upload to Driveway.com and then my friend could download and then burn the file to disc (Driveway is private file sharing up to 500mb).

I ripped a movie I had burned from my satellite DVR to my HDD with AnyDVD ripper, then went to try and convert with AGK (which I found out about here at the AD forums).. When I pointed AGK to the .ifo file, it told me there were 2 PGCs (program chains) and both were exactly the same size... didn't make sense to me since I had only recorded the one movie without stopping it and then finalized the disc.. So, I picked the first one and let it do its thing.. Took about 7 hours altogether, but when done, I had a perfect 700mb avi copy of the movie on my DVD (so I know this will work to be able to send files to my friend)..

Now.. starting to get to the point.. After I read your post, I popped a DVD that I had burned with the combo recorder back in my drive and tried to open with DVD Shrink... I got the same error "invalid navigation structure error" that saugmon got, so I'm wondering what's going on.. AnyDVD had no problem with it and it plays on both the computer and stand-alone players.. So, off to Windows Explorer like attar did... and I found (sorry, don't now how to do a capture).. instead of the AUDIO_TS and VIDEO_TS folders, the DVD has VIDEO_RM and VIDEO_TS folders...

The AUDIO_TS folder on a normal DVD is empty (and not present on this disc)...

I'm not sure what the VIDEO_RM folder is used for, but it contains 3 files
VIDEO_RM.BUP
VIDEO_RM.DAT
VIDEO_RM.IFO

The VIDEO_TS folder contains 9 files
VIDEO_TS.BUP
VIDEO_TS.IFO
VIDEO_TS.VOB
VTS_01_0.BUP
VTS_01_0.IFO
VTS_01_1.VOB
VTS_01_2.VOB
VTS_01_3.VOB
VTS_01_4.VOB

I checked this against a regular DVD and the structure of the VIDEO_TS folder is the same (depending on how many movies or episodes have been burned)...

So, all I can figure is that it is something to do with the VIDEO_RM folder the combo recorder created... Like you, in a regular player (or on my laptop's PowerDVD player or VLC player), when the disc opens, it only shows the one title. I'm thinking Shrink can't read my discs and saugmon's disc because the recorder doesn't create the AUDIO_TS folder.. I checked the files for the DVD I ripped to my HDD with AnyDVD and it only shows the VIDEO_TS folder. Might have to check if Shrink could open the files if I created an AUDIO_TS folder on the HDD...

So, my "2 cents" on it, but I think its in how the combo unit is structuring the files it burns...




~~~~ Nothings Forgotten. Nothing Is Ever Forgotten. ~~~~
AfterDawn Addict
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2. January 2009 @ 09:10 _ Link to this message    Send private message to this user   
@Joleca
That's interesting about AGK.

VIDEO_RM folders seems to be a relic that some recorders insist on writing to the disk - my Panasonic only writes a VIDEO_TS folder.
As a test, I created the VIDEO_RM folder and burned it with the VIDEO_TS folder to disk and DVD Shrink opened the disk without comment.

http://www.afterdawn.com/glossary/terms/video_rm.cfm

Multiple pgc's showing in AGK would seem to be saying that the recorder is the source of the problem with DVD Shrink - but I don't know if it is in fact an illegal operation that the recorder is carrying out.

If this recorder is the source of the problem with DVD Shrink - and a standard DVD navigation structure is desired - possibly the VOB files can be copied/pasted to a folder and Ifoedit can write a new set of IFO files that can then be burned to disk.
Joleca
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2. January 2009 @ 10:07 _ Link to this message    Send private message to this user   
@attar

I checked the files I had ripped from the DVD I burned on the DVD recorder... only showed a VIDEO_TS folder, so AnyDVD ignored the VIDEO_RM folder when it ripped the disc.

Then tried opening the files in Shrink (which couldn't read the actual DVD) and had no problem opening.. But, like the "OP" and daviddori, I'm seeing twice as much as is really there.. The movie is actually a little under 2 hour, but DVD Shrink shows the total time as almost 4 hours.... It also shows the main movie as Title 1 & Title 3, and the title screens under extras as Title 2 and Title 4.

I scanned thru the movie in the preview window and nothing seems duplicated or repeated, but Shrink is showing the total time as 3 hrs & 49 mins and the actual playback on the original DVD and the AVI I built with AGK is only 1 hr and 53 mins. Would be interesting now if I try backing up the entire movie again with Shrink as full movie (I like to keep things the way they originally are) and see what the final time ends up being.

FYI, my recorder is an LG combo DVD recorder/VCR, upconverts to HD and can record DVD to VCR and VCR to DVD.. I'm at work now, so can't remember the exact model #, but I can post when I get home.. Its about 2 years old and have never had a problem with it.. So far every disc its made is playable in every player or drive I've tried.. Only thing so far that doesn't seem to be able to read them is DVD Shrink




~~~~ Nothings Forgotten. Nothing Is Ever Forgotten. ~~~~
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2. January 2009 @ 10:22 _ Link to this message    Send private message to this user   
This sounds like where you have a commercial movie that has two versions (Theatre and Directors Cut) - where there isn't actually two movies, just different chains to different parts within the VOB's.
But I can't fathom why a DVD Recorder would do this.
Anyway, DVD Shrink in Re-author mode would give a choice of Titles to select for backup.

This message has been edited since posting. Last time this message was edited on 2. January 2009 @ 10:23

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Joleca
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2. January 2009 @ 12:06 _ Link to this message    Send private message to this user   
Kind of odd isn't it... But as another poster had mentioned, if I really need another copy of the existing DVD, ImgBurn would work just fine on its own... Since I'm using regular DVD+R's in the recorder, there isn't anything to shrink, would just need to copy the existing disc.

And the recorder I have is an LG RC199H

Something else interesting about the discs burned from the recorder.. Tried a half dozen more after I got home.. Seems like anything burned all at one time and then finalized (like a movie) without ending the recording (pause was ok), DVD Shrink IS able to open and read the disc (although it does show everything as duplicate with the run time twice as long as the actual disc. BUT... if I put in a disc with multiple recordings (like several episodes of a series), Shrink comes back with the Invalid Structure error (so like you, it didn't matter about the VIDEO_RM folder)... If I rip the disc to the hard drive, Shrink has no problem opening the files (still shows double as before). And regardless, AGK shows the multiple PGC's and asks me to pick (again, not a big deal, but interesting)...

I'm going to spend some time looking at the manual for my recorder and see if maybe there's some kind of background setting I either need to set or change.

Originally posted by attar:
This sounds like where you have a commercial movie that has two versions (Theatre and Directors Cut) - where there isn't actually two movies, just different chains to different parts within the VOB's.
But I can't fathom why a DVD Recorder would do this.
Anyway, DVD Shrink in Re-author mode would give a choice of Titles to select for backup.





~~~~ Nothings Forgotten. Nothing Is Ever Forgotten. ~~~~
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