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Old 12-26-2004, 01:54 AM   #1
minm
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problem making iso backup from dvd


Hi, when i try and backup a file i get this problem

dd: reading `/dev/hdd': Input/output error
3920+0 records in
3920+0 records out


Does anyone know why?

Thanks
 
Old 12-26-2004, 02:16 AM   #2
minm
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btw i typed

dd if=/dev/hdd of=/home/mark/data.iso
 
Old 12-26-2004, 02:28 AM   #3
whipermr5
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Are you sure there's a recordable drive at /dev/hdd?
 
Old 12-26-2004, 02:37 AM   #4
minm
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yeah it is
 
Old 12-26-2004, 03:13 AM   #5
minm
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It seems to only make the iso files 1.5 megs then stops and gives me that error

help anyone?
 
Old 01-25-2005, 08:08 AM   #6
Elventhor
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Hi!
If you have libdvdread and libcss and mplayer just do the following:
$ mplayer dvd://
mplayer then opens the dvd and plays it. You can esc it away as soon as the video window has been opened.
Then try the dd trick again
$ dd if=/dev/dvd of=image
The image will be done and you can play it with xine easily (just set the dvd-device to the image)
Haven't been able to burn the image to dvd-r though....
 
Old 01-25-2005, 04:44 PM   #7
Elventhor
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Yeap. Spent the day experimenting and the only "good" way to do it is (AFAIK!):
(assuming that your dvd-r drive is /dev/dvd)
$ mkdir /tmp/dvdbackup
for the dvd dump
$ mkdir /tmp/mount
for mounting the dvd
$ dvdbackup -M -i /dev/dvd -o /tmp/dvdbackup
Let's rip the movie (-M takes a full copy (menus etc), -F grabs just the movie)
$ mount -t udf /dev/dvd /tmp/mount/
We need to mount the dvd for grabbing some IFO-files.
$ cp -i /tpm/mount/VIDEO_TS/*.IFO mount/VIDEO_TS/VIDEO_TS* dvdbackup/<something>/VIDEO_TS/
You need to change the something to whatever it is
Also, make sure to answer NO to any query for overwriting something.
$ mkisofs -dvd-video -v -o image.udf /tmp/dvdbackup/
Almost done, let's make a image we can burn to dvd-r..
$ growisofs -dvd-compat -Z /dev/dvd=image.udf
And finally, let's burn the bastard.

Dunno, works for me

Last edited by Elventhor; 01-25-2005 at 04:45 PM.
 
Old 02-07-2005, 05:18 PM   #8
ensnaregod
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haven't tried it but i have a question

I haven't tried it but i have a question.... If you have a DVD image thats larger than 4.7 Gigs then you will need to have a dual layer burner correct????? And if you don't have one and assuming that the previous statment is correct, then how can you burn a Movie or what ever you are ripping from to a single Layer DVD burner without rerencoding it?
 
Old 02-10-2005, 05:12 PM   #9
Elventhor
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Quote:
If you have a DVD image thats larger than 4.7 Gigs then you will need to have a dual layer burner correct?
Correct.
Quote:
how can you burn a Movie or what ever you are ripping from to a single Layer DVD burner without rerencoding it?
Well, the movie may well fit into a 4.7Gig DVD, all you need to do is rip the menus and other unnecessary stuff away and just keep the movie.
If you're unlucky and the movie is >4.7Gig, you need to re-encode it.
 
Old 02-10-2005, 11:45 PM   #10
ensnaregod
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well i just want to rip the entire thing as if it was identical. is there a way to do that ? I don't think its possible to burn a dvd with dd
 
Old 02-17-2005, 12:58 AM   #11
minm
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what i like to do with files over 4.7 gigs is to use cat and i can divide say a 6 gig iso file into 6 1 gig ones, burn them on two 4.7 gig discs then if i want to watch them on my computer i just throw all 6 files into one folder then recombine them and mount it

takes a lot of steps but it's good enough till dual layer goes down in price
 
Old 02-17-2005, 01:24 AM   #12
overlord73
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Re: problem making iso backup from dvd

Quote:
Originally posted by minm
Hi, when i try and backup a file i get this problem

dd: reading `/dev/hdd': Input/output error
3920+0 records in
3920+0 records out


Does anyone know why?

Thanks
seams that dd cannot handle some copyprotections!
 
Old 02-17-2005, 03:34 PM   #13
ensnaregod
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??

how is it possible that dd something that copys direct binary can't copy that??
 
Old 02-17-2005, 05:16 PM   #14
cathectic
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Code:
how is it possible that dd something that copys direct binary can't copy that??
Because the video data on commercial DVDs are encrypted using CSS. No DVD burners or media that you use allows you to copy the CSS key from the DVD to another disc (the media has the area for the CSS key already written over, and the burner won't let you access it anyway). Therefore, the video on the disc has to be decrypted first before it can be copied.

Therefore, whilst you can use dd, I would hardly recommend it, as I imagine it won't decode the video data first.

dvdbackup can decode the video, and also split the disc up if it's too large for a DVD5 (at the expense of losing subtitles) - but you need to know on what chapter or time to split it, and it isn't very informative of the size of any given number of chapters (usually splitting a movie in half is sufficient though.)

You can then use something like growisofs to then burn that straight to a DVD (since dvdbackup will already have produced a DVD compatible file format for you)
 
Old 12-23-2005, 06:35 PM   #15
jayme101501
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question

Quote:
Originally Posted by minm
what i like to do with files over 4.7 gigs is to use cat and i can divide say a 6 gig iso file into 6 1 gig ones, burn them on two 4.7 gig discs then if i want to watch them on my computer i just throw all 6 files into one folder then recombine them and mount it

takes a lot of steps but it's good enough till dual layer goes down in price

Could you explain this to me in more detail? I have a 300 minute movie i want to burn and was wondering how to put it on 2 seperate discs? thanks
 
  


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