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Old 07-20-2007, 07:23 AM   #1
wrat
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Burn files >4 gig


large avi files on a dvd k3b chokes and says its not possible to add files greater than 4 gig and gnomebaker just dies,even if I try to change the properties in k3b to udf it still does not work,
Now I know it can be done because I have done it with nero in windows
I tried the update to gonomebaker which was supposed to solve this and it did not,what am I missing??
 
Old 07-20-2007, 08:16 AM   #2
Simon Bridge
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Possibly nero splits large files without telling you? Maybe you were using a different drive when you did this before?

It is very common to use a file splitter in these circumstances, and rigging the system to play each file contiguously.

4GiB is often quoted as a practical limit for udf file sizes. But I think the theoretical limit is in the terabytes.
http://www.softarch.com/us/dvd/UDF_whitepaper.pdf

The best bet is to use the CLI tool (wodim or cdrecord) in verbose mode and see what it says.
 
Old 07-29-2007, 09:36 AM   #3
wrat
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nope same drive and nero does not split files without telling any other ideas aside from using cli?
 
Old 07-29-2007, 10:25 AM   #4
pwc101
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I presume the reason nero can do it is that it uses level 3 isos, not level 2. Level 2 isos are limited to single files of less than 4GB. The wikipedia page on iso9660 has more info.

To burn 4GB files, you need to write a level 3 iso (if memory serves). You can specify this in mkisofs, and since k3b is just a front end for mkisofs and cdrecord, I'm sure there's an option in there somewhere to do this.
 
Old 07-30-2007, 06:08 AM   #5
wrat
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Quote:
Originally Posted by pwc101
I presume the reason nero can do it is that it uses level 3 isos, not level 2. Level 2 isos are limited to single files of less than 4GB. The wikipedia page on iso9660 has more info.

To burn 4GB files, you need to write a level 3 iso (if memory serves). You can specify this in mkisofs, and since k3b is just a front end for mkisofs and cdrecord, I'm sure there's an option in there somewhere to do this.
Hmm just checked that page in the wiki and I did not see mention of UDF just iso and they are not the same also in the first paragraph of the article it states that dvds CAN use the iso file system BUT the UDF file system is more appropriate.

The 4 gb limit in k3b somehow limited by k3b I have read feature requests regarding it at http://k3b.plainblack.com/
 
  


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