[Bug 897550] [NEW] Brasero thinks the capacity of a blank dvd -r is 4.3 GB when it's actually 4.7 GB

[Doug McMahon]

Public bug reported:

Starting in 11.10 nautilus reports file (iso) size in actual GB, but
brasero incorrectly uses  4.3 GB as the capacity of a dvd -r

The actual numbers of a dvd -r are
available space - 4,706,074,624 bytes/2,297,888 sectors/4.7GB/4.38GIB
So an iso that is near the true max file size of a dvd -r, while it will fit , is now  rejected by brasero as being to large for the media

Ex. - have an iso that can and has been burned to dvd -r

Actual size - 4,691,394,560 bytes
Nautilus/properties reports - 4.7 GB (4,691,394,560 bytes)
Brasero shows iso size as 4.7 GB, media capacity as 4.3 GB, refuses to burn

(as a comparion a dvd burner, ImgBurn, that just uses bytes/sectors  for filesize & media avaialble space shows this & will burn
iso size - 4,691,394,560 bytes/2.290.520 sectors : dvd -r media - Free Sectors: 2,297,888 ; Free Space: 4,706,074,624 bytes

So it would seem brasero, gnome/nautilus, ubuntu need to get on the same
page here & brasero needs to use the same method for  both filesize &
media capacity, either GB or GIB

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: brasero 3.2.0-0ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-1.3-generic 3.2.0-rc2
Uname: Linux 3.2.0-1-generic i686
ApportVersion: 1.90-0ubuntu1
Architecture: i386
Date: Tue Nov 29 01:12:45 2011
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha i386 (20111126)
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: brasero
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: brasero (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 precise regression-release running-unity

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https://bugs.launchpad.net/bugs/897550

Title:
  Brasero thinks the capacity of a blank dvd -r is 4.3 GB when it's
  actually 4.7 GB

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