[Bug 661264] [NEW] progress bar does not calculate remaining time/percentage accurately

[komputes]

Public bug reported:

Binary package hint: brasero

Brasero does not calculate remaining time or percentage properly, which
is reflected in the progress bar.

Two situations to fix which may make the estimation more specific:

1 - Slow start to burn. The slow start to the disc spinning gives an
inaccurate estimation. For example: 438 minutes remaining, when the disc
actually took under 15 minutes to burn. The slow start issue seems to
mean that the time shown to the user is not an average but a real-time
number. There must be some ways to correct this to that the user knows
how long they will be waiting before the disc is done.

2 - Post-burn operations are not included in the % remaining estimation.
After the burn is complete (or so assumes since it says 100%) it still
needs 1:30 seconds for post-burn operations (Creating image checksum).
These operations count down by the second, but seem to cound a second in
1/3 of a second, meaning it is running 3 times to fast. The progress
dialog is inaccurate saying it is 100% done while it still has a long
ways to go. This should be corrected so that these tasks are calculated
into the remaining time and percentage.

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: brasero 2.32.0-0ubuntu2
ProcVersionSignature: Ubuntu 2.6.35-22.34-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic i686
Architecture: i386
Date: Fri Oct 15 10:29:14 2010
EcryptfsInUse: Yes
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release i386 (20101007)
ProcEnviron:
 LANG=en_CA.UTF-8
 SHELL=/bin/bash
SourcePackage: brasero

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


** Tags: apport-bug i386 maverick

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progress bar does not calculate remaining time/percentage accurately
https://bugs.launchpad.net/bugs/661264
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