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Bug 299994 - media-libs/jpeg-7 about five times slower than jpeg-6b (at least for media-tv/xbmc)
Summary: media-libs/jpeg-7 about five times slower than jpeg-6b (at least for media-tv...
Status: RESOLVED UPSTREAM
Alias: None
Product: Gentoo Linux
Classification: Unclassified
Component: [OLD] Library (show other bugs)
Hardware: x86 Linux
: High normal (vote)
Assignee: Gentoo Linux bug wranglers
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2010-01-07 06:49 UTC by Urs Zurbuchen
Modified: 2010-01-07 09:58 UTC (History)
0 users

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Package list:
Runtime testing required: ---


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Description Urs Zurbuchen 2010-01-07 06:49:22 UTC
Yes, of course, performance issues are to be resolved upstream.

But: Wouldn't it be possible to reinstate the ebuilds for jpeg-6b? To allow users to decide for themselves whether they want a bleeding-edge system or a fast one.

Again, yes I know, old ebuilds can be retrieved from CVS but this is kind of cumbersome and not very user friendly.

Kind regards,
Urs

Reproducible: Always

Steps to Reproduce:
1. Take current, stable Gentoo system
2. Make sure it has jpeg-7
3. Install and run media-tv/xbmc

Actual Results:  
Image transitions, especially for background images and fanart, take several seconds.

Expected Results:  
Image transitions should be near instantaneous.

After downgrading to jpeg-6b-r8 image transitions were noticeably faster.
Comment 1 Samuli Suominen (RETIRED) gentoo-dev 2010-01-07 09:58:39 UTC
Everything in tree should work by now with jpeg-7 except some minor issues 
with mjpegtools and jpeg2yuv (soon to be resolved). 

The ebuild won't be restored for upstream performance problems.