D26648: Improved quality of JPEG thumbnails

[Stefan Brüns]

bruns added a comment.


  In D26648#593895 <https://phabricator.kde.org/D26648#593895>, @volkov wrote:
  
  > But as I mentioned there, it doesn't really influence on the decoding speed, and it was only needed to preserve the old behavior as much as possible.
  
  
  Can we have some quick benchmarks of e.g. generating Thumbnails for typical 24MP smartphone images? Only having to decode DC and scale down should be significantly faster CPU wise, and probably also saves IO.

REVISION DETAIL
  https://phabricator.kde.org/D26648

To: chroniceel, broulik, #frameworks, #vdg
Cc: meven, volkov, cfeck, bruns, ngraham, kde-frameworks-devel, kfm-devel, pberestov, iasensio, fprice, LeGast00n, MrPepe, fbampaloukas, alexde, GB_2, Codezela, feverfew, michaelh, spoorun, navarromorales, firef, andrebarros, emmanuelp, mikesomov
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