[Digikam-devel] [Bug 149578] libjpeg JPEG subsampling setting is not user-controlable

Jean-Marc Liotier jim at liotier.org
Fri Sep 7 14:55:55 BST 2007


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http://bugs.kde.org/show_bug.cgi?id=149578         




------- Additional Comments From jim liotier org  2007-09-07 15:55 -------
I second Gille's suggestion of three quality levels :

"High chroma subsampling" ==> 2x2 1x1 1x1
"Medium chroma subsampling" ==> 2x1 1x1 1x1 (4:2:2)
"Low chroma subsampling" ==> 1x1 1x1 1x1 

But I would choose "Medium chroma subsampling" as the default since a lower subsampling is overkill for most digital photographers, including the immense majority of DSLR users and an even higher proportion of Digikam users.



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