[Digikam-devel] [Bug 130525] Saving large (>5M) jpg's result in corrupt file

[Gilles Caulier]

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http://bugs.kde.org/show_bug.cgi?id=130525         




------- Additional Comments From caulier.gilles free fr  2006-07-16 22:48 -------
Marcel,

This is my suggestions :

- using a jpeg compression ratio value under 50 give a lot of artifact.
- current preview size is 800x600. A size of 640*480 is also right to render on the screen (it used by Minolta camera). 
- using a preview size under 640*480 is not adapted. To optimize in all case, i recommend to use 640*480 by default instead 800x600 with JPEG files.
- unforget that IPTC is used also to store other metadata like comments, tags, rating, and others stuff. We need some place for that in iptc array. And this is the most important than preview.

The iptc spec is available here :

http://www.iptc.org/std/IIM/4.1/specification/IIMV4.1.pdf

Look page 45 and 47.

Gilles