[Digikam-devel] [Bug 305382] editing RAW gives artefacts with Bilinear quality

[Axel Krebs]

https://bugs.kde.org/show_bug.cgi?id=305382

--- Comment #22 from Axel Krebs <axel.krebs at t-online.de> ---
Gilles + Marcel:

This sounds great. Impressive work. Thank you guys!

Please let me know, if I could help somehow.


Axel

(please, _NOT_ "Alex")
---
Am 29.10.2012 10:13, schrieb Gilles Caulier:
> https://bugs.kde.org/show_bug.cgi?id=305382
> 
> --- Comment #19 from Gilles Caulier <caulier.gilles at gmail.com> ---
> Created attachment 74861
>   --> https://bugs.kde.org/attachment.cgi?id=74861&action=edit
> Makefile.dist used to reproduce artifacts problem with LibRaw
> 
> Alex,
> 
> I found the problem... It's in libraw source code. I'm sure. I can reproduce
> the artifacts problem with official Libraw 0.15.0-beta1 tarball.
> 
> The problem is about "-O4" gcc compilation optimization option. If you remove
> it from offcial MakeFile.dist, the artifacts problem is reproducible with
> "dcraw_emu -q0 myrawfile.NEF" (NEF is just and example, it's also reproducible
> with CR2 files...)
> 
> Gilles Caulier
>

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