Digikam raw files and darktable

Gilles Caulier caulier.gilles at gmail.com
Sat Jan 7 14:14:09 GMT 2017


2017-01-07 15:08 GMT+01:00 Juan Jose Casafranca <jjcasmar at gmail.com>:

> On sábado, 7 de enero de 2017 15:03:38 (CET) Gilles Caulier wrote:
> > As i explain before, ALL thumbnails generated by digiKam are stored in a
> > dedicated database (sqlite or Mysql).
> >
> > The thumbnails are stored using wavelets compression format PGF to
> optimize
> > space. In older DK version (3 for ex), we use FreeDesktop way with PNG
> > which explode storage for huge collection and take a while to store
> > thumbnails files. Also FreeDesktop recommendations is only limited to
> > 256x256, which is not enough for Hdpi screen (digiKam can store 512x512
> and
> > perhaps more in the future with 8K screen).
>
> Okay. But there is no need to change anything in DK for storing thumbnails.
> The only thing needed is to change the way thumbnails are generated and
> updated for raw files.
>
> Simply, when DK finds a new raw file, instead of loading the embedded jpg
> file,
> simply call the raw processor and generate the new file. And when the
> thumbnail
> is dirty (as I explained before), regenerate the thumbnail.
>
>
But this is already the case. We use already a raw decoder named libraw to
process RAW thumbnails. We will not using another one... Stop to puzzle the
code

Gilles Caulier
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