[digiKam-users] Extract thumbnails from thumbnails-digikam.db

[Gilles Caulier]

yes,i know your nickname. Invitation was sent this morning already (:-)))

Gilles

Le mer. 9 juin 2021 à 13:23, Dmitri Popov <dmpop at tokyoma.de> a écrit :

> Hi Gilles,
>
> > I invite you to contribute to the github project where is store the PGF
> to PNG converter.
>
> That would be perfect! My GitHub username is dmpop
>
> Kind regards,
> Dmitri
> ---
> Tōkyō Made - https://tokyoma.de/
>
> June 9, 2021 1:18 PM, "Gilles Caulier" <caulier.gilles at gmail.com> wrote:
>
> > I invite you to contribute to the github project where is store the PGF
> to PNG converter. This is
> > the right place to store extra scripts to extract PGF blob from database.
> >
> > Best regards
> > Gilles
> > Le mer. 9 juin 2021 à 12:45, Dmitri Popov <dmpop at tokyoma.de> a écrit :
> >
> >> Sure thing! I'll ping you when the script is ready. Thanks, Gilles!
> >>
> >> Best,
> >> Dmitri
> >> ---
> >> Tōkyō Made - https://tokyoma.de/
> >>
> >> June 9, 2021 10:43 AM, "Gilles Caulier" <caulier.gilles at gmail.com>
> wrote:
> >>
> >>> Hi Dmitri,
> >>>
> >>> If you have a script to extract thumbnails as PGF blobs from digiKam
> database, we can share files
> >>> in my github project.
> >>>
> >>> Best
> >>>
> >>> Gilles
> >>> Le mer. 9 juin 2021 à 09:00, Dmitri Popov <dmpop at tokyoma.de> a écrit :
> >>>
> >>>> Thank you very much for your prompt reply, Gilles!
> >>>>
> >>>> Best,
> >>>> Dmitri
> >>>>
> >>>> June 8, 2021 6:36 PM, "Gilles Caulier" <caulier.gilles at gmail.com>
> wrote:
> >>>>
> >>>>> hi Dmitri,
> >>>>>
> >>>>> Hey no, it's not a JPEG image, it's PGF image image (using wavelets
> compression). It's better
> >>>> than
> >>>>> JPEG in speed, quality, and size.
> >>>>>
> >>>>> To convert this PGF t PNG for ex, use my CLI tool from my github
> account :
> >>>>>
> >>>>> https://github.com/cgilles/digikam-pgf-database
> >>>>>
> >>>>> Best regards
> >>>>>
> >>>>> Gilles Caulier
> >>>>> Le mar. 8 juin 2021 à 18:20, Dmitri Popov <dmpop at tokyoma.de> a
> écrit :
> >>>>>
> >>>>>> Hello,
> >>>>>>
> >>>>>> A technical question from someone who has no idea what he's doing.
> :-) I'm trying to exact a
> >>>>>> thumbnail directly from the thumbnails-digikam.db database, but
> this command gives me a file
> >>>> that
> >>>>>> is not recognized as JPEG:
> >>>>>>
> >>>>>> sqlite thumbnails-digikam.db "SELECT writefile('thumbnail.jpg',
> data) FROM Thumbnails WHERE
> >>>> id=1;"
> >>>>>>
> >>>>>> What am I doing wrong?
> >>>>>>
> >>>>>> Thank you!
> >>>>>>
> >>>>>> Kind regards,
> >>>>>> Dmitri
> >>>>>> ---
> >>>>>> Tōkyō Made - https://tokyoma.de/
>
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