http://digikam.185.s1.nabble.com/digiKam-users-Extract-thumbnails-from-thumbnails-digikam-db-tp4717132p4717139.html
Sure thing! I'll ping you when the script is ready. Thanks, Gilles!
> 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 <
[hidden email]> a écrit :
>
>> Thank you very much for your prompt reply, Gilles!
>>
>> Best,
>> Dmitri
>>
>> June 8, 2021 6:36 PM, "Gilles Caulier" <
[hidden email]> 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 <
[hidden email]> 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/