[digiKam-users] Benefits or drawbacks from JPG to HEIF conversion

[Gilles Caulier]

HEIF has a lossless compression option and is already available in digiKam.
Of course is this case, you will loss the size gain of wavelets stuff...

Gilles Caulier

Le jeu. 9 janv. 2020 à 16:37, Pat David <patdavid at gmail.com> a écrit :

> Do note that converting a JPG to HEIF can be a lossy process, introducing
> more loss as a second-generation compression. :(
> Better to go to HEIF direct from a loss-less source if possible.
>
> On Thu, Jan 9, 2020 at 9:16 AM Gilles Caulier <caulier.gilles at gmail.com>
> wrote:
>
>> Hi,
>>
>> Compression algorithm is not the same. HEIF use a wavelets like
>> compression which is better in file size ratio for the same quality.
>>
>> Just experiment with BQM to translate a serie of JPEG to HEIF to see the
>> gain.
>>
>> Best
>>
>> Gilles Caulier
>>
>> Le jeu. 9 janv. 2020 à 16:06, Erick Moreno <erickmoreno at gmail.com> a
>> écrit :
>>
>>> Hi guys,
>>>
>>> I'm not generating HEIF files natively with my devices, but, since
>>> Digikam can handle them pretty well, as Google Photos and my cellphones
>>> does, I see that my main workflow is ready for a possible migration to heif.
>>>
>>> Considering that, there is any benefit converting my already compressed
>>> .jpg files to .heif files?
>>>
>>> What the benefits or drawbacks from this type of conversion?
>>>
>>> Thank you
>>>
>>> --
>>> *Erick Moreno*
>>> Science is like magic, but real
>>>
>>
>
> --
> https://patdavid.net
> GPG: 66D1 7CA6 8088 4874 946D  18BD 67C7 6219 89E9 57AC
>
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