[Digikam-devel] [Bug 154753] Add support for JPEG data precision 12

Gilles Caulier caulier.gilles at gmail.com
Sat Dec 29 19:19:00 GMT 2007

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------- Additional Comments From caulier.gilles gmail com  2007-12-29 20:18 -------
Hi Marcel,

If i remember libjpeg do not support more than 8 bits color depth. In fact, the libjpeg is not maintained anymore and do not implement all JPEG spec...

To have checked DNG SDK from Adobe, there is a fork of libjpeg inside where 16 bits color depth + lossless compression have been added. But the main problem with this implementation is the license : non GPL like...

Code is interesting to study if you is curious. Look here:


Gerhard, for me, this file cannot be solved easily...


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