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

[Gilles Caulier]

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http://bugs.kde.org/show_bug.cgi?id=154753         




------- 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:

http://www.adobe.com/support/downloads/dng/dng_sdk.html

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

Gilles