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September 2009

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2009.09.10 17:07 "JPEG_LIB_MK1 ?", by Dwight Kelly
2009.09.10 17:49 "Re: JPEG_LIB_MK1 ?", by Bob Friesenhahn
2009.09.10 18:13 "Re: JPEG_LIB_MK1 ?", by Even Rouault
2009.09.10 18:23 "Re: JPEG_LIB_MK1 ?", by Bob Friesenhahn

2009.09.10 18:13 "Re: JPEG_LIB_MK1 ?", by Even Rouault

Selon Bob Friesenhahn <bfriesen@simple.dallas.tx.us>:

Recently, Frank Warmerdam made a few changes in libjpeg CVS to built it for 12
bits/sample mode, in a way it can coexist with the standard 8 bits/sample. This
work has been integrated in GDAL SVN head and used by its internal libtiff for
example. Look at http://trac.osgeo.org/gdal/wiki/TIFF12BitJPEG for more details.

> On Thu, 10 Sep 2009, Dwight Kelly wrote:
>
> > Hello, what is the meaning of the define JPEG_LIB_MK1?
>
> There is a development version of libjpeg (based on 6b) in the same
> CVS repository as libjpeg which supports 8 and 12 bit bits/sample in
> the same build.  Unfortunately, this libjpeg was never quite completed
> and since there is now a JPEG 7 release and a JPEG 8 under
> development, I am afraid that the project has become orphaned.
>
> Bob
> --
> Bob Friesenhahn
> bfriesen@simple.dallas.tx.us, http://www.simplesystems.org/users/bfriesen/
> GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/
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>