Re: [Libjpeg-devel-6x] Support for renaming public API in support of dual 8bit/12bit configurations

[Bob F. <bfr...@si...>]

On Mon, 22 Jun 2009, Bob Friesenhahn wrote:
>
> Like it or not, JPEG 6b will be with us for quite some time even when
> JPEG 7 is available.  It takes several years for conservative stable
> Linux distributions (e.g. Debian) to update something as fundamental
> as libjpeg, and many users are likely to lag by another year so we can
> expect that JPEG 6b will remain dominant even on currently maintained
> OSs for at least three years.  Frank's approach allows for adding
> simultaneous 12 bit support for specialized applications without upset
> to the rest of the system.

I should follow up by mentioning that since JPEG 7 provides a JPEG 6b 
compatible API, that if JPEG 7 incorporates the ability to be 
installed as an adjunct 12-bit library that it is possible for a 
library or application to use JPEG 6b for 8-bit JPEG and JPEG 7 for 
12-bit JPEG.

Bob
--
Bob Friesenhahn
bfr...@si..., http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/