Re: [RFC] jpeg library

2009-08-10 Thread Charles Wilson
Charles Wilson wrote: > OK...new plan: jpeg-v7 will be released for cygwin-1.7 only, using > gcc4/dw2/shared-libgcc only, and will have the name "cygjpeg-7.dll". It > will NOT have lossless jpeg support. > > I'll do this soon. I've just posted, for 1.7 only, an update for libjpeg to jpeg v7. T

Re: [RFC] jpeg library

2009-06-28 Thread Dave Korn
Charles Wilson wrote: > In that same conversation, there is a lot of mention of the use of > symbol versioning as the panacea for all possible version conflicts. > Nobody has seemed to point out that it works only on ELF systems. This will not be a problem for us forever, I hope :) cheers,

Re: [RFC] jpeg library

2009-06-28 Thread Charles Wilson
Dave Korn wrote: > I was just about to say "We could always try and find a security > vulnerability, that's the only thing that would cause upstream to update > libjpeg these days! :) But then I took a look at the new change.log and it's > actually crammed with new and improved functionality, s

Re: [RFC] jpeg library

2009-06-28 Thread Charles Wilson
Yaakov (Cygwin/X) wrote: > On 28/06/2009 01:17, Charles Wilson wrote: >> Nope. Upstream development is DEAD. There was some flurry of activity >> about two years ago, but it never went anywhere. If IJG's libjpeg >> wasn't so widespread and widely used, I'd want to look at some other >> library t

Re: [RFC] jpeg library

2009-06-28 Thread Dave Korn
Yaakov (Cygwin/X) wrote: > On 28/06/2009 01:17, Charles Wilson wrote: >> Nope. Upstream development is DEAD. There was some flurry of activity >> about two years ago, but it never went anywhere. If IJG's libjpeg >> wasn't so widespread and widely used, I'd want to look at some other >> library t

Re: [RFC] jpeg library

2009-06-28 Thread Yaakov (Cygwin/X)
On 28/06/2009 01:17, Charles Wilson wrote: Nope. Upstream development is DEAD. There was some flurry of activity about two years ago, but it never went anywhere. If IJG's libjpeg wasn't so widespread and widely used, I'd want to look at some other library that supports the format... Actually

Re: [RFC] jpeg library

2009-06-28 Thread Yaakov (Cygwin/X)
On 28/06/2009 01:17, Charles Wilson wrote: You mean for clients that aren't naughty, and do not/never did access these "private" fields? None, as far as I can tell. The *size* of the struct doesn't change. Only the names of some of the fields (not their type), and their meaning. Some purely in

Re: [RFC] jpeg library

2009-06-27 Thread Charles Wilson
Yaakov (Cygwin/X) wrote: > On 27/06/2009 13:30, Charles Wilson wrote: >> Well, I no longer need to deal with that sort of imagery, and "private" >> never really was very private, and it DID cause lots of people grief. > > Moreso, the patch removed the height_in_blocks/width_in_blocks members > fro

Re: [RFC] jpeg library

2009-06-27 Thread Yaakov (Cygwin/X)
On 27/06/2009 13:30, Charles Wilson wrote: Well, I no longer need to deal with that sort of imagery, and "private" never really was very private, and it DID cause lots of people grief. Moreso, the patch removed the height_in_blocks/width_in_blocks members from struct jpeg_component_info, which

[RFC] jpeg library

2009-06-27 Thread Charles Wilson
For many years -- since the first "net release" after B20.1 in fact -- cygwin's jpeg library has included the so-called "lossless jpeg" patch. This has been somewhat controversial. The patch modifies certain data structures that are marked "private" in the jpeg headers, but they *are* in the head