Re: CALL for DISCUSSION: eXIf 20170115
Glenn Randers-Pehrson <[email protected]>
| Newsgroups | gmane.comp.graphics.png.general |
|---|---|
| Message-ID | <CA+PdXcutP1CiuSbPS+9dRL_UoXQYk30aQ3ibN=rrrWuaJ42PMQ@mail.gmail.com> |
On Fri, Jan 27, 2017 at 9:54 PM, John Bowler < [email protected]> wrote: > On Fri, Jan 27, 2017 at 6:29 PM, Glenn Randers-Pehrson > <[email protected]> wrote: > > On Fri, Jan 27, 2017 at 9:19 PM, Glenn Randers-Pehrson < > [email protected]> > > wrote: > > Now it uses the two-pass decoding method from libpng-1.4.1beta06 > > Indeed, I think I suggested that approach; You did. > I'm still interested in > whether Cosmin would advocate using it. It's not something computer > programmers typically do. > I don't see any problem with it since we have access to the entire buffer. Maybe some issues about cache access but it's a once per image thing so it's really nothing compared to reading the main image. Also it should probably turn off ADLER32 checking, which is possible o do with zlib-1.2.9 and later). But such savings would probably not be perceptible. Glenn ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, SlashDot.org! http://sdm.link/slashdot _______________________________________________ png-mng-misc mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/png-mng-misc