[MPlayer-cygwin] bunch of questions

Arpi arpi at thot.banki.hu
Tue Oct 21 23:42:08 CEST 2003


Hi,

> > 1. 7zip is new compression format. It is also being ported to Linux.
> > www.7-zip.org . File sizes, (exe is self extracting archive):
> > 
> > 10/05/2003  02:00p           5,090,221 MPlayer-1.0pre2-win32.zip
> > 
> > 10/21/2003  10:29p           2,238,513 MPlayer-1.0pre2-win32.7z
> > 10/21/2003  10:34p           2,307,633 MPlayer-1.0pre2-win32.exe
> 
> 7zip was incredibly slow the last time I checked, and didn't offer any
> better compression than bzip2.

i'm reading 7zip source right now, and i have to say, its one of the
ugliest code i've ever seen. its all ugly c++ of course.
(i wanna see the 5k decompressor code they advertise, even a 'hello
world' printer is 15k+ in c++)

also beating pkzip's (or lz77 in general) is not hard, as its limited
to 32k dicts, which is quite small. and even inside the 32k limit
there are up to 10% better archivers, like my old DOS archiver, ESP.

btw the win32 binaries are compressed with .zip to make it easier
for users to decompress, otherwise we would use tar+bz2 but i bet
most of the win32 lamers didn't ever hear about bzip2.


A'rpi / Astral & ESP-team

--
Developer of MPlayer G2, the Movie Framework for all - http://www.MPlayerHQ.hu



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