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Article #64

Re: JPEG software

#64
From: Tom Lane
Date: Sun, 30 Aug 1992 22:20
49 lines
3259 bytes
subbu@octagon.cis.ohio-state.edu writes:
> I am looking for public domain compression software (JPEG).


From the JPEG FAQ, posted regularly in comp.graphics and news.answers
(not to mention a lot of alt groups):


6)  Where can I get JPEG software?

6B) If you are looking for source code to work with:

Free, portable C code for JPEG compression is available from the Independent
JPEG Group, which I lead.  A package containing our source code,
documentation, and some small test files is available from several places.
The "official" archive site for this source code is ftp.uu.net (137.39.1.9
or 192.48.96.9).  Look under directory /graphics/jpeg; the current release
is jpegsrc.v3.tar.Z.  (This is a compressed TAR file; don't forget to
retrieve in binary mode.)  You can retrieve this file by FTP or UUCP.
Folks in Europe may find it easier to FTP from nic.funet.fi (see directory
pub/graphics/programs/jpeg).  The source code is also available on
CompuServe, in the GRAPHSUPPORT forum (GO PICS), library 10, as jpsrc3.zip.
If you have no FTP access, you can retrieve the source from your nearest
comp.sources.misc archive; version 3 appeared as issues 1-18 of volume 29.
(If you don't know how to retrieve comp.sources.misc postings, see the FAQ
article "How to find sources".  This appears regularly in news.answers, or
you can get it by sending e-mail to mail-server@rtfm.mit.edu with
"send usenet/news.answers/finding-sources" in the body.)

The free JPEG code provides conversion between JPEG "JFIF" format and image
files in GIF, PBMPLUS PPM/PGM, Utah RLE, and Truevision Targa file formats.
The core compression and decompression modules can easily be reused in other
programs, such as image viewers.  The package is highly portable; we have
tested it on many machines ranging from PCs to Crays.

We have released this software for both noncommercial and commercial use.
Companies are welcome to use it as the basis for JPEG-related products.
We do not ask a royalty, although we do ask for an acknowledgement in
product literature (see the README file in the distribution for details).
We hope to make this software industrial-quality --- although, as with
anything that's free, we offer no warranty and accept no liability.

The Independent JPEG Group is a volunteer organization; if you'd like to
contribute to improving our software, you are welcome to join.

-- 
			tom lane
			organizer, Independent JPEG Group
Internet: tgl@cs.cmu.edu	BITNET: tgl%cs.cmu.edu@carnegie
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From: tgl+@cs.cmu.edu (Tom Lane)
Newsgroups: comp.compression.research
Subject: Re: JPEG software
Summary: read the FAQ...
Message-ID: <BttI1y.M93.2@cs.cmu.edu>
Date: 30 Aug 92 22:20:22 GMT
Article-I.D.: cs.BttI1y.M93.2
References: <1992Aug30.205044.16036@cis.ohio-state.edu>
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