Support arithmetic encoding and decoding

git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@299 632fc199-4ca6-4c93-a231-07263d6284db
This commit is contained in:
DRC
2010-11-23 05:49:54 +00:00
24 changed files with 1953 additions and 80 deletions

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@@ -60,9 +60,6 @@ we treat 8-bit vs. 12-bit data precision as a compile-time switch, not a
run-time option, because most machines can store 8-bit pixels much more
compactly than 12-bit.
For legal reasons, JPEG arithmetic coding is not currently supported, but
extending the library to include it would be straightforward.
By itself, the library handles only interchange JPEG datastreams --- in
particular the widely used JFIF file format. The library can be used by
surrounding code to process interchange or abbreviated JPEG datastreams that