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A complete implementation of 10918-1 (JPEG) coming from jpeg.org (the ISO group) with extensions for HDR, lossless and alpha channel coding standardized as ISO/IEC 18477 (JPEG XT).

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Latest commit

Thomas Richter The bitmap hook can now return an error code that is forwarded to the…
9e0cea2 Jul 7, 2023
The bitmap hook can now return an error code that is forwarded to the… 
… caller.

Some minimal input sanetization had been added to the encoder and the
(caller-side) bitmap hook implementation and PNM reader.

NOTE THAT DEMO CODE IN "cmd" DOES NOT ATTEMPT TO FULLY VALIDATE INPUT
ON THE ENCODER SIDE. IF YOU NEED TO OPERATE THE ENCODER IN AN HOSTILE
ENVIRONMENT, SANETIZATION OF THE INPUT IMAGES IS REQUIRED.

Bumped to 1.66.
9e0cea2

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boxes
Fixed some typos, silenced some compiler warnings.
June 15, 2022 08:06
cmd
The bitmap hook can now return an error code that is forwarded to the…
July 7, 2023 14:20
codestream
The components requested through DisplayRectangle() are always codest…
February 21, 2023 11:24
coding
Fixed some typos, silenced some compiler warnings.
June 15, 2022 08:06
colortrafo
The components requested through DisplayRectangle() are always codest…
February 21, 2023 11:24
control
The components requested through DisplayRectangle() are always codest…
February 21, 2023 11:24
dct
Fixed some typos, silenced some compiler warnings.
June 15, 2022 08:06
interface
The bitmap hook can now return an error code that is forwarded to the…
July 7, 2023 14:20
io
Fixed some typos, silenced some compiler warnings.
June 15, 2022 08:06
marker
Added a check for consistent MCU sizes in a hierarchical process.
August 3, 2022 14:20
std
Fixed some typos, silenced some compiler warnings.
June 15, 2022 08:06
tools
Fixed some typos, silenced some compiler warnings.
June 15, 2022 08:06
upsampling
Removed execute permission from some source files.
September 8, 2021 12:33
vs10.0/jpeg
Added a
January 29, 2021 16:41
vs12.0/jpeg
Added a
January 29, 2021 16:41
vs15.0/jpeg
Added the VS15.0 files.
July 21, 2020 08:49
.gitignore
Improved .gitignore
September 17, 2021 20:16
Makefile
The components requested through DisplayRectangle() are always codest…
February 21, 2023 11:24
Makefile.template
Updated the makefile for xcode, fixed library building on linux which
March 7, 2022 16:55
Makefile_Settings.clang
Integrated "JPEG on Steroids"
October 29, 2016 17:56
Makefile_Settings.gcc
Added support for latest g++ compiler versions that warn on implicit
April 8, 2020 12:15
README
The bitmap hook can now return an error code that is forwarded to the…
July 7, 2023 14:20
README.history
The bitmap hook can now return an error code that is forwarded to the…
July 7, 2023 14:20
README.license.gpl
Updated the license go GPL v3 again.
February 24, 2016 22:16
README.license.itu
Bumped to 1.58.
August 31, 2020 10:53
README.md
typo
September 24, 2020 10:37
autoconfig.h.in
Updated configure from configure.in.
August 29, 2020 19:46
automakefile.in
Added support for latest g++ compiler versions that warn on implicit
April 8, 2020 12:15
config.h
Fixed some typos, silenced some compiler warnings.
June 15, 2022 08:06
configure
Updated the makefile for xcode, fixed library building on linux which
March 7, 2022 16:55
configure.in
Updated the makefile for xcode, fixed library building on linux which
March 7, 2022 16:55
cptosvn
Added all files to git.
July 27, 2012 15:35
cutheader.pl
Added all files to git.
July 27, 2012 15:35
doxyconfig
Added all files to git.
July 27, 2012 15:35
doxyfilter.py
Use Python 3 print function instead
May 7, 2021 01:41
newheader
Added all files to git.
July 27, 2012 15:35

README.md

libjpeg

A complete implementation of 10918-1 (JPEG) coming from jpeg.org (the ISO group) with extensions for HDR standardized as 18477 (JPEG XT)

This release also includes the "JPEG on Steroids" improvements implemented for the ICIP 2016 Grand Challenge on Image Compression. For ideal visual performance, run jpeg as follows:

jpeg -q -oz -v -qt 3 -h -s 1x1,2x2,2x2 input.ppm output.jpg

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A complete implementation of 10918-1 (JPEG) coming from jpeg.org (the ISO group) with extensions for HDR, lossless and alpha channel coding standardized as ISO/IEC 18477 (JPEG XT).

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