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Frank Bossen 33f39a2818 Add option to split DC scans 
Command line option -split-dc-scan is added to code DC scans
independently (instead of interleaved). It should be determined whether
this option introduces any decoder compatibility issues ( see #83 )
Option -multidcscan is renamed to -opt-dc-scan
2014-07-31 15:26:38 -04:00
cmakescripts
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
doc/html
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
java
Bug #17: Completed quoting for parameters of some CMake commands
2014-04-01 17:47:42 +02:00
md5
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
release
Re-brand to libmozjpeg.
2014-02-27 15:26:48 -06:00
sharedlib
Add support for JPEG input in cjpeg
2014-05-16 11:00:34 -04:00
simd
configure.ac: enable silent build rules
2014-04-17 23:00:01 -05:00
testimages
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
win
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
acinclude.m4
configure.ac: use AC_LANG_SOURCE where appropriate
2014-04-17 23:00:01 -05:00
bmp.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
bmp.h
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
BUILDING.txt
Re-brand to libmozjpeg.
2014-02-27 15:26:48 -06:00
cderror.h
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
cdjpeg.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
cdjpeg.h
Improve support of JPEG input in cjpeg
2014-05-30 03:14:09 +02:00
change.log
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
ChangeLog-mozilla.txt
Re-brand to libmozjpeg.
2014-02-27 15:26:48 -06:00
ChangeLog.txt
Improve floating point DCT
2014-07-23 10:26:46 -04:00
cjpeg.1
Update doc re: various DCT implementations
2014-07-23 10:23:24 -04:00
cjpeg.c
Add option to split DC scans
2014-07-31 15:26:38 -04:00
CMakeLists.txt
Fix build for wrjpgcom
2014-07-23 09:22:55 -04:00
coderules.txt
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
configure.ac
Bugfix: AM_PROG_AR is not recognized by older automake, so only use it when defined
2014-07-17 14:16:24 -04:00
djpeg.1
Update doc re: various DCT implementations
2014-07-23 10:23:24 -04:00
djpeg.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
doxygen.config
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
example.c
Enable mozjpeg defaults in sample apps and turbojpeg
2014-02-20 10:20:45 -05:00
jaricom.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jcapimin.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jcapistd.c
Disable scan optimization if no scan given
2014-07-21 20:11:46 +02:00
jcarith.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jccoefct.c
Add trellis for DC
2014-07-31 12:11:36 -04:00
jccolext.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jccolor.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jcdctmgr.c
Add trellis for DC
2014-07-31 12:11:36 -04:00
jchuff.c
Use precomputed table
2014-07-24 10:50:59 -04:00
jchuff.h
Add trellis for DC
2014-07-31 12:11:36 -04:00
jcinit.c
Initial version of scan optimisation
2014-02-13 16:55:56 -05:00
jcmainct.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jcmarker.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jcmaster.c
Add option to split DC scans
2014-07-31 15:26:38 -04:00
jcomapi.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jconfig.h.in
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jconfig.txt
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jcparam.c
Add option to split DC scans
2014-07-31 15:26:38 -04:00
jcphuff.c
Merge branch 'trellis'
2014-05-09 18:28:26 -04:00
jcprepct.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jcsample.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jcstest.c
Enable mozjpeg defaults in sample apps and turbojpeg
2014-02-20 10:20:45 -05:00
jctrans.c
Disable trellis in jpegtran
2014-05-10 08:19:31 -04:00
jdapimin.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jdapistd.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jdarith.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jdatadst-tj.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jdatadst.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jdatasrc-tj.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jdatasrc.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jdcoefct.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jdcolext.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jdcolor.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jdct.h
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jddctmgr.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jdhuff.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jdhuff.h
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jdinput.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jdmainct.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jdmarker.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jdmaster.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jdmerge.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jdmrgext.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jdphuff.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jdpostct.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jdsample.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jdtrans.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jerror.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jerror.h
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jfdctflt.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jfdctfst.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jfdctint.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jidctflt.c
Improve floating point DCT
2014-07-23 10:26:46 -04:00
jidctfst.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jidctint.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jidctred.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jinclude.h
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jmemmgr.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jmemnobs.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jmemsys.h
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jmorecfg.h
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jpeg_nbits_table.h
Use precomputed table
2014-07-24 10:50:59 -04:00
jpegcomp.h
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jpegint.h
Initial implementation of trellis quantization
2014-03-23 21:06:01 +01:00
jpeglib.h
Add option to split DC scans
2014-07-31 15:26:38 -04:00
jpegtran.1
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jpegtran.c
Fix issue with -revert option in jpegtran
2014-03-05 12:47:44 +01:00
jpegyuv.c
Updating yuvjpeg and jpegyuv to match Daala tools.
2014-07-07 13:46:59 -04:00
jquant1.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jquant2.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jsimd_none.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jsimd.h
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jsimddct.h
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jutils.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
jversion.h
Update copyright headers/statements
2014-05-08 16:42:51 -04:00
libjpeg.map.in
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
libjpeg.txt
Update doc re: various DCT implementations
2014-07-23 10:23:24 -04:00
LICENSE.txt
Add license file to top-level dir.
2014-03-13 10:18:12 -05:00
Makefile.am
Add support for JPEG input in cjpeg
2014-05-16 11:00:34 -04:00
rd_average.sh
Adding scripts to generate rd-curves.
2014-03-17 19:30:43 -04:00
rd_collect_sub.sh
Adding scripts to generate rd-curves.
2014-03-17 19:30:43 -04:00
rd_collect.sh
Adding scripts to generate rd-curves.
2014-03-17 19:30:43 -04:00
rd_plot.sh
Adding scripts to generate rd-curves.
2014-03-17 19:30:43 -04:00
rdbmp.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
rdcolmap.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
rdgif.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
rdjpeg.c
Silence compiler warning
2014-05-30 03:18:37 +02:00
rdjpgcom.1
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
rdjpgcom.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
rdppm.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
rdrle.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
rdswitch.c
Fix #64
2014-07-09 11:37:36 +09:00
rdtarga.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
README
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
README-mozilla.txt
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
README-turbo.txt
Improve floating point DCT
2014-07-23 10:26:46 -04:00
README.md
Update README.md with link to 2.0 announcement and mailing list.
2014-07-24 16:39:26 -05:00
structure.txt
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
tjbench.c
tjbench.c: return retval in funcs defining it
2014-04-23 20:19:47 -05:00
tjbenchtest.in
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
tjbenchtest.java.in
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
tjexampletest.in
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
tjunittest.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
tjutil.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
tjutil.h
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
transupp.c
adjust_exif_parameters only needed in JPEG_LIB_VER > 70
2014-04-23 20:19:47 -05:00
transupp.h
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
turbojpeg-jni.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
turbojpeg-mapfile
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
turbojpeg-mapfile.jni
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
turbojpeg.c
turbojpeg.c: clean up warnings around getinstance
2014-04-17 23:00:01 -05:00
turbojpeg.h
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
usage.txt
Update doc re: various DCT implementations
2014-07-23 10:23:24 -04:00
wizard.txt
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
wrbmp.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
wrgif.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
wrjpgcom.1
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
wrjpgcom.c
Fix #56
2014-06-26 12:45:03 -04:00
wrppm.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
wrrle.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
wrtarga.c
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
yuvjpeg.c
Updating yuvjpeg and jpegyuv to match Daala tools.
2014-07-07 13:46:59 -04:00

README.md

Mozilla JPEG Encoder Project

This project's goal is to reduce the size of JPEG files without reducing quality or compatibility with the vast majority of the world's deployed decoders.

The idea is to reduce transfer times for JPEGs on the Web, thus reducing page load times.

'mozjpeg' is not intended to be a general JPEG library replacement. It makes tradeoffs that are intended to benefit Web use cases and focuses solely on improving encoding. It is best used as part of a Web encoding workflow. For a general JPEG library (e.g. your system libjpeg), especially if you care about decoding, we recommend libjpeg-turbo.

More information:

Description
Improved JPEG encoder.
image-optimizationjpeg-encoderlibjpegmozjpegweb-performance
Readme 18 MiB
Languages
C 54.6%
Assembly 26.7%
HTML 8.9%
Java 4.4%
CMake 2.4%
Other 2.9%