fbossen
c92da453f3
Implement pruning of search for best number of refinement layers
2014-02-19 16:42:38 -05:00
fbossen
8d0816e808
Reorder scan buffers to match jpgcrush order
2014-02-19 15:56:36 -05:00
fbossen
3d26a0a343
Regroup copying of scan buffers
2014-02-19 15:38:20 -05:00
fbossen
579d16b032
Add pruning of frequency split selection
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Skip passes for frequency splitting if they are unlikely to provide
better results.
Moved related fields from cinfo to master object.
2014-02-19 15:12:23 -05:00
fbossen
5ca1602f2f
Clean up scan optimisation code
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Remove code that was casting const to non-const
2014-02-19 13:36:00 -05:00
fbossen
e64d7453e9
Resolve mismatch with jpgcrush
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Add early termination to search for best Al parameter
2014-02-15 09:13:03 -05:00
fbossen
dff12f6b87
Fix issues with chroma scan optimisation
2014-02-14 18:57:15 -05:00
fbossen
a4137a6c14
Add support for scan optimisation of monochrome pictures
2014-02-14 18:12:51 -05:00
fbossen
09fde9eaf6
Clean up scan optimisation code
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Remove hard coded values and restructure code.
2014-02-14 17:11:56 -05:00
fbossen
71f953d0be
Clean up scan optimisation code
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Lessen use of hardcoded values in luma search
2014-02-13 19:09:32 -05:00
fbossen
16c3cdb956
Initial version of scan optimisation
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First implementation of scan optimisation as done by jpgcrush. Many
parameters are currently hardcoded which should be changed.
Implementation is missing for monochrome.
2014-02-13 16:55:56 -05:00
Josh Aas
72b66f9c77
Initial commit of libjpeg-turbo plus readme edits.
2014-01-13 18:28:20 -06:00
DRC
e2563adb2e
Some of the IJG headers say "Modified by", so clarify that our "Modifications" are not referring to these.
2013-09-28 03:22:53 +00:00
DRC
a6ef282a49
Some of the IJG headers say "Modified by", so clarify that our "Modifications" are not referring to these.
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git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1053 632fc199-4ca6-4c93-a231-07263d6284db
2013-09-28 03:23:49 +00:00
DRC
472ecea71e
Some of the IJG headers say "Modified by", so clarify that our "Modifications" are not referring to these.
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git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1053 632fc199-4ca6-4c93-a231-07263d6284db
2013-09-28 03:23:49 +00:00
DRC
5d2514b86f
We can't enable optimized entropy coding unless we're using Huffman coding. This fixes a bug whereby attempting to create a progressive JPEG with arithmetic coding would fail.
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git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@1036 632fc199-4ca6-4c93-a231-07263d6284db
2013-09-24 03:39:51 +00:00
DRC
4aa11c8bb4
We can't enable optimized entropy coding unless we're using Huffman coding. This fixes a bug whereby attempting to create a progressive JPEG with arithmetic coding would fail.
2013-09-24 03:18:27 +00:00
DRC
a73e870ad0
Change the copyright notices to make it clear that our modified files are not part of the IJG's software.
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git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@873 632fc199-4ca6-4c93-a231-07263d6284db
2012-12-31 02:52:30 +00:00
DRC
de30fe9460
Change the copyright notices to make it clear that our modified files are not part of the IJG's software.
2012-12-31 02:42:18 +00:00
DRC
5bc9a1076e
Fix jpegoptim with v7 emulation as well
2011-04-03 07:08:18 +00:00
DRC
e7fde87ca5
Fix jpegoptim with v7 emulation as well
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git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@568 632fc199-4ca6-4c93-a231-07263d6284db
2011-04-03 07:09:49 +00:00
DRC
c04bd3cc97
Implement lossless crop feature from jpeg v7 and v8
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git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@243 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-10 02:15:56 +00:00
Guido Vollbeding
f18f81b7e2
The Independent JPEG Group's JPEG software v8a
2015-07-27 13:46:36 -05:00
Guido Vollbeding
989630f70c
The Independent JPEG Group's JPEG software v8
2015-07-27 13:45:31 -05:00
Guido Vollbeding
5996a25e2f
The Independent JPEG Group's JPEG software v7
2015-07-27 13:44:25 -05:00
Guido Vollbeding
1e247ac854
The Independent JPEG Group's JPEG software v6b with arithmetic coding support
2015-07-27 14:40:46 -05:00
Thomas G. Lane
5ead57a34a
The Independent JPEG Group's JPEG software v6b
2015-07-27 13:43:00 -05:00
Thomas G. Lane
489583f516
The Independent JPEG Group's JPEG software v6a
2015-07-29 15:32:35 -05:00
Thomas G. Lane
bc79e0680a
The Independent JPEG Group's JPEG software v6
2015-07-29 15:31:30 -05:00
Thomas G. Lane
a8b67c4fbb
The Independent JPEG Group's JPEG software v5b
2015-07-29 15:30:19 -05:00
Thomas G. Lane
36a4ccccd3
The Independent JPEG Group's JPEG software v5
2015-07-29 15:28:00 -05:00
Thomas G. Lane
88aeed428f
The Independent JPEG Group's JPEG software v4
2015-07-29 15:23:45 -05:00
Thomas G. Lane
4a6b730364
The Independent JPEG Group's JPEG software v3
2015-07-29 15:21:19 -05:00
Thomas G. Lane
2cbeb8abd9
The Independent JPEG Group's JPEG software v1
2015-07-29 15:18:11 -05:00
DRC
be1aa6e080
Implement lossless crop feature from jpeg v7 and v8
2010-10-10 02:15:56 +00:00
DRC
36a6eec932
Added optional emulation of the jpeg-7 or jpeg-8b API/ABI's
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git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@236 632fc199-4ca6-4c93-a231-07263d6284db
2010-10-08 08:05:44 +00:00
DRC
d0d0f09d40
Added optional emulation of the jpeg-7 or jpeg-8b API/ABI's
2010-10-08 08:05:44 +00:00
Thomas G. Lane
41f55c093a
The Independent JPEG Group's JPEG software v6b
2014-09-07 20:00:00 +01:00
Thomas G. Lane
16c97143f3
The Independent JPEG Group's JPEG software v6a
2014-09-07 20:00:00 +01:00
Thomas G. Lane
0baf670330
The Independent JPEG Group's JPEG software v6
2014-09-07 20:00:00 +01:00
Thomas G. Lane
357eba2331
The Independent JPEG Group's JPEG software v5b
2014-09-07 20:00:00 +01:00
Thomas G. Lane
c5414ae082
The Independent JPEG Group's JPEG software v5
2014-09-07 20:00:00 +01:00
Thomas G. Lane
f14f1a0dc3
The Independent JPEG Group's JPEG software v4
2014-09-07 20:00:00 +01:00
Thomas G. Lane
9821061877
The Independent JPEG Group's JPEG software v3
2014-09-07 20:00:00 +01:00
Thomas G. Lane
7a9a82bf06
The Independent JPEG Group's JPEG software v1
2014-09-07 20:00:00 +01:00
