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5a3b4fed
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2016-01-06T19:17:54
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Regression: Allow co-install of 32-bit/64-bit RPMs
Fix a regression introduced in 1.4.1 that prevented 32-bit and 64-bit
libjpeg-turbo RPMs from being installed simultaneously on recent Red
Hat/Fedora distributions. This was due to the addition of the
SIZEOF_SIZE_T macro in jconfig.h, which allows the Huffman codec to
determine the word size at compile time. Since that macro differs
between 32-bit and 64-bit builds, this caused a conflict between the
i386 and x86_64 RPMs (any differing files, other than executables, are
not allowed when 32-bit and 64-bit RPMs are installed simultaneously.)
Since the macro is used only internally, it has been moved into
jconfigint.h.
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489583f5
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1996-02-07T00:00:00
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The Independent JPEG Group's JPEG software v6a
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bc79e068
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1995-08-02T00:00:00
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The Independent JPEG Group's JPEG software v6
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36a4cccc
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1994-09-24T00:00:00
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The Independent JPEG Group's JPEG software v5
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cc7150e2
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1993-02-18T00:00:00
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The Independent JPEG Group's JPEG software v4a
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88aeed42
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1992-12-10T00:00:00
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The Independent JPEG Group's JPEG software v4
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4a6b7303
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1992-03-17T00:00:00
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The Independent JPEG Group's JPEG software v3
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bd543f03
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1991-12-13T00:00:00
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The Independent JPEG Group's JPEG software v2
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2cbeb8ab
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1991-10-07T00:00:00
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The Independent JPEG Group's JPEG software v1
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989630f7
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2010-01-10T00:00:00
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The Independent JPEG Group's JPEG software v8
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5996a25e
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2009-06-27T00:00:00
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The Independent JPEG Group's JPEG software v7
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5ead57a3
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1998-03-27T00:00:00
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The Independent JPEG Group's JPEG software v6b
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3ebcc320
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2015-05-15T19:09:44
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__WORDSIZE doesn't seem to be available on platforms other than Mac or Linux, and best practices are for user-level code not to rely on it anyhow, since it's meant to be an internal macro. Fortunately, autoconf already has a way of determining the word size at configure time, so it can be passed into the compiler. This should work on any platform and has been tested on all of the Un*x platforms we support (Linux, Mac, FreeBSD, Solaris.)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1550 632fc199-4ca6-4c93-a231-07263d6284db
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a8b6ea2f
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2015-05-06T22:41:12
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Fix a bug in the 64-bit Huffman encoder that Google discovered when encoding some very specific (and proprietary) aerial images using quality=98, an optimized Huffman table, and the ISLOW DCT. These images were causing the Huffman bit buffer to overflow, because the code for encoding the DC coefficient was using the equivalent of the 32-bit version of EMIT_BITS(). Thus, when 64-bit code was used, the DC coefficient code was not properly checking how many bits were in the buffer before attempting to add more bits to it. This issue appears to have existed in all versions of libjpeg-turbo.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1547 632fc199-4ca6-4c93-a231-07263d6284db
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96869f4b
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2015-04-30T09:05:53
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Restore backward compatibility with MSVC < 2010 (broken by r1541)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1543 632fc199-4ca6-4c93-a231-07263d6284db
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f64b36fd
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2015-04-22T08:43:04
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Oops. OS X doesn't define __WORDSIZE unless you include stdint.h, so apparently the Huffman codec hasn't ever been fully accelerated on 64-bit OS X.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1541 632fc199-4ca6-4c93-a231-07263d6284db
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bb383b41
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2014-11-22T22:24:41
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Fix Huffman local buffer overrun discovered by Debian developers when attempting to transform a junk image using ImageMagick:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=768369
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1427 632fc199-4ca6-4c93-a231-07263d6284db
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402a715f
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2014-11-22T22:09:30
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Fix Huffman local buffer overrun discovered by Debian developers when attempting to transform a junk image using ImageMagick:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=768369
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1426 632fc199-4ca6-4c93-a231-07263d6284db
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803b5d24
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2014-11-18T15:56:43
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Uses clz and bsr instructions for bit counting on ARM64 platforms as well.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1414 632fc199-4ca6-4c93-a231-07263d6284db
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2261e1e4
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2014-08-21T03:40:37
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Actually, we need to increase the size of BUFSIZE, not just the size of _buffer. The previous patch might have cause problems if, for instance, state->free_in_buffer was 127 but 129 bytes were compressed. In that case, only 127 of the 129 bytes would have been written to the file. Also document the fix.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1367 632fc199-4ca6-4c93-a231-07263d6284db
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eddc355d
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2014-08-21T03:38:14
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Actually, we need to increase the size of BUFSIZE, not just the size of _buffer. The previous patch might have cause problems if, for instance, state->free_in_buffer was 127 but 129 bytes were compressed. In that case, only 127 of the 129 bytes would have been written to the file. Also document the fix.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1366 632fc199-4ca6-4c93-a231-07263d6284db
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29823fa9
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2014-08-21T01:55:22
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Fix an extremely rare crash that can occur when compressing a very high-frequency MCU using quality 100 and no subsampling, and when dynamically allocating the JPEG buffer in the destination manager. Even with a test program designed specifically to reproduce the crash, it only occurred once in about 25 million iterations. More details here: https://sourceforge.net/p/libjpeg-turbo/bugs/64
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1365 632fc199-4ca6-4c93-a231-07263d6284db
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9c168ad2
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2014-08-21T01:53:47
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Fix an extremely rare crash that can occur when compressing a very high-frequency MCU using quality 100 and no subsampling, and when dynamically allocating the JPEG buffer in the destination manager. Even with a test program designed specifically to reproduce the crash, it only occurred once in about 25 million iterations. More details here: https://sourceforge.net/p/libjpeg-turbo/bugs/64
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1364 632fc199-4ca6-4c93-a231-07263d6284db
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5de454b2
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2014-05-18T19:04:03
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libjpeg-turbo has never supported non-ANSI compilers, so get rid of the crufty SIZEOF() macro. It was not being used consistently anyhow, so it would not have been possible to build prior releases of libjpeg-turbo using the broken compilers for which that macro was designed.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1313 632fc199-4ca6-4c93-a231-07263d6284db
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bc56b754
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2014-05-16T10:43:44
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Get rid of the HAVE_PROTOTYPES configuration option, as well as the related JMETHOD and JPP macros. libjpeg-turbo has never supported compilers that don't handle prototypes. Doing so requires ansi2knr, which isn't even supported in the IJG code anymore.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1308 632fc199-4ca6-4c93-a231-07263d6284db
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b7753510
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2014-05-11T09:36:25
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Convert tabs to spaces in the libjpeg code and the SIMD code (TurboJPEG retains the use of tabs for historical reasons. They were annoying in the libjpeg code primarily because they were not consistently used and because they were used to format as well as indent the code. In the case of TurboJPEG, tabs are used just to indent the code, so even if the editor assumes a different tab width, the code will still be readable.)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1285 632fc199-4ca6-4c93-a231-07263d6284db
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e5eaf374
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2014-05-09T18:00:32
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Convert tabs to spaces in the libjpeg code and the SIMD code (TurboJPEG retains the use of tabs for historical reasons. They were annoying in the libjpeg code primarily because they were not consistently used and because they were used to format as well as indent the code. In the case of TurboJPEG, tabs are used just to indent the code, so even if the editor assumes a different tab width, the code will still be readable.)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1278 632fc199-4ca6-4c93-a231-07263d6284db
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ef9a4e05
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2014-03-28T18:50:30
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Integrate a slightly modified version of Mozilla's patch for precomputing the bit-counting LUT. This is useful if the table needs to be shared among multiple processes, although the primary reason for doing that is reduced footprint on mobile devices, which are probably already covered by the clz intrinsic code.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1221 632fc199-4ca6-4c93-a231-07263d6284db
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0cfc4c17
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2014-03-28T18:33:25
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Use clz/bsr instructions on ARM for bit counting rather than the lookup table (reduces memory footprint and can improve performance in some cases.)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1220 632fc199-4ca6-4c93-a231-07263d6284db
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a6ef282a
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2013-09-28T03:23:49
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Some of the IJG headers say "Modified by", so clarify that our "Modifications" are not referring to these.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1053 632fc199-4ca6-4c93-a231-07263d6284db
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ba923a85
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2013-09-24T03:26:47
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Fix I/O suspension. This little nugget of code was introduced in r30 as part of an early attempt to make buffered I/O work with the optimized Huffman codec. Ultimately, r32 reverted a lot of that mess and introduced much of the logic we now use, rendering this code unnecessary, but it was never reverted because it only causes problems when I/O suspension is used, and apparently no one has tried to do that with libjpeg-turbo until now.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@1033 632fc199-4ca6-4c93-a231-07263d6284db
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a73e870a
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2012-12-31T02:52:30
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Change the copyright notices to make it clear that our modified files are not part of the IJG's software.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@873 632fc199-4ca6-4c93-a231-07263d6284db
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ac906c53
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2011-05-26T11:28:22
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Change the name of the pre-computed bits table to match its actual function
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@653 632fc199-4ca6-4c93-a231-07263d6284db
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6bb57b72
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2011-04-26T22:08:31
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Re-factor and re-license under the libjpeg BSD-style license. Justification: the accelerated Huffman encoding optimizations in libjpeg-turbo were all developed by me as an independent developer. The structure of the inline Huffman encoding macros was originally borrowed from similar routines in the TurboJPEG/mediaLib codec, which is part of VirtualGL and TurboVNC. Thus, although the code for these macros was not copied verbatim, they were still thought to be a derivative work of TurboJPEG/mediaLib, and I assigned the copyright and license from TurboJPEG/mediaLib to them. I have re-written these routines from first principles by breaking down the libjpeg out-of-line routines. Although the new code bears algorithmic similarities to the TurboJPEG/mediaLib macros, it can now clearly be shown to be derived from the out-of-line routines and thus, in my opinion, it can no longer be considered a derivative of TurboJPEG/mediaLib. -- DRC
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@597 632fc199-4ca6-4c93-a231-07263d6284db
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a46830b2
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2010-11-23T18:00:46
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Eliminate spurious global symbols
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@303 632fc199-4ca6-4c93-a231-07263d6284db
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830d5fcc
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2010-04-20T21:13:26
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Use 64-bit holding buffer on Win64 for increased performance
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@177 632fc199-4ca6-4c93-a231-07263d6284db
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04899094
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2010-02-26T23:01:19
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Bleepin' Windows uses LLP64, not LP64
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@158 632fc199-4ca6-4c93-a231-07263d6284db
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dae44741
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2009-08-06T08:58:48
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Unfortunately, the previous enhancements made an invalid assumption about the code sizes, which caused "DCT out of range" errors in the decoder. Was able to fix 64-bit without losing any performance, but unfortunately had to revert 32-bit back to its previous behavior for now.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@58 632fc199-4ca6-4c93-a231-07263d6284db
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8443e529
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2009-07-30T08:35:06
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Improve compression performance by 15-20%
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@55 632fc199-4ca6-4c93-a231-07263d6284db
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3cba8db0
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2009-03-16T23:58:30
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Eliminate backward incompatibility that required empty_output_buffer() to handle cases in which the buffer wasn't 100% full
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@32 632fc199-4ca6-4c93-a231-07263d6284db
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86299887
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2009-03-14T01:21:13
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Fix broken buffered I/O (to make cjpeg work)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@30 632fc199-4ca6-4c93-a231-07263d6284db
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99313388
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2009-03-12T17:24:27
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Include Huffman codec optimizations borrowed from TurboJPEG
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@24 632fc199-4ca6-4c93-a231-07263d6284db
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0ca44258
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2008-09-28T05:08:48
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Merged changes from branches/1.5-xserver (revision range 2432:2631) back to trunk.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@2 632fc199-4ca6-4c93-a231-07263d6284db
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