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Commits on Apr 23, 2019

• Fix code formatting/style issues ...

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Commits on Jul 24, 2018

• Fix JPEG spec references per ISO/ITU-T suggestions

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Commits on Mar 17, 2018

• Format preprocessor macros more consistently

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Commits on Mar 16, 2018

• Improve code formatting consistency

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Commits on May 29, 2016

• Format copyright headers more consistently

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Commits on Feb 19, 2016

• Use consistent/modern code formatting for dbl ptrs

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• Use consistent/modern code formatting for pointers

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Commits on Jan 12, 2016

• SSE2 SIMD implementation of Huffman encoding

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Commits on Jan 7, 2016

• Merge branch '1.4.x'

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• Regression: Allow co-install of 32-bit/64-bit RPMs

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Commits on Oct 15, 2015

• Replace INT32 with a new internal datatype (JLONG)

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Commits on Oct 10, 2015

• Rename README, LICENSE, BUILDING text files

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Commits on May 15, 2015

• __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. Fortunat…

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Commits on May 6, 2015

• 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. Thes…

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Commits on Apr 30, 2015

• Restore backward compatibility with MSVC < 2010 (broken by r1541)

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Commits on Apr 22, 2015

• 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.

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Commits on Nov 22, 2014

• Fix Huffman local buffer overrun discovered by Debian developers when attempting to transform a junk image using ImageMagick:

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Commits on Nov 18, 2014

• Uses clz and bsr instructions for bit counting on ARM64 platforms as well.

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Commits on Aug 21, 2014

• 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 comp…

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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 comp…

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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 manage…

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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 manage…

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Commits on May 18, 2014

• 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 …

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Commits on May 16, 2014

• 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 ansi2…

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Commits on May 11, 2014

• 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 consis…

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Commits on May 9, 2014

• 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 consis…

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Commits on Mar 28, 2014

• 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 …

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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.)

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Commits on Sep 28, 2013

• Some of the IJG headers say "Modified by", so clarify that our "Modifications" are not referring to these.

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Commits on Sep 24, 2013

• 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 m…

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Commits on Dec 31, 2012

• Change the copyright notices to make it clear that our modified files are not part of the IJG's software.

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Commits on May 26, 2011

• Change the name of the pre-computed bits table to match its actual function

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Commits on Apr 26, 2011

• 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. Th…

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Commits on Nov 23, 2010

• Eliminate spurious global symbols

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Commits on Apr 20, 2010

• Use 64-bit holding buffer on Win64 for increased performance

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