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3f760834
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2015-01-28T00:25:43
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Come on, Cohaagen, you got what you want. Give these people air!
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1527 632fc199-4ca6-4c93-a231-07263d6284db
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c60d662e
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2015-01-16T07:16:53
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Some clarifications (actually MIPS doesn't implement the float DCT/IDCT using SIMD instructions)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1517 632fc199-4ca6-4c93-a231-07263d6284db
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3af282df
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2015-01-16T06:53:36
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Make the floating point regression tests optional. It has been known for quite some time that these tests do not always generate the same results unless there is full SIMD coverage of the floating point algorithms in libjpeg-turbo. Further research reveals that there are basically three expected results: the results from our SSE SIMD extensions (which are slightly more accurate than the C code), results from the C code when running on a 32-bit FPU (or when using SSE instructions on an x86-64 CPU, which is the default with GCC), and results from the C code when running on a 64-bit FPU (which presumably uses double-precision arithmetic by default.) There is basically no way to determine which type of math will be used prior to run time, so it's best to just let the developers specify which result they expect on their particular system.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.4.x@1515 632fc199-4ca6-4c93-a231-07263d6284db
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2e2ea8e0
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2015-01-16T03:21:05
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Document AltiVec extensions
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1508 632fc199-4ca6-4c93-a231-07263d6284db
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715bb41e
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2014-05-11T10:09:07
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Port the more accurate (and slightly faster) floating point IDCT implementation from jpeg-8a and later. New research revealed that the SSE/SSE2 floating point IDCT implementation was actually more accurate than the jpeg-6b implementation, not less, which is why its mathematical results have always differed from those of the jpeg-6b implementation. This patch brings the accuracy of the C code in line with that of the SSE/SSE2 code.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1288 632fc199-4ca6-4c93-a231-07263d6284db
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a7584601
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2014-05-11T09:48:11
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Provide a more thorough description of the trade-offs between the various DCT/IDCT algorithms, based on new resarch
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1287 632fc199-4ca6-4c93-a231-07263d6284db
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8940e6ca
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2014-05-11T09:46:28
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Provide a more thorough description of the trade-offs between the various DCT/IDCT algorithms, based on new resarch
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1286 632fc199-4ca6-4c93-a231-07263d6284db
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832b1fc5
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2014-03-23T15:21:20
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Remove the sections about replacing libjpeg at run time and compile time. These were written before O/S distributions started shipping libjpeg-turbo, and they are either pedantic or no longer relevant. Also remove any text that assumes the use of our official project binaries. Notes specific to the official binaries have been moved into the project wiki.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1210 632fc199-4ca6-4c93-a231-07263d6284db
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0f7ff719
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2013-01-23T01:32:25
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Wordsmith the project description
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@921 632fc199-4ca6-4c93-a231-07263d6284db
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5039d734
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2013-01-21T23:42:12
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Eliminated the awkward and confusing "TurboJPEG/OSS" designation, since there are no other active implementations of the TurboJPEG API anymore; don't refer to the libjpeg API library as "libjpeg-turbo" anymore, since that can be confusing; ARM v7s build instructions
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@919 632fc199-4ca6-4c93-a231-07263d6284db
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dc4645d4
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2013-01-19T00:13:57
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Since Windows doesn't use lazy loading, clarify that a Windows application that uses jpeg_mem_dest() or jpeg_mem_src() must use the DLL containing those functions at run time. Other wordsmithing
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@915 632fc199-4ca6-4c93-a231-07263d6284db
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ab70623e
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2013-01-18T23:42:31
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Implement in-memory source/destination managers even when not emulating the libjpeg v8 API/ABI
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@913 632fc199-4ca6-4c93-a231-07263d6284db
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b87136c2
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2013-01-18T06:12:51
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Include justification for not supporting SmartScale, DCT scaling, and the libjpeg v9 ABI
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@912 632fc199-4ca6-4c93-a231-07263d6284db
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eff4f956
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2013-01-18T06:02:10
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Subtle point, but the libjpeg v7+ API is not backward incompatible. That is, programs that were built against jpeg-6b can still build against jpeg-7+ with no issues. It's only the ABI that is backward incompatible, so the primary justification for implementing the emulation feature was to provide run-time (ABI) compatibility.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@911 632fc199-4ca6-4c93-a231-07263d6284db
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e2394fc5
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2013-01-18T05:54:06
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Subtle point, but the libjpeg v7+ API is not backward incompatible. That is, programs that were built against jpeg-6b can still build against jpeg-7+ with no issues. It's only the ABI that is backward incompatible, so the primary justification for implementing the emulation feature was to provide run-time (ABI) compatibility.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@910 632fc199-4ca6-4c93-a231-07263d6284db
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5815699b
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2013-01-13T11:05:25
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In all fairness, breaking backward ABI compatibility was necessary in jpeg-7 and jpeg-8 due to the fact that the caller allocates the struct.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@901 632fc199-4ca6-4c93-a231-07263d6284db
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dad4d2e7
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2013-01-11T11:07:37
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git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@894 632fc199-4ca6-4c93-a231-07263d6284db
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d5e964c9
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2013-01-10T11:47:39
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Wordsmithing; Remove mention of TurboJPEG/IPP-- it is no longer a relevant comparison, since the version of IPP on which TurboJPEG/IPP was based is now quite old, and TurboJPEG/IPP is no longer distributed or supported by The VirtualGL Project; Include information about mathematical incompatibilities with jpeg-8
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@893 632fc199-4ca6-4c93-a231-07263d6284db
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28701317
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2013-01-01T11:41:44
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Spacing tweak
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@890 632fc199-4ca6-4c93-a231-07263d6284db
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d7ca17b7
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2013-01-01T11:41:13
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We support arithmetic coding, which is a feature of libjpeg v7/v8
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@889 632fc199-4ca6-4c93-a231-07263d6284db
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ac51438b
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2013-01-01T11:39:04
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Indicate our support for some of the jpeg-8d features, as well as arithmetic coding
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@888 632fc199-4ca6-4c93-a231-07263d6284db
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760ea8df
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2012-02-07T23:25:19
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Merge documentation and wordsmithing changes from 1.2, including promotion of -arithmetic to a "switch for advanced users"
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@783 632fc199-4ca6-4c93-a231-07263d6284db
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00b327b8
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2012-02-07T00:15:42
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Wordsmithing and grammar
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@778 632fc199-4ca6-4c93-a231-07263d6284db
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11a122b2
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2012-02-07T00:14:53
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Wordsmithing and grammar
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@777 632fc199-4ca6-4c93-a231-07263d6284db
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6916f879
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2012-02-03T08:59:21
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Several clarifications regarding v7/v8 API/ABI support
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.2.x@776 632fc199-4ca6-4c93-a231-07263d6284db
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bdbcd140
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2012-02-03T08:55:36
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Several clarifications regarding v7/v8 API/ABI support
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@775 632fc199-4ca6-4c93-a231-07263d6284db
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33eca7e4
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2012-01-28T06:49:22
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Document the new scaling factors
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@756 632fc199-4ca6-4c93-a231-07263d6284db
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307156de
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2012-01-17T23:09:24
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Merge wordsmithing/grammar fixes from trunk
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@737 632fc199-4ca6-4c93-a231-07263d6284db
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2c62da3c
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2012-01-17T22:55:03
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Subtle point, but TurboJPEG is the API and TurboJPEG/OSS is the library implementing that API.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@735 632fc199-4ca6-4c93-a231-07263d6284db
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b76c8404
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2011-12-19T15:01:55
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Add program that demonstrates how to check for the existence of the colorspace extensions
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@733 632fc199-4ca6-4c93-a231-07263d6284db
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67ce3b23
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2011-12-19T02:21:03
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Added new alpha channel colorspace constants/pixel formats, so applications can specify that they need the unused byte in a 4-component RGB output buffer set to 0xFF when decompressing.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@732 632fc199-4ca6-4c93-a231-07263d6284db
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80803ae5
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2011-12-15T13:12:59
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"which"="that"
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@730 632fc199-4ca6-4c93-a231-07263d6284db
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9c4590e3
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2011-07-26T09:22:16
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git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@677 632fc199-4ca6-4c93-a231-07263d6284db
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b5624ee8
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2011-05-24T14:12:07
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Remove any references to the wxWindows Library License and VirtualGL copyrights
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@631 632fc199-4ca6-4c93-a231-07263d6284db
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65e0cd32
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2011-04-26T23:44:37
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Update license text to reflect the newly-relicensed jchuff.c
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@598 632fc199-4ca6-4c93-a231-07263d6284db
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1f8b6010
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2011-04-18T07:01:46
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git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@591 632fc199-4ca6-4c93-a231-07263d6284db
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0d2d9653
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2011-02-18T22:29:45
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Wordsmithed the project description
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@402 632fc199-4ca6-4c93-a231-07263d6284db
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a49c4e52
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2011-02-18T20:50:08
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The SIMD quantization algorithm does not produce correct results with the fast forward integer DCT and JPEG qualities >= 98, so for now, use the non-SIMD quantization function under those circumstances.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@395 632fc199-4ca6-4c93-a231-07263d6284db
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ab4db657
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2011-02-18T04:55:08
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Various documentation tweaks
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@387 632fc199-4ca6-4c93-a231-07263d6284db
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856fd82e
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2011-02-18T04:50:45
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More doc tweaks
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@386 632fc199-4ca6-4c93-a231-07263d6284db
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39f3aa08
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2011-02-18T04:39:36
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Various documentation tweaks
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@385 632fc199-4ca6-4c93-a231-07263d6284db
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6ca69537
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2011-02-18T03:31:11
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The SIMD quantization algorithm does not produce correct results with the fast forward integer DCT and JPEG qualities >= 98, so for now, use the non-SIMD quantization function under those circumstances.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.0.x@383 632fc199-4ca6-4c93-a231-07263d6284db
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f0a5ba75
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2011-02-18T03:21:06
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"integer forward DCT", not "forward integer DCT"
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@382 632fc199-4ca6-4c93-a231-07263d6284db
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7c1df0a4
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2011-02-18T02:45:24
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Performance pitfalls
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.1.x@380 632fc199-4ca6-4c93-a231-07263d6284db
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e372004b
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2010-11-23T06:50:14
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Added configure options to disable arithmetic encoding/decoding
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@300 632fc199-4ca6-4c93-a231-07263d6284db
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646e5a8a
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2010-11-18T19:55:29
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RGBA=RGBX, etc.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@296 632fc199-4ca6-4c93-a231-07263d6284db
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5559c900
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2010-10-18T02:21:10
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Additional information/corrections involving libjpeg v7/v8b emulation
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@278 632fc199-4ca6-4c93-a231-07263d6284db
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77e3964c
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2010-10-12T03:02:31
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Document the libjpeg v7/v8 extensions
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@254 632fc199-4ca6-4c93-a231-07263d6284db
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ae7fe0b9
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2010-08-11T21:46:46
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Clarify licensing
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@226 632fc199-4ca6-4c93-a231-07263d6284db
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ff95aa6d
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2010-06-05T00:22:32
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git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@199 632fc199-4ca6-4c93-a231-07263d6284db
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3dc1bc2d
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2010-05-10T22:18:10
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Create separate packages for Win64 binaries
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@181 632fc199-4ca6-4c93-a231-07263d6284db
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1e6b5b48
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2010-03-20T20:00:51
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Clarify license description
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@164 632fc199-4ca6-4c93-a231-07263d6284db
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0248dd9a
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2010-02-25T06:21:12
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Clarify the DLL hell problem
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@154 632fc199-4ca6-4c93-a231-07263d6284db
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7e0b499e
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2010-02-25T05:52:44
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Install jpeg62.dll in SDK directory, not Windows system directory. Also, check whether SDK is already installed prior to re-installing
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@153 632fc199-4ca6-4c93-a231-07263d6284db
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0a1f68ed
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2010-02-24T07:24:26
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Visual C++ libraries can't be made to work with MinGW because of the dependency on msvcr90.dll, so build a separate installer for MinGW libraries
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@151 632fc199-4ca6-4c93-a231-07263d6284db
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68fef83e
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2010-02-16T05:29:10
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Split build instructions into a new file and add SDK usage notes to README-turbo.txt
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@111 632fc199-4ca6-4c93-a231-07263d6284db
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46148710
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2010-02-15T13:27:17
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Instructions for Tiger-compatible build on Leopard/Snow Leopard
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@102 632fc199-4ca6-4c93-a231-07263d6284db
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4d5fc18f
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2010-02-14T08:02:55
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Reflect the fact that CFLAGS=CXXFLAGS=-O3 by default
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@91 632fc199-4ca6-4c93-a231-07263d6284db
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ce1546eb
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2010-02-13T23:06:03
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License info + updated performance claims
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@88 632fc199-4ca6-4c93-a231-07263d6284db
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bd17e2a5
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2010-02-12T23:24:21
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Instructions for cross compiling MinGW libs on Cygwin
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@86 632fc199-4ca6-4c93-a231-07263d6284db
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101f09a3
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2010-02-12T22:52:37
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Build instructions
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@85 632fc199-4ca6-4c93-a231-07263d6284db
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