DRC
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61298968fa
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Add the ability to test scaling when decompressing to YUV; compression from YUV to JPEG; and YUV padding. Replace clunky -411 and -440 parameters with a -subsamp parameter that allows any of the subsampling options to be tested in isolation.
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2013-11-04 23:07:54 +00:00 |
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DRC
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b767b5e6bb
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Deprecate and undocument the FORCE{MMX|SSE|SSE2|SSE3} flags. These were originally introduced in TurboJPEG/IPP as a way to override the automatic CPU selection in the underlying IPP codec, which was closed source. They are not meaningful anymore, since libjpeg-turbo provides environment variables to accomplish the same thing and since it no longer necessarily uses x86 SIMD code behind the scenes.
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2013-10-31 07:11:39 +00:00 |
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DRC
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2bf81e8eb7
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Fix a couple of issues with return value checking. JFREAD(), which wraps fread(), will never return -1. fread() will instead return 0 or a short object count if an error occurs, and ferror() will return 1 in that case. The second issue was that we were assigning the return value of ftell() to an unsigned long prior to checking the value, so the value would never be < 0 if an error occurred. It would instead be (unsigned long)-1.
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2013-10-12 21:51:16 +00:00 |
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DRC
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0fb3247f9a
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Add CMYK support to the TurboJPEG Java API & clean up a few things in the C API
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2013-08-23 04:45:43 +00:00 |
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DRC
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24668df1df
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Add CMYK support to the TurboJPEG C API
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2013-08-23 02:49:25 +00:00 |
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DRC
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5ca8bf8738
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Add 4:1:1 subsampling support in the TurboJPEG C API
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2013-08-18 10:19:00 +00:00 |
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DRC
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b34b2ad711
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Add note regarding the fact that 4:4:0 lacks full SIMD support; Add an option for benchmarking 4:4:0 subsampling in tjbench.
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2013-08-18 09:15:37 +00:00 |
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DRC
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019d51d4f1
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Add flags to the TurboJPEG API that allow the caller to force the use of either the fast or the accurate DCT/IDCT algorithms in the underlying codec.
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2012-06-29 23:46:38 +00:00 |
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DRC
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6de1345133
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Fix the behavior of the alpha-enabled colorspace constants whenever libjpeg-turbo is built without SIMD support and merged upsampling is used.
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2012-03-16 14:30:46 +00:00 |
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DRC
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5e805d2f4b
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Expose new scaling factors in TurboJPEG API
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2012-01-28 06:49:56 +00:00 |
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DRC
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88d2e0d792
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Oops. Height of output buffer should equal scaled height, not JPEG height.
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2012-01-28 06:31:21 +00:00 |
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DRC
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9b0741512e
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Fix compiler warning
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2011-10-18 22:06:22 +00:00 |
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DRC
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f343d7332a
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Implement custom filter callback in Java
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2011-09-20 05:02:19 +00:00 |
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DRC
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42df487a35
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2011-09-17 00:41:14 +00:00 |
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DRC
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85a878bf07
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Implement a custom DCT filter callback for lossless transforms
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2011-09-17 00:18:31 +00:00 |
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DRC
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489864aefa
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Re-work TJBUFSIZE() to take into account the level of chrominance subsampling
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2011-07-12 03:17:23 +00:00 |
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DRC
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14ae3e4959
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Oops. Add the already-advertised -bmp option
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2011-05-25 04:35:53 +00:00 |
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DRC
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49e17cd6a7
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"jpegut"="tjunittest" & "jpgtest"="tjbench"
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2011-05-25 03:54:56 +00:00 |
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