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c9453121
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2017-06-29T16:49:09
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TJBench: Recover from non-fatal errors if possible
Previously, -stoponwarning only had an effect on the underlying
TurboJPEG C functions, but TJBench still aborted if a non-fatal error
occurred. This commit modifies the C version of TJBench such that it
always recovers from a non-fatal error unless -stoponwarning is
specified. Furthermore, the benchmark stores the details of the last
non-fatal error and does not print any subsequent non-fatal error
messages unless they differ from the last one.
Due to limitations in the Java API (specifically, the fact that it
cannot communicate errors, fatal or otherwise, to the calling program
without throwing a TJException), it was only possible to make
decompression operations fully recoverable within TJBench. With other
operations, -stoponwarning still has an effect on the underlying C
library but has no effect at the Java level.
The Java API documentation has been amended to reflect that only certain
methods are truly recoverable, regardless of the state of
TJ.FLAG_STOPONWARNING.
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dadebcd7
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2017-06-28T11:43:08
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TurboJPEG: Add "copy none", progressive xform opts
Allow progressive entropy coding to be enabled on a
transform-by-transform basis, and implement a new transform option for
disabling the copying of markers.
Closes #153
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dedce66e
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2017-06-28T15:30:41
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Merge branch 'master' into dev
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e248d430
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2017-06-28T14:40:35
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Java TJBench: Fix parsing of -warmup argument
Due to an oversight, this wasn't included in
1db1ce45da2e78d87ff05119b674c71d630926aa.
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1db1ce45
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2017-06-27T14:22:39
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TJBench: Improve consistency of results
Given that libjpeg-turbo can often process hundreds of megapixels/second
on modern hardware, the default of one warmup iteration was essentially
meaningless. Furthermore, the -warmup option was a bit clunky, since
it required some foreknowledge of how fast the benchmarks were going to
execute.
This commit introduces a 1-second warmup interval for each benchmark by
default, and the -warmup option has been retasked to control the length
of that interval.
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aba6ae59
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2017-06-27T13:24:08
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TurboJPEG: Opt. enable progressive entropy coding
Fulfills part of the feature request in #153. Also paves the way for
SIMD-accelerated progressive Huffman coding (refer to #46.)
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d4092f6b
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2017-06-27T10:54:21
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TurboJPEG: Improve error handling
- Provide a new C API function and TJException method that allows
calling programs to query the severity of a compression/decompression/
transform error.
- Provide a new flag that instructs the library to immediately stop
compressing/decompressing/transforming if a warning is encountered.
Fixes #151
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11eec4a3
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2017-06-26T20:48:02
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TJBench: Fix errors when decomp. files w/ ICC data
Embedded ICC profiles can cause the size of a JPEG file to exceed the
size returned by tjBufSize() (which is really meant to be used for
compression anyhow, not for decompression), and this was causing a
segfault (C) or an ArrayIndexOutOfBoundsException (Java) when
decompressing such files with TJBench. This commit modifies the
benchmark such that, when tiled decompression is disabled, it re-uses
the source buffer as the primary JPEG buffer.
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74e4c793
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2016-11-16T15:08:16
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TJBench: Fix regression/-nowrite always enabled
Introduced by eb59b6e72d8098a1f7b8c7e0c710b32eb6f5dc45
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eb59b6e7
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2016-01-11T22:27:38
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Add -nowrite arg to TJBench to improve consistency
Prevents any images from being written to disk, thus making the
performance of the benchmark as CPU-bound as possible.
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d92949b0
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2014-08-22T03:00:37
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Run the TurboJPEG conformance tests out of a directory in /tmp (for improved performance, if the source directory is on a remote file share.) Fix an issue in TJBench.java that prevented it from working properly if the source image resided in a directory with a dot in the name.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1373 632fc199-4ca6-4c93-a231-07263d6284db
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a1a920cc
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2014-08-22T02:51:16
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Run the TurboJPEG conformance tests out of a directory in /tmp (for improved performance, if the source directory is on a remote file share.) Fix an issue in TJBench.java that prevented it from working properly if the source image resided in a directory with a dot in the name.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1371 632fc199-4ca6-4c93-a231-07263d6284db
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7a6ed075
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2014-03-17T11:14:52
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Extend YUVImage class to allow reuse of the same buffer with different metadata; port TJBench changes that treat YUV encoding/decoding as an intermediate step of the JPEG compression/decompression pipeline rather than a separate test case; add YUV encode/decode tests to the Java version of tjbenchtest
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1184 632fc199-4ca6-4c93-a231-07263d6284db
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6e11d689
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2014-03-17T10:19:42
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Fix an error that occurred when trying to use the lossless transform feature without specifying -quiet; formatting tweak
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1182 632fc199-4ca6-4c93-a231-07263d6284db
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2ae7918a
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2014-03-17T10:14:18
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Fix an error that occurred when trying to use the lossless transform feature without specifying -quiet; formatting tweak
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1181 632fc199-4ca6-4c93-a231-07263d6284db
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4dafea68
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2014-03-17T10:13:17
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Move the garbage collection of the JPEG tiles into the decompression function to increase the chances that tiled decompression of large images will succeed without an OutOfMemoryError.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1180 632fc199-4ca6-4c93-a231-07263d6284db
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88f260c7
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2014-03-17T10:12:11
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Move the garbage collection of the JPEG tiles into the decompression function to increase the chances that tiled decompression of large images will succeed without an OutOfMemoryError.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1179 632fc199-4ca6-4c93-a231-07263d6284db
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fc26b657
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2014-03-16T22:56:26
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Extend the YUV decode functionality to the TurboJPEG Java API, and port the TJUnitTest modifications that treat YUV encoding/decoding as an intermediate step of the JPEG compression/decompression pipeline rather than a separate test case; Add the ability to encode YUV images from an arbitrary position in a large image buffer; Significantly refactor the handling of YUV images; numerous doc tweaks; other Java API cleanup and usability improvements
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1176 632fc199-4ca6-4c93-a231-07263d6284db
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695b6e86
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2014-03-16T19:33:07
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Don't use deprecated constructor
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1174 632fc199-4ca6-4c93-a231-07263d6284db
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c33347c0
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2014-03-15T13:25:11
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Add @Deprecated to the deprecated Java methods, so javac will actually print deprecation warnings, as opposed to just listing the methods as deprecated in javadoc; remove the use of the deprecated methods by our own test programs.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1171 632fc199-4ca6-4c93-a231-07263d6284db
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b1481394
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2014-03-14T08:53:33
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Streamline the BufferedImage functionality in the compressor so that it works the same way as compressing a "normal" image, and deprecate the old BufferedImage methods and other redundant methods. Eliminate the use of deprecated features in the test programs.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1168 632fc199-4ca6-4c93-a231-07263d6284db
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d4b453c2
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2014-03-11T08:28:47
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Back-port the -subsamp option from 1.4 rather than use the hackish approach of replacing 4:2:2 with 4:4:0. This has the added advantage of allowing the user to test only a specific level of subsampling.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1153 632fc199-4ca6-4c93-a231-07263d6284db
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db0e2791
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2014-03-11T08:25:59
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Oops. This was apparently the victim of an overly aggressive search/replace.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1152 632fc199-4ca6-4c93-a231-07263d6284db
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2e8ff4b0
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2013-11-05T19:53:12
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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.
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1075 632fc199-4ca6-4c93-a231-07263d6284db
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aba7ceda
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2013-08-23T07:13:59
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Oops. Forgot to implement access method for the colorspace & extend TJBench
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1022 632fc199-4ca6-4c93-a231-07263d6284db
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a5830628
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2013-08-18T11:04:21
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Add 4:1:1 subsampling support in the TurboJPEG Java API
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1017 632fc199-4ca6-4c93-a231-07263d6284db
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ae92418c
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2013-08-18T10:47:07
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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; Wordsmithing; Disable timestamp in generated HTML files to make diffing and merging easier
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@1016 632fc199-4ca6-4c93-a231-07263d6284db
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f82b9f96
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2013-08-18T10:39:30
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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; Wordsmithing; Disable timestamp in generated HTML files to make diffing and merging easier
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@1015 632fc199-4ca6-4c93-a231-07263d6284db
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67bee868
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2013-04-27T12:36:07
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Code formatting tweaks
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/branches/1.3.x@968 632fc199-4ca6-4c93-a231-07263d6284db
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fac3bea8
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2012-09-24T02:27:55
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Add a Java version of TJBench and extend the TurboJPEG Java API to support it (this involved adding a polymorphic method in TJCompressor that accepts x and y offsets into a larger buffer, similar to the previous modification that had been done to TJDecompressor.)
git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@862 632fc199-4ca6-4c93-a231-07263d6284db
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