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Compatibility for cmake version < 3.5 is now deprecated in cmake and
specifing version below 3.5 in cmake_minimum_required produces a
warning.[1]
[1] https://cmake.org/cmake/help/latest/release/3.27.html#deprecated-and-removed-features
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With #1450 which goes with 480cc9d49775d018c19ce0e01f6be27858d63d39 "Remove support for non-C99 compilers (like VS2010) that don't support snprintf()",
support for MSVC versions prior to vs2015 is dropped: https://stackoverflow.com/questions/2915672/snprintf-and-visual-studio-2010
This means that all supported MSVC versions do have `stdint.h` & `inttypes.h` now.
For non windows platforms, those headers were already mandatory.
Make them mandatory for all builds.
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* Add GNUInstallDirs for standard installation directories
Distributions are given standard variables for already existing hooks.
Multiarch libdirs is taken care of automagically.
Raises minimum cmake version by a little.
* Handle CMAKE_INSTALL_xxx being absolute paths for .pc file generation
In some cases the CMAKE_INSTAL_{BIN,MAN,DOC,LIB,INCLUDE}DIR variables
may turn out to be absolute paths in which case prepending ${prefix} in
the pkg-config .pc files will result in incorrect values.
For .pc file generation, figure out if these variables are absolute and
omit the prefix in the configured file when so.
See: https://github.com/OSGeo/PROJ/commit/ab25e4b7ed9544e668282dcd293cfaaa2e56dbdf
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There are a few limitations:
- mixed mode (HT and regular code blocks) is not supported.
- ROI in HT blocks is not supported.
- Placeholder passes are not supported.
- MultiHT sets are not support, only a singleHT set.
- there are known issues with some compliance testing files related to
the parsing of packet header.
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Update the bench_dwt utility to have a -decode/-encode switch
Measured performance gains for DWT encoder on a
Intel(R) Core(TM) i7-6700HQ CPU @ 2.60GHz (4 cores, hyper threaded)
Encoding time:
$ ./bin/bench_dwt -encode -num_threads 1
time for dwt_encode: total = 8.348 s, wallclock = 8.352 s
$ ./bin/bench_dwt -encode -num_threads 2
time for dwt_encode: total = 9.776 s, wallclock = 4.904 s
$ ./bin/bench_dwt -encode -num_threads 4
time for dwt_encode: total = 13.188 s, wallclock = 3.310 s
$ ./bin/bench_dwt -encode -num_threads 8
time for dwt_encode: total = 30.024 s, wallclock = 4.064 s
Scaling is probably limited by memory access patterns causing
memory access to be the bottleneck.
The slightly worse results with threads==8 than with thread==4
is due to hyperthreading being not appropriate here.
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lacks the installation target for the library (#1019, fixes regression introduced by 3dfc6ca2bcf06fd1adb6b6b4cecc6c092f08ba0b)
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the static lib (#1019)
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Instead of being the full tile size.
* Use a sparse array mechanism to store code-blocks and intermediate stages of
IDWT.
* IDWT, DC level shift and MCT stages are done just on that smaller array.
* Improve copy of tile component array to final image, by saving an intermediate
buffer.
* For full-tile decoding at reduced resolution, only allocate the tile buffer to
the reduced size, instead of the full-resolution size.
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build both shared and static library
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This saves comparing the current pointer with the end of buffer pointer.
This results at least in tiny speed improvement for raw decoding, and
smaller code size for MQC as well.
This kills the remains of the raw.h/.c files that were only used for
decoding. Encoding using the mqc structure already.
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on declaration-after-statement
And remove occurences of unused arguments in src/lib/openjp2
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Fix #831
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renaming to be consistent with previous OPJ CMake options
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Allow these hot functions to be inlined. This boosts decode performance by ~10%.
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Inspired from https://github.com/InsightSoftwareConsortium/ITK/blob/master/Utilities/Maintenance/HowToCreateTheCMakeCaseConversion.txt
This needs vim 7.3 and fails with vim 7.4
This also fixes a number of :
- missing empty line at end of files
- useless space at end of lines
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Update uclouvain/openjpeg#488
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issue #488
See also
http://public.kitware.com/pipermail/cmake/2015-April/060479.html
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Update issue 443
Warnings related to OPJ_USE_DSYMUTIL are fixed
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Fixes issue 340
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avoid expose unused variables into the public API.
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always available in branch 1.5
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r2077 did expose too much of the detail implementation of OpenJPEG. Rework dependencies in between JPIP file level details and JPIP client/server arch.
Move JPIP file level functionalities back into OpenJP2 as was the case in openjpeg 1.5.x. Use new cio func.
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- using mingw32 compiler (missing exported symbols)
- using -fvisibility=hidden (gcc on UNIX)
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Update issue 177
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Update issue 177
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