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lepton
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File lepton.changes of Package lepton
------------------------------------------------------------------- Wed Nov 30 03:47:23 UTC 2022 - Steve Kowalik <steven.kowalik@suse.com> - Remove unneeded BuildRequires on python 2. ------------------------------------------------------------------- Wed Jun 30 04:20:36 UTC 2021 - Bernhard Wiedemann <bwiedemann@suse.com> - Stop building with march=native (boo#1100677) ------------------------------------------------------------------- Wed Apr 28 06:12:06 UTC 2021 - Martin Pluskal <mpluskal@suse.com> - Update to version 1.2.1+git.20201230: * fix #122 by setting compiler flags to safer default without march=native optimizations * fix #144 ------------------------------------------------------------------- Tue Feb 18 17:11:03 UTC 2020 - Martin Pluskal <mpluskal@suse.com> - Update to version 1.2.1+git.20190820: * Fix #125 ------------------------------------------------------------------- Mon May 27 08:33:50 UTC 2019 - Martin Pluskal <mpluskal@suse.com> - Update to version 1.2.1+git.20190517: * Correctly check if CXXFLAGS is set * Include <functional> to fix build failure on Windows * fix warnings, fix #36 * fix #111 * fix #114 by checking for header payloads greater than max file size * some additional checks to prevent an infinite loop when presented with certain corrupt files. Also fixing CI. * make automake not to install `test_invariants' ------------------------------------------------------------------- Wed Nov 21 12:38:28 UTC 2018 - Martin Pluskal <mpluskal@suse.com> - Update to version 1.2.1+git.20180824: * only assert similarity of last_dc if segment_size > 1 since the overhang byte will clobber any incorrect value * only exit on encode for items that could hazard a divide by zero on decode * relax strictness in singlethreaded decompression mode, otherwise we are checking items that multithread mode cannot validate * check hpos before reading from hdrs-size array * initialize hdr memory to zero when allocating * Fix #110 by providing a more explicit error message * fix permissive mode on windows ------------------------------------------------------------------- Fri Apr 13 08:35:14 UTC 2018 - mpluskal@suse.com - Update to version 1.2.1+git.20180410: * support one version future, so we can roll out smoothly * do not trust 16 bit length value to stay below the header length ------------------------------------------------------------------- Fri Feb 9 09:52:31 UTC 2018 - mpluskal@suse.com - Update to version 1.2.1+git.20180111: * include version.hh from generic compressor * process md5 of entire input, even if subprocess fails. cap out max generic lepton file at 32 megs: users can concatenate files to make larger generic files * turn on seccomp for generic lepton compression * Relax criteria for Huffman table existence check * Fix #101 by allowing a permissive flag to accept any type of nonstandard jpeg and create a valid lepton file to represent a bitexact copy of the nonstandard jpeg * integrate concatenation test suite into the make check system * test suite for new mechanisms * fix concatenation of permissive lepton files * better header allowing for multithreaded decoding of the jpeg * more permissive with small files and no random SIGPIPE or other hurried subprocess error codes from larger ones * prototyping a new version of lepton that can compress arbitrary images or files by having a fallback path to encode data in a passthrough manner * unless EOF reached, read next header in addition to the current buffer--this lets us consume all data even if we never have a desire to read past the end * put ANS behind an experimental feature flag * Have all inter-thread communication use the same length buffers so we can distinguish between extra data after threads have closed and new types of work * tweaks to observation and update paremeters to make them slightly faster * initialize last pointer for packet reader * this worked a little too well.. call me skeptical * instantiate some ans functions * tests pass by keeping the boolwriters in scope until threads have been joined upon: do so by refactoring function so duplicate code would be in thhreaded_encode_inner and ANSBoolWriter can also lean on that templatized function * Add BoolDecoder and BoolEncoder as template arguments rather than as toplevel defines. This required a significant amount of threading of the BoolDecoder through each of the state classes * add unit test for ans bool reader and writer * move to 512 resolution probability space (considering reducing resolution on 256 instead--but lets get correctness first * simplify some of the flushing behavior * link to ANS encoder * avoid required size from zlib0 plugin ------------------------------------------------------------------- Thu Oct 19 10:50:10 UTC 2017 - mpluskal@suse.com - Update to version 1.2.1+git.20171018: * Fix #91 by adding asserts that the garbage data is never more or equal to the full file size * Fix #90 by checking for nonzero width/height * deal with malformed lepton files that have incorrect ThreadHandoff sizes * Fix #95 by adding a workaround for GCC bug https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81015 that breaks builtin_clz. Also made every run of lepton error out if bitlen(1024) != 11 * pin local brotli dep * first cut at brotli support * add missing files * fix brotli compression: add test for brotli header compression * quality 9 uses too much memory--move to quality 10--which seems to be more acceptible for memory consumption * can now produce a .lep file that represents a file with a single embedded jpeg within * fix verification to properly understand embedded files (by blanking out the -embedding command line flag on decode) on OSX and linux. Add a test for embedding * add an EOF marker at the end of any stream, so that we don't intrude upon concatenated lepton files * process files one-by-one if they are concatenated together. Current failure upon threads reading second work-items * resetting works for concatenation of 2x the same file * fix single-threaded decode of two copies of the same image concatenated * clear grbgdata and prefix data between runs * proper deallocation of grbgdata * account for some variations between the first and second file by calling reset_buffers * clear min_noise_threshold if it would be <= 0, so that a second runthrough doesn't reuse previously set values * allow number of threads to taper off over time * max and min encode threads so you can force a particular thread count for a file....will help with multi-file concatenations where you want a single thread count everywhere * get rid of printf * do not specify a thread count outside [minthread,maxthread] range * fix some memory leaks between decodes of concatenated lepton files * teach lepton to understand concatenated huffman tables, JPEG headers, prefix or postfix junk etc... * lepcat mode that can concatenate two .lep images together in a more efficient way by putting all header material in the same place * checks to make sure files are compatible before concatenation * Move concatenation code into its own header * fix llvm build * allow more than 2 files to be concatenated * fix undefined behavior in brotli bit reader, fix allocator type, and have a better strategy for picking a max size for brotlic ompression * fix for threads having no work and more even work split by row count rather than by bit density * revert thread splitting change for version 1 lepton * default to old thread splitting strategy * don't allocate extra memory if zlib0 output is selected ------------------------------------------------------------------- Thu Apr 13 13:23:49 UTC 2017 - mpluskal@suse.com - Update to version 1.2.1+git.20170405: * explicitly make padbit signed. Try to fix some quirks in cmake for powerpc * make autotools use sane default compiler flags if none are provided in the command line * on ppc when -std=c++11 is defined, the __linux macro goes away * added documentation to seeming typo * fix #87 : always check that threads_required set up the appropriate number of threads---fire off nop functions on unused threads for consistency * check divide by zero, fixing #86 * only build -scalar in ppc case ------------------------------------------------------------------- Tue Mar 28 19:11:57 UTC 2017 - mpluskal@suse.com - Update to version 1.2.1+git.20170328: * Fix #85 32 bit platform support ------------------------------------------------------------------- Thu Mar 16 18:49:25 UTC 2017 - mpluskal@suse.com - Update to version 1.2.1+git.20170311: * Cleaned up cmake config. CMake Config was messy, it is less so now Fixed inconsistent case usage Fixed indentation * Get lepton building with emscripten + cmake * Add a lepton-scalar target * Reduce memory usage by disabling custom malloc under emscripten, enabled -O2 optimizations (only work for lepton-scalar) * Added a javascript wrapper for the emscripten compiled lepton-scalar * added scalar checks to ./configure and to travis.yml * added config options to force standard memory allocators and adjust seccomp rules accordingly * be explicit about if a dev_assert happens versus a always_assert... demote any assert() that's costly to dev_assert * add billing as an option independent of NDEBUG * added a PacketReader interface to allow for streaming of data into the vpx_reader * change rand to simply use modular arithmetic for the test reader class * make the streaming work for single threaded case * intrusive list nodes * use correct thread_id for setting up the packet readers * plumb the thread communication through the whole stack. Ugly init semantics for SendToVirtualThread state) * getting close: initialize the bool decoder later, when the streams are available * make single thread work again for progressive files * added baseline version of the progressive reading of data * remove some debug printouts: * remove preload of the mux_reader, since that is allocated bit-by-bit * receive data queued up in batches from the main thread, if available * trying to make a unified model where every thread is treated equally, and thus can finish at a more similar timestamp * fix singlethread progressive case * make unified framework operate with progressive files...both single threaded and multi * give the first worker its own full thread to fully decouple the I/O with the processing so that we don't starve the other workers * set the thread mapping before kicking off the first thread * setup memmgr with right number of threads * added test of an image encoded with more threads than available by default * fix multithreaded issue when more virtual threads exist than workers * remove the legacy nonunified thread model code, coalesce single-threaded code in the recode.cc case * simplified the decode_chunk progressive inner loop * startup all threads before waiting for them to start * wipe pthread * fewer assert statements... simpler reasoning? * Include a copy of the Apache license * added a test for failing round trip * prewarm get_nprocs for ubuntu12.04 compatibility with using posix_memalign under seccomp filters * this should make perf significantly worse; but it gets better... unclear why * Added a benchmark mode for lepton take filename as arg instead of including it... the reasonable include in smalljpg.hh is sufficient benchmark to produce meaningful stats * use std::mutex instead of std::atomic for thread synchronization when STANDARD_MEMORY_ALLOCATORS are on...this helps race detection tools and is simpler to reason about. * no longer define __APPLE__ to isolate threads * added some extra error handling and fixed a loop for decoding of progressive zero runs * add some initialization to constructors to make it easier to reason about. Also set EOBrun to better detect runs * remove buffer leak from benchmark * allow benchmark to finish early if you want to test less system load * windows support * between logical threads, never assume previous thread overran its bound * prewarm get_nprocs for ubuntu12.04 compatibility with using posix_memalign under seccomp filters * Fixed benchmark to work with custom allocators. Also added better help explanations to the help output display * minor changes to make unused items only defined when they are used * better help message on windows ------------------------------------------------------------------- Sun Dec 18 12:23:12 UTC 2016 - mpluskal@suse.com - Update to version 1.2.1+git.20161213: * Ensure proc.terminate() is called after unit test * ioutil: poll.h -> sys/select.h * close opened file descriptors properly * Revert "close opened file descriptors properly" * resource leak: fp * Fix posix_memalign call * Added missing 'defined'. * fix uninitialized variable ------------------------------------------------------------------- Fri Oct 21 14:58:21 UTC 2016 - mpluskal@suse.com - Update to version 1.2.1+git.20160921: * make sockettester and forktester python3 compatible * Ensure proc.terminate() is called after unit test * ioutil: poll.h -> sys/select.h * close opened file descriptors properly * Revert "close opened file descriptors properly" * resource leak: fp * Fix posix_memalign call * Added missing 'defined'. ------------------------------------------------------------------- Thu Aug 25 17:45:41 UTC 2016 - mpluskal@suse.com - Update to version 1.2.1+git.20160813: * ioutil: poll.h -> sys/select.h * close opened file descriptors properly ------------------------------------------------------------------- Thu Aug 04 18:37:15 UTC 2016 - mpluskal@suse.com - Update to version 1.2.1+git.20160802: * Added wrapper libraries section to README * formatting * rename it to LICENSE.md * removing the extension * fixes for #47 : i386 compat * Add php bindings notice to README.md * make sockettester and forktester python3 compatible * Ensure proc.terminate() is called after unit test ------------------------------------------------------------------- Tue Jul 19 08:52:50 UTC 2016 - mpluskal@suse.com - Update to version 1.2.1+git.20160718: * /build for .gitignore * 64-bit-related fixes * Win32 build improvements * Fixed types to be 32-bit in all cases, fixed comments * Unified types * remove unused components of zlib * it builds now, but will it run; the way things are going I don't know... ------------------------------------------------------------------- Fri Jul 15 11:17:31 UTC 2016 - mpluskal@suse.com - Initial package for version 1.0
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