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2023-08-18Move serialized dictionary feature behind the flag.Evgenii Kliuchnikov1-1/+4
BROTLI_SHARED_DICTIONARY_SERIALIZED enum value is a part of API, but it should not be used (will cause failures). Changing how serialized dictionaries work won't be considered as an API change, until this feature is enabled. Enabling this feature in the future will be considered as a "compatible" change. PiperOrigin-RevId: 558091676
2023-07-30simplify CMake buildEvgenii Kliuchnikov2-2/+2
PiperOrigin-RevId: 552238545
2023-01-31Decoder API: added API to attach metadata blocks callbacksEvgenii Kliuchnikov1-0/+41
PiperOrigin-RevId: 505734532
2023-01-17Internal changeBrotli1-1/+1
PiperOrigin-RevId: 502401179
2022-11-17UpdateEvgenii Kliuchnikov1-8/+0
Documentation: - add note that brotli is a "stream" format, not an archive-like - regenerate .1 with Pandoc Build: - drop legacy "BROTLI_BUILD_PORTABLE" option - drop "BROTLI_SANITIZED" definition Code: - c: comb includes - c/enc: extract encoder state into separate header - c/enc: drop designated q10 codepath - c/enc: dealing better with flushing of empty stream - fix MSVC compilation API: - py: use library version instead of one in version.h - c: add plugable API to report consumed input / produced output - c/java: support "lean" prepared dictionaries (without copy of source)
2021-11-10Prepare for copybara (#939)Eugene Kliuchnikov2-0/+31
Co-authored-by: Eugene Kliuchnikov <eustas@chromium.org>
2021-08-31Migrate to github actions (#920)Eugene Kliuchnikov1-1/+1
Not all combinations are migrated to the initial configuration; corresponding TODOs added. Drive-by: additional combinations uncovered minor portability problems -> fixed Drive-by: remove no-longer used "script" files. Co-authored-by: Eugene Kliuchnikov <eustas@chromium.org>
2021-08-18Update (#918)Eugene Kliuchnikov1-3/+4
Prepare to use copybara worklow.
2021-08-04Merge-in SharedDictionary feature (#916)Eugene Kliuchnikov3-1/+168
Co-authored-by: Eugene Kliuchnikov <eustas@chromium.org>
2019-07-22More careful sanitizer detection (#764)Eugene Kliuchnikov1-0/+14
2019-04-12Update (#749)Eugene Kliuchnikov1-1/+22
Update: * Bazel: fix MSVC configuration * C: common: extended documentation and helpers around distance codes * C: common: enable BROTLI_DCHECK in "debug" builds * C: common: fix implicit trailing zero in `kPrefixSuffix` * C: dec: fix possible bit reader discharge for "large-window" mode * C: dec: simplify distance decoding via lookup table * C: dec: reuse decoder state members memory via union with lookup table * C: dec: add decoder state diagram * C: enc: clarify access to static dictionary * C: enc: improve static dictionary hash * C: enc: add "stream offset" parameter for parallel encoding * C: enc: reorganize hasher; now Q2-Q3 require exactly 256KiB to avoid global TCMalloc lock * C: enc: fix rare access to uninitialized data in ring-buffer * C: enc: reorganize logging / checks in `write_bits.h` * Java: dec: add "large-window" support * Java: dec: improve speed * Java: dec: debug and 32-bit mode are now activated via system properties * Java: dec: demystify some state variables (use better names) * Dictionary generator: add single input mode * Java: dec: modernize tests * Bazel: js: pick working commit for closure rules
2018-06-20Update (#688)Eugene Kliuchnikov1-3/+234
* add rolling-composite-hasher for large-window mode * make API methods explicitly public
2018-05-03Update (#664)Eugene Kliuchnikov2-30/+7
* Update * fix ifdef style * get back to fine-compiler-version-based-macros (use Hedley) * fix q=0 histogram collection for very long copy/insert commands
2018-04-20Remove unprefixed macros from public headers (#662)Eugene Kliuchnikov1-19/+0
2018-03-27Update (#656)Eugene Kliuchnikov1-2/+1
* proper fix for the "fall through" warning" * automatic NDIRECT/NPOSTFIX tuning (better compression) * fix unaligned access for `aarch64`-cross-`armhf` build * fix `aarch64` detection (10% decoder speedup) * expose `large_window` CLI option * make default window size 16MiB * ramp up version to 1.0.4
2018-03-20Update (#651)Eugene Kliuchnikov1-1/+17
* fix `bazel` build (ignore switch case fall-through) * add `NPOSTFIX` / `NDIRECT` encoder parameters * fix source file lists (add `params.h`) * fix bug in `durchschlag` * print clarifying messages wheb CLI argument parsing fails
2018-02-26New feature: "Large Window Brotli" (#640)Eugene Kliuchnikov2-6/+20
* New feature: "Large Window Brotli" By setting special encoder/decoder flag it is now possible to extend LZ-window up to 30 bits; though produced stream will not be RFC7932 compliant. Added new dictionary generator - "DSH". It combines speed of "Sieve" and quality of "DM". Plus utilities to prepare train corpora (remove unique strings). Improved compression ratio: now two sub-blocks could be stitched: the last copy command could be extended to span the next sub-block. Fixed compression ineffectiveness caused by floating numbers rounding and wrong cost heuristic. Other C changes: - combined / moved `context.h` to `common` - moved transforms to `common` - unified some aspects of code formatting - added an abstraction for encoder (static) dictionary - moved default allocator/deallocator functions to `common` brotli CLI: - window size is auto-adjusted if not specified explicitly Java: - added "eager" decoding both to JNI wrapper and pure decoder - huge speed-up of `DictionaryData` initialization * Add dictionaryless compressed dictionary * Fix `sources.lst` * Fix `sources.lst` and add a note that `libtool` is also required. * Update setup.py * Fix `EagerStreamTest` * Fix BUILD file * Add missing `libdivsufsort` dependency * Fix "unused parameter" warning.
2017-12-12Update (#630)Eugene Kliuchnikov3-80/+11
* merge {dec|enc}/port.h into common/platform.h * fix one-shot q=10 1-byte input compression * fix some unprefixed definitions * make hashers host-endianness-independent * extract enc/params.h from enc/quality.h * fix API documentation / typos * improve `BrotliEncoderMaxCompressedSize`
2017-11-28Update (#620)v1.0.2Eugene Kliuchnikov2-4/+6
* add autotools build * separate semantic and ABI version * extract sources.lst (used by CMake and Automake) * share pkgconfig templates (used by CMake and Automake) * decoder: always set `total_out` * encoder: fix `BROTLI_ENSURE_CAPACITY` macro (no-op after preprocessor) * decoder/encoder: refine `free_func` contract
2017-10-13Update (#617)Eugene Kliuchnikov1-1/+1
* remove `const` on `BrotliDictionary` members * extend `ZofliNode` distance range to 128MiB * add missing `port.h` include to `quality.h` * fix typo in encoder API-doc * regenerate `decode.min.js`
2017-10-10Fix permissions of various files in project (#613)Tomáš Popela4-0/+0
Move from 755 to 644.
2017-09-20Fix API documentation + theoretical NPEs (#602)v1.0.0Eugene Kliuchnikov1-3/+7
2017-08-04Update API, and more (#581)Eugene Kliuchnikov2-50/+4
Update API, and more: * remove "custom dictionary" support * c/encoder: fix #580: big-endian build * Java: reduce jar size * Java: speedup decoding * Java: add 32-bit CPU support * Java: make source code JS transpiler-ready
2017-07-11add BROTLI_DEC_API to methods (#572)Denys Tsomenko1-2/+2
2017-06-13Update (#560)Eugene Kliuchnikov1-0/+23
Update: * add decoder API to avoid ringbuffer reallocation * fix MSVC warnings * remove dead code
2017-05-29Update (#555)Eugene Kliuchnikov1-3/+4
Update: * new CLI; bro -> brotli; + man page * JNI wrappers preparation (for bazel build) * add raw binary dictionary representation `dictionary.bin` * add ability to side-load brotli RFC dictionary * decoder persists last error now * fix `BrotliDecoderDecompress` documentation * go reader don't block until necessary * more consistent bazel target names * Java dictionary data compiled footprint reduced * Java tests refactoring
2017-04-23Move files & update paths (#541)Eugene Kliuchnikov4-0/+995
* Move files & update paths * Rename build to scripts. * Fix paths * Fix script.
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