Commit Graph

9 Commits

Author SHA1 Message Date
Eugene Kliuchnikov
4b2b2d4f83
Update (#749)
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
2019-04-12 13:57:42 +02:00
Eugene Kliuchnikov
d0ffe60b87
Verbose CLI + start pulling "Shared-Brotli" (#722)
* Verbose CLI + start pulling "Shared-Brotli"

 * vesbose CLI output; fix #666
 * pull `SHIFT` transforms; currently this is semantically dead code;
   later it will be used by "Shared-Brotli"
2018-10-24 16:06:09 +02:00
Eugene Kliuchnikov
f7cbc97c96
Fix typo / minor formatting (#716)
* Fix typo / minor formatting / pull computable constant to the place of use.
2018-10-16 16:46:54 +02:00
Eugene Kliuchnikov
35e69fc7cf
New feature: "Large Window Brotli" (#640)
* 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.
2018-02-26 09:04:36 -05:00
Eugene Kliuchnikov
da254cffdb
Update (#630)
* 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`
2017-12-12 14:33:12 +01:00
Eugene Kliuchnikov
3e58ea5f90 Update (#617)
* 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`
2017-10-13 14:50:51 +02:00
Tomáš Popela
a0c7dafe28 Fix permissions of various files in project (#613)
Move from 755 to 644.
2017-10-10 11:24:13 +02:00
Eugene Kliuchnikov
d7bce1e092 Update (#593)
* Update:
 * fix CLI error messages
 * fix CLI console IO on Windows
2017-09-07 20:27:49 +02:00
Eugene Kliuchnikov
6ece1d8791 Move files & update paths (#541)
* Move files & update paths

* Rename build to scripts.

* Fix paths

* Fix script.
2017-04-23 14:07:08 +02:00