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Releases: GrokImageCompression/grok

v20.3.0

12 Apr 16:27

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This point release encompasses the many new features added since v20.2.0

v20.2.9

12 Apr 02:50

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This release enhances existing network authentication support.

v20.2.8

11 Apr 13:46

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This release:

  1. fixes a transcode bug for EPH/SOP markers - will now work with or without TLM marker present
  2. fixes a CDEF colour association validation bug that was rejecting RGBA images
  3. adds support for vsicurl network files

v20.2.7

07 Apr 01:30

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This is a bug fix release, fixing a number of issues caught by OSS-Fuzz.

v20.2.6

02 Apr 10:56

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This release add the following new features:

  1. grk_transcode binary to transcode jp2\j2k\jph files: PLT and TLM markers can be added, progression can be modified, quality layers can be stripped etc. Please see Wiki for more details
  2. grk_decompress now has an option to decompress only a selection of components rather than every component in the image. Please see Wiki for more details
  3. Exif tags are now managed by Grok instead of delegated to ExifTool. The Perl dependency is removed and Exif tag management now works on Windows
  4. fuzzing via OSS-Fuzz has been enabled for compression - this has already caught a number of memory and address corruption issues.

v20.2.5

29 Mar 20:20

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v20.2.5

v20.2.4

28 Mar 19:54

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This release:

  1. fixes memory back-pressure implementation for TLM over network
  2. Adds new wait and copy API method for asynchronous + simulate synchronous mode : library will copy tile to user-supplied swath buffer when tile decompression complete

v20.2.3

27 Mar 09:56

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This release:

  1. Optimizes compression by increasing use of concurrency
  2. Fixes a build regression in the previous release : v20.2.2

v20.2.2

26 Mar 16:50

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This release adds the following features:

  1. New language bindings for C# and Java
  2. Complete Motion JP2 implementation
  3. AVX2 path for HTJ2K encode/decode
  4. Upstream integration with GDAL via JP2Grok driver

v20.2.1

22 Mar 16:44

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This release provides a number of memory use optimizations - RSS should now be less than half what it was in previous releases.