Changelog

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0.1.0 - 2026-10-05

Added

  • MIT LICENSE and THIRD_PARTY_NOTICES.md for the statically linked CharLS, OpenJPEG and IJG code.
  • CI workflow and a release workflow that builds precompiled NIFs for macOS and Linux (glibc), arm64 and x86_64.

Fixed

  • The crate compiles: crate versions that exist (openjp2 0.6.1, charls-sys 2.4, jpeg-encoder 0.7, rustler 0.38) and their real APIs.
  • Codecs return {:ok, binary} or {:error, {reason, message}} as Dicom.Codec requires; corrupt data and invalid metadata no longer raise.
  • JPEG-LS: colour streams in any interleave mode decode to pixel-interleaved samples; noise no longer overflows CharLS's output estimate; truncated or corrupt streams fail at once instead of spinning for seconds inside CharLS.
  • Lossless JPEG of 9–16 bits decodes to little-endian samples.

Changed

  • Every NIF runs on a dirty CPU scheduler.
  • Decoded frames are checked against the metadata before allocating, which also covers CharLS advisory GHSA-mqrg-gfc8-73ff.
  • JPEG 2000 encoding writes a raw J2K codestream and applies the reversible colour transform only for YBR_RCT.
  • Precompiled NIFs for macOS and Linux (glibc), arm64 and x86_64; other targets build from source with DICOM_CODECS_BUILD=1.