j2k-jpeg

Pure-Rust JPEG inspect/decode crate for J2K transcode and codec pipelines.

CPU decode is the correctness baseline. Supported JPEG classes are covered by tests and capability reports; unsupported classes return structured errors. The crate also contains fixture/fallback baseline encode support used by tests and adapters.

Use this crate directly for JPEG input; use j2k for JPEG 2000 / HTJ2K and j2k-transcode for JPEG-to-J2K/HTJ2K transcode paths.