Codec adapter
j2k-metal exposes Apple Metal-backed JPEG 2000 / HTJ2K decode and encode-stage adapter APIs.
cargo add j2k-metal
Metal JPEG2000 Rust
Metal JPEG2000 Rust
J2K provides Apple Metal adapter crates for supported JPEG 2000 / HTJ2K device-output, encode-stage, and JPEG-to-J2K/HTJ2K transcode workflows on macOS.
JPEG input adapter
j2k-jpeg-metal provides Metal-backed JPEG decode surfaces and selected baseline encode paths.
cargo add j2k-jpeg-metal
Transcode adapter
j2k-transcode-metal accelerates supported JPEG-to-J2K/HTJ2K transcode stages on macOS.
cargo add j2k-transcode-metal
Supported shape policy
Metal support is selective. Explicit Metal requests are strict and return unsupported-request errors for shapes outside the adapter's supported path.