•   Docs — architecture, codecs, and status
•   Benchmarks — measured BD-rate and speed
•   Config — CLI, options, and offline build
•   FAQ — common build and codec questions

Status: active development, pre-alpha. Not ready for production: APIs, file formats, and encoded streams change without notice.

A Rust-only multimedia framework built from the standards, not ported from FFmpeg: demux, decode, filter, encode, mux, and transport. Pre-alpha.

Try it

cargo build --release --workspace
cargo run -p rustmpeg-cli -- version
cargo run -p rustmpeg-video --example vvc_dump -- 64 64 26 3 /tmp/out \
    --bit-depth 8 --chroma-format 420
cargo run -p rustmpeg-video --example vvc_decode -- /tmp/out.vvc /tmp/out.yuv

Nightly is pinned in rust-toolchain.toml (std::simd). More commands: docs/configs/CONFIG.md.

Support

Area	Implemented	Status
Containers	Matroska/WebM, ISOBMFF/CMAF	demux + mux
Video	H.266/VVC (intra subset + multi-tool P), AV2 (experimental), APV intra	partial
Audio	Opus, FLAC, LPCM, LC3	partial
Image	JPEG XL (JxlDecoder + JxlEncoder), OpenEXR (ExrDecoder + ExrEncoder), moxcms	implemented (v1/v2)
Transport	—	planned
GPU	Vulkan Compute, opt-in, bit-exact vs CPU	partial

Status

Pre-alpha. Self-reported workspace completion is in the footer and in docs/status.json; conformance is claimed only where an external oracle was run (VVC status).

Releases

A v<version> tag or a manual Release workflow run verifies the tree (cargo fmt, clippy, tests, license audit), builds the release examples, and publishes a GitHub Release with the source archive, the example binaries, and their checksums. Crates are published in dependency order only when the CARGO_REGISTRY_TOKEN repository secret is configured; otherwise the step records the skip in the run summary.

License

Apache-2.0. The VVC module derives from VTM 24.0 (BSD-3-Clause), the AV2 conformance data from dav2d (BSD-2-Clause), and the OpenEXR module from OpenEXR 3.5.2 OpenEXRCore (BSD-3-Clause); see THIRD_PARTY.md and NOTICE.

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