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README.md

qoi-fast

Build Latest Version Documentation Apache 2.0 MIT unsafe forbidden

Fast encoder/decoder for QOI image format, implemented in pure and safe Rust.

Quick summary:

  • One of the fastest QOI encoders/decoders out there.
  • Compliant with the latest QOI format specification.
  • Zero unsafe code.
  • Supports decoding from / encoding to std::io streams directly.
  • no_std support.
  • Roundtrip-tested vs the reference C implementation; fuzz-tested.

Examples

todo!();

Benchmarks

Comparison to the reference C implementation (as of 00e34217), benchmarks timings collected on Apple M1 (1782 images, 1187 MB total):

codec          decode:ms    encode:ms  decode:mp/s  encode:mp/s

qoi-c            4406.63      5515.80        282.4        225.6
qoi-fast         3071.49      4545.08        405.2        273.8

License

This project is dual-licensed under MIT and Apache 2.0.