libkeyfinder-sys

Rust bindings for libkeyfinder - musical key detection for audio.

use libkeyfinder_sys::{KeyFinder, AudioData};

let mut audio = AudioData::new();
audio.set_frame_rate(44100);
audio.set_channels(2);
audio.extend(samples);

let mut kf = KeyFinder::new();
let key = kf.key_of_audio(&audio);

See documentation for details.

License

GPL v3 or later.