Shell 1-liner is a pragmatic approach, but for a submission with "in Rust" in the title I hoped it would be something fancier. For example, it's possible to us

Shell 1-liner is a pragmatic approach, but for a submission with "in Rust" in the title I hoped it would be something fancier. For example, it's possible to use ffmpeg's C API to do the transcoding in process: https://github.com/zmwangx/rust-ffmpeg/blob/master/examples/transcode-audio.rs https://github.com/zmwangx/rust-ffmpeg/blob/master/examples/...