ac-ffmpeg is used at run time in 4 crates (of which 3 optionally). It is a direct run-time dependency in 3 crates.

Depender (with downloads and own rev deps) ac-ffmpeg version
6.2K 5 dash-mpd optional ^0.18.1
550 4 srt-tokio optional ^0.18
1 tori-player ^0.18.1