New comment by pullmoll on void-packages repository https://github.com/void-linux/void-packages/issues/19642#issuecomment-599218223 Comment: You should update your system. The packages `ffmpeg` and thus `libavcodec` ar at version/revision `4.2.2_2` and the archive [is there](https://alpha.de.repo.voidlinux.org/current/aarch64/ffmpeg-4.2.2_2.aarch64.xbps). I manually inspected [aarch64-repodata](https://alpha.de.repo.voidlinux.org/current/aarch64/aarch64-repodata) and it actually has `ffmpeg-4.2.2_2` in its `index.plist`.