These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 1.02 s (backtrack: 0/20).

[ebuild  N     ] media-libs/libvmaf-3.2.1::gentoo  USE="embed-models -test" 18155 KiB

Total: 1 package (1 new), Size of downloads: 18155 KiB