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

Calculating dependencies ... done!
Dependency resolution took 0.97 s (backtrack: 0/20).

[ebuild  N     ] virtual/jpeg-100-r1::gentoo  USE="-static-libs" 0 KiB
[ebuild  N     ] media-video/mpeg-tools-1.5b-r5::gentoo  1982 KiB

Total: 2 packages (2 new), Size of downloads: 1982 KiB