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

Calculating dependencies ... done!
Dependency resolution took 1.01 s (backtrack: 0/20).

[ebuild  N     ] media-libs/libmad-0.15.1b-r10::gentoo  USE="-debug -static-libs" 491 KiB
[ebuild  N     ] media-libs/faad2-2.11.2::gentoo  642 KiB
[ebuild  N     ] media-sound/streamripper-1.64.6-r1::gentoo  USE="-vorbis" 880 KiB

Total: 3 packages (3 new), Size of downloads: 2012 KiB