Ebuild is missing this: REQUIRED_USE=" enca? ( iconv ) " '-subcp enca:ru:UTF-8' can not convert anything without iconv.
29 Jul 2013; Alexis Ballier <aballier@gentoo.org> mplayer-9999.ebuild: + Sort alphabetically REQUIRED_USE entries and make enca require iconv, by + Nikoli, bug #476322. +