Why --prefix=${EPREFIX}/usr --bindir=${EPREFIX}/usr/bin --libdir=${EPREFIX}/usr/$(get_libdir) --confdir=${EPREFIX}/etc/mplayer --datadir=${EPREFIX}/usr/share/mplayer${namesuf} are in both src_configure and src_install? For me it works fine without duplicating.
Created attachment 262253 [details, diff] patch, works fine for me
Good catch. Added to main tree.