We need some ebuilds for perl modules added to portage for mplay. I'm going to attach the g-cpal.pl generated ebuilds. If the perl devs approve, I'll add them, otherwise, please tweak as you desire and add them to portage for us. Thanks...
Created attachment 38323 [details] Term-Screen-1.02.ebuild
Created attachment 38324 [details] Term-Cap-1.09.ebuild
Created attachment 38325 [details] File-PathConvert-0.9.ebuild
Created attachment 38326 [details] Audio-Mixer-0.7.ebuild
Created attachment 38327 [details] Ogg-Vorbis-Header-PurePerl-0.07.ebuild
ChrisWhite says mplay can use "packages internal perl modules" instead.