app-arch/bzip2
dev-libs/libxml2
sys-libs/zlib
x11-libs/gtk+:2

alsa?
      ( media-libs/alsa-lib )

cdda?
      ( dev-libs/libcdio-paranoia )

cddb?
      ( media-libs/libcddb )

ffmpeg?
      ( media-video/ffmpeg:= )

flac?
      ( media-libs/flac:= )

ifp?
      ( media-libs/libifp )

jack?
      ( virtual/jack )

ladspa?
      ( media-libs/liblrdf )

lame?
      ( media-sound/lame )

libsamplerate?
      ( media-libs/libsamplerate )

lua?
      ( lua_single_target_luajit?
            ( dev-lang/luajit:= )
       lua_single_target_lua5-1?
            ( dev-lang/lua:5.1 )
       lua_single_target_lua5-3?
            ( dev-lang/lua:5.3 )
       lua_single_target_lua5-4?
            ( dev-lang/lua:5.4 )
       )

mac?
      ( >=media-sound/mac-10.24:= )

modplug?
      ( media-libs/libmodplug )

mp3?
      ( media-libs/libmad )

musepack?
      ( >=media-sound/musepack-tools-444 )

pulseaudio?
      ( media-libs/libpulse )

sndfile?
      ( media-libs/libsndfile )

speex?
      ( media-libs/speex media-libs/liboggz media-libs/libogg )

vorbis?
      ( media-libs/libvorbis media-libs/libogg )

wavpack?
      ( media-sound/wavpack )