mysql?
      ( virtual/mysql )

!mysql?
      ( >=dev-db/sqlite-3 )

javascript?
      ( dev-lang/spidermonkey )

expat?
      ( dev-libs/expat )

taglib?
      ( media-libs/taglib )

!taglib?
      ( media-libs/id3lib )

exif?
      ( media-libs/libexif )

libextractor?
      ( media-libs/libextractor )

ffmpeg?
      ( media-video/ffmpeg )

curl?
      ( net-misc/curl )

sys-apps/file
sys-libs/zlib
virtual/libiconv