mplayer2

$ equery list mplayer2
 * Searching for mplayer2 ...
[IP-] [  ] media-video/mplayer2-2.0_p20120309:0

$ equery -q uses '=media-video/mplayer2-2.0_p20120309' | tr "\\n" " "
-3dnow -3dnowext +X +a52 -aalib +alsa -bidi -bindist -bl -bluray -bs2b -cddb +cdio -cdparanoia -cpudetection -custom-cpuopts -debug -directfb -doc +dts +dv -dvb +dvd +dvdnav -dxr3 +enca +faad -fbcon -ftp -ggi +gif +iconv +ipv6 -jack -joystick +jpeg -ladspa +libass -libcaca -lirc +mad -md5sum +mmx -mmxext +mng +mp3 -nas +network -nut +opengl -oss +png -pnm -pulseaudio -pvr +quicktime -radio +rar -real +rtc -samba +sdl +shm +speex +sse +sse2 -ssse3 -symlink -tga +theora +truetype +unicode -v4l -vdpau -video_cards_mga -video_cards_s3virge -video_cards_tdfx -video_cards_vesa +vorbis -xanim -xinerama +xscreensaver +xv +xvid