VLC uses

$ emerge -av vlc
This action requires superuser access...
Would you like to add --pretend to options? [Yes/No]

These are the packages that would be merged, in order:

Calculating dependencies... done!
[ebuild   R   ~] media-video/vlc-2.0.3  USE="X a52 aac aalib alsa avahi avcodec avformat bluray cdda dbus directfb dts dvb dvbpsi dvd encode ffmpeg flac fontconfig gcrypt gnome gnutls ieee1394 libass libnotify lirc live lua matroska modplug mp3 mpeg ncurses ogg opengl oss png postproc pulseaudio qt4 samba sdl sdl-image sqlite sse svg swscale theora truetype udev v4l vorbis win32codecs x264 xcb xml xosd xv (-altivec) -atmo (-audioqueue) -bidi -cddb -dc1394 -debug -dirac (-direct2d) (-directx) (-dshow) (-dxva2) -egl -fbosd -fluidsynth -gme -growl -httpd (-ios-vout) -jack -kate -kde -libcaca -libproxy -libsamplerate -libtar -libtiger -linsys (-macosx) (-macosx-audio) (-macosx-dialog-provider) (-macosx-eyetv) (-macosx-qtkit) (-macosx-quartztext) (-macosx-vout) (-media-library) -mmx -mtp -musepack (-neon) -omxil -optimisememory -portaudio -projectm -pvr -rtsp -run-as-root -schroedinger -shine -shout -sid -skins -speex -switcher -taglib -twolame -upnp -vaapi -vcdx -vlm (-waveout) (-wingdi) -wma-fixed -zvbi" 0 kB

Total: 1 package (1 reinstall), Size of downloads: 0 kB