$ equery u vlc
[ Legend : U - final flag setting for installation]
[        : I - package is installed with flag     ]
[ Colors : set, unset                             ]
 * Found these USE flags for media-video/vlc-2.2.8-r1:
 U I
 + + X                 : Enable support for, e.g., fullscreen mode via the X Window System. By
                         itself, this flag does not build a graphical interface
 + + a52               : Enable support for decoding ATSC A/52 streams used in DVD
 - - aalib             : Add support for media-libs/aalib (ASCII-Graphics Library)
 + + alsa              : Add support for media-libs/alsa-lib (Advanced Linux Sound Architecture)
 - - atmo              : Enable support for AtmoLight (homebrew Ambient Lighting Technology)
 - - audioqueue        : Enable AudioQueue audio module for Mac OS X
 + + avcodec           : Enable libavcodec support for video/audio encoding/decoding. libavcodec is
                         part of FFmpeg
 + + avformat          : Enable libformat support for reading and writing various media containers.
                         libavformat is part of FFmpeg
 - - bidi              : Enable bidirectional language support
 - - bluray            : Enable libbluray for Blu-ray disc support
 + + cdda              : Add Compact Disk Digital Audio (Standard Audio CD) support
 + + cddb              : Access cddb servers to retrieve and submit information about compact disks
 - - chromaprint       : Enable libchromaprint for Chromaprint based audio fingerprinter support
 + + cpu_flags_x86_mmx : Use the MMX instruction set
 + + cpu_flags_x86_sse : Use the SSE instruction set
 + + dbus              : Enable dbus support for anything that needs it (gpsd, gnomemeeting, etc)
 - - dc1394            : Enable IIDC cameras support
 - - debug             : Enable extra debug codepaths, like asserts and extra output. If you want
                         to get meaningful backtraces see
                         https://wiki.gentoo.org/wiki/Project:Quality_Assurance/Backtraces
 - - dts               : Enable DTS Coherent Acoustics decoder support
 - - dvb               : Add support for DVB (Digital Video Broadcasting)
 + + dvbpsi            : Enable support for Mpeg-TS files (.ts, .m2ts, .mts) via
                         media-libs/libdvbpsi
 + + dvd               : Add support for DVDs
 + + encode            : Enable streaming-output support and videolan manager to control multiple
                         streams from within one instance
 - - faad              : Enable AAC audio decoding library support via media-libs/faad2
 - - fdk               : Enable the Fraunhofer AAC codec library
 + + ffmpeg            : Enable ffmpeg/libav-based audio/video codec support
 + + flac              : Add support for FLAC: Free Lossless Audio Codec
 - - fluidsynth        : Enable Fluidsynth MIDI software synthesis (with external sound fonts)
 - - fontconfig        : Support for configuring and customizing font access via
                         media-libs/fontconfig
 + + gcrypt            : Enable cryptography support via libgcrypt
 - - gme               : Enable support for media-libs/game-music-emu for playing various video
                         game music formats
 - - gnome             : Adds support for GNOME's filesystem abstraction layer,
                         gnome-base/gnome-vfs. This flag is not GUI-related
 - - gnutls            : Prefer net-libs/gnutls as SSL/TLS provider (ineffective with USE=-ssl)
 - - growl             : Enable growl notification support (over UDP for remote access and native
                         on OSX)
 + + gstreamer         : Enable GStreamer based decoding support (currently supports only video
                         decoding)
 - - httpd             : Enable a web based interface for vlc
 + + ieee1394          : Enable FireWire/iLink IEEE1394 support (dv, camera, ...)
 - - jack              : Add support for the JACK Audio Connection Kit
 + + jpeg              : Add JPEG image support
 - - kate              : Adds support for Ogg Kate subtitles via libkate
 + + libass            : SRT/SSA/ASS (SubRip / SubStation Alpha) subtitle support
 - - libav             : Prefer libav over ffmpeg whenever both are supported
 - - libcaca           : Add support for colored ASCII-art graphics
 + + libnotify         : Enable desktop notification support
 + + libsamplerate     : Build with support for converting sample rates using libsamplerate
 - - libtar            : Uses libtar instead of the built-in tar reader for reading custom skins
 - - libtiger          : Enable Ogg Kate subtitles rendering using libtiger
 - - linsys            : Enable support for Linux Linear Systems Ltd. SDI and HD-SDI input cards
 - - lirc              : Add support for lirc (Linux's Infra-Red Remote Control)
 - - live              : Enable live555 streaming media support (client support for rtsp)
 - - lua               : Enable Lua scripting support, needed for including support for Jamendo
                         (online music platform) and similar things
 + + matroska          : Enable matroska support using reference libraries (fallback on other
                         existing matroska support if disabled, i.e., matroska enabled FFmpeg)
 + + modplug           : Add libmodplug support for playing SoundTracker-style music files
 + + mp3               : Add support for reading mp3 files
 + + mpeg              : Add libmpeg2 support for mpeg-1 and mpeg-2 video streams
 - - mtp               : Enable support for Media Transfer Protocol
 + + musepack          : Enable support for the musepack audio codec
 + + ncurses           : Add ncurses support (console display library)
 + + ogg               : Add support for the Ogg container format (commonly used by Vorbis, Theora
                         and flac)
 - - omxil             : Enable OpenMAX Integration Layer codec module
 - - opencv            : Enable OpenCV (computer vision) filter module
 + + opengl            : Add support for OpenGL (3D graphics)
 + + optimisememory    : Enable optimisation for memory rather than performance
 + + opus              : Support opus decoding via libopus
 + + png               : Add support for libpng (PNG images)
 + + postproc          : Enable image post-processing via libpostproc (part of FFmpeg)
 - - projectm          : Enable the projectM visualization plugin
 + + pulseaudio        : Add support for PulseAudio sound server
 + + qt5               : Add support for the Qt 5 application and UI framework
 - - rdp               : Enables RDP/Remote Desktop support
 - - rtsp              : Enable real audio and RTSP modules
 - - run-as-root       : Allows vlc to start for root. Don't enable this unless you have a very
                         specific (e.g. embedded) need for it!
 + + samba             : Add support for SAMBA (Windows File and Printer sharing)
 - - schroedinger      : Enable Dirac video support (an advanced royalty-free video compression
                         format) via libschroedinger (high-speed implementation in C of the Dirac
                         codec)
 + + sdl               : Add support for Simple Direct Layer (media library)
 - - sdl-image         : Enable sdl image video decoder (depends on sdl)
 - - sftp              : Enable libssh2 to support SFTP file transfer
 - - shout             : Enable libshout output
 - - sid               : Adds support for playing C64 SID files through media-libs/libsidplay:2
 - - skins             : Enable support for the skins2 interface
 + + speex             : Add support for the speex audio codec (used for speech)
 + + svg               : Add support for SVG (Scalable Vector Graphics)
 + + swscale           : Enable image scaling and conversion via libswscale (part of FFmpeg)
 + + taglib            : Enable tagging support with taglib
 - - test              : Workaround to pull in packages needed to run with FEATURES=test.
                         Portage-2.1.2 handles this internally, so don't set it in
                         make.conf/package.use anymore
 + + theora            : Add support for the Theora Video Compression Codec
 - - tremor            : Enable tremor, a fixed-point version of the Ogg Vorbis decoder
 + + truetype          : Add support for FreeType and/or FreeType2 fonts
 - - twolame           : Enable twolame support (MPEG Audio Layer 2 encoder)
 + + udev              : Enable virtual/udev integration (device discovery, power and storage
                         device support, etc)
 + + upnp              : Enable support for the Intel SDK stack based UPnP discovery module instead
                         of CyberLink
 + + v4l               : Enable support for video4linux (using linux-headers or userspace libv4l
                         libraries)
 + + vaapi             : Enable Video Acceleration API for hardware decoding
 - - vcdx              : Enable VCD with navigation via libvcdinfo (depends on cdio)
 + + vdpau             : Enable the Video Decode and Presentation API for Unix acceleration
                         interface
 - - vlm               : New videolan (media) manager (vlm), a little manager designed to launch
                         and manage multiple streams from within one instance of VLC
 + + vnc               : Enable VNC (remote desktop viewer) support
 + + vorbis            : Add support for the OggVorbis audio codec
 + + vpx               : Enable the decoder(s) from the WebM VP8 / VP9 Codec SDK
 - - wma-fixed         : Enable fixed point WMA decoder
 + + x264              : Enable h264 encoding using x264
 + + x265              : Support X265 Encoder
 + + xcb               : Support the X C-language Binding, a replacement for Xlib; !!! you will
                         need this option to be able to integrate video in the Qt interface, see
                         bug #500678
 + + xml               : Add support for XML files
 + + xv                : Add in optional support for the Xvideo extension (an X API for video
                         playback)
 - - zeroconf          : Enable support for zero-configuration networking via avahi
 - - zvbi              : Enable support for teletext subtitles via the zvbi library

Kernel: 4.14.19-calculate x86_64 bits: 64 Desktop: Xfce 4.12.4
Distro: Calculate Linux Desktop 17.12.2 Xfce