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# Please add your descriptions to your package's metadata.xml ONLY.
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dev-cpp/belr:tools - Build tools
dev-libs/belcard:tools - Build tools
dev-libs/qcoro:asan - Build Address Sanitizer runtime
dev-libs/qcoro:network - Enable network support
dev-libs/qcoro:shared - Build shared libraries
dev-python/drf-yasg:validation - Automatic validation by swagger-spec-validator
dev-python/dublintraceroute:analysis - Additional analysis functionality, uses dev-python/pandas and dev-python/matplotlib
dev-python/elasticsearch-py:async - Add async support
dev-python/matrix-nio:e2e - Enable matrix end-to-end encryption
gemini-client/lagrange:fribidi - Use dev-libs/fribidi for bidirectional text
gemini-client/lagrange:harfbuzz - Use media-libs/harfbuzz to shape text
media-libs/mediastreamer2:bv16 - Support for BroadVoice 16 kbs codec via media-libs/bv16-floatingpoint
media-libs/mediastreamer2:g726 - Support for SpanDSP codec via media-libs/spandsp
media-libs/mediastreamer2:g729 - Support for ITU G729 Annex A/B speech codec via media-libs/bcg729
media-libs/mediastreamer2:pcap - Support for network packet capture via net-libs/libpcap
media-libs/mediastreamer2:qrcode - Support for QR code via media-libs/zxing-cpp
media-libs/mediastreamer2:resample - Enable resampling capability
media-libs/mediastreamer2:srtp - Support for Secure Real-time Transport Protocol (SRTP) via net-libs/libsrtp
media-libs/mediastreamer2:tools - Build tools
media-libs/mediastreamer2:vpx - Support for VPX codec via media-libs/libvpx
media-libs/mediastreamer2:zrtp - Support for Media Path Key Agreement for Unicast Secure RTP via net-libs/bzrtp
media-video/jellyfin-ffmpeg:amf - Enables support for AMD's Advanced Media Framework (AMF)
media-video/jellyfin-ffmpeg:amr - Enables Adaptive Multi-Rate Audio support
media-video/jellyfin-ffmpeg:amrenc - Enables Adaptive Multi-Rate Audio encoding support with media-libs/vo-amrwbenc.
media-video/jellyfin-ffmpeg:appkit - Enables Apple AppKit framework
media-video/jellyfin-ffmpeg:bluray - Enable playback of Blu-ray filesystems
media-video/jellyfin-ffmpeg:bs2b - Enables media-libs/libbs2b based Bauer stereo-to-binaural filter.
media-video/jellyfin-ffmpeg:cdio - Enables audio CD grabbing with dev-libs/libcdio.
media-video/jellyfin-ffmpeg:chromaprint - Enables audio fingerprinting support with media-libs/chromaprint.
media-video/jellyfin-ffmpeg:chromium - Builds libffmpeg.so to enable media playback in Chromium-based browsers like Opera and Vivaldi.
media-video/jellyfin-ffmpeg:codec2 - Enables codec2 low bit rate speech codec support via media-libs/codec2.
media-video/jellyfin-ffmpeg:cpudetection - Enables runtime CPU detection (useful for bindist, compatibility on other CPUs)
media-video/jellyfin-ffmpeg:cuda - Enables CUDA-based acceleration. Mostly used for specific filters.
media-video/jellyfin-ffmpeg:dav1d - Enables AV1 decoding via media-libs/dav1d.
media-video/jellyfin-ffmpeg:fdk - Use external fdk-aac library for AAC encoding
media-video/jellyfin-ffmpeg:flite - Adds a text-to-speech filter based on app-accessibility/flite.
media-video/jellyfin-ffmpeg:frei0r - Enable frei0r wrapping in libavfilter
media-video/jellyfin-ffmpeg:fribidi - Enables fribidi support in the drawtext filter.
media-video/jellyfin-ffmpeg:gcrypt - Enables gcrypt support: Needed for rtmp(t)e support if openssl, librtmp or gmp is not used.
media-video/jellyfin-ffmpeg:gme - Enables support for media-libs/game-music-emu for playing various video game music formats.
media-video/jellyfin-ffmpeg:gpl - Build GPL code. Should be enabled unless you require LGPL binaries.
media-video/jellyfin-ffmpeg:hardcoded-tables - Use pre-calculated tables rather than calculating them on the fly. It results in an increase of approximately 15% in the size of libavcodec, the main library impacted by this change. It enables savings in table generation time, done once at codec initialization, since by hardcoding the tables, they do not need to be computed at runtime. However, the savings are often negligible (~100k cycles is a typical number) especially when amortized over the entire encoding/decoding operation. Improvements are being made to the runtime initialization, and so over time, this option will have an impact on fewer and fewer codecs.
media-video/jellyfin-ffmpeg:iec61883 - Support for FireWire DV/HDV input device using media-libs/libiec61883.
media-video/jellyfin-ffmpeg:jpegxl - Enable JPEG XL de/encoding via media-libs/libjxl.
media-video/jellyfin-ffmpeg:kvazaar - Enables media-libs/kvazaar based HEVC encoder.
media-video/jellyfin-ffmpeg:lcms - Enable ICC profile support via media-libs/lcms.
media-video/jellyfin-ffmpeg:libaom - Enables media-libs/libaom based AV1 codec support.
media-video/jellyfin-ffmpeg:libaribb24 - Enables ARIB text and caption decoding via media-libs/aribb24.
media-video/jellyfin-ffmpeg:libdrm - Enables x11-libs/libdrm support for better screen grabbing and hardware accelerated codecs.
media-video/jellyfin-ffmpeg:libilbc - Enables iLBC de/encoding via media-libs/libilbc.
media-video/jellyfin-ffmpeg:libplacebo - Adds flexible GPU-accelerated processing filter based on media-libs/libplacebo.
media-video/jellyfin-ffmpeg:librtmp - Enables Real Time Messaging Protocol using librtmp (media-video/rtmpdump) in addition to FFmpeg's native implementation.
media-video/jellyfin-ffmpeg:libsoxr - Enables audio resampling through media-libs/soxr.
media-video/jellyfin-ffmpeg:libtesseract - Enables the OCR filter via app-text/tesseract.
media-video/jellyfin-ffmpeg:libv4l - Uses media-libs/libv4l for video4linux instead of direct calls. Adds support for more devices via the userspace library.
media-video/jellyfin-ffmpeg:libxml2 - Uses dev-libs/libxml2 to enable dash demuxing support.
media-video/jellyfin-ffmpeg:lv2 - Enables lv2 audio filter wrapper.
media-video/jellyfin-ffmpeg:mipsdspr1 - Enables MIPS DSP ASE R1 optimizations.
media-video/jellyfin-ffmpeg:mipsdspr2 - Enables MIPS DSP ASE R2 optimizations.
media-video/jellyfin-ffmpeg:mipsfpu - Enables floating point MIPS optimizations.
media-video/jellyfin-ffmpeg:mmal - Enables Multi-Media Abstraction Layer (MMAL) decoding support: Available e.g. on the Raspberry Pi.
media-video/jellyfin-ffmpeg:network - Enables network streaming support
media-video/jellyfin-ffmpeg:opencl - Enable OpenCL support
media-video/jellyfin-ffmpeg:openh264 - Enables H.264 encoding suppoprt via media-libs/openh264.
media-video/jellyfin-ffmpeg:openssl - Enables dev-libs/openssl support. Adds support for encrypted network protocols (TLS/HTTPS).
media-video/jellyfin-ffmpeg:pic - Force shared libraries to be built as PIC (this is slower)
media-video/jellyfin-ffmpeg:postproc - Build and install libpostproc.
media-video/jellyfin-ffmpeg:qsv - Enable Intel Quick Sync Video via media-libs/intel-mediasdk (ffmpeg versions older than, and including, 5.1) or media-libs/oneVPL (ffmpeg version newer than 5.1).
media-video/jellyfin-ffmpeg:rav1e - Enables AV1 encoding support via media-video/rav1e.
media-video/jellyfin-ffmpeg:rubberband - Adds time-stretching and pitch-shifting audio filter based on media-libs/rubberband.
media-video/jellyfin-ffmpeg:snappy - Enable app-arch/snappy support. Required for e.g. Vidvox Hap encoder.
media-video/jellyfin-ffmpeg:sndio - Enable support for the media-sound/sndio backend
media-video/jellyfin-ffmpeg:srt - Enable support for Secure Reliable Transport (SRT) via net-libs/srt
media-video/jellyfin-ffmpeg:ssh - Enable SSH/sftp support via net-libs/libssh.
media-video/jellyfin-ffmpeg:svt-av1 - Enables AV1 encoding support via media-libs/svt-av1.
media-video/jellyfin-ffmpeg:twolame - Enables MP2 encoding via media-sound/twolame as an alternative to the internal encoder.
media-video/jellyfin-ffmpeg:vidstab - Enables video stabilization filter using vid.stab library (media-libs/vidstab).
media-video/jellyfin-ffmpeg:vmaf - Enables Netflix's perceptual video quality assessment filter using the library (media-libs/libvmaf).
media-video/jellyfin-ffmpeg:vpx - Enables VP8 and VP9 codec support using libvpx: Decoding does not require this to be enabled but libvpx can also be used for decoding; encoding requires this useflag to be enabled though.
media-video/jellyfin-ffmpeg:vulkan - Enables support for the vulkan API for GPU offload.
media-video/jellyfin-ffmpeg:x265 - Enables HEVC encoding with media-libs/x265.
media-video/jellyfin-ffmpeg:zeromq - Enables net-libs/zeromq support with the zmq/azmq filters.
media-video/jellyfin-ffmpeg:zimg - Enables media-libs/zimg based scale filter.
media-video/jellyfin-ffmpeg:zvbi - Enables media-libs/zvbi based teletext decoder.
net-analyzer/AS-Stats:as-stats-gui - Use the improved webUI
net-analyzer/AS-Stats:ip2as - Use the perl module ip2as.pm
net-analyzer/mtr:ipinfo - Disable support for IP address lookups
net-analyzer/mtr:jansson - Enable JSON output support through dev-libs/jansson
net-analyzer/smokeping:dig - Install net-dns/bind-tools for dig functionality
net-analyzer/smokeping:echoping - Install net-analyzer/echoping for echoping functionality
net-dialup/freeradius:memcached - Include dev-libs/libmemcached in caching drivers
net-dialup/freeradius:mongodb - Include support for MongoDB database
net-dialup/freeradius:pcap - Build the RADIUS sniffer which requires net-libs/libpcap.
net-dialup/freeradius:redis - Include support for Redis database
net-dialup/freeradius:rest - Include support for sending and receiving HTTP requests
net-dialup/freeradius-client:scp - Add service type hints derived from username prefix
net-dialup/freeradius-client:shadow - Enable shadow password support
net-dialup/ppp:activefilter - Enables active filter support
net-dialup/ppp:dhcp - Installs PPP DHCP client plugin for IP address allocation by a DHCP server (see http://www.netservers.co.uk/gpl/)
net-dialup/ppp:eap-tls - Enables support for Extensible Authentication Protocol and Transport Level Security (see http://www.nikhef.nl/~janjust/ppp/index.html)
net-dialup/ppp:gtk - Installs GTK+ password prompting program that can be used by passprompt.so PPP plugin for reading the password from a X11 input terminal
net-dialup/ppp:radius - Enables RADIUS support
net-dns/flamethrower:doh - Build DNS-over-HTTPS support
net-firewall/ipt_netflow:dot1d - Enable bridge support (to override interfaces)
net-firewall/ipt_netflow:dot1q - Enable tagged VLAN support
net-firewall/ipt_netflow:natevents - Netflow NAT translation events (NEL) support
net-im/Quaternion:keychain - Enable support for password storage via dev-libs/qtkeychain
net-im/gomuks:encryption - End-to-end encryption support with dev-libs/olm
net-im/profanity:gpg - Enable OpenPGP encryption
net-im/profanity:omemo - Enable OMEMO encryption
net-im/profanity:otr - Enable encrypted conversations using Off-The-Records messaging
net-libs/ortp:ntp-timestamp - Turn on NTP timestamping on received packet
net-misc/bird:bmp - Compile with BMP support (alpha support, not prod ready)
net-misc/bird:client - Build the ncurses/readline full featured CLI
net-misc/bird:libssh - Enables net-libs/libssh binding, mendatory for RPKI support
net-misc/frr:fpm - Enable Forwarding Plane Manager support
net-misc/frr:grpc - Enable gRPC plugin
net-misc/frr:nhrp - Build Next Hop Resolution Protocol daemon
net-misc/frr:ospfapi - Build OSPFAPI support
net-misc/frr:pam - Add support for PAM (via sys-libs/pam) to the Virtual Terminal Interface Shell (vtysh)
net-misc/frr:rpki - Enable RPKI
net-misc/openssh:X509 - Adds support for X.509 certificate authentication
net-misc/openssh:hpn - Enable high performance ssh
net-misc/openssh:ldns - Use LDNS for DNSSEC/SSHFP validation.
net-misc/openssh:livecd - Enable root password logins for live-cd environment.
net-misc/openssh:scp - Enable scp command with known security problems. See bug 733802
net-misc/openssh:security-key - Include builtin U2F/FIDO support
net-misc/openssh:ssl - Enable additional crypto algorithms via OpenSSL
net-misc/openssh:xmss - Enable XMSS post-quantum authentication algorithm
net-misc/routinator:rta - Enables the command rta for validating Resource Tagged Assertions as described in draft-michaelson-rpki-rta
net-voip/twinkle:g729 - Add support for the G.729A audio codec
www-apps/converse-js:omemo - Enable OMEMO encryption with www-apps/libsignal-protocol-javascript.
www-apps/tt-rss:daemon - Install additional init scripts for automated RSS updates
x11-libs/vte:icu - Enable legacy charset support using dev-libs/icu
x11-libs/vte:mouse - Enable mouse support.
x11-libs/vte:systemd - Support moving terminal child processes to their own systemd user scopes to avoid terminal getting killed due to child causing OOM
x11-terms/rxvt-unicode:24-bit-color - Enable 24-bit color support. Note that this feature is unofficial, may cause visual glitches due to the fact there is no termcap/terminfo definition for rxvt-unicode-24bit yet so it is necessary to use the one for 256 colours, visibly increases memory usage, and might slow urxvt down dramatically when more than six fonts are in use in a terminal instance.
x11-terms/rxvt-unicode:256-color - Enable 256 color support
x11-terms/rxvt-unicode:blink - Enable blinking text
x11-terms/rxvt-unicode:fading-colors - Enable colors fading when off focus
x11-terms/rxvt-unicode:font-styles - Enable support for bold and italic fonts
x11-terms/rxvt-unicode:gdk-pixbuf - Enable transparency support using x11-libs/gdk-pixbuf
x11-terms/rxvt-unicode:iso14755 - Enable ISO-14755 support
x11-terms/rxvt-unicode:mouse - Enable mouse support
x11-terms/rxvt-unicode:mousewheel - Enable scrolling via mouse wheel or buttons 4 and 5
x11-terms/rxvt-unicode:perl - Enable perl script support. You can still disable this at runtime with -pe ""
x11-terms/rxvt-unicode:sgrmouse - Enable unofficial support for the xterm SGR 1006 mouse-tracking extension. Needed to properly support mouse events for terminals with more than 223 rows or columns, in applications not supporting the urxvt 1015 extension.
x11-terms/rxvt-unicode:unicode3 - Use 21 instead of 16 bits to represent unicode characters
x11-terms/rxvt-unicode:utmp - Enable utmp support
x11-terms/rxvt-unicode:wtmp - Enable wtmp support