libav

Description:Complete solution to record, convert and stream audio and video
License: GPL-3, LGPL-2, LGPL-2.1
Homepage:https://libav.org/
Location:Portage
Legend:
  • + - stable
  • ~ - unstable
  • M - hardmask
alpha amd64 arm hppa ia64 m68k mips ppc ppc64 s390 sh sparc x86
9999 diff - - - - - - - - - - - - -
12.2 diff ~ ~ ~ ~ ~ - ~ ~ ~ - - ~ ~
12.1 diff ~ ~ ~ ~ ~ - ~ ~ ~ - - ~ ~
12 diff ~ ~ ~ ~ ~ - ~ ~ ~ - - ~ ~
11.9999 diff - - - - - - - - - - - - -
11.8 diff + + + + + - ~ + + - - + +
11.7 diff ~ ~ ~ ~ ~ - ~ ~ ~ - - ~ ~
11.6 diff ~ ~ ~ ~ ~ - ~ ~ ~ - - ~ ~
11.4 diff ~ ~ ~ ~ ~ - ~ ~ ~ - - ~ ~
11.3-r1 diff ~ ~ ~ ~ ~ - ~ ~ ~ - - ~ ~
11.3 diff + + + + + - ~ + + - - + +
9.17 + + + + + - ~ + + - - + +

USE flags

  • (+)3dnow
  • (+)3dnowext
  • (+)mmx
  • (+)mmxext
  • (+)ssse3
  • 3dnow - Use the 3DNow! instruction set
  • aac - Use external vo-aacenc library for AAC encoding
  • abi_mips_n32 - 64-bit (32-bit pointer) libraries
  • abi_mips_n64 - 64-bit libraries
  • abi_mips_o32 - 32-bit libraries
  • abi_ppc_32 - 32-bit (ppc) libraries
  • abi_ppc_64 - 64-bit (ppc64) libraries
  • abi_s390_32 - 32-bit (s390) libraries
  • abi_s390_64 - 64-bit (s390x) libraries
  • abi_x86_32 - 32-bit (x86) libraries
  • abi_x86_64 - 64-bit (amd64) libraries
  • abi_x86_x32 - x32 ABI libraries
  • alsa - Add support for media-libs/alsa-lib (Advanced Linux Sound Architecture)
  • altivec - Add support for optimizations for G4 and G5/ppc970 processors
  • amr - Enable Adaptive Multi-Rate Audio support
  • armv5te - Enable optimizations for armv5te processors
  • armv6 - Enable optimizations for armv6 processors
  • armv6t2 - Enable optimizations for armv6t2 processors
  • armvfp - Enable VFP optimizations for ARM processors
  • avx2 - Use the AVX2 instruction set
  • bs2b - Enable media-libs/libbs2b based Bauer stereo-to-binaural audio filter
  • bzip2 - Use the bzlib compression library
  • cdio - Enable audio CD grabbing with dev-libs/libcdio.
  • cpu_flags_x86_3dnow - Use the 3DNow! instruction set
  • cpu_flags_x86_3dnowext - Use the Enhanced 3DNow! instruction set
  • cpu_flags_x86_avx - Adds support for Advanced Vector Extensions instructions
  • cpu_flags_x86_avx2 - Adds support for Advanced Vector Extensions 2 instructions
  • cpu_flags_x86_fma3 - Use the Fused Multiply Add 3 instruction set ([fma] in cpuinfo)
  • cpu_flags_x86_fma4 - Use the Fused Multiply Add 4 instruction set
  • cpu_flags_x86_mmx - Use the MMX instruction set
  • cpu_flags_x86_mmxext - Use the Extended MMX instruction set (a subset of SSE) ([mmxext] or [sse] in cpuinfo)
  • cpu_flags_x86_sse - Use the SSE instruction set
  • cpu_flags_x86_sse2 - Use the SSE2 instruction set
  • cpu_flags_x86_sse3 - Use the SSE3 instruction set ([pni] in cpuinfo, NOT ssse3)
  • cpu_flags_x86_sse4_1 - Enable SSE4.1 instruction support
  • cpu_flags_x86_sse4_2 - Enable SSE4.2 instruction support
  • cpu_flags_x86_ssse3 - Use the SSSE3 instruction set (NOT sse3/pni)
  • cpu_flags_x86_xop - Enable the XOP instruction set
  • cpudetection - Enables runtime CPU detection (useful for bindist, compatibility on other CPUs).
  • custom-cflags - Build with user-specified CFLAGS (unsupported)
  • 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
  • doc - Add extra documentation (API, Javadoc, etc). It is recommended to enable per package instead of globally
  • encode - Add support for encoding of audio or video files
  • faac - Use external faac library for AAC encoding
  • fdk - Use external fdk-aac library for AAC encoding and decoding
  • fftools_aviocat - cat's a URL to another one, useful for dumping streams.
  • fftools_cws2fws - converts cws files (Macromedia Flash, compressed) to fws ones (Macromedia Flash, uncompressed).
  • fftools_graph2dot - A tool to convert a libavfilter graph to a dot file.
  • fftools_ismindex - A tool for creating smooth streaming manifests.
  • fftools_pktdumper - Dumps packets as demuxed by libavformat.
  • fftools_qt-faststart - Rearranges a Quicktime file to facilitate network streaming.
  • fftools_trasher - Writes burts of random data into a file. Great for testing error robustness/resilience/concealment.
  • fontconfig - Support for configuring and customizing font access via media-libs/fontconfig
  • frei0r - Enable frei0r wrapping in libavfilter
  • gpl - Build all GPL licensed code. Without this flag set the package is build under LGPL license.
  • gsm - Add support for the gsm lossy speech compression codec
  • hardcoded-tables - Use pre-calculated tables rather than calculating them on the fly.
  • ieee1394 - Enable FireWire/iLink IEEE1394 support (dv, camera, ...)
  • iwmmxt - Add support for optimizations for ARM iwMMXt instructions
  • jack - Add support for the JACK Audio Connection Kit
  • jpeg2k - Support for JPEG 2000, a wavelet-based image compression format
  • libressl - Use dev-libs/libressl as SSL provider (might need ssl USE flag), packages should not depend on this USE flag
  • mmx - Use the MMX instruction set
  • modplug - Add libmodplug support for playing SoundTracker-style music files
  • mp3 - Add support for reading mp3 files
  • neon - Enable optimization support for ARM NEON processors
  • network - Enable network streaming support.
  • nvidia - Enable nvidia video codec hardware acceleration support.
  • openal - Add support for the Open Audio Library
  • openssl - Prefer dev-libs/openssl over net-libs/gnutls to provide SSL/TLS support (notice: the resulting binaries are unredistributable).
  • opus - Use the external opus library for encoding and decoding.
  • oss - Add support for OSS (Open Sound System)
  • pic - Force shared libraries to be built as PIC (this is slower).
  • pulseaudio - Enable pulseaudio input support.
  • rtmp - Enable Real Time Messaging Protocol using librtmp instead the native implementation.
  • 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)
  • speex - Add support for the speex audio codec (used for speech)
  • ssl - Enable SSL/TLS support using dev-libs/openssl or net-libs/gnutls.
  • static-libs - Build static versions of dynamic libraries as well
  • 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
  • threads - Add threads support for various packages. Usually pthreads
  • tools - Build and install small tools like aviocat, cws2fws, graph2dot, ismindex, qt-faststart.
  • truetype - Add support for FreeType and/or FreeType2 fonts
  • twolame - Enable MP2 encoding via media-sound/twolame as an alternative to the internal encoder
  • v4l - Enable support for video4linux (using linux-headers or userspace libv4l libraries)
  • v4l2 - Enable support for video4linux (DEPRECATED: Use USE v4l for your package to enable v4l2 or libv4l support)
  • vaapi - Enable Video Acceleration API for hardware decoding
  • vdpau - Enable the Video Decode and Presentation API for Unix acceleration interface
  • video_cards_nvidia - VIDEO_CARDS setting to build driver for nvidia video cards
  • vis - Adds support for SIMD optimizations for UltraSPARC processors.
  • vorbis - Add support for the OggVorbis audio codec
  • vpx - Enable vp8 encoding support using media-libs/libvpx.
  • wavpack - Add support for wavpack audio compression tools
  • webp - Enable WebP encoding with media-libs/libwebp.
  • X - Add support for X11
  • x264 - Enable h264 encoding using x264
  • x265 - Enable HEVC encoding with media-libs/x265.
  • xvid - Add support for xvid.org's open-source mpeg-4 codec
  • zlib - Add support for zlib (de)compression

Security Advisory

Date Severity Title
5 months normal libav: Multiple vulnerabilities
over 2 years normal Libav: Multiple vulnerabilities
over 3 years normal Libav: Multiple vulnerabilities
almost 5 years normal Libav: Multiple vulnerabilities

Also available in: Atom

Thank you!