<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd"> <pkgmetadata> <herd>video</herd> <maintainer> <email>media-video@gentoo.org</email> </maintainer> <use> <flag name="3dnowext"> Enable manually-optimised routines using the AMD 3DNow!Ex SIMD instruction set, present in modern AMD CPUs. (Check for 3dnowext in /proc/cpuinfo to know whether your CPU supports it). </flag> <flag name="ass">Enables <pkg>media-libs/libass</pkg> based subtitle renderer.</flag> <flag name="aacplus">AAC+ encoding via <pkg>media-libs/libaacplus</pkg>.</flag> <flag name="amr">Enables Adaptive Multi-Rate Audio support</flag> <flag name="avconv">Build and install avconv, an alternative command line tool to ffmpeg from <pkg>media-video/libav</pkg>.</flag> <flag name="avx">Adds support for Advanced Vector Extensions instructions (Intel Sandy Bridge, AMD Bulldozer and later chips)</flag> <flag name="cdio">Enables audio CD grabbing with <pkg>dev-libs/libcdio</pkg>.</flag> <flag name="celt">Adds Xiph CELT audio decoding support via <pkg>media-libs/celt</pkg></flag> <flag name="cpudetection">Enables runtime CPU detection (useful for bindist, compatibility on other CPUs)</flag> <flag name="dirac">Enable Dirac video support (an advanced royalty-free video compression format) via the reference library: dirac.</flag> <flag name="faac">Use external faac library for AAC encoding</flag> <flag name="frei0r">Enable frei0r wrapping in libavfilter</flag> <flag name="hardcoded-tables">Use pre-calculated tables rather than calculating them on the fly.</flag> <flag name="libv4l">Uses <pkg>media-libs/libv4l</pkg> for video4linux instead of direct calls. Adds support for more devices via the userspace library.</flag> <flag name="mmxext">Enables mmx2 support</flag> <flag name="network">Enables network streaming support</flag> <flag name="openssl">Enables <pkg>dev-libs/openssl</pkg> support. Adds support for encrypted network protocols (TLS/HTTPS).</flag> <flag name="pic">Force shared libraries to be built as PIC (this is slower)</flag> <flag name="qt-faststart">Build and install qt-faststart application</flag> <flag name="rtmp">Enable Real Time Messaging Protocol using librtmp</flag> <flag name="schroedinger">Enable Dirac video support (an advanced royalty-free video compression format) via libschroedinger (high-speed implementation in C of the Dirac codec).</flag> <flag name="ssse3">faster floating point optimization for SSSE3 capable chips (Intel Core 2 and later chips)</flag> <flag name="vaapi">Enables VAAPI (Video Acceleration API) for hardware decoding</flag> <flag name="vdpau">Enables VDPAU decoders (requires nVidia video cards and binary nvidia-drivers to offload CPU processing to video card)</flag> <flag name="vis"> Adds support for SIMD optimizations for UltraSPARC processors.</flag> <flag name="vpx">Enables vp8 codec support using libvpx: Decoding vp8 does not require this to be enabled but libvpx can also be used for decoding; encoding vp8 requires this useflag to be enabled though.</flag> </use> </pkgmetadata>