media-video/ffmpeg/metadata.xml


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<?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="amr">Enables Adaptive Multi-Rate Audio support</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="faad">Use external faad library for AAC decoding (instead of internal libavcodec support)</flag>
    <flag name="hardcoded-tables">Use pre-calculated tables rather than calculating them on the fly.</flag>
    <flag name="mmxext">Enables mmx2 support</flag>
    <flag name="network">Enables network streaming support</flag>
    <flag name="pic">Force shared libraries to be built as PIC (this is slower)</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 to offload CPU processing to video card</flag>
  </use>
</pkgmetadata>