gentoo-overlay/media-libs/x264/metadata.xml

<?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="10bit">Set output bit depth to 10, this may not be compatible with all decoders</flag>
    <flag name="interlaced">enable interlaced encoding support, this can decrease encoding speed by up to 2%</flag>
	<flag name="opencl">Add support for OpenCL.</flag>
    <flag name="pic">disable optimized assembly code that is not PIC friendly</flag>
  </use>
</pkgmetadata>