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

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
  <herd>video</herd>
  <use>
    <flag name='aacs'>Add support for decryption of AACS</flag>
    <flag name='bdplus'>Use <pkg>media-libs/libbdplus</pkg> for BD+ decryption</flag>
    <flag name='java'>Add support for BD-J</flag>
	<flag name='udf'>Add UDF (Universal Disk Format) support</flag>
    <flag name='utils'>Install command-line utilities and examples</flag>
  </use>
</pkgmetadata>