gentoo-overlay/media-sound/abcde/metadata.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
<pkgmetadata>
	<herd>sound</herd>
	<use>
		<flag name='id3tag'>Support ID3, ID3v2 tagging of audio files</flag>
		<flag name='mac'>Enable support for Monkey's Audio files</flag>
		<flag name='normalize'>Add support for normalizing audio file volume levels</flag>
		<flag name='opus'>Support opus encoding using opusenc</flag>
		<flag name='replaygain'>Support for Replay Gain metadata, for relative volume adjustment</flag>
	</use>
</pkgmetadata>