<mime-type type="audio/opus">
    <_comment>Ogg Opus Codec Compressed WAV File</_comment>
    <magic priority="60">
      <!-- For a single stream file -->
      <match value="OggS\000.......................OpusHead" type="string"
             mask="0xFFFFFFFF00000000000000000000000000000000000000000000000000FFFFFFFFFFFFFFFF"
             offset="0"/>
    </magic>
    <glob pattern="*.opus"/>