playercorefactory.xml

<playercorefactory>
  <players>
    <player name="VLC" type="ExternalPlayer" audio="true" video="true">
      <filename>/Applications/VLC.app/Contents/MacOS/VLC</filename>
      <args>--rate 2.0 --video-on-top --play-and-exit</args>
      <hidexbmc>true</hidexbmc>
    </player>
  </players>
  <rules action="prepend">
    <rule name="VLC" video="true" player="VLC">
      <rule name="DVD" dvdimage="true" player="videodefaultplayer" />
      <rule name="m2ts" filetypes="m2ts" player="videodefaultplayer" />
    </rule>
  </rules>
</playercorefactory>