<playercorefactory>
 <players>
   <player name="mpv" type="ExternalPlayer" audio="false" video="true">
     <filename>/Applications/mpv.app</filename>
     <args>"{1}" /fullscreen /close</args>
     <hidexbmc>false</hidexbmc>
     <hideconsole>false</hideconsole>
     <warpcursor>none</warpcursor>
   </player>
 </players>
</playercorefactory>