playercorefactory.xml

<player name="MPC-HC" type="ExternalPlayer" audio="false" video="true">
     <filename>C:\Program Files\MPC-HC\mpc-hc.exe</filename>
     <args>"{1}" /fullscreen /play /close</args>
     <hidexbmc>false</hidexbmc>
     <hideconsole>false</hideconsole>
     <warpcursor>topright</warpcursor>
</player>