playercorefactory.xml

<playercorefactory>
    <players>
        <player name="VLC" type="ExternalPlayer" audio="false" video="true">
            <filename>/usr/bin/vlc</filename>
            <args>"{1}"</args>
            <hidexbmc>false</hidexbmc>
            <hideconsole>false</hideconsole>
            <warpcursor>topleft</warpcursor>
            <playcountminimumtime>300</playcountminimumtime>
        </player>
    </players>

    <rules action="prepend">
        <rule name="VLC" filetypes="avi|mpg" player="VLC"/>
    </rules>
</playercorefactory>