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====== Kodi external player ======

I tried hardly to associate **a custom player for some specific contents** on my Kodi installation. While defining an external player and some custom rules to associate it to some contents is definitely possible, I was not able to execute a program that can take control of the graphic screen. See this paragraph about **[[kodi_addon#cannot_execute_a_graphical_external_program|executing a graphical external program]]**.

Neverthless, here are the notes about defining the external player.

===== Ho to define the external player =====

You have to create/customize the file **userdata/playercorefactory.xml**, something like this:

<code xml>
<playercorefactory>
  <players>
    <player name="Photo-Reframe" type="ExternalPlayer" audio="false" video="true">
      <filename>/usr/local/bin/external-player.sh</filename>
      <args>--play --fullscreen --read-only "{0}"</args>
      <hidexbmc>true</hidexbmc>
      <hideconsole>false</hideconsole>
      <warpcursor>none</warpcursor>
    </player>
  </players>
  <rules action="prepend">
    <rule filetypes="m3u" filename=".*playlist.*" player="Photo-Reframe"/>
  </rules>
</playercorefactory>
</code>

Into the **kodi.log** you can read that the player was actually created, but you have to enable the DEBUG logging (Settings => System => Logging => Enable debug logging), otherwise the WARNING message is rather misleading:

<code>
WARNING <general>: CPlayerCoreFactory::GetPlayer(Photo-Reframe): no such player: Photo-Reframe
  DEBUG <general>: CPlayerCoreConfig::<ctor>: created player Photo-Reframe
</code>

Once the external player is loaded, you can select a video and open the context menu; under the **Play using...** item you will find your external player. Notice that the //Play using...// context menu is available only into the standard video interface, it does not appear e.g. from the //Movie// => //Recently added movies// interface.

The external player can be any executable (even a shell script), the process will receive the arguments defined by the **%%<args>%%** element ad some environment variables, e.g.:

<code>
KODI_BIN_HOME='/usr/lib/arm-linux-gnueabihf/kodi'
KODI_HOME='/usr/share/kodi'
LIRC_SOCKET_PATH='/var/run/lirc/lircd'
</code>

===== Use the external player as default =====

With the appropriate values into the **%%<rules>%%** and **%%<rule>%%** elements of ''playercorefactory.xml'', you can make the external player the default one for some specific media. Using the //context menu// => //Play using...// item, you can always confirm that the specified rules were applied because the default player is highlighted with the **(Default)** label appended.

**WARNING**: The **filename** attribute is a regexp applied to the entire item path, so if you intend to match only the file name part (and not the path) you must start the expression with ''%%.*%%'', which means ""any character repeated zero or more times"".

===== Identify a ListItem as video =====

When writing a custom video plugin add-on, I tried to apply a **video external player** to files that are actually playlists of images, i.e. text files with an ''m3u'' extension. From the context menu it was clear that they were now recognized as video files because the //Play using...// item was not present and the default player was not the video player, despite the filename and filetypes attributes were properly specified into the ''playercorefactory.xml'' file. FIXME Use the MimeType property?