HTPC flatpak and Media Keys support

Plex Players Desktop Players
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Player Version#: tv.plex.PlexHTPC 1.31.1

When I press the play/pause or forward/back media keys I expect HTPC to recognize this but nothing happens. Instead, a Gnome overlay appears showing it does not recognize any media that needs to be paused/unpaused/skipped/etc. There are no other programs running.

My limited understanding is that gnome & kde both support media keys using mpris and plex htpc doesn’t support this. Though it does use mpv and there is a mpv-mpris plugin here GitHub - hoyon/mpv-mpris: MPRIS plugin for mpv. I was actually able to get this running in the flatpak by doing the following:

  1. Copy the mpris.so file to ~/.var/app/tv.plex.PlexHTPC/data/plex/
  2. Create a file ~/.var/app/tv.plex.PlexHTPC/data/plex/mpv.conf with:
    script=/var/data/plex/mpris.so
  3. Give the flatpak permission to use org.mpris.MediaPlayer2.mpv.*:
    $ sudo flatpak override --own-name='org.mpris.MediaPlayer2.mpv.*' tv.plex.PlexHTPC

After restarting the flatpak it now recognizes the play/pause button, but it does not react to the forward or back buttons.

Perhaps I need to create a ~/.var/app/tv.plex.PlexHTPC/data/plex/input.conf file with entries for these buttons but I am not sure how that would look.

Has anyone made this work? Media keys support seems like a pretty basic feature and it is a shame it is missing out of the box, at least for the flatpak.

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We need to implement mpris in the app itself. It’s on our list of things to do but I don’t have a time-frame for it.

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