Screensharing on Wayland/Sway/Niri

Help
1

I’ve been able to use screen sharing on wayland before and recently it just hasn’t been working when trying on Discord (via vesktop) and even Teams via a browser (librewolf). I had both of these working before.

Here’s my configuration for screensharing:

{pkgs, ...}: {
  xdg = {
    portal = {
      enable = true;
      wlr.enable = true;
      extraPortals = [
        pkgs.xdg-desktop-portal-gtk
      ];
    };
  };
  security.rtkit.enable = true;
  services.pipewire = {
    enable = true;
    pulse.enable = true;
    alsa.enable = true;
    alsa.support32Bit = true;
    # jack.enable = true;
    # media-session.enable = true;
  };
}

I can’t seem to even find the xdg-desktop-portal-wlr.service or any portal-related services.

Anyone know what is going on?

1 Like
2

Okay, so I can find the xdg-desktop-portal-*.services, they are just run as user services and I wasn’t passing --user to systemctl, oops.

Not showing much useful information though. I reckon I’m missing a picker for the display maybe?

3

Okay, I think I’ve mostly resolved this on my own with the following:

{pkgs, ...}: {
  xdg = {
    portal = {
      enable = true;
      wlr = {
        enable = true;
        settings = {
          screencast = {
            chooser_type = "simple";
            chooser_cmd = "${pkgs.slurp}/bin/slurp -f 'Monitor: %o' -or";
          };
        };
      };
      extraPortals = [
        pkgs.xdg-desktop-portal-gtk
      ];
    };
  };
  security.rtkit.enable = true;
  services.pipewire = {
    enable = true;
    pulse.enable = true;
    alsa.enable = true;
    alsa.support32Bit = true;
    # jack.enable = true;
    # media-session.enable = true;
  };
}

But I think vesktop is still not having it. OBS is working though.

4

Those settings might not work for every Wayland compositor. Have you seen what programs.niri does?

1 Like
5

Having a similar issue, one thing was missing window/monitor picker, I’m using this to choose even single window/app:
chooser_type = “dmenu”;
chooser_cmd = “${pkgs.bemenu}/bin/bemenu --center -p "Share window:" -i -B 3”;

Right now I’m trying to figure it out why screensharing in Teams in Firefox does not work for me. Well, it does but It hangs on first image :slight_smile: . It started happen to me maybe month ago. I did not have a chance to figure out what happen.

According to nixpkgs/nixos/modules/programs/wayland/sway.nix at a0374025a863d007d98e3297f6aa46cc3141c2f0 · NixOS/nixpkgs · GitHub do’ not you need xdg-desktop-portal-wlr as well?

6

Right now I’m trying to figure it out why screensharing in Teams in Firefox does not work for me. Well, it does but It hangs on first image :slight_smile: . It started happen to me maybe month ago. I did not have a chance to figure out what happen.

I’ve just finish bisecting of nixpkgs and it was caused by wlr portal - ac2639c1f827b2ff76b471dfbfcc715842989793.

Downgrading version back to original version resolved issue for me, you can try the same.

  nixpkgs.overlays = [
    (final: prev: {
      xdg-desktop-portal-wlr = prev.xdg-desktop-portal-wlr.overrideAttrs (oldAttrs: {
        version = "0.8.2";
        src = oldAttrs.src.override {
          rev = "v0.8.2";
          sha256 = "sha256-HITf/hgiASWvn/z49mzS8IS1vuyXwdk1JiAOOHRSQMo=";
        };
      });
    })
  ];

edit: version v0.8.4 works as well.

7

Additional upstream issue/PR context:

8

I did, yes. I have screensharing working in Firefox on Jitsi, but for whatever reason Vesktop still doesn’t work and even Discord in the browser doesn’t work. Haven’t tried in a while though so things may have been resolved.

9

As an update to this thread. It seems like things are still broken.

I’ve found that the best way for me to share my screen with someone is to use Jitsi meet…