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--- onny:notizen:waydroid [2026/05/23 21:40] – created fdc9:281f:4d7:9ee9::1
+++ onny:notizen:waydroid [2026/05/23 23:28] (current) – fdc9:281f:4d7:9ee9::1
@@ Line 1: / Line 1: @@
 trying to hack virtual camera into waydroid
+  * file to edit: /var/lib/waydroid/lxc/waydroid/config_nodes
+  * v4l2-ctl --list-devices
+<code>
+{ config, pkgs, ... }:
+{
+  # Enable V4L2 loopback kernel module
+  boot.extraModulePackages = with config.boot.kernelPackages; [
+    v4l2loopback
+  ];
+  boot.kernelModules = [ "v4l2loopback" ];
+  # Module options — give it a fixed device node
+  boot.extraModprobeConfig = ''
+    options v4l2loopback devices=1 video_nr=10 card_label="OBS Virtual Camera" exclusive_caps=1
+  '';
+  # OBS with v4l2sink plugin
+  environment.systemPackages = with pkgs; [
+    obs-studio
+    v4l-utils
+  ];
+  # Required for OBS virtual camera to work
+  security.polkit.enable = true;
+}
+</code>
+testing
+<code>
+ffplay /dev/video10
+v4l2-ctl --device=/dev/video10 --list-formats
+</code>
+<code>
+waydroid session stop
+sudo systemctl restart waydroid-container.service
+waydroid session start
+</code>
+<code>
+sudo waydroid shell
+dumpsys media.camera
+scrcpy --list-cameras
+</code>
+  * akvcam waydroid https://github.com/webcamoid/akvcam/issues/88
+  * akvcam nixos example config https://github.com/srghma/.dotfiles/blob/9155c7b58ef0d3ca961dfd31c896e0cf63d8b071/nixos/modules/webcamoid.nix#L11