From 635edfc0ce1ae0504f2877f846211a4fdfa6d327 Mon Sep 17 00:00:00 2001
From: Tim Keller <tjk@tjkeller.xyz>
Date: Fri, 11 Jul 2025 11:26:40 -0500
Subject: blackmagic desktop vid custom derivation and decklink support

---
 modules/root/decklink.nix | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 modules/root/decklink.nix

(limited to 'modules/root/decklink.nix')

diff --git a/modules/root/decklink.nix b/modules/root/decklink.nix
new file mode 100644
index 0000000..6fd6395
--- /dev/null
+++ b/modules/root/decklink.nix
@@ -0,0 +1,24 @@
+{ lib, pkgs, ... }: {
+	options = {
+		decklink.enable = lib.mkEnableOption "enables decklink support";
+	};
+
+	config = {
+		# Kernel modules
+		hardware.decklink.enable = true;
+
+		# DesktopVideoHelper
+		environment.systemPackages = with pkgs; [ pkgs.blackmagic-desktop-video-gui ];
+
+		# Enable decklinkSupport flag globally for all packages that support it (e.g. obs)
+		nixpkgs.overlays = [
+			(final: prev: { decklinkSupport = true; })
+			#(import ./software/derivations/blackmagic-desktop-video-gui/default.nix)
+			(final: prev: {
+				blackmagic-desktop-video-gui = (pkgs.callPackage ./software/derivations/blackmagic-desktop-video-gui/generic.nix {}).override({
+					desktopVideoFull = true;
+				});
+			})
+		];
+	};
+}
-- 
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