From 62dce237042df87aafd76e706cf74aa3523bf7a5 Mon Sep 17 00:00:00 2001
From: Leander Scherer <leander@schererleander.de>
Date: Tue, 13 Jan 2026 00:29:14 +0100
Subject: feat(mpv): setup sdr to hdr mpv

---
 modules/home/media/mpv/default.nix | 67 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 modules/home/media/mpv/default.nix

(limited to 'modules/home/media/mpv/default.nix')

diff --git a/modules/home/media/mpv/default.nix b/modules/home/media/mpv/default.nix
new file mode 100644
index 0000000..f6ac360
--- /dev/null
+++ b/modules/home/media/mpv/default.nix
@@ -0,0 +1,67 @@
+{ config, lib, ... }:
+let
+  cfg = config.nx.media.mpv;
+  inherit (lib)
+    mkEnableOption
+    types
+    optional
+    mkIf
+    mkOption
+    ;
+in
+{
+  options.nx.media.mpv = {
+    enable = mkEnableOption "a free, open source, and cross-platform media player";
+    hdrExpansion = mkEnableOption "SDR to HDR inverse tone mapping";
+    targetPeak = mkOption {
+      description = "Peak brightness of the display";
+      type = types.int;
+      default = 500; # For MO27Q28G
+    };
+  };
+  config = mkIf cfg.enable {
+    programs.mpv = {
+      enable = true;
+      config = {
+        vo = "gpu-next";
+        gpu-api = "vulkan";
+        target-peak = cfg.targetPeak;
+        target-colorspace-hint = "yes";
+      };
+      profiles = {
+        # Dolby Vision profile
+        "DOVI" = {
+          profile-restore = "copy";
+          profile-cond = "p[\"video-dec-params/gamma\"] == \"auto\"";
+          target-trc = "pq";
+          target-prim = "bt.2020";
+          target-peak = cfg.targetPeak;
+          tone-mapping-mode = "auto";
+        };
+
+        # SDR look while in HDR
+        "SDR" = {
+          profile-restore = "copy";
+          target-trc = "pq";
+          target-prim = "bt.2020";
+          target-peak = 207;
+          tone-mapping = "bt.2390";
+          tone-mapping-mode = "rgb";
+          inverse-tone-mapping = "yes";
+        };
+
+        # SDR to HDR inverse tone mapping
+        "SDR_HDR_EFFECT" = {
+          profile-restore = "copy";
+          target-trc = "pq";
+          target-prim = "bt.2020";
+          target-peak = 406;
+          tone-mapping = "spline";
+          tone-mapping-mode = "rgb";
+          inverse-tone-mapping = "yes";
+        };
+      };
+      defaultProfiles = optional cfg.hdrExpansion "HDR_MODE:SDR_HDR_EFFECT";
+    };
+  };
+}
-- 
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