nixos/generic/mpv: init

nix-os/generic/mpv.nix

@@ -0,0 +1,90 @@
+{config, lib, options, pkgs, ...  }:
+
+let
+  cfg = config.programs.mpv;
+  opts = options.programs.mpv;
+
+  toMpvIniString = attrset: lib.pipe attrset [
+      (lib.mapAttrsToList (name: value: "${name}=${value}"))
+      (lib.concatStringsSep "\n")
+    ];
+
+  configDir = pkgs.symlinkJoin {
+    name = "mpv-config-dir";
+    paths = lib.optional opts.settings.mpv.isDefined (pkgs.writeTextFile {
+      name = "mpv-config-dir-mpv.conf";
+      destination = "/share/mpv/mpv.conf";
+      text = toMpvIniString cfg.settings.mpv;
+    }) ++ lib.optional opts.settings.input.isDefined (pkgs.writeTextFile {
+      name = "mpv-config-dir-input.conf";
+      destination = "/share/mpv/input.conf";
+      text = cfg.settings.input;
+    }) ++ lib.mapAttrsToList (filename: opts: pkgs.writeTextFile {
+      name = "mpv-config-dir-script-opts-${filename}";
+      destination = "/share/mpv/script-opts/${filename}";
+      text = toMpvIniString opts;
+    }) cfg.settings.script-opts;
+  };
+
+  wrappedMpv = pkgs.wrapMpv cfg.package {
+    youtubeSupport = cfg.youtubeSupport;
+    scripts = cfg.scripts;
+    extraMakeWrapperArgs = lib.optionals (lib.any (x: x) [
+      opts.settings.mpv.isDefined
+      opts.settings.input.isDefined
+      (lib.length (lib.attrNames cfg.settings.script-opts) > 0)
+    ]) [
+      "--add-flags" "--config-dir='${configDir}/share/mpv'"
+    ];
+  };
+in
+{
+  options.programs.mpv = {
+    enable = lib.mkEnableOption "mpv";
+    package = lib.mkPackageOption pkgs "mpv-unwrapped" {};
+    scripts = lib.mkOption {
+      type = lib.types.listOf lib.types.package;
+      default = [];
+    };
+    youtubeSupport = lib.mkEnableOption "yt-dlp support for mpv" // {
+      default = true;
+    };
+    settings = let
+      mpvini = lib.types.attrsOf lib.types.str;
+    in {
+      script-opts = lib.mkOption {
+        type = lib.types.attrsOf mpvini;
+        default = {};
+        example = {
+          "crop.conf".draw_crosshair = "yes";
+        };
+        description = ''
+          A map of script options for mpv scripts.
+          The key is the filename of the script, and the value is a map of options.
+        '';
+      };
+      input = lib.mkOption {
+        type = lib.types.separatedString "\n";
+        example = ''
+          Alt+1 set window-scale 0.125
+        '';
+        description = ''
+          A list of input commands to be added to the input.conf file.
+        '';
+      };
+      mpv = lib.mkOption {
+        type = mpvini;
+        example = {
+          keep-open = "yes";
+          osd-fractions = "yes";
+        };
+        description = ''
+          A map of mpv options.
+        '';
+      };
+    };
+  };
+  config = lib.mkIf cfg.enable {
+    environment.systemPackages = [ wrappedMpv ];
+  };
+}