feat: video encoding utilities configuration

flake.nix

@@ -78,6 +78,7 @@
             ./presets/nixos.nix
             ./presets/terminal.nix
             ./modules/docker
+            ./modules/video
           ];
           specialArgs = commonSpecialArgs;
         };

modules/nvim/default.nix

@@ -7,6 +7,7 @@ let
   };
 in
 {
+  environment.variables.EDITOR = nvim-rg;
   home-manager.users."${username}" = {
     programs.bash.shellAliases = aliases;
     programs.fish.shellAliases = aliases;

modules/video/default.nix

@@ -0,0 +1,28 @@
+{ pkgs, username, ... }:
+let
+  ffmpeg-nice = pkgs.writeShellApplication {
+    name = "ffmpeg-nice";
+    runtimeInputs = [ pkgs.ffmpeg-full ];
+    text = /* shell */ ''
+      set -o xtrace
+      output="''${1%.*}_NICE.mp4"
+      ffmpeg \
+        -i "$1" \
+        -n \
+        -c:v libx265 \
+        -crf 20 \
+        -preset slow \
+        -c:a aac -b:a 192k \
+        -maxrate 4000k -bufsize 8000k \
+        -movflags use_metadata_tags+faststart \
+        -map_metadata 0 \
+        "$output"
+    '';
+  };
+in
+{
+  users.users."${username}".packages = [
+    pkgs.ffmpeg-full
+    ffmpeg-nice
+  ];
+}