{
  inputs = {
    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
    flake-utils.url = "github:numtide/flake-utils";
  };

  outputs = { self, nixpkgs, flake-utils }:
    flake-utils.lib.eachDefaultSystem(system:
      let
        pkgs = import nixpkgs {
          inherit system;
        };
        inherit (pkgs) lib;
      in
      {
        devShells.default = pkgs.mkShell {
          nativeBuildInputs = with pkgs; [
            (python311.withPackages(ps: [
              ps.pydub
            ]))
            ffmpeg_6
            mpv
          ];
        };
      }
    );
}