tools/audio/loudgain: init at 0.6.8

https://github.com/Moonbase59/loudgain

pkgs/tools/audio/loudgain/default.nix

@@ -0,0 +1,26 @@
+{ lib, stdenv, fetchFromGitHub, cmake, pkg-config, ffmpeg, libebur128
+, libresample, taglib, zlib }:
+
+stdenv.mkDerivation rec {
+  pname = "loudgain";
+  version = "0.6.8";
+
+  src = fetchFromGitHub {
+    owner = "Moonbase59";
+    repo = pname;
+    rev = "v${version}";
+    hash = "sha256-XLj+n0GlY/GAkJlW2JVMd0jxMzgdv/YeSTuF6QUIGwU=";
+  };
+
+  nativeBuildInputs = [ cmake pkg-config ];
+  buildInputs = [ ffmpeg libebur128 libresample taglib zlib ];
+
+  postInstall = ''
+    sed -e "1aPATH=$out/bin:\$PATH" -i "$out/bin/rgbpm"
+  '';
+
+  meta = src.meta // {
+    license = lib.licenses.free;
+    maintainers = with lib.maintainers; [ ehmry ];
+  };
+}

pkgs/top-level/all-packages.nix

@@ -8463,6 +8463,8 @@ with pkgs;
 
   lottieconverter = callPackage ../tools/misc/lottieconverter { };
 
+  loudgain = callPackage ../tools/audio/loudgain/default.nix { };
+
   lpcnetfreedv = callPackage ../development/libraries/lpcnetfreedv { };
 
   lsd = callPackage ../tools/misc/lsd { };