Add decentsampler

pkgs/decentsampler/default.nix

@@ -0,0 +1,53 @@
+{ stdenv, lib
+, fetchurl
+, autoPatchelfHook
+, alsaLib
+, freetype
+, glibc
+, requireFile
+}:
+
+stdenv.mkDerivation rec {
+  name = "decentsampler-${version}";
+
+  version = "1.1.1";
+
+  src = requireFile rec {
+    name = "Decent_Sampler-${version}-Linux-x86_64.tar.gz";
+    sha256 = "0l1msk6d9x74scq82yv4nj282aw57mgzv2wj4kknzh08xnj5a1gh";
+    message = ''
+      Get ${name}, (linux version) from
+      https://www.decentsamples.com/product/decent-sampler-plugin/
+
+      And import it using:
+      nix-prefetch-url file://<path/to>/${name}
+    '';
+  };
+
+  nativeBuildInputs = [
+    autoPatchelfHook
+  ];
+
+  buildInputs = [
+    alsaLib
+    freetype
+    glibc
+  ];
+
+  sourceRoot = ".";
+
+  installPhase = ''
+    ls -la
+    mkdir -p $out/lib/vst2 $out/lib/vst3
+    install -m755 -D Decent_Sampler-${version}-Linux-x86_64/DecentSampler.so \
+      $out/lib/vst2/
+    install -m755 -D Decent_Sampler-${version}-Linux-x86_64/DecentSampler.vst3/Contents/x86_64-linux/DecentSampler.so \
+      $out/lib/vst3/
+  '';
+
+  meta = with lib; {
+    homepage = "https://www.decentsamples.com/product/decent-sampler-plugin/";
+    description = "A FREE sampling plugin that allows you to play samples in the Decent Sampler format";
+    platforms = platforms.linux;
+  };
+}

pkgs/default.nix

@@ -45,6 +45,8 @@ self: super:
 
   squeezer = super.callPackage ./squeezer {};
 
+  decentsampler = super.callPackage ./decentsampler {};
+
   # Originally from Mats Rauhala ®2018
   copy = super.writeScriptBin "copy" ''
     function clean() {