essentia-extractor: init at 2.1_beta2

pkgs/tools/audio/essentia-extractor/default.nix

@@ -0,0 +1,41 @@
+{ stdenv, fetchurl }:
+let
+  arch_table = {
+    "x86_64-linux" = "linux-x86_64";
+    "i686-linux" = "linux-i686";
+  };
+
+  sha_table = {
+    "x86_64-linux" =
+      "d9902aadac4f442992877945da2a6fe8d6ea6b0de314ca8ac0c28dc5f253f7d8";
+    "i686-linux" =
+      "46deb0a053b4910c4e68737a7b6556ff5360260c8f86652f91a0130445f5c949";
+  };
+
+  arch = arch_table.${stdenv.system};
+  sha = sha_table.${stdenv.system};
+in stdenv.mkDerivation rec {
+  pname = "essentia-extractor";
+  version = "2.1_beta2";
+
+  src = fetchurl {
+    url =
+      "ftp://ftp.acousticbrainz.org/pub/acousticbrainz/essentia-extractor-v${version}-${arch}.tar.gz";
+    sha256 = sha;
+  };
+
+  unpackPhase = "unpackFile $src ; export sourceRoot=.";
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp streaming_extractor_music $out/bin
+  '';
+
+  meta = with stdenv.lib; {
+    homepage = "https://acousticbrainz.org/download";
+    description = "AcousticBrainz audio feature extractor";
+    license = licenses.agpl3Plus;
+    maintainers = with maintainers; [ lovesegfault ];
+    platforms = [ "x86_64-linux" "i686-linux" ];
+  };
+}

pkgs/top-level/all-packages.nix

@@ -855,6 +855,8 @@ in
 
   enpass = callPackage ../tools/security/enpass { };
 
+  essentia-extractor = callPackage ../tools/audio/essentia-extractor { };
+
   esh = callPackage ../tools/text/esh { };
 
   ezstream = callPackage ../tools/audio/ezstream { };