init AMB-plugins at 0.8.1

pkgs/applications/audio/AMB-plugins/default.nix

···
+{ stdenv, fetchurl, ladspaH
+}:
+
+stdenv.mkDerivation rec {
+  name = "AMB-plugins-${version}";
+  version = "0.8.1";
+  src = fetchurl {
+    url = "http://kokkinizita.linuxaudio.org/linuxaudio/downloads/${name}.tar.bz2";
+    sha256 = "0x4blm4visjqj0ndqr0cg776v3b7lvplpc8cgi9n51llhavn0jpl";
+  };
+
+  buildInputs = [ ladspaH ];
+
+  patchPhase = ''
+    sed -i 's@/usr/bin/install@install@g' Makefile
+    sed -i 's@/bin/rm@rm@g' Makefile
+    sed -i 's@/usr/lib/ladspa@$(out)/lib/ladspa@g' Makefile
+  '';
+
+  preInstall="mkdir -p $out/lib/ladspa";
+
+  meta = {
+    description = ''A set of ambisonics ladspa plugins'';
+    longDescription = ''
+      Mono and stereo to B-format panning, horizontal rotator, square, hexagon and cube decoders.
+    '';
+    version = "${version}";
+    homepage = http://kokkinizita.linuxaudio.org/linuxaudio/ladspa/index.html;
+    license = stdenv.lib.licenses.gpl2Plus;
+    maintainers = [ stdenv.lib.maintainers.magnetophon ];
+    platforms = stdenv.lib.platforms.linux;
+  };
+}

pkgs/top-level/all-packages.nix

···
     tcl = tcl-8_5;
   };
 
+  AMB-plugins = callPackage ../applications/audio/AMB-plugins { };
+
   ams-lv2 = callPackage ../applications/audio/ams-lv2 { };
 
   amsn = callPackage ../applications/networking/instant-messengers/amsn { };