Added SoundTouch library

pkgs/development/libraries/soundtouch/default.nix

···
+{stdenv, fetchurl, autoconf, automake, libtool}:
+
+stdenv.mkDerivation rec {
+  pName = "soundtouch";
+  name = "${pName}-1.8.0";
+  src = fetchurl {
+    url = "http://www.surina.net/soundtouch/${name}.tar.gz";
+    sha256 = "3d4161d74ca25c5a98c69dbb8ea10fd2be409ba1a3a0bf81db407c4c261f166b";
+  };
+
+  buildInputs = [ autoconf automake libtool ];
+
+  preConfigurePhases = "./bootstrap";
+
+  meta = {
+      description = "A program and library for changing the tempo, pitch and playback rate of audio";
+      homepage = http://www.surina.net/soundtouch/;
+      downloadPage = http://www.surina.net/soundtouch/sourcecode.html;
+      license = stdenv.lib.licenses.lgpl21;
+      platforms = stdenv.lib.platforms.all;
+  };
+}

pkgs/top-level/all-packages.nix

···
 
   sord = callPackage ../development/libraries/sord {};
 
+  soundtouch = callPackage ../development/libraries/soundtouch {};
+
   spandsp = callPackage ../development/libraries/spandsp {};
 
   speechd = callPackage ../development/libraries/speechd { };