New formula: aften

Aften is an audio encoder which generates ac3 compressed audio streams.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>

Formula/aften.rb

@@ -0,0 +1,17 @@
+require 'formula'
+
+class Aften <Formula
+  url 'http://downloads.sourceforge.net/aften/aften-0.0.8.tar.bz2'
+  homepage 'http://aften.sourceforge.net/'
+  md5 'fde67146879febb81af3d95a62df8840'
+
+  depends_on 'cmake' => :build
+
+  def install
+    Dir.mkdir 'default'
+    Dir.chdir 'default' do
+      system "cmake .. #{std_cmake_parameters}"
+      system "make install"
+    end
+  end
+end