diff --git a/Formula/x265.rb b/Formula/x265.rb
new file mode 100644
index 00000000000..4b7d163119a
--- /dev/null
+++ b/Formula/x265.rb
@@ -0,0 +1,35 @@
+require 'formula'
+
+class X265 < Formula
+  homepage 'http://x265.org'
+  url 'https://bitbucket.org/multicoreware/x265/get/0.4.1.tar.bz2'
+  sha1 'a3441aa6f1dc0940b89a53bec8031492bca1fa86'
+
+  head 'https://bitbucket.org/multicoreware/x265', :using => :hg
+
+  depends_on 'yasm' => :build
+  depends_on 'cmake' => :build
+  depends_on :macos => :lion
+
+  fails_with :gcc do
+    build 5666
+    cause '-mstackrealign not supported in the 64bit mode'
+  end
+
+  fails_with :llvm do
+    build 2335
+    cause '-mstackrealign not supported in the 64bit mode'
+  end
+
+  def install
+
+    args = std_cmake_args
+    args.delete '-DCMAKE_BUILD_TYPE=None'
+    args << '-DCMAKE_BUILD_TYPE=Release'
+    ENV.append 'CXXFLAGS', '-mavx2'
+
+    system "cmake", "source",  *args
+    system "make"
+    bin.install 'x265'
+  end
+end