class Gstreamer < Formula
  desc "Development framework for multimedia applications"
  homepage "https://gstreamer.freedesktop.org/"
  url "https://gstreamer.freedesktop.org/src/gstreamer/gstreamer-1.12.1.tar.xz"
  sha256 "9044b9d8b3ff44457fa9e36faa59c56684b587b34dee449bfe15ec0c32a3a6d2"

  bottle do
    sha256 "ad6cf580a3f5d68b8c37e01e8db5b1cf16aa5c4d072416f6305ab63d75e05b9a" => :sierra
    sha256 "ddb14f2c108456c858c134d69e4252464d3519401ad37a6872ce40b27e06a216" => :el_capitan
    sha256 "5d40c43a9d0b8a901aa4dda568ca0bf29c08752e68ce659db22906a9c768e0b3" => :yosemite
  end

  head do
    url "https://anongit.freedesktop.org/git/gstreamer/gstreamer.git"

    depends_on "autoconf" => :build
    depends_on "automake" => :build
    depends_on "libtool" => :build
  end

  depends_on "pkg-config" => :build
  depends_on "gobject-introspection"
  depends_on "gettext"
  depends_on "glib"
  depends_on "bison"

  def install
    args = %W[
      --prefix=#{prefix}
      --disable-debug
      --disable-dependency-tracking
      --disable-gtk-doc
      --enable-introspection=yes
    ]

    if build.head?
      ENV["NOCONFIGURE"] = "yes"
      system "./autogen.sh"

      # Ban trying to chown to root.
      # https://bugzilla.gnome.org/show_bug.cgi?id=750367
      args << "--with-ptp-helper-permissions=none"
    end

    # Look for plugins in HOMEBREW_PREFIX/lib/gstreamer-1.0 instead of
    # HOMEBREW_PREFIX/Cellar/gstreamer/1.0/lib/gstreamer-1.0, so we'll find
    # plugins installed by other packages without setting GST_PLUGIN_PATH in
    # the environment.
    inreplace "configure", 'PLUGINDIR="$full_var"',
      "PLUGINDIR=\"#{HOMEBREW_PREFIX}/lib/gstreamer-1.0\""

    system "./configure", *args
    system "make"
    system "make", "install"
  end

  test do
    system bin/"gst-inspect-1.0"
  end
end