[DllImport("gstreamer-0.10.dll")]
		static extern IntPtr gst_pad_template_new(IntPtr name_template, int direction, int presence, IntPtr caps);

		[DllImport("gstreamer-0.10.dll")]
		static extern IntPtr gst_caps_ref (IntPtr handle);

		public PadTemplate (string name_template, Gst.PadDirection direction, Gst.PadPresence presence, Gst.Caps caps) : base (IntPtr.Zero)
		{
			if (GetType () != typeof (PadTemplate)) {
				ArrayList vals = new ArrayList();
				ArrayList names = new ArrayList();
				names.Add ("name_template");
				vals.Add (new GLib.Value (name_template));
				names.Add ("direction");
				vals.Add (new GLib.Value (direction));
				names.Add ("presence");
				vals.Add (new GLib.Value (presence));
				if (caps != null) {
					names.Add ("caps");
					vals.Add (new GLib.Value (caps));
				}
				CreateNativeObject ((string[])names.ToArray (typeof (string)), (GLib.Value[])vals.ToArray (typeof (GLib.Value)));
				return;
			}
			IntPtr native_name_template = GLib.Marshaller.StringToPtrGStrdup (name_template);
			if (caps != null)
			  gst_caps_ref (caps.Handle);

			Raw = gst_pad_template_new(native_name_template, (int) direction, (int) presence, caps == null ? IntPtr.Zero : caps.Handle);
			GLib.Marshaller.Free (native_name_template);
		}