--- tumbler-0.1.22.ebuild	2011-10-16 14:31:30.000000000 +0900
+++ /tmp/tumbler-0.1.22.ebuild	2011-10-17 22:59:30.390412195 +0900
@@ -44,3 +44,11 @@
 
 	DOCS=( AUTHORS ChangeLog NEWS README TODO )
 }
+
+src_unpack() {
+	unpack ${A}
+	cd "${S}"
+
+	epatch ${FILESDIR}/${P}_gst-pipeline-start.patch
+}
+