+/* This flow return is used to indicated that the last buffer of a
+ * drain or a resoltuion change has been found. This should normally
+ * only occure for mem-2-mem devices. */
+#define GST_V4L2_FLOW_LAST_BUFFER GST_FLOW_CUSTOM_SUCCESS
+
+/* This flow return is used to indicated that the returned buffer was marked
+ * with the error flag and had no payload. This error should be recovered by
+ * simply waiting for next buffer. */
+#define GST_V4L2_FLOW_CORRUPTED_BUFFER GST_FLOW_CUSTOM_SUCCESS_1
+