/* last buffer */
GstBuffer * gst_base_sink_get_last_buffer (GstBaseSink *sink);
+void gst_base_sink_set_last_buffer_enabled (GstBaseSink *sink, gboolean enable);
+gboolean gst_base_sink_is_last_buffer_enabled (GstBaseSink *sink);
/* latency */
gboolean gst_base_sink_query_latency (GstBaseSink *sink, gboolean *live, gboolean *upstream_live,