*************** struct _GstBaseRTPPayloadPrivate
*** 48,53 ****
    guint16 next_seqnum;
    gboolean perfect_rtptime;
    gboolean timestamp_valid;
  
    gint64 prop_max_ptime;
    gint64 caps_max_ptime;
--- 48,54 ----
    guint16 next_seqnum;
    gboolean perfect_rtptime;
    gboolean timestamp_valid;
+   gboolean notified_first_timestamp;
  
    gint64 prop_max_ptime;
    gint64 caps_max_ptime;