gst_clock_add_observation 1039 gst/gstclock.c   gst_clock_add_observation (clock, stime, mtime, &r_squared);
gst_clock_add_observation  520 gst/gstclock.h gboolean		gst_clock_add_observation       (GstClock *clock, GstClockTime slave, 
gst_clock_add_observation  265 libs/gst/net/gstnetclientclock.c   gst_clock_add_observation (GST_CLOCK (self), local_avg, remote, &r_squared);
gst_clock_add_observation  581 tests/check/gst/gstsystemclock.c   gst_clock_add_observation (clock, stime, mtime, &r_squared);