gst_base_sink_set_last_buffer_unlocked  982 libs/gst/base/gstbasesink.c   gst_base_sink_set_last_buffer_unlocked (sink, buffer);
gst_base_sink_set_last_buffer_unlocked 1007 libs/gst/base/gstbasesink.c       gst_base_sink_set_last_buffer_unlocked (sink, NULL);