gst_base_sink_get_position_last 4498 libs/gst/base/gstbasesink.c   gst_base_sink_get_position_last (basesink, format, &last, upstream);
gst_base_sink_get_position_last 4565 libs/gst/base/gstbasesink.c     res = gst_base_sink_get_position_last (basesink, format, cur, upstream);