gst_base_sink_get_ts_offset 1339 libs/gst/base/gstbasesink.c       g_value_set_int64 (value, gst_base_sink_get_ts_offset (sink));
gst_base_sink_get_ts_offset  217 libs/gst/base/gstbasesink.h GstClockTimeDiff gst_base_sink_get_ts_offset    (GstBaseSink *sink);