gst_base_sink_set_ts_offset 1297 libs/gst/base/gstbasesink.c       gst_base_sink_set_ts_offset (sink, g_value_get_int64 (value));
gst_base_sink_set_ts_offset  216 libs/gst/base/gstbasesink.h void            gst_base_sink_set_ts_offset     (GstBaseSink *sink, GstClockTimeDiff offset);