శుక్లాం బరధరం శ్లోకం విష్ణువుదా? వినాయకునిదా? Daivaradhana Telugu

In this video, Mylavarapu Srinivasarao Garu explained whose Sloka of Suklam Baradharam Vishnum. Does sloka refer to bhagwan or lord vishnu or Ganesha? What is the hidden meaning of sloka?