A METHOD, SYSTEM AND ENTITY FOR REALIZING PICTURE-IN-PICTURE VIDEO

摘要

A method for realizing picture-in-picture video, comprises: a User Equipment UE sending a picture-in-picture watching request to a Service Controlling Function entity SCF, receiving the picture-in-picture transmission information comprising media transmission address returned by the SCF; the UE requesting the Essential Forward Function/ Essential Controlling Function EFF/ECF for receiving the media streams of a plurality of video windows according to the media transmission address, and combining the received media streams of the plurality of video windows, and displaying the picture-in-picture video. Further, a system and entity for realizing picture-in-picture video are also disclosed.