公开(公告)号：US20200322403A1

公开(公告)日：2020-10-08

申请号：US16906287

申请日：2020-06-19

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Itsik DVIR ,  Amiram ALLOUCHE ,  Feng LI ,  Boris SUKHOLITKO ,  Guy ALMOG ,  Guanhua ZHUANG

IPC: H04L29/06 ,  G06T15/20 ,  H04N13/279 ,  G06T19/00

Abstract: A distribution device for delivering a selected viewport stream of virtual reality (VR) data to each of a plurality of client devices, comprising a processing unit configured for receiving a plurality of extended viewport streams of a VR video file each comprising a sequence of extended field of view (EFOV) frames created for a respective one of a plurality of overlapping segments constituting a sphere defined in the VR video file and delivering a selected one of the plurality of extended viewport streams to each of a plurality of client devices by performing the following for each of the client devices in each of a plurality of iterations: (1) receiving a current orientation data of the respective client device; (2) selecting one of the plurality of extended viewport streams according to the current orientation data; and (3) transmitting the selected extended viewport stream to the respective client device.