Methods, devices, and systems for decoding portions of video content according to a schedule based on user viewpoint [patent]
Publication date
April 23, 2020
Inventors
Bo Han, Sassan Pejhan, Vijay Gopalakrishnan, Feng Qian (assistant professor)
Abstract
Aspects of the subject disclosure may include, for example, determining a first viewpoint in response to detecting a user's head movement in viewing video content, determining a capacity of a network, determining a tile schedule for receiving tiles from a server over the network according to the first viewpoint and the capacity of the network, and providing the tile schedule to the server over the network. The server schedules transmitting of the tiles according to the tile schedule and provides the tiles to the client device according to the tile schedule. In addition, embodiments include decoding the tiles according to a decoding schedule, buffering the decoded tiles in a decoded frame buffer, detecting a change in viewpoint from the first viewpoint to a second viewpoint, selecting a portion of the decoded tiles according to the second viewpoint, and presenting the selected tiles. Other embodiments are disclosed.