Google Inc.

Beril Erkin

Danny Hong

Ismail R Haritaoglu

Oztan Harmanci

Alex Sukhanov

Ramachandra Tahasildar

Richard Xie

Techniques for encoding game content for real-time cloud-gaming, and more specifically to using an adaptive statistical model in a moving window of previous frames up to a current frame to adaptively compute a lower-bound of a quantization parameter (QP) that corresponds to a chosen peak signal to noise ratio (PSNR) target. The result of this PSNR-guided encoding is significantly reducing the size of encoded frames (i.e., undershooting a target bit rate when there are no subjective quality losses on those frames using their PSNR as the guidance). These reductions mitigate bandwidth issues and improve the overall user experience because less bits transferred results in faster network transmission and decoding, as well as less platform overhead.

Content-adaptive signal-to noise-ratio-guided two-pass video encoding for cloud gaming

A method for a live stream connector includes receiving an input media stream of data with input parameter and transmitting, to a receiving node, the input media stream as packetized data with a header indicating the input parameters. The receiving node is configured with a receiving buffer based on the input parameters of the header and is configured to emit the packetized data to a destination when an amount of delay since receipt of the packetized data satisfies the latency input of the input parameters. The method further includes receiving, from a feedback node, a control packet identifying a missing packet within the transmission. The method also includes identifying that a retransmission buffer includes the missing packet and determining whether a sender buffer includes the identified missing packet. When the sender buffer includes the identified missing packet, the method includes retransmitting the identified missing packet to the receiving node.

Live stream connector

Growing community of inventors

Mountain View, CA, United States of America

Beril Erkin