公开(公告)号：US20190149867A1

公开(公告)日：2019-05-16

申请号：US15813575

申请日：2017-11-15

Applicant: WhatsApp Inc.

Inventor： Manpreet Singh ,  Brian Lange Acton ,  Jan Boris Koum

IPC: H04N21/2662 ,  H04N19/186 ,  H04N21/647

CPC classification number: H04N21/2662 ,  H04N19/115 ,  H04N19/164 ,  H04N19/186 ,  H04N21/647

Abstract: Techniques to dynamically engage a reduced-color mode for streaming video encoding are generally described. For example, in one embodiments, an apparatus may include an encoding configuration component operative to receive network performance information for a video stream at a sending device, the video stream using a first number of variable bits for color encoding; and assign a reduced-color mode to a media component based on the network performance information, the media component operative to generate the video stream in the reduced-color mode, wherein the reduced-color mode uses a second number of variable bits for color encoding, the second number less than the first number, and a network component operative to send the video stream from the sending device to a receiving device using the reduced-color mode. Other embodiments are described and claimed.

公开(公告)号：US09749178B2

公开(公告)日：2017-08-29

申请号：US14859141

申请日：2015-09-18

Applicant: WhatsApp Inc.

Inventor： Manpreet Singh

IPC: H04L12/24 ,  H04L12/26 ,  H04L29/06

CPC classification number: H04L41/0803 ,  H04L12/28 ,  H04L43/0864 ,  H04L43/0888 ,  H04L43/0894 ,  H04L65/1069 ,  H04L65/80 ,  H04L69/22

Abstract: Techniques to dynamically configure target bitrate for streaming network connections are described. An apparatus may comprise a streaming component operative to establish a streaming network connection with a second client device at a first client device; and a stream configuration component operative to determine inter-arrival rate information for the streaming network connection; provide the inter-arrival rate information to an inter-arrival rate analysis component; receive a preliminary target bitrate from the inter-arrival rate analysis component in response to providing the inter-arrival rate information to the inter-arrival rate analysis component; determine round-trip time information for the streaming network connection; determine an assigned target bitrate and a packet size setting for the streaming network connection based on the preliminary target bitrate and the round-trip time information; and configure the streaming component to perform the streaming network connection with the assigned target bitrate and the packet size setting. Other embodiments are described and claimed.

公开(公告)号：US10972726B2

公开(公告)日：2021-04-06

申请号：US15721496

申请日：2017-09-29

Applicant: WhatsApp Inc.

Inventor： YuanYuan Wang ,  Manpreet Singh

IPC: H04N19/156 ,  H04N19/184 ,  H04N19/164 ,  H04N19/12 ,  H04N19/179 ,  H04N21/24 ,  H04N21/4788 ,  H04N21/2343 ,  H04N19/115

Abstract: Techniques to dynamically select a video encoder for streaming video encoding are described. For example, in one embodiment, an apparatus may include an encoding configuration component operative to receive network performance information for a video stream at a sending device, the video stream at a first video bitrate with a first video encoding codec, and assign a second video bitrate with a second video encoding codec to a media component based on the network performance information, wherein the second video encoding codec is used based on generating the video stream at the second video bitrate, the media component operative to generate the video stream at the sending device at the second video bitrate with the second video encoding code, and the network component operative to send the video stream from the sending device to the receiving device using the second video encoding codec. Other embodiments are described and claimed.

公开(公告)号：US10129412B1

公开(公告)日：2018-11-13

申请号：US14480227

申请日：2014-09-08

Applicant: WhatsApp Inc.

Inventor： Manpreet Singh ,  Ehren A. Kret ,  Erik James Reed ,  Michael B. Donohue

IPC: H04L12/26 ,  H04W4/18 ,  H04M15/00 ,  H04L25/20 ,  H04L29/08 ,  H04W76/10

Abstract: A system, apparatus, and methods are provided for establishing and supporting a VOIP (Voice Over Internet Protocol) call from one computing/communication device to another. The system receives a call offer from a caller, forwards it to the callee, and identifies to each party multiple candidate relay entities for relaying their digitized voice communications. Each device binds with one or all relays, and either or both of them select one of the relays to use in a relay mode of operation of the call, if necessary. One or more of the relays inform the devices of their external network addresses, and each device passes its (internal and external) addresses to each other, through the system. The devices attempt to establish a direct connection to conduct their call in a peer-to-peer mode of operation, but may dynamically switch between peer-to-peer and relay modes as necessary.