Patent ID: 8731152
Filing Date: 2014-05-20
Classification: H04N

Abstract:
1. A method for reducing the use of key frames, comprising: receiving a registration request from a client to join a video conference comprising existing clients, the existing clients receiving P frames during the video conference without automatically and periodically receiving a key frame during the video conference; determining a stream to send to a client in the video conference; wherein the stream comprises video that is associated with at least one of the clients of the video conference; after receiving the registration request from the client, requesting a key frame and a P frame to be generated by the at least one of the clients of the video conference in response to the registration request; and sending the key frame that is generated by the at least one of the clients of the video conference to the client in response to the registration request, wherein the key frame is created from a frame of the stream after receiving the registration request; and sending a predicted frame that is created using the frame of the stream to at least one of the other clients without sending the key frame to the at least one of the other clients.