Patent ID: 8914834
Filing Date: 2014-12-16
Classification: H04N

Abstract:
1. A method for video transmission, comprising: creating an enhancement profile for video transmission, wherein the enhancement profile is a directed graph comprising of a plurality of nodes, wherein each node is associated with a source rate and enhancement options for a video bit stream, wherein the enhancement options include a frame rate and a frame size, wherein an edge between two nodes represents enhancement in the frame rate or the frame size; identifying a source rate associated with the video bit stream and a channel rate associated with wireless communication environment, wherein the video bit stream is a Scalable Video Codec (SVC) of an H.264/MPEG4 Advanced Video Coding, wherein the channel rate is associated with at least one segment bandwidth rate; mapping the available channel rate to a node within the enhancement graph to determine Network Abstraction Layer (NAL) units comprising enhancement values based on enhancement options associated with the node, wherein the source rate associated with the node is less than or equal to the available channel rate; and transmitting the SVC having the determined NAL units and the enhancement values.