Method and system for distributing live broadcast contents

A distribution system and content technology, applied in the field of network multimedia, can solve the problems of increasing equipment investment, increasing the delay of lower-level nodes, and difficulty in maintaining the consistency of node content, so as to achieve the effect of reducing investment in hardware equipment and reducing live broadcast delay

Inactive Publication Date: 2011-01-05
ZTE CORP
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AI Technical Summary

Problems solved by technology

In the case of a parallel structure, it is equivalent to deploying multiple above-mentioned single nodes, and video signals need to be connected to each node, which increases the complexity of content management, and setting encoders at each node significantly increases equipment investment, which is not acceptable to operators
In the case of a multi-level hierarchical structure, the M3U8 index and TS segment files are relayed between nodes at all levels. On the one hand, it is difficult to maintain the consistency of the contents of each node because the distribution involves multiple files; extend
Therefore, neither of the above two methods can well solve the problem of media stream distribution for large-scale commercial use of HLS.

Method used

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  • Method and system for distributing live broadcast contents
  • Method and system for distributing live broadcast contents
  • Method and system for distributing live broadcast contents

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Embodiment Construction

[0040] The present invention provides a method for distributing live content, that is, the distribution of live content adopts a multi-level hierarchical structure, the live encoder of the central node encodes and outputs a TS stream, and the TS stream is transmitted from the central node to the edge node through the relay, and the central node and Edge nodes are equipped with a segmenter component, which is responsible for encapsulating the TS stream (encapsulating it into M3U8 index and TS segment in HTTP Live Streaming) and storing it, pushing it to the web server of the node for transmission, and finally the node The web server provides the live broadcast service to the client.

[0041] The live content distribution system provided by the present invention, such as figure 1 As shown, a multi-layer hierarchical network architecture is adopted, including a central node and at least one edge node. The edge node can be directly connected to the central node, or connected to th...

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Abstract

The invention provides a system for distributing live broadcast contents. The system comprises a central node and at least one edge node, wherein the edge node is directly connected with the central node or is connected with the central node through one or more edge nodes; the central node is connected with a live broadcast source and is used for acquiring transport stream (TS) and sending the TS to the edge node; the edge node is used for encapsulating and storing the TS acquired from the central node, receiving a request from a client of the node and providing a live broadcast service. The invention also provides a method for distributing the live broadcast contents, in particular a method for distributing the live broadcast contents for large-scale commercial use.

Description

technical field [0001] The present invention relates to the technical field of network multimedia, in particular to a live content distribution method and system. Background technique [0002] Internet Engineering Task Force (Internet Engineering Task Force, hereinafter referred to as IETF) proposed HTTP Live Streaming (referred to as HLS, hypertext transfer protocol live) draft draft-pantos-http-live-streaming (referred to as HLS draft) in May 2009, and Updated in June 2010, HLS is a network streaming media application layer protocol based on HTTP / 1.1 (HyperText Transfer Protocol, Hypertext Transfer Protocol, hereinafter referred to as HTTP). [0003] According to the HLS draft definition, HLS consists of three parts: server components, distributor components, and client software. The server component is responsible for encapsulating the input media stream into a suitable format for transmission; the distributor component is composed of a standard Web Server (referred to a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04N7/24
CPCH04N21/2187H04N21/64322H04N21/6125
Inventor 李竹平戴志军
Owner ZTE CORP
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