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Live broadcast method and device, network node and storage medium

A storage medium and node technology, applied in the field of live video broadcasting, can solve problems such as high end-to-end delay and difficulty in meeting user live broadcast delay requirements, and achieve the effect of reducing live broadcast delay

Pending Publication Date: 2022-01-07
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the end-to-end delay of the traditional transmission method is high, and it is difficult to meet the user's requirements for live broadcast delay

Method used

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  • Live broadcast method and device, network node and storage medium
  • Live broadcast method and device, network node and storage medium
  • Live broadcast method and device, network node and storage medium

Examples

Experimental program
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Embodiment Construction

[0027] The live broadcast method provided in the embodiment of this application can be applied to such as figure 1 As shown in the live broadcast system, the live broadcast system may include a content encapsulation node 10 , a network node 11 in the CDN, and a client 12 . Wherein, the content encapsulation node 10 is used for slicing and encapsulating the encoded live content according to Common Media Application Format (Common Media Application Format, CMAF), that is, generating live segment files in the form of moof / mdat Chunk tuple blocks, One or more moof / mdat Chunk tuples form a file chunk. At the same time, the content encapsulation node 10 can also generate the index file of the live segment file. The network node 11 is configured to obtain the file block of the live segment file from the content encapsulation node 10, and transmit the requested live content to the client 12 in the form of the file block. The client 12 can request real-time live broadcast content fro...

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Abstract

The invention provides a live broadcast method and device, a network node and a storage medium. The method comprises the following steps: collecting a live broadcast content request of a first client, wherein the live broadcast content request is used for requesting live broadcast fragment files; according to the live broadcast content request, obtaining a packaged file block, and sending the packaged file block to the first client; and continuously obtaining the newly packaged file block, and sending the newly packaged file block to the first client until the live broadcast fragmented file is sent completely. After receiving the live broadcast content request of the first client, the network node can transmit the live broadcast content to the first client by transmitting the file blocks of the live broadcast fragmented file, that is, the content of the live broadcast fragmented file can be distributed in the generation process of the live broadcast fragmented file; and the live broadcast fragment file does not need to be transmitted to the first client after the whole live broadcast fragment file is completely generated, so that the end-to-end live broadcast time delay in the live broadcast process is greatly reduced.

Description

technical field [0001] The present invention relates to the technical field of video live broadcast, in particular to a live broadcast method, device, network node and storage medium. Background technique [0002] With the development of live broadcast technology and Internet live broadcast services, users can watch various live broadcast content anytime and anywhere. Usually, when a user watches live content, a content delivery network (Content Delivery Network, CDN) may transmit the live content to the client in the form of fragmented files. However, the end-to-end delay of the traditional transmission method is relatively high, and it is difficult to meet the user's requirements for live broadcast delay. Contents of the invention [0003] The present application provides a live broadcast method, device, network node and storage medium. [0004] In the first aspect, the embodiment of the present application provides a live broadcast method, including: [0005] Obtain ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/2187H04N21/2343H04N21/239H04N21/262H04N21/845
CPCH04N21/2187H04N21/2343H04N21/2393H04N21/262H04N21/8456
Inventor 王剑楠白雅贤
Owner ZTE CORP
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