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Method of inserting gasket in live broadcast stream

A technology of live streaming and shims, applied in image communication, selective content distribution, electrical components, etc., can solve the problems of reducing the quality of live streaming images and consuming resources.

Active Publication Date: 2021-03-26
央视国际网络无锡有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Therefore, the technical problem to be solved by the present invention is to overcome the defect in the prior art that inserting spacers in live broadcast consumes resources while reducing the picture quality of live stream, so as to provide a method for inserting spacers in live stream

Method used

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  • Method of inserting gasket in live broadcast stream

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Embodiment Construction

[0024] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0025] Some explanations in the text:

[0026] UDP (English: User Datagram Protocol): The full name of the UDP protocol is the User Datagram Protocol. In the network, it is used to process data packets like the TCP protocol. It is a connectionless protocol.

[0027] TS: The encapsulation format taken by Japanese high-definition cameras, the full name is MPEG2-TS.

[0028] Ffmpeg: A set of open source computer programs that can be used to record, convert, and stream digital audio and video.

[0029] API: (Application Programming Interface, application programming interface) is some pre-defined fun...

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Abstract

The invention relates to the technical field of computer multimedia information processing, in particular to a method for inserting a gasket in a live broadcast stream, and aims to solve the problem that the insertion of the gasket in the live broadcast consumes resources and reduces the picture quality of the live broadcast stream in the prior art. The technical key points are as follows: the system comprises a user interaction module, a stream switching module and a splicing module, the user interaction module is used for receiving a switching instruction of a user and sending the switchinginstruction to the stream switching module, and the stream switching module is responsible for analyzing a live broadcast stream coding parameter and controlling switching of a live broadcast stream and a gasket according to the switching instruction; the input of the stream switching module is a live broadcast source and a gasket file to be inserted, the output of the stream switching module is audp+ts packaged live broadcast stream, the udp+ts stream output by the stream switching module is spliced in the stream splicing module, the discontinuity of timestamps is corrected, and the stream splicing module is repackaged into a media stream format required by the downstream. According to the invention, transcoding is not required to be performed on the live broadcast source, only transcoding is required to be performed on the shim file, the picture quality of the live broadcast stream is not reduced, and the resource utilization rate is reduced.

Description

technical field [0001] The invention relates to the technical field of computer multimedia information processing, in particular to a method for inserting pads in a live stream. Background technique [0002] Inserting spacers in live broadcasting is usually divided into two scenarios, one is inserting on the player side, which generally requires custom development on the player side, and it is necessary to control when to stop playing live streams and when to start obtaining on-demand streams , when to switch back to live streaming. If the player belongs to a third party, this solution is not suitable. In this case, the shim file needs to be inserted into the live stream on the server side, spliced ​​into a live stream and sent to the player side, and the player side treats it as a live stream flow to process. The usual method of splicing the shim stream on the server is to encode the live stream and the shim into one format and then splicing and outputting. The disadvanta...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/2187H04N21/234H04N21/2343H04N21/44H04N21/4402
CPCH04N21/2187H04N21/23424H04N21/234309H04N21/234327H04N21/44016H04N21/440218H04N21/440227
Inventor 苏许臣朱立松黄建杰
Owner 央视国际网络无锡有限公司
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