A method for inserting shims in a live 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: 2022-07-15
央视国际网络无锡有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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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

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  • A method for inserting shims in a live stream
  • A method for inserting shims in a live stream
  • A method for inserting shims in a live stream

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Embodiment Construction

[0024] In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but 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, and it is a connectionless protocol.

[0027] TS: The encapsulation format under the shooting of 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 digital audio and video, and convert them into streams.

[0029] API: (Application Programming Interface, application p...

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Abstract

The invention relates to the technical field of computer multimedia information processing, in particular to a method for inserting spacers in a live stream, and aims to solve the problem in the prior art that inserting spacers in a live stream consumes resources and reduces the picture quality of the live stream. The technical point is: it includes a user interaction module, a stream switching module and a splicing module, wherein the user interaction module is used to receive the user's switching instruction and send it to the stream switching module, and the stream switching module is responsible for parsing the encoding parameters of the live stream and controlling the live broadcast according to the switching instruction. Switching between streams and shims, its input is the live source and the shim file to be inserted, and the output is the live stream encapsulated by udp+ts. In the stream splicing module, the udp+ts stream output by the stream switching module is spliced, Fix the time stamp discontinuity and re-encapsulate it into the media stream format required by the downstream. There is no need to transcode the live source, only the shim file needs to be transcoded, which will not reduce the picture quality of the live stream and reduce the resource usage.

Description

technical field [0001] The invention relates to the technical field of computer multimedia information processing, in particular to a method for inserting spacers in a live stream. Background technique [0002] Inserting pads in live broadcasts is usually divided into two scenarios. One is inserting on the player side, which generally requires custom development on the player side. It is necessary to control when to stop playing the live stream and when to start acquiring the on-demand stream. , 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 stream to process. The usual practice of splicing shim streams on the server side is to uniformly encode the live stream and shims into one format and then splicing and outputting t...

Claims

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Application Information

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Patent Type & Authority Patents(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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