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Video live broadcast synchronization method and system

A live video and synchronization system technology, applied in the field of live video, can solve problems such as lack of SEI frames, difficulty in displaying and processing historical drawing board images, etc., to achieve the effect of reducing pressure and maintaining stability

Active Publication Date: 2021-10-22
GUANGZHOU YIFANG INFORMATION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in this traditional method, the viewing end that joins in the middle of the live broadcast will lack the corresponding SEI frame, which makes the display processing of the historical drawing board screen more difficult

Method used

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  • Video live broadcast synchronization method and system
  • Video live broadcast synchronization method and system
  • Video live broadcast synchronization method and system

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Embodiment Construction

[0060] In order to better understand the purpose, technical solution and technical effect of the present invention, the present invention will be further explained below in conjunction with the accompanying drawings and embodiments. At the same time, it is stated that the embodiments described below are only used to explain the present invention, and are not intended to limit the present invention.

[0061] An embodiment of the present invention provides a live video synchronization system.

[0062] figure 1 It is a schematic diagram of video transmission in a live video synchronization system of an embodiment, such as figure 1 As shown, the live video synchronization system includes a broadcasting terminal 1000 and a viewing terminal 1001 .

[0063] The broadcasting terminal 1000 transmits the video code stream to the viewing terminal 1001 to realize the live broadcast of the video image. In the application scenario of live video synchronization, the broadcasting terminal ...

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Abstract

The invention relates to a video live broadcast synchronization method and system, and the method comprises the steps: obtaining SEI enhancement information in a first video code stream sent by a broadcast end and second timestamp information in a second video code stream, obtaining the first timestamp information from the SEI enhancement information, building a time delay task according to the first timestamp information and the second timestamp information, and determining the display time of the target information according to the first timestamp information and / or the delay task. On the basis, the display time of the target information is determined through the first timestamp information and / or the delay task, so that the display synchronization of the first video code stream and the second video code stream is ensured, and the watching user added midway can see the target information at each historical moment. Meanwhile, the effect can be realized without adding extra supplementary information, the pressure of stream transmission is reduced, and the stability of the video stream format is kept.

Description

technical field [0001] The present invention relates to the technical field of live video, in particular to a method and system for synchronizing live video. Background technique [0002] With the development of information network technology, education has realized real-time or time-sharing distance education with the help of information network and related supporting technical equipment. Distance education mainly relies on the education platform to obtain and summarize teaching data, and each teaching terminal obtains teaching data through the teaching platform to complete the teaching, including video recording and broadcasting teaching or live video teaching. Relying on the development of cloud technology, distance education further reduces the setting limitations of education platforms and education terminals, including equipment limitations and user limitations. [0003] Live video teaching is an important part of distance education, especially in the application of c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N21/242H04N21/2187H04N21/236H04N21/43H04N21/434H04N21/4788
CPCH04N21/242H04N21/43076H04N21/23602H04N21/2187H04N21/4788H04N21/4342
Inventor 谢韵佳白剑黄海亮梁瑛玮张海林鲁和平李长杰陈焕然李乐王浩洪行健冷冬丁一
Owner GUANGZHOU YIFANG INFORMATION TECH CO LTD
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