Streaming media audio and video synchronous playing method based on B/S architecture

Abstract

A streaming media audio and video synchronous playing method based on B / S architecture comprises the following steps that A, at a sending end, the index number of a corresponding audio packet is introduced into the head of an RTP data packet of each video frame; b, the client receives the streaming media audio and video packets from the server side, caches the received audio and video packets intoa cache region, and sorts and frames the received audio and video packets; c, when the first index number corresponds to the second index number, synchronous processing is carried out; and D, the above steps are repeated to decode and output the video frame and the audio packet which are subsequently stored in the cache region until playing is finished. The method is simple and easy to operate and low in cost, the packet loss condition is processed without depending on a timestamp, a good smooth transition effect is achieved through the second-level cache, meanwhile, the processing and playing delay is reduced, and the lip sound inconsistency phenomenon caused by audio and video asynchronization in a real-time audio and video monitoring system is effectively eliminated.

Description

technical field [0001] The invention relates to the field of streaming media, in particular to a method for synchronously playing audio and video based on a B / S architecture in a real-time audio and video monitoring system. Background technique [0002] Since entering the new century, China's security monitoring industry has made great progress. The rapid construction of smart cities and smart communities, and the emergence of a new generation of audio and video digital compression technology have greatly promoted the vigorous development of the security monitoring market. Network monitoring systems have been widely used in various fields. Whether it is public security agencies, or key units such as airports, railways, and banks, more and more high-quality security projects urgently need clear and realistic audio-visual synchronization monitoring systems. The field of audio monitoring has become a security A new bright spot in the industry. After the audio is added to the ...

AI Technical Summary

Problems solved by technology

[0008] Due to the complex factors of IP network transmission data, the above-mentioned streaming media playback process, the audio and video synchronization accuracy is not accurate, the random error is large, the synchronization effect is poor, and it is greatly affected by abnormal conditions. The phenomenon of "labial inconsistency"

[0009] In summary, the existing streaming media audio and video synchronization technology has inconvenience and defects in actual use, so it is necessary to improve it

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