Method, system, electronic device and storage medium for time stamp uniform processing
A uniform processing and time stamp technology, applied in the field of media streaming, can solve problems such as uneven time stamps and abnormal playback on the player side
Active Publication Date: 2021-08-27
HANGZHOU XINGXI TECH CO LTD
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[0004] The embodiment of the present application provides a method, system, electronic device and storage medium for uniform processing of time stamps, so as to at least solve the problem in the related art that the time stamps carried by the audio and video frames in the media stream are not uniform, resulting in abnormal playback at the playback end. question
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[0041] In order to make the purpose, technical solutions and advantages of the present application clearer, the present application will be described and illustrated 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 application, and are not intended to limit the present application. Based on the embodiments provided in the present application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application. In addition, it can also be understood that although such development efforts may be complex and lengthy, for those of ordinary skill in the art relevant to the content disclosed in this application, the technology disclosed in this application Some design, manufacturing or production changes based on the content are just conventional technical means, and...
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The present application relates to a method, system, electronic device, and storage medium for uniform processing of time stamps. By acquiring media streams, the difference between the current media frame time stamp and the previous media frame time stamp in the media stream, and the difference Upper and lower limit range, when the difference is within the upper and lower limit range, output the current media frame timestamp, if not, get the standard media frame interval of the media stream, update the current media frame timestamp to the previous media frame timestamp and standard The sum of media frame intervals; when the difference is greater than the standard media frame interval, the updated current media frame timestamp is forward compensated according to the compensation coefficient; when it is smaller, the updated current media frame timestamp is reversed according to the compensation coefficient Direction compensation; output the compensated target time stamp of the current media frame, which solves the problem of uneven time stamps of audio and video frames and abnormal playback on the player side. It also balances the cumulative error through forward compensation and reverse compensation to prevent the cumulative error from accumulating. bigger.
Description
technical field [0001] The present application relates to the technical field of media streams, and in particular to a method, system, electronic device and storage medium for timestamp uniform processing. Background technique [0002] Internet live broadcast adopts real-time streaming transmission technology. First, the anchor starts the live broadcast, encodes and compresses the live broadcast content, and transmits it to the website server. This process is called "push streaming", that is, the video content is pushed to the server, and the live broadcast content is transmitted to the website. After the server, when users watch the live broadcast, they will directly pull the live broadcast content from the website server. This process is called "pull stream". After pulling the stream to obtain the corresponding media stream, it can be decoded and played locally. The decoding and playback process will depend on the timestamps carried by the audio and video frames in the med...
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IPC IPC(8): H04N21/236H04N21/434H04N21/8547
CPCH04N21/23608H04N21/4344H04N21/8547
Inventor 程文波葛天杰孟环宇张林
Owner HANGZHOU XINGXI TECH CO LTD