Real-time receiving method and client of media stream
A real-time receiving and media streaming technology, applied to electrical components, transmission systems, etc., can solve the problems of increasing transmission delay and overhead of manifest files, blocking users from quickly accessing media clips, and failing to achieve optimal transmission, etc., to reduce transmission Overhead and processing overhead, reduced transmission delay and overhead, and improved transmission performance
Active Publication Date: 2020-11-03
BEIJING KAIGUANG INFOTECH CO LTD
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Problems solved by technology
[0006] Problem 1, the duration of the media segment cannot adapt to the dynamically changing network transmission
Since the transmission bandwidth and transmission delay on the Internet change dynamically, the pre-segmentation method with a fixed duration cannot achieve optimal transmission
[0007] Problem 2, the manifest file increases the transmission delay and overhead
However, since the manifest file needs to be transmitted to the client after a period of time, the manifest file obtained by the client does not reflect the current generation of the latest media fragments. In addition, when the manifest file encounters congestion or transmission errors, the user will be blocked Fast access to media segments, reducing delivery performance for live streaming
Method used
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[0046] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0047] In the Internet, it is often necessary to transmit various real-time audio streams, video streams or data streams from one network node to another. These network nodes include various terminals, such as PCs, mobile phones, tablets, and various A variety of application servers, such as video servers and audio servers, collectively refer to these audio streams, video streams or data streams as media streams. The transmission process of the media stream can be described by a general client-server model: the media stream gener...
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The present invention discloses a method for receiving media streams in real time and a client, wherein the method includes: sending a media segment request to a server, the media segment request does not carry or carry at least one control parameter, and the control parameter includes indicating the target media to be transmitted The first type of parameter of the stream and the second type of parameter indicating the candidate media unit to be transmitted; receiving the media segment fed back by the server, wherein the media segment is generated by the server according to the media segment request and encapsulated with the candidate media unit of the specified target media stream ; Analyzing the media segment, wherein the media unit is analyzed according to the media segment, and a receiving report of the media unit is generated; a request for a new media segment is generated according to the receiving report of the media unit. The method continuously sends media segment requests to the server, and controls the content and length of the media segment through the parameters carried in the request and the interval of sending the request, effectively reducing transmission delay and overhead, and improving the transmission performance of real-time media streams.
Description
technical field [0001] The invention relates to the technical field of digital information transmission, in particular to a method for receiving media streams in real time and a client. Background technique [0002] With the rapid development of the Internet, especially the mobile Internet, real-time transmission of multimedia data such as audio, video, and images through the Internet has become a basic requirement for many applications. In order to meet this requirement, various streaming media real-time transmission technologies have been proposed. Widely used mainly include three categories: Real-time transport protocol (RTP (Real-time Transport Protocol, real-time transport protocol) / RTSP (Real Time Streaming Protocol, real-time streaming protocol)), RTMP (Real Time Messaging Protocol, real-time messaging protocol) And HTTP (HyperText Transfer Protocol, hypertext transfer protocol) adaptive streaming HAS (HTTPAdaptive Streaming). Among them, HTTP adaptive streaming in...
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IPC IPC(8): H04L29/06
CPCH04L65/75H04L65/65H04L67/01
Inventor 姜红旗
Owner BEIJING KAIGUANG INFOTECH CO LTD