HLS-based multi-scenario streaming media adaptive live broadcast method

A streaming media and adaptive technology, applied in the directions of image communication, selective content distribution, electrical components, etc., can solve the problems of incomplete live broadcast scenarios, no bandwidth adaptation, no consideration of multiple scenarios and adaptive streaming live broadcast technology, etc. To achieve the effect of bandwidth adaptation

Active Publication Date: 2013-10-16
XI AN JIAOTONG UNIV
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Problems solved by technology

[0007] According to the above-mentioned novelty check, the problem existing in the existing technology is that it does not consider multi-scenario and adaptive streaming live broa

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  • HLS-based multi-scenario streaming media adaptive live broadcast method
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  • HLS-based multi-scenario streaming media adaptive live broadcast method

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Embodiment Construction

[0014] The present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments.

[0015] as attached figure 1 As shown, the present invention is a multi-scene streaming media adaptive live broadcast method based on HLS. First, video, audio, and screen data need to be collected, and then the original data after collection is encoded, packaged and output screen media of different quality levels stream and a quality level of video media stream, slice and index the media stream, store the sliced ​​files and index files in the web server, and adopt a smooth bandwidth prediction method and a screen media stream priority The multi-scenario streaming media adaptive live broadcast method coordinates the client's play requests for multiple media streams, so that the client can realize adaptive live broadcast of video media streams and screen media streams.

[0016] The technical scheme of the present invention will be described in d...

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Abstract

The present invention provides an HLS-based multi-scenario streaming media adaptive live broadcast method. The method is used for performing synchronous adaptive live broadcast based on the HTTP Live Streaming protocol. In a live broadcast process, a server encodes screen data and audio data in real time and packages the data into screen media streams of different quality level, encodes audio data and video data and packages the data into video media streams of the same quality level, and carries out slicing on the screen media streams and the video media streams; and a client adopts a smooth bandwidth prediction method, predicts a real-time available bandwidth of the network based on unit HTTP/TCP throughput, and requires and transmits media code streams matched with the real-time available bandwidth of the network under the overall consideration of the real-time available bandwidth of the network, the size of the buffer, and the importance of the screen media streams and the video media streams. Thus, a screen media stream-first multi-scenario streaming media adaptive live broadcast method is realized.

Description

technical field [0001] The invention belongs to the field of multimedia live broadcast, relates to the fields of video and audio collection, encoding, fragmentation and playing, and in particular relates to an HLS-based multi-scene streaming media adaptive live broadcast method. Background technique [0002] The development of computer technology, the popularization of Internet and the rapid growth of network bandwidth have brought about the wide application of multimedia technology. At the same time, network education / distance education has also been generally accepted by people. It is beneficial to carry out online teaching by using the teacher's teaching process with the help of video and audio acquisition equipment and webcast technology. The retrieved following patents in the field of multimedia live broadcast related to the present invention are: [0003] 1. Chinese patent 201210012762.4, a method and system for realizing HLS client video live playback; [0004] 2. C...

Claims

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Application Information

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IPC IPC(8): H04N21/238H04N21/233H04N21/234H04N21/431
Inventor 郑庆华李斌陈小云赵辉张未展
Owner XI AN JIAOTONG UNIV
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