High-performance media on-demand server and on-demand service method based on flv file

Abstract

The invention relates to a high-performance media on-demand server based on an flv file, characterized in that the high-performance media on-demand server comprises an event processor, a client session module, a demultiplexer, a stream distribution component, a file management module, an flv parsing module and a media server management module. According to the scheme of the invention, an flv mediadata stream to be distributed is provided to a network terminal in the form of http, compared with mp4 and ts media file formats, the flv media file is more streamlined, and in a live broadcast environment, the file structure itself cannot cause delay; and meanwhile, with the help of the user amount of the adobe flash player, the live broadcast services and on-demand services in many occasions ona PC side can be quickly occupied, and the spread of products can be greatly facilitated.

Description

technical field [0001] The invention relates to the field of computer technology, in particular to a high-performance media on-demand server and an on-demand service method based on flv (FLASH VIDEO, streaming media format) files. Background technique [0002] At present, the main media formats available for VOD are: mp4 (Moving Picture Experts Group4), ts (Transport Stream), flv, etc. Generally speaking, some media files are on-demand through the network environment, which is mainly implemented in the form of http (HyperText Transfer Protocol, hypertext transfer protocol) streaming download. [0003] First of all, although mp4 media files can be used as video-on-demand, due to the limited file organization structure, it is impossible to generate media streams for playback in real time, and can only be generated by certain slices, which means that when it is used as a live broadcast, it will be affected by slices. The length of time causes it to have a higher delay. The vi...

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Problems solved by technology

[0003] First of all, although mp4 media files can be used as video-on-demand, due to the limited file organization structure, it is impossible to generate media streams for playback in real time, and can only be generated by certain slices, which means that when it is used as a live broadcast, it will be affected by slices. duration, resulting in a higher delay

The video-on-demand service is often just a function of the media server. For the media server, there are other requirements, such as live broadcast. When the media server uses mp4 for on-demand, subsequent live broadcast support, mp4 will limit Real-time performance of the media server

[0004] Secondly, the ts media file is used as a media on-demand application. The existing mainstream solution is hls (HTTP LiveStreaming), that is, the http-ts solution. Because it is similar to mp4, it provides on-demand services by slicing files. It is doing live service support At the same time, the real-time performance of the media server will also be limited due to slicing. Although the ts file can be cut small enough to reduce the delay, since the ts file is described by a fixed 188 bytes, it means that it has a related fixed header. Certain information redundancy

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