Abstract

This article is devoted to development of an automated service for media content delivery network when adaptive online streaming on the Internet. This allows automatically adjusting of the amount of transmitted data per unit of time (bitrate) with changing in quality of requested media content accordingly. Consequently, the quality will be underestimated to those using low-bandwidth data channels, and vice versa, the content will be provided with highest possible quality for those connected to high-bandwidth communication channels. In this process, a user does not take any part: client video player itself determines which bitrate will optimally display the content to a particular user in order to avoid video buffering with the highest possible quality ensured. Switching between bitrates can occur continuously with a decrease/increase according to changes in quality of currently available bandwidth. In addition to adaptive video broadcast, the developed service allows transcoding of video streams on the fly. After receiving of input RTSP/RTMP stream, the network converts it to RTMP/HLS multi-bitrate, resulting in the generation of video streams of different quality which can be supported by both mobile devices and personal computers.

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