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This paper introduces the design and implementation of a FFMPEG-based stream analysis system. The system supports real-time analysis of media data from a variety type of transmission protocols, media container formats and video / audio coding standards. The system breaks through the limitation of traditional stream analysis system that only supports a specific data format, and is more suitable for...
Along with the prosperity of streaming media business such as OTT (Over the Top) and Live Social Video Broadcasting Platform in recent years, the research on the streaming media processing technique has become a hot issue. This paper makes comprehensive specification of the RTMP (Real Time Message Protocol) in Adobe's Flash streaming media system, and introduces the implementation of software that...
An objective quality assessment method for H.264 high definition (HD) video streams in the compressed domain is presented in this paper. Based on the H.264 open-source codec project JM12.4, we design an efficient system to extract two video features as the input vectors without fully decoding the videos. These features are analyzed by Least Squares method. Fourteen HD sequences coded at four kinds...
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