Study And Realize On Video Playback Technology Of Embedded Monitoring System

In recent years, with the organic combining with the Internet, and blended the information technique, the computer technique, the network technique and streaming media technique, the embedded digital video monitoring technique has become a development trend of the supervised and control realm. So, the research to the embedded digital video monitoring software technique has the vast applied foreground and huge social benefit and economic benefit.This thesis, which takes the development of the embedded network digital video monitoring system as its background, introduces the MPEG4 technique standards above all . The MPEG4 technique is code to moving image, and the coding objects are the audio and video of the image, which is called the AV object. Furthermore the assembled succession AV object can become the AV scene. So, the MPEG4 standard is coded, saved, transmitted, assembled to the AV object, and the AV object which is coded, organized, saved, transmitted high-efficiency is the MPEG4 standard's basic contents. In addition, the request of low band results in huge advantage in the network digital video monitoring realm. In order to realize standardization and generalize of the development of video software, presents the viewpoint of software repeated applied highly, in other words the extensive adoption COM module accomplished lots of function module such as filter. This paper, starting with the characteristic of video software, according to the requests of video saved and playback i n the video monitoring software development, has researched in streaming media and compared with the solution of streaming media, at the same time the characteristic and principle of the DirectShow system are analyzed. As a result, the DirectShow system is closed to design the playback. Eventually, because of success of the performance test, the feasibility...