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The Development of the Embedded Video Server Based on VxWorks

Author: ZhaoPeng
Tutor: HuPengFei
School: Southwest Jiaotong University
Course: Power Electronics and Electric Drive
Keywords: Embedded VxWorks MPEG-4 Video Compression Streaming Media Technology PowerPC
CLC: TP393
Type: Master's thesis
Year: 2005
Downloads: 370
Quote: 2
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Abstract


In recent years, with the rapid development of the Internet and multimedia technology , network technology , video technology combined could legitimately . In the area of surveillance technology to digitize , networked, intelligent direction development trend of Internet network remote video surveillance , analog video surveillance signal into a digital signal to the introduction of the Internet network , can be realized anytime monitoring function is no longer limited by distance and other factors . The core of the network video technology is a can be directly connected to the Ethernet video server , providing real-time image acquisition , compression and transmission functions . This article is based on the application requirements , developed a general-purpose embedded network video server . The research and development of the device is based on high - performance video compression chip and embedded PowerPC microprocessor hardware platform , embedded VxWorks operating system software platform , using advanced MPEG-4 video compression standard for real-time capture and compression built - in streaming media server functions can be directly attached to the Ethernet , has a very broad application prospects a convenient and low-cost real-time image acquisition and transmission equipment design . On the basis of this program , design and realization of the embedded network video server hardware platform and software platform based on embedded VxWorks and its realization process is a more detailed description of the following four aspects : ( 1 ) Introduction need to break through the three design embedded network video server technology , video compression technology, streaming media technology and embedded technology . ( 2 ) from the requirements of the system design , this paper introduces the working principle and hardware of the embedded network video server , and embedded PowerPC processor module and MPEG-4 video compression module is described in detail . (3) embedded VxWorks operating system board support package development methodology . ( 4) In order to enable users easy to manage embedded video on a remote network server , Web server functionality in embedded VxWorks operating system , which requires the Http network protocol in VxWorks . This paper introduces the Wind Web Server embedded Web server implementations .

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