摘要
近年来,视频监控系统得到了迅速的发展和广泛的应用,基于嵌入式技术的视频监控系统将是其发展的方向。对以ARM9芯片S3C2440A为核心处理器的嵌入式网络视频监控系统进行了研究和设计,介绍了系统的软硬件组成。对Linux操作系统进行了裁剪和移植,阐述了文件系统的构建过程。移植了H.264编码库。对视频采集/传输的应用程序进行了分析。实现了USB摄像头的视频采集,并采用H.264进行视频压缩,使用用户数据报协议将压缩后的的视频通过以太网传输到客户端。
In recent years, video monitoring system achieves high-speed development and wide application, and the video monitoring system based on embedded technology thus becomes a new development trend. With S3C2440A ARM9 chip as its core processor, the embedded network video monitoring system is studied and designed. The hardware and software compositor of the system is presented, the tailoring and transplantation of Linux operating system described, and the construction process of the file system also given in this paper. H. 264 encoding is also transplanted. The video capture/transmit application program is analyzed. USB camera video capture and video compression by H. 264 is realized. With user datagram protocol, the Compressed video is transferred through Ethernet to the client end.
出处
《通信技术》
2012年第7期110-112,共3页
Communications Technology
