Using the open source Linux code under General Public License ( GPL), an embedded MPEG-4 video server is designed and developed. Some methods implementing and optimizing the device driver and stream server on embedded Linux platform are introduced. 利用GPI(通用公共授权)的开源Linux代码,介绍了嵌入式MPEG-4视频服务器的设计和研制,阐述了在嵌入式Linux平台上设计、优化设备驱动程序和视频流媒体服务器的策略。