摘要
设计并实现了一款嵌入式实时视频服务器,该服务器是基于PXA-255处理器芯片,利用AVS_M编码技术和RTP/RTCP传输协议进行视频采集、编码和传输。介绍了多种方法在代码实现层次上分别对AVS_M编码算法和系统进行优化。实验结果表明,经过优化之后AVS_M的编码速度有了较明显的提高,能够达到实时性的要求,通过网络传输在客户端能得到较清晰的图像,可以满足视频应用的需要。
A real-time video server is designed and realized, which is based on the platform of PXA-255, adopted AVSM video coding technology and RTP/RTCP transfer protocol to achieve the video capture, coding and transmission. Introduced many ways to optimize the AVS_M coding algorithms and system. The experiment shows that AVS_M, after optimized, could process real-time video compression, transmited it by network, and then client would achieve more stable and clear image and met the needs of video application.
出处
《计算机工程与设计》
CSCD
北大核心
2009年第18期4184-4187,共4页
Computer Engineering and Design
