摘要
随着Internet技术的迅速发展,各种各样的网络多媒体应用层出不穷,其中以流媒体技术为背景的应用发展最为迅速,其目的在于缩短客户对多媒体数据回放的等待时间和为用户提供较好的服务质量,深受教育和视频监控行业的青睐。文中主要论述了流媒体技术、原理及其在网络上传送时所使用的RTP/RTCP协议,并与传统的TCP/IP传输协议进行了详细的比较,进一步阐明了RTP/RTCP协议所具有的优势。同时介绍了微软公司最新推出的基于COM技术的流媒体应用开发工具DirectShow,利用它可以大大缩短流媒体应用的开发周期。文中结合一个简单的例子说明了它一般的使用方法。
With the rapid development of Internet, there is more and more various applications based on multimedia on Internet, especially for applications of streaming-media technique. The main purpose is to reduce the time of playback and supply the better quality of service, causes greate interest in education and video surveillance. Describes the streaming-media technique, principles and the RTP/RTCP protocols when it is transported on the network , at the same time, compares with traditional TCP/IP protocols to make clear the advantages of RTP/RTCP. Simultaneously a toolkit developed by Microsoft Corporation called DirectShow which is based on COM technique is introduced, it can simplify the process of development. A simple example is to explain the method that how to use it.
出处
《计算机技术与发展》
2006年第2期145-147,共3页
Computer Technology and Development
