| 基于RTP的实时视频传输系统 |
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| 引用本文： | 许华荣,李名世. 基于RTP的实时视频传输系统[J]. 计算机工程与设计, 2005, 26(4): 876-878 |
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| 作者姓名： | 许华荣 李名世 |
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| 作者单位： | 福建师范大学,福清分校,福建,福清,350300;厦门大学,物理系,福建,厦门,361005;厦门大学,计算机科学系,福建,厦门,361005 |
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| 基金项目： | 国家973重点基础研究发展规划基金项目(G199803040803) |
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| 摘 要： | 实时视频流技术在可视电话、远程教育、视频点播等方面得到广泛应用。网络实时视频系统一般分为4大模块：采集子系统、编码压缩子系统、传输控制子系统和输出子系统。其中传输控制子系统是实时视频流的一项关键核心技术。提出了基于RTP／RTCP协议构建实时视频传输控制子系统，传输层通信使用UDP Socket完成。对于RTP／RTCP协议的封装和UDP Socket使用标准C 和Berkeley标准Socket库完成，不依赖于具体的平台，具有良好的可移植性。
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| 关 键 词： | 实时视频流 RTP 传输控制系统 |
| 文章编号： | 1000-7024(2005)04-0876-03 |
Real-time video transmission subsystem based on RTP |
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| XU Hua-rong,LI Ming-shi. Real-time video transmission subsystem based on RTP[J]. Computer Engineering and Design, 2005, 26(4): 876-878 |
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| Authors: | XU Hua-rong LI Ming-shi |
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| Affiliation: | XU Hua-rong 1,2,LI Ming-shi 3 |
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| Abstract: | Thereal-time video streams technology is used widely in such aspects as videophone, distance education andvideo on demand. The network real-time video system is generally divided into 4big modules: capturing subsystem, compressed coding subsystem, trans- mission and controlling subsystem and output subsystem. Among them transmission and controlling subsystem is the key technology of real-time video streams. How to built transmission and controlling subsystem is proposed based on RTP/RTCP agreement, and UDP socket is utilized to realize the communication between transport layers. Standard C++ and berkeley standard socket storehouse are used to finish the encapsulation of RTP/RTCP agreement and UDP socket. This subsystem does not depend on the concrete platform so it has good portability. |
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| Keywords: | real-time video streams RTP transmission controlling system |
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