C. Lin, Huan Zhang, Jain-Shing Liu, Shih-Huang Chen
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引用次数: 4
摘要
目前，在线视频会议系统通常需要安装该应用软件。因此，该软件需要针对不同的操作系统(如Android、Windows和MacOS)开发副本版本。而基于web的视频会议系统是独立于操作系统的，可以节省开发成本。在本文中，我们使用WebRTC实现了基于web的视频会议解决方案[1]。它可以用浏览器开会和聊天。在网络视频会议中，每个成员彼此点对点地传输媒体流，而不是客户端-服务器集中式设计。并对媒体流进行加密，开发管理机制，对会议室人员的出入进行管理，实现安全的多方视频会议。我们还克服了媒体传输的点对点(P2P)网络NAT穿越。我们的解决方案包括四个主要特性:P2P Web NAT穿越、动态加入和离开、访问控制、动态视频分辨率调整。
Currently, the online video conference system usually needs to install this application software. Therefore, the software needs to be developed duplicate version for different operating systems (OS), e.g., Android, Windows and MacOS. However, web-based video conference system is OS independent so as to save development cost. In the paper, we present an implementation of a web-based video conference solution by using WebRTC [1]. It can be used for meeting and chat with a browser. Instead of client-server centralized design, in a cyber-video meeting, each member transmits media stream to each other peer-to-peer. Additionally, the media stream is encrypted, and a management mechanism is developed to manage the entry of conference room personnel and achieve a secure multi-party video conference. We also overcome peer-to-peer (P2P)web NAT traversal of media transmission. Our solution covers four main features: P2P Web NAT traversal, dynamic join and leave, access control, dynamic video resolution adjustment.
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