说明：  直播视频采集端程序. 用as3写的视频采集工具，将直播视频发布到fms服务器。可以采集最多四路视频。video.xml设置发布服务器地址，采集哪几路，每路视频的发布名称。以及一些相关设置。 如果到fms的connection断了，本工具还能够主动建立连接，继续采集视频。做到无人值守。
(Live video capture client procedures. Use AS3 to write the video capture tool that will be broadcast live video posted to the fms server. Can collect a maximum of four video. Set video.xml publishing server address, which collected the way, each video release of the name. As well as some related settings. If the connection to the fms broken, the tool also can take the initiative to establish a connection and continue to capture video. Be unmanned.)