2.利用Helix Server提供的辅助工具"SLTA",将流媒体文件以数据流的形式发送给Helix Server.
3.用户单击wen连接时,Helix Server将接收到的数据流发送给用户.用户看到的是事先制作好的流媒体文件,就像是日常生活中通过电视收看故事片一样.
二、Linux环境下安装配置
HelixServer安装[root@localhost data]# lsDistributedLicensing.lic  HelixServer  ISP-Hosting.lic  setup.tar.gz[root@localhost data]# tar -zxvf setup.tar.gz    #解压HelixServer Unlimited 11helix-server-retail-11.01-rhel4-setup.bin[root@localhost data]# lsDistributedLicensing.lic  helix-server-retail-11.01-rhel4-setup.bin  setup.tar.gzHelixServer               ISP-Hosting.lic[root@localhost data]# chmod 700 helix-server-retail-11.01-rhel4-setup.bin   # 添加执行权限[root@localhost data]# ./helix-server-retail-11.01-rhel4-setup.bin #安装HelixServer Unlimited 11Extracting files for Helix installation........................Welcome to the Helix Server 11.0 (11.0.1.1884) Setup for UNIXSetup will help you get Helix Server running on your computer.Press [Enter] to continue...If a Helix Server license key file has been sent to you,please enter its directory path below. If you have notreceived a Helix Server license key file, then this serverWILL NOT OPERATE until a license key file is placed inthe servers License directory.  Please obtain a freeBasic Helix Server license or purchase a commercial licensefrom our website at http://www.real.com/.  If you needfurther assistance, please visit our on-line support areaat http://service.real.com/.License Key File: []:   #添加许可证文件 此步先确认，等HelixServer安装完毕之后再添加文件 。Installation and use of Helix Server requiresacceptance of the following terms and conditions:Press [Enter] to display the license text...  #列出许可协议REALNETWORKS, INC.END USER LICENSE AGREEMENTHELIX(tm) BASIC SERVER FROMREALNETWORKS(r)redisTRIBUTION NOT PERMITTEDSoftware License for Helix(tm) BasicServer from RealNetworks(r)IMPORTANT -- READ CAREFULLY: ThisRealNetworks License Agreement ("LicenseAgreement") is a legal agreement betweenyou (either an individual or an entity)and RealNetworks, Inc. and its suppliersand licensors (collectively "RN") forRNs Helix Basic Server, which includescomputer software and associated mediaand printed materials, whether providedin physical form or received on-line inelectronic form ("Software").  You mayinstall only ONE copy of the Software.By choosing "Accept," installing,copying or otherwise using the Software,you agree to be bound by the terms ofthis License Agreement.  If you do notagree to the terms of this License--More--(4%)Choose "Accept" to accept the terms of thislicense agreement and continue with Helix Server setup.If you do not accept these terms, enter "No"and installation of Helix Server will be cancelled.I accept the above license: [Accept]:     #回车，接受许可协议Enter the complete path to the directory where you wantHelix Server to be installed.  You must specify the fullpathname of the directory and have write privileges tothe chosen directory.Directory:  [/data]: /data/HelixServer    #输入安装目录Please enter a username and password that you will useto access the web-based Helix Server Administrator and monitor.Username []: admin         #输入web登录管理员名称Password []:                   # 输入web登录管理员密码Confirm Password []:       #再次输入登录管理员密码Please enter a port on which Helix Server will listen forRTSP connections.  These connections have URLs that beginwith "rtsp://"Port [554]:            #设置RTSP连接端口，保持默认 。Please enter a port on which Helix Server will listen forHTTP connections.  These connections have URLs that beginwith "http://"Port [80]: 8088     #设置HTTP连接端口，为避免和Apache冲突,建议更改 。Please enter a port on which Helix Server will listen forMMS connections.  These connections have URLs that beginwith "mms://"Port [1755]:         #设置MMS连接端口，保持默认 。Helix Server will listen for Administrator requests on theport shown.  This port has been initialized to a random valuefor security.  Please verify now that this pre-assigned portwill not interfere with ports already in use on your system;you can change it if necessary.Port [27465]: 10000         #设置HelixServer远程管理端口，建议更改以便记忆 。You have selected the following Helix Server configuration:Admin User/Password:    admin/****Encoder User/Password:  admin/****Monitor Password:       ****RTSP Port:              554HTTP Port:              8088MMS Port:               1755Admin Port:             10000Destination:            /data/HelixServerEnter [F]inish to begin copying files, or [P]revious to go