公司最近要在系统中加视频会议的功能,让我探索,我选择了最流行的red5来实现,网上有一对一聊天的demo,找不到多对多聊天的,也没有具体介绍系统搭建的过程,我通过自己的摸索,将实现的过程和大家一起分享。java的web项目添加flex支持在此不再详述,项目文件结构如图:
web.xml文件:
<?xml version="1.0" encoding="UTF-8"?> <web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> <!-- ** For use with servlet v2.5 replace the lines above with these version="2.5" xmlns="http://java.sun.com/xml/ns/javaee" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" --> <display-name>Red5ChartRoom</display-name> <context-param> <param-name>globalScope</param-name> <param-value>default</param-value> </context-param> <context-param> <param-name>parentContextKey</param-name> <param-value>default.context</param-value> </context-param> <context-param> <param-name>webAppRootKey</param-name> <param-value>@webapp.root.key@</param-value> </context-param> <context-param> <param-name>contextConfigLocation</param-name> <param-value>WEB-INF/classes/*-web.xml</param-value> </context-param> <listener> <listener-class>org.red5.server.war.WarLoaderServlet</listener-class> </listener> <listener> <listener-class>org.springframework.web.context.request.RequestContextListener</listener-class> </listener> <servlet> <servlet-name>gateway</servlet-name> <servlet-class>org.red5.server.net.servlet.AMFGatewayServlet</servlet-class> <load-on-startup>1</load-on-startup> </servlet> <servlet> <servlet-name>rtmpt</servlet-name> <servlet-class>org.red5.server.net.rtmpt.RTMPTServlet</servlet-class> <load-on-startup>2</load-on-startup> </servlet> <!-- MessageBroker Servlet --> <servlet> <display-name>MessageBrokerServlet</display-name> <servlet-name>MessageBrokerServlet</servlet-name> <servlet-class>flex.messaging.MessageBrokerServlet</servlet-class> <init-param> <param-name>services.configuration.file</param-name> <param-value>/WEB-INF/flex/services-config.xml</param-value> </init-param> <load-on-startup>11</load-on-startup> </servlet> <servlet-mapping> <servlet-name>gateway</servlet-name> <url-pattern>/gateway</url-pattern> </servlet-mapping> <servlet-mapping> <servlet-name>rtmpt</servlet-name> <url-pattern>/fcs/*</url-pattern> </servlet-mapping> <servlet-mapping> <servlet-name>rtmpt</servlet-name> <url-pattern>/open/*</url-pattern> </servlet-mapping> <servlet-mapping> <servlet-name>rtmpt</servlet-name> <url-pattern>/idle/*</url-pattern> </servlet-mapping> <servlet-mapping> <servlet-name>rtmpt</servlet-name> <url-pattern>/send/*</url-pattern> </servlet-mapping> <servlet-mapping> <servlet-name>rtmpt</servlet-name> <url-pattern>/close/*</url-pattern> </servlet-mapping> <servlet-mapping> <servlet-name>MessageBrokerServlet</servlet-name> <url-pattern>/messagebroker/*</url-pattern> </servlet-mapping> <welcome-file-list> <welcome-file>login.html</welcome-file> <welcome-file>index.html</welcome-file> <welcome-file>index.htm</welcome-file> </welcome-file-list> <security-constraint> <web-resource-collection> <web-resource-name>Forbidden</web-resource-name> <url-pattern>/WEB-INF/*</url-pattern> </web-resource-collection> <auth-constraint /> </security-constraint> <security-constraint> <web-resource-collection> <web-resource-name>Forbidden</web-resource-name> <url-pattern>/persistence/*</url-pattern> </web-resource-collection> <auth-constraint /> </security-constraint> <security-constraint> <web-resource-collection> <web-resource-name>Forbidden</web-resource-name> <url-pattern>/streams/*</url-pattern> </web-resource-collection> <auth-constraint /> </security-constraint> </web-app>
red5ChartRoom-web.xml
<?xml version="1.0" encoding="UTF-8"?> <beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:lang="http://www.springframework.org/schema/lang" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd http://www.springframework.org/schema/lang http://www.springframework.org/schema/lang/spring-lang-3.0.xsd"> <bean id="web.context.chatroom" class="org.red5.server.Context"> <property name="scopeResolver" ref="red5.scopeResolver"></property> <property name="clientRegistry" ref="global.clientRegistry"/> <property name="serviceInvoker" ref="global.serviceInvoker"/> <property name="mappingStrategy" ref="global.mappingStrategy"/> </bean> <bean id="web.scope" class="org.red5.server.WebScope" init-method="register"> <property name="server" ref="red5.server"/> <property name="parent" ref="global.scope"/> <property name="context" ref="web.context.chatroom"/> <property name="handler" ref="web.handler.chatroom"/> <property name="contextPath" value="/Red5ChatRoom"/> <property name="virtualHosts" value="*,localhost,localhost:8080,127.0.0.1:8080"/> </bean> <bean id="web.handler.chatroom" class="com.chinahrt.chat.VedioChatApplication"/> </beans>
red5.properties
# Socket policy policy.host=0.0.0.0 policy.port=843 # HTTP http.host=0.0.0.0 http.port=5080 https.port=8443 # RTMP rtmp.host=0.0.0.0 rtmp.port=1935 rtmp.io_threads=16 rtmp.connect_threads=4 rtmp.send_buffer_size=271360 rtmp.receive_buffer_size=65536 rtmp.ping_interval=1000 rtmp.max_inactivity=60000 rtmp.tcp_nodelay=true # RTMPS rtmps.host=0.0.0.0 rtmps.port=8443 rtmps.ping_interval=5000 rtmps.max_inactivity=60000 rtmps.max_keep_alive_requests=-1 rtmps.max_threads=20 rtmps.acceptor_thread_count=2 rtmps.processor_cache=20 # RTMPS Keystore Password rtmps.keystorepass=password # RTMPT rtmpt.host=0.0.0.0 rtmpt.port=8088 rtmpt.ping_interval=5000 rtmpt.max_inactivity=60000 rtmpt.max_keep_alive_requests=-1 rtmpt.max_threads=20 rtmpt.acceptor_thread_count=2 rtmpt.processor_cache=20 # MRTMP mrtmp.host=0.0.0.0 mrtmp.server=localhost mrtmp.port=9035 mrtmp.event_threads_core=4 mrtmp.event_threads_max=32 # event threads queue: -1 unbounded, 0 direct (no queue), n bounded queue mrtmp.event_threads_queue=0 mrtmp.event_threads_keepalive=60 mrtmp.send_buffer_size=271360 mrtmp.receive_buffer_size=65536 mrtmp.ping_interval=5000 mrtmp.max_inactivity=60000 mrtmp.tcp_nodelay=true # Debug proxy (needs to be activated in red5-core.xml) proxy.source_host=127.0.0.1 proxy.source_port=1936 proxy.destination_host=127.0.0.1 proxy.destination_port=1935 # JMX jmx.rmi.port.registry=9999 jmx.rmi.port.remoteobjects= jmx.rmi.host=127.0.0.1 jmx.rmi.ssl=false red5.config_root=red5.config_root red5.root=E\:apache-tomcat-6.0.33
java代码
package com.chinahrt.chat; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; import java.util.Set; import org.python.antlr.PythonParser.return_stmt_return; import org.red5.server.adapter.ApplicationAdapter; import org.red5.server.api.IConnection; import org.red5.server.api.IScope; import org.red5.server.api.Red5; import org.red5.server.api.service.IServiceCapableConnection; import org.red5.server.api.so.ISharedObject; import org.red5.server.api.stream.IBroadcastStream; /** * createBy ZYN * * createTime 2011-9-16 下午03:33:15 * * desc 视频聊天服务器 * */ public class VedioChatApplication extends ApplicationAdapter { private IScope appScope; private String userName; //共享存贮在线用户 private ISharedObject listSO; private Map<String,IConnection> onlineList = new HashMap<String,IConnection> ();//在线用户表 //程序运行 //程序运行时志向 public boolean appStart(IScope app) { if (!super.appStart(app)) { return false; } appScope = app; return true; } @Override public boolean appConnect(IConnection arg0, Object[] arg1) { /** * 用户首次连接server 时触发,检查用户是否重复登录,将用户添加到在线用户表中 */ String userId=arg0.getClient().getId(); if(!super.appConnect(arg0, arg1)){ return false; } if (arg1 != null ) { userName = (String) arg1[0]; } if(onlineList.get(userName) != null){ rejectClient("请不要重复登录"); return false; } onlineList.put(userName, arg0); listSO = getSharedObject(appScope, "listSO", false); listSO.setAttribute(userId, userName); System.out.println("The user:"+userName+","+userName+" logined successfully"); return true; } /** * 通知所有人当前用户登录 * @param params */ public void getOnloadUser(Object[] params) { String clientName = params[0].toString(); if(null == clientName || "".equals(clientName)) { return ; } //给所有客户端数据 IScope scope = Red5.getConnectionLocal().getScope(); Iterator it = scope.getConnections().iterator(); for (;it.hasNext();) { Set connections = (Set)it.next(); IConnection tempConn = (IConnection)connections.iterator().next(); if (tempConn instanceof IServiceCapableConnection) { IServiceCapableConnection sc = (IServiceCapableConnection) tempConn; sc.invoke("result_getOnloadUser", new Object[]{clientName}); } } } //聊天 public void sayToAll(Object[] params) { IConnection conn = Red5.getConnectionLocal(); String user_id = conn.getClient().getId(); String clientName =(String) listSO.getAttribute(user_id); System.out.println("************发言者是:"+clientName); String sayToName=params[0]==null?"":params[0].toString().trim(); String sayWhat=params[1]==null?"":params[1].toString().trim(); if("".equals(sayToName)||"All".equals(sayToName))// 发消息给聊天室的所有人. { IScope scope = Red5.getConnectionLocal().getScope(); Iterator it = scope.getConnections().iterator(); for (;it.hasNext();) { Set connections = (Set)it.next(); IConnection tempConn = (IConnection)connections.iterator().next(); if (tempConn instanceof IServiceCapableConnection) { IServiceCapableConnection sc = (IServiceCapableConnection) tempConn; // 调用客户端showMessage方法。 sc.invoke("showMessage", new Object[]{clientName+" to All:"+sayWhat}); } } }else{ IConnection tempConn=onlineList.get(sayToName); if (tempConn instanceof IServiceCapableConnection) { IServiceCapableConnection sc = (IServiceCapableConnection) tempConn; sc.invoke("showMessage", new Object[]{clientName+" to "+sayToName+":"+sayWhat}); } IServiceCapableConnection sc = (IServiceCapableConnection) conn; sc.invoke("showMessage", new Object[]{clientName+" to "+sayToName+":"+sayWhat}); } } // 用户断开连接的时候触发 public void appDisconnect(IConnection conn) { String dis_user_id = conn.getClient().getId(); String user = (String) listSO.getAttribute(dis_user_id); // 根据ID删除对应在线纪录 onlineList.remove(user); // 删除用户列表共享对象的对应属性 listSO.removeAttribute(dis_user_id); IScope scope = Red5.getConnectionLocal().getScope(); Iterator it = scope.getConnections().iterator(); for (;it.hasNext();) { Set connections = (Set)it.next(); IConnection tempConn = (IConnection)connections.iterator().next(); if (tempConn instanceof IServiceCapableConnection) { IServiceCapableConnection sc = (IServiceCapableConnection) tempConn; // 服务器端调用客户端flash方法。 sc.invoke("disconnectMessage", new Object[]{user}); } } } }
flex端代码
<?xml version="1.0" encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute"> <mx:Script> <![CDATA[ import mx.collections.ArrayCollection; import mx.containers.HBox; import mx.controls.Alert; private var listSO:SharedObject; private var userArr:Array; private var conn:NetConnection; private var localUsername:String; [Bindable] private var cam:Camera; [Bindable] private var mic:Microphone; [Bindable] public var cards:ArrayCollection; public var videoUsers:Array; [Bindable] public var videoControlArr:Array; private var stm:NetStream; [Bindable] private var video_self:Video; protected function login(event:MouseEvent):void { localUsername = txt_name.text; if(localUsername== ""){ Alert.show("用户名不能为空"); }else{ if(conn == null){ conn = new NetConnection(); conn.client = this; conn.addEventListener(NetStatusEvent.NET_STATUS,_statusHandler); conn.connect("rtmp://192.168.1.61/Red5ChatRoom",localUsername); } } } //状态监听 private function _statusHandler(evt:NetStatusEvent):void { if(evt.info.code == "NetConnection.Connect.Success"){ this.currentState = "chat"; Alert.show("连接成功"); video_clickHandler(); this.showJoinInInfo(localUsername); _setListSO(); } if(evt.info.code == "NetConnection.Connect.Failed"){ Alert.show("连接失败"); } if(evt.info.code == "NetConnection.Connect.Closed"){ Alert.show("连接关闭"); } } public function showJoinInInfo(message:String):void { conn.call("getOnloadUser",null,message); } public function result_getOnloadUser(str:String):void{ txt_chatmsg.text += str + "加入聊天室" + "\n"; } //创建用户列表共享对象 private function _setListSO():void { listSO = SharedObject.getRemote("listSO",conn.uri,false); listSO.connect(conn); listSO.addEventListener(SyncEvent.SYNC,_listSOSyncHandler); } //用户列表共享对象被更新之后的事件 private function _listSOSyncHandler(evt:SyncEvent):void{ _showUserList();//更新用户列表 } private function _showUserList():void { cards = new ArrayCollection( [{label:"All"}] ); userArr = new Array(); //用户数组更新 for(var tmp:String in listSO.data){ userArr.push(listSO.data[tmp]); } //添加到arrayCollection for(var i:int = 0; i<userArr.length;i++){ cards.addItem({label:userArr[i]}); } //将数组添加到列表数组中显示出来 userList.dataProvider = cards; users.dataProvider = cards; addVideo(cards); } public function showMessage(message:String):void { txt_chatmsg.text += message + "\n"; } protected function sendMessage(event:MouseEvent):void { var sendString:String = txt_yousay.text; var sendTo:String = userList.selectedItem.label; txt_yousay.text = ""; conn.call("sayToAll",null,sendTo,sendString); } //断线通知 public function disconnectMessage(disUser:String):void { txt_chatmsg.text += disUser+"退出聊天室\n"; } //进入视频会议 public function video_clickHandler():void { stm = new NetStream(conn); cam = Camera.getCamera(); if(cam==null){ Alert.show("没有可以使用的摄像头"); return; }else{ Security.showSettings(SecurityPanel.PRIVACY); cam.addEventListener(StatusEvent.STATUS,statusHandler); cam.addEventListener(ActivityEvent.ACTIVITY,activityHandler); cam.setLoopback(true); cam.setMotionLevel(50,100); cam.setMode(1280,960,15,true); stm.attachCamera(cam); } mic = Microphone.getMicrophone(); mic.addEventListener(StatusEvent.STATUS,micOnstatu); if(mic == null){ Alert.show("没有可以使用的麦克风"); }else{ mic.setUseEchoSuppression(true); stm.attachAudio(mic); } stm.play("chinahrt-"+txt_name.text); stm.publish("chinahrt-"+txt_name.text,"live"); video_self = new Video(); video_self.width = 320; video_self.height = 240; video_self.attachCamera(cam); my_video.addChild(video_self); } private function micOnstatu(e:StatusEvent):void { mic.setLoopBack(true); mic.gain = 66; mic.rate = 11; mic.setUseEchoSuppression(true); mic.setSilenceLevel(1,-1); } private function statusHandler(e:StatusEvent):void { } private function activityHandler(e:ActivityEvent):void { } private function addVideo(cards:ArrayCollection):void { label1.text = "我的("+localUsername+")"; myBox.removeAllChildren(); var otherPerson:ArrayCollection = new ArrayCollection(); for(var i:int=0;i<cards.length;i++){ var o:Object = cards.getItemAt(i); if(o["label"]!=localUsername&&o["label"]!="All"){ otherPerson.addItem(o); } } // Alert.show(otherPerson.length+""); var yushu:int = 0; var yushu:int= otherPerson.length%3; var rowNum:int = 0; var rowNum:int = otherPerson.length/3; if(yushu!=0){ rowNum += 1; } if(yushu==0){ for(var i:int=0;i<rowNum;i++){ var hbox:HBox = new HBox(); myBox.addChild(hbox); for(var ii:int=0;ii<3;ii++){ var vbox:VBox = new VBox(); hbox.addChild(vbox); var label:Label = new Label; label.text = otherPerson.getItemAt(i*3+ii)["label"]; vbox.addChild(label); var videoDisplay:VideoDisplay = new VideoDisplay(); videoDisplay.live = true; videoDisplay.width = 320; videoDisplay.height = 240; vbox.addChild(videoDisplay); var video:Video = new Video(); video.width = 320; video.height = 240; var netStream:NetStream = new NetStream(conn); video.attachNetStream(netStream); netStream.play("chinahrt-"+label.text); videoDisplay.addChild(video); } } }else{ for(var i:int=0;i<rowNum-1;i++){ var hbox:HBox = new HBox(); myBox.addChild(hbox); for(var ii:int=0;ii<3;ii++){ var vbox:VBox = new VBox(); hbox.addChild(vbox); var label:Label = new Label; label.text = otherPerson.getItemAt(i*3+ii)["label"]; vbox.addChild(label); var videoDisplay:VideoDisplay = new VideoDisplay(); videoDisplay.live = true; videoDisplay.width = 320; videoDisplay.height = 240; vbox.addChild(videoDisplay); var video:Video = new Video(); video.width = 320; video.height = 240; var netStream:NetStream = new NetStream(conn); video.attachNetStream(netStream); netStream.play("chinahrt-"+label.text); videoDisplay.addChild(video); } } var hbox:HBox = new HBox(); myBox.addChild(hbox); for(var i:int=0;i<yushu;i++){ var vbox:VBox = new VBox(); hbox.addChild(vbox); // myBox.addChild(vbox); var label:Label = new Label(); label.text = otherPerson.getItemAt((rowNum-1)*3+i)["label"]; vbox.addChild(label); var videoDisplay:VideoDisplay = new VideoDisplay(); videoDisplay.live = true; videoDisplay.width = 320; videoDisplay.height = 240; vbox.addChild(videoDisplay); var video:Video = new Video(); video.width = 320; video.height = 240; var netStream:NetStream = new NetStream(conn); // Alert.show(otherPerson.getItemAt((rowNum-1)*3+i)["label"]); video.attachNetStream(netStream); netStream.play("chinahrt-"+label.text); videoDisplay.addChild(video); } } } ]]> </mx:Script> <mx:states> <mx:State id="chatState" name="chat"> <mx:SetProperty target="{form1}" name="width" value="0"/> <mx:SetProperty target="{form1}" name="height" value="0"/> <mx:SetProperty target="{form1}" name="x" value="0"/> <mx:SetProperty target="{form1}" name="y" value="0"/> <mx:AddChild position="lastChild"> <mx:Panel x="10" y="10" width="381" height="370" layout="absolute" title="聊天信息"> <mx:TextArea x="10" y="10" width="215" height="235" id="txt_chatmsg"/> <mx:ComboBox x="233" y="34" width="118" id="userList"></mx:ComboBox> <mx:Label x="233" y="11" text="用户列表"/> <mx:DataGrid x="233" y="64" height="256" id="users" width="118"> <mx:columns> <mx:DataGridColumn headerText="用户名" dataField="label"/> </mx:columns> </mx:DataGrid> <mx:TextInput x="10" y="253" height="67" width="150" id="txt_yousay"/> <mx:Button x="168" y="253" label="发送" width="57" click="sendMessage(event)"/> <!-- <mx:Button x="168" y="298" label="进入视频会议" width="57" click="video_clickHandler(event)"/>--> </mx:Panel> </mx:AddChild> <mx:AddChild position="lastChild"> <mx:VideoDisplay live="true" x="10" y="410" width="320" height="240" id="my_video"/> </mx:AddChild> <mx:AddChild position="lastChild"> <mx:Label id="label1" x="10" y="390" text="我的"/> </mx:AddChild> <!--<mx:AddChild position="lastChild"> <mx:VideoDisplay live="true" x="399" y="224" width="320" height="240" id="other_video"/> </mx:AddChild> <mx:AddChild position="lastChild"> <mx:Label x="399" y="198" text="对方的"/> </mx:AddChild> --> <mx:AddChild position="lastChild"> <mx:VBox id="myBox" x="399" y="10"/> </mx:AddChild> </mx:State> </mx:states> <mx:Form x="10" y="10" width="283" height="126" id="form1"> <mx:FormItem label="用户名:"> <mx:TextInput id="txt_name"/> </mx:FormItem> <mx:FormItem> <mx:Button label="登陆" click="login(event)"/> </mx:FormItem> </mx:Form> </mx:Application>
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二个项目是在线秀场,第三个项目是视频会议,三个项目均是精心挑选和专门设计的。难度由浅入深,知识点由少到多,并且尽量涵盖Red5和Flex方面 的多种知识点,而且避免知识点重复,覆盖面较广,三个项目的实战性均很...
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8. **互动功能**:多人会议往往包含文字聊天、白板共享、屏幕共享等功能,这些都是通过RED5服务器和FLEX客户端之间的数据交换来实现的。 9. **录制与回放**:RED5支持流媒体的录制,可以将会议过程保存为文件,供...
1. **流媒体服务**:Red5支持RTMP协议,这使得它可以与Adobe Flash Player或Flex应用程序无缝协作,提供实时视频和音频流。此外,通过RTSP,Red5可以处理IP摄像机和其他设备的视频流。 2. **录制功能**:Red5能够...
Flex客户端可以利用Red5提供的API与服务器交互,创建、连接和断开视频会议,以及调用服务器上的方法来实现视频流的共享和控制。 总的来说,配置Red5涉及到创建正确的文件结构,设置配置参数,定义应用程序的行为,...
本实例中的"red5应用程序"展示了一个完整的Red5应用解决方案,它实现了文件资源路径的自定义,并且能够与Flex客户端配合,提供视频录制和播放功能。 1. **Red5简介** Red5是一款用Java编写的开源流媒体服务器,它...
通过Red5,开发者可以构建诸如视频播放网站、远程教育平台、视频会议系统、聊天应用和网络游戏等多种实时交互应用。 1. **Red5介绍** - Red5是一个开源的Flash流媒体服务器,提供MP3和FLV的流式传输、流录制、共享...