Flex3+Red5语音视频聊天程序（客户端代码）

<?xml version="1.0" encoding="utf-8"?>
<mx:WindowedApplication xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute">
<mx:Script>
  <![CDATA[
   import mx.events.CloseEvent;
   import mx.collections.ArrayCollection;
   import mx.controls.Alert;
  
   private var listSO:SharedObject;
   private var userArr:Array; 
   private var conn:NetConnection;
   private var localUsername:String;
   private var stm:NetStream;
   private var stm2:NetStream;
   //摄像头
   private var cam:Camera; 
   //麦克风
   private var mic:Microphone;
   private var video_0:Video;
   private var video_1:Video;
   [Bindable]
   public var cards:ArrayCollection;
   //视频邀请集合
   public var videoUsers:Array;
   protected function login(event:MouseEvent):void
   {
    // TODO Auto-generated method stub   
    localUsername= txt_name.text;
    if(localUsername==""){
     Alert.show("用户名不能为空");
     return;
    }else{
     if(conn==null){
      conn = new NetConnection();
      conn.client = this;
      conn.addEventListener(NetStatusEvent.NET_STATUS, _statusHandler);         
      conn.connect("rtmp://192.168.0.10/szftest", 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");
     _setListSO();      //创建用户列表共享对象
     this.showJoinInInfo(localUsername);
    }
    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", new Responder(result_getUsers);     
    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事件
   private function _listSOSyncHandler(evt:SyncEvent):void{
    _showUserList();     //更新用户列表
   }
   //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ArrayCollection    
    for (var i:int = 0; i < userArr.length; i++ ) {
     cards.addItem( { label:userArr[i] } );
    }
    //将数组添加到列表中显示出来
    userList.dataProvider = cards;
    users.dataProvider=cards;
   }
  
   public function showMessage(message:String) : void
   {
    txt_chatmsg.text += message + "\n";
   }
   protected function sendMessage(event:MouseEvent):void
   {
    // TODO Auto-generated method stub
    var sendString:String = txt_yousay.text;
    //var sendTo:String=users.selectedItem.userName==null?"":users.selectedItem.userId;
    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";
   }
   //视频邀请
   protected function video_clickHandler(event:MouseEvent):void
   {
    // TODO Auto-generated method stub
    var sendTo:String=userList.selectedItem.label;
    conn.call("videoInvite", null,sendTo);   
   }
   //显示自己的视频
   public function _publishVideo():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{
     cam.setLoopback(true);
                 cam.setMotionLevel(50,100);
                 cam.setMode(320,240,15,true);
                 stm.attachCamera(cam);
    }
    //获取麦克风
    mic = Microphone.getMicrophone();
    if(mic==null){
     Alert.show("没有可以使用的麦克风");
    }else{
     mic.setUseEchoSuppression(true);
     stm.attachAudio(mic);
    }   
    stm.publish("somes"+txt_name.text,"live");   
    video_1 = new Video();
    video_1.width = my_video.width;
    video_1.height = my_video.height;
    video_1.attachCamera(cam);
    my_video.addChild(video_1);
   }
   //被邀请方获取对方视频
   private function _getVideo():void{   
    stm2 = new NetStream(conn);
    video_0 = new Video(other_video.width,other_video.height);
    video_0.attachNetStream(stm2);
    other_video.addChild(video_0);
    stm2.play("somes"+videoUsers[0]);
   }
   //邀请方获取对方视频
   private function _getOtherVideo(other:String):void {   
    stm2 = new NetStream(conn);
    video_0 = new Video(other_video.width,other_video.height);
    video_0.attachNetStream(stm2);
    other_video.addChild(video_0);
    stm2.play("somes"+other);
   }
   //视频被邀请方调用
   public function showInviteMessage(message:String):void{
    videoUsers=message.split(";");
    Alert.show(videoUsers[0]+"邀请你视频，是否同意?","是吗",Alert.YES|Alert.NO,this,alertClientHandel);
   }
   //被邀请方同意调用
   public function alertClientHandel(event:CloseEvent):void{
    if(event.detail==Alert.YES){
     _publishVideo();    
     _getVideo();
     conn.call("agreeVideoInvite",null,videoUsers[0],videoUsers[1]);
    }else{
    
    }
   }
   //邀请方接到被邀请方的同意后调用
   public function showVideo(other:String):void{   
    _publishVideo();
    _getOtherVideo(other);
   }
   private function closeStream():void{
    Alert.show("关闭");
   }
  
  ]]>
</mx:Script>
<mx:states>
  <mx:State 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="253" label="发送" width="57" click="sendMessage(event)"/>
     <mx:Button x="168" y="298" label="视频" width="57" click="video_clickHandler(event)"/>
    </mx:Panel>
   </mx:AddChild>
   <mx:AddChild position="lastChild">
    <mx:VideoDisplay x="399" y="30" width="181" height="158" id="my_video"/>
   </mx:AddChild>
   <mx:AddChild position="lastChild">
    <mx:Label x="399" y="10" text="我的"/>
   </mx:AddChild>
   <mx:AddChild position="lastChild">
    <mx:VideoDisplay x="399" y="224" width="181" height="156" id="other_video"/>
   </mx:AddChild>
   <mx:AddChild position="lastChild">
    <mx:Label x="399" y="198" text="对方的"/>
   </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:WindowedApplication>