[转]写了个FLV播放器给大家分享下

package 
{
        /*
         *作  者：淘剑龙
         *名  称：flvplayer
         *时  间：2011.1.9 
         *说  明：参照帮助文档写的用于学习交流的flv播放器！
         */
        import flash.display.Sprite;
        import flash.display.MovieClip;
        import flash.display.SimpleButton;
        import flash.display.Loader;
        import flash.media.Video;
        import flash.net.URLRequest;
        import flash.net.NetConnection;
        import flash.net.NetStream;
        import flash.events.*;
        import flash.media.SoundTransform;
        import com.greensock.*; 
        import com.greensock.easing.*;        
        import com.Data.TimeFormat;

        public class flvPlayer extends Sprite
        {
                private var sw:Number = stage.stageWidth;
                private var sh:Number = stage.stageHeight;
                private var myVideo:Video;
                private var myLoaderoader;

                private var connection:NetConnection;
                private var stream:NetStream;
                private var soundControl:SoundTransform;
                private var soundBol:Boolean = true;  //控制声音开关

                private var stopBtn:Stop;        //停止按钮
                private var playBtnlay;        //播放按钮
                private var soundBtn:SoundBtn;   //声音按钮
                private var pauseBtnause;      //暂停按钮
                private var proBar:progressBar;  //进度条
                private var sBtn:ScreenBtn;      //舞台按钮

                private var UIContainer:MovieClip;
                private var videoURL:String = "flv/video.flv"; //播放的视频地址
                private var playState:Boolean = true;
                private var curTime:Number;           //播放当前时间
                private var obj:Object = new Object;  //监听事件
                private var per:Number = 0;           //播放进度
                private var per2:Number = 0;          //流加载进度
                private var over:Boolean = false;
                private var out:Boolean = true;
                private var tf:TimeFormat = new TimeFormat;                
                public function flvPlayer()
                {
                        soundControl = new SoundTransform();  //控制声音

                        sBtn = new ScreenBtn;
                        UIContainer = new MovieClip;                        
                        myLoader = new Loader;
                        myVideo  = new Video(sw,sh);
                        addChild(myVideo);
                        UIContainer.x = 50;
                        UIContainer.y = sh - UIContainer.height + 30;        

                        sBtn.useHandCursor = false;   //舞台按钮
                        sBtn.addEventListener(MouseEvent.MOUSE_OVER,OverScreen);                        
                        addChild(sBtn);
                        addChild(UIContainer);                        

                        init();
                        listener();
                        addEventListener(Event.ENTER_FRAME,onEnter);
                }
                private function init()
                {
                        setPlayerUI();                                        
                        connection = new NetConnection;
                        connection.addEventListener(NetStatusEvent.NET_STATUS, netStatusHandler);
                        connection.addEventListener(SecurityErrorEvent.SECURITY_ERROR, securityErrorHandler);
                        connection.connect(null);
                }
                private function listener()
                {                        
                        obj.onMetaData = function(info:Object)
                        {
                                //在 Flash Player 接收在正播放的 FLV 文件中嵌入的描述性信息时调度。
                                //trace("metadata: duration=" + info.duration + " width=" + info.width + " height=" + info.height + " framerate=" + info.framerate);
                                obj.duration = info.duration; //视频时间长度
                }
                        obj.onPlayStatus = function(info:Object)
                        {

                                trace("播放完毕");
                        }
                        obj.onCuePoint = function(info:Object):void 
                        {
                                                                trace("cuepoint: time=" + info.time + " name=" + info.name + " type=" + info.type);
                        }
                }                
                private function onEnter(e:Event)
                {
                        if(over)
                        {                                
                                TweenLite.to(UIContainer, 0.6, {y:sh - UIContainer.height ,alpha:1});                        
                        }
                        else
                        {                                
                                TweenLite.to(UIContainer, 0.6 ,{y:sh - UIContainer.height + 30,alpha:0});
                        }
                }
                private function OverScreen(e:MouseEvent)
                {
                        over = true;                        

                        sBtn.addEventListener(MouseEvent.MOUSE_OUT,OutScreen);
                        sBtn.removeEventListener(MouseEvent.MOUSE_OVER,OverScreen);
                }
                private function OutScreen(e:MouseEvent)
                {
                        over = false;                        
                        TweenLite.from(UIContainer, 0.6 , {y:sh - UIContainer.height,alpha:1});

                        sBtn.removeEventListener(MouseEvent.MOUSE_OUT,OutScreen);
                        sBtn.addEventListener(MouseEvent.MOUSE_OVER,OverScreen);
                }                
                private function setPlayerUI()
                {                        
                        playBtn = new Play;
                        playBtn.name = "playBtn";
                        pauseBtn= new Pause;
                        pauseBtn.name= "pauseBtn";
                        stopBtn = new Stop;
                        stopBtn.name = "stopBtn";
                        soundBtn= new SoundBtn;
                        soundBtn.name= "soundBtn";

                        /*
                         *预留个全屏的
                         fullScreenBtn                         
                         */
                        proBar = new progressBar;
                        proBar.name = "proBar";

                        var xjg:Number = 5;
                        pauseBtn.x = playBtn.x  + (playBtn.width + xjg);
                        stopBtn.x  = pauseBtn.x + (stopBtn.width + xjg);
                        soundBtn.x = stopBtn.x  + (soundBtn.width+ xjg);
                        proBar.x   = playBtn.x - playBtn.width/2;
                        proBar.y   = pauseBtn.height - proBar.height + 5;

                        playBtn.btnSensor.addEventListener(MouseEvent.MOUSE_OVER,OverHandler);
                        playBtn.btnSensor.addEventListener(MouseEvent.MOUSE_OUT,OutHandler);

                        pauseBtn.btnSensor.addEventListener(MouseEvent.MOUSE_OVER,OverHandler);
                        pauseBtn.btnSensor.addEventListener(MouseEvent.MOUSE_OUT,OutHandler);

                        stopBtn.btnSensor.addEventListener(MouseEvent.MOUSE_OVER,OverHandler);
                        stopBtn.btnSensor.addEventListener(MouseEvent.MOUSE_OUT,OutHandler);

                        soundBtn.btnSensor.addEventListener(MouseEvent.MOUSE_OVER,OverHandler);
                        soundBtn.btnSensor.addEventListener(MouseEvent.MOUSE_OUT,OutHandler);

                        UIContainer.addChild(proBar);
                        UIContainer.addChild(stopBtn);
                        UIContainer.addChild(playBtn);
                        UIContainer.addChild(soundBtn);
                        UIContainer.addChild(pauseBtn);
                }
                private function OverHandler(e:MouseEvent)
                {
                        over = true;                        
                        UIContainer.y = sh - UIContainer.height;
                        UIContainer.alpha = 1;
                        sBtn.removeEventListener(MouseEvent.MOUSE_OVER,OverScreen);

                        var str:String = e.target.parent.name;
                        switch (str)
                        {
                                case "playBtn" :                                                                            
                                        e.target.parent.mcIcon.mcIconAnimation.gotoAndPlay("Over");
                                        break;

                                case "stopBtn" :                                                                           
                                        e.target.parent.mcIcon.mcIconAnimation.gotoAndPlay("Over");
                                        break;

                                case "pauseBtn" :                                    
                                        e.target.parent.mcIcon.mcIconAnimation.gotoAndPlay("Over");
                                        break;

                                //静音
                                case "soundBtn" :                                                                    
                                        e.target.parent.mcIcon.mcIconAnimation.gotoAndPlay("Over");
                                        break;
                        }
                }
                private function OutHandler(e:MouseEvent)
                {
                        over = true;
                        UIContainer.y = sh - UIContainer.height;
                        UIContainer.alpha = 1;
                        sBtn.addEventListener(MouseEvent.MOUSE_OVER,OverScreen);

                        var str:String = e.target.parent.name;
                        switch (str)
                        {
                                case "playBtn" :                                   
                                        e.target.parent.mcIcon.mcIconAnimation.gotoAndPlay("Out");
                                        break;

                                case "stopBtn" :                                   
                                        e.target.parent.mcIcon.mcIconAnimation.gotoAndPlay("Out");
                                        break;

                                case "pauseBtn" :                                    
                                        e.target.parent.mcIcon.mcIconAnimation.gotoAndPlay("Out");
                                        break;

                                case "soundBtn" :                                    
                                        e.target.parent.mcIcon.mcIconAnimation.gotoAndPlay("Out");
                                        break;
                        }
                }
                private function netStatusHandler(event:NetStatusEvent)
                {
                        switch (event.info.code)
                        {
                                case "NetConnection.Connect.Success" :
                                        connectStream();
                                        break;

                                case "NetStream.Play.StreamNotFound" :
                                        trace("Unable to locate video: " + videoURL);
                                        break;
                        }
                }
                private function connectStream()
                {
                        stream= new NetStream(connection);                        
                        stream.addEventListener(NetStatusEvent.NET_STATUS, netStatusHandler);
                        stream.addEventListener(AsyncErrorEvent.ASYNC_ERROR, asyncErrorHandler);

                        //videoURL =  "flv/langjiu.flv";
                        myVideo.attachNetStream(stream);
                        stream.play(videoURL);        
                        //调度一些事件，如获取视频时间总长度(记得视频得处理成含有onMediaData能读取视频数据的格式)
                        stream.client = obj;   //new CustomClient;                        
                        playBtn.btnSensor.addEventListener(MouseEvent.CLICK,ClickHandler);
                        pauseBtn.btnSensor.addEventListener(MouseEvent.CLICK,ClickHandler);
                        stopBtn.btnSensor.addEventListener(MouseEvent.CLICK,ClickHandler);
                        soundBtn.btnSensor.addEventListener(MouseEvent.CLICK,ClickHandler);

                        addEventListener(Event.ENTER_FRAME,enterHandler);
                }
                private function enterHandler(e:Event)
                {
                        per = stream.time / obj.duration * 100;
                        per2= stream.bytesLoaded / stream.bytesTotal * 100;

                        proBar.playPro.gotoAndStop(Math.round(per));
                        proBar.streamPro.gotoAndStop(Math.round(per2));                        

                        proBar.disTime.text = getTime(stream);                                        
                }
                private function getTime(stream:NetStream):String
                {
                        var str:String = new String;
                        var p:Number = Math.round(stream.time);  //播放时间
                        var a:Number = Math.round(obj.duration); //视频总时间长                        
                        /*var ps:String = tf.GetTimeFormat(p);
                        var alls:String = tf.GetTimeFormat(a);        */                                            
                        str = tf.GetTimeFormat(p) + "/" + tf.GetTimeFormat(a);
                        return str;
                }
                private function asyncErrorHandler(event:AsyncErrorEvent):void
                {
                        // ignore AsyncErrorEvent events.
                }

                private function ClickHandler(e:MouseEvent)
                {
                        //点击按钮事件
                        var str:String = e.target.parent.name;
                        switch (str)
                        {
                                case "playBtn" :
                                        //playState = !playState;
                                        curTime = stream.time;                                        
                                        stream.seek(curTime);
                                        stream.resume();        //恢复回放暂停的视频流。
                                        //stream.togglePause(); //暂停或恢复流的回放。
                                        break;

                                case "pauseBtn" :
                                        stream.pause();//暂停
                                        break;

                                case "stopBtn" :
                    stream.seek(0);
                                        stream.pause();//暂停
                                        break;

                                //静音
                                case "soundBtn" :
                                    soundBol = !soundBol;
                                    soundControl.volume = soundBol == true ? 1:0;
                                    stream.soundTransform = soundControl;
                                   /*stream.close();
                                        stream.play(videoURL);*/
                                        break;
                        }
                }
        }
}