视频类 的练习

                                                                  视频播放器

首先做好UI界面，本播放器有自带的截图功能

package  {
 
 import flash.display.BitmapData;
 import flash.display.MovieClip;
 import flash.events.AsyncErrorEvent;
 import flash.events.Event;
 import flash.events.MouseEvent;
 import flash.geom.Rectangle;
 import flash.media.SoundTransform;
 import flash.media.Video;
 import flash.net.FileReference;
 import flash.net.NetConnection;
 import flash.net.NetStream;
 import flash.utils.ByteArray;
 import JPGEncoder.JPGEncoder;
 
 
 public class videoPlayer extends MovieClip {
  
  private var netS:NetStream;
  private var netC:NetConnection;
  private var video:Video;
  private var flag:int = 1;
  private var soundT:SoundTransform;
  private var totalTimes:Number = 0;
  private var fullflag:Boolean;
  
  public function videoPlayer()
  {
   initBar();
   init();
   SetDispatcher();
  }
  private function  initBar():void
  {
   __bar1.scaleX = 0;
   __bar2.scaleX = 0;
   
  }
  private function init():void
  {
   netC = new NetConnection();
   netC.connect(null);
   netS = new NetStream(netC);
   netS.play('1.flv');
   netS.addEventListener(AsyncErrorEvent.ASYNC_ERROR, onMeta);
   video = new Video();
   video.attachNetStream(netS);
   video.x = 5;
   video.y = 3;
   this.addChild(video);
   addEventListener(Event.ENTER_FRAME, getpro);
   var obj:Object = new Object();
   obj.onMetaData = getLen;
   netS.client = obj;
   addEventListener(Event.ENTER_FRAME, onPlaying);
   
  }
  private function onMeta(e:AsyncErrorEvent):void
  {
   
  }
  private function getpro(e:Event):void
  {
   //totalTimes = Object.duration;
   __bar1.scaleX = netS.bytesLoaded / netS.bytesTotal;
   if (netS.bytesLoaded / netS.bytesTotal == 1)
   {
    removeEventListener(Event.ENTER_FRAME, getpro);
   }
   
  }
  private function onPlaying(e:Event):void
  {
   __bar2.scaleX = netS.time / totalTimes;
  }
  private function SetDispatcher():void
  {
   netS.seek(0);
   netS.togglePause();
   play_stop.buttonMode = true;
   stop_btn.buttonMode = true;
   bar._bar.buttonMode = true;
   jieP.buttonMode = true;
   
   bar._bar.addEventListener(MouseEvent.MOUSE_DOWN, ondown);
   bar._bar.addEventListener(MouseEvent.MOUSE_UP, onup);
   stage.addEventListener(MouseEvent.MOUSE_UP, onup);
   play_stop.addEventListener(MouseEvent.CLICK, onps);
   stop_btn.addEventListener(MouseEvent.CLICK, onstop);
   jieP.addEventListener(MouseEvent.CLICK, onjiep);
   
   
  }
  private function ondown(e:MouseEvent):void
  {
   bar._bar.startDrag(true, new Rectangle(0, 0, bar.bar2.width, 0));
  }
  private function onup(e:MouseEvent):void
  {
   bar._bar.stopDrag();
   if (bar._bar.x > bar.bar2.width)
   {
    bar._bar.x = bar.bar2.width;
   }
   soundT = new SoundTransform();
   soundT.volume = bar._bar.x / bar.bar2.width;
   netS.soundTransform = soundT;
  }
  private function getLen(obj:Object):void
  {
   totalTimes = obj.duration;
  }
  private function onps(e:MouseEvent):void
  {
   netS.togglePause();
   if (flag == 1)
   {
    flag = 2;
    play_stop.gotoAndStop(flag);
   }else
   {
    flag = 1;
    play_stop.gotoAndStop(flag);
   }
  }
  private function onstop(e:MouseEvent):void
  {
   flag = 1;
   netS.pause();
   netS.seek(0);
   play_stop.gotoAndStop(flag);
   
  }
  private function onjiep(e:MouseEvent):void
  {
   var bitmapdata:BitmapData = new BitmapData(video.width, video.height);
   bitmapdata.draw(video);
   var jpgEncode:JPGEncoder = new JPGEncoder();
   var bytesArr:ByteArray=ByteArray(jpgEncode.encode(bitmapdata));
   var file:FileReference = new FileReference();
   file.addEventListener(Event.SELECT, onselect);
   file.addEventListener(Event.CANCEL, oncancel);
   file.save(bytesArr, "未命名.jpg");
  }
  private function onselect(e:Event):void
  {
   trace("图片已保存");
  }
  private function oncancel(e:Event):void
  {
   trace("你取消了保存");
  }
 }
 
}

                                                   系统播放器

首先从主件元件中拉出视屏类主件（FLVplayback），然后写上如下代码：

import fl.video.FLVPlayback;
mc.source = "1.flv";
mc.skinBackgroundColor = 0xff0000;
mc.skinBackgroundAlpha = 1;