学步园

参考昨天Mp3的制作，今天弄一个视频播放。其实道理差不多，今天比较懒，没用其他类库只是单独写在一起。

考虑到只是笔记就写上来。

一些元件都是在这个基础上修改的

 http://blog.csdn.net/hero82748274/archive/2011/02/22/6201133.aspx

一些元件都是在舞台上命名的。

制作课件的时候，拿来练手也不错的选择。特别制作视频播放的时候经常需要用到。

package<br /> {<br /> import flash.display.Sprite;<br /> import flash.display.Stage;<br /> import flash.display.StageDisplayState;<br /> import flash.display.MovieClip;<br /> import flash.events.*;<br /> import flash.net.*;<br /> import flash.media.*;<br /> import flash.geom.*;<br /> import flash.display.SimpleButton;</p> <p> public class Main extends Sprite<br /> {<br /> private var position:Number = 0;//播放位置<br /> private var video:Video;<br /> private var videoUrl:String = "2.MP4";//视频的路径<br /> private var isPlay:Boolean = false;//是否播放<br /> private var stream:NetStream;<br /> private var duration:Number;//时间<br /> private var sound:SoundTransform=new SoundTransform();<br /> public function Main()<br /> {<br /> init();<br /> }<br /> private function init():void<br /> {<br /> init_Connection();//初始化链接<br /> init_ui();<br /> }</p> <p> //初始化视频和链接<br /> private function init_Connection():void<br /> {<br /> video=new Video(320*1.2,240*1.2);<br /> video.x = 80;<br /> video.y = 20;<br /> addChild(video);</p> <p> var connection:NetConnection=new NetConnection();<br /> connection.connect(null);<br /> stream = new NetStream(connection);<br /> var client:Object=new Object();<br /> client.onMetaData = onMetaData;//回调函数，获取总的时间<br /> stream.client = client;</p> <p> video.attachNetStream(stream);<br /> stream.bufferTime = 1;//设置缓冲时间<br /> stream.addEventListener(NetStatusEvent.NET_STATUS,netStatusHandler);<br /> stream.addEventListener(AsyncErrorEvent.ASYNC_ERROR,netAsyncErrorHandler);<br /> playVideo(videoUrl);</p> <p> }</p> <p> //初始化ui<br /> private function init_ui():void<br /> {<br /> playBtn.stop();<br /> volumeBtn.stop();<br /> playBtn.buttonMode = true;<br /> stopBtn.buttonMode = true;<br /> progressBar.controlBar.mouseEnabled = false;<br /> volumeBar.controlBar.mouseEnabled = false;<br /> progressBar.buttonMode = true;<br /> volumeBtn.buttonMode = true;<br /> volumeBar.buttonMode = true;<br /> fullScreenBtn.buttonMode=true;<br /> volumeBar.controlBar.width = volumeBar.width;</p> <p> //开始按钮，停止按钮，进度条监听鼠标事件<br /> playBtn.addEventListener(MouseEvent.CLICK,onPlaySoundHandler);<br /> stopBtn.addEventListener(MouseEvent.CLICK,onStopVideoHandler);<br /> progressBar.addEventListener(MouseEvent.MOUSE_DOWN,onStartDragBarHandler);<br /> volumeBtn.addEventListener(MouseEvent.CLICK,onMuteSoundHandler);<br /> volumeBar.addEventListener(MouseEvent.MOUSE_DOWN,onStartDragVolomeBarHandler);<br /> fullScreenBtn.addEventListener(MouseEvent.CLICK,onFullScreendHandler);</p> <p> playBtn.gotoAndStop("pause");<br /> isPlay = true;<br /> addEventListener(Event.ENTER_FRAME,onProgressHandler);</p> <p> }<br /> private function netStatusHandler(event:NetStatusEvent):void<br /> {</p> <p> }<br /> private function netAsyncErrorHandler(event:AsyncErrorEvent):void<br /> {</p> <p> }</p> <p> private function onMetaData(data:Object):void<br /> {<br /> duration = data.duration;<br /> }</p> <p> private function onProgressHandler(event:Event):void<br /> {</p> <p> if (isPlay)<br /> {<br /> progressBar.controlBar.width=stream.time/this.duration*progressBar.width;//让进度条产生宽度变化<br /> }</p> <p> if (progressBar.controlBar.width <= progressBar.width && progressBar.controlBar.width >= progressBar.width - 2)<br /> {<br /> stopVideo();<br /> }<br /> }<br /> //播放和暂停处理<br /> private function onPlaySoundHandler(event:MouseEvent):void<br /> {<br /> if (playBtn.currentLabel == "start")<br /> {<br /> if (isPlay == false)<br /> {<br /> isPlay = true;<br /> playBtn.gotoAndStop("pause");<br /> resumeVideo();<br /> }<br /> }<br /> else<br /> {<br /> if (isPlay)<br /> {<br /> isPlay = false;<br /> playBtn.gotoAndStop("start");<br /> pauseVideo();<br /> }<br /> }<br /> }</p> <p> private function onStopVideoHandler(event:MouseEvent):void<br /> {<br /> stopVideo();<br /> }</p> <p> //全屏处理<br /> private function onFullScreendHandler(event:MouseEvent):void<br /> {<br /> fullScreen();<br /> }</p> <p> private function onStartDragBarHandler(event:MouseEvent):void<br /> {<br /> pauseVideo();<br /> playBtn.gotoAndStop("pause");<br /> progressBar.controlBar.width = progressBar.mouseX;<br /> event.updateAfterEvent();<br /> position=progressBar.controlBar.width/progressBar.width*duration; </p> <p> progressBar.addEventListener(MouseEvent.MOUSE_MOVE,onMouseMoveHandler);<br /> stage.addEventListener(MouseEvent.MOUSE_UP,onMouseUPHandler);<br /> }<br /> private function onMouseMoveHandler(event:MouseEvent):void<br /> {<br /> pauseVideo();<br /> progressBar.controlBar.width = progressBar.mouseX;<br /> position=progressBar.controlBar.width/progressBar.width*duration;<br /> event.updateAfterEvent();<br /> }<br /> private function onMouseUPHandler(event:MouseEvent):void<br /> {<br /> if (progressBar.hasEventListener(MouseEvent.MOUSE_MOVE))<br /> {<br /> progressBar.removeEventListener(MouseEvent.MOUSE_MOVE,onMouseMoveHandler);<br /> stream.seek(position);<br /> resumeVideo();<br /> }</p> <p> if (volumeBar.hasEventListener(MouseEvent.MOUSE_MOVE))<br /> {<br /> volumeBar.removeEventListener(MouseEvent.MOUSE_MOVE,onChangeVolumeHandler);<br /> }<br /> stage.removeEventListener(MouseEvent.MOUSE_UP,onMouseUPHandler);</p> <p> }<br /> //静音处理<br /> private function onMuteSoundHandler(event:MouseEvent):void<br /> {</p> <p> if (volumeBtn.currentLabel == "start")<br /> {<br /> volumeBtn.gotoAndStop("stop");<br /> setVolume(0);<br /> }<br /> else<br /> {<br /> volumeBtn.gotoAndStop("start");<br /> setVolume(1);</p> <p> }<br /> }<br /> //拖动声音控制<br /> private function onStartDragVolomeBarHandler(event:MouseEvent):void<br /> {<br /> volumeBar.controlBar.width = volumeBar.mouseX;<br /> var volume:Number = getPercent();<br /> setVolume(volume);<br /> event.updateAfterEvent();<br /> volumeBar.addEventListener(MouseEvent.MOUSE_MOVE,onChangeVolumeHandler);<br /> stage.addEventListener(MouseEvent.MOUSE_UP,onMouseUPHandler);<br /> }</p> <p> //修改声音<br /> private function onChangeVolumeHandler(event:MouseEvent):void<br /> {<br /> volumeBar.controlBar.width = volumeBar.mouseX;<br /> var volume:Number = getPercent();<br /> event.updateAfterEvent();<br /> stage.addEventListener(MouseEvent.MOUSE_UP,onMouseUPHandler);<br /> }</p> <p> private function getPercent():Number<br /> {<br /> return volumeBar.controlBar.width / volumeBar.width;</p> <p> }<br /> //停止播放视频<br /> private function stopVideo():void<br /> {<br /> playBtn.gotoAndStop("start");<br /> position = 0;<br /> isPlay = false;<br /> video.clear();<br /> stream.seek(0);<br /> stream.close();</p> <p> progressBar.controlBar.width = 1;<br /> }<br /> //播放视频<br /> private function playVideo(videoUrl:String):void<br /> {<br /> stream.play(videoUrl);<br /> }<br /> //暂停视频<br /> private function pauseVideo():void<br /> {</p> <p> stream.pause();<br /> isPlay = false;<br /> }</p> <p> //继续播放<br /> private function resumeVideo():void<br /> {<br /> isPlay = true;<br /> if(stream.time==0)<br /> {<br /> stream.play(videoUrl);<br /> }<br /> else<br /> stream.resume();<br /> } </p> <p> //设置音量<br /> private function setVolume(volumes:Number):void<br /> {<br /> sound.volume=volumes;<br /> stream.soundTransform=sound;<br /> } </p> <p> //全屏模式<br /> private function fullScreen():void<br /> {<br /> if (stage.displayState==StageDisplayState.NORMAL)<br /> {<br /> stage.displayState = StageDisplayState.FULL_SCREEN; </p> <p> }<br /> else if (stage.displayState ==StageDisplayState.FULL_SCREEN)<br /> {<br /> stage.displayState=StageDisplayState.NORMAL;<br /> }<br /> } </p> <p> }<br /> }