[AS3]as3写的一个视频播放器源代码实例

[AS3]as3写的一个视频播放器源代码实例

package 
{ 
    import com.bit101.components.HSlider; 
    import com.bit101.components.InputText; 
    import com.bit101.components.Label; 
    import com.bit101.components.PushButton; 
    import flash.display.Sprite; 
    import flash.events.Event; 
    import flash.events.MouseEvent; 
    import flash.events.NetStatusEvent; 
    import flash.media.SoundTransform; 
    import flash.media.Video; 
    import flash.net.NetConnection; 
    import flash.net.NetStream; 
  
    [swf(width="500", height="500")] 
    public class videoDisplay extends Sprite 
    { 
        private var _netStream:NetStream; 
        private var _sp:Sprite; 
        private var _bool:Boolean;//判断滑块是否按下，在每帧事件上侦听 
        private var _hRangeSlider:HSlider;//视频加载位置 
        private var _hRangeSlider2:HSlider;//视频播放位置 
        private var _lable:Label;//显示当前播放时间/总时间 
        private var _play:PushButton;//播放和暂停按钮 
        private var _source:HSlider;//调整时声音滑块 
        private var _sourceNum:Number = 0.6;//初始声音 
        private var _soundOff:PushButton;//静音和开放按钮 
        private var _isPlay:Boolean = false;//是否在播放 
        private var _duration:Number;//返回总时间，秒为单位 
          
        //静音,0为静音 
        private var sounceNum:int =1; 
        private var _soundTransform:SoundTransform; 
          
        public function videoDisplay() 
        { 
            _bool = false;  
              
            //绘制控件 
            Draw(); 
              
            //视频连接和播放主文件start 
            var _netConnection:NetConnection = new NetConnection(); 
            _netConnection.connect(null); 
            var _clientOb:Object = new Object(); 
            _clientOb.onMetaData = onMD; 
            _netStream = new NetStream(_netConnection); 
            _netStream.bufferTime = 15; 
            _netStream.client = _clientOb; 
            var _video:Video = new Video(); 
            _video.attachNetStream(_netStream); 
            _video.y = 100; 
            addChild(_video); 
            _netStream.play("videos/a.flv"); 
            //end 
              
            this.addEventListener(Event.ENTER_FRAME, onEnterFrame); 
            //视频状态报告 
            _netStream.addEventListener(NetStatusEvent.NET_STATUS, onNetStatus); 
        } 
  
        private function Draw():void 
        { 
            //插件使用MinimalComps第三方插件 
            _sp = new Sprite(); 
            this.addChild(_sp); 
            _hRangeSlider = new HSlider(_sp); 
            _lable = new Label(_sp,_hRangeSlider.x+_hRangeSlider.width+10); 
            _hRangeSlider2 = new HSlider(_sp, 0, _hRangeSlider.height+2); 
            _hRangeSlider2.addEventListener(MouseEvent.MOUSE_DOWN, onMouseDown); 
            _lable.text = "00:00/00:00"; 
            _play= new PushButton(_sp, 0, _hRangeSlider2.y + _hRangeSlider2.height+2,"pause",onPlay); 
            _source = new HSlider(_sp,0,_play.y +_play.height+2) 
            _source.value = (0.6/1)*_source.width; 
            _source.addEventListener(MouseEvent.MOUSE_DOWN, onSoundMouseDown); 
            _soundOff = new PushButton(_sp,0, _source.y+_source.height+2,"SounceOn",handSoundOff);  
        } 
          
        private function onNetStatus(evt:NetStatusEvent):void 
        { 
            switch(evt.info.code) 
            { 
            case "NetStream.Play.Start"://CuPlayer.com提示开始播放 
                _isPlay = true; 
                break; 
            case "NetStream.Play.Stop"://Cuplayer.com全部播放完 
                _isPlay =false; 
                break; 
            case "NetStream.Buffer.Empty"://Cuplayer.com缓冲 
                break; 
            } 
        } 
          
        //点击播放暂停按钮 
        private function onPlay(evt:Event):void 
        { 
              
            if(_play.label  == "play") 
            { 
                if(_isPlay)//是否在播放中，（包括暂停） 
                { 
                    //_netStream.resume(); 
                    _netStream.togglePause(); 
                } 
                else 
                { 
                    _netStream.play("videos/a.flv"); 
                    //_netStream.pause(); 
                } 
            } 
            if(_play.label  == "pause") 
            { 
                _netStream.togglePause(); 
            } 
            _play_play.label = _play.label == "play"?"pause":"play"; 
        } 
          
        //点击视频播放位置滑块 
        private function onMouseDown(evt:Event):void 
        { 
            _bool = true; 
            _netStream.togglePause();//暂停 
            _hRangeSlider.stage.addEventListener(MouseEvent.MOUSE_UP, onMouseUp); 
        } 
        //点击视频播放位置滑块 
        private function onMouseUp(evt:Event):void 
        { 
            _bool = false; 
            _netStream.togglePause();//CuPlayer.com提示：播放 
            _hRangeSlider.stage.removeEventListener(MouseEvent.MOUSE_UP, onMouseUp);        
        } 
          
          
          
        private function onMD(data:Object):void 
        { 
            _duration = data.duration; 
        } 
        private function onEnterFrame(evt:Event):void 
        { 
            _lable.text = Math.floor(_netStream.time/60) +":"+ Math.round(_netStream.time%60)+"/" 
                +Math.floor(_duration/60) +":"+ Math.round(_duration%60); 
              
            var bigLoad:int = _netStream.bytesTotal;//视频文件大小 
            var theLoad:int = _netStream.bytesLoaded;//当前加载大小 
            _hRangeSlider.value = (theLoad/bigLoad)*_hRangeSlider.width; 
            if(_bool) 
            { 
                //播放视频的指定位置 
                _netStream.seek((_hRangeSlider2.value/_hRangeSlider2.width)*_duration); 
            } 
            else 
            { 
                _hRangeSlider2.value = (_netStream.time/_duration)*_hRangeSlider2.width; 
            } 
        } 
  
        //根据传入0-1之间的数调节音量 
        private function setSource(num:Number):void 
        { 
            _soundTransform = _netStream.soundTransform; 
            _soundTransform.volume = num; 
            _netStream.soundTransform = _soundTransform; 
        } 
          
        //静音和开发 
        private function handSoundOff(EVT:Event):void 
        { 
            _soundOff_soundOff.label =_soundOff.label == "SounceOff"?"SounceOn":"SounceOff"; 
            if(_soundOff.label == "SounceOff") 
            { 
                sounceNum = 0; 
                setSource(0); 
            } 
            else 
            { 
                sounceNum = 1; 
                setSource(Math.round((_source.value/_source.width)*10)/10); 
            } 
        } 
          
        //CuPlayer.com提示：拖动音量滑块到指定位置 
        private function onSoundMouseDown(evt:Event):void 
        { 
            _source.stage.addEventListener(MouseEvent.MOUSE_UP, onSoundMouseUp); 
        } 
        private function onSoundMouseUp(evt:Event):void 
        { 
            _source.stage.removeEventListener(MouseEvent.MOUSE_UP, onSoundMouseUp); 
            if(sounceNum)//CuPlayer.com提示：非静音 
            { 
                setSource(Math.round((_source.value/_source.width)*10)/10);     
            } 
        } 
    } 
} 

[AS3]as3写的一个视频播放器源代码实例