[as3]as3实现mp4视频无缝循环播放的源代码范例

[as3]as3实现mp4视频无缝循环播放的源代码范例

一个视频要循环播放，通常的办法都是播放完后再重新播放，但是不可避免的播放结束和重新开始播放这个时间点上会有停顿，如何解决这个问题，下面有一个范例

package com.views 
{ 
    import flash.display.Sprite; 
    import flash.events.Event; 
    import flash.media.Video; 
    import flash.net.NetConnection; 
    import flash.net.NetStream; 
    import flash.utils.setTimeout; 
     
    /** 
     * @author Frost.Yen 
     * @email 871979853@qq.com 
     * @build 2016-8-9 上午10:53:13 
     */ 
    public class VideoView extends Sprite 
    { 
        private var _video1:VideoDisplay; 
        private var _video2:VideoDisplay; 
        private var _currVideo:VideoDisplay; 
        private var _duration:Number; 
        private var _b:Boolean; 
        public function VideoView(url:String) 
        { 
            _video1 = new VideoDisplay(url,true); 
            _video2 = new VideoDisplay(url); 
            _video1.onMetaData = onMetaData; 
            _video2.visible = false; 
            _currVideo = _video1; 
            this.addChild(_video1); 
            this.addChild(_video2); 
            this.addEventListener(Event.ENTER_FRAME,onCheck); 
        } 
        private function onMetaData():void 
        { 
            _duration = _video1.duration; 
        } 
        private function onCheck(e:Event):void 
        { 
            //trace("vs.time= " + _currVideo.time+ " duration= " + _duration ); 
            if (_currVideo.time > 0 && _duration > 0) 
            { 
                 
                if (_duration-_currVideo.time <=0.1 ) 
                { 
                     
                    this.removeEventListener(Event.ENTER_FRAME,onCheck); 
                    setTimeout(add,2000); 
                    if(_video1.visible){ 
                        _video1.visible = false; 
                        _video2.visible = true; 
                        _video1.seek(0); 
                        _video1.pause(); 
                        _video2.play(); 
                        _currVideo = _video2; 
                    }else{ 
                        _video2.visible = false; 
                        _video1.visible = true; 
                        _video2.seek(0); 
                        _video2.pause(); 
                        _video1.play(); 
                        _currVideo = _video1; 
                    } 
                     
                    //_ns.seek(0);//跳转到0秒处播放。 
                } 
            } 
        } 
        private function add():void 
        { 
            this.addEventListener(Event.ENTER_FRAME,onCheck); 
        } 
    } 
} 
import flash.display.Sprite; 
import flash.media.Video; 
import flash.net.NetConnection; 
import flash.net.NetStream; 
 
class VideoDisplay extends Sprite 
{ 
    private var _video:Video; 
    private var _ns:NetStream; 
    private var _duration:Number; 
    public var onMetaData:Function; 
    public function VideoDisplay(url:String,auto:Boolean=false) 
    { 
        var nc:NetConnection = new NetConnection(); 
        nc.connect(null); 
        _ns = new NetStream(nc);     
        var client:Object = new Object( ); 
        client.onMetaData = function(data:Object):void { 
            //trace(data.duration); 
            _duration = data.duration; 
            if(onMetaData!=null){ 
                onMetaData(); 
            } 
             
        }; 
        _ns.client = client; 
        _video = new Video(1920,1080); 
        _video.attachNetStream(_ns); 
        _ns.play(url); 
        if(!auto){ 
            _ns.seek(0); 
            _ns.pause(); 
        } 
        this.addChild(_video); 
    }     
    public function play():void 
    { 
        _ns.resume(); 
    } 
    public function pause():void 
    { 
        _ns.pause(); 
    } 
    public function seek(offset:Number):void 
    { 
        _ns.seek(offset); 
    } 
    public function get duration():Number 
    { 
        return _duration; 
    } 
    public function get time():Number 
    { 
        return _ns.time; 
    } 
} 

[as3]as3实现mp4视频无缝循环播放的源代码范例

http://www.cnblogs.com/frost-yen/p/5817985.html