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niandeng
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package ckaction.player {
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import ckaction.act.script;
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import ckaction.act.timeInterval;
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import ckaction.C.C;
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import ckaction.act.des;
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import ckaction.act.timeOut;
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import ckaction.process.getVideoMeta;
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public class httpmerge {
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public var videoUrl: Array = [];
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public var netStatus: Function = null,
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streamSendOut: Function = null,
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error: Function = null; //发送流状态的函数，发送流的函数，统一用来报错的函数
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public var speedFun:Function=null;
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private var timeTotal: Number = 0,
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bytesTotal: Number = 0; //总时间，总字节
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private var timeArr: Array = [],
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bytesArr: Array = []; //时间数组，字节数组
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//private var DRAG:String="";
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private var isClear: Boolean = false; //默认不清除
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private var nowVolume: Number = 0;
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private var playNum: int = 0; //当前播放的视频编号
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private var loadNum: int = 0; //加载编号
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private var bytesMax:int=0;//已加载的编号最大编号
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private var nsArr: Array = [],
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streamArr: Array = [];
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private var loadedArr: Array = []; //是否已加载0=没有加载，1=正在加载，2=已加载
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private var interBytes: timeInterval = null;
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private var loadFrist:Boolean=true;
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private var loadNext: int = 0;
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private var playSeek: Number = -1; //默认要跳转的秒数，只有在跳转到新时间而相应的视频段没有加载的情况下才需要用到
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private var getMeta:getVideoMeta=null;
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public function httpmerge() {
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// constructor code
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//DRAG=C.CONFIG["flashvars"]["drag"];
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}
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public function load(): void {
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if (isClear) { //如果已被清除，则不进行下面的动作
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return;
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}
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trace("新建了一个视频");
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//script.traceObject(videoUrl);
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loadNext = C.CONFIG["config"]["loadNext"];
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var tempUrl:Object=videoUrl[0];
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if(!tempUrl.hasOwnProperty("duration") || !tempUrl.hasOwnProperty("bytesTotal")){
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getMeta=new getVideoMeta(videoUrl,loadUrl,speed);
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}
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else{
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loadUrl()
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}
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}
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private function speed(t:int=0):void{
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speedFun(Math.ceil(t*100/videoUrl.length));
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}
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private function loadUrl(ele:Array=null):void{
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if (isClear) { //如果已被清除，则不进行下面的动作
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return;
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}
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if(ele!=null){
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videoUrl=ele;
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}
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for (var i: int = 0; i < videoUrl.length; i++) {
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var stream: httpstream = new httpstream();
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if(C.CONFIG["flashvars"]["unescape"]){
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stream.videoUrl = unescape(des.getString(videoUrl[i]["file"]));
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}
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else{
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stream.videoUrl = des.getString(videoUrl[i]["file"]);
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}
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stream.netStatus = NetStatus;
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stream.streamSendOut = StreamSendOut;
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stream.error = errorNow;
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stream.NUM = i;
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loadedArr.push(0);
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nsArr.push(stream);
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streamArr.push(null);
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//计算总时间
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timeArr.push(Number(videoUrl[i]["duration"]));
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bytesArr.push(Number(videoUrl[i]["bytesTotal"]));
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}
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nsArr[0].load();
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loadedArr[0]=1;
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timeTotal = script.arrSum(timeArr);
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bytesTotal = script.arrSum(bytesArr);
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if (loadNext == 0) {
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loadNext = nsArr.length;
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}
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}
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private function NetStatus(status: String, n: int = 0) {
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//trace(status);
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//trace("接爱到状态",n,status,new Date().getMilliseconds());
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//trace("httpmerge",status);
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switch (status) {
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case "NetStream.Play.Stop": //播放完毕
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trace(playNum,n);
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if (playNum == n && playNum < nsArr.length - 1) { //说明是播放结束
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nsArr[playNum].videoPause();
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trace("开始请求下一段",new Date().getMilliseconds());
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newPlay(playNum+1, 0); //播
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}
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break;
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default:
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break;
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}
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if (playNum == n) {
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if (n == 0) {
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if (status != "NetStream.Play.Stop") {
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netStatus(status);
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}
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}
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else if (n < nsArr.length - 1) {
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if (status != "NetStream.Play.Stop" && status != "NetStream.Play.Start") {
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netStatus(status);
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}
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}
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else {
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if (status != "NetStream.Play.Start") {
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netStatus(status);
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}
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}
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}
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}
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private function StreamSendOut(obj: Object, n: int = 0): void {
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if (isClear) {
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return;
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}
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if (streamArr[n] == null) {
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streamArr[n] = obj;
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}
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bytesArr[n] = obj["metaData"]["bytesTotal"]; //更新当前段的字节
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if (loadFrist) {
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//trace("playSeek",playSeek);
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loadFrist=false;
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obj["metaData"]["duration"] = timeTotal;
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obj["metaData"]["bytesTotal"] = bytesTotal;
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streamSendOut(obj);
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}
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else {
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if (playNum == n) {
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streamSendOut(obj);
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//trace("playSeek",playSeek);
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if(playSeek>-1){
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nsArr[playNum].videoSeek(playSeek);
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playSeek=-1;
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}
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videoVolume(nowVolume);
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}
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else {
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nsArr[n].videoPause();
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}
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}
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if (!interBytes) {
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interBytes = new timeInterval(200, interBytesHandler);
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}
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interBytes.start();
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}
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private function interBytesHandler(): void {
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//判断是否需要加载下一项
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var loaded: Number = nsArr[loadNum].getBytesLoaded();
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var loadTotal: Number = nsArr[loadNum].getBytesTotal();
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if (loaded >= loadTotal) {
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loadedArr[loadNum] = 2; //说明该段已加载
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if ((loadNum - playNum) < loadNext && loadNum < (nsArr.length - 1)) {
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loadNum++;
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if (loadedArr[loadNum] == 0) {
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nsArr[loadNum].load();
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loadedArr[loadNum] = 1; //说明该段正在加载
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}
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}
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else {
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interBytes.stop();
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}
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}
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}
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//提供给外部调用使用
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public function getTime(): Number {
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//trace(nsArr[playNum].getTime());
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//trace(nsArr[playNum].getTime(),script.arrSum(timeArr, playNum));
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//trace("当前播放：",playNum);
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var temp:Number=nsArr[playNum].getTime() + script.arrSum(timeArr, playNum);
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//trace(temp,"==");
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if(temp<timeTotal){
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return temp;
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}
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else{
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return timeTotal;
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}
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}
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public function getBytesLoaded(): Number {
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var temp:Number=nsArr[loadNum].getBytesLoaded() + script.arrSum(bytesArr, loadNum);
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if(temp>bytesMax){
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bytesMax=temp;
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}
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return bytesMax;
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}
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public function getDuration(): Number {
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return timeTotal;
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}
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public function getBytesTotal(): Number {
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return bytesTotal;
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}
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public function getBufferTime(): Number {
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return nsArr[playNum].getBufferTime();
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}
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public function getBufferLength(): Number {
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return nsArr[playNum].getBufferLength();
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}
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public function videoPlay(): void {
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nsArr[playNum].videoPlay();
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}
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public function videoPause(): void {
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nsArr[playNum].videoPause();
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}
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public function videoSeek(time: Number = 0): void {
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//nsArr[playNum].videoSeek();
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//计算该时间属于第几段
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var position: int = 0; //属于第几段
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var t: int = 0;
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for (var i: int = 0; i < timeArr.length; i++) {
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t += timeArr[i];
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if (t > time) {
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position = i;
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break;
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}
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}
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var tempTime: int = time - script.arrSum(timeArr, position);
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//trace("客户",time,script.arrSum(timeArr, position-1),script.arrSum(timeArr, position),tempTime);
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if (position == playNum) { //在目前已播放的段落里播放
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nsArr[playNum].videoSeek(tempTime);
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}
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else { //不在目前已播放的段落里播放
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//trace("要跳转的===============",timeArr, position);
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nsArr[playNum].videoPause();
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newPlay(position, tempTime);
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}
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//trace("要跳转的",position,tempTime);
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}
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private function newPlay(position: int = 0, tempTime: int = 0): void { //播放指定段，指定时间
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//trace("跳转测试",streamArr[position] != null,playNum,position);
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playNum = position;
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if (streamArr[position] != null) { //如果要跳转的段落已加载
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//trace("执行监测时间01",new Date().getMilliseconds());
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streamSendOut(streamArr[position]);
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//trace("执行监测时间02",new Date().getMilliseconds());
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nsArr[position].videoSeek(tempTime);
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//trace("执行监测时间03",new Date().getMilliseconds());
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videoPlay();
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videoVolume(nowVolume);
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interBytes.start();
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}
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else {
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deleteLoad();
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playSeek = tempTime;
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loadNum = position;
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interBytes.stop();
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nsArr[loadNum].load();
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loadedArr[loadNum] = 1; //说明该段正在加载
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}
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}
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private function deleteLoad(): void {
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//清除所有在加载又没有加载完的段数
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for (var i: int = 0; i < loadedArr.length; i++) {
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if (loadedArr[i] == 1 || (i<playNum && C.CONFIG["config"]["smartRemove"])) {
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nsArr[i].clear();
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nsArr[i]=null;
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var stream: httpstream = new httpstream();
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stream.videoUrl = des.getString(videoUrl[i]["file"]);
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stream.netStatus = NetStatus;
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stream.streamSendOut = StreamSendOut;
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stream.error = error;
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stream.NUM = i;
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nsArr[i]=stream;
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streamArr[i]=null;
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loadedArr[i]=0;
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}
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}
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}
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public function videoVolume(val: Number = 0): void { //修改音量
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nowVolume = val;
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nsArr[playNum].videoVolume(val);
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}
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public function clear(): void {
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isClear = true; //设置清除
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for (var i = 0; i < nsArr.length; i++) {
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nsArr[i].clear();
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}
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if(getMeta){
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getMeta.clear();
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getMeta=null;
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}
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}
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public function errorNow(string:String=""):void{
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clear();
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error(string);
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}
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}
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}
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