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niandeng
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package ckaction.player {
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import flash.net.NetConnection;
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import flash.net.NetStream;
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import ckaction.C.C;
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import flash.events.NetStatusEvent;
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import flash.events.SecurityErrorEvent;
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import flash.events.AsyncErrorEvent;
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import ckaction.act.script;
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import flash.media.SoundTransform;
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import flash.events.ErrorEvent;
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import ckaction.act.timeInterval;
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import ckaction.act.timeOut;
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public class httpstream {
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public var videoUrl: String = "";
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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 NUM: int = -1; //发送区别编号
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public var usehardwareeecoder:Boolean=false;
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private var nc: NetConnection = null;
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private var ns: NetStream = null;
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private var videoMeta: Object = null;
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private var playUrl: String = ""; //实际要播放的视频地址
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private var startTime: Number = 0,
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startBytes: Number = 0; //用来修正播放时间
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private var startTimeNum: int = 0,startLoadNum:int=0; //用来做3次计数，用来确认是否需要修正时间
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private var isClear: Boolean = false; //默认不清除
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private var frist: Boolean = true;
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private var DRAG: String = "";
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private var duration: Number = 0,
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bytesTotal: Number = 0;
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private var stopTimer: timeInterval = null; //用来在提前结束的情况下最终发送stop的定时器
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private var sendStop = false;
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private var timeCorrect: Boolean = false;
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public function httpstream() {
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DRAG = C.CONFIG["flashvars"]["drag"];
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timeCorrect = C.CONFIG["config"]["timeCorrect"];
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//trace("DRAG", 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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nc = new NetConnection();
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nc.addEventListener(NetStatusEvent.NET_STATUS, netStatusHandler);
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nc.addEventListener(SecurityErrorEvent.SECURITY_ERROR, securityErrorHandler);
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nc.addEventListener(AsyncErrorEvent.ASYNC_ERROR, netSteameErrorHandler);
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nc.connect(null);
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}
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private function netStatusHandler(event: NetStatusEvent): void {
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//trace("this:", event.info.code);
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if (!timeCorrect) {
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if (NUM > -1) {
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netStatus(event.info.code, NUM);
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} else {
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netStatus(event.info.code);
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}
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} else {
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if (event.info.code != "NetStream.Play.Stop") {
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if (NUM > -1) {
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netStatus(event.info.code, NUM);
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} else {
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netStatus(event.info.code);
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}
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} else {
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//trace("=======",getTime() , duration - C.CONFIG["config"]["bufferTime"] * 0.001,duration,C.CONFIG["config"]["bufferTime"] * 0.001);
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if (getTime() >= duration - C.CONFIG["config"]["bufferTime"] * 0.01) {
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if (NUM > -1) {
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netStatus(event.info.code, NUM);
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} else {
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netStatus(event.info.code);
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}
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sendStop = true;
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} else {
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videoPlay();
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if (!stopTimer) {
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stopTimer = new timeInterval(C.CONFIG["config"]["bufferTime"] - 1, stopTimerHandler);
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}
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stopTimer.start();
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//trace("延迟秒数",(duration - getTime()));
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new timeOut((duration - getTime()) * 1000, function () {
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if (!sendStop) {
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//trace("确保发送")
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sendStop = true;
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if (stopTimer) {
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stopTimer.close();
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stopTimer = null;
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}
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if (NUM > -1) {
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netStatus("NetStream.Play.Stop", NUM);
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} else {
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netStatus("NetStream.Play.Stop");
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}
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}
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});
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}
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}
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}
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switch (event.info.code) {
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case "NetConnection.Connect.Success":
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connectStream();
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break;
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default:
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break;
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}
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//trace(event.info.code);
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}
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private function stopTimerHandler(): void {
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if (getTime() >= duration) {
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//trace("发送成功");
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if (NUM > -1) {
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netStatus("NetStream.Play.Stop", NUM);
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} else {
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netStatus("NetStream.Play.Stop");
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}
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sendStop = true;
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stopTimer.close();
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stopTimer = null;
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}
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//trace("检查发送");
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}
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private function securityErrorHandler(event: SecurityErrorEvent): void {}
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private function netSteameErrorHandler(event: AsyncErrorEvent): void {}
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private function connectStream(): 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 (!playUrl) {
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playUrl = videoUrl;
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}
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var customClient = new Object();
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customClient.onMetaData = metaDataHandler;
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ns = new NetStream(nc);
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ns.addEventListener(NetStatusEvent.NET_STATUS, netStatusHandler);
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ns.addEventListener(AsyncErrorEvent.ASYNC_ERROR, netSteameErrorHandler);
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ns.useHardwareDecoder=usehardwareeecoder;
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ns.client = customClient;
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ns.play(playUrl);
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}
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private function metaDataHandler(info: Object): 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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var metaDataObj: Object = {};
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if (!info.hasOwnProperty("duration")) {
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info["duration"] = 0;
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}
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if (frist) {
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info = script.getHttpKey(info);
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info["bytesTotal"] = ns.bytesTotal;
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videoMeta = info;
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if (!info.hasOwnProperty("keytime")) {
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DRAG = "";
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}
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metaDataObj = {
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type: "[object NetStream]",
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metaData: info
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};
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}
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metaDataObj["netStream"] = ns;
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if (bytesTotal == 0 && ns.bytesTotal > 0) {
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bytesTotal = ns.bytesTotal;
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}
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if (duration == 0 && info["duration"] > 0) {
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duration = info["duration"];
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}
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frist = false;
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if (!info.hasOwnProperty("width")) {
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clear();
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error("There is no width for video metadata");
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return;
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}
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if (!info.hasOwnProperty("height")) {
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clear();
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error("There is no height for video metadata");
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return;
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}
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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 (NUM > -1) {
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//trace("运行了load",NUM,metaDataObj);
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streamSendOut(metaDataObj, NUM);
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//trace("运行了load==", NUM);
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} else {
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streamSendOut(metaDataObj);
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}
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}
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private function newPlayUrl(time: Number = 0): 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(videoMeta["keytime"]);
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var keytime: Array = videoMeta["keytime"];
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//trace(keytime.length);
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var keyframes: Array = videoMeta["keyframes"];
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var index: int = 0;
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var start: String = "";
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for (var i: int = 0; i < keytime.length; i++) {
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if (time < keytime[i]) {
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index = i > 0 ? i - 1 : i;
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break;
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}
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}
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if (time > keytime[keytime.length - 1]) {
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index = keytime.length - 1;
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}
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//trace("++++++++++++++++++++++++++++++++++",time);
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//trace(index);
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//trace(keytime[index]);
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//trace("++++++++++++++++++++++++++==========++++++++");
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//script.log(time);
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//script.log(keytime);
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//mp4文件按关键时间点
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var drag: String = script.replace(DRAG, ["time_", "frames_"], ["", ""]);
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if (script.getFileExt(videoUrl) == ".mp4") {
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start = drag + "=" + keytime[index];
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} else {
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start = drag + "=" + keyframes[index];
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}
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if (DRAG.indexOf("time_") > -1) {
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start = drag + "=" + keytime[index];
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}
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if (DRAG.indexOf("frames_") > -1) {
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start = drag + "=" + keyframes[index];
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}
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startTime = keytime[index];
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startBytes = keyframes[index];
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if (videoUrl.indexOf("?") > -1) {
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playUrl = videoUrl.replace("?", "?" + start + "&"); //videoUrl + "&" + start;
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} else {
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playUrl = videoUrl + "?" + start;
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}
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//trace(keytime[index]);
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//trace(playUrl);
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startTimeNum = 0; //重置计数
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startLoadNum=0;
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if (ns) {
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ns.close();
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ns.play(playUrl);
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}
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}
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private function getNewTime(time: Number): Number { //根据当前加载量计算跳转时间
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//var bytesLoaded: Number = ns.bytesLoaded;
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//var bytesTotal: Number = ns.bytesTotal;
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var limitTime: Number = ns.bytesLoaded * duration / bytesTotal;
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if (time > limitTime) {
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return limitTime;
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}
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return time;
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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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if (ns) {
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var time: Number = ns.time;
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//trace("time:",time,startTime,startTimeNum);
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if (time < startTime && startTimeNum<300 && time>0) {
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startTimeNum++;
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}
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if (time < startTime || startTimeNum > 6) {
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time += startTime;
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}
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return time;
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}
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return 0;
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}
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public function getBytesLoaded(): Number {
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if (ns) {
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var bytesLoaded: Number = ns.bytesLoaded;
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//trace("startBytes",startBytes,bytesLoaded);
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if (bytesLoaded < startBytes && startLoadNum<300 && bytesLoaded>0) {
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startLoadNum ++;
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}
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if (bytesLoaded < startBytes || startLoadNum > 6) {
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bytesLoaded += startBytes;
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}
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return bytesLoaded;
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}
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return 0;
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}
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public function getDuration(): Number {
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return duration;
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}
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public function getBytesTotal(): Number {
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//trace(NUM,"总字节:",bytesTotal);
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return bytesTotal;
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}
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public function getBufferTime(): Number {
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if (ns && getTime() < getDuration() - C.CONFIG["config"]["bufferTime"] * 0.001) {
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return ns.bufferTime;
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}
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return (C.CONFIG["config"]["bufferTime"] * 0.001) * 2;
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}
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public function getBufferLength(): Number {
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if (ns) {
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return ns.bufferLength;
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}
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return 0.2;
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}
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public function videoPlay(): void {
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if (ns) {
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ns.resume();
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}
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}
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public function videoPause(): void {
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if (ns) {
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ns.pause();
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}
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}
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public function videoSeek(time: Number = 0): void {
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//trace("要跳转的时间：",time);
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if (ns) {
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if (DRAG == "") {
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ns.seek(getNewTime(time));
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} else {
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if (playUrl.indexOf(script.replace(DRAG, ["time_", "frames_"], ["", ""]) + "=") > -1) {
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newPlayUrl(time);
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} else {
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if (time <= getNewTime(time)) {
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ns.seek(time);
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} else {
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newPlayUrl(time);
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}
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}
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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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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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var v: SoundTransform = ns.soundTransform;
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v.volume = val;
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if (ns) {
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ns.soundTransform = v;
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}
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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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if (nc != null) {
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nc.removeEventListener(NetStatusEvent.NET_STATUS, netStatusHandler);
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nc.removeEventListener(SecurityErrorEvent.SECURITY_ERROR, securityErrorHandler);
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nc = null;
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}
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if (ns != null) {
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ns.dispose();
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ns.removeEventListener(NetStatusEvent.NET_STATUS, netStatusHandler);
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ns.removeEventListener(AsyncErrorEvent.ASYNC_ERROR, netSteameErrorHandler);
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ns = null;
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}
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}
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//提供给外部调用结束
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}
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}
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