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我正在尝试使用AntMedia实现 Livestream ，所以我有这个 Angular 10 项目，我需要在其中导入 webrtc_adaptor.js。

我的 webrtc_adaptor.js 是这样开始的：

function WebRTCAdaptor(initialValues)
{
   class PeerStats {

    constructor(streamId) {
     this.streamId = streamId;
     this.totalBytesReceivedCount = 0;
     this.totalBytesSent = 0;
     this.packetsLost = 0;
     this.fractionLost = 0;
     this.startTime = 0;
     this.lastBytesReceived = 0;
     this.lastBytesSent = 0;
     this.currentTimestamp = 0;
     this.lastTime = 0;
     this.timerId = 0;
     this.firstByteSentCount = 0;
     this.firstBytesReceivedCount = 0;
     this.audioLevel = -1;
    }
 }

要导入它，我将它添加到我的 angular.json 以下行：

        "scripts": [
          "src/main/webapp/app/entities/master/livestream/video/webrtc_adaptor.js"
        ]

在我的 Angular 组件中，我添加了：

declare let WebRTCAdaptor: any;

在我的课堂上，我补充说：

webRTCAdaptor: any;

this.webRTCAdaptor = new WebRTCAdaptor({
  websocket_url : "wss://your_server_url:5443/WebRTCAppEE/websocket",
  mediaConstraints : mediaConstraints,
  peerconnection_config : pc_config,
  sdp_constraints : sdpConstraints,
  remoteVideoId : "remoteVideo",
  isPlayMode: true,
  debug: true,
  callback : function(info, description)
});

我基于AntMedia 手册来执行此操作，毕竟我仍然收到以下错误：

  ERROR ReferenceError: WebRTCAdaptor is not defined
   at VideoComponent.startLive (video.component.ts?a313:85)
   at VideoComponent.onSuccess (video.component.ts?a313:110)
   at SafeSubscriber.eval [as _next] (video.component.ts?a313:78)
   at SafeSubscriber.__tryOrUnsub (Subscriber.js?ee8f:183)
   at SafeSubscriber.next (Subscriber.js?ee8f:122)
   at Subscriber._next (Subscriber.js?ee8f:72)
   at Subscriber.next (Subscriber.js?ee8f:49)
   at MapSubscriber._next (map.js?949c:35)
   at MapSubscriber.next (Subscriber.js?ee8f:49)
   at FilterSubscriber._next (filter.js?a4b6:33)

有人可以帮我找出我做错了什么吗？

谢谢。

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