如何在Angular 8 App中集成视频聊天模块？

npm install --save @types/webrtc
npm install --save ngx-webrtc

ng generate component video-chat

import { Component, OnInit } from '@angular/core';
import { WebRTCService } from 'ngx-webrtc';

@Component({
  selector: 'app-video-chat',
  templateUrl: './video-chat.component.html',
  styleUrls: ['./video-chat.component.css']
})
export class VideoChatComponent implements OnInit {

  constructor(private webrtcService: WebRTCService) { }

  ngOnInit() {
    this.webrtcService.init();
  }

}

<div>
  <video webrtcVideo></video>
  <button (click)="startCall()">Start Call</button>
  <button (click)="endCall()">End Call</button>
</div>

import { Component, OnInit } from '@angular/core';
import { WebRTCService } from 'ngx-webrtc';

@Component({
  selector: 'app-video-chat',
  templateUrl: './video-chat.component.html',
  styleUrls: ['./video-chat.component.css']
})
export class VideoChatComponent implements OnInit {

  constructor(private webrtcService: WebRTCService) { }

  ngOnInit() {
    this.webrtcService.init();
  }

  startCall() {
    this.webrtcService.call();
  }

  endCall() {
    this.webrtcService.hangup();
  }

}