Codigo de exemplo para o angular 6 e o video.js

app.component.html

<div class="container-fluid">
  <div class="container">
    <div class="row">
      <div class="col">
        <div class="jumbotron">
          <h3 class="text-center">Player com Video.JS</h3>
        </div>
      </div>
    </div>
    <div class="row">
      <div class="col text-center">
        <video #myvid id="my-video" class="video-js vjs-big-play-centered mini-play"
                width="640" height="360" [poster]="poster" style="margin: auto;">
          <source [src]="video" type="video/mp4">
        </video>
      </div>
    </div>
  </div>
</div>