video-replaces-poster.html - Android社区 - https://www.androidos.net.cn/

<!DOCTYPE html>
<html>
  <head>
  </head>
  <body>
    <p>Test for <a href="https://bugs.webkit.org/show_bug.cgi?id=34965">https://bugs.webkit.org/show_bug.cgi?id=34965</a><br>
      Disable accelerated compositing and reload this test. You should see the test video
      start playing.</p>

    <video width="480" height="270" type="video/mp4"
            src="../../../../LayoutTests/media/content/test.mp4"
            poster="../../../../LayoutTests/media/content/abe.png" autoplay>
    </video>
  </body>
</html>