LocalVideoStreamInBrowser/ENG_index.html at main · MarkoBaru/LocalVideoStreamInBrowser · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Fullscreen Autoplay Video</title>
  <style>
    html, body {
      margin: 0;
      padding: 0;
      background: black;
      height: 100%;
    }
    video {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
  </style>
</head>
<body>
  <video id="video" autoplay muted playsinline loop>
    <source src="video.mp4" type="video/mp4">
    Your browser does not support the video tag.
  </video>

  <script>
    const video = document.getElementById("video");

    function startPlayback() {
      video.play().catch(console.warn);
      if (document.fullscreenElement === null) {
        video.requestFullscreen().catch(console.warn);
      }
    }

    // Start video and fullscreen on page load
    window.addEventListener("load", startPlayback);

    // Resume playback when tab becomes visible again
    document.addEventListener("visibilitychange", () => {
      if (!document.hidden) {
        startPlayback();
      }
    });

    // Clicking the video also triggers playback/fullscreen
    video.addEventListener("click", startPlayback);
  </script>
</body>
</html>