bzkf30
/
ai_mooc_h5


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="zh-CN">

<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <style>
    * {
      margin: 0;
      padding: 0;
    }

    #video {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
  </style>
  <script src="https://unpkg.com/vconsole@latest/dist/vconsole.min.js"></script>
  <script>
    // VConsole 默认会挂载到 `window.VConsole` 上
    var vConsole = new window.VConsole();
  </script>
</head>

<body>
  <video id="video" autoplay></video>
  <button id="saveButton">保存</button>

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

    let mediaRecorder;
    let recordedBlobs;

    if (navigator.mediaDevices.getUserMedia) {
      navigator.mediaDevices.getUserMedia({
        video: {
          width: { ideal: 1920 },
          height: { ideal: 1080 }
        }
      })
        .then(function (stream) {
          video.srcObject = stream;
          mediaRecorder = new MediaRecorder(stream);
          console.log('mediaRecorder : ', mediaRecorder.state, mediaRecorder)
          mediaRecorder.ondataavailable = event => {
            console.log('event : ', event)
            if (event.data && event.data.size > 0) {
              recordedBlobs.push(event.data);
            }
          };
          mediaRecorder.start(1000);
          console.log('mediaRecorder : ', mediaRecorder.state, mediaRecorder)
          recordedBlobs = [];
        })
        .catch(function (err) {
          console.log("Something went wrong!", err);
        });
    }

    // 在用户点击按钮时保存录制的视频
    document.querySelector('#saveButton').addEventListener('click', () => {
      mediaRecorder.stop();
      console.log('recordedBlobs : ', recordedBlobs)
      const blob = new Blob(recordedBlobs, { type: 'video/webm' });
      const url = window.URL.createObjectURL(blob);
      const a = document.createElement('a');
      a.style.display = 'none';
      a.href = url;
      a.download = 'test.webm';
      document.body.appendChild(a);
      a.click();
      setTimeout(() => {
        document.body.removeChild(a);
        window.URL.revokeObjectURL(url);
      }, 100);
    });
  </script>
</body>

</html>