record-canvas-to-video.html

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  <title>MediaRecorder examples - Record canvas to video</title>
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    <h1><a href="index.html">MediaRecorder examples</a></h1>
    <p>Record canvas to video</p>
    <p>This example renders white noise in a <code>canvas</code> for three seconds and records the output in a video clip, using <code>canvas.captureStream</code> and <code>MediaRecorder</code></p>
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    <figure>
      <canvas id="canvas" width="320" height="320"></canvas><br>
      <caption>This is a <code>canvas</code> element</caption>
    </figure>
    <figure>
      <video id="video" controls loop></video><br>
      <caption>This is a <code>video</code> element</caption>
    </figure>
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