Video Recording Test

index.html

 <h1><a href="//webrtc.github.io/samples/" title="WebRTC samples homepage">WebRTC samples</a>
        <span>MediaRecorder</span></h1>

    <p>For more information see the MediaStream Recording API <a
            href="http://w3c.github.io/mediacapture-record/MediaRecorder.html"
            title="W3C MediaStream Recording API Editor's Draft">Editor's&nbsp;Draft</a>.</p>

    <video id="gum" playsinline autoplay muted></video>
    <video id="recorded" playsinline loop></video>

    <div>
        <button id="start">Start camera</button>
        <button id="record" disabled>Start Recording</button>
        <button id="play" disabled>Play</button>
        <button id="download" disabled>Download</button>
    </div>

    <div>
        <h4>Media Stream Constraints options</h4>
        <p>Echo cancellation: <input type="checkbox" id="echoCancellation"></p>
    </div>

    <div>
        <span id="errorMsg"></span>
    </div>

    <a href="https://github.com/opencoca"
       title="View source for this page on GitHub" id="viewSource">View source on GitHub</a>

</div>

<a href="https://github.com/opencoca" class="github-corner" aria-label="View source on GitHub"><svg width="80" height="80" viewBox="0 0 250 250" style="fill:#1fc8db; color:#f5f7fa; position: absolute; top: 0; border: 0; right: 0;" aria-hidden="true"><path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z"></path><path d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7 120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3 125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2" fill="currentColor" style="transform-origin: 130px 106px;" class="octo-arm"></path><path d="M115.0,115.0 C114.9,115.1 118.7,116.5 119.8,115.4 L133.7,101.6 C136.9,99.2 139.9,98.4 142.2,98.6 C133.8,88.0 127.5,74.4 143.8,58.0 C148.5,53.4 154.0,51.2 159.7,51.0 C160.3,49.4 163.2,43.6 171.4,40.1 C171.4,40.1 176.1,42.5 178.8,56.2 C183.1,58.6 187.2,61.8 190.9,65.4 C194.5,69.0 197.7,73.2 200.1,77.6 C213.8,80.2 216.3,84.9 216.3,84.9 C212.7,93.1 206.9,96.0 205.4,96.6 C205.1,102.4 203.0,107.8 198.3,112.5 C181.9,128.9 168.3,122.5 157.7,114.1 C157.9,116.9 156.7,120.9 152.7,124.9 L141.0,136.5 C139.8,137.7 141.6,141.9 141.8,141.8 Z" fill="currentColor" class="octo-body"></path></svg></a><style>.github-corner:hover .octo-arm{animation:octocat-wave 560ms ease-in-out}@keyframes octocat-wave{0%,100%{transform:rotate(0)}20%,60%{transform:rotate(-25deg)}40%,80%{transform:rotate(10deg)}}@media (max-width:500px){.github-corner:hover .octo-arm{animation:none}.github-corner .octo-arm{animation:octocat-wave 560ms ease-in-out}}</style>

scripts

<script src="https://webrtc.github.io/adapter/adapter-latest.js"></script>
<script src="https://rawcdn.githack.com/webrtc/samples/80bd65f6d72f21db90e2a9edafdb108aa0c93e8d/src/content/getusermedia/record/js/main.js"></script>

style.less

/*
 *  Copyright (c) 2015 The WebRTC project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree.
 */
 button {
  margin: 0 3px 10px 0;
  padding-left: 2px;
  padding-right: 2px;
  width: 99px;
}

button:last-of-type {
  margin: 0;
}

p.borderBelow {
  margin: 0 0 20px 0;
  padding: 0 0 20px 0;
}

video {
  vertical-align: top;
  --width: 25vw;
  width: var(--width);
  height: calc(var(--width) * 0.5625);
}

video:last-of-type {
  margin: 0 0 20px 0;
}

video#gumVideo {
  margin: 0 20px 20px 0;
}

styles

<link href="https://codepen.io/openco/pen/BjqVEo" rel="stylesheet" />

video-recording-test.markdown

Video Recording Test

A Pen by Alexander Somma on CodePen.

License.