@vikasietum_tecknology/record-rtc/simple-demos/RecordRTC_Extension.html

record-rtc is a library based on recordrtc library. In this forked version of the original library we have optimized the memory management. The video recording is stored in IndexDB in chunks.

<style>
    html, body {
        margin: 0!important;
        padding: 0!important;
    }

    video {
        max-width: 100%;
    }
</style>

<title>RecordRTC Google Chrome Extension API</title>
<h1>How to use RecordRTC_Extension? <a href="https://github.com/muaz-khan/Chrome-Extensions/tree/master/screen-recording#call-from-your-own-website">Check API/Documentation</a></h1>
<p>This chrome extension is required: <a href="https://chrome.google.com/webstore/detail/recordrtc/ndcljioonkecdnaaihodjgiliohngojp">Link To Google Chrome Extension</a></p>

<br>

<select id="RecordRTC_Extension_Options">
    <option value="0">Screen Only (without audio)</option>
    <option value="1">Screen + Microphone</option>
    <option value="2">Screen + Speakers</option>
    <option value="3">Screen + Microphone + Speakers</option>
    <option value="4">Chrome Tab</option>
    <option value="5">Chrome Tab (Audio Only)</option>
    <option value="6">Full Screen + Camera</option>
    <option value="7">Microphone + Camera</option>
    <option value="8">Microphone + Speakers</option>
    <option value="9">Microphone Only</option>
    <option value="10">Speakers Only</option>
</select>
<button id="btn-start-recording">Start Recording</button>
<button id="btn-stop-recording" disabled>Stop Recording</button>

<hr>
<video controls autoplay playsinline></video>


<script>
if(typeof RecordRTC_Extension === 'undefined') {
    alert('RecordRTC chrome extension is either disabled or not installed.');
}

// first step
var recorder = new RecordRTC_Extension();

var video = document.querySelector('video');

function stopRecordingCallback(blob) {
    video.src = video.srcObject = null;
    video.src = URL.createObjectURL(blob);
    recorder = null;
}

document.getElementById('btn-start-recording').onclick = function() {
    this.disabled = true;
    // you can find list-of-options here:
    // https://github.com/muaz-khan/Chrome-Extensions/tree/master/screen-recording#getsupoortedformats
    var options = recorder.getSupoortedFormats()[document.getElementById('RecordRTC_Extension_Options').value];

    // second step
    recorder.startRecording(options, function() {
        document.getElementById('btn-stop-recording').disabled = false;
    });
};

document.getElementById('btn-stop-recording').onclick = function() {
    this.disabled = true;

    // third and last step
    recorder.stopRecording(stopRecordingCallback);
};
</script>

<footer style="margin-top: 20px;"><small id="send-message"></small></footer>
<script src="https://www.webrtc-experiment.com/common.js"></script>