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gum_simple.html
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<!DOCTYPE html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Simple Video camera getUserMedia() demo</title>
<script type="text/javascript">
/* global URL */
function requestVideo() {
navigator.mediaDevices.getUserMedia({video: true, audio: false},
getUserMediaOkCallback,
getUserMediaFailedCallback);
}
function getUserMediaFailedCallback(error) {
console.error('User media request denied with error code ' + error.code);
}
function getUserMediaOkCallback(stream) {
var video_tag = document.createElement('video');
video_tag.src = URL.createObjectURL(stream);
document.body.appendChild(video_tag);
video_tag.play();
}
requestVideo();
</script>
</head>
<body>
<div> Automatically open the (first) system camera in its (native) 640x480 resolution.</div>
</body>
</html>