YNUtdPlatform/static/jsFile/testVideo.html

69 lines
2.1 KiB
HTML

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.5.1/jquery.min.js"></script>
<style>
video{
width: 300px;
height: 300px;
border: 1px solid #ccc;
}
canvas{
width: 300px;
height: 300px;
border: 1px solid red;
}
</style>
<title>Document</title>
</head>
<body>
<video id="video" width="640" height="480" autoplay></video>
<button id="snap">Snap Photo</button>
<canvas id="canvas" width="640" height="480"></canvas>
</body>
</html>
<script>
// Grab elements, create settings, etc.
// Get access to the camera!
if(navigator.mediaDevices && navigator.mediaDevices.getUserMedia) {
// Not adding `{ audio: true }` since we only want video now
navigator.mediaDevices.getUserMedia({ video: true }).then(function(stream) {
//video.src = window.URL.createObjectURL(stream);
video.srcObject = stream;
video.play();
});
}
/* Legacy code below: getUserMedia
else if(navigator.getUserMedia) { // Standard
navigator.getUserMedia({ video: true }, function(stream) {
video.src = stream;
video.play();
}, errBack);
} else if(navigator.webkitGetUserMedia) { // WebKit-prefixed
navigator.webkitGetUserMedia({ video: true }, function(stream){
video.src = window.webkitURL.createObjectURL(stream);
video.play();
}, errBack);
} else if(navigator.mozGetUserMedia) { // Mozilla-prefixed
navigator.mozGetUserMedia({ video: true }, function(stream){
video.srcObject = stream;
video.play();
}, errBack);
}
*/
// Elements for taking the snapshot
var canvas = document.getElementById('canvas');
var context = canvas.getContext('2d');
var video = document.getElementById('video');
// Trigger photo take
document.getElementById("snap").addEventListener("click", function() {
context.drawImage(video, 0, 0, 640, 480);
});
</script>