* Copyright (c) 2025 Huawei Device Co., Ltd.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/-->
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
</head>
<body>
<video id="video" width="500px" height="500px" autoplay></video>
<canvas id="canvas" width="500px" height="500px"></canvas>
<br>
<input type="button" title="HTML5摄像头" value="开启摄像头" onclick="getMedia()"/>
<script>
function getMedia()
{
let constraints = {
video: {width: 500, height: 500},
audio: true
};
let video = document.getElementById('video');
let promise = navigator.mediaDevices.getUserMedia(constraints);
promise.then(function(MediaStream) {
video.srcObject = MediaStream;
video.play();
}).catch(function(err) {
console.info(err.name + ': ' + err.message);
});
}
</script>
</body>
</html>