CENTRO DE REACCION ACTIVA SEGURIDAD PRIVADA S.A. DE C.V.
'use strict';
const video = document.getElementById('video');
const canvas = document.getElementById('canvas');
const snap = document.getElementById("snap");
const errorMsgElement = document.querySelector('span#errorMsg');
const constraints = {
audio: true,
video: {
width: 1280, height: 720
}
};
// Access webcam
async function init() {
try {
const stream = await navigator.mediaDevices.getUserMedia(constraints);
handleSuccess(stream);
} catch (e) {
errorMsgElement.innerHTML = `navigator.getUserMedia error:${e.toString()}`;
}
}
// Success
function handleSuccess(stream) {
window.stream = stream;
video.srcObject = stream;
}
// Load init
init();
// Draw image
var context = canvas.getContext('2d');
snap.addEventListener("click", function() {
context.drawImage(video, 0, 0, 640, 480);
});
