function capture(elemID) {
const canvas = document.createElement("canvas");
var video = document.getElementById(elemID)
canvas.width = video.videoWidth
canvas.height = video.videoHeight
canvas.getContext('2d').drawImage(video, 0, 0, canvas.width, canvas.height);
var data = canvas.toDataURL('image/png');
let blobImage = DataURIToBlob(data)
console.log(blobImage)
console.log(data)
}