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app.js
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app.js
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// Set constraints for the video stream
const constraints = window.constraints = { video: { facingMode: "user" }, audio: false };
const video = document.getElementById('video')
Promise.all([
faceapi.nets.tinyFaceDetector.loadFromUri('/models'),
faceapi.nets.faceLandmark68Net.loadFromUri('/models'),
faceapi.nets.faceRecognitionNet.loadFromUri('/models'),
faceapi.nets.faceExpressionNet.loadFromUri('/models')
]).then(startVideo)
// Define constants
const cameraView = document.querySelector("#video"),
cameraOutput = document.querySelector("#camera--output"),
cameraSensor = document.querySelector("#camera--sensor"),
cameraTrigger = document.querySelector("#camera--trigger")
// Access the device camera and stream to cameraView
function startVideo() {
navigator.mediaDevices
.getUserMedia(constraints)
.then(function(stream) {
track = stream.getTracks()[0];
cameraView.srcObject = stream;
})
.catch(function(error) {
console.error("Oops. Something is broken.", error);
});
}
video.addEventListener('playing', () => {
const canvas = faceapi.createCanvasFromMedia(video)
document.body.append(canvas)
const displaySize = { width: video.width, height: video.height }
faceapi.matchDimensions(canvas, displaySize)
setInterval(async () => {
const detections = await faceapi.detectAllFaces(video, new faceapi.TinyFaceDetectorOptions()).withFaceLandmarks().withFaceExpressions()
const resizedDetections = faceapi.resizeResults(detections, displaySize)
canvas.getContext('2d').clearRect(0, 0, canvas.width, canvas.height)
faceapi.draw.drawDetections(canvas, resizedDetections)
faceapi.draw.drawFaceLandmarks(canvas, resizedDetections)
faceapi.draw.drawFaceExpressions(canvas, resizedDetections)
}, 100)
})
// Take a picture when cameraTrigger is tapped
// cameraTrigger.onclick = function() {
// cameraSensor.width = cameraView.videoWidth;
// cameraSensor.height = cameraView.videoHeight;
// cameraSensor.getContext("2d").drawImage(cameraView, 0, 0);
// cameraOutput.src = cameraSensor.toDataURL("image/webp");
// cameraOutput.classList.add("taken");
// };
// Start the video stream when the window loads
// window.addEventListener("load", startVideo, false);x