I have spent the last 4 days trying to resolve this issue. I'm finally at the point that no suggestions online have helped. I'm trying to build a "simple" cordova app that uses face-api.js for mood/expression detection on a real-time local camera feed. The setup is simple: video using iosrtc cordova plugin and then using face-api-js on a canvas overlay to draw face landmarks..etc.
I receive the following error when using safari console (as i'm testing directly on an ios device). [Error] Failed to load resource: The requested URL was not found on this server. (null, line 0) file:///private/var/containers/Bundle/Application/6ADC69C6-C6F1-45D9-B609-0C85B3E47C4A/Angel.app/www/null
The strange thing is that it seems that the data image resolves after a second or two. You can see that happening here:
Notice the images start to resolve as my "interval code" repeats: 
Let's dive into the code:
HTML
<!DOCTYPE html>
<html>
<head>
<meta
http-equiv="Content-Security-Policy"
content=" media-src * blob: ; script-src * 'self' 'unsafe-inline' 'unsafe-eval'; connect-src * blob: http: https: 'self' 'unsafe-inline' 'unsafe-eval' http://*/* https://*/* https://*:* "
/>
<meta name="format-detection" content="telephone=no" />
<meta name="msapplication-tap-highlight" content="no" />
<meta
name="viewport"
content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=no,viewport-fit=cover"
/>
<link rel="stylesheet" type="text/css" href="css/index.css" />
<link
href="https://fonts.googleapis.com/css?family=Roboto+Mono:400,500,700"
rel="stylesheet"
type="text/css"
/>
<link
href="https://fonts.googleapis.com/css?family=Roboto:400,500,700,400italic"
rel="stylesheet"
type="text/css"
/>
<link
href="https://fonts.googleapis.com/icon?family=Material+Icons"
rel="stylesheet"
type="text/css"
/>
<title>Angel</title>
</head>
<body>
<div class="app">
<!--*******************
local video stream
********************-->
<div class="local-stream" id="local-stream"></div>
</div>
<script type="text/javascript" src="cordova.js"></script>
<script type="text/javascript" src="js/faceapi/face-api.js"></script>
<script type="text/javascript" src="js/main.js"></script>
</body>
</html>
JS:
document.addEventListener("deviceready", function () {
(async () => {
let MODEL_URL =
window.cordova.file.applicationDirectory + "www/assets/models/";
let videoContainer = document.getElementById("local-stream");
var localStream, localVideoEl;
localVideoEl = document.createElement("video");
localVideoEl.style.height = "250px";
localVideoEl.style.width = "250px";
localVideoEl.setAttribute("autoplay", "autoplay");
localVideoEl.setAttribute("playsinline", "playsinline");
localVideoEl.setAttribute("id", "video");
localVideoEl.setAttribute("class", "local-video");
videoContainer.appendChild(localVideoEl);
cordova.plugins.iosrtc.registerGlobals();
return navigator.mediaDevices
.getUserMedia({
video: true,
audio: true,
})
.then(function (stream) {
console.log("getUserMedia.stream", stream);
console.log("getUserMedia.stream.getTracks", stream.getTracks());
// Note: Expose for debug
localStream = stream;
// Attach local stream to video element
localVideoEl.srcObject = localStream;
//return localStream;
(async () => {
await faceapi.nets.ssdMobilenetv1.loadFromUri(
"MYHOSTEDMODELS(THIS WORKS FINE)"
);
await faceapi.nets.faceLandmark68Net.loadFromUri(
"MYHOSTEDMODELS(THIS WORKS FINE)"
);
await faceapi.nets.faceExpressionNet.loadFromUri(
"MYHOSTEDMODELS(THIS WORKS FINE)"
);
await faceapi.nets.faceRecognitionNet.loadFromUri(
"MYHOSTEDMODELS(THIS WORKS FINE)"
);
const video = document.getElementById("video");
const canvas = faceapi.createCanvasFromMedia(video);
videoContainer.append(canvas);
const dimensions = {
width: 250,
height: 250,
};
faceapi.matchDimensions(canvas, dimensions);
setInterval(async () => {
let detection = await faceapi
.detectAllFaces(video)
.withFaceLandmarks()
.withFaceExpressions()
.withFaceDescriptors();
let resizedDimensions = faceapi.resizeResults(
detection,
dimensions
);
//DRAW ON CAMERA IF YOU WANT.
canvas.getContext("2d").clearRect(0, 0, 250, 250);
faceapi.draw.drawDetections(canvas, resizedDimensions);
faceapi.draw.drawFaceLandmarks(canvas, resizedDimensions);
faceapi.draw.drawFaceExpressions(canvas, resizedDimensions);
}, 100);
})();
})
.catch(function (err) {
console.log("getUserMedia.error errrrr", err, err.stack);
});
})().then(() => {});
});
PLUGINS (package.json)
"cordova": {
"plugins": {
"cordova-plugin-whitelist": {},
"cordova.plugins.diagnostic": {},
"cordova-plugin-statusbar": {},
"cordova-plugin-background-mode": {},
"cordova-plugin-ipad-multitasking": {},
"cordova-custom-config": {},
"cordova-plugin-file": {},
"cordova-plugin-device": {},
"cordova-plugin-wkwebview-engine": {},
"@globules-io/cordova-plugin-ios-xhr": {},
"cordova-plugin-iosrtc": {
"MANUAL_INIT_AUDIO_DEVICE": "FALSE"
}
},
"platforms": [
"browser",
"ios"
]
},
ONE LAST NOTE: Video plays correctly. It's the face-api that seems to blow the entire thing up. ANY HELP WOULD BE MUCH APPRECIATED!!!!
from Cordova -> face-api-js [Error] Failed to load resource: The requested URL was not found on this server. (null, line 0)
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