Capture of smartphone camera fails

Processing Libraries
1 
import processing.video.*;
Capture cam;
Capture cam1;

PGraphics pg1;
PGraphics pg2;
PImage img;
PImage img1;

void setup() {
 size(950, 650, JAVA2D);  // JAVA2D by default
 pg1 = createGraphics(width/2, height/2, JAVA2D);
 pg2 = createGraphics(width/2, height/2, JAVA2D);
 img = createImage(width/2, height/2, RGB);

 String[] cameras = Capture.list();

 if (cameras.length == 0) {
   println("There are no cameras available for capture.");
   exit();
 } else {
   println("Available cameras:");
   for (int i = 0; i < cameras.length; i++) {
     println(cameras[i]);
   }

   cam = new Capture(this, cameras[0]);
   print(cam.width +"  "+cam.height);
   cam.start();
   cam1 = new Capture(this, cameras[1]);
   print(cam1.width +"  "+cam1.height);
  cam1.start();
 }
}

void draw() {
 background(255);
 if (cam.available() == true) {
   cam.read();
 }
 
 if (cam1.available() == true) {
   cam1.read();
 }

 img = cam.copy();
 img1 = cam1.copy();
 pg1.beginDraw();
 pg1.image(img, 0, 0);   // < Or this
 pg1.textAlign(CENTER, CENTER);
 pg1.textSize(96);
 pg1.fill(255,0,0);
 pg1.text("TEST", pg1.width/2, pg1.height/2); 
 pg1.endDraw();
 image(pg1, 0, 0);
 
 pg2.beginDraw();
 pg2.image(img1, 0, 0);   // < Or this
 pg2.textAlign(CENTER, CENTER);
 pg2.textSize(96);
 pg2.fill(255,255,0);
 pg2.text("HELLO", pg1.width/2, pg1.height/2); 
 pg2.endDraw();
 image(pg2, width/2, 0);
}

I am trying to get video inputs from both the built-in web cam and my smartphone camera. I get the following error:

FaceTime HD Camera (Built-in)

Camo Camera  
640  480 640  480

** (Processing core video:1726): CRITICAL **: 15:42:15.432:  
gst_video_frame_map_id: assertion 'info->width <= meta->width' failed

MacOS 10.14.6, Processing 4, Processing video library using GStreamer 1.16.2,
Android 10 (MIUI Global), USB connection,
Camo 0.9.10.