Camera Webcam

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I got an Idea from webcam on Mac. Which there is a filter with love  on our head, actually i want to make it like that but i dont know how to make it. So, its just turn like this.

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https://drive.google.com/file/d/19uXz1pkPWQ5do-PB2cB8ZV6p7hdDAUrP/view?usp=sharing

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import processing.sound.*;
import gab.opencv.*;
import java.awt.*;
import processing.video.*;
int mode = 0;
Capture video;
SoundFile loveffect;
PImage love;
OpenCV opencv;

void setup() {
   love = loadImage("love.png");
   size(900, 900);
   video = new Capture(this,320,240);
   opencv = new OpenCV(this, 320, 240);
  opencv.loadCascade(OpenCV.CASCADE_FRONTALFACE);  
   video.start();
   loveffect = new SoundFile(this, "loveffect.mp3");
   loveffect.play();
}
void draw() {
   if(video.available()){// same thing
     video.read();
   }
   
     scale(2);
  opencv.loadImage(video);

  image(video, 0, 0 );

  noFill();
  stroke(0, 255, 0);
  strokeWeight(3);
  Rectangle[] faces = opencv.detect();
  println(faces.length);

  for (int i = 0; i < faces.length; i++) {
    image(love,faces[i].x,faces[i].y);
  }
   
}