So, I am working on a project which is basically just passthrough, like the desktop background is your camera (like on vr and stuff). It does work but there is like a one second lag between updating the frames, can someone please help me reduce or even get rid of lag?

passthrough.py:

# importing libraries
import cv2
import time
import os
import ctypes
from wallpaper import set_wallpaper, get_wallpaper

# initialize the camera 
cam_port = 0
frame = 0
cam = cv2.VideoCapture(cam_port)

def UpdateFrame():
    global frame
    cam = cv2.VideoCapture(cam_port)
    result, image = cam.read()
    # saving image in local storage
    cv2.imwrite("D:/aaron/Desktop/passthrough/frame_" + str(frame) + ".png", image)
    # setting the frames to the desktop background
    os.system("D:/aaron/Desktop/passthrough/set_wallpaper_bat.bat " + str(frame))
    
    if frame > 0:
        os.remove("D:/aaron/Desktop/passthrough/frame_" + str(frame - 1) + ".png")
    frame = frame + 1

# update frames
while True:
    UpdateFrame()

set_wallpaper_bat.bat:

cd D:/Aaron/Programs/Python/Python311/Lib/site-packages/wallpaper
win-wallpaper.exe set "D:/aaron/Desktop/passthrough/frame_%1.png"

I tried to use ctypes.windll.user32.SystemParametersInfoW but it didnt work at all, my desktop background just went pitch black.