import cv2
import numpy as np
import matplotlib.pyplot as plt

file = open('dump_y16_640x513_2025-08-23-21_47_05.data','rb')

dy500 = np.zeros(1500)
dy300 = np.zeros(1500)

for i in range(1500):
    frame = file.read(640*513*2+640*513+640*4)
    y8 = np.frombuffer(frame[640*513*2:640*513*2+640*513],dtype=np.uint8).reshape([513,640])
    y16 = np.frombuffer(frame[0:640*513*2],dtype=np.uint16).reshape([513,640])

    dy500[i] = abs(y16[500,:].astype(np.int16) - (y16[501,:]).astype(np.int16)).mean()
    dy300[i] = abs(y16[300,:].astype(np.int16) - (y16[301,:]).astype(np.int16)).mean()


    cv2.imshow("",y8)
    cv2.waitKey(1)


plt.plot(dy500)
plt.plot(dy300)
plt.show()