import cv2
cap=cv2.VideoCapture("C:/Users/Hp/Videos/Captures/vtest.avi")
ret,frame1=cap.read()
ret,frame2=cap.read()
while cap.isOpened():
    diff=cv2.absdiff(frame1,frame2)
    gray=cv2.cvtColor(diff,cv2.COLOR_BGR2GRAY)
    blur=cv2.GaussianBlur(gray,(5,5),0)
    _,thresh=cv2.threshold(blur,127,255,cv2.THRESH_BINARY)
    dilated=cv2.dilate(thresh,None,iterations=3)
    contours,_=cv2.findContours(dilated,cv2.RETR_TREE,cv2.CHAIN_APPROX_SIMPLE)
    for contour in contours:
        [x,y,w,h]=cv2.cv2.boundingRect(contour)
        if cv2.contourArea(contour)<900:
            continue
        cv2.rectangle(frame1,(x,y),(x+w,y+h),(0,255,0),3)
        cv2.putText(frame1,"status:{}".format("movement"),(10,20),cv2.FONT_HERSHEY_COMPLEX,1,(0,255,0),3)

    cv2.drawContours(frame1,contours,-1,(0,255,0),3)
    cv2.imshow("feed",frame1)
    frame1=frame2
    ret,frame2=cap.read()
    k=cv2.waitKey(40)
    if k==ord("q"):
        break
cv2.destroyAllWindows()
cap.release()
