Python script to record video from camera without cv2.imshow. to stop recording just hit ctrl+c .

record_video.py

import numpy as np
import cv2

cap = cv2.VideoCapture(0)  # for IPCamera format : rtsp://admin:admin@192.168.10.122:554/1

# Define the codec and create VideoWriter object
fourcc = cv2.VideoWriter_fourcc(*'mp4v')
out = cv2.VideoWriter('traffic_video_back.mp4',fourcc, 15.0, (1920,1080))
frame_count = 0
while(cap.isOpened()):
    ret, frame = cap.read()
    if ret==True:
        #frame = cv2.flip(frame,0)

        # write the flipped frame
        out.write(frame)
        frame_count += 1
        if frame_count % 100 == 0:
            print('frame count = ', frame_count)

        #cv2.imshow('frame',frame)
        if cv2.waitKey(1) & 0xFF == ord('q'):
            break
    else:
        pass

# Release everything if job is finished
cap.release()
out.release()
cv2.destroyAllWindows()