Access RTSP or UDP video stream that is streamed using FFMPEG

LocalFFMEGStreamAccess.py

# ffmpeg -i video.mp4 -v 0 -vcodec mpeg4 -f mpegts udp://192.168.0.101:23000

import os

cap = cv2.VideoCapture('udp://192.168.0.101:23000?overrun_nonfatal=1&fifo_size=50000000')
# cap = cv2.VideoCapture('rtsp://192.168.0.101')
os.environ["OPENCV_FFMPEG_CAPTURE_OPTIONS"] = "udp_transport;0"
# os.environ["OPENCV_FFMPEG_CAPTURE_OPTIONS"] = "rtsp_transport;0"

while cap.isOpened():

    ret, frame = cap.read()
    if ret:
        cv2.imshow('Test', frame)
        if cv2.waitKey(1) & 0xFF == ord('q'): break

cap.release()
cv2.destroyAllWindows()