Video_handling
Creating a video using OpenCV 2.4.0 in python
https://stackoverflow.com/questions/14440400/creating-a-video-using-opencv-2-4-0-in-python
파일을 steam으로 전달
vs = cv2.VideoCapture('exmaple_01.mp4')
while True:
# read the next frame from the video stream and resize it
frame = vs.read() #파일 읽기