Python: OpenCVでウェブカメラ表示と録画

opencvCameraRecord.py

#!/usr/bin/env python
from PIL import Image
import cv2 as cv

# FPS
fps = 30
# Frame size    
WIDTH=1920
HEIGHT=1080
size = (WIDTH, HEIGHT)

#Setting recording format
fourcc = cv.VideoWriter_fourcc(*'XVID')
#fourcc = cv.VideoWriter_fourcc('M', 'J', 'P', 'G')

#Recording file Setting
video = cv.VideoWriter('sample.avi', fourcc, fps, size)

#Camera Setting
camera = cv.VideoCapture(0) 
camera.set(cv.CAP_PROP_FRAME_WIDTH, WIDTH)
camera.set(cv.CAP_PROP_FRAME_HEIGHT, HEIGHT)
    
try:
    while True:
        #frame read
        _, frame = camera.read()
        cv.imshow('image', frame)
        #record frame
        video.write(frame)
        
        key = cv.waitKey(1)
        if key == 27: # ESC key  for closing 
            video.release()
            f.close()
            break
except KeyboardInterrupt:
    print("Close me? -> Enter ESC")