安装OpenCV
bash
pip install opencv-pythonpython OpenCV 打开摄像头
python
import cv2
WIDTH = 1080
HEIGHT = 720
cap = cv2.VideoCapture(0, cv2.CAP_DSHOW)
cap.set(cv2.CAP_PROP_FRAME_WIDTH, WIDTH)
cap.set(cv2.CAP_PROP_FRAME_HEIGHT, HEIGHT)
while True:
ok,frame = cap.read()
# print("ok", ok)
# print("frame", frame)
cv2.imshow("camera video", frame)
if (cv2.waitKey(1) & 0xFF) == ord('q'):
break
cap.release()
cv2.destroyAllWindows()