文章目录
opencv 操作计算机摄像头
代码语言：javascript
复制# -*- coding:utf-8 -*-
# /usr/bin/python
'''
@Describe:
@Evn :
@Date : 2019-08-14 09:25
'''
import cv2
import numpy as np
# 创建相机
def camera_video(time):
cap = cv2.VideoCapture(0)
fourcc = cv2.VideoWriter_fourcc(*'XVID')
out = cv2.VideoWriter('output.avi', fourcc, 20.0, (640, 480))
if cap.isOpened() == False:
cap.open()
else:
print('camera is open!')
while True:
# capture frame-by-frame
ret,frame = cap.read()
if ret == True:
frame = cv2.flip(frame, 0)
out.write(frame)
gray = cv2.cvtColor(frame,cv2.COLOR_BGR2GRAY)
cv2.imshow('frame',gray)
if cv2.waitKey(time):# & oxFF ==ord('q'):
break
else:
break
cap.release()
out.release()
cv2.destroyAllWindows()
time = 10000
camera_video(time)
