用OpenCV調取攝像頭獲取視頻流,圖片經過處理後保存到本地。
#coding:utf-8
import cv2
# 獲取視頻流
cap = cv2.VideoCapture(0)
# 指定編碼格式
fourcc = cv2.VideoWriter_fourcc(*'MJPG')
# cv2.VideoWriter的參數分別爲:保存路徑,編碼格式,幀率,幀大小
out = cv2.VideoWriter("rest.avi", fourcc, 20.0, (640,480))
while(cap.isOpened()):
ret, frame = cap.read()
if ret==True:
# 如果幀的大小與上述的(640, 480)不一致,需要resize
out.write(frame)
cv2.imshow('frame',frame)
if cv2.waitKey(1) & 0xFF == ord('q'):
break
else:
break
cap.release()
out.release()
cv2.destroyAllWindows()