開發環境:Ubuntu16.04+Python2.7+Opencv3.0
1.攝像頭捕獲并存放視訊
import cv2
#參數0代表使用筆記本預設攝像頭
cap = cv2.VideoCapture()
cap.isOpened()
fourcc = cv2.VideoWriter_fourcc(*'XVID')
size = (int(cap.get(cv2.CAP_PROP_FRAME_WIDTH)),int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT)))
#參數分别代表(存放視訊位址名稱;fourcc;鏡頭速度,20為正常速度;視訊尺寸)
out = cv2.VideoWriter('output.avi', fourcc, , size)
while(True):
ret, frame = cap.read()
out.write(frame)
cv2.imshow('frame',frame)
if cv2.waitKey() & == ord('q'): #按‘q’鍵停止
break
# 釋放攝像頭
cap.release()
cv2.destroyAllWindows()
2.讀取本地視訊
import cv2
cap = cv2.VideoCapture('output.avi') #參數0代表使用筆記本預設攝像頭
while(True):
ret, frame = cap.read()
cv2.imshow('frame',frame)
if cv2.waitKey() & == ord('q'): # 按‘q’鍵停止
break
# 釋放攝像頭
cap.release()
cv2.destroyAllWindows()