import cv2

cv2.namedWindow("camera", 1)

# 開啟ip攝像頭

video = "http://admin:admin@192.168.31.97:8081/" # 此處@后的ipv4 地址需要改為app提供的地址

cap = cv2.VideoCapture(video)

#　　開攝像頭

# while True:

# # Start Camera, while true, camera will runq

#

# ret, image_np = cap.read()

#

# # Set height and width of webcamq

# height = 600

# width = 1000

#

# # Set camera resolution and create a break function by pressing 'q'

# cv2.imshow('object detection',image_np)# cv2.resize(image_np, (width, height)))

# if cv2.waitKey(25) & 0xFF == ord('q'):

# cap.release()

# cv2.destroyAllWindows()

# break

# print(cap.get(cv2.cv2.CAP_PROP_FRAME_COUNT))

# # Clean up

# cap.release()

# cv2.destroyAllWindows()

#保存文件

fps = 30

size = (int(cap.get(cv2.CAP_PROP_FRAME_WIDTH)), int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT)))

# 調用VideoWrite()函數

videoWrite = cv2.VideoWriter('MySaveVideo.avi', cv2.VideoWriter_fourcc('I', '4', '2', '0'), fps, size)

# 先獲取一幀，用來判斷是否成功調用攝像頭

success, frame = cap.read()

# 通過設置幀數來設置時間,減一是因為上面已經獲取過一幀了

numFrameRemainling = fps * 10 - 1

# 通過循環保存幀

while success and numFrameRemainling > 0:

videoWrite.write(frame)

success, frame = cap.read()

numFrameRemainling -= 1

# 釋放攝像頭

cap.release()

總結

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