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我试图编写一些代码,用于在Windows上通过批处理脚本激活时自动捕获网络摄像头中的视频。我设法拼凑了一个工作脚本,但它似乎并没有保存文件。我知道代码是(至少在基本级别上)工作的,因为没有错误,当代码运行时,网络摄像头上的激活指示灯亮起。如果有人对如何将它写入文件有任何建议,我已经复制了下面的代码,那太棒了!使用Python进行视频捕获
import numpy as np
import cv2
import msvcrt
cap = cv2.VideoCapture(0)
w=int(cap.get(cv2.CAP_PROP_FRAME_WIDTH))
h=int(cap.get(cv2.CAP_PROP_FRAME_HEIGHT))
sub=raw_input("Subject#: ")
#Define the codec and create VideoWriter object
#fourcc = cv2.VideoWriter_fourcc(*'DIVX')
fourcc = cv2.VideoWriter_fourcc(*'FMP4')
out = cv2.VideoWriter('C:\path\to\output_' + sub + '.mp4', fourcc, 30, (w,h))
while(cap.isOpened()):
ret, frame = cap.read()
if ret==True:
out.write(frame)
if msvcrt.kbhit():
if ord(msvcrt.getch()) != None:
break
else:
break
#Release everything if job is finished
cap.release()
out.release()
cv2.destroyAllWindows()