擅长:python、mysql、java
<p>我想问题是你的帧速率。你把它设为0.001秒,所以也许你的视频结束得很快。试着增加它:</p>
<pre><code>from tkinter import Tk
from tkinter import filedialog
import cv2
Tk().withdraw()
filename = filedialog.askopenfilename()
print(filename)
cap = cv2.VideoCapture(filename)
while(cap.isOpened()):
ret, frame = cap.read()
gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
cv2.imshow('frame',gray)
if cv2.waitKey(250) & 0xFF == ord('q'):
break
cap.release()
cv2.destroyAllWindows()
</code></pre>