保存视频是倒立的

navysummer

1. import numpy as np
   
2. import cv2 as cv
   
3. cap = cv.VideoCapture(0)
   
4. # Define the codec and create VideoWriter object
   
5. fourcc = cv.VideoWriter_fourcc(*'XVID')
   
6. out = cv.VideoWriter('output.avi',fourcc, 20.0, (640,480))
   
7. while(cap.isOpened()):
   
8.     ret, frame = cap.read()
   
9.     if ret==True:
   
10.         frame = cv.flip(frame,0)
    
11.         # write the flipped frame
    
12.         out.write(frame)
    
13.         cv.imshow('frame',frame)
    
14.         if cv.waitKey(1) & 0xFF == ord('q'):
    
15.             break
    
16.     else:
    
17.         break
    
18. # Release everything if job is finished
    
19. cap.release()
    
20. out.release()
    
21. cv.destroyAllWindows()

复制代码

stq054188

你自己写的代码让它倒过来的，又来问为什么，建议自己把每一句代码理解了再问吧

xxpcb

frame = cv.flip(frame,0)