python3保存mp4 avi转mp4

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openh264-1.8.0-win64.dll

  

   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      # !/usr/bin/env python
     
    
   

    

     

    
    

     

      # -*-coding:utf-8-*-
     
    
   

    

     

    
    

     

      import datetime
     
    
   

    

     

    
    

     

      import time
     
    
   

    

     

    
    

     

      import cv2
     
    
   

    

     

    
    

     

      import os
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      cam = cv2.VideoCapture(0)
     
    
   

    

     

    
    

     

      time_now =time.time()
     
    
   

    

     

    
    

     

      # fourcc = cv2.VideoWriter_fourcc(*'avc1')
     
    
   

    

     

    
    

     

      os.makedirs('capture', exist_ok=True)
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      fourcc = cv2.VideoWriter_fourcc('m', 'p', '4', 'v')
     
    
   

    

     

    
    

     

      video_out = None
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      while True:
     
    
   

    

     

    
    

     

       ret, frame = cam.read()
     
    
   

    

     

    
    

     
 if video_out:
     
    
   

    

     

    
    

     

       video_out.write(frame)
     
    
   

    

     

    
    

     

       cv2.imshow("asdf", frame)
     
    
   

    

     

    
    

     

       cv2.waitKey(1)
     
    
   

    

     

    
    

     
 if video_out is None or time.time() - time_now > 10:
     
    
   

    

     

    
    

     
 if video_out:
     
    
   

    

     

    
    

     

       print("save", video_path)
     
    
   

    

     

    
    

     

       video_out.release()
     
    
   

    

     

    
    

     

       video_out = None
     
    
   

    

     

    
    

     

       timestr = datetime.datetime.now().strftime('%Y%m%d_%H%M%S')
     
    
   

    

     

    
    

     

       video_path = 'capture/' +timestr + '.mp4'
     
    
   

    

     

    
    

     

       video_out = cv2.VideoWriter(video_path, fourcc, 30.0, (640, 480))
     
    
   

    

     

    
    

     

       time_now = time.time()
     
    
  

 

文章来源: blog.csdn.net，作者：网奇，版权归原作者所有，如需转载，请联系作者。

原文链接：blog.csdn.net/jacke121/article/details/80195310