python opencv生成 html5 支持的mp4

opencv4.0 opencv3.3也支持

  

   

    

     

    
    

     

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

    

     

    
    

     

      import os
     
    
   

    

     

    
    

     

      import numpy as np
     
    
   

    

     

    
    

     

      import cv2
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      fps=15
     
    
   

    

     

    
    

     

      w=888
     
    
   

    

     

    
    

     

      h=970
     
    
   

    

     

    
    

     

      # video_writer = cv2.VideoWriter('xx.mp4', cv2.VideoWriter_fourcc(*'XVID'), fps,(w, h))
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

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

    

     

    
    

     

      video_writer = cv2.VideoWriter('xx.mp4', fourcc, fps,(w, h))
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      frame=cv2.imread("qual.png")
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     
 
     
    
   

    

     

    
    

     

      for i in range(50):
     
    
   

    

     

    
    

     

       video_writer.write(frame)
     
    
   

    

     

    
    

     

      video_writer.release()
     
    
  
 

创建ok，如果有的电脑报错：

OpenCV: FFMPEG: tag 0x34363248/'H264' is not supported with codec id 27 and format 'mp4 / MP4 (MPEG-4 Part 14)'
OpenCV: FFMPEG: fallback to use tag 0x31637661/'avc1'

Failed to load OpenH264 library: openh264-1.8.0-win64.dll
    Please check environment and/or download library: https://github.com/cisco/openh264/releases

[libopenh264 @ 0000018fff534

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/84573147