FFmpeg Command Line: Split Video into Images

First create a chaifen folder to save images. video.avi is the source video to be split.

1. Save one image per frame of the video
   
   ffmpeg  -i video.avi   chaifen/%06d.png
   
   
2. Save 20 images per second of the video
   
   ffmpeg  -i video.avi -r 20  chaifen/%06d.png
   
   
3. Save one image every ten seconds of the video
   
   ffmpeg  -i video.avi -r 0.1  chaifen/%06d.png
   
    
   
   Command Explanation
   
           Add -y before -i to overwrite existing images
   
           -f image2
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   https://blog.51cto.com/fengyuzaitu/2805731