Lukas Klingsbo spydon

## watchmedo.sh
# pip install watchdog
exec watchmedo shell-command --patterns='*.rst;*.py' --ignore-pattern='_build/*' --recursive --command='make html' --wait

## ffmpeg_video_for_twitter.md

      
        
          
            
              
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                marcduiker
                / ffmpeg_video_for_twitter.md
            
            
              Last active
              June 1, 2024 04:35
            
              
                FFmpeg command for creating video for Twitter
              
          
        
      
        
  
      
    Convert pngs to mp4

This FFmpeg command reads images named frame_[4 char digit].png and converts it to an mp4 using the h264 encoding which Twitter accepts. The bitrate is set to 5M to reduce blocking as much as possible while keeping the size small.
ffmpeg -framerate 10 -i frame_%04d.png -c:v h264_qsv -b:v 5M video.mp4
Convert and scale an existing mp4 to 1080:

ffmpeg -i input.mp4 -c:v h264_qsv -vf: scale=1080:-1 -b:v 5M output.mp4
	# pip install watchdog
	exec watchmedo shell-command --patterns='.rst;.py' --ignore-pattern='_build/*' --recursive --command='make html' --wait