Crop a bunch of burst photos and stitch them together into a video

process.rb

paths = Dir.glob("*.jpg")

`mkdir -p cropped`
paths.sort.each_with_index{|path, i|
  cropped_path = "cropped/#{i.to_s.rjust(2, "0")}.jpg"
  starting_width = 3834
  starting_height = 5751

  width = starting_width
  height = starting_width
  # x_offset = 0
  # y_offset = (starting_height - height)/2

  zoom = 1.8
  width = width / zoom
  height = height / zoom
  x_offset = (starting_width - width) / 2
  y_offset = (starting_height - height) / 2

  cmd = %(convert #{path} -crop #{width.to_i}x#{height.to_i}+#{x_offset.to_i}+#{y_offset.to_i} #{cropped_path})
  puts cmd
  system(cmd)
  # exit
}

# ffmpeg -y -r 15 -i cropped/%02d.jpg -vcodec libx264 -pix_fmt yuv420p out.mp4