exiftoolで動画のサイズや回転を取得
exiftoolを入れる
sudo port install p5-image-exiftool
gem install mini_exiftool
#!/usr/bin/env ruby require 'rubygems' require 'mini_exiftool' exif = MiniExiftool.new ARGV.first w = exif['ImageWidth'] h = exif['ImageHeight'] rot = exif['Rotation'] puts "size:#{w}x#{h}, rotation:#{rot}"