mkvtoolnix/tests/test-256cropping_stereo_mode.rb

#!/usr/bin/ruby -w

class T_256cropping_stereo_mode < Test
  def description
    "mkvmerge / Handling of cropping & stereo mode"
  end

  def get_info file_name
    command = "mkvinfo --ui-language en_US \"#{file_name}\" | " +
      "grep -E -i 'crop|stereo' | " +
      "sed -e 's/Stereo mode: /: S/' -e 's/.*: //' -e 's/ .*//' | " +
      "sort -n | " +
      "tr '\n' '-' | " +
      "sed -e 's/-$//'"
    `#{command}`.chomp
  end

  def run
    result = ""

    merge "--cropping 0:1,2,3,4 --stereo-mode 0:top_bottom_right_first -A data/mp4/rain_800.mp4"
    [ "", "--cropping 0:5,6,7,8 --stereo-mode 0:side_by_side_left_first" ].each_with_index do |args, idx|
      merge "#{tmp}#{idx}", "#{args} #{tmp}"
      result += "#{idx}[" + get_info("#{tmp}#{idx}") + "]"
    end

    result
  end
end