#!/usr/bin/env ruby
if ARGV.size < 1
  puts 'usage: ruby ust2smile.rb <filename>'
  exit
end

ffmpeg = '/opt/local/bin/ffmpeg'
options = '-y -f mp4 -vcodec libx264 -b 64k -bt 64k -r 6 -acodec libfaac -ar 22050 -ab 24k -ac 1 -async 1 -threads 0'

ARGV.each do |in_file|
  out_file = "#{File.basename(in_file, '.flv')}_smile.mp4"
  2.times do |n|
    cmd = "#{ffmpeg} -pass #{n+1} -i #{in_file} #{options} #{out_file}"
    puts cmd
    system cmd
  end

  puts "\nconversion succeed: #{in_file} => #{out_file}"
end