Convert videos (mjpeg) shot with Canon Powershot to m4v(h264).

encode.rb

#!/usr/bin/env ruby
require 'rubygems'
require 'colorize'
require 'shellwords'

Dir["*"].each do |f|
  next if f == File.basename(__FILE__)
  fname = File.basename(f.downcase, '.avi')
  print "Encoding #{f}..."
  system("ffmpeg -v error -i #{f.shellescape} -map_metadata 0:g -acodec libfaac -ab 256 -ar 44100 -ac 1  -c:v h264 #{fname}.m4v")
  puts "done.".green
end