A ruby replacement for the troublesome max patch found at http://www.maxbreakwell.com/max-msp-jitter/touchosc-and-ardour/

touchosc_server.rb

require 'osc-ruby'

@touchosc = OSC::Server.new(3818)

@ardour = OSC::Client.new('localhost', 3819)

@touchosc.add_method(/\/ardour/) do |m|
  puts "#{m.address} #{m.to_a}"
  if m.address == '/ardour/transport_play' and m.to_a == [0.0]
    @ardour.send(OSC::Message.new('/ardour/transport_stop'))
  elsif m.address == '/ardour/set_transport_speed'
    @ardour.send(OSC::Message.new(m.address, m.to_a[0]*16-8))
  elsif m.address == '/ardour/routes/gainabs'
    @ardour.send(OSC::Message.new(m.address, m.to_a[0]))
  elsif m.address =~ /\/ardour.\//
    if m.address =~ /(toggle_punch|toggle_all_rec_enables)/
      @ardour.send(OSC::Message.new("/ardour/#{m.address.split("/")[2]}"))
    else
      @ardour.send(OSC::Message.new('/ardour/access_action', "Editor/#{m.address.split("/")[2]}"))
    end
  elsif m.to_a == [1.0] or
    m.address == '/ardour/loop_toggle' or
    m.address == '/ardour/rec_enable_toggle'
    @ardour.send(OSC::Message.new(m.address))
  end
end

@touchosc.run