Voice Recognition

#!/usr/bin/ruby

output = ""
application_path = File.dirname(__FILE__)
command = "pocketsphinx_continuous -hmm /usr/share/pocketsphinx/model/hmm/wsj1 -lm #{application_path}/voice_recognition/7892.lm -dict #{application_path}/voice_recognition/7892.dic 2>/dev/null"

def fork_off(command)
  puts "Forking off #{command}"
  (pid = fork) ? Process.detach(pid) : exec(command)
end

def kill_existing_processes
  fork_off "pkill main.rb"
  fork_off "pkill feh"
  Kernel.sleep(0.1)
end

def overlay(type)
  type.downcase!
  fork_off "./overlay_text.rb #{type}"
  Kernel.sleep(3) # Let the temperature overlay get started
  kill_existing_processes
  fork_off "#{application_path}/main.rb photos_with_#{type}"
end

# Clean out existing
kill_existing_processes
fork_off "#{application_path}/main.rb"

puts "Starting voice recognition"

IO.popen(command) do |readme|
  readme.each do |line|
    case line
      when /(weather)/i
        overlay $1
      when /(news)/i
        overlay $1
      when /(facebook)/i
        puts "Facebook no yet implemented!"
      else
    end
  end
end