VLC deamon command line control with stream bookmarks

gistfile1.rb

#!/usr/bin/ruby

require 'yaml'
require 'socket'

list_file = "~/.music"
vlc_socket = "/tmp/vlc.sock"
vlc_path = "/Applications/VLC.app/Contents/MacOS/VLC" 

list_file = File.expand_path(list_file)

unless File.exist?(vlc_path)
  puts "Expected to find VLC program at #{vlc_path}, it wasn't there. Please install VLC from: http://www.videolan.org/vlc/download-macosx.html"
  exit
end

if File.exist?(list_file)
  list = YAML.load_file(list_file).inject({}) do |options, (key, value)| 
    options[key.to_s] = value
    options
  end
else 
  puts "Please create the YAML format file: #{list_file} so we have some stations to use"
  puts "Example content:"
  puts "fav: http://myfavstream.com/stream.pls"
  exit
end

class VLC

  class << self
    attr_accessor :socket_path
    attr_accessor :program_path
  end
  
  def self.play(url)
    self.command('clear')
    self.command("add #{url}")
  end
  
  def self.stop
    self.command('stop')
  end
  
  def self.resume
    self.command('play')
  end
  
  def self.quit
    self.command('quit')
  end
  
  def self.running?
    File.exist?(socket_path)
  end
  
  def self.start
    system("#{program_path} --daemon -I oldrc --rc-unix=#{socket_path} --rc-fake-tty")
    sleep 1
  end
  
  def self.command(cmd)
    socket.puts(cmd)
  end
  
  def self.socket
    @socket ||= UNIXSocket.new(socket_path)
  end
  
end

VLC.socket_path = vlc_socket
VLC.program_path = vlc_path

if ARGV[0] == 'start'
  VLC.start unless VLC.running?
  exit
end

if ARGV[0] == 'quit'
  VLC.quit if VLC.running?
  exit
end

if ARGV[0] == 'stop' || ARGV[0] == 'pause'
  VLC.stop if VLC.running?
  exit
end

if ARGV[0] == 'resume'
  VLC.resume if VLC.running?
  exit
end

if ARGV[0] == 'add'
  name = ARGV[1]
  url = ARGV[2]
  if name.nil? || url.nil?
    puts "Need to pass a name and a url"
    exit
  end
  list[name] = url
  File.open(list_file, 'w') do |f|
    f.write list.to_yaml
  end
  exit
end

if ARGV[0] == 'rm'
  name = ARGV[1]
  if name.nil?
    puts "Need to pass a name"
    exit
  end
  list.delete(name)
  File.open(list_file, 'w') do |f|
    f.write list.to_yaml
  end
  exit
end

if ARGV[0].nil?
  puts "Available streams:"
  list.each do |k,v|
    puts "#{k} (#{v})"
  end
  puts ""
  puts "- To play the first one: music #{list.keys.first}"
  puts "- To stop: music stop"
  puts "- To resume: music resume"
  puts "- To quit: music quit"
  puts ""
  exit
end

if list[ARGV[0]]
  VLC.start unless VLC.running?
  VLC.play(list[ARGV[0]])
  exit
else
  puts "Unknown command or stream '#{ARGV[0]}'"
  exit
end