@channel = 1

@channel_map = {
  1 => "./ocean.mp4",
  2 => "./fireplace.mp4",
  3 => "./ocean.mp4",
  4 => "./fireplace.mp4",
}

@emulator = Thread.new do
  loop do
    @channel = [1,2,3,4].sample
    sleep 10
    puts @channel
  end
end

@player = Thread.new {}

@watcher = Thread.new do
  last_channel = nil
  loop do
    if last_channel != @channel
      last_channel = @channel

      Thread.kill(@player)
      @player = Thread.new do
        `/Applications/VLC.app/Contents/MacOS/VLC -f -L #{@channel_map[@channel]}`
      end
    end
    sleep 0.5
  end
end

[@emulator, @watcher, @player].map(&:join)