play waveform transported via TCP with coreaudio.gem

airplay.rb

require "coreaudio"
require "socket"

serv = TCPServer.new(9999)
sock = serv.accept
puts "accepted."

dev = CoreAudio.default_output_device
buf = dev.output_buffer(4096)
puts "output to device: #{dev.inspect}"
buf.start
puts "output start."
begin
  while (l = sock.readpartial(4096*2))
    buf << NArray.to_na(l, NArray::SINT)
  end
rescue EOFError
end
buf.stop
sock.close
serv.close