record.rb

module PIFRecord
  class Record
    require "coreaudio"
    include Celluloid
    
    def initialize
      dev = CoreAudio.default_input_device
      @buf = dev.input_buffer(1024)
    
      filename = Time.now.strftime("%Y.%m.%d.wav")
      wav = CoreAudio::AudioFile.new(filename, :write, :format => :wav, :rate => dev.nominal_rate, :channels => dev.input_stream.channels)
      
      samples = 0
      th = Thread.start do
        loop do |variable|
          w = @buf.read(4096)
          samples += w.size / dev.input_stream.channels
          wav.write(w)
        end
      end

      @buf.start
      $stdout.print "RECORDING..."
      $stdout.flush
    end

    def self.stop
      @buf.stop
      $stdout.puts "done."
      th.kill.join

      wav.close

      puts "#{samples} samples read."
      puts "#{@buf.dropped_frame} frame dropped."
    end
    
  end
end