First preview of ALSA ruby binding

gistfile1.rb

ALSA::PCM::Capture.open("hw:0", self.format(:sample_format => :s16_le)) do |capture|
  capture.read do |buffer, frame_count|
    self.sndfile.write buffer, frame_count
    if frames_to_record
      (frames_to_record -= frame_count) > 0
    else
      true
    end
  end
end