Module: MusicTheory::Output

Included in:
Arpeggio, Chord, Harmonize, Note, Octave, Play, Scale, Third, Transpose
Defined in:
lib/music_theory/output.rb

Instance Method Summary collapse

Instance Method Details

#buffer_format ⇒ Object 



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# File 'lib/music_theory/output.rb', line 12

def buffer_format
  WaveFile::Format.new :mono, :float, sample_rate
end

#format ⇒ Object 



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# File 'lib/music_theory/output.rb', line 8

def format
  WaveFile::Format.new :mono, :pcm_16, sample_rate
end

#output_track ⇒ Object 



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# File 'lib/music_theory/output.rb', line 16

def output_track
  WaveFile::Writer.new "#{output_file_name || 'music'}.wav", format do |writer|
    buffer = WaveFile::Buffer.new samples, buffer_format
    writer.write buffer
  end
end

#play ⇒ Object 



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# File 'lib/music_theory/output.rb', line 23

def play
  output_track unless File.file?("#{output_file_name || 'music'}.wav")
  `afplay #{output_file_name}.wav`
  nil
end

#sample_rate ⇒ Object 



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# File 'lib/music_theory/output.rb', line 4

def sample_rate
  22050
end