Class: Fet::MidilibInterface

Inherits:
Object
  • Object
show all
Defined in:
lib/fet/midilib_interface.rb

Overview

Interface with the midilib library to generate MIDI files

Instance Method Summary collapse

Constructor Details

#initialize(tempo:, progression:, notes:, info:, filename:) ⇒ MidilibInterface

Returns a new instance of MidilibInterface.



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# File 'lib/fet/midilib_interface.rb', line 9

def initialize(tempo:, progression:, notes:, info:, filename:)
  self.tempo = tempo
  self.progression = progression
  self.notes = notes
  self.info = info
  self.filename = filename
  self.sequence = MIDI::Sequence.new
  self.track = generate_instrument_track
end

Instance Method Details

#create_listening_midi_file ⇒ Object 



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# File 'lib/fet/midilib_interface.rb', line 19

def create_listening_midi_file
  # Play the chord progression
  set_progression_on_track

  add_rest(2 * quarter_note_length)
  play_notes_as_chord(notes, quarter_note_length)

  add_rest(6 * quarter_note_length)
  play_notes_sequentially(notes, quarter_note_length)

  write_sequence_to_file
end

#create_singing_midi_file(sleep_duration) ⇒ Object 



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# File 'lib/fet/midilib_interface.rb', line 32

def create_singing_midi_file(sleep_duration)
  # Play the chord progression
  set_progression_on_track

  # Play the note after waiting for a specified amount of time
  add_seconds_of_rest(sleep_duration) do
    play_notes_sequentially(notes, quarter_note_length)
  end

  write_sequence_to_file
end