Class: AudioStream::AudioInputStepEditor

Inherits:
Object
  • Object
show all
Includes:
AudioInput
Defined in:
lib/audio_stream/audio_input_step_editor.rb

Instance Method Summary collapse

Constructor Details

#initialize(synth, step_editor) ⇒ AudioInputStepEditor

Returns a new instance of AudioInputStepEditor.



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# File 'lib/audio_stream/audio_input_step_editor.rb', line 5

def initialize(synth, step_editor)
  super()

  @synth = synth
  @step_editor = step_editor

  @soundinfo = synth.soundinfo
end

Instance Method Details

#connect ⇒ Object 



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# File 'lib/audio_stream/audio_input_step_editor.rb', line 14

def connect
  self
end

#connected? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/audio_stream/audio_input_step_editor.rb', line 22

def connected?
  true
end

#disconnect ⇒ Object 



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# File 'lib/audio_stream/audio_input_step_editor.rb', line 18

def disconnect
  self
end

#each(&block) ⇒ Object 



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# File 'lib/audio_stream/audio_input_step_editor.rb', line 26

def each(&block)
  Enumerator.new do |y|
    events = Hash.new {|h, k| h[k]=[]}

    fps = @soundinfo.samplerate.to_f / @soundinfo.window_size
    @step_editor.events.each {|event|
      pos = event[0]
      events[(pos * fps).to_i] << event
    }

    catch :break do
      Range.new(0, nil).each {|i|
        if events.has_key?(i)
          events[i].sort{|a,b| a[0]<=>b[0]}.each {|event|
            type = event[1]

            case type
            when :note_on
              @synth.note_on(event[2], velocity: event[3])
            when :note_off
              @synth.note_off(event[2])
            when :pitch_bend
              @synth.pitch_bend = event[2]
            when :complete
              throw :break
            end
          }
        end

        buf = @synth.next
        y << buf
      }
    end
  end.each(&block)
end