Class: Deftones::Core::Source::VolumeProxy

Inherits:
Object
  • Object
show all
Defined in:
lib/deftones/core/source.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(source, value: 0.0) ⇒ VolumeProxy

Returns a new instance of VolumeProxy.



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# File 'lib/deftones/core/source.rb', line 9

def initialize(source, value: 0.0)
  @source = source
  @value = value.to_f
  @automation = Signal.new(value: @value, units: :number, context: source.context)
end

Instance Attribute Details

#source ⇒ Object (readonly)

Returns the value of attribute source.



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# File 'lib/deftones/core/source.rb', line 7

def source
  @source
end

Instance Method Details

#assign_immediately(target_value) ⇒ Object (private) 



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# File 'lib/deftones/core/source.rb', line 84

def assign_immediately(target_value)
  self.value = target_value
  self
end

#cancel_and_hold_at_time(time) ⇒ Object Also known as: cancelAndHoldAtTime 



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# File 'lib/deftones/core/source.rb', line 61

def cancel_and_hold_at_time(time)
  @automation.cancel_and_hold_at_time(time)
  @value = @automation.get_value_at_time(time)
  source.send(:apply_volume!)
  self
end

#cancel_scheduled_values(after_time = 0) ⇒ Object Also known as: cancelScheduledValues 



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# File 'lib/deftones/core/source.rb', line 56

def cancel_scheduled_values(after_time = 0)
  @automation.cancel_scheduled_values(after_time)
  self
end

#current_gain ⇒ Object 



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# File 'lib/deftones/core/source.rb', line 50

def current_gain
  return 0.0 if source.mute?

  Deftones.db_to_gain(@automation.get_value_at_time(source.context.current_time))
end

#exponential_ramp_to(target_value, duration = nil) ⇒ Object Also known as: exponentialRampTo 



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# File 'lib/deftones/core/source.rb', line 72

def exponential_ramp_to(target_value, duration = nil)
  ramp_to(target_value, duration)
end

#gains(num_frames, start_frame) ⇒ Object 



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# File 'lib/deftones/core/source.rb', line 44

def gains(num_frames, start_frame)
  return Array.new(num_frames, 0.0) if source.mute?

  @automation.process(num_frames, start_frame).map { |db| Deftones.db_to_gain(db) }
end

#linear_ramp_to(target_value, duration = nil) ⇒ Object Also known as: linearRampTo 



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# File 'lib/deftones/core/source.rb', line 68

def linear_ramp_to(target_value, duration = nil)
  ramp_to(target_value, duration)
end

#ramp_to(target_value, duration = nil) ⇒ Object 



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# File 'lib/deftones/core/source.rb', line 25

def ramp_to(target_value, duration = nil)
  return assign_immediately(target_value) if duration.nil?

  resolved_duration = Deftones::Music::Time.parse(duration)
  return assign_immediately(target_value) if resolved_duration <= 0.0

  @value = target_value.to_f
  @automation.linear_ramp_to_value_at_time(@value, source.context.current_time + resolved_duration)
  source.send(:apply_volume!)
  self
end

#set_value_at_time(target_value, time) ⇒ Object Also known as: setValueAtTime 



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# File 'lib/deftones/core/source.rb', line 37

def set_value_at_time(target_value, time)
  @value = target_value.to_f
  @automation.set_value_at_time(@value, time)
  source.send(:apply_volume!)
  self
end

#value ⇒ Object 



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# File 'lib/deftones/core/source.rb', line 15

def value
  @value
end

#value=(new_value) ⇒ Object 



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# File 'lib/deftones/core/source.rb', line 19

def value=(new_value)
  @value = new_value.to_f
  @automation.value = @value
  source.send(:apply_volume!)
end