Class: AudioStream::Fx::AGain

Inherits:

Object

• Object
• AudioStream::Fx::AGain

Defined in:

lib/audio_stream/fx/a_gain.rb

Instance Method Summary

• #initialize(level:) ⇒ AGain constructor

  A new instance of AGain.

• #process(input) ⇒ Object

Constructor Details

#initialize(level:) ⇒ AGain

Returns a new instance of AGain.

Parameters:

• level (AudioStream::Decibel) —

  Amplification level

# File 'lib/audio_stream/fx/a_gain.rb', line 5

def initialize(level:)
  if Decibel===level
    @level = level.mag
  else
    @level = Decibel.db(level).mag
  end
end

Instance Method Details

#process(input) ⇒ Object

# File 'lib/audio_stream/fx/a_gain.rb', line 13

def process(input)
  return input if @level==1.0

  streams = input.streams.map {|stream|
    stream * @level
  }
  Buffer.new(*streams)
end