Class: AudioStream::Fx::AGain

Inherits:

Object

Object
AudioStream::Fx::AGain

show all

Defined in:: lib/audio_stream/fx/a_gain.rb

Instance Method Summary collapse

#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 | Float) —

Amplification level (~0.0)



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

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

Instance Method Details

#process(input) ⇒ `Object`

# File 'lib/audio_stream/fx/a_gain.rb', line 9

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

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