Class: Ffmprb::Process::Input::Loud

Inherits:
Ffmprb::Process::Input show all
Defined in:
lib/ffmprb/process/input.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Ffmprb::Process::Input

#audio, #channel?, #crop, #cut, #options, #video, #volume

Constructor Details

#initialize(unfiltered, volume:) ⇒ Loud

Returns a new instance of Loud.

Raises:



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# File 'lib/ffmprb/process/input.rb', line 85

def initialize(unfiltered, volume:)
  @io = unfiltered
  @volume = volume

  raise Error, "volume cannot be nil"  if volume.nil?
end

Instance Attribute Details

#from ⇒ Object (readonly)

Returns the value of attribute from.



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# File 'lib/ffmprb/process/input.rb', line 83

def from
  @from
end

#to ⇒ Object (readonly)

Returns the value of attribute to.



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# File 'lib/ffmprb/process/input.rb', line 83

def to
  @to
end

Instance Method Details

#filters_for(lbl, process:, video: true, audio: true) ⇒ Object 



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# File 'lib/ffmprb/process/input.rb', line 92

def filters_for(lbl, process:, video: true, audio: true)

  # Modulating volume

  lbl_aux = "ld#{lbl}"
  @io.filters_for(lbl_aux, process: process, video: video, audio: audio) +
    [
      *((video && channel?(:video))? Filter.copy("#{lbl_aux}:v", "#{lbl}:v"): nil),
      *((audio && channel?(:audio))? Filter.volume(@volume, "#{lbl_aux}:a", "#{lbl}:a"): nil)
    ]
end