Class: Miniatura::Options

Inherits:
Object
  • Object
show all
Defined in:
lib/miniatura/options.rb

Constant Summary collapse

CLI_KEY =

Options class to add various options to the ffmpeg command generated.

{
    size: '-s',
    time_frame: '-ss',
    quality: '-q',
    file_extension: '-c'
}

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ Options

Returns a new instance of Options.



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# File 'lib/miniatura/options.rb', line 12

def initialize(options)
  @options = options
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args) ⇒ Object 



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# File 'lib/miniatura/options.rb', line 46

def method_missing(name, *args)
  "#{CLI_KEY[name]} #{args[0]}" if CLI_KEY.has_key? name
end

Instance Method Details

#file_extension(value) ⇒ Object 



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# File 'lib/miniatura/options.rb', line 22

def file_extension(value)
  case value
    when 'jpeg'
      '-c mjpeg'
    when 'png'
      '-c png'
    else
      ''
  end
end

#rotate(value) ⇒ Object 



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# File 'lib/miniatura/options.rb', line 33

def rotate(value)
  case value
    when 90
      '-vf transpose=1'
    when 180
      '-vf hflip '
    when 270
      '-vf transpose=2'
    else
      ''
  end
end

#to_options ⇒ Object 



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# File 'lib/miniatura/options.rb', line 16

def to_options
  result = @options.map { |k, v| send(k.to_s, v) }
  result << '-vframes 1'
  result.join(' ')
end