Class: DragonflyAudio::Analysers::AudioProperties

Inherits:
Object
  • Object
show all
Defined in:
lib/dragonfly_audio/analysers/audio_properties.rb

Constant Summary collapse

TAGS = 
%w[title artist album year track genre comment].freeze
AUDIO_PROPS = 
%w[length_in_seconds length_in_milliseconds bitrate channels sample_rate].freeze

Instance Method Summary collapse

Instance Method Details

#call(content) ⇒ Object 



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# File 'lib/dragonfly_audio/analysers/audio_properties.rb', line 11

def call(content)
  return {} unless content.ext
  return {} unless SUPPORTED_FORMATS.include?(content.ext.downcase)

  res = {}

  TagLib::FileRef.open(content.path) do |fileref|
    return if fileref.null?
    TAGS.each { |n| res[n] = fileref.tag.send(n) }
    AUDIO_PROPS.each { |n| res[n] = fileref.audio_properties.send(n) }
  end
  
  res["length"] = res["length_in_seconds"]

  res
end