Class: Earworm::Fingerprint

Inherits:
Object
  • Object
show all
Defined in:
lib/earworm/fingerprint.rb

Instance Method Summary collapse

Constructor Details

#initialize(thing) ⇒ Fingerprint 



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# File 'lib/earworm/fingerprint.rb', line 3

def initialize(thing)
  @thing  = thing
  @hash   = nil
end

Instance Method Details

#to_hash ⇒ Object 



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# File 'lib/earworm/fingerprint.rb', line 8

def to_hash
  return @hash if @hash
  info = nil
  @hash = {
    'art'  => 'unknown',
    'ttl'  => 'unknown',
    'alb'  => 'unknown',
    'tnm'  => 0,
    'gnr'  => 'unknown',
    'yrr'  => 0,
    'brt'  => 0,
    'fmt'  => 'wav',
  }
  if @thing.is_a?(IO)
    info = wav_info_for(@thing)
  else
    tmpfile = case @thing
              when /mp3$/
                @hash['fmt'] = 'mp3'
                begin
                  require 'id3lib'
                  @hash = @hash.merge(id3_info_for(@thing))
                rescue LoadError
                end
                decode_mp3(@thing)
              when /ogg$/
                @hash['fmt'] = 'ogg'
                decode_ogg(@thing)
              else # Assume its a wav file
                @thing
              end
    File.open(tmpfile, 'rb') { |f|
      info = wav_info_for(f)
    }
  end
  @hash['fpt'] = info[:fpt]
  @hash['dur'] = info[:milliseconds]
  @hash
end

#to_s ⇒ Object 



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# File 'lib/earworm/fingerprint.rb', line 48

def to_s
  to_hash['fpt']
end