Method: Echonest::Song#echoprint_code

Defined in:
lib/echonest-ruby-api/song.rb

#echoprint_code(filepath) ⇒ Object

Generates an acoustic fingerprint using the echoprint-codegen binary.

Examples:

echoprint_code('path/to/song.mp3')
#=> Echoprint code as String

Raises an Echoprint::Error if the echoprint-codegen binary is not accessible to Ruby on $PATH

  • filepath - Path (absolute or relative) to an audio file atleast 21 seconds in length

Returns a String



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# File 'lib/echonest-ruby-api/song.rb', line 56

def echoprint_code(filepath)
  if which('echoprint-codegen').nil?
    error = Error.new(6)
    raise Error.new(6), error.description
  else
    response = `echoprint-codegen #{ filepath } 1 20`
    JSON.parse(response)[0]['code']
  end
end