id3lib-ruby utf16

id3-utf16.rb

#!/usr/bin/ruby

require 'rubygems'
require 'id3lib'
require "kconv"

class MyID3Tag < ID3Lib::Tag
  def title=(v)
    self.set_frame_text(:TIT2, v.toutf16)
    self.frame(:TIT2)[:textenc] = 1
  end
  def album=(v)
    self.set_frame_text(:TALB, v.toutf16)
    self.frame(:TALB)[:textenc] = 1
  end
  def artist=(v)
    self.set_frame_text(:TPE1, v.toutf16)
    self.frame(:TPE1)[:textenc] = 1
  end
end

tag = MyID3Tag.new('orig.mp3', ID3Lib::V_ALL)

tag.title = "たいとる"
tag.album="あるばむ"
tag.artist="あーちすと"
tag.track = '5/13'

tag.update!