def initialize(filename, charset = "utf-8")
@filename = filename
@charset = charset
@length = nil
@bitrate = nil
filesize = File.size(@filename)
File.open(@filename) do |file|
begin
info = read_headers(file)
@samplerate = info[:samplerate]
@nominal_bitrate = info[:nominal_bitrate]
@channels = info[:channels]
@tag = info[:tag]
@filesize = file.stat.size - file.pos
rescue Ogg::StreamError => se
raise(OggInfoError, se.message, se.backtrace)
end
end
convert_tag_charset("utf-8", @charset)
@original_tag = @tag.dup
end