private void SetSubtitle(ProcessOutputLineItem lineItem)
{
if (_bluRayTtileInfo.Subtitles == null)
_bluRayTtileInfo.Subtitles = new List<BluRayTitleSubtitle>();
BluRayTitleSubtitle subtitle = new BluRayTitleSubtitle();
subtitle.Id = this.GetId(lineItem);
subtitle.Language = this.GetLanguage(lineItem);
subtitle.Text = lineItem.Text;
_bluRayTtileInfo.Subtitles.Add(subtitle);
}