- signal_changed (SubtitleContentProperty::SUBTITLE_VIDEO_FRAME_RATE);
-}
-
-double
-DCPSubtitleContent::subtitle_video_frame_rate () const
-{
- {
- boost::mutex::scoped_lock lm (_mutex);
- if (_frame_rate) {
- return _frame_rate.get ();
- }
- }
-
- /* No frame rate specified, so assume this content has been
- prepared for any concurrent video content.
- */
- return film()->active_frame_rate_change(position()).source;