+
+ /* SubtitleContent */
+
+ bool has_text_subtitles () const {
+ return true;
+ }
+
+ bool has_image_subtitles () const {
+ return false;
+ }
+
+ double subtitle_video_frame_rate () const;
+ void set_subtitle_video_frame_rate (int r);
+
+ static std::string const font_id;