- ContentSubPanel* _video_panel;
- ContentSubPanel* _audio_panel;
- ContentSubPanel* _subtitle_panel;
- ContentSubPanel* _timing_panel;
- std::list<ContentSubPanel *> _panels;
+ VideoPanel* _video_panel;
+ AudioPanel* _audio_panel;
+ TextPanel* _text_panel[TEXT_COUNT];
+ TimingPanel* _timing_panel;