_video_panel->Enable (video_selection.size() > 0 && _generally_sensitive);
_audio_panel->Enable (audio_selection.size() > 0 && _generally_sensitive);
- _subtitle_panel->Enable (selection.size() == 1 && dynamic_pointer_cast<FFmpegContent> (selection.front()) && _generally_sensitive);
+ _subtitle_panel->Enable (selection.size() == 1 && dynamic_pointer_cast<SubtitleContent> (selection.front()) && _generally_sensitive);
_timing_panel->Enable (selection.size() == 1 && _generally_sensitive);
}