nframes_t current_time (nframes_t position = 0) const;
nframes_t current_duration (nframes_t position = 0) const;
void set_session (ARDOUR::Session *s);
sigc::signal<void> ValueChanged;
nframes_t current_time (nframes_t position = 0) const;
nframes_t current_duration (nframes_t position = 0) const;
void set_session (ARDOUR::Session *s);
sigc::signal<void> ValueChanged;