- const Meter& m = _mtv.session()->tempo_map().meter_at (step_edit_insert_position);
- const Tempo& t = _mtv.session()->tempo_map().tempo_at (step_edit_insert_position);
+ const Meter& m = _mtv.session()->tempo_map().meter_at_frame (step_edit_insert_position);
+ double baf = max (0.0, _mtv.session()->tempo_map().beat_at_frame (step_edit_insert_position));
+ double next_bar_in_beats = baf + m.divisions_per_bar();
+ framecnt_t next_bar_pos = _mtv.session()->tempo_map().frame_at_beat (next_bar_in_beats);
+ framecnt_t len = next_bar_pos - step_edit_insert_position;