- const Tempo& current_tempo = session->tempo_map().tempo_at(time);
- double frames_per_beat = session->tempo_map().frames_per_beat_at (time, session->frame_rate());
-
- double quarter_notes_per_beat = 4.0 / current_tempo.note_type();
- double frames_per_quarter_note = frames_per_beat / quarter_notes_per_beat;