From 4ef4f45f3d8812bf6f9b45e06e77e844ce0ce536 Mon Sep 17 00:00:00 2001 From: nick_m Date: Fri, 9 Jun 2017 11:01:30 +1000 Subject: Add a method for obtaining the frame position of beat/whatever zero --- libs/ardour/tempo.cc | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) (limited to 'libs/ardour/tempo.cc') diff --git a/libs/ardour/tempo.cc b/libs/ardour/tempo.cc index 47d718d2f8..405a13a851 100644 --- a/libs/ardour/tempo.cc +++ b/libs/ardour/tempo.cc @@ -1882,7 +1882,7 @@ TempoMap::quarter_note_at_tempo (const Tempo& tempo) const { Glib::Threads::RWLock::ReaderLock lm (lock); - return pulse_at_tempo_locked (_metrics, tempo) * 4.0;; + return pulse_at_tempo_locked (_metrics, tempo) * 4.0; } /** Returns the whole-note pulse corresponding to the supplied BBT (meter-based) beat. @@ -3780,6 +3780,16 @@ TempoMap::gui_twist_tempi (TempoSection* ts, const Tempo& bpm, const framepos_t return can_solve; } + +/** Returns the frame position of the musical position zero */ +framepos_t +TempoMap::music_origin () +{ + Glib::Threads::RWLock::ReaderLock lm (lock); + + return first_tempo().frame(); +} + /** Returns the exact bbt-based beat corresponding to the bar, beat or quarter note subdivision nearest to * the supplied frame, possibly returning a negative value. * -- cgit v1.2.3