audio units uses quarter_notes_per_minute().

diff --git a/libs/ardour/audio_unit.cc b/libs/ardour/audio_unit.cc
index f82ab3275ed812ebef6f4325c3ac5525f3c2088e..78a9ddba45a0a83ae10076768086191e06273fd2 100644 (file)
--- a/libs/ardour/audio_unit.cc
+++ b/libs/ardour/audio_unit.cc
@@ -1808,7 +1808,7 @@ AUPlugin::get_beat_and_tempo_callback (Float64* outCurrentBeat,
        }
 
        if (outCurrentTempo) {
-               *outCurrentTempo = tmap.tempo_at_frame (transport_frame + input_offset).beats_per_minute();
+               *outCurrentTempo = tmap.tempo_at_frame (transport_frame + input_offset).quarter_notes_per_minute();
        }
 
        return noErr;