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authornick_m <mainsbridge@gmail.com>2016-10-16 05:09:49 +1100
committernick_m <mainsbridge@gmail.com>2016-10-16 05:09:49 +1100
commita32aea420165c3c9af9aaf4b4ed9a8b7c1b07e51 (patch)
tree4fba244da53bd9f406b7af115aa303b4588b47c6 /gtk2_ardour/audio_clock.cc
parent8ae0c1b36c48a6dfc5f8a4604b78fc0e49ddf7cc (diff)
BBT duration clock can only compare musical times.
Diffstat (limited to 'gtk2_ardour/audio_clock.cc')
-rw-r--r--gtk2_ardour/audio_clock.cc4
1 files changed, 4 insertions, 0 deletions
diff --git a/gtk2_ardour/audio_clock.cc b/gtk2_ardour/audio_clock.cc
index 57800b6b23..3746bb30b3 100644
--- a/gtk2_ardour/audio_clock.cc
+++ b/gtk2_ardour/audio_clock.cc
@@ -1254,6 +1254,10 @@ AudioClock::set_bbt (framepos_t when, framecnt_t offset, bool /*force*/)
BBT.ticks = 0;
} else {
TempoMap& tmap (_session->tempo_map());
+
+ /* if offset is before beat 0, it is meaningless */
+ offset = max (offset, tmap.frame_at_beat (0.0));
+
const double divisions = tmap.meter_section_at_frame (offset).divisions_per_bar();
Timecode::BBT_Time sub_bbt;