From 1c1bf4a06bd4e2f4ce68633d7e5fc2195cdadf5d Mon Sep 17 00:00:00 2001 From: nick_m Date: Tue, 22 Mar 2016 00:21:18 +1100 Subject: [PATCH] Tempo ramps - show grid when dragging first meter. --- libs/ardour/tempo.cc | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/libs/ardour/tempo.cc b/libs/ardour/tempo.cc index 2d77d18db4..0c57e22303 100644 --- a/libs/ardour/tempo.cc +++ b/libs/ardour/tempo.cc @@ -2354,9 +2354,12 @@ TempoMap::get_grid (vector& points, framepos_t lower, framepos_t upper) { Glib::Threads::RWLock::ReaderLock lm (lock); - uint32_t const upper_beat = (uint32_t) ceil (beat_at_frame_locked (_metrics, upper)); - uint32_t cnt = floor (beat_at_frame_locked (_metrics, lower)); - + int32_t const upper_beat = (int32_t) ceil (beat_at_frame_locked (_metrics, upper)); + int32_t cnt = floor (beat_at_frame_locked (_metrics, lower)); + /* although the map handles negative beats, bbt doesn't. */ + if (cnt < 0.0) { + cnt = 0.0; + } while (cnt <= upper_beat) { framecnt_t pos = frame_at_beat_locked (_metrics, cnt); TempoSection const tempo = tempo_section_at_locked (pos);