ardour/livetrax
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Fix likely thinko in bbt ruler.

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This fixes a bug for me:
  Measure lines appear & disappear during playback, at certain zoom scales.
  I think this is because the unecessary offset was causing beat_density to vary unnecessarily while rolling.
This commit is contained in:
Ben Loftis 2017-03-10 09:09:30 -06:00
parent 830728aaee
commit 55e6d3b40d
1 changed files with 1 additions and 1 deletions
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gtk2_ardour/editor_rulers.cc
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@ -1113,7 +1113,7 @@ Editor::compute_bbt_ruler_scale (framepos_t lower, framepos_t upper)
bbt_bars = _session->tempo_map().bbt_at_beat (ceil_upper_beat).bars - _session->tempo_map().bbt_at_beat (floor_lower_beat).bars;
beats = (ceil_upper_beat - floor_lower_beat) - bbt_bars;
beats = (ceil_upper_beat - floor_lower_beat);// - bbt_bars; possible thinko; this fixes the problem (for me) where measure lines alternately appear&disappear while playing at certain zoom scales
double beat_density = ((beats + 1) * ((double) (upper - lower) / (double) (1 + beat_after_upper_pos - beat_before_lower_pos))) / 5.0;
/* Only show the bar helper if there aren't many bars on the screen */