add back-pointer to TempoMap from points, and push dirty=true into map

[ardour.git] / nutemp / t.cc

diff --git a/nutemp/t.cc b/nutemp/t.cc
index 2ea87a0a16345bb73b85346d8b737447ac17c98b..c8336ccde8d8c1d341f41d9015fa6a8b8de855a4 100644 (file)
--- a/nutemp/t.cc
+++ b/nutemp/t.cc
@@ -306,6 +306,23 @@ TempoMetric::superclock_at_qn (Evoral::Beats const & qn) const
        return llrint (superclocks_per_quarter_note() * (log1p (_c_per_quarter * qn.to_double()) / _c_per_quarter));
 }
 
+void
+TempoMapPoint::set_map (TempoMap* m)
+{
+       _map = m;
+}
+
+void
+TempoMapPoint::set_dirty (bool yn)
+{
+       if (yn != _dirty) {
+               _dirty = yn;
+               if (yn && _map) {
+                       _map->set_dirty (true);
+               }
+       }
+}
+
 Evoral::Beats
 TempoMapPoint::quarters_at (superclock_t sc) const
 {
@@ -339,11 +356,18 @@ TempoMapPoint::bbt_at (Evoral::Beats const & qn) const
 
 TempoMap::TempoMap (Tempo const & initial_tempo, Meter const & initial_meter, framecnt_t sr)
        : _sample_rate (sr)
+       , _dirty (false)
 {
        TempoMapPoint tmp (TempoMapPoint::Flag (TempoMapPoint::ExplicitMeter|TempoMapPoint::ExplicitTempo), initial_tempo, initial_meter, 0, Evoral::Beats(), Timecode::BBT_Time(), AudioTime);
        _points.push_back (tmp);
 }
 
+void
+TempoMap::set_dirty (bool yn)
+{
+       _dirty = yn;
+}
+
 Meter const &
 TempoMap::meter_at (superclock_t sc) const
 {