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temporal: logic fixes for several tempo map modification methods

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This commit is contained in:
Paul Davis 2021-11-15 21:27:41 -07:00
parent fd5594f831
commit 7edcda4fc1
1 changed files with 35 additions and 4 deletions
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35
libs/temporal/tempo.cc
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@ -938,6 +938,8 @@ TempoMap::remove_tempo (TempoPoint const & tp)
superclock_t sc (tp.sclock());
Tempos::iterator t;
assert (_tempos.size() > 1);
/* the argument is likely to be a Point-derived object that doesn't
* actually exist in this TempoMap, since the caller called
* TempoMap::write_copy() in order to perform an RCU operation, but
@ -955,15 +957,40 @@ TempoMap::remove_tempo (TempoPoint const & tp)
for (t = _tempos.begin(); t != _tempos.end() && t->sclock() < tp.sclock(); ++t);
if (t == _tempos.end()) {
/* not found */
return;
}
if (t->sclock() != tp.sclock()) {
/* error ... no tempo point at the time of tp */
return;
}
Tempos::iterator nxt = _tempos.begin();
Tempos::iterator prev = _tempos.end();
if (t != _tempos.end()) {
nxt = t;
++nxt;
}
if (t != _tempos.begin()) {
prev = t;
--prev;
}
const bool was_end = (nxt == _tempos.end());
_tempos.erase (t);
remove_point (*t);
if (prev != _tempos.end() && was_end) {
Rampable& r (*prev);
r.set_ramped (false);
} else {
reset_starting_at (sc);
}
}
MusicTimePoint &
@ -2911,8 +2938,7 @@ TempoMap::set_ramped (TempoPoint & tp, bool yn)
Rampable & r (tp);
if (_tempos.size() == 1 || tp == _tempos.back()) {
/* nothing to do */
if (tp.ramped() == yn) {
return;
}
@ -2925,7 +2951,12 @@ TempoMap::set_ramped (TempoPoint & tp, bool yn)
}
}
if (yn) {
r.set_end (nxt->end_super_note_type_per_second(), nxt->end_superclocks_per_note_type());
} else {
r.set_end (tp.super_note_type_per_second(), tp.superclocks_per_note_type());
}
r.set_ramped (yn);
reset_starting_at (tp.sclock());