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temporal: add TempoMap::{max,min}_notes_per_minute() API

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This commit is contained in:
Paul Davis 2023-08-31 18:23:40 -06:00
parent cda0d6ce9f
commit 0266d98a3b
2 changed files with 35 additions and 0 deletions
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32
libs/temporal/tempo.cc
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@ -4756,6 +4756,38 @@ TempoMap::map_assert (bool expr, char const * exprstr, char const * file, int li
}
}
double
TempoMap::max_notes_per_minute() const
{
double npm = 0;
for (auto const & t : _tempos) {
if (t.note_types_per_minute() > npm) {
npm = t.note_types_per_minute();
}
if (t.end_note_types_per_minute() > npm) {
npm = t.end_note_types_per_minute();
}
}
return npm;
}
double
TempoMap::min_notes_per_minute() const
{
double npm = std::numeric_limits<double>::max();
for (auto const & t : _tempos) {
if (t.note_types_per_minute() < npm) {
npm = t.note_types_per_minute();
}
if (t.end_note_types_per_minute() < npm) {
npm = t.end_note_types_per_minute();
}
}
return npm;
}
#if 0
void

3
libs/temporal/temporal/tempo.h
View file

@ -948,6 +948,9 @@ class /*LIBTEMPORAL_API*/ TempoMap : public PBD::StatefulDestructible
LIBTEMPORAL_API TempoPoint const& tempo_at (Beats const & b) const { return _tempo_at (b, Point::beat_comparator()); }
LIBTEMPORAL_API TempoPoint const& tempo_at (BBT_Argument const & bbt) const { return _tempo_at (bbt, Point::bbt_comparator()); }
LIBTEMPORAL_API double max_notes_per_minute() const;
LIBTEMPORAL_API double min_notes_per_minute() const;
/* convenience function that hides some complexities behind fetching
* the bpm at position
*/