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temporal: a basic data structure to hold the result of a TempoMap cut/copy operation

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This commit is contained in:
Paul Davis 2023-05-04 13:39:53 -06:00
parent 6572b8d409
commit b3040a31fc
2 changed files with 89 additions and 0 deletions
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51
libs/temporal/tempo.cc
View File

@ -4510,3 +4510,54 @@ DomainSwapInformation::undo ()
clear ();
}
TempoMapCutBuffer::TempoMapCutBuffer (timecnt_t const & dur, TempoMetric const & start, TempoMetric const & end)
: _start_metric (start)
, _end_metric (end)
, _duration (dur)
{
}
void
TempoMapCutBuffer::add (TempoPoint const & tp)
{
TempoPoint* ntp = new TempoPoint (tp);
ntp->set (tp.sclock() - _duration.position().superclocks(), tp.beats(), tp.bbt());
_tempos.push_back (*ntp);
_points.push_back (*ntp);
}
void
TempoMapCutBuffer::add (MeterPoint const & mp)
{
MeterPoint* ntp = new MeterPoint (mp);
ntp->set (mp.sclock() - _duration.position().superclocks(), mp.beats(), mp.bbt());
_meters.push_back (*ntp);
_points.push_back (*ntp);
}
void
TempoMapCutBuffer::add (MusicTimePoint const & mtp)
{
MusicTimePoint* ntp = new MusicTimePoint (mtp);
ntp->set (mtp.sclock() - _duration.position().superclocks(), mtp.beats(), mtp.bbt());
_bartimes.push_back (*ntp);
_tempos.push_back (*ntp);
_meters.push_back (*ntp);
_points.push_back (*ntp);
}
void
TempoMapCutBuffer::clear ()
{
_tempos.clear ();
_meters.clear ();
_bartimes.clear ();
_points.clear ();
}

38
libs/temporal/temporal/tempo.h
View File

@ -1144,6 +1144,44 @@ class /*LIBTEMPORAL_API*/ TempoMap : public PBD::StatefulDestructible
void drop_lookup_table ();
};
class LIBTEMPORAL_API TempoMapCutBuffer
{
public:
TempoMapCutBuffer (timecnt_t const &, TempoMetric const &, TempoMetric const &);
timecnt_t duration() const { return _duration; }
TempoMetric const & metric_at_start () const { return _start_metric; }
TempoMetric const & metric_at_end () const { return _end_metric; }
typedef boost::intrusive::list<TempoPoint, boost::intrusive::base_hook<tempo_hook>> Tempos;
typedef boost::intrusive::list<MeterPoint, boost::intrusive::base_hook<meter_hook>> Meters;
typedef boost::intrusive::list<MusicTimePoint, boost::intrusive::base_hook<bartime_hook>> MusicTimes;
typedef boost::intrusive::list<Point, boost::intrusive::base_hook<point_hook>> Points;
void add (TempoPoint const &);
void add (MeterPoint const &);
void add (MusicTimePoint const &);
void add (Point const &);
void clear ();
Tempos const & tempos() const { return _tempos; }
Meters const & meters() const { return _meters; }
MusicTimes const & bartimes() const { return _bartimes; }
Points const & points() const { return _points; }
private:
TempoMetric _start_metric;
TempoMetric _end_metric;
timecnt_t _duration;
Tempos _tempos;
Meters _meters;
MusicTimes _bartimes;
Points _points;
};
class LIBTEMPORAL_API TempoCommand : public Command {
public: