diff options
Diffstat (limited to 'libs/ardour/ardour/tempo.h')
| -rw-r--r-- | libs/ardour/ardour/tempo.h | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/libs/ardour/ardour/tempo.h b/libs/ardour/ardour/tempo.h index 65e488d9a5..bedc825288 100644 --- a/libs/ardour/ardour/tempo.h +++ b/libs/ardour/ardour/tempo.h @@ -180,6 +180,19 @@ class TempoMetric { void set_frame (framepos_t f) { _frame = f; } void set_start (const Timecode::BBT_Time& t) { _start = t; } + void set_metric (const MetricSection* section) { + const MeterSection* meter; + const TempoSection* tempo; + if ((meter = dynamic_cast<const MeterSection*>(section))) { + set_meter(*meter); + } else if ((tempo = dynamic_cast<const TempoSection*>(section))) { + set_tempo(*tempo); + } + + set_frame(section->frame()); + set_start(section->start()); + } + const Meter& meter() const { return *_meter; } const Tempo& tempo() const { return *_tempo; } framepos_t frame() const { return _frame; } @@ -298,7 +311,13 @@ class TempoMap : public PBD::StatefulDestructible void clear (); TempoMetric metric_at (Timecode::BBT_Time bbt) const; - TempoMetric metric_at (framepos_t) const; + + /** Return the TempoMetric at frame @p t, and point @p last to the latest + * metric change <= t, if it is non-NULL. + */ + TempoMetric metric_at (framepos_t, Metrics::const_iterator* last=NULL) const; + + Metrics::const_iterator metrics_end() { return metrics.end(); } void change_existing_tempo_at (framepos_t, double bpm, double note_type); void change_initial_tempo (double bpm, double note_type); |