ardour/livetrax
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triggers: return a segment descriptor

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This commit is contained in:
Paul Davis 2021-12-12 11:20:58 -07:00
parent 483bdd99cc
commit 9d4a1f080d
2 changed files with 33 additions and 0 deletions
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7
libs/ardour/ardour/triggerbox.h
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@ -43,6 +43,7 @@
#include "ardour/midi_model.h"
#include "ardour/midi_state_tracker.h"
#include "ardour/processor.h"
#include "ardour/segment_descriptor.h"
#include "ardour/libardour_visibility.h"
@ -223,6 +224,8 @@ class LIBARDOUR_API Trigger : public PBD::Stateful {
double apparent_tempo() const { return _apparent_tempo; }
double set_tempo (double t);
virtual SegmentDescriptor get_segment_descriptor () const = 0;
protected:
struct UIRequests {
std::atomic<bool> stop;
@ -288,6 +291,8 @@ class LIBARDOUR_API AudioTrigger : public Trigger {
RubberBand::RubberBandStretcher* stretcher() { return (_stretcher); }
SegmentDescriptor get_segment_descriptor () const;
protected:
void retrigger ();
void set_usable_length ();
@ -343,6 +348,8 @@ class LIBARDOUR_API MIDITrigger : public Trigger {
XMLNode& get_state (void);
int set_state (const XMLNode&, int version);
SegmentDescriptor get_segment_descriptor () const;
protected:
void retrigger ();
void set_usable_length ();

26
libs/ardour/triggerbox.cc
View File

@ -550,6 +550,17 @@ AudioTrigger::~AudioTrigger ()
delete _stretcher;
}
SegmentDescriptor
AudioTrigger::get_segment_descriptor () const
{
SegmentDescriptor sd;
sd.set_extent (_start_offset, usable_length);
sd.set_tempo (Temporal::Tempo (_apparent_tempo, 4));
return sd;
}
void
AudioTrigger::startup ()
{
@ -1133,6 +1144,21 @@ MIDITrigger::~MIDITrigger ()
{
}
SegmentDescriptor
MIDITrigger::get_segment_descriptor () const
{
SegmentDescriptor sd;
boost::shared_ptr<MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion> (_region);
assert (mr);
sd.set_extent (Temporal::Beats(), mr->length().beats());
/* we don't really have tempo information for MIDI yet */
sd.set_tempo (Temporal::Tempo (120, 4));
return sd;
}
void
MIDITrigger::startup ()
{