summaryrefslogtreecommitdiff
path: root/libs/ardour/midi_region.cc
diff options
context:
space:
mode:
Diffstat (limited to 'libs/ardour/midi_region.cc')
-rw-r--r--libs/ardour/midi_region.cc34
1 files changed, 26 insertions, 8 deletions
diff --git a/libs/ardour/midi_region.cc b/libs/ardour/midi_region.cc
index 7511aadce8..3c885a8d99 100644
--- a/libs/ardour/midi_region.cc
+++ b/libs/ardour/midi_region.cc
@@ -102,20 +102,20 @@ MidiRegion::MidiRegion (boost::shared_ptr<const MidiRegion> other)
}
/** Create a new MidiRegion that is part of an existing one */
-MidiRegion::MidiRegion (boost::shared_ptr<const MidiRegion> other, frameoffset_t offset, const int32_t sub_num)
- : Region (other, offset, sub_num)
+MidiRegion::MidiRegion (boost::shared_ptr<const MidiRegion> other, MusicFrame offset)
+ : Region (other, offset)
, _start_beats (Properties::start_beats, other->_start_beats)
, _length_beats (Properties::length_beats, other->_length_beats)
{
- if (offset != 0) {
- _start_beats = (_session.tempo_map().exact_qn_at_frame (other->_position + offset, sub_num) - other->_quarter_note) + other->_start_beats;
- update_length_beats (sub_num);
- /* we've potentially shifted _start_beats, now reset _start frames to match */
- _start = _session.tempo_map().frames_between_quarter_notes (_quarter_note - _start_beats, _quarter_note);
- }
register_properties ();
+ const double offset_quarter_note = _session.tempo_map().exact_qn_at_frame (other->_position + offset.frame, offset.division) - other->_quarter_note;
+ if (offset.frame != 0) {
+ _start_beats = other->_start_beats + offset_quarter_note;
+ _length_beats = other->_length_beats - offset_quarter_note;
+ }
+
assert(_name.val().find("/") == string::npos);
midi_source(0)->ModelChanged.connect_same_thread (_source_connection, boost::bind (&MidiRegion::model_changed, this));
model_changed ();
@@ -345,6 +345,24 @@ MidiRegion::set_position_internal (framepos_t pos, bool allow_bbt_recompute, con
}
}
+void
+MidiRegion::set_position_music_internal (double qn)
+{
+ Region::set_position_music_internal (qn);
+ /* set _start to new position in tempo map */
+ _start = _session.tempo_map().frames_between_quarter_notes (quarter_note() - start_beats(), quarter_note());
+
+ if (position_lock_style() == AudioTime) {
+ _length_beats = _session.tempo_map().quarter_note_at_frame (_position + _length) - quarter_note();
+
+ } else {
+ /* leave _length_beats alone, and change _length to reflect the state of things
+ at the new position (tempo map may dictate a different number of frames).
+ */
+ _length = _session.tempo_map().frames_between_quarter_notes (quarter_note(), quarter_note() + length_beats());
+ }
+}
+
framecnt_t
MidiRegion::read_at (Evoral::EventSink<framepos_t>& out,
framepos_t position,