diff options
Diffstat (limited to 'libs/ardour/midi_playlist.cc')
| -rw-r--r-- | libs/ardour/midi_playlist.cc | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/libs/ardour/midi_playlist.cc b/libs/ardour/midi_playlist.cc index 67764d66ae..20c1c77111 100644 --- a/libs/ardour/midi_playlist.cc +++ b/libs/ardour/midi_playlist.cc @@ -33,7 +33,9 @@ #include "ardour/midi_region.h" #include "ardour/midi_source.h" #include "ardour/midi_state_tracker.h" +#include "ardour/region_factory.h" #include "ardour/session.h" +#include "ardour/tempo.h" #include "ardour/types.h" #include "pbd/i18n.h" @@ -381,6 +383,80 @@ MidiPlaylist::destroy_region (boost::shared_ptr<Region> region) return changed; } +void +MidiPlaylist::_split_region (boost::shared_ptr<Region> region, MusicFrame playlist_position) +{ + if (!region->covers (playlist_position.frame)) { + return; + } + + if (region->position() == playlist_position.frame || + region->last_frame() == playlist_position.frame) { + return; + } + + boost::shared_ptr<const MidiRegion> mr = boost::dynamic_pointer_cast<MidiRegion>(region); + + if (mr == 0) { + return; + } + + boost::shared_ptr<Region> left; + boost::shared_ptr<Region> right; + + string before_name; + string after_name; + const double before_qn = _session.tempo_map().exact_qn_at_frame (playlist_position.frame, playlist_position.division) - region->quarter_note(); + const double after_qn = mr->length_beats() - before_qn; + MusicFrame before (playlist_position.frame - region->position(), playlist_position.division); + MusicFrame after (region->length() - before.frame, playlist_position.division); + + /* split doesn't change anything about length, so don't try to splice */ + bool old_sp = _splicing; + _splicing = true; + + RegionFactory::region_name (before_name, region->name(), false); + + { + PropertyList plist; + + plist.add (Properties::length, before.frame); + plist.add (Properties::length_beats, before_qn); + plist.add (Properties::name, before_name); + plist.add (Properties::left_of_split, true); + plist.add (Properties::layering_index, region->layering_index ()); + plist.add (Properties::layer, region->layer ()); + + /* note: we must use the version of ::create with an offset here, + since it supplies that offset to the Region constructor, which + is necessary to get audio region gain envelopes right. + */ + left = RegionFactory::create (region, MusicFrame (0, 0), plist, true); + } + + RegionFactory::region_name (after_name, region->name(), false); + + { + PropertyList plist; + + plist.add (Properties::length, after.frame); + plist.add (Properties::length_beats, after_qn); + plist.add (Properties::name, after_name); + plist.add (Properties::right_of_split, true); + plist.add (Properties::layering_index, region->layering_index ()); + plist.add (Properties::layer, region->layer ()); + + /* same note as above */ + right = RegionFactory::create (region, before, plist, true); + } + + add_region_internal (left, region->position(), 0, region->quarter_note(), true); + add_region_internal (right, region->position() + before.frame, before.division, region->quarter_note() + before_qn, true); + + remove_region_internal (region); + + _splicing = old_sp; +} set<Evoral::Parameter> MidiPlaylist::contained_automation() |