diff options
author | David Robillard <d@drobilla.net> | 2014-12-06 23:42:11 -0500 |
---|---|---|
committer | David Robillard <d@drobilla.net> | 2014-12-06 23:42:11 -0500 |
commit | bfbb0f61782d7b79a8e67e66d8b483c00675a118 (patch) | |
tree | cb651a48d8f401083cead765646ef51cf8dc4a24 /libs/ardour | |
parent | f4a30e1f607c285064daeea280dca209624be167 (diff) |
Add legatize and remove overlap MIDI operations.
We're going to need the ability to apply MIDI edit operations to a note/control
selection soon...
Diffstat (limited to 'libs/ardour')
-rw-r--r-- | libs/ardour/ardour/legatize.h | 56 | ||||
-rw-r--r-- | libs/ardour/legatize.cc | 60 | ||||
-rw-r--r-- | libs/ardour/wscript | 1 |
3 files changed, 117 insertions, 0 deletions
diff --git a/libs/ardour/ardour/legatize.h b/libs/ardour/ardour/legatize.h new file mode 100644 index 0000000000..4a170e1a1c --- /dev/null +++ b/libs/ardour/ardour/legatize.h @@ -0,0 +1,56 @@ +/* + Copyright (C) 2014 Paul Davis + Author: David Robillard + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#ifndef __ardour_legatize_h__ +#define __ardour_legatize_h__ + +#include <string> + +#include "ardour/libardour_visibility.h" +#include "ardour/types.h" +#include "ardour/midi_operator.h" + +namespace ARDOUR { + +/** "Legatize" nodes (extend note ends to force legato). + * + * This can also do "remove overlap" by setting shrink_only to true, in which + * case note lengths will only be changed if they are long enough to overlap + * the following note. + */ +class LIBARDOUR_API Legatize : public MidiOperator { +public: + Legatize(bool shrink_only); + ~Legatize(); + + typedef Evoral::Sequence<Evoral::MusicalTime>::Notes Notes; + + Command* operator()(boost::shared_ptr<ARDOUR::MidiModel> model, + Evoral::MusicalTime position, + std::vector<Notes>& seqs); + + std::string name() const { return std::string ("legatize"); } + +private: + bool _shrink_only; +}; + +} /* namespace */ + +#endif /* __ardour_legatize_h__ */ diff --git a/libs/ardour/legatize.cc b/libs/ardour/legatize.cc new file mode 100644 index 0000000000..d1892e0bbb --- /dev/null +++ b/libs/ardour/legatize.cc @@ -0,0 +1,60 @@ +/* + Copyright (C) 20014 Paul Davis + Author: David Robillard + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#include "ardour/legatize.h" +#include "ardour/midi_model.h" + +namespace ARDOUR { + +Legatize::Legatize(bool shrink_only) + : _shrink_only(shrink_only) +{} + +Legatize::~Legatize () +{} + +Command* +Legatize::operator()(boost::shared_ptr<ARDOUR::MidiModel> model, + Evoral::MusicalTime position, + std::vector<Legatize::Notes>& seqs) +{ + MidiModel::NoteDiffCommand* cmd = new MidiModel::NoteDiffCommand(model, "legatize"); + + for (std::vector<Legatize::Notes>::iterator s = seqs.begin(); s != seqs.end(); ++s) { + for (Legatize::Notes::iterator i = (*s).begin(); i != (*s).end();) { + Legatize::Notes::iterator next = i; + if (++next == (*s).end()) { + break; + } + + const Evoral::MusicalTime new_end = (*next)->time() - Evoral::MusicalTime::tick(); + if ((*i)->end_time() > new_end || + (!_shrink_only && (*i)->end_time() < new_end)) { + const Evoral::MusicalTime new_length(new_end - (*i)->time()); + cmd->change((*i), MidiModel::NoteDiffCommand::Length, new_length); + } + + i = next; + } + } + + return cmd; +} + +} // namespace ARDOUR diff --git a/libs/ardour/wscript b/libs/ardour/wscript index f8ec4ff507..d19f66c0f6 100644 --- a/libs/ardour/wscript +++ b/libs/ardour/wscript @@ -105,6 +105,7 @@ libardour_sources = [ 'io_processor.cc', 'kmeterdsp.cc', 'ladspa_plugin.cc', + 'legatize.cc', 'location.cc', 'location_importer.cc', 'ltc_slave.cc', |