2 Copyright (C) 2004 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #include "pbd/basename.h"
22 #include "ardour/types.h"
23 #include "ardour/quantize.h"
24 #include "ardour/session.h"
25 #include "ardour/smf_source.h"
26 #include "ardour/midi_region.h"
27 #include "ardour/tempo.h"
32 using namespace ARDOUR;
35 /** Quantize notes, valid for MIDI regions only.
37 * Q is the quantize value in beats, ie 1.0 = quantize to beats,
38 * 0.25 = quantize to beats/4, etc.
40 Quantize::Quantize (Session& s, double q)
46 Quantize::~Quantize ()
51 Quantize::run (boost::shared_ptr<Region> r)
53 boost::shared_ptr<MidiRegion> region = boost::dynamic_pointer_cast<MidiRegion>(r);
57 // FIXME: how to make a whole file region if it isn't?
58 //assert(region->whole_file());
60 boost::shared_ptr<MidiSource> src = region->midi_source(0);
63 boost::shared_ptr<MidiModel> model = src->model();
65 for (Evoral::Sequence<MidiModel::TimeType>::Notes::iterator i = model->notes().begin();
66 i != model->notes().end(); ++i) {
67 const double new_time = lrint((*i)->time() / _q) * _q;
68 double new_dur = lrint((*i)->length() / _q) * _q;
72 (*i)->set_time(new_time);
73 (*i)->set_length(new_dur);
76 model->set_edited(true);