/*
- Copyright (C) 2004 Paul Davis
+ Copyright (C) 2004 Paul Davis
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
#include "pbd/basename.h"
-#include "ardour/types.h"
#include "ardour/quantize.h"
-#include "ardour/session.h"
-#include "ardour/smf_source.h"
-#include "ardour/midi_region.h"
-#include "ardour/tempo.h"
+#include "ardour/midi_model.h"
#include "i18n.h"
using namespace std;
+using namespace PBD;
using namespace ARDOUR;
/** Quantize notes
* 0.25 = quantize to beats/4, etc.
*/
-Quantize::Quantize (Session& s, QuantizeType /* type */,
- bool snap_start, bool snap_end,
- double start_grid, double end_grid,
+Quantize::Quantize (Session& s, bool snap_start, bool snap_end,
+ double start_grid, double end_grid,
float strength, float swing, float threshold)
: session (s)
, _snap_start (snap_start)
{
}
-int
-Quantize::operator () (std::vector<Evoral::Sequence<Evoral::MusicalTime>::Notes>& seqs)
+Command*
+Quantize::operator () (boost::shared_ptr<MidiModel> model,
+ double position,
+ std::vector<Evoral::Sequence<Evoral::MusicalTime>::Notes>& seqs)
{
+ /* Calculate offset from start of model to next closest quantize step,
+ to quantize relative to actual session beats (etc.) rather than from the
+ start of the model.
+ */
+ const double round_pos = ceil(position / _start_grid) * _start_grid;
+ const double offset = round_pos - position;
+
bool even;
+ MidiModel::NoteDiffCommand* cmd = new MidiModel::NoteDiffCommand (model, "quantize");
- for (std::vector<Evoral::Sequence<Evoral::MusicalTime>::Notes>::iterator s = seqs.begin();
- s != seqs.end(); ++s) {
+ for (std::vector<Evoral::Sequence<Evoral::MusicalTime>::Notes>::iterator s = seqs.begin(); s != seqs.end(); ++s) {
even = false;
- for (Evoral::Sequence<MidiModel::TimeType>::Notes::iterator i = (*s).begin();
- i != (*s).end(); ++i) {
-
- double new_start = round ((*i)->time() / _start_grid) * _start_grid;
- double new_end = round ((*i)->end_time() / _end_grid) * _end_grid;
- double delta;
-
+ for (Evoral::Sequence<MidiModel::TimeType>::Notes::iterator i = (*s).begin(); i != (*s).end(); ++i) {
+
+ double new_start = round ((*i)->time() / _start_grid) * _start_grid + offset;
+ double new_end = round ((*i)->end_time() / _end_grid) * _end_grid + offset;
+
if (_swing > 0.0 && !even) {
-
+
double next_grid = new_start + _start_grid;
-
+
/* find a spot 2/3 (* swing factor) of the way between the grid point
we would put this note at, and the nominal position of the next note.
*/
-
+
new_start = new_start + (2.0/3.0 * _swing * (next_grid - new_start));
-
+
} else if (_swing < 0.0 && !even) {
-
+
double prev_grid = new_start - _start_grid;
-
+
/* find a spot 2/3 (* swing factor) of the way between the grid point
we would put this note at, and the nominal position of the previous note.
*/
-
+
new_start = new_start - (2.0/3.0 * _swing * (new_start - prev_grid));
-
+
}
-
- delta = new_start - (*i)->time();
-
+
+ double delta = new_start - (*i)->time();
+
if (fabs (delta) >= _threshold) {
if (_snap_start) {
delta *= _strength;
- (*i)->set_time ((*i)->time() + delta);
+ cmd->change ((*i), MidiModel::NoteDiffCommand::StartTime,
+ (*i)->time() + delta);
}
}
-
+
if (_snap_end) {
delta = new_end - (*i)->end_time();
-
+
if (fabs (delta) >= _threshold) {
double new_dur = new_end - new_start;
-
+
if (new_dur == 0.0) {
new_dur = _end_grid;
}
-
- (*i)->set_length (new_dur);
+
+ cmd->change ((*i), MidiModel::NoteDiffCommand::Length, new_dur);
}
}
-
+
even = !even;
}
}
- return 0;
+ return cmd;
}