/
rendermidi.cpp
1614 lines (1471 loc) · 69 KB
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rendermidi.cpp
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//=============================================================================
// MuseScore
// Music Composition & Notation
//
// Copyright (C) 2002-2012 Werner Schweer
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2
// as published by the Free Software Foundation and appearing in
// the file LICENCE.GPL
//=============================================================================
/**
\file
render score into event list
*/
#include <set>
#include "score.h"
#include "volta.h"
#include "note.h"
#include "glissando.h"
#include "instrument.h"
#include "part.h"
#include "chord.h"
#include "trill.h"
#include "style.h"
#include "slur.h"
#include "tie.h"
#include "stafftext.h"
#include "repeat.h"
#include "articulation.h"
#include "arpeggio.h"
#include "durationtype.h"
#include "measure.h"
#include "tempo.h"
#include "sig.h"
#include "repeatlist.h"
#include "velo.h"
#include "dynamic.h"
#include "navigate.h"
#include "pedal.h"
#include "staff.h"
#include "hairpin.h"
#include "bend.h"
#include "tremolo.h"
#include "noteevent.h"
#include "synthesizer/event.h"
#include "segment.h"
#include "undo.h"
#include "utils.h"
namespace Ms {
//---------------------------------------------------------
// updateSwing
//---------------------------------------------------------
void Score::updateSwing()
{
foreach (Staff* s, _staves) {
s->swingList()->clear();
}
Measure* fm = firstMeasure();
if (!fm)
return;
for (Segment* s = fm->first(Segment::Type::ChordRest); s; s = s->next1(Segment::Type::ChordRest)) {
foreach (const Element* e, s->annotations()) {
if (e->type() != Element::Type::STAFF_TEXT)
continue;
const StaffText* st = static_cast<const StaffText*>(e);
if (st->xmlText().isEmpty())
continue;
Staff* staff = st->staff();
if (!st->swing())
continue;
SwingParameters sp;
sp.swingRatio = st->swingParameters()->swingRatio;
sp.swingUnit = st->swingParameters()->swingUnit;
if (st->systemFlag()) {
foreach (Staff* sta, _staves) {
sta->swingList()->insert(s->tick(),sp);
}
}
else
staff->swingList()->insert(s->tick(),sp);
}
}
}
//---------------------------------------------------------
// updateChannel
//---------------------------------------------------------
void Score::updateChannel()
{
foreach(Staff* s, _staves) {
for (int i = 0; i < VOICES; ++i)
s->channelList(i)->clear();
}
Measure* fm = firstMeasure();
if (!fm)
return;
for (Segment* s = fm->first(Segment::Type::ChordRest); s; s = s->next1(Segment::Type::ChordRest)) {
foreach(const Element* e, s->annotations()) {
if (e->type() == Element::Type::INSTRUMENT_CHANGE) {
Staff* staff = _staves[e->staffIdx()];
for (int voice = 0; voice < VOICES; ++voice)
staff->channelList(voice)->insert(s->tick(), 0);
continue;
}
if (e->type() != Element::Type::STAFF_TEXT)
continue;
const StaffText* st = static_cast<const StaffText*>(e);
for (int voice = 0; voice < VOICES; ++voice) {
QString an(st->channelName(voice));
if (an.isEmpty())
continue;
Staff* staff = _staves[st->staffIdx()];
int a = staff->part()->instrument(s->tick())->channelIdx(an);
if (a != -1)
staff->channelList(voice)->insert(s->tick(), a);
}
}
}
for (Segment* s = fm->first(Segment::Type::ChordRest); s; s = s->next1(Segment::Type::ChordRest)) {
foreach(Staff* st, _staves) {
int strack = st->idx() * VOICES;
int etrack = strack + VOICES;
for (int track = strack; track < etrack; ++track) {
if (!s->element(track))
continue;
Element* e = s->element(track);
if (e->type() != Element::Type::CHORD)
continue;
Chord* c = static_cast<Chord*>(e);
int channel = st->channel(c->tick(), c->voice());
foreach (Note* note, c->notes()) {
if (note->hidden())
continue;
if (note->tieBack())
continue;
note->setSubchannel(channel);
}
}
}
}
}
//---------------------------------------------------------
// playNote
//---------------------------------------------------------
static void playNote(EventMap* events, const Note* note, int channel, int pitch,
int velo, int onTime, int offTime)
{
if (!note->play())
return;
velo = note->customizeVelocity(velo);
NPlayEvent ev(ME_NOTEON, channel, pitch, velo);
ev.setTuning(note->tuning());
ev.setNote(note);
events->insert(std::pair<int, NPlayEvent>(onTime, ev));
ev.setVelo(0);
events->insert(std::pair<int, NPlayEvent>(offTime, ev));
}
//---------------------------------------------------------
// collectNote
//---------------------------------------------------------
static void collectNote(EventMap* events, int channel, const Note* note, int velo, int tickOffset)
{
if (!note->play() || note->hidden()) // do not play overlapping notes
return;
int pitch = note->ppitch();
Chord* chord = note->chord();
int ticks;
int tieLen = 0;
if (chord->isGrace()) {
chord = static_cast<Chord*>(chord->parent());
ticks = chord->actualTicks();
tieLen = 0;
}
else {
ticks = chord->actualTicks();
// calculate additional length due to ties forward
// taking NoteEvent length adjustments into account
// but stopping at any note with multiple NoteEvents
// and processing those notes recursively
if (note->tieFor()) {
Note* n = note->tieFor()->endNote();
while (n) {
NoteEventList nel = n->playEvents();
if (nel.size() == 1) {
// add value of this note to main note
// if we wish to suppress first note of ornament,
// then do this regardless of number of NoteEvents
tieLen += (n->chord()->actualTicks() * (nel[0].len())) / 1000;
}
else {
// recurse
collectNote(events, channel, n, velo, tickOffset);
break;
}
if (n->tieFor() && n != n->tieFor()->endNote())
n = n->tieFor()->endNote();
else
break;
}
}
}
int tick1 = chord->tick() + tickOffset;
bool tieFor = note->tieFor();
bool tieBack = note->tieBack();
NoteEventList nel = note->playEvents();
int nels = nel.size();
for (int i = 0; i < nels; ++i) {
const NoteEvent e = nel[i];
// skip if note has a tie into it and only one NoteEvent
// its length was already added to previous note
// if we wish to suppress first note of ornament
// then change "nels == 1" to "i == 0", and change "break" to "continue"
if (tieBack && nels == 1)
break;
int p = pitch + e.pitch();
if (p < 0)
p = 0;
else if (p > 127)
p = 127;
int on = tick1 + (ticks * e.ontime())/1000;
int off = on + (ticks * e.len())/1000 - 1;
if (tieFor && i == nels - 1)
off += tieLen;
playNote(events, note, channel, p, velo, on, off);
}
// Bends
for (Element* e: note->el()) {
if (e == 0 || e->type() != Element::Type::BEND)
continue;
Bend* bend = static_cast<Bend*>(e);
if (!bend->playBend())
break;
const QList<PitchValue>& points = bend->points();
int pitchSize = points.size();
double noteLen = note->playTicks();
int lastPointTick = tick1;
for(int pitchIndex = 0; pitchIndex < pitchSize-1; pitchIndex++) {
PitchValue pitchValue = points[pitchIndex];
PitchValue nextPitch = points[pitchIndex+1];
int nextPointTick = tick1 + nextPitch.time / 60.0 * noteLen;
int pitch = pitchValue.pitch;
if (pitchIndex == 0 && (pitch == nextPitch.pitch)) {
int midiPitch = (pitch * 16384) / 1200 + 8192;
int msb = midiPitch / 128;
int lsb = midiPitch % 128;
NPlayEvent ev(ME_PITCHBEND, channel, lsb, msb);
events->insert(std::pair<int, NPlayEvent>(lastPointTick, ev));
lastPointTick = nextPointTick;
continue;
}
if (pitch == nextPitch.pitch && !(pitchIndex == 0 && pitch != 0)) {
lastPointTick = nextPointTick;
continue;
}
double pitchDelta = nextPitch.pitch - pitch;
double tickDelta = nextPitch.time - pitchValue.time;
/* B
/. pitch is 1/100 semitones
bend / . pitchDelta time is in noteDuration/60
/ . midi pitch is 12/16384 semitones
A....
tickDelta */
for (int i = lastPointTick; i <= nextPointTick; i += 16) {
double dx = ((i-lastPointTick) * 60) / noteLen;
int p = pitch + dx * pitchDelta / tickDelta;
// We don't support negative pitch, but Midi does. Let's center by adding 8192.
int midiPitch = (p * 16384) / 1200 + 8192;
// Representing pitch as two bytes
int msb = midiPitch / 128;
int lsb = midiPitch % 128;
NPlayEvent ev(ME_PITCHBEND, channel, lsb, msb);
events->insert(std::pair<int, NPlayEvent>(i, ev));
}
lastPointTick = nextPointTick;
}
NPlayEvent ev(ME_PITCHBEND, channel, 0, 64); // 0:64 is 8192 - no pitch bend
events->insert(std::pair<int, NPlayEvent>(tick1+noteLen, ev));
}
}
//---------------------------------------------------------
// aeolusSetStop
//---------------------------------------------------------
static void aeolusSetStop(int tick, int channel, int i, int k, bool val, EventMap* events)
{
NPlayEvent event;
event.setType(ME_CONTROLLER);
event.setController(98);
if (val)
event.setValue(0x40 + 0x20 + i);
else
event.setValue(0x40 + 0x10 + i);
event.setChannel(channel);
events->insert(std::pair<int,NPlayEvent>(tick, event));
event.setValue(k);
events->insert(std::pair<int,NPlayEvent>(tick, event));
// event.setValue(0x40 + i);
// events->insert(std::pair<int,NPlayEvent>(tick, event));
}
//---------------------------------------------------------
// collectMeasureEvents
//---------------------------------------------------------
static void collectMeasureEvents(EventMap* events, Measure* m, Staff* staff, int tickOffset)
{
int firstStaffIdx = staff->idx();
int nextStaffIdx = firstStaffIdx + 1;
Segment::Type st = Segment::Type::ChordRest;
int strack = firstStaffIdx * VOICES;
int etrack = nextStaffIdx * VOICES;
for (Segment* seg = m->first(st); seg; seg = seg->next(st)) {
int tick = seg->tick();
for (int track = strack; track < etrack; ++track) {
// skip linked staves, except primary
if (!m->score()->staff(track / VOICES)->primaryStaff()) {
track += VOICES-1;
continue;
}
Element* cr = seg->element(track);
if (cr == 0 || cr->type() != Element::Type::CHORD)
continue;
Chord* chord = static_cast<Chord*>(cr);
Staff* staff = chord->staff();
int velocity = staff->velocities().velo(seg->tick());
Instrument* instr = chord->part()->instrument(tick);
int channel = instr->channel(chord->upNote()->subchannel())->channel;
foreach (Articulation* a, chord->articulations()) {
instr->updateVelocity(&velocity,channel, a->subtypeName());
}
for (Chord* c : chord->graceNotesBefore()) {
for (const Note* note : c->notes())
collectNote(events, channel, note, velocity, tickOffset);
}
foreach (const Note* note, chord->notes())
collectNote(events, channel, note, velocity, tickOffset);
#if 0
// TODO: add support for grace notes after - see createPlayEvents()
QList<Chord*> gna;
chord->getGraceNotesAfter(&gna);
for (Chord* c : gna) {
for (const Note* note : c->notes())
collectNote(events, channel, note, velocity, tickOffset);
}
#endif
}
}
//
// collect program changes and controller
//
for (Segment* s = m->first(Segment::Type::ChordRest); s; s = s->next(Segment::Type::ChordRest)) {
// int tick = s->tick();
foreach(Element* e, s->annotations()) {
if (e->type() != Element::Type::STAFF_TEXT
|| e->staffIdx() < firstStaffIdx
|| e->staffIdx() >= nextStaffIdx)
continue;
const StaffText* st = static_cast<const StaffText*>(e);
int tick = s->tick() + tickOffset;
Instrument* instr = e->part()->instrument(tick);
foreach (const ChannelActions& ca, *st->channelActions()) {
int channel = ca.channel;
foreach(const QString& ma, ca.midiActionNames) {
NamedEventList* nel = instr->midiAction(ma, channel);
if (!nel)
continue;
for (MidiCoreEvent event : nel->events) {
event.setChannel(channel);
NPlayEvent e(event);
events->insert(std::pair<int, NPlayEvent>(tick, e));
}
}
}
if (st->setAeolusStops()) {
Staff* staff = st->staff();
int voice = 0;
int channel = staff->channel(tick, voice);
for (int i = 0; i < 4; ++i) {
static int num[4] = { 12, 13, 16, 16 };
for (int k = 0; k < num[i]; ++k)
aeolusSetStop(tick, channel, i, k, st->getAeolusStop(i, k), events);
}
}
}
}
}
//---------------------------------------------------------
// updateRepeatList
//---------------------------------------------------------
void Score::updateRepeatList(bool expandRepeats)
{
if (!expandRepeats) {
foreach(RepeatSegment* s, *repeatList())
delete s;
repeatList()->clear();
Measure* m = lastMeasure();
if (m == 0)
return;
RepeatSegment* s = new RepeatSegment;
s->tick = 0;
s->len = m->tick() + m->ticks();
s->utick = 0;
s->utime = 0.0;
s->timeOffset = 0.0;
repeatList()->append(s);
}
else
repeatList()->unwind();
if (MScore::debugMode)
repeatList()->dump();
setPlaylistDirty();
}
//---------------------------------------------------------
// updateHairpin
//---------------------------------------------------------
void Score::updateHairpin(Hairpin* h)
{
Staff* st = h->staff();
int tick = h->tick();
int velo = st->velocities().velo(tick);
int incr = h->veloChange();
int tick2 = h->tick2();
//
// If velocity increase/decrease is zero, then assume
// the end velocity is taken from the next velocity
// event (the next dynamics symbol after the hairpin).
//
int endVelo = velo;
if (h->hairpinType() == Hairpin::Type::CRESCENDO) {
if (incr == 0 && velo < st->velocities().nextVelo(tick2-1))
endVelo = st->velocities().nextVelo(tick2-1);
else
endVelo += incr;
}
else {
if (incr == 0 && velo > st->velocities().nextVelo(tick2-1))
endVelo = st->velocities().nextVelo(tick2-1);
else
endVelo -= incr;
}
if (endVelo > 127)
endVelo = 127;
else if (endVelo < 1)
endVelo = 1;
switch (h->dynRange()) {
case Dynamic::Range::STAFF:
st->velocities().setVelo(tick, VeloEvent(VeloType::RAMP, velo));
st->velocities().setVelo(tick2-1, VeloEvent(VeloType::FIX, endVelo));
break;
case Dynamic::Range::PART:
foreach(Staff* s, *st->part()->staves()) {
s->velocities().setVelo(tick, VeloEvent(VeloType::RAMP, velo));
s->velocities().setVelo(tick2-1, VeloEvent(VeloType::FIX, endVelo));
}
break;
case Dynamic::Range::SYSTEM:
foreach(Staff* s, _staves) {
s->velocities().setVelo(tick, VeloEvent(VeloType::RAMP, velo));
s->velocities().setVelo(tick2-1, VeloEvent(VeloType::FIX, endVelo));
}
break;
}
}
//---------------------------------------------------------
// removeHairpin
//---------------------------------------------------------
void Score::removeHairpin(Hairpin* h)
{
Staff* st = h->staff();
int tick = h->tick();
int tick2 = h->tick2() - 1;
switch(h->dynRange()) {
case Dynamic::Range::STAFF:
st->velocities().remove(tick);
st->velocities().remove(tick2);
break;
case Dynamic::Range::PART:
foreach(Staff* s, *st->part()->staves()) {
s->velocities().remove(tick);
s->velocities().remove(tick2);
}
break;
case Dynamic::Range::SYSTEM:
foreach(Staff* s, _staves) {
s->velocities().remove(tick);
s->velocities().remove(tick2);
}
break;
}
}
//---------------------------------------------------------
// updateVelo
// calculate velocity for all notes
//---------------------------------------------------------
void Score::updateVelo()
{
//
// collect Dynamics
//
if (!firstMeasure())
return;
for (Staff* st : _staves) {
VeloList& velo = st->velocities();
velo.clear();
velo.setVelo(0, 80);
}
for (int staffIdx = 0; staffIdx < nstaves(); ++staffIdx) {
Staff* st = staff(staffIdx);
VeloList& velo = st->velocities();
Part* prt = st->part();
int partStaves = prt->nstaves();
int partStaff = Score::staffIdx(prt);
for (Segment* s = firstMeasure()->first(); s; s = s->next1()) {
int tick = s->tick();
foreach (const Element* e, s->annotations()) {
if (e->staffIdx() != staffIdx)
continue;
if (e->type() != Element::Type::DYNAMIC)
continue;
const Dynamic* d = static_cast<const Dynamic*>(e);
int v = d->velocity();
if (v < 1) // illegal value
continue;
int dStaffIdx = d->staffIdx();
switch(d->dynRange()) {
case Dynamic::Range::STAFF:
if (dStaffIdx == staffIdx)
velo.setVelo(tick, v);
break;
case Dynamic::Range::PART:
if (dStaffIdx >= partStaff && dStaffIdx < partStaff+partStaves) {
for (int i = partStaff; i < partStaff+partStaves; ++i)
staff(i)->velocities().setVelo(tick, v);
}
break;
case Dynamic::Range::SYSTEM:
for (int i = 0; i < nstaves(); ++i)
staff(i)->velocities().setVelo(tick, v);
break;
}
}
}
for (const auto& sp : _spanner.map()) {
Spanner* s = sp.second;
if (s->type() != Element::Type::HAIRPIN || sp.second->staffIdx() != staffIdx)
continue;
Hairpin* h = static_cast<Hairpin*>(s);
updateHairpin(h);
}
}
}
//---------------------------------------------------------
// renderStaff
//---------------------------------------------------------
void Score::renderStaff(EventMap* events, Staff* staff)
{
Measure* lastMeasure = 0;
foreach (const RepeatSegment* rs, *repeatList()) {
int startTick = rs->tick;
int endTick = startTick + rs->len;
int tickOffset = rs->utick - rs->tick;
for (Measure* m = tick2measure(startTick); m; m = m->nextMeasure()) {
if (lastMeasure && m->isRepeatMeasure(staff)) {
int offset = m->tick() - lastMeasure->tick();
collectMeasureEvents(events, lastMeasure, staff, tickOffset + offset);
}
else {
lastMeasure = m;
collectMeasureEvents(events, lastMeasure, staff, tickOffset);
}
if (m->tick() + m->ticks() >= endTick)
break;
}
}
}
//---------------------------------------------------------
// renderSpanners
//---------------------------------------------------------
void Score::renderSpanners(EventMap* events, int staffIdx)
{
foreach (const RepeatSegment* rs, *repeatList()) {
int tickOffset = rs->utick - rs->tick;
int utick1 = rs->utick;
int tick1 = repeatList()->utick2tick(utick1);
int tick2 = tick1 + rs->len;
std::map<int, std::vector<std::pair<int, bool>>> channelPedalEvents = std::map<int, std::vector<std::pair<int, bool>>>();
for (const auto& sp : _spanner.map()) {
Spanner* s = sp.second;
if (s->type() != Element::Type::PEDAL || (staffIdx != -1 && s->staffIdx() != staffIdx))
continue;
int idx = s->staff()->channel(s->tick(), 0);
int channel = s->part()->instrument(s->tick())->channel(idx)->channel;
channelPedalEvents.insert({channel, std::vector<std::pair<int, bool>>()});
std::vector<std::pair<int, bool>> pedalEventList = channelPedalEvents.at(channel);
std::pair<int, bool> lastEvent;
if (!pedalEventList.empty())
lastEvent = pedalEventList.back();
else
lastEvent = std::pair<int, bool>(0, true);
if (s->tick() >= tick1 && s->tick() < tick2) {
// Handle "overlapping" pedal segments (usual case for connected pedal line)
if (lastEvent.second == false && lastEvent.first >= (s->tick() + tickOffset + 2)) {
channelPedalEvents.at(channel).pop_back();
channelPedalEvents.at(channel).push_back(std::pair<int, bool>(s->tick() + tickOffset + 1, false));
}
channelPedalEvents.at(channel).push_back(std::pair<int, bool>(s->tick() + tickOffset + 2, true));
}
if (s->tick2() >= tick1 && s->tick2() <= tick2) {
int t = s->tick2() + tickOffset + 1;
if (t > repeatList()->last()->utick + repeatList()->last()->len)
t = repeatList()->last()->utick + repeatList()->last()->len;
channelPedalEvents.at(channel).push_back(std::pair<int, bool>(t, false));
}
}
for (const auto& pedalEvents : channelPedalEvents) {
int channel = pedalEvents.first;
for (const auto& pe : pedalEvents.second) {
NPlayEvent event;
if (pe.second == true)
event = NPlayEvent(ME_CONTROLLER, channel, CTRL_SUSTAIN, 127);
else
event = NPlayEvent(ME_CONTROLLER, channel, CTRL_SUSTAIN, 0);
events->insert(std::pair<int,NPlayEvent>(pe.first, event));
}
}
}
}
//--------------------------------------------------------
// swingAdjustParams
//--------------------------------------------------------
void Score::swingAdjustParams(Chord* chord, int& gateTime, int& ontime, int swingUnit, int swingRatio)
{
int tick = chord->rtick();
// adjust for anacrusis
Measure* cm = chord->measure();
MeasureBase* pm = cm->prev();
Element::Type pt = pm ? pm->type() : Element::Type::INVALID;
if (!pm || pm->lineBreak() || pm->pageBreak() || pm->sectionBreak()
|| pt == Element::Type::VBOX || pt == Element::Type::HBOX
|| pt == Element::Type::FBOX || pt == Element::Type::TBOX) {
int offset = (cm->timesig() - cm->len()).ticks();
if (offset > 0)
tick += offset;
}
int swingBeat = swingUnit * 2;
qreal ticksDuration = (qreal)chord->actualTicks();
qreal swingTickAdjust = ((qreal)swingBeat) * (((qreal)(swingRatio-50))/100.0);
qreal swingActualAdjust = (swingTickAdjust/ticksDuration) * 1000.0;
ChordRest *ncr = nextChordRest(chord);
//Check the position of the chord to apply changes accordingly
if (tick % swingBeat == swingUnit) {
if (!isSubdivided(chord,swingUnit)) {
ontime = ontime + swingActualAdjust;
}
}
int endTick = tick + ticksDuration;
if ((endTick % swingBeat == swingUnit) && (!isSubdivided(ncr,swingUnit))) {
gateTime = gateTime + (swingActualAdjust/10);
}
}
//---------------------------------------------------------
// isSubdivided
// Check for subdivided beat
//---------------------------------------------------------
bool Score::isSubdivided(ChordRest* chord, int swingUnit)
{
if (!chord)
return false;
ChordRest* prev = prevChordRest(chord);
if (chord->actualTicks() < swingUnit || (prev && prev->actualTicks() < swingUnit))
return true;
else
return false;
}
//---------------------------------------------------------
// renderTremolo
//---------------------------------------------------------
void renderTremolo(Chord *chord, QList<NoteEventList> & ell)
{
Segment* seg = chord->segment();
Tremolo* tremolo = chord->tremolo();
int notes = chord->notes().size();
//int n = 1 << tremolo->lines();
//int l = 1000 / n;
if (chord->tremoloChordType() == TremoloChordType::TremoloFirstNote) {
int t = MScore::division / (1 << (tremolo->lines() + chord->durationType().hooks()));
Segment::Type st = Segment::Type::ChordRest;
Segment* seg2 = seg->next(st);
int track = chord->track();
while (seg2 && !seg2->element(track))
seg2 = seg2->next(st);
Chord* c2 = seg2 ? static_cast<Chord*>(seg2->element(track)) : 0;
if (c2 && c2->type() == Element::Type::CHORD) {
int notes2 = c2->notes().size();
int tnotes = qMax(notes, notes2);
int tticks = chord->actualTicks() * 2; // use twice the size
int n = tticks / t;
n /= 2;
int l = 2000 * t / tticks;
for (int k = 0; k < tnotes; ++k) {
NoteEventList* events;
if (k < notes) {
// first chord has note
events = &ell[k];
events->clear();
}
else {
// otherwise reuse note 0
events = &ell[0];
}
if (k < notes && k < notes2) {
// both chords have note
int p1 = chord->notes()[k]->pitch();
int p2 = c2->notes()[k]->pitch();
int dpitch = p2 - p1;
for (int i = 0; i < n; ++i) {
events->append(NoteEvent(0, l * i * 2, l));
events->append(NoteEvent(dpitch, l * i * 2 + l, l));
}
}
else if (k < notes) {
// only first chord has note
for (int i = 0; i < n; ++i)
events->append(NoteEvent(0, l * i * 2, l));
}
else {
// only second chord has note
// reuse note 0 of first chord
int p1 = chord->notes()[0]->pitch();
int p2 = c2->notes()[k]->pitch();
int dpitch = p2-p1;
for (int i = 0; i < n; ++i)
events->append(NoteEvent(dpitch, l * i * 2 + l, l));
}
}
}
else
qDebug("Chord::renderTremolo: cannot find 2. chord");
}
else if (chord->tremoloChordType() == TremoloChordType::TremoloSecondNote) {
for (int k = 0; k < notes; ++k) {
NoteEventList* events = &(ell)[k];
events->clear();
}
}
else if (chord->tremoloChordType() == TremoloChordType::TremoloSingle) {
int t = MScore::division / (1 << (tremolo->lines() + chord->durationType().hooks()));
if (t == 0) // avoid crash on very short tremolo
t = 1;
int n = chord->duration().ticks() / t;
int l = 1000 / n;
for (int k = 0; k < notes; ++k) {
NoteEventList* events = &(ell)[k];
events->clear();
for (int i = 0; i < n; ++i)
events->append(NoteEvent(0, l * i, l));
}
}
}
//---------------------------------------------------------
// renderArpeggio
//---------------------------------------------------------
void renderArpeggio(Chord *chord, QList<NoteEventList> & ell)
{
int notes = chord->notes().size();
int l = 64;
while (l * notes > chord->upNote()->playTicks())
l = 2*l / 3;
int start, end, step;
bool up = chord->arpeggio()->arpeggioType() != ArpeggioType::DOWN && chord->arpeggio()->arpeggioType() != ArpeggioType::DOWN_STRAIGHT;
if (up) {
start = 0;
end = notes;
step = 1;
}
else {
start = notes - 1;
end = -1;
step = -1;
}
int j = 0;
for (int i = start; i != end; i += step) {
NoteEventList* events = &(ell)[i];
events->clear();
int ot = (l * j * 1000) / chord->upNote()->playTicks();
events->append(NoteEvent(0, ot, 1000 - ot));
j++;
}
}
//---------------------------------------------------------
// convertLine
// find the line in clefF corresponding to lineL2 in clefR
//---------------------------------------------------------
int convertLine (int lineL2, ClefType clefL, ClefType clefR) {
int lineR2 = lineL2;
int goalpitch = line2pitch(lineL2, clefL, Key::C);
while ( line2pitch(lineR2, clefR, Key::C) > goalpitch )
lineR2++;
while ( line2pitch(lineR2, clefR, Key::C) < goalpitch )
lineR2--;
return lineR2;
}
//---------------------------------------------------------
// convertLine
// find the line in clef for NoteL corresponding to lineL2 in clef for noteR
// for example middle C is line 10 in Treble clef, but is line -2 in Bass clef.
//---------------------------------------------------------
int convertLine(int lineL2, Note *noteL, Note *noteR)
{
return convertLine(lineL2,
noteL->chord()->staff()->clef(noteL->chord()->tick()),
noteR->chord()->staff()->clef(noteR->chord()->tick()));
}
//---------------------------------------------------------
// articulationExcursion
// noteL is the note to measure the deltastep from, i.e., ornaments are w.r.t. this note
// noteR is the note to search backward from to find accidentals.
// for ornament calculation noteL and noteR are the same, but for glissando they are
// the start end end note of glissando.
// deltastep is the number of diatonic steps between the base note and this articulation step.
//---------------------------------------------------------
int articulationExcursion(Note *noteL, Note *noteR, int deltastep)
{
if (0 == deltastep)
return 0;
Chord *chordL = noteL->chord();
Chord *chordR = noteR->chord();
int pitchL = noteL->pitch();
int tickL = chordL->tick();
Staff * staffL = chordL->staff();
ClefType clefL = staffL->clef(tickL);
// line represents the ledger line of the staff. 0 is the top line, 1, is the space between the top 2 lines,
// ... 8 is the bottom line.
int lineL = noteL->line();
// we use line - deltastep, because lines are oriented from top to bottom, while step is oriented from bottom to top.
int lineL2 = lineL - deltastep;
Measure* measureR = chordR->segment()->measure();
Segment* segment = noteL->chord()->segment();
int lineR2 = convertLine(lineL2, noteL, noteR);
// is there another note in this segment on the same line?
// if so, use its pitch exactly.
int halfsteps = 0;
int staffIdx = staffL->idx();
int startTrack = staffIdx * VOICES;
int endTrack = startTrack + VOICES;
bool done = false;
for (int track = startTrack; track < endTrack; ++track) {
Element *e = segment->element(track);
if (!e || e->type() != Element::Type::CHORD)
continue;
Chord* chord = static_cast<Chord*>(e);
for (Note* note : chord->notes()) {
if (note->tieBack())
continue;
int pc = (note->line() + 700) % 7;
int pc2 = (lineL2 + 700) % 7;
if (pc2 == pc) {
// e.g., if there is an F# note at this staff/tick, then force every F to be F#.
int octaves = (note->line() - lineL2) / 7;
halfsteps = note->pitch() + 12 * octaves - pitchL;
done = true;
break;
}
}
if (!done) {
if (staffL->isPitchedStaff()) {
bool error = false;
AccidentalVal acciv2 = measureR->findAccidental(chordR->segment(), chordR->staff()->idx(), lineR2, error);
int acci2 = int(acciv2);
// we have to add ( note->ppitch() - noteL->epitch() ) which is the delta for transposing instruments.
halfsteps = line2pitch(lineL-deltastep, clefL, Key::C) + noteL->ppitch() - noteL->epitch() + acci2 - pitchL;
}
else {
// cannot rely on accidentals or key signatures
halfsteps = deltastep;
}
}
}
return halfsteps;
}
//---------------------------------------------------------
// totalTiedNoteTicks
// return the total of the actualTicks of the given note plus
// the chain of zero or more notes tied to it to the right.
//---------------------------------------------------------
int totalTiedNoteTicks(Note* note)
{
int total = note->chord()->actualTicks();
while (note->tieFor() && (note->chord()->tick() < note->tieFor()->endNote()->chord()->tick())) {
note = note->tieFor()->endNote();
total += note->chord()->actualTicks();
}
return total;
};
//---------------------------------------------------------
// renderNoteArticulation
// tickspernote, number of ticks, either _16h or _32nd, i.e., MScore::division/4 or MScore::division/8
// repeatp, true means repeat the body as many times as possible to fill the time slice.
// sustainp, true means the last note of the body is sustained to fill remaining time slice
//---------------------------------------------------------
bool renderNoteArticulation(NoteEventList* events, Note * note, bool chromatic, int requestedTicksPerNote,
const vector<int> & prefix, const vector<int> & body,
bool repeatp, bool sustainp, const vector<int> & suffix,
int fastestFreq=16, int slowestFreq=8 // 16 Hz and 8 Hz
)
{
events->clear();
Chord *chord = note->chord();
int maxticks = totalTiedNoteTicks(note);
int space = 1000 * maxticks;
int numrepeat = 1;
int sustain = 0;
int ontime = 0;
int p = prefix.size();
int b = body.size();
int s = suffix.size();
int ticksPerNote = 0;