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sequence.cpp
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/*
Drumstick MIDI File Player Multiplatform Program
Copyright (C) 2006-2022, Pedro Lopez-Cabanillas <[email protected]>
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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include <QtMath>
#include <QDebug>
#include <QFileInfo>
#include <QRegularExpression>
#include "sequence.h"
using namespace drumstick::File;
using namespace drumstick::rt;
Sequence::Sequence(QObject *parent) : QObject(parent),
m_rmid(nullptr),
m_smf(nullptr),
m_wrk(nullptr),
m_uchardetErrors(0),
m_format(0),
m_numTracks(0),
m_ticksDuration(0),
m_division(-1),
m_pos(0),
m_curTrack(-1),
m_beatMax(0),
m_barCount(0),
m_beatCount(0),
m_lowestMidiNote(127),
m_highestMidiNote(0),
m_tempo(500000.0),
m_tempoFactor(1.0),
m_ticks2millis(0),
m_duration(0),
m_lastBeat(0),
m_beatLength(0),
m_tick(0),
m_codec(nullptr)
{
m_rmid = new Rmidi(this);
connect(m_rmid, &Rmidi::signalRiffData, this, &Sequence::dataHandler);
connect(m_rmid, &Rmidi::signalRiffInfo, this, &Sequence::infoHandler);
m_smf = new QSmf(this);
connect(m_smf, &QSmf::signalSMFHeader, this, &Sequence::smfHeaderEvent);
connect(m_smf, &QSmf::signalSMFNoteOn, this, &Sequence::smfNoteOnEvent);
connect(m_smf, &QSmf::signalSMFNoteOff, this, &Sequence::smfNoteOffEvent);
connect(m_smf, &QSmf::signalSMFKeyPress, this, &Sequence::smfKeyPressEvent);
connect(m_smf, &QSmf::signalSMFCtlChange, this, &Sequence::smfCtlChangeEvent);
connect(m_smf, &QSmf::signalSMFPitchBend, this, &Sequence::smfPitchBendEvent);
connect(m_smf, &QSmf::signalSMFProgram, this, &Sequence::smfProgramEvent);
connect(m_smf, &QSmf::signalSMFChanPress, this, &Sequence::smfChanPressEvent);
connect(m_smf, &QSmf::signalSMFMetaMisc, this, &Sequence::smfMetaEvent);
connect(m_smf, &QSmf::signalSMFSysex, this, &Sequence::smfSysexEvent);
connect(m_smf, &QSmf::signalSMFText2, this, &Sequence::smfUpdateLoadProgress);
connect(m_smf, &QSmf::signalSMFTempo, this, &Sequence::smfTempoEvent);
connect(m_smf, &QSmf::signalSMFTrackStart, this, &Sequence::smfTrackStartEvent);
connect(m_smf, &QSmf::signalSMFTrackEnd, this, &Sequence::smfTrackEnd);
connect(m_smf, &QSmf::signalSMFendOfTrack, this, &Sequence::smfUpdateLoadProgress);
connect(m_smf, &QSmf::signalSMFError, this, &Sequence::smfErrorHandler);
connect(m_smf, &QSmf::signalSMFTimeSig, this, &Sequence::smfTimeSigEvent);
connect(m_smf, &QSmf::signalSMFKeySig, this, &Sequence::smfKeySig);
m_wrk = new QWrk(this);
connect(m_wrk, &QWrk::signalWRKError, this, &Sequence::wrkErrorHandler);
connect(m_wrk, &QWrk::signalWRKUnknownChunk, this, &Sequence::wrkUpdateLoadProgress);
connect(m_wrk, &QWrk::signalWRKHeader, this, &Sequence::wrkFileHeader);
connect(m_wrk, &QWrk::signalWRKEnd, this, &Sequence::wrkEndOfFile);
connect(m_wrk, &QWrk::signalWRKStreamEnd, this, &Sequence::wrkStreamEndEvent);
connect(m_wrk, &QWrk::signalWRKGlobalVars, this, &Sequence::wrkGlobalVars);
connect(m_wrk, &QWrk::signalWRKTrack2, this, &Sequence::wrkTrackHeader);
connect(m_wrk, &QWrk::signalWRKTimeBase, this, &Sequence::wrkTimeBase);
connect(m_wrk, &QWrk::signalWRKNote, this, &Sequence::wrkNoteEvent);
connect(m_wrk, &QWrk::signalWRKKeyPress, this, &Sequence::wrkKeyPressEvent);
connect(m_wrk, &QWrk::signalWRKCtlChange, this, &Sequence::wrkCtlChangeEvent);
connect(m_wrk, &QWrk::signalWRKPitchBend, this, &Sequence::wrkPitchBendEvent);
connect(m_wrk, &QWrk::signalWRKProgram, this, &Sequence::wrkProgramEvent);
connect(m_wrk, &QWrk::signalWRKChanPress, this, &Sequence::wrkChanPressEvent);
connect(m_wrk, &QWrk::signalWRKSysexEvent, this, &Sequence::wrkSysexEvent);
connect(m_wrk, &QWrk::signalWRKSysex, this, &Sequence::wrkSysexEventBank);
connect(m_wrk, &QWrk::signalWRKText2, this, &Sequence::wrkTextEvent);
connect(m_wrk, &QWrk::signalWRKTimeSig, this, &Sequence::wrkTimeSignatureEvent);
connect(m_wrk, &QWrk::signalWRKKeySig, this, &Sequence::wrkKeySig);
connect(m_wrk, &QWrk::signalWRKTempo, this, &Sequence::wrkTempoEvent);
connect(m_wrk, &QWrk::signalWRKTrackPatch, this, &Sequence::wrkTrackPatch);
connect(m_wrk, &QWrk::signalWRKComments2, this, &Sequence::wrkComments);
connect(m_wrk, &QWrk::signalWRKVariableRecord, this, &Sequence::wrkVariableRecord);
connect(m_wrk, &QWrk::signalWRKNewTrack2, this, &Sequence::wrkNewTrackHeader);
connect(m_wrk, &QWrk::signalWRKTrackName2, this, &Sequence::wrkTrackName);
connect(m_wrk, &QWrk::signalWRKTrackVol, this, &Sequence::wrkTrackVol);
connect(m_wrk, &QWrk::signalWRKTrackBank, this, &Sequence::wrkTrackBank);
connect(m_wrk, &QWrk::signalWRKSegment2, this, &Sequence::wrkSegment);
connect(m_wrk, &QWrk::signalWRKChord, this, &Sequence::wrkChord);
connect(m_wrk, &QWrk::signalWRKExpression2, this, &Sequence::wrkExpression);
connect(m_wrk, &QWrk::signalWRKMarker2, this, &Sequence::wrkMarker);
/* m_wrk->setTextCodec(nullptr); // important !!! */
m_handle = uchardet_new();
initCodecs();
clear();
}
Sequence::~Sequence()
{
//qDebug() << Q_FUNC_INFO;
clear();
uchardet_delete(m_handle);
}
void Sequence::initCodecs()
{
QMap<QString,int> aux;
foreach(const auto mib, QTextCodec::availableMibs()) {
QTextCodec *c = QTextCodec::codecForMib(mib);
if (c != nullptr && mib != 0) {
aux.insert(c->name(), mib);
}
}
QByteArrayList umibkeys = m_umibs.keys();
foreach(const auto k, umibkeys) {
auto mib = m_umibs[k];
if (!aux.contains(k) || aux.key(mib).isEmpty())
{
QTextCodec *c = QTextCodec::codecForMib(mib);
if (c != nullptr)
{
aux.insert(k, mib);
//qDebug() << "adding extra codec:" << k << mib;
}
}
}
QStringList keys = aux.keys();
keys.sort();
keys.removeDuplicates();
m_supportedCodecs.clear();
foreach(const auto k, keys) {
m_supportedCodecs.insert(k.toUpper().toLatin1(), aux[k]);
}
//qDebug() << Q_FUNC_INFO << m_supportedCodecs.count();
}
void Sequence::findCodec()
{
m_mib = 0;
m_codec = nullptr;
if (m_supportedCodecs.contains(m_charset)) {
m_mib = m_supportedCodecs[m_charset];
m_codec = QTextCodec::codecForMib(m_mib);
}
}
BeatEvent* Sequence::nearestBeatByTicks(int ticks)
{
static const std::type_info& beatId = typeid(BeatEvent);
BeatEvent *nearest = nullptr;
foreach(MIDIEvent* ev, m_list) {
if (ev->isMetaEvent() && typeid(*ev) == beatId) {
if (ev->tick() <= ticks) {
nearest = static_cast<BeatEvent*>(ev);
} else {
break;
}
}
}
return nearest;
}
BeatEvent *Sequence::nextBar(BeatEvent* latest)
{
static const std::type_info& beatId = typeid(BeatEvent);
BeatEvent *nearest = latest;
if (nearest != nullptr) {
int nextBar = nearest->bar() + 1;
int from = m_list.indexOf(latest);
for(int i = from; i < m_list.count(); ++i) {
MIDIEvent* ev = m_list.at(i);
if (ev->isMetaEvent() && typeid(*ev) == beatId) {
nearest = static_cast<BeatEvent*>(ev);
if ((nearest->bar() >= nextBar) && (nearest->beat() == 1)) {
break;
}
}
}
}
return nearest;
}
BeatEvent *Sequence::previousBar(BeatEvent* latest)
{
static const std::type_info& beatId = typeid(BeatEvent);
BeatEvent *nearest = latest;
if (nearest != nullptr) {
int prevBar = nearest->bar() - 1;
int from = m_list.indexOf(latest);
for(int i = from; i >= 0; --i) {
MIDIEvent* ev = m_list.at(i);
if (ev->isMetaEvent() && typeid(*ev) == beatId) {
nearest = static_cast<BeatEvent*>(ev);
if ((nearest->bar() <= prevBar) && (nearest->beat() == 1)) {
break;
}
}
}
}
return nearest;
}
BeatEvent *Sequence::jumpToBar(int bar)
{
static const std::type_info& beatId = typeid(BeatEvent);
BeatEvent *nearest = nullptr;
for(int i = 0; i < m_list.count(); ++i) {
MIDIEvent* ev = m_list.at(i);
if (ev->isMetaEvent() && typeid(*ev) == beatId) {
nearest = static_cast<BeatEvent*>(ev);
if ((nearest->bar() >= bar) && (nearest->beat() == 1)) {
break;
}
}
}
return nearest;
}
BeatEvent *Sequence::firstBeat()
{
static const std::type_info& beatId = typeid(BeatEvent);
BeatEvent *nearest = nullptr;
for(int i = 0; i < m_list.count(); ++i) {
MIDIEvent* ev = m_list.at(i);
if (ev->isMetaEvent() && typeid(*ev) == beatId) {
nearest = static_cast<BeatEvent*>(ev);
break;
}
}
return nearest;
}
int Sequence::lastBar()
{
return m_barCount;
}
static inline bool eventLessThan(const MIDIEvent* s1, const MIDIEvent *s2)
{
return s1->tick() < s2->tick();
}
void Sequence::sort()
{
//qDebug() << Q_FUNC_INFO;
std::stable_sort(m_list.begin(), m_list.end(), eventLessThan);
// Calculate deltas
long lastEventTicks = 0;
foreach(MIDIEvent* ev, m_list) {
ev->setDelta(ev->tick() - lastEventTicks);
lastEventTicks = ev->tick();
//qDebug() << typeid (*ev).name() << ev->tick() << ev->delta();
}
}
void Sequence::clear()
{
//qDebug() << Q_FUNC_INFO;
m_lblName.clear();
m_ticksDuration = 0;
m_division = -1;
m_curTrack = -1;
m_pos = 0;
m_tempo = 500000.0;
m_tick = 0;
m_lastBeat = 0;
m_barCount = 0;
m_beatCount = 0;
m_beatMax = 4;
m_lowestMidiNote = 127;
m_highestMidiNote = 0;
m_curTrack = 0;
m_codec = nullptr;
m_infoMap.clear();
for(int i=0; i<MIDI_STD_CHANNELS; ++i) {
m_channelUsed[i] = false;
m_channelEvents[i] = 0;
m_channelPatches[i] = -1;
m_channelLabel[i].clear();
}
m_trackLabel.clear();
m_trackMap.clear();
m_savedSysexEvents.clear();
m_charset.clear();
m_textEvents.clear();
m_trkScore.clear();
m_typScore.clear();
m_trkName.clear();
m_trkChannel.clear();
m_currentFile.clear();
m_currentFileFull.clear();
while (!m_list.isEmpty()) {
delete m_list.takeFirst();
}
}
bool Sequence::isEmpty()
{
return m_list.isEmpty();
}
void Sequence::loadPattern(QList<MIDIEvent*> pattern)
{
clear();
m_list = pattern;
}
void Sequence::loadFile(const QString& fileName)
{
QFileInfo finfo(fileName);
if (finfo.exists()) {
clear();
try {
uchardet_reset(m_handle);
emit loadingStart(finfo.size());
QString ext = finfo.suffix().toLower();
if (ext == "wrk") {
m_wrk->readFromFile(fileName);
} else if (ext == "rmi") {
m_rmid->readFromFile(fileName);
} else if (ext == "mid" || ext == "midi" || ext == "kar") {
m_smf->readFromFile(fileName);
}
uchardet_data_end(m_handle);
emit loadingFinished();
if (!m_list.isEmpty()) {
sort();
m_lblName = finfo.fileName();
m_currentFile = finfo.fileName();
m_currentFileFull = finfo.absoluteFilePath();
}
m_charset = QByteArray(uchardet_get_charset(m_handle));
findCodec();
} catch (...) {
qWarning() << "corrupted file";
clear();
}
}
}
int Sequence::numUchardetErrors()
{
return m_uchardetErrors;
}
int Sequence::currentMIB() const
{
return m_mib;
}
QByteArray Sequence::currentCharset() const
{
//qDebug() << Q_FUNC_INFO << "Current charset:" << m_charset;
return m_charset;
}
void Sequence::setCurrentCharset(const QByteArray &charset)
{
m_charset = charset;
//qDebug() << Q_FUNC_INFO << "Current charset:" << m_charset;
findCodec();
}
QString Sequence::currentFile() const
{
return m_currentFile;
}
QString Sequence::currentFullFileName() const
{
return m_currentFileFull;
}
int Sequence::getNumTracks() const
{
return m_numTracks;
}
void Sequence::appendStringToList(QStringList &list, QString &s, TextType type)
{
if (type == Text || type >= KarFileType)
s.replace(QRegularExpression("@[IKLTVW]"), "\n");
if (type == Text || type == Lyric)
s.replace(QRegularExpression("[/\\\\]+"), "\n");
s.replace(QRegularExpression("[\r\n]+"), "\n");
s.replace('\0', QChar::Space);
list.append(s);
}
QTextCodec *Sequence::codec() const
{
return m_codec;
}
void Sequence::setCodec(QTextCodec *newCodec)
{
m_codec = newCodec;
m_charset = m_codec->name();
}
QString Sequence::getFileFormat() const
{
return m_fileFormat;
}
QString Sequence::getMetadataInfo() const
{
if (!m_infoMap.empty()) {
QString metadata;
QMap<QString,QString>::const_iterator i;
for(i = m_infoMap.constBegin(); i != m_infoMap.constEnd(); ++i) {
metadata += i.key() + ": <b>" + i.value() + "</b><br/>";
}
return metadata;
}
return QString();
}
QStringList Sequence::getText(const TextType type)
{
QStringList output;
if ( (type >= FIRST_TYPE) && (type <= LAST_TYPE) ) {
foreach(const auto& e, m_textEvents) {
if (e.m_type == type) {
QString s;
if (m_codec == nullptr) {
s = QString::fromLatin1(e.m_text);
} else {
s = m_codec->toUnicode(e.m_text);
}
appendStringToList(output, s, type);
}
}
}
return output;
}
QByteArrayList Sequence::getExtraCodecNames()
{
return m_umibs.keys();
}
int Sequence::getMibForName(const QByteArray name)
{
if (m_umibs.contains(name)) {
return m_umibs[name];
}
return -1;
}
QList<QPair<int,QByteArray>> Sequence::getRawText(const int track, const TextType type)
{
QList<QPair<int,QByteArray>> output;
if ((type < TextType::KarFileType) && !m_textEvents.isEmpty()) {
foreach(const auto &e, m_textEvents) {
if ((track == 0 || e.m_track == track) &&
(type == TextType::None || e.m_type == type))
{
output.append(QPair<int,QByteArray>(e.m_tick, e.m_text));
}
}
}
return output;
}
int Sequence::trackMaxPoints()
{
int k = -1;
auto values = m_trkScore.values();
if (!values.isEmpty()) {
int v = *std::max_element(values.begin(), values.end());
k = m_trkScore.key(v, -1);
}
return k;
}
int Sequence::typeMaxPoints()
{
int k = -1;
auto values = m_typScore.values();
if (!values.isEmpty()) {
int v = *std::max_element(values.begin(), values.end());
k = m_typScore.key(v, -1);
}
return k;
}
QByteArray Sequence::trackName(int track) const
{
return m_trkName.value(track);
}
int Sequence::trackChannel(int track) const
{
//qDebug() << "track:" << track << "channel:" << m_trkChannel.value(track);
return m_trkChannel.value(track);
}
void Sequence::timeCalculations()
{
m_ticks2millis = m_tempo / (1000.0 * m_division * m_tempoFactor);
//qDebug() << Q_FUNC_INFO << "tempo:" << m_tempo << "div:" << m_division << "ticks2millis:" << m_ticks2millis;
}
qreal Sequence::tempoFactor() const
{
return m_tempoFactor;
}
void Sequence::setTempoFactor(const qreal factor)
{
if (m_tempoFactor != factor && factor >= 0.1 && factor <= 10.0) {
//qDebug() << Q_FUNC_INFO << factor;
m_tempoFactor = factor;
timeCalculations();
}
}
MIDIEvent *Sequence::nextEvent()
{
if(m_pos < m_list.count()) {
MIDIEvent* ev = m_list[m_pos++];
return ev;
}
return 0;
}
std::chrono::milliseconds Sequence::deltaTimeOfEvent(MIDIEvent *ev) const
{
return std::chrono::milliseconds(std::lround(ev->delta() * m_ticks2millis));
}
std::chrono::milliseconds Sequence::timeOfTicks(const int ticks) const
{
return std::chrono::milliseconds(std::lround(ticks * m_ticks2millis));
}
bool Sequence::hasMoreEvents()
{
return m_pos < m_list.count();
}
void Sequence::resetPosition()
{
m_pos = 0;
}
void Sequence::setTickPosition(long tick) {
for(int i=0; i<m_list.count(); ++i) {
MIDIEvent* ev = m_list[i];
if (ev->tick() > tick) {
m_pos = i > 0 ? i -1 : 0;
return;
}
}
m_pos = m_list.count() -1 ;
}
void Sequence::setTimePosition(long time) {
long lastTime = 0;
for(int i=0; i<m_list.count(); ++i) {
MIDIEvent* ev = m_list[i];
long deltaTicks = ev->delta();
long deltaMillis = std::lround(m_ticks2millis * deltaTicks);
long eventMillis = lastTime + deltaMillis;
if (eventMillis > time) {
m_pos = i > 0 ? i -1 : 0;
return;
}
lastTime = eventMillis;
}
m_pos = m_list.count() -1 ;
}
qreal Sequence::currentTempo() const
{
return m_tempo / m_tempoFactor;
}
int Sequence::songLengthTicks() const
{
return m_ticksDuration;
}
void Sequence::updateTempo(qreal newTempo)
{
if (m_tempo != newTempo) {
//qDebug() << Q_FUNC_INFO << newTempo;
m_tempo = newTempo;
timeCalculations();
}
}
void Sequence::insertBeats(qint64 ticks)
{
if ((ticks > m_tick) && (m_beatLength > 0)) {
//qDebug() << Q_FUNC_INFO << ticks << m_tick << m_beatLength;
qint64 diff = ticks - m_lastBeat;
while (diff >= m_beatLength) {
MIDIEvent* ev = new BeatEvent(m_barCount, m_beatCount, m_beatMax);
ev->setTick(m_lastBeat);
//qDebug() << "Beat:" << m_lastBeat << m_barCount << m_beatCount;
m_list.append(ev);
m_lastBeat += m_beatLength;
diff -= m_beatLength;
m_beatCount++;
if (m_beatCount > m_beatMax) {
m_beatCount = 1;
m_barCount++;
}
}
m_tick = ticks;
}
}
/* **************************************** *
* SMF (Standard MIDI file) format handling
* **************************************** */
void Sequence::dataHandler(const QString& dataType, const QByteArray& data)
{
if (dataType == "RMID") {
QDataStream ds(data);
m_smf->readFromStream(&ds);
m_fileFormat += tr(" in RIFF container of type %1").arg(dataType);
}
}
void Sequence::infoHandler(const QString &infoType, const QByteArray &data)
{
const QMap<QString,QString> keyMap{
{"IALB", "Album"},
{"IARL", "Archival Location"},
{"IART", "Artist"},
{"ICMS", "Commissioned"},
{"ICMT", "Comments"},
{"ICOP", "Copyright"},
{"ICRD", "Creation date"},
{"IENG", "Engineer"},
{"IGNR", "Genre"},
{"IKEY", "Keywords"},
{"IMED", "Medium"},
{"INAM", "Name"},
{"IPRD", "Product"},
{"ISBJ", "Subject"},
{"ISFT", "Software"},
{"ISRC", "Source"},
{"ISR", "Source Form"},
{"ITCH", "Technician"}};
QString key, value;
if (keyMap.contains(infoType)) {
key = keyMap[infoType];
} else {
key = infoType;
}
if (m_codec == nullptr) {
value = QString::fromLatin1(data);
} else {
value = m_codec->toUnicode(data);
}
m_infoMap[key] = value;
}
void Sequence::smfUpdateLoadProgress()
{
emit loadingProgress(m_smf->getFilePos());
}
void Sequence::appendSMFEvent(MIDIEvent *ev)
{
long ticks = m_smf->getCurrentTime();
ev->setTick(ticks);
ev->setTag(m_curTrack);
m_list.append(ev);
if (ticks > m_ticksDuration) {
m_ticksDuration = ticks;
}
//qDebug() << "tics:" << ticks << "status:" << ev->status();
insertBeats(ticks);
smfUpdateLoadProgress();
}
void Sequence::smfHeaderEvent(int format, int ntrks, int division)
{
m_format = format;
m_numTracks = ntrks;
m_division = division;
m_fileFormat = tr("SMF type %1").arg(format);
m_beatLength = m_division;
m_beatMax = 4;
m_lastBeat = 0;
m_beatCount = 1;
m_barCount = 1;
timeCalculations();
smfUpdateLoadProgress();
}
void Sequence::smfNoteOnEvent(int chan, int pitch, int vol)
{
if (pitch > m_highestMidiNote)
m_highestMidiNote = pitch;
if (pitch < m_lowestMidiNote)
m_lowestMidiNote = pitch;
m_channelUsed[chan] = true;
m_channelEvents[chan]++;
MIDIEvent* ev = new NoteOnEvent (chan, pitch, vol);
appendSMFEvent(ev);
}
void Sequence::smfNoteOffEvent(int chan, int pitch, int vol)
{
if (pitch > m_highestMidiNote)
m_highestMidiNote = pitch;
if (pitch < m_lowestMidiNote)
m_lowestMidiNote = pitch;
m_channelUsed[chan] = true;
m_channelEvents[chan]++;
MIDIEvent* ev = new NoteOffEvent (chan, pitch, vol);
appendSMFEvent(ev);
}
void Sequence::smfKeyPressEvent(int chan, int pitch, int press)
{
m_channelUsed[chan] = true;
m_channelEvents[chan]++;
MIDIEvent* ev = new KeyPressEvent (chan, pitch, press);
appendSMFEvent(ev);
}
void Sequence::smfCtlChangeEvent(int chan, int ctl, int value)
{
m_channelUsed[chan] = true;
m_channelEvents[chan]++;
MIDIEvent* ev = new ControllerEvent (chan, ctl, value);
appendSMFEvent(ev);
}
void Sequence::smfPitchBendEvent(int chan, int value)
{
m_channelUsed[chan] = true;
m_channelEvents[chan]++;
MIDIEvent* ev = new PitchBendEvent (chan, value);
appendSMFEvent(ev);
}
void Sequence::smfProgramEvent(int chan, int patch)
{
m_channelUsed[chan] = true;
m_channelEvents[chan]++;
MIDIEvent* ev = new ProgramChangeEvent (chan, patch);
appendSMFEvent(ev);
//qDebug() << Q_FUNC_INFO << chan << patch;
}
void Sequence::smfChanPressEvent(int chan, int press)
{
m_channelUsed[chan] = true;
m_channelEvents[chan]++;
MIDIEvent* ev = new ChanPressEvent (chan, press);
appendSMFEvent(ev);
}
void Sequence::smfSysexEvent(const QByteArray& data)
{
MIDIEvent* ev = new SysExEvent (data);
appendSMFEvent(ev);
}
void Sequence::addMetaData(int time, int type, const QByteArray& data)
{
//if ((data.length() > 0) && (data[0] == '%'))
//return; // ignored?
int retval = uchardet_handle_data(m_handle, data.data(), data.length());
if (retval == 0)
{
if (m_trkScore.contains(m_curTrack)) {
m_trkScore[m_curTrack]++;
} else {
m_trkScore[m_curTrack] = 1;
}
if (m_typScore.contains(type)) {
m_typScore[type]++;
} else {
m_typScore[type] = 1;
}
TextType t = static_cast<TextType>(type);
if ((data.length() > 1) && (data[0] == '@')) {
switch(data[1]) {
case 'K':
t = KarFileType;
break;
case 'V':
t = KarVersion;
break;
case 'I':
t = KarInformation;
break;
case 'L':
t = KarLanguage;
break;
case 'T':
t = KarTitles;
break;
case 'W':
t = KarWhatever;
break;
}
}
m_textEvents.append(TextRec(time, m_curTrack, t, data));
switch ( t ) {
case Sequence::Lyric:
case Sequence::Text: {
TextEvent *ev = new TextEvent(data, t);
ev->setTag(m_curTrack);
appendSMFEvent(ev);
}
break;
case Sequence::TrackName:
case Sequence::InstrumentName:
if (m_trackLabel.isEmpty()) {
m_trackLabel = data;
}
if (!m_trkName.contains(m_curTrack)) {
m_trkName[m_curTrack] = data;
} else {
m_trkName[m_curTrack].append(' ');
m_trkName[m_curTrack].append(data);
}
break;
default:
break;
}
} else {
m_uchardetErrors++;
qWarning() << "uchardet - handle data error:" << retval;
}
}
void Sequence::smfMetaEvent(int type, const QByteArray& data)
{
if ( (data.length() > 0) &&
(type > Sequence::None) &&
(type <= Sequence::Cue) ) {
addMetaData(m_smf->getCurrentTime(), type, data);
}
}
void Sequence::smfTempoEvent(int tempo)
{
//qDebug() << Q_FUNC_INFO << tempo;
MIDIEvent* ev = new TempoEvent(tempo);
appendSMFEvent(ev);
if (ev->tick() == 0) {
updateTempo(tempo);
}
}
void Sequence::smfTimeSigEvent(int b0, int b1, int b2, int b3)
{
Q_UNUSED(b2)
Q_UNUSED(b3)
//qDebug() << Q_FUNC_INFO << b0 << b1 << b2 << b3;
int den = ::pow(2, b1);
MIDIEvent* ev = new TimeSignatureEvent(b0, den);
ev->setTag( m_barCount );
appendSMFEvent(ev);
m_beatMax = b0;
m_beatLength = m_division * 4 / den;
}
void Sequence::smfKeySig(int alt, int mode)
{
//qDebug() << Q_FUNC_INFO << "track:" << m_curTrack << "alt:" << alt << "mode:" << mode;
MIDIEvent *ev = new KeySignatureEvent(alt, mode == minor_mode);
ev->setTag( m_curTrack );
appendSMFEvent(ev);
}
void Sequence::smfTrackStartEvent()
{
int tick = m_smf->getCurrentTime();
if (tick > m_ticksDuration) {
m_ticksDuration = tick;
}
m_curTrack++;
m_trackLabel.clear();
for(int i=0; i<MIDI_STD_CHANNELS; ++i) {
m_channelEvents[i] = 0;
}
//qDebug() << "starting track:" << m_track << "ticks:" << tick;
smfUpdateLoadProgress();
}
void Sequence::smfTrackEnd()
{
int max = 0;
int chan = -1;
//qDebug() << Q_FUNC_INFO << m_trackLabel;
if (!m_trackLabel.isEmpty()) {
for(int i=0; i<MIDI_STD_CHANNELS; ++i)
if (m_channelEvents[i] > max) {
max = m_channelEvents[i];
chan = i;
}
//qDebug() << Q_FUNC_INFO << m_trackLabel << chan;
if (chan >= 0 && chan < MIDI_STD_CHANNELS) {
m_channelLabel[chan] = m_trackLabel;
m_trkChannel[m_curTrack] = chan;
}
}
smfUpdateLoadProgress();
}
void Sequence::smfErrorHandler(const QString& errorStr)
{
qWarning() << QString("%1 at file offset %2").arg(errorStr).arg(m_smf->getFilePos());
}
/* ********************************* *
* Cakewalk WRK file format handling
* ********************************* */
void Sequence::wrkUpdateLoadProgress()
{
emit loadingProgress(m_wrk->getFilePos());
}
void Sequence::appendWRKEvent(long ticks, MIDIEvent* ev)
{
ev->setTick(ticks);
if (ev->tag() <= 0) {
ev->setTag(m_curTrack);
}
//qDebug() << Q_FUNC_INFO << ticks << ev->tag() << typeid(*ev).name();
m_list.append(ev);
m_ticksDuration = qMax((int)ticks, m_ticksDuration);
insertBeats(ticks);
wrkUpdateLoadProgress();
}
void Sequence::wrkErrorHandler(const QString& errorStr)
{
qWarning() << QString("%1 at file offset %2<br>")
.arg(errorStr).arg(m_wrk->getFilePos());
}
void Sequence::wrkFileHeader(int verh, int verl)
{
m_curTrack = 0;
m_numTracks = 0;
m_division = 120;
m_beatLength = m_division;
m_beatMax = 4;
m_lastBeat = 0;
m_beatCount = 1;
m_barCount = 1;
m_fileFormat = tr("WRK file version v%1.%2").arg(verh).arg(verl);
timeCalculations();
wrkUpdateLoadProgress();
}
void Sequence::wrkTimeBase(int timebase)
{
m_division = timebase;
wrkUpdateLoadProgress();
}
void Sequence::wrkGlobalVars()
{
wrkKeySig(0, m_wrk->getKeySig());
//setLast( m_wrk->getEndAllTime() );
wrkUpdateLoadProgress();
}
void Sequence::wrkStreamEndEvent(long time)
{
if (time > m_ticksDuration) {
m_ticksDuration = time;
}
wrkUpdateLoadProgress();
}