MachineLearningOutput getExhaustiveChordProgression(const std::vector<std::string>& c, unsigned size)
{
std::vector<Chord> chords;
for(auto it : c)
chords.push_back(readChord(it));
std::vector<ChordProgression> distinctChordProgressions = createAllPossibilities(chords, size);
MachineLearningOutput res;
for(auto& it : distinctChordProgressions)
res.push_back(std::make_pair(it, 30));
return res;
}
void ConvertGtp::readTabs()
{
char beat_bitmask, strings, num;
char length, volume, pan, chorus, reverb, phase, tremolo;
int x;
currentStage = string("readTabs");
vector<TabTrack>::iterator trk = song->t.begin();
for (int tr = 0; tr < numTracks; tr++) {
trk->b.resize(numBars);
trk->c.resize(0);
trk++;
}
for (int j = 0; j < numBars; j++) {
for (trk = song->t.begin(); trk != song->t.end(); trk++) {
int numBeats = readDelphiInteger();
//osg::notify(osg::INFO) << "TRACK " << tr << ", BAR " << j << ", numBeats " << numBeats << " (position: " << stream.tellg() << ")\n";
if (numBeats < 0 || (strongChecks && numBeats > 128))
throw string("Track %1, bar %2, insane number of beats: %3");
x = trk->c.size();
trk->c.resize(trk->c.size() + numBeats);
trk->b[j].time1 = bars[j].time1;
trk->b[j].time2 = bars[j].time2;
trk->b[j].keysig = bars[j].keysig;
trk->b[j].start = x;
trk->b[j].notes = numBeats;
trk->b[j].tempo = -1;
trk->b[j].begin = bars[j].begin;
trk->b[j].end = bars[j].end;
for (int k = 0; k < numBeats; k++) {
trk->c[x].flags = 0;
beat_bitmask = readChar(); // beat bitmask
if (beat_bitmask & 0x01) // dotted column
trk->c[x].flags |= FLAG_DOT;
if (beat_bitmask & 0x40) {
num = readChar(); // GREYFIX: pause_kind
}
// Guitar Pro 4 beat lengths are as following:
// -2 = 1 => 480 3-l = 5 2^(3-l)*15
// -1 = 1/2 => 240 4
// 0 = 1/4 => 120 3
// 1 = 1/8 => 60 2
// 2 = 1/16 => 30 ... etc 1
// 3 = 1/32 => 15 0
length = readChar(); // length
//osg::notify(osg::INFO) << "beat_bitmask: " << (int) beat_bitmask << "; length: " << length << "\n";
float len = 1.0f / (1 << (2 + length));
trk->c[x].l = len;
if (beat_bitmask & 0x20) {
int tuple = readDelphiInteger();
//osg::notify(osg::INFO) << "Tuple: " << tuple << "\n"; // GREYFIX: t for tuples
if (!(tuple == 3 || (tuple >= 5 && tuple <= 7) || (tuple >= 9 && tuple <= 13)))
throw string("Insane tuple t: %1");
}
if (beat_bitmask & 0x02) // Chord diagram
{
readChord(trk, x);
}
if (beat_bitmask & 0x04) {
readDelphiString();
}
// GREYFIX: column-wide effects
if (beat_bitmask & 0x08)
{
readColumnEffects(trk, x);
}
if (beat_bitmask & 0x10) { // mixer variations
num = readChar(); // GREYFIX: new MIDI patch
volume = readChar(); // GREYFIX: new
pan = readChar(); // GREYFIX: new
chorus = readChar(); // GREYFIX: new
reverb = readChar(); // GREYFIX: new
phase = readChar(); // GREYFIX: new
tremolo = readChar(); // GREYFIX: new
int tempo = readDelphiInteger(); // GREYFIX: new tempo
trk->b[j].tempo = tempo;
// GREYFIX: transitions
if (volume != -1) num = readChar();
if (pan != -1) num = readChar();
if (chorus != -1) num = readChar();
if (reverb != -1) num = readChar();
if (tremolo != -1) num = readChar();
if (tempo != -1) num = readChar();
if (versionMajor >= 4) {
num = readChar(); // bitmask: what should be applied to all tracks
}
}
strings = readChar(); // used strings mask
for (int y = STRING_MAX_NUMBER - 1; y >= 0; y--) {
trk->c[x].e[y] = 0;
trk->c[x].a[y] = NULL_NOTE;
if (strings & (1 << (y + STRING_MAX_NUMBER - trk->strings)))
readNote(trk, x, y);
}
// Dump column
string tmp = "";
for (int y = 0; y <= trk->strings; y++) {
if (trk->c[x].a[y] == NULL_NOTE) {
tmp += ".";
} else {
tmp += '0' + trk->c[x].a[y];
}
}
//osg::notify(osg::INFO) << "[" << tmp << "]\n";
x++;
}
}
}
}
int GuitarPro5::readBeat(int tick, int voice, Measure* measure, int staffIdx, Tuplet** tuplets, bool /*mixChange*/)
{
uchar beatBits = readUChar();
bool dotted = beatBits & BEAT_DOTTED;
slide = -1;
int track = staffIdx * VOICES + voice;
if (slides.contains(track))
slide = slides.take(track);
int pause = -1;
if (beatBits & BEAT_PAUSE)
pause = readUChar();
// readDuration
int len = readChar();
int tuple = 0;
if (beatBits & BEAT_TUPLET)
tuple = readInt();
Segment* segment = measure->getSegment(Segment::Type::ChordRest, tick);
if (beatBits & BEAT_CHORD) {
int numStrings = score->staff(staffIdx)->part()->instr()->stringData()->strings();
skip(17);
QString name = readPascalString(21);
skip(4);
// no header to be read in the GP5 format - default to true.
readChord(segment, staffIdx * VOICES, numStrings, name, true);
skip(32);
}
Lyrics* lyrics = 0;
if (beatBits & BEAT_LYRICS) {
QString txt = readDelphiString();
lyrics = new Lyrics(score);
lyrics->setText(txt);
}
gpLyrics.beatCounter++;
if (gpLyrics.beatCounter >= gpLyrics.fromBeat && gpLyrics.lyricTrack == staffIdx+1) {
int index = gpLyrics.beatCounter - gpLyrics.fromBeat;
if (index < gpLyrics.lyrics.size()) {
lyrics = new Lyrics(score);
lyrics->setText(gpLyrics.lyrics[index]);
}
}
int beatEffects = 0;
if (beatBits & BEAT_EFFECTS)
beatEffects = readBeatEffects(track, segment);
if (beatBits & BEAT_MIX_CHANGE)
readMixChange(measure);
int strings = readUChar(); // used strings mask
Fraction l = len2fraction(len);
// Some beat effects could add a Chord before this
ChordRest* cr = segment->cr(track);
if (voice != 0 && pause == 0 && strings == 0)
cr = 0;
else {
if (strings == 0) {
if (cr) {
segment->remove(cr);
delete cr;
cr = 0;
}
cr = new Rest(score);
}
else {
if (!cr)
cr = new Chord(score);
}
cr->setTrack(track);
TDuration d(l);
d.setDots(dotted ? 1 : 0);
if (dotted)
l = l + (l/2);
if (tuple) {
Tuplet* tuplet = tuplets[staffIdx * 2 + voice];
if ((tuplet == 0) || (tuplet->elementsDuration() == tuplet->baseLen().fraction() * tuplet->ratio().numerator())) {
tuplet = new Tuplet(score);
// int track = staffIdx * 2 + voice;
tuplets[staffIdx * 2 + voice] = tuplet;
tuplet->setTrack(cr->track());
setTuplet(tuplet, tuple);
tuplet->setParent(measure);
}
tuplet->setTrack(cr->track());
tuplet->setBaseLen(l);
tuplet->setDuration(l * tuplet->ratio().denominator());
cr->setTuplet(tuplet);
tuplet->add(cr);
}
cr->setDuration(l);
if (cr->type() == Element::Type::REST && (pause == 0 || l == measure->len()))
cr->setDurationType(TDuration::DurationType::V_MEASURE);
else
cr->setDurationType(d);
if(!segment->cr(track))
segment->add(cr);
Staff* staff = cr->staff();
int numStrings = staff->part()->instr()->stringData()->strings();
bool hasSlur = false;
for (int i = 6; i >= 0; --i) {
if (strings & (1 << i) && ((6-i) < numStrings)) {
Note* note = new Note(score);
if (dotted) {
// there is at most one dotted note in this guitar pro version
NoteDot* dot = new NoteDot(score);
dot->setIdx(0);
dot->setParent(note);
dot->setTrack(track); // needed to know the staff it belongs to (and detect tablature)
dot->setVisible(true);
note->add(dot);
}
static_cast<Chord*>(cr)->add(note);
hasSlur = readNote(6-i, note);
note->setTpcFromPitch();
}
}
createSlur(hasSlur, staffIdx, cr);
if (lyrics)
cr->add(lyrics);
}
int rr = readChar();
if (cr && (cr->type() == Element::Type::CHORD)) {
Chord* chord = static_cast<Chord*>(cr);
applyBeatEffects(chord, beatEffects);
if (rr == ARPEGGIO_DOWN)
chord->setStemDirection(MScore::Direction::DOWN);
else if (rr == ARPEGGIO_UP)
chord->setStemDirection(MScore::Direction::UP);
}
int r = readChar();
if (r & 0x8) {
int rrr = readChar();
qDebug(" 3beat read 0x%02x", rrr);
}
if (cr && (cr->type() == Element::Type::CHORD) && slide > 0)
createSlide(slide, cr, staffIdx);
restsForEmptyBeats(segment, measure, cr, l, track, tick);
return cr ? cr->actualTicks() : measure->ticks();
}
