QString
TimeInstantLayer::getFeatureDescription(View *v, QPoint &pos) const
{
int x = pos.x();
if (!m_model || !m_model->getSampleRate()) return "";
SparseOneDimensionalModel::PointList points = getLocalPoints(v, x);
if (points.empty()) {
if (!m_model->isReady()) {
return tr("In progress");
} else {
return tr("No local points");
}
}
long useFrame = points.begin()->frame;
RealTime rt = RealTime::frame2RealTime(useFrame, m_model->getSampleRate());
QString text;
if (points.begin()->label == "") {
text = QString(tr("Time:\t%1\nNo label"))
.arg(rt.toText(true).c_str());
} else {
text = QString(tr("Time:\t%1\nLabel:\t%2"))
.arg(rt.toText(true).c_str())
.arg(points.begin()->label);
}
pos = QPoint(v->getXForFrame(useFrame), pos.y());
return text;
}
bool RealTime::operator >(const RealTime &t) const {
if (GetSec() > t.GetSec())
return true;
if (GetSec() == t.GetSec() && GetUsec() > t.GetUsec())
return true;
return false;
}
RealTime RealTime::operator +(const RealTime &t) const {
if (GetUsec() + t.GetUsec() >= ONE_MILLION) {
return RealTime(GetSec() + t.GetSec() + 1, GetUsec() + t.GetUsec()
- ONE_MILLION);
} else {
return RealTime(GetSec() + t.GetSec(), GetUsec() + t.GetUsec());
}
}
void
printFeatures(int frame, int sr, int output,
Plugin::FeatureSet features, ofstream *out, bool useFrames)
{
for (unsigned int i = 0; i < features[output].size(); ++i) {
if (useFrames) {
int displayFrame = frame;
if (features[output][i].hasTimestamp) {
displayFrame = RealTime::realTime2Frame
(features[output][i].timestamp, sr);
}
(out ? *out : cout) << displayFrame;
if (features[output][i].hasDuration) {
displayFrame = RealTime::realTime2Frame
(features[output][i].duration, sr);
(out ? *out : cout) << "," << displayFrame;
}
(out ? *out : cout) << ":";
} else {
RealTime rt = RealTime::frame2RealTime(frame, sr);
if (features[output][i].hasTimestamp) {
rt = features[output][i].timestamp;
}
(out ? *out : cout) << rt.toString();
if (features[output][i].hasDuration) {
rt = features[output][i].duration;
(out ? *out : cout) << "," << rt.toString();
}
(out ? *out : cout) << ":";
}
for (unsigned int j = 0; j < features[output][i].values.size(); ++j) {
(out ? *out : cout) << " " << features[output][i].values[j];
}
(out ? *out : cout) << " " << features[output][i].label;
(out ? *out : cout) << endl;
}
}
static Vamp::Plugin::Feature
snappedCurveValue(RealTime r, RealTime sn, int i, int n)
{
stringstream s;
Vamp::Plugin::Feature f;
f.hasTimestamp = true;
f.timestamp = r;
f.hasDuration = false;
float v = float(i) / float(n);
f.values.push_back(v);
s << i+1 << " of " << n << ": " << v << " at " << r.toText() << " snap to " << sn.toText();
f.label = s.str();
return f;
}
static Vamp::Plugin::Feature
noteOrRegion(RealTime r, RealTime d, int i, int n)
{
stringstream s;
Vamp::Plugin::Feature f;
f.hasTimestamp = true;
f.timestamp = r;
f.hasDuration = true;
f.duration = d;
float v = float(i) / float(n);
f.values.push_back(v);
s << i+1 << " of " << n << ": " << v << " at " << r.toText() << " dur. " << d.toText();
f.label = s.str();
return f;
}
long long
RealTime::realTime2Frame(const RealTime &time, unsigned int sr)
{
if (time < zeroTime) return -realTime2Frame(-time, sr);
long long sampleRate = sr;
// We like integers. The last term is always zero unless the
// sample rate is greater than 1MHz, but hell, you never know...
long frame =
time.sec * sampleRate +
(time.msec() * sampleRate) / 1000 +
((time.usec() - 1000 * time.msec()) * sampleRate) / 1000000 +
((time.nsec - 1000 * time.usec()) * sampleRate) / 1000000000;
return frame;
}
void
SoundDriver::sleep(const RealTime &rt)
{
// The usleep man page says it's deprecated and we should use
// nanosleep. And that's what we did. But it seems quite a few
// people don't have nanosleep, so we're reverting to usleep.
unsigned long usec = rt.sec * 1000000 + rt.usec();
usleep(usec);
}
static Vamp::Plugin::Feature
instant(RealTime r, int i, int n)
{
stringstream s;
Vamp::Plugin::Feature f;
f.hasTimestamp = true;
f.timestamp = r;
f.hasDuration = false;
s << i+1 << " of " << n << " at " << r.toText();
f.label = s.str();
return f;
}
static Vamp::Plugin::Feature
gridColumn(RealTime r, int i, int n)
{
stringstream s;
Vamp::Plugin::Feature f;
f.hasTimestamp = false;
f.hasDuration = false;
for (int j = 0; j < 10; ++j) {
float v = float(j + i + 2) / float(n + 10);
f.values.push_back(v);
}
s << i+1 << " of " << n << " at " << r.toText();
f.label = s.str();
return f;
}
// scan on from a descriptor position
bool
RIFFAudioFile::scanForward(std::ifstream *file, const RealTime &time)
{
// sanity
if (file == 0)
return false;
unsigned int totalSamples = m_sampleRate * time.sec +
( ( m_sampleRate * time.usec() ) / 1000000 );
unsigned int totalBytes = totalSamples * m_bytesPerFrame;
m_loseBuffer = true;
// do the seek
file->seekg(totalBytes, std::ios::cur);
if (file->eof())
return false;
return true;
}
void
CreateTempoMapFromSegmentCommand::initialise(Segment *s)
{
m_oldTempi.clear();
m_newTempi.clear();
//!!! need an additional option: per-chord, per-beat, per-bar.
// Let's work per-beat for the moment. Even for this, we should
// probably use TimeSignature.getDivisions()
std::vector<timeT> beatTimeTs;
std::vector<RealTime> beatRealTimes;
int startBar = m_composition->getBarNumber(s->getStartTime());
int barNo = startBar;
int beat = 0;
for (Segment::iterator i = s->begin(); s->isBeforeEndMarker(i); ++i) {
if ((*i)->isa(Note::EventType)) {
bool isNew;
TimeSignature sig =
m_composition->getTimeSignatureInBar(barNo, isNew);
beatTimeTs.push_back(m_composition->getBarStart(barNo) +
beat * sig.getBeatDuration());
if (++beat >= sig.getBeatsPerBar()) {
++barNo;
beat = 0;
}
beatRealTimes.push_back(s->getComposition()->getElapsedRealTime
((*i)->getAbsoluteTime()));
}
}
if (beatTimeTs.size() < 2)
return ;
tempoT prevTempo = 0;
// set up m_oldTempi and prevTempo
for (int i = m_composition->getTempoChangeNumberAt(*beatTimeTs.begin() - 1) + 1;
i <= m_composition->getTempoChangeNumberAt(*beatTimeTs.end() - 1); ++i) {
std::pair<timeT, tempoT> tempoChange =
m_composition->getTempoChange(i);
m_oldTempi[tempoChange.first] = tempoChange.second;
if (prevTempo == 0)
prevTempo = tempoChange.second;
}
RG_DEBUG << "starting tempo: " << prevTempo << endl;
timeT quarter = Note(Note::Crotchet).getDuration();
for (size_t beat = 1; beat < beatTimeTs.size(); ++beat) {
timeT beatTime = beatTimeTs[beat] - beatTimeTs[beat - 1];
RealTime beatRealTime = beatRealTimes[beat] - beatRealTimes[beat - 1];
// Calculate tempo to nearest qpm.
// This is 60 / {quarter note duration in seconds}
// = 60 / ( {beat in seconds} * {quarter in ticks} / { beat in ticks} )
// = ( 60 * {beat in ticks} ) / ( {beat in seconds} * {quarter in ticks} )
// Precision is deliberately limited to qpm to avoid silly values.
double beatSec = double(beatRealTime.sec) +
double(beatRealTime.usec() / 1000000.0);
double qpm = (60.0 * beatTime) / (beatSec * quarter);
tempoT tempo = Composition::getTempoForQpm(int(qpm + 0.001));
RG_DEBUG << "prev beat: " << beatTimeTs[beat] << ", prev beat real time " << beatRealTimes[beat] << endl;
RG_DEBUG << "time " << beatTime << ", rt " << beatRealTime << ", beatSec " << beatSec << ", tempo " << tempo << endl;
if (tempo != prevTempo) {
m_newTempi[beatTimeTs[beat - 1]] = tempo;
prevTempo = tempo;
}
}
}
int SegmentMover::mouseMoveEvent(QMouseEvent *e)
{
// No need to propagate.
e->accept();
// If we aren't moving anything, bail.
if (!getChangingSegment())
return RosegardenScrollView::NoFollow;
QPoint pos = m_canvas->viewportToContents(e->pos());
setSnapTime(e, SnapGrid::SnapToBeat);
// If shift isn't being held down
if ((e->modifiers() & Qt::ShiftModifier) == 0) {
setContextHelp(tr("Hold Shift to avoid snapping to beat grid"));
} else {
clearContextHelp();
}
const SnapGrid &grid = m_canvas->grid();
// Compute how far we've moved vertically.
const int startTrackPos = grid.getYBin(m_clickPoint.y());
const int currentTrackPos = grid.getYBin(pos.y());
const int deltaTrack = currentTrackPos - startTrackPos;
const int dx = pos.x() - m_clickPoint.x();
Composition &comp = m_doc->getComposition();
CompositionModelImpl::ChangingSegmentSet &changingSegments =
m_canvas->getModel()->getChangingSegments();
// For each changing segment, move it
for (CompositionModelImpl::ChangingSegmentSet::iterator it =
changingSegments.begin();
it != changingSegments.end();
++it) {
ChangingSegmentPtr changingSegment = *it;
const timeT newStartTime = grid.snapX(changingSegment->savedRect().x() + dx);
const int newX = int(grid.getRulerScale()->getXForTime(newStartTime));
int trackPos = grid.getYBin(changingSegment->savedRect().y()) + deltaTrack;
if (trackPos < 0)
trackPos = 0;
if (trackPos >= (int)comp.getNbTracks())
trackPos = comp.getNbTracks() - 1;
const int newY = grid.getYBinCoordinate(trackPos);
changingSegment->moveTo(newX, newY);
m_changeMade = true;
}
if (m_changeMade) {
// Make sure the segments are redrawn.
m_canvas->slotUpdateAll();
}
// Draw the guides
int guideX = getChangingSegment()->rect().x();
int guideY = getChangingSegment()->rect().y();
m_canvas->drawGuides(guideX, guideY);
// Format and draw the text float
timeT guideTime = grid.snapX(guideX);
RealTime time = comp.getElapsedRealTime(guideTime);
int bar, beat, fraction, remainder;
comp.getMusicalTimeForAbsoluteTime(guideTime, bar, beat, fraction, remainder);
QString timeString = QString("%1.%2s (%3, %4, %5)")
.arg(time.sec).arg(time.msec(), 3, 10, QChar('0'))
.arg(bar + 1).arg(beat).arg(fraction);
m_canvas->drawTextFloat(guideX + 10, guideY - 30, timeString);
m_canvas->update();
return RosegardenScrollView::FollowHorizontal |
RosegardenScrollView::FollowVertical;
}
JNIEXPORT jint JNICALL
Java_org_vamp_1plugins_RealTime_msec(JNIEnv *env, jobject obj)
{
RealTime rt = getRealTime(env, obj);
return rt.msec();
}
int
SegmentSelector::mouseMoveEvent(QMouseEvent *e)
{
// No need to propagate.
e->accept();
QPoint pos = m_canvas->viewportToContents(e->pos());
m_lastMousePos = pos;
// If no buttons are pressed, update the context help and bail.
// Note: Mouse tracking must be on for this to work. See
// QWidget::setMouseTracking().
if (e->buttons() == Qt::NoButton) {
setContextHelpFor(pos, e->modifiers());
return RosegardenScrollView::NoFollow;
}
// If another tool has taken over, delegate.
if (m_dispatchTool)
return m_dispatchTool->mouseMoveEvent(e);
// We only handle the left button. The middle button is handled by
// the dispatch tool (segment pencil) or ignored.
if (e->buttons() != Qt::LeftButton)
return RosegardenScrollView::NoFollow;
// If we aren't moving anything, rubber band.
if (!getChangingSegment()) {
m_canvas->drawSelectionRectPos2(pos);
m_canvas->getModel()->selectionHasChanged();
return RosegardenScrollView::FollowHorizontal |
RosegardenScrollView::FollowVertical;
}
// Moving
// If the segment that was clicked on isn't selected, bail.
if (!m_canvas->getModel()->isSelected(getChangingSegment()->getSegment()))
return RosegardenScrollView::NoFollow;
const int dx = pos.x() - m_clickPoint.x();
const int dy = pos.y() - m_clickPoint.y();
const int inertiaDistance = 8;
// If we've not already exceeded the inertia distance, and we
// still haven't, bail.
if (!m_passedInertiaEdge &&
abs(dx) < inertiaDistance &&
abs(dy) < inertiaDistance) {
return RosegardenScrollView::NoFollow;
}
m_passedInertiaEdge = true;
m_canvas->viewport()->setCursor(Qt::SizeAllCursor);
#if 0
// ??? Moving to mouseReleaseEvent().
if (m_segmentCopyMode && !m_segmentQuickCopyDone) {
// Make copies of the original Segment(s). These copies will
// take the place of the originals as the user drags the
// the originals to a new location.
MacroCommand *macroCommand = 0;
if (m_segmentCopyingAsLink) {
macroCommand = new MacroCommand(
SegmentQuickLinkCommand::getGlobalName());
} else {
macroCommand = new MacroCommand(
SegmentQuickCopyCommand::getGlobalName());
}
SegmentSelection selectedItems = m_canvas->getSelectedSegments();
// for each selected segment
for (SegmentSelection::iterator it = selectedItems.begin();
it != selectedItems.end();
++it) {
Segment *segment = *it;
Command *command = 0;
if (m_segmentCopyingAsLink) {
command = new SegmentQuickLinkCommand(segment);
} else {
// if it's a link, copy as link
if (segment->isTrulyLinked())
command = new SegmentQuickLinkCommand(segment);
else // copy as a non-link segment
command = new SegmentQuickCopyCommand(segment);
}
macroCommand->addCommand(command);
}
CommandHistory::getInstance()->addCommand(macroCommand);
m_canvas->update();
// Make sure we don't do it again.
m_segmentQuickCopyDone = true;
}
#endif
setSnapTime(e, SnapGrid::SnapToBeat);
// start move on selected items only once
if (!m_selectionMoveStarted) {
m_selectionMoveStarted = true;
m_canvas->getModel()->startChangeSelection(
m_segmentCopyMode ? CompositionModelImpl::ChangeCopy :
CompositionModelImpl::ChangeMove);
// The call to startChangeSelection() generates a new changing segment.
// Get it.
ChangingSegmentPtr newChangingSegment =
m_canvas->getModel()->findChangingSegment(
getChangingSegment()->getSegment());
if (newChangingSegment) {
// Toss the local "changing" segment since it isn't going to
// be moving at all. Swap it for the same changing segment in
// CompositionModelImpl. That one *will* be moving and can be
// used to drive the guides.
setChangingSegment(newChangingSegment);
}
}
// Display help for the Shift key.
setContextHelpFor(pos, e->modifiers());
Composition &comp = m_doc->getComposition();
const int startDragTrackPos = m_canvas->grid().getYBin(m_clickPoint.y());
const int currentTrackPos = m_canvas->grid().getYBin(pos.y());
const int trackDiff = currentTrackPos - startDragTrackPos;
CompositionModelImpl::ChangingSegmentSet &changingSegments =
m_canvas->getModel()->getChangingSegments();
// For each changing segment
for (CompositionModelImpl::ChangingSegmentSet::iterator it =
changingSegments.begin();
it != changingSegments.end();
++it) {
ChangingSegmentPtr changingSegment = *it;
const timeT newStartTime = m_canvas->grid().snapX(
changingSegment->savedRect().x() + dx);
const int newX = lround(
m_canvas->grid().getRulerScale()->getXForTime(newStartTime));
int newTrackPos = m_canvas->grid().getYBin(
changingSegment->savedRect().y()) + trackDiff;
// Limit to [0, comp.getNbTracks()-1].
if (newTrackPos < 0)
newTrackPos = 0;
if (newTrackPos > static_cast<int>(comp.getNbTracks()) - 1)
newTrackPos = comp.getNbTracks() - 1;
const int newY = m_canvas->grid().getYBinCoordinate(newTrackPos);
changingSegment->moveTo(newX, newY);
m_changeMade = true;
}
if (m_changeMade) {
// Make sure the segments are redrawn.
// Note: The update() call below doesn't cause the segments to be
// redrawn. It just updates from the cache.
m_canvas->slotUpdateAll();
}
// Guides
const int guideX = getChangingSegment()->rect().x();
const int guideY = getChangingSegment()->rect().y();
m_canvas->drawGuides(guideX, guideY);
// Text Float
const timeT guideTime = m_canvas->grid().snapX(guideX);
RealTime time = comp.getElapsedRealTime(guideTime);
QString msecs;
msecs.sprintf("%03d", time.msec());
int bar;
int beat;
int fraction;
int remainder;
comp.getMusicalTimeForAbsoluteTime(guideTime, bar, beat, fraction, remainder);
QString posString = QString("%1.%2s (%3, %4, %5)").
arg(time.sec).arg(msecs).arg(bar + 1).arg(beat).arg(fraction);
m_canvas->drawTextFloat(guideX + 10, guideY - 30, posString);
m_canvas->update();
return RosegardenScrollView::FollowHorizontal |
RosegardenScrollView::FollowVertical;
}
void
printFeatures(int frame, int sr,
const Plugin::OutputDescriptor &output, int outputNo,
const Plugin::FeatureSet &features, ofstream *out, bool useFrames)
{
static int featureCount = -1;
if (features.find(outputNo) == features.end()) return;
for (size_t i = 0; i < features.at(outputNo).size(); ++i) {
const Plugin::Feature &f = features.at(outputNo).at(i);
bool haveRt = false;
RealTime rt;
if (output.sampleType == Plugin::OutputDescriptor::VariableSampleRate) {
rt = f.timestamp;
haveRt = true;
} else if (output.sampleType == Plugin::OutputDescriptor::FixedSampleRate) {
int n = featureCount + 1;
if (f.hasTimestamp) {
n = int(round(toSeconds(f.timestamp) * output.sampleRate));
}
rt = RealTime::fromSeconds(double(n) / output.sampleRate);
haveRt = true;
featureCount = n;
}
if (useFrames) {
int displayFrame = frame;
if (haveRt) {
displayFrame = RealTime::realTime2Frame(rt, sr);
}
(out ? *out : cout) << displayFrame;
if (f.hasDuration) {
displayFrame = RealTime::realTime2Frame(f.duration, sr);
(out ? *out : cout) << "," << displayFrame;
}
(out ? *out : cout) << ":";
} else {
if (!haveRt) {
rt = RealTime::frame2RealTime(frame, sr);
}
(out ? *out : cout) << rt.toString();
if (f.hasDuration) {
rt = f.duration;
(out ? *out : cout) << "," << rt.toString();
}
(out ? *out : cout) << ":";
}
for (unsigned int j = 0; j < f.values.size(); ++j) {
(out ? *out : cout) << " " << f.values[j];
}
(out ? *out : cout) << " " << f.label;
(out ? *out : cout) << endl;
}
}
JNIEXPORT jstring JNICALL
Java_org_vamp_1plugins_RealTime_toText(JNIEnv *env, jobject obj)
{
RealTime rt = getRealTime(env, obj);
return env->NewStringUTF(rt.toText().c_str());
}
void
TempoDialog::populateTempo()
{
Composition &comp = m_doc->getComposition();
tempoT tempo = comp.getTempoAtTime(m_tempoTime);
std::pair<bool, tempoT> ramping(false, tempo);
int tempoChangeNo = comp.getTempoChangeNumberAt(m_tempoTime);
if (tempoChangeNo >= 0) {
tempo = comp.getTempoChange(tempoChangeNo).second;
ramping = comp.getTempoRamping(tempoChangeNo, false);
}
m_tempoValueSpinBox->setValue(comp.getTempoQpm(tempo));
if (ramping.first) {
if (ramping.second) {
m_tempoTargetSpinBox->setEnabled(true);
m_tempoTargetSpinBox->setValue(comp.getTempoQpm(ramping.second));
m_tempoConstant->setChecked(false);
m_tempoRampToNext->setChecked(false);
m_tempoRampToTarget->setChecked(true);
} else {
ramping = comp.getTempoRamping(tempoChangeNo, true);
m_tempoTargetSpinBox->setEnabled(false);
m_tempoTargetSpinBox->setValue(comp.getTempoQpm(ramping.second));
m_tempoConstant->setChecked(false);
m_tempoRampToNext->setChecked(true);
m_tempoRampToTarget->setChecked(false);
}
} else {
m_tempoTargetSpinBox->setEnabled(false);
m_tempoTargetSpinBox->setValue(comp.getTempoQpm(tempo));
m_tempoConstant->setChecked(true);
m_tempoRampToNext->setChecked(false);
m_tempoRampToTarget->setChecked(false);
}
// m_tempoTargetCheckBox->setChecked(ramping.first);
m_tempoTargetSpinBox->setEnabled(ramping.first);
updateBeatLabels(comp.getTempoQpm(tempo));
if (m_timeEditor) {
m_timeEditor->slotSetTime(m_tempoTime);
return ;
}
RealTime tempoTime = comp.getElapsedRealTime(m_tempoTime);
QString milliSeconds;
milliSeconds.sprintf("%03d", tempoTime.msec());
m_tempoTimeLabel->setText(tr("%1.%2 s,").arg(tempoTime.sec)
.arg(milliSeconds));
int barNo = comp.getBarNumber(m_tempoTime);
if (comp.getBarStart(barNo) == m_tempoTime) {
m_tempoBarLabel->setText
(tr("at the start of measure %1.").arg(barNo + 1));
m_tempoChangeStartOfBar->setEnabled(false);
} else {
m_tempoBarLabel->setText(
tr("in the middle of measure %1.").arg(barNo + 1));
m_tempoChangeStartOfBar->setEnabled(true);
}
m_tempoChangeBefore->setEnabled(false);
m_tempoChangeBeforeAt->setEnabled(false);
bool havePrecedingTempo = false;
if (tempoChangeNo >= 0) {
timeT lastTempoTime = comp.getTempoChange(tempoChangeNo).first;
if (lastTempoTime < m_tempoTime) {
RealTime lastRT = comp.getElapsedRealTime(lastTempoTime);
QString lastms;
lastms.sprintf("%03d", lastRT.msec());
int lastBar = comp.getBarNumber(lastTempoTime);
m_tempoChangeBeforeAt->setText
(tr(" (at %1.%2 s, in measure %3)").arg(lastRT.sec)
.arg(lastms).arg(lastBar + 1));
m_tempoChangeBeforeAt->show();
m_tempoChangeBefore->setEnabled(true);
m_tempoChangeBeforeAt->setEnabled(true);
havePrecedingTempo = true;
}
}
if (comp.getTempoChangeCount() > 0) {
if (havePrecedingTempo) {
m_tempoStatusLabel->hide();
} else {
m_tempoStatusLabel->setText
(tr("There are no preceding tempo changes."));
}
m_tempoChangeGlobal->setEnabled(true);
} else {
m_tempoStatusLabel->setText
(tr("There are no other tempo changes."));
m_tempoChangeGlobal->setEnabled(false);
}
m_defaultBox->setEnabled(false);
}
int RealTime::operator -(const RealTime &t) const {
return (GetSec() - t.GetSec()) * 1000 + int((GetUsec() - t.GetUsec())
/ 1000.0);
}
long RealTime::Sub(const RealTime &t) {
return (GetSec() - t.GetSec()) * 1000000 + GetUsec() - t.GetUsec();
}
