void LLAudioSource::update()
{
if(mCorrupted)
{
return ; //no need to update
}
//if (!getCurrentBuffer()) // Same as !adp->getBuffer()
{
LLAudioData *adp = getCurrentData();
if (adp && !adp->getBuffer())
{
// Hack - try and load the sound. Will do this as a callback
// on decode later.
if (adp->load())
{
play(adp->getID());
}
else if (adp->hasCompletedDecode()) // Only mark corrupted after decode is done
{
LL_WARNS("AudioEngine") << "Marking LLAudioSource corrupted for " << adp->getID() << llendl;
mCorrupted = true ;
}
}
}
}
void LLAudioSource::update()
{
if(mCorrupted)
{
return ; //no need to update
}
if (!getCurrentBuffer())
{
if (getCurrentData())
{
// Hack - try and load the sound. Will do this as a callback
// on decode later.
if (getCurrentData()->load() && getCurrentData()->getBuffer())
{
play(getCurrentData()->getID());
}
else
{
mCorrupted = true ;
}
}
}
}
int SpeedPlotView::maxYValue()
{
boost::circular_buffer<PointData> &queue = getCurrentData();
int maxYValue = 0;
for (int id = UP; id < NB_GRAPHS; ++id) {
if (!m_properties[static_cast<GraphID>(id)].enable)
continue;
for (int i = int(queue.size()) - 1, j = 0; i >= 0 && j <= m_viewablePointsCount; --i, ++j)
if (queue[i].y[id] > maxYValue)
maxYValue = queue[i].y[id];
}
return maxYValue;
}
void LLAudioSource::update()
{
if(mCorrupted)
{
return ; //no need to update
}
// If data is queued up and we aren't playing it, shuffle it to current and try to load it.
if(isQueueSounds() && mPlayedOnce && mQueuedDatap && !mChannelp)
{
mCurrentDatap = mQueuedDatap;
mQueuedDatap = NULL;
//Make sure this source looks like its brand new again to prevent removal.
mPlayedOnce = false;
mAgeTimer.reset();
}
LLAudioData *adp = getCurrentData();
if (adp && !adp->getBuffer())
{
if(adp->getLoadState() == LLAudioData::STATE_LOAD_ERROR)
{
LL_WARNS("AudioEngine") << "Marking LLAudioSource corrupted for " << adp->getID() << LL_ENDL;
mCorrupted = true ;
}
else if(adp->getLoadState() == LLAudioData::STATE_LOAD_READY)
{
// Update the audio buffer first - load a sound if we have it.
// Note that this could potentially cause us to waste time updating buffers
// for sounds that actually aren't playing, although this should be mitigated
// by the fact that we limit the number of buffers, and we flush buffers based
// on priority.
adp->load(); //If it fails, just try again next update.
}
else
{
//The sound wasn't preloaded yet... so we must kick off the process.
adp->updateLoadState();
}
}
}
bool LLAudioSource::setupChannel()
{
LLAudioData *adp = getCurrentData();
if (!adp->getBuffer())
{
// We're not ready to play back the sound yet, so don't try and allocate a channel for it.
//LL_WARNS() << "Aborting, no buffer" << LL_ENDL;
return false;
}
if (!gAudiop)
{
LL_WARNS("AudioEngine") << "LLAudioEngine instance doesn't exist!" << LL_ENDL;
return false;
}
if (!mChannelp)
{
// Update the priority, in case we need to push out another channel.
updatePriority();
setChannel(gAudiop->getFreeChannel(getPriority()));
}
if (!mChannelp)
{
// Ugh, we don't have any free channels.
// Now we have to reprioritize.
// For now, just don't play the sound.
//LL_WARNS() << "Aborting, no free channels" << LL_ENDL;
return false;
}
mChannelp->setSource(this);
return true;
}
void SpeedPlotView::paintEvent(QPaintEvent *)
{
QPainter painter(viewport());
QRect fullRect = viewport()->rect();
QRect rect = viewport()->rect();
QFontMetrics fontMetrics = painter.fontMetrics();
rect.adjust(4, 4, 0, -4); // Add padding
int maxY = maxYValue();
rect.adjust(0, fontMetrics.height(), 0, 0); // Add top padding for top speed text
// draw Y axis speed labels
QVector<QString> speedLabels = {
Utils::Misc::friendlyUnit(maxY, true),
Utils::Misc::friendlyUnit(0.75 * maxY, true),
Utils::Misc::friendlyUnit(0.5 * maxY, true),
Utils::Misc::friendlyUnit(0.25 * maxY, true),
Utils::Misc::friendlyUnit(0, true)
};
int yAxeWidth = 0;
for (const QString &label : speedLabels)
if (fontMetrics.width(label) > yAxeWidth)
yAxeWidth = fontMetrics.width(label);
int i = 0;
for (const QString &label : speedLabels) {
QRectF labelRect(rect.topLeft() + QPointF(-yAxeWidth, (i++) * 0.25 * rect.height() - fontMetrics.height()),
QSizeF(2 * yAxeWidth, fontMetrics.height()));
painter.drawText(labelRect, label, Qt::AlignRight | Qt::AlignTop);
}
// draw grid lines
rect.adjust(yAxeWidth + 4, 0, 0, 0);
QPen gridPen;
gridPen.setStyle(Qt::DashLine);
gridPen.setWidthF(1);
gridPen.setColor(QColor(128, 128, 128, 128));
painter.setPen(gridPen);
painter.drawLine(fullRect.left(), rect.top(), rect.right(), rect.top());
painter.drawLine(fullRect.left(), rect.top() + 0.25 * rect.height(), rect.right(), rect.top() + 0.25 * rect.height());
painter.drawLine(fullRect.left(), rect.top() + 0.50 * rect.height(), rect.right(), rect.top() + 0.50 * rect.height());
painter.drawLine(fullRect.left(), rect.top() + 0.75 * rect.height(), rect.right(), rect.top() + 0.75 * rect.height());
painter.drawLine(fullRect.left(), rect.bottom(), rect.right(), rect.bottom());
painter.drawLine(rect.left(), fullRect.top(), rect.left(), fullRect.bottom());
painter.drawLine(rect.left() + 0.2 * rect.width(), fullRect.top(), rect.left() + 0.2 * rect.width(), fullRect.bottom());
painter.drawLine(rect.left() + 0.4 * rect.width(), fullRect.top(), rect.left() + 0.4 * rect.width(), fullRect.bottom());
painter.drawLine(rect.left() + 0.6 * rect.width(), fullRect.top(), rect.left() + 0.6 * rect.width(), fullRect.bottom());
painter.drawLine(rect.left() + 0.8 * rect.width(), fullRect.top(), rect.left() + 0.8 * rect.width(), fullRect.bottom());
// Set antialiasing for graphs
painter.setRenderHints(QPainter::Antialiasing | QPainter::HighQualityAntialiasing);
// draw graphs
rect.adjust(3, 0, 0, 0); // Need, else graphs cross left gridline
double yMultiplier = (maxY == 0) ? 0.0 : static_cast<double>(rect.height()) / maxY;
double xTickSize = static_cast<double>(rect.width()) / m_viewablePointsCount;
boost::circular_buffer<PointData> &queue = getCurrentData();
for (int id = UP; id < NB_GRAPHS; ++id) {
if (!m_properties[static_cast<GraphID>(id)].enable)
continue;
QVector<QPoint> points;
for (int i = int(queue.size()) - 1, j = 0; i >= 0 && j <= m_viewablePointsCount; --i, ++j) {
int new_x = rect.right() - j * xTickSize;
int new_y = rect.bottom() - queue[i].y[id] * yMultiplier;
points.push_back(QPoint(new_x, new_y));
}
painter.setPen(m_properties[static_cast<GraphID>(id)].pen);
painter.drawPolyline(points.data(), points.size());
}
// draw legend
QPoint legendTopLeft(rect.left() + 4, fullRect.top() + 4);
double legendHeight = 0;
int legendWidth = 0;
for (const auto &property : m_properties) {
if (!property.enable)
continue;
if (fontMetrics.width(property.name) > legendWidth)
legendWidth = fontMetrics.width(property.name);
legendHeight += 1.5 * fontMetrics.height();
}
QRectF legendBackgroundRect(QPoint(legendTopLeft.x() - 4, legendTopLeft.y() - 4), QSizeF(legendWidth + 8, legendHeight + 8));
QColor legendBackgroundColor = QWidget::palette().color(QWidget::backgroundRole());
legendBackgroundColor.setAlpha(128); // 50% transparent
painter.fillRect(legendBackgroundRect, legendBackgroundColor);
i = 0;
for (const auto &property : m_properties) {
if (!property.enable)
continue;
int nameSize = fontMetrics.width(property.name);
double indent = 1.5 * (i++) * fontMetrics.height();
painter.setPen(property.pen);
painter.drawLine(legendTopLeft + QPointF(0, indent + fontMetrics.height()),
legendTopLeft + QPointF(nameSize, indent + fontMetrics.height()));
painter.drawText(QRectF(legendTopLeft + QPointF(0, indent), QSizeF(2 * nameSize, fontMetrics.height())),
property.name, QTextOption(Qt::AlignVCenter));
}
}