void BbVideoWindowControl::setSaturation(int saturation)
{
if (m_saturation != saturation) {
m_saturation = saturation;
updateSaturation();
emit saturationChanged(m_saturation);
}
}
void BbVideoWindowControl::attachDisplay(mmr_context_t *context)
{
if (m_videoId != -1) {
qDebug() << "BbVideoWindowControl: Video output already attached!";
return;
}
if (!context) {
qDebug() << "BbVideoWindowControl: No media player context!";
return;
}
if (!m_widget) {
qDebug() << "BbVideoWindowControl: No video widget!";
return;
}
QPlatformNativeInterface * const nativeInterface = QApplication::platformNativeInterface();
if (!nativeInterface) {
qDebug() << "BbVideoWindowControl: Unable to get platform native interface. Qt too old?";
return;
}
const char * const groupNameData = static_cast<const char *>(
nativeInterface->nativeResourceForWidget("windowGroup", m_widget));
if (!groupNameData) {
qDebug() << "BbVideoWindowControl: Unable to find window group for widget" << m_widget;
return;
}
const QString groupName = QString::fromAscii(groupNameData);
m_windowName = QString("BbVideoWindowControl_%1_%2").arg(winIdCounter++)
.arg(QCoreApplication::applicationPid());
// Start with an invisible window. If it would be visible right away, it would be at the wrong
// position, and we can only change the position once we get the window handle.
const QString videoDeviceUrl =
QString("screen:?winid=%1&wingrp=%2&initflags=invisible&nodstviewport=1").arg(m_windowName).arg(groupName);
m_videoId = mmr_output_attach(context, videoDeviceUrl.toAscii(), "video");
if (m_videoId == -1) {
qDebug() << mmErrorMessage("mmr_output_attach() for video failed", context);
return;
}
m_context = context;
updateVideoPosition();
updateHue();
updateContrast();
updateBrightness();
updateSaturation();
}
void dpRecordBufferCircle::update(){
if(mBufs.empty() == false && isRecord == false && isRecordOnce){
mTargetPos.set(mBufs[mPlaybackCounter]);
mPlaybackCounter++;
mPlaybackCounter %= mBufs.size();
}
updateAlpha();
updateSaturation();
mPos += (mTargetPos - mPos) * mPosEase;
}
bool SingleRemap::update() {
switch (_type) {
case kRemapNone:
break;
case kRemapByRange:
return updateRange();
case kRemapByPercent:
return updateBrightness();
case kRemapToGray:
return updateSaturation();
case kRemapToPercentGray:
return updateSaturationAndBrightness();
default:
error("Illegal remap type %d", _type);
}
return false;
}
