void CaptureThread::run()
{
LOGFUNC("CaptureThread::run");
while(1)
{
////////////////////////////////
// Stop thread if doStop=TRUE //
////////////////////////////////
doStopMutex.lock();
if(doStop)
{
doStop=false;
doStopMutex.unlock();
break;
}
doStopMutex.unlock();
//////////////////////////////////////
// Stop capturing if doPause = TRUE //
//////////////////////////////////////
doPauseMutex.lock();
if(doPause){
pauseCondition.wait(&doPauseMutex);
}
doPauseMutex.unlock();
// Save capture time
captureTime=t.elapsed();
// Start timer (used to calculate capture rate)
t.start();
// Synchronize with other streams (if enabled for this stream)
sharedImageBuffer->sync(CameraDevice->deviceNumber);
mCaptureFrameMutex.lock();
// Capture fraCameraDeviceme (if available)
if(!CameraDevice->grabFrame(&mGrabbedFrame))continue;
if(imageNeeded){
if(imageToCapture!=NULL)
*imageToCapture = mGrabbedFrame.copy();
imageNeeded = false;
}
// Add frame to buffer
if(mGrabbedFrame.width()!=0 && mGrabbedFrame.height()!=0){
sharedImageBuffer->getByDeviceNumber(CameraDevice->deviceNumber)->add(mGrabbedFrame, dropFrameIfBufferFull);
}
else{
LOG_D("Invalid frame");
}
mCaptureFrameMutex.unlock();
// Update statistics
updateFPS(captureTime);
statsData.nFramesProcessed++;
// Inform GUI of updated statistics
emit updateStatisticsInGUI(statsData);
}
}
void MyProcessing::run () {
long long prevFrameNum, curFrameNum;
prevFrameNum = -1;
curFrameNum = 0;
while(1)
{
////////////////////////////////
// Stop thread if doStop=TRUE //
////////////////////////////////
doStopMutex.lock();
if(doStop)
{
doStop=false;
doStopMutex.unlock();
break;
}
doStopMutex.unlock();
/////////////////////////////////
/////////////////////////////////
int idx = rb->curRead();
FrameData *d = rb->getPointer(idx);
curFrameNum = d->frameNumber;
if (prevFrameNum < curFrameNum) {
// Save processing time
processingTime=t.elapsed();
// Start timer (used to calculate processing rate)
t.start();
processingMutex.lock();
//rb->lockRead();
pluginStack->process(d);
Mat currentFrame = d->frame.clone();
//cout << "frame number : " << d->frameNumber << endl;
//rb->unlockRead();
// Convert Mat to QImage
frame=MatToQImage(currentFrame);
processingMutex.unlock();
// Inform GUI thread of new frame (QImage)
emit newFrame(frame);
// Update statistics
updateFPS(processingTime);
statsData.nFramesProcessed++;
// Inform GUI of updated statistics
emit updateStatisticsInGUI(statsData);
}//if
// With "true" it jumps directly ahead to the most recent data available. This means that we can possibly skip bins.
rb->nextRead(true);
prevFrameNum=curFrameNum;
}
//qDebug() << "Stopping processing thread...";
}
void ProcessingThread::run()
{
qDebug() << "Starting processing thread...";
while(1)
{
////////////////////////// ///////
// Stop thread if doStop=TRUE //
////////////////////////// ///////
doStopMutex.lock();
if(doStop)
{
doStop=false;
doStopMutex.unlock();
break;
}
doStopMutex.unlock();
////////////////////////// ////////
////////////////////////// ////////
// Save processing time
processingTime=t.elapsed();
// Start timer (used to calculate processing rate)
t.start();
processingMutex.lock();
// Get frame from queue, store in currentFrame, set ROI
currentFrame=Mat(sharedImageBuffer->getByDeviceNumber(deviceNumber)->get().clone(), currentROI);
////////////////////////// ///////// //
// PERFORM IMAGE PROCESSING BELOW //
////////////////////////// ///////// //
// Grayscale conversion (in-place operation)
if(imgProcFlags.grayscaleOn && (currentFrame.channels() == 3 || currentFrame.channels() == 4)) {
cvtColor(currentFrame, currentFrame, CV_BGR2GRAY, 1);
}
// Save the original Frame after grayscale conversion, so VideoWriter works correct
if(emitOriginal || captureOriginal)
originalFrame = currentFrame.clone();
// Fill Buffer that is processed by Magnificator
fillProcessingBuffer();
if (processingBufferFilled()) {
if(imgProcFlags.colorMagnifyOn)
{
magnificator.colorMagnify();
currentFrame = magnificator.getFrameLast();
}
else if(imgProcFlags.laplaceMagnifyOn)
{
magnificator.laplaceMagnify();
currentFrame = magnificator.getFrameLast();
}
else if(imgProcFlags.waveletMagnifyOn)
{
magnificator.waveletMagnify();
currentFrame = magnificator.getFrameLast();
}
else
processingBuffer.erase(processingBuffer.begin());
}
////////////////////////// ///////// //
// PERFORM IMAGE PROCESSING ABOVE //
////////////////////////// ///////// //
// Convert Mat to QImage
frame=MatToQImage(currentFrame);
processingMutex.unlock();
// Save the Stream
if(doRecord) {
if(output.isOpened()) {
if(captureOriginal) {
processingMutex.lock();
// Combine original and processed frame
combinedFrame = combineFrames(currentFrame,originalFrame);
processingMutex.unlock();
output.write(combinedFrame);
}
else {
output.write(currentFrame);
}
framesWritten++;
emit frameWritten(framesWritten);
}
}
// Emit the original image before converting to grayscale
if(emitOriginal)
emit origFrame(MatToQImage(originalFrame));
// Inform GUI thread of new frame (QImage)
// emit newFrame(frame);
emit newFrame(MatToQImage(currentFrame));
// Update statistics
updateFPS(processingTime);
statsData.nFramesProcessed++;
// Inform GUI of updated statistics
emit updateStatisticsInGUI(statsData);
}
qDebug() << "Stopping processing thread...";
}
