[dualcamgrabber] cleanup

more messaging, use the size-aware Image constructor

camconfig.cpp

@@ -5,6 +5,7 @@
 
 CamConfigurator::CamConfigurator(Pylon::DeviceInfoList &deviceList, QWidget *parent) :
     deviceList(deviceList), QDialog(parent), preview(nullptr) {
+    qDebug() << "CamConfig constructor";
     mode_combo = new QComboBox(this);
     mode_combo->addItem("camera mode");
     mode_combo->addItem("single camera");
@@ -45,6 +46,7 @@ CamConfigurator::CamConfigurator(Pylon::DeviceInfoList &deviceList, QWidget *par
     connect(buttonbox, &QDialogButtonBox::accepted, this, &QDialog::accept);
     connect(buttonbox, &QDialogButtonBox::rejected, this, &QDialog::reject);
     vbox->addWidget(buttonbox);
+    qDebug() << "CamConfig constructor done!";
 }
 
 
@@ -71,6 +73,7 @@ CameraSetup* CamConfigurator::stereoCameraView() {
 
 
 void CamConfigurator::modeChanged(int idx) {
+    qDebug() << "Mode changed!";
     stack->setCurrentIndex(0);
     if (stack->count() > 1 && preview != nullptr) {
         qDebug() << "removing previous widget from stack";
@@ -115,10 +118,11 @@ void CamConfigurator::modeChanged(int idx) {
 
 
 void CamConfigurator::primaryDeviceChanged(int idx) {
+    qDebug() << "Primary device changed!";
     if (mode_combo->currentText() == "single camera") { // single camera setting
         QString devicename = device_combo->currentText();
         preview->setPrimaryCamera(devicename);
-    } else {
+    } else if (mode_combo->currentText() == "stereo camera") { // stereo camera setting
         preview->switchArrangement();
     }
 }

camerapreview.cpp

@@ -9,29 +9,33 @@ CameraPreview::CameraPreview(QWidget *parent):cameraname(""), camera(nullptr), Q
     this->setLayout(new QVBoxLayout(this));
     this->layout()->addWidget(label);
     imgLabel = new QLabel(this);
-    imgLabel->setMinimumSize(QSize(1024, 768));
+    imgLabel->setMinimumSize(QSize(800, 600));
     this->layout()->addWidget(imgLabel);
     QWidget *controls = new QWidget(this);
 
     width = new QSpinBox(controls);
-    width->setMinimum(1);
+    width->setMinimum(32);
     width->setMaximum(2048);
+    width->setSingleStep(32);
     width->setValue(width->maximum());
     connect(width, SIGNAL(textChanged(QString)), SLOT(updateWidth(QString)));
 
     height = new QSpinBox(controls);
-    height->setMinimum(1);
+    height->setSingleStep(32);
+    height->setMinimum(32);
     height->setMaximum(1536);
     height->setValue(height->maximum());
     connect(height, SIGNAL(textChanged(QString)), SLOT(updateHeight(QString)));
 
     xoffs = new QSpinBox(controls);
+    xoffs->setSingleStep(8);
     xoffs->setMinimum(0);
     xoffs->setMaximum(2047);
     xoffs->setValue(0);
     connect(xoffs, SIGNAL(textChanged(QString)), SLOT(updateXoffs(QString)));
 
     yoffs = new QSpinBox(controls);
+    yoffs->setSingleStep(8);
     yoffs->setMinimum(0);
     yoffs->setMaximum(1535);
     yoffs->setValue(0);
@@ -53,12 +57,11 @@ CameraPreview::CameraPreview(QWidget *parent):cameraname(""), camera(nullptr), Q
     this->layout()->addWidget(controls);
     //setPrimaryCamera(devicename);
     qDebug() << "Camera preview constructor";
-    takeStill();
 }
 
 
 void CameraPreview::setCamera(QString &device){
-    qDebug() << "update camera! ";// << device.toStdString();
+    qDebug() << "update camera! " << device;
     cameraname = device;
     if (camera != nullptr) {
         qDebug() << "camera is not nullptr! ";
@@ -77,7 +80,26 @@ void CameraPreview::setCamera(QString &device){
         msgBox.exec();
         return;
     }
+    int64_t max_height = camera->sensorHeight();
+    int64_t max_width = camera->sensorWidth();
+    std::cerr << "set spin box values " << max_width << " " << max_height << std::endl;
+    width->blockSignals(true);
+    height->blockSignals(true);
+    xoffs->blockSignals(true);
+    yoffs->blockSignals(true);
+    width->setMaximum(max_width);
+    width->setValue(max_width);
+    height->setMaximum(max_height);
+    height->setValue(max_height);
+    xoffs->setMaximum(max_width - 1);
+    xoffs->setValue(0);
+    yoffs->setMaximum(max_height - 1);
+    yoffs->setValue(0);
     label->setText(device + " - " + camera->userName());
+    width->blockSignals(false);
+    height->blockSignals(false);
+    xoffs->blockSignals(false);
+    yoffs->blockSignals(false);
     takeStill();
 }
 
@@ -85,17 +107,19 @@ void CameraPreview::setCamera(QString &device){
 void CameraPreview::takeStill() {
     qDebug() << "Take Still image!";
     if (camera != nullptr && camera->isOpen()) {
-      MyImage mimg;
+      ImageSettings s = camera->getImageSettings();
+      MyImage mimg(s.width, s.height);
       bool valid = camera->grabFrame(mimg);
       if (!valid) {
           qWarning() << "Grabbing from camera failed!";
           return;
       }
+      qDebug() << "Grabbed image from camera succeeded!";
       QImage img(static_cast<uchar *>(mimg.data()), mimg.width(), mimg.height(),
                  QImage::Format::Format_Grayscale8);
       QPixmap mpm = QPixmap::fromImage(img);
       this->pm = mpm;
-      mpm = mpm.scaledToWidth(1024);
+      mpm = mpm.scaledToWidth(800);
       setImage(mpm);
       updateROI();
     } else {
@@ -111,7 +135,7 @@ void CameraPreview::updateWidth(QString s) {
     // if (xoffs->value() + width->value() > 2048) {
     //     xoffs->setValue(2048 - width->value());
     // }
-    validate(width, xoffs, 2048);
+    validate(width, xoffs, camera->sensorWidth());
     updateROI();
 }
 
@@ -119,7 +143,7 @@ void CameraPreview::updateXoffs(QString s) {
     // if (xoffs->value() + width->value() > 2048) {
     //     width->setValue(2048 - xoffs->value());
     // }
-    validate(xoffs, width, 2048);
+    validate(xoffs, width, camera->sensorHeight());
     updateROI();
 }
 
@@ -127,7 +151,7 @@ void CameraPreview::updateHeight(QString s) {
     // if (height->value() + yoffs->value() > 1536) {
     //     yoffs->setValue(1536 - height->value());
     // }
-    validate(height, yoffs, 1536);
+    validate(height, yoffs, camera->sensorHeight());
     updateROI();
 }
 
@@ -135,20 +159,33 @@ void CameraPreview::updateYoffs(QString s) {
     // if (height->value() + yoffs->value() > 1536) {
     //     height->setValue(1536 - yoffs->value());
     // }
-    validate(yoffs, height, 1536);
+    validate(yoffs, height, camera->sensorWidth());
     updateROI();
 }
 
 void CameraPreview::validate(QSpinBox *origin, QSpinBox *dest, int limit){
+    qDebug() << "validate";
+    int val = ensureDivbyfour(origin->value());
+    origin->setValue(val);
     if (origin->value() + dest->value() > limit) {
         dest->setValue(limit - origin->value());
     }
+    qDebug() << "validate done";
+}
+
+int CameraPreview::ensureDivbyfour(int val) {
+    // if (val % 4 != 0) {
+    //     int divisor = floor(val / 4);
+    //     val = divisor * 4;
+    // }
+    return val;
 }
 
 void CameraPreview::updateROI(bool emitSignal) {
+    qDebug() << "Update roi with signal: " << emitSignal;
     QImage img = pm.toImage();
-    double scaling = 1024.0 / img.width();
-    img = img.scaledToWidth(1024);
+    double scaling = 800.0 / img.width();
+    img = img.scaledToWidth(800);
     QPainter qPainter(&img);
     qPainter.setBrush(Qt::NoBrush);
     qPainter.setPen(Qt::red);
@@ -162,20 +199,24 @@ void CameraPreview::updateROI(bool emitSignal) {
     int rheight = round(height->value() * scaling);
     qPainter.drawRect(rxoffs, ryoffs, rwidth, rheight);
     bool bEnd = qPainter.end();
-
     QPixmap npm = QPixmap::fromImage(img);
     setImage(npm);
     if (emitSignal) {
         emit roiUpdated(xoffs->value(), yoffs->value(), width->value(), height->value());
     }
+    qDebug() << "update ROI done";
 }
 
 void CameraPreview::setSize(int w, int h) {
+    qDebug() << "set size " << w << " " << h;
     width->setValue(w);
     height->setValue(h);
-    validate(width, xoffs, 2048);
-    validate(height, yoffs, 1536);
+    if (camera != nullptr && camera->isOpen()) {
+        validate(width, xoffs, camera->sensorWidth());
+        validate(height, yoffs, camera->sensorHeight());
+    }
     updateROI(false);
+    qDebug() << "set size done";
 }
 
 QString CameraPreview::device(){
@@ -184,12 +225,14 @@ QString CameraPreview::device(){
 
 ROI CameraPreview::getRoi() {
     ROI r;
+    uint32_t max_height = camera->sensorHeight();
+    uint32_t max_width = camera->sensorWidth();
     r.x = xoffs->value();
     r.y = yoffs->value();
     r.width = width->value();
     r.height = height->value();
-    r.height = r.height > 1536 ? 1536 - r.y : r.height;
-    r.width = r.width > 2048 ? 2048 - r.x : r.width;
+    r.height = r.height > max_height ? max_height - r.y : r.height;
+    r.width = r.width > max_width ? max_width - r.x : r.width;
     return r;
 }
 

camerapreview.h

@@ -52,7 +52,7 @@ private:
     void takeStill();
     void setImage(const QPixmap &img);
     void validate(QSpinBox *origin, QSpinBox *dest, int limit);
-    
+    int ensureDivbyfour(int value);
     PylonWrapper *camera;
 
 };

camerasetup.cpp

@@ -10,6 +10,7 @@ SingleCamera::SingleCamera (QWidget *parent) :
         this->layout()->addWidget(camera1Preview);
 }
 
+
 CameraLayout SingleCamera::cameraLayout(){ 
     CameraLayout l;
     qDebug() << "Request layout";
@@ -20,6 +21,7 @@ CameraLayout SingleCamera::cameraLayout(){
     return l;
 }
 
+
 SingleCamera::~SingleCamera(){
     if (camera1Preview != nullptr) {
         delete camera1Preview;
@@ -33,7 +35,8 @@ DualCamera::DualCamera (QWidget *parent) :
     camera1Preview(nullptr),
     camera2Preview(nullptr),
     primary_device("") {
-        qDebug() << "DualCamera View ... ";
+        qDebug() << "DualCamera View constructor... ";
+        std::cerr << "DualCamera View constructor... " << std::endl;
         this->setLayout(new QHBoxLayout(this));
         camera1Preview = new CameraPreview();
         camera2Preview = new CameraPreview();
@@ -46,11 +49,17 @@ DualCamera::DualCamera (QWidget *parent) :
 
 
 void DualCamera::updateROI1(int x, int y, int w, int h) {
-    camera2Preview->setSize(w, h);
+    qDebug() << "Update ROI1: x " << x << " y " << y << " w " << w << " h " << h;
+    if (camera2Preview != nullptr) {
+        camera2Preview->setSize(w, h);
+    }
 }
 
 void DualCamera::updateROI2(int x, int y, int w, int h) {
-    camera1Preview->setSize(w, h);
+    qDebug() << "Update ROI2: x " << x << " y " << y << " w " << w << " h " << h;
+    if (camera1Preview != nullptr) {
+        camera1Preview->setSize(w, h);
+    }
 }
 
 void DualCamera::switchArrangement() {

camerasetup.h

@@ -62,7 +62,7 @@ public:
 
 
     void setPrimaryCamera(QString &device) {
-        qDebug() << "Update primary camera";
+        qDebug() << "Update primary camera to " << device;
         if (camera1Preview != nullptr) {
             camera1Preview->setCamera(device);
             primary_device = device;
@@ -71,7 +71,7 @@ public:
 
 
     void setSecondaryCamera(QString &device) {
-        qDebug()<< "Update secondary camera";
+        qDebug()<< "Update secondary camera to " << device;
         if (camera2Preview != nullptr) {
             camera2Preview->setCamera(device);
         }

dualcamgrabber.cpp

@@ -8,66 +8,78 @@ typedef high_resolution_clock Time;
 typedef milliseconds ms;
 typedef duration<float> fsec;
 
+
 void DualcamGrabber::run() {
   stop_request = false;
   size_t counter = 0;
 
-  if (wrapper->isOpen()) {
-      Pylon::CInstantCameraArray &cameras = wrapper->getCameraArray();
-      wrapper->frameRate(static_cast<uint>(framerate), -1);
-      wrapper->exposureTime(exposure);
-      wrapper->gain(gain);
+  if (!wrapper->isOpen()) {
+    return;
+  }
+
+  Pylon::CInstantCameraArray &cameras = wrapper->getCameraArray();
+  wrapper->frameRate(static_cast<uint>(100), -1);
+
+  wrapper->exposureTime(exposure);
+  wrapper->gain(gain);
+  wrapper->enableSoftwareTrigger(0);
+  wrapper->enableSoftwareTrigger(1);
+
+  cameras.StartGrabbing();
+  Pylon::CGrabResultPtr frame0, frame1;
+  Pylon::CPylonImage leftImage;
+  Pylon::CPylonImage rightImage;
+  Pylon::CPylonImage stitchedImage;
+  std::string errorMessage = "";
+  bool failure = false;
+
+  auto before = high_resolution_clock::now();
+  auto done = high_resolution_clock::now();
+  auto total_duration = duration_cast<microseconds>(done - before);
+  int expected_usecs = (int)(1./framerate * 1000000);
+
+  while (cameras.IsGrabbing() && !stop_request && !failure) {
+    if (counter > 0) {
+      long delay = total_duration.count() - expected_usecs;
+      if (delay > 0) {
+        emit delayed(delay, counter-1);
+      } else {
+        usleep(-delay);
+      }
+    }
+    before = high_resolution_clock::now();
+
+    if (cameras[0].WaitForFrameTriggerReady(1000, Pylon::TimeoutHandling_ThrowException) &&
+        cameras[1].WaitForFrameTriggerReady(1000, Pylon::TimeoutHandling_ThrowException)) {
+      // std::cerr << "executing software triggers" << std::endl;
+      cameras[0].ExecuteSoftwareTrigger();
+      cameras[1].ExecuteSoftwareTrigger();
+    }
 
-      cameras.StartGrabbing();
-      Pylon::CGrabResultPtr frame0, frame1;
-      Pylon::CPylonImage leftImage;
-      Pylon::CPylonImage rightImage;
-      Pylon::CPylonImage stitchedImage;
-      std::string errorMessage = "";
+    try {
+      cameras[0].RetrieveResult( 5000, frame0, Pylon::TimeoutHandling_ThrowException );
+      cameras[1].RetrieveResult( 5000, frame1, Pylon::TimeoutHandling_ThrowException );
+      leftImage.AttachGrabResultBuffer( frame0 );
+      rightImage.AttachGrabResultBuffer( frame1 );
+    } catch( const Pylon::GenericException &e ) {
+      qDebug() << "Grabbing frame failed! " << e.what();
+      failure = true;
+    }
 
-      // int ifi = 0;
-      // int deviation = 0;
-      // std::cerr << wrapper->frameRate(0) << "\t" << wrapper->frameRate(1) << "\t" << framerate << std::endl;
-      // int desired_ifi = (1./wrapper->frameRate(0) * 1000000);
-      // auto framestart = high_resolution_clock::now();
-      while (cameras.IsGrabbing() && !stop_request) {
-        // if (counter > 0) {
-        //   deviation = desired_ifi - ifi;
-        //   if (deviation > 0)
-        //     // usleep(deviation);
-        //     std::cerr << desired_ifi << "\t" << deviation << std::endl;
-        // }
-          // auto start = high_resolution_clock::now();
-          MyImage *img = new MyImage();
-          // auto stop1 = high_resolution_clock::now();
-          cameras[0].RetrieveResult( 5000, frame0, Pylon::TimeoutHandling_ThrowException );
-          // auto stop2 = high_resolution_clock::now();
-          cameras[1].RetrieveResult( 5000, frame1, Pylon::TimeoutHandling_ThrowException );
-          // auto stop3 = high_resolution_clock::now();
-          leftImage.AttachGrabResultBuffer( frame0 );
-          rightImage.AttachGrabResultBuffer( frame1 );
-          if (leftImage.IsValid() && rightImage.IsValid()) {
-            try {
-              StitchImage::StitchToRight(leftImage, rightImage, &stitchedImage, errorMessage);
-              img->setFrame(stitchedImage);
-              buffer->push(img);
-            } catch(const std::exception& e) {
-              std::cerr << e.what() << '\n';
-            }
-          }
-          // auto stop4 = high_resolution_clock::now();
-          // auto duration1 = duration_cast<microseconds>(stop1 - start);
-          // auto duration2 = duration_cast<microseconds>(stop2 - stop1);
-          // auto duration3 = duration_cast<microseconds>(stop3 - stop2);
-          // auto duration4 = duration_cast<microseconds>(stop4 - stop3);
-          // std::cerr << "framecount: " << counter << " image constr: " << duration1.count() << "\t" << " retrieve1: " << duration2.count() << "\t" << " retrieve2: " << duration3.count() << "\t" << "conversion: " << duration4.count() << std::endl;
-          // ifi = duration_cast<microseconds>(stop4 - framestart).count();
-          // framestart = stop4;
-          // if (counter > 0) {
-          //   std::cerr << "frame " << counter << " inter frame interval: " << ifi << "microseconds" << std::endl;
-          // } 
-          counter += 1;
+    if (!failure && leftImage.IsValid() && rightImage.IsValid()) {
+      try {
+        StitchImage::StitchToRight(leftImage, rightImage, &stitchedImage, errorMessage);
+        MyImage *img = new MyImage(stitchedImage.GetWidth(), stitchedImage.GetHeight());
+        img->setFrame(stitchedImage);
+        buffer->push(img);
+      } catch(const std::exception& e) {
+        std::cerr << e.what() << '\n';
       }
-      cameras.StopGrabbing();
     }
+
+    counter += 1;
+    done = high_resolution_clock::now();
+    total_duration = duration_cast<microseconds>(done - before);
+  }
+  cameras.StopGrabbing();
 }

dualcamgrabber.h

@@ -53,6 +53,7 @@ public slots:
 
 signals:
   void terminated();
+  void delayed(int, int);
 };
 
 #endif // DUALCAMGRABBER_H

dualcamwrapper.cpp

@@ -49,6 +49,7 @@ double DualcamWrapper::maxFrameRate(int camindex) {
 
 
 bool DualcamWrapper::frameRate(uint new_framerate, int camindex) {
+  qDebug() << "Setting FrameRate to " << new_framerate << " for camera " << camindex;
   if (valid) {
       if (camindex == -1) {
         frameRate(new_framerate, 0);
@@ -72,6 +73,7 @@ bool DualcamWrapper::frameRate(uint new_framerate, int camindex) {
 
 
 double DualcamWrapper::frameRate(int camindex) {
+  qDebug() << "Reading FrameRate from camera " << camindex;
   assert(camindex >= 0 && camindex < 2);
   double rate = -1.;
   if (valid) {
@@ -85,6 +87,7 @@ double DualcamWrapper::frameRate(int camindex) {
 
 
 double DualcamWrapper::exposureTime(int camindex) {
+  qDebug() << "Reading ExposureTime from camera " << camindex;
   assert(camindex > 0 && camindex < 2);
   double time = -1.;
   if (valid) {
@@ -98,28 +101,53 @@ double DualcamWrapper::exposureTime(int camindex) {
 
 
 bool DualcamWrapper::exposureTime(double exposure_time, int camindex) {
+  qDebug() << "Setting exposure time to " << exposure_time << " for camera " << camindex;
     if (valid) {
         if (camindex == -1) {
             exposureTime(exposure_time, 0);
             exposureTime(exposure_time, 1);
         } else {
-            GenApi::INodeMap& nodemap = getNodemap(camindex);
-            double d = GenApi::CFloatPtr(nodemap.GetNode("ExposureTime"))->GetValue();
-            GenApi::INode* n = nodemap.GetNode( "ExposureTime" );
             try {
-                GenApi::CEnumerationPtr(nodemap.GetNode( "ExposureTimeMode" ))->FromString("Standard");
+                GenApi::INodeMap& nodemap = getNodemap(camindex);
+                GenApi::INode* n = nodemap.GetNode( "ExposureTime" );
+                Pylon::CFloatParameter exp_time( n );
+                exp_time.SetValue( exposure_time );
+                GenApi::CEnumerationPtr(nodemap.GetNode( "ExposureTimeMode" ))->FromString("Timed");;
             } catch (...) {
-                qWarning() << "Could not set exposure for cam0"; 
+
+                qWarning() << "Could not set exposure for cam " << camindex;
             }
-            Pylon::CFloatParameter exp_time( n );
-            exp_time.SetValue( exposure_time );
         }
       }
     return false;
 }
 
+uint32_t DualcamWrapper::sensorWidth(int camindex) {
+  qDebug() << "Reading SensorWidth from camera " << camindex;
+  assert(camindex >= 0 && camindex < 2);
+  uint32_t width = -1;
+  if (valid) {
+    GenApi::INodeMap &nodemap = getNodemap(camindex);
+    Pylon::CIntegerParameter pwidth( nodemap, "SensorWidth" );
+    width = (uint32_t)pwidth.GetValue();
+  }
+  return width;
+}
+
+uint32_t DualcamWrapper::sensorHeight(int camindex) {
+  qDebug() << "Reading SensorHeight from camera " << camindex;
+  assert(camindex >= 0 && camindex < 2);
+  uint32_t height = -1;
+  if (valid) {
+    GenApi::INodeMap &nodemap = getNodemap(camindex);
+    Pylon::CIntegerParameter pheight( nodemap, "SensorHeight" );
+    height = (uint32_t)pheight.GetValue();
+  }
+  return height;
+}
 
 double DualcamWrapper::gain(int camindex) {
+  qDebug() << "Reading Gain from camera " << camindex;
   assert(camindex >= 0 && camindex < 2);
   double gain = -1.;
   if (valid) {
@@ -193,31 +221,35 @@ bool DualcamWrapper::grabFrame(MyImage &img, int camindex) {
 
 void DualcamWrapper::setROI() {
   for (int camindex = 0; camindex < 2; camindex++){
-    qDebug() << "Setting ROI: w" << layout.rois[camindex].width << " h: "<< layout.rois[camindex].height << " x " << layout.rois[camindex].x << " y " << layout.rois[camindex].y << std::endl;
+    qDebug() << "Setting ROI: w" << layout.rois[camindex].width << " h: "<< layout.rois[camindex].height << " x " << layout.rois[camindex].x << " y " << layout.rois[camindex].y;
+    try {
     GenApi::INodeMap &nodemap = getNodemap(camindex);
     Pylon::CIntegerParameter(nodemap, "Width").SetValue(layout.rois[camindex].width);
     Pylon::CIntegerParameter(nodemap, "Height").SetValue(layout.rois[camindex].height);
     Pylon::CIntegerParameter(nodemap, "OffsetX").SetValue(layout.rois[camindex].x);
     Pylon::CIntegerParameter(nodemap, "OffsetY").SetValue(layout.rois[camindex].y);
+    } catch (const Pylon::GenericException &e) {
+    std::cerr << e.GetDescription() << std::endl;
+    }
   }
 }
 
 
 void DualcamWrapper::resetCamera(int camindex) {
-    GenApi::INodeMap &nodemap = getNodemap( camindex );
-    int64_t dfltWidth = 2048;
-    int64_t dfltHeight = 1536;
-  qDebug() << "resetting camera to default ROI (" << dfltWidth << ", " << dfltHeight << ")";
-  try {
-    Pylon::CIntegerParameter(nodemap, "Width").SetValue(dfltWidth, false);
-    Pylon::CIntegerParameter(nodemap, "Height").SetValue(dfltHeight, false);
-    Pylon::CIntegerParameter(nodemap, "OffsetX").SetValue(0);
-    Pylon::CIntegerParameter(nodemap, "OffsetY").SetValue(0);
-  } catch (const Pylon::GenericException &e) {
-    std::string message = e.GetDescription();
-    std::cerr << "An exception occurred." << std::endl << e.GetDescription() << std::endl;
-    valid = false;
-  }
+  GenApi::INodeMap &nodemap = getNodemap( camindex );
+  uint32_t width = sensorWidth(camindex);
+  uint32_t height = sensorHeight(camindex);
+  qDebug() << "resetting camera to default ROI (" << width << ", " << height << ")";
+    try {
+      Pylon::CIntegerParameter(nodemap, "Width").SetValue(width, false);
+      Pylon::CIntegerParameter(nodemap, "Height").SetValue(height, false);
+      Pylon::CIntegerParameter(nodemap, "OffsetX").SetValue(0);
+      Pylon::CIntegerParameter(nodemap, "OffsetY").SetValue(0);
+    } catch (const Pylon::GenericException &e) {
+      std::string message = e.GetDescription();
+      std::cerr << "An exception occurred." << std::endl << e.GetDescription() << std::endl;
+      valid = false;
+    }
 }
 
 
@@ -258,7 +290,7 @@ void DualcamWrapper::closeCameras() {
 }
 
 Pylon::CInstantCameraArray &DualcamWrapper::getCameraArray() {
-    return cameras;
+  return cameras;
 }
 
 // Pylon::CInstantCamera DualcamWrapper::getCamera(int camindex) {
@@ -267,6 +299,26 @@ Pylon::CInstantCameraArray &DualcamWrapper::getCameraArray() {
 
 
 GenApi::INodeMap& DualcamWrapper::getNodemap(int camindex){
-    GenApi::INodeMap &nodemap = cameras[camindex].GetNodeMap();
-    return nodemap;
+  GenApi::INodeMap &nodemap = cameras[camindex].GetNodeMap();
+  return nodemap;
+}
+
+void DualcamWrapper::enableSoftwareTrigger(int camindex){
+  qDebug() << "Enabling software trigger for camera " << camindex;
+  GenApi::INodeMap &nodemap = getNodemap( camindex );
+  Pylon::CEnumParameter(nodemap, "TriggerMode").SetValue("On");
+  Pylon::CEnumParameter(nodemap, "TriggerSource").SetValue("Software");
+  // Pylon::CEnumParameter(nodemap, "TriggerActivation").SetValue("LevelHigh");
+}
+
+void DualcamWrapper::disableSoftwareTrigger(int camindex){
+  qDebug() << "Disabling software trigger for camera " << camindex;
+  GenApi::INodeMap& nodemap = getNodemap(camindex);
+  Pylon::CEnumParameter(nodemap, "TriggerMode").SetValue("Off");
+}
+
+bool DualcamWrapper::softwareTriggerEnabeled(int camindex){
+  qDebug() << "Checking software trigger for camera " << camindex;
+  GenApi::INodeMap& nodemap = getNodemap(camindex);
+  return Pylon::CEnumParameter(nodemap, "TriggerMode").GetValue() == "On";
 }

dualcamwrapper.h

@@ -16,6 +16,8 @@ public:
     ~DualcamWrapper();
 
     ImageSettings getImageSettings(int camindex);
+    uint32_t sensorWidth(int camindex);
+    uint32_t sensorHeight(int camindex);
     bool isOpen();
     void terminate();
     bool openCameras(std::string &message);
@@ -28,6 +30,9 @@ public:
     bool exposureTime(double exposure_time, int camindex=-1);
     double gain(int camindex);
     bool gain(double gain_db, int camindex=-1);
+    void enableSoftwareTrigger(int camindex);
+    void disableSoftwareTrigger(int camindex);
+    bool softwareTriggerEnabeled(int camindex);
     Pylon::CInstantCameraArray &getCameraArray();
 
 private:

grabber.cpp

@@ -9,11 +9,12 @@ void Grabber::run() {
       camera->frameRate(static_cast<uint>(framerate));
       camera->exposureTime(exposure);
       camera->gain(gain);
+      ImageSettings settings = camera->getImageSettings();
       Pylon::CInstantCamera *cam = camera->getCamera();
       Pylon::CGrabResultPtr frame;
       cam->StartGrabbing();
       while (camera->isOpen() && !stop_request) {
-          MyImage *img = new MyImage();
+          MyImage *img = new MyImage(settings.width, settings.height);
           cam->RetrieveResult( 5000, frame, Pylon::TimeoutHandling_ThrowException);
           img->setFrame(frame);
           buffer->push(img);

myimage.cpp

@@ -1,20 +1,28 @@
 #include "myimage.h"
 #include <chrono>
+#include "mylogger.h"
 
-MyImage::MyImage()
-{}
+MyImage::MyImage(uint32_t width, uint32_t height): img_width(width), img_height(height)
+{
+  buffer = new char[width * height];
+}
 
 MyImage::MyImage(Pylon::CGrabResultPtr ptr) {
   setFrame(ptr);
 }
 
+MyImage::~MyImage() {
+  delete[] buffer;
+}
+
 bool MyImage::setFrame(Pylon::CGrabResultPtr ptr) {
+  qDebug() << "Setting frame from pointer";
   bool valid = ptr.IsValid() && ptr->GetWidth() <= max_width && ptr->GetHeight() <= max_height;
   if (valid) {
       img_index = ptr->GetID();
       img_width = ptr->GetWidth();
       img_height = ptr->GetHeight();
-      memcpy(&buffer, ptr->GetBuffer(), ptr->GetImageSize());
+      memcpy(buffer, ptr->GetBuffer(), ptr->GetImageSize());
       auto t = std::chrono::system_clock::now();
       img_timestamp = std::chrono::system_clock::to_time_t(t);
     }
@@ -22,11 +30,12 @@ bool MyImage::setFrame(Pylon::CGrabResultPtr ptr) {
 }
 
 bool MyImage::setFrame( Pylon::CPylonImage &img) {
+  qDebug() << "Setting frame from Pylon image (" << img.GetWidth() << "x" << img.GetHeight() << ")";
   bool valid = img.IsValid() && img.GetWidth() <= max_width && img.GetHeight() <= max_height;
   if (valid) {
       img_width = img.GetWidth();
       img_height = img.GetHeight();
-      memcpy(&buffer, img.GetBuffer(), img.GetImageSize());
+      memcpy(buffer, img.GetBuffer(), img.GetImageSize());
       auto t = std::chrono::system_clock::now();
       img_timestamp = std::chrono::system_clock::to_time_t(t);
     }
@@ -50,7 +59,7 @@ int64_t MyImage::index() {
 }
 
 void *MyImage::data() {
-  return &buffer;
+  return buffer;
 }
 
 time_t MyImage::timestamp() {

myimage.h

@@ -6,8 +6,9 @@
 class MyImage
 {
 public:
-  MyImage();
+  MyImage(uint32_t width, uint32_t height);
   MyImage(Pylon::CGrabResultPtr ptr);
+  ~MyImage();
 
   int width();
   int height();
@@ -23,9 +24,9 @@ private:
   uint32_t img_height = 0;
   int64_t img_index = 0;
   time_t img_timestamp;
-  static const int max_width = 4096;
-  static const int max_height = 1536;
-  char buffer[max_width * max_height];
+  static const int max_width = 5184;
+  static const int max_height = 2048;
+  char *buffer; //[max_width * max_height];
 };
 
 #endif // MYIMAGE_H

pylonrecorder.cpp

@@ -87,6 +87,7 @@ PylonRecorder::PylonRecorder(QWidget *parent)
   statusHeader->setStyleSheet("QLabel{font-size: 11pt;font-family: Arial; font-weight: Bold}");
   QLabel *fileHeader = new QLabel("Output file:");
   fileHeader->setStyleSheet("QLabel{font-size: 11pt;font-family: Arial; font-weight: Bold}");
+
   statusBar()->addWidget(camHeader);
   statusBar()->addWidget(cameraConnectedLabel);
   statusBar()->addWidget(pressureLabel);
@@ -98,6 +99,7 @@ PylonRecorder::PylonRecorder(QWidget *parent)
   statusBar()->addWidget(writingLabel);
   statusBar()->addWidget(fileHeader);
   statusBar()->addWidget(fileLabel);
+
   resize(QGuiApplication::primaryScreen()->availableSize() * 3 / 5);
   detectCameras();
   createActions();
@@ -206,6 +208,7 @@ bool PylonRecorder::loadFile(const QString &fileName) {
 
 
 void PylonRecorder::setImage(const QImage &newImage) {
+  qDebug() << "Setting image";
   //FIXME figure out how to display both images. extract to extra class...
   image = newImage;
   // (image.colorSpace().isValid())
@@ -223,6 +226,7 @@ void PylonRecorder::setImage(const QImage &newImage) {
     applyScaling();
   }
   this->update();
+  qDebug() << "Setting image done";
 }
 
 
@@ -608,16 +612,17 @@ void PylonRecorder::adjustScrollBar(QScrollBar *scrollBar, double factor) {
 
 
 void PylonRecorder::cameraConfiguration(){
-    cameraConfigDialog = new CamConfigurator(deviceList, this);
-    connect(cameraConfigDialog, SIGNAL(accepted()), SLOT(cameraConfigurationAccepted()));
-    connect(cameraConfigDialog, SIGNAL(rejected()),  SLOT(cameraConfigurationAborted()));
-    // QObject::connect(&d, SIGNAL(column_visibility_changed(QString, QString,bool)), this, SLOT(visible_columns_update(QString, QString,bool)));
-    cameraConfigDialog->exec();
+  qDebug() << "Configuring camera(s)";
+  cameraConfigDialog = new CamConfigurator(deviceList, this);
+  connect(cameraConfigDialog, SIGNAL(accepted()), SLOT(cameraConfigurationAccepted()));
+  connect(cameraConfigDialog, SIGNAL(rejected()),  SLOT(cameraConfigurationAborted()));
+  // QObject::connect(&d, SIGNAL(column_visibility_changed(QString, QString,bool)), this, SLOT(visible_columns_update(QString, QString,bool)));
+  cameraConfigDialog->exec();
 }
 
 
 void PylonRecorder::cameraConfigurationAccepted() {
-  qDebug() << "Cameras setting " << ((cameraConfigDialog->result()) ? "Accepted" : "Discarded");
+  qDebug() << "Camera configuration " << ((cameraConfigDialog->result()) ? "Accepted" : "Discarded");
   this->layout = cameraConfigDialog->layout();
   camsconfigured = true;
   delete cameraConfigDialog;
@@ -627,12 +632,13 @@ void PylonRecorder::cameraConfigurationAccepted() {
 void PylonRecorder::cameraConfigurationAborted() {
   qDebug() << "Camera configuration aborted!";
   camsconfigured = false;
+  delete cameraConfigDialog;
 }
 
 
 void PylonRecorder::connectCamera() {
-  this->layout = CameraLayout();
   qDebug() << "connecting camera(s)";
+  this->layout = CameraLayout();
   if (deviceList.size() == 0) {
     detectCameras();
     QMessageBox msgBox;
@@ -647,6 +653,8 @@ void PylonRecorder::connectCamera() {
     qDebug() << "cameras have not been properly configured!";
     return;
   }
+  
+  //Single Camera mode
   if (layout.mode == CameraMode::single && layout.devices.size() == 1) {
     qDebug() << "single camera mode";
     std::string cname = layout.devices[0];
@@ -668,12 +676,15 @@ void PylonRecorder::connectCamera() {
     statusBar()->showMessage(QString::fromStdString(message));
     updateActions();
   }
+  
+  // Dual Camera mode
   if (layout.mode == CameraMode::dual && layout.devices.size() == 2) {
     qDebug() << "dual camera mode";
     std::string message;
     dualcam = new DualcamWrapper(layout);
     bool success = dualcam->openCameras(message);
     if (success) {
+      qDebug() << "Dual cameras connected";
       cameraConnectedLabel->setText("connected");
       cameraConnectedLabel->setStyleSheet("QLabel { font-size: 10px;font-family: Arial;color: green;}");
       cameraOpened = true;
@@ -843,10 +854,10 @@ void PylonRecorder::startDualcamRecording() {
   connect(writer, SIGNAL(writingDone()), this, SLOT(writerDone()));
   writer->setVideoSpecs(specs);
 
-  qDebug() << "push metadata to writer";
-  QSettings s;
-  this->mdata.read(s);
-  writer->setProjectMetadata(mdata);
+  // qDebug() << "push metadata to writer";
+  // QSettings s;
+  // this->mdata.read(s);
+  // writer->setProjectMetadata(mdata);
 
   dryRun = dryRunCheckBox->isChecked();
   buffer->clear();
@@ -895,10 +906,8 @@ void PylonRecorder::stopRecording() {
       stopRequest = true;
       grab_stop_action->setEnabled(false);
       qDebug() << "StopRecording: clear buffer!";
-      if(buffer != nullptr) {
-          buffer->clear();
-          if (dryRun)
-            writerDone();
+      if (dryRun){
+        writerDone();
       }
   }
   qDebug() << "StopRecording done!";
@@ -919,8 +928,12 @@ void PylonRecorder::writerDone() {
   }
   if (writer != nullptr)
     writer->wait(10000);
+  if(buffer != nullptr) {
+    buffer->clear();
+  }
   writing = false;
   updateActions();
+
   qInfo() << "writer is Done!";
 }
 
@@ -933,6 +946,7 @@ void PylonRecorder::displayActivity() {
 
 
 void PylonRecorder::displaySingleFrame() {
+  qDebug() << "display single frame";
   MyImage *img;
   size_t fc = 0;
   img = buffer->readLast(fc);
@@ -940,7 +954,7 @@ void PylonRecorder::displaySingleFrame() {
     QImage qimg(static_cast<uchar *>(img->data()), img->width(), img->height(), QImage::Format::Format_Grayscale8);
     setImage(qimg);
   }else {
-      std::cerr << "Error reading last image" << std::endl;
+      qDebug() << "Error reading last image";
   }
 }
 
@@ -986,7 +1000,8 @@ void PylonRecorder::displayBufferPressure() {
 void PylonRecorder::grabStillFromPylon() {
   qDebug() << "Grab still image form camera!";
   if (singlecam != nullptr && singlecam->isOpen()) {
-      MyImage img;
+      ImageSettings s = singlecam->getImageSettings();
+      MyImage img(s.width, s.height);
       bool valid = singlecam->grabFrame(img);
       if (valid) {
           QImage qimg(static_cast<uchar *>(img.data()), img.width(), img.height(),
@@ -996,7 +1011,7 @@ void PylonRecorder::grabStillFromPylon() {
     } else {
       statusBar()->showMessage(tr("Camera is not open! Connect to camera first!"));
     }
-  //FIXME does not work for single camera mode!
+  //FIXME does not work for stereo camera mode!
   qDebug() << "grabbing still image done!";
 }
 

pylonwrapper.cpp

@@ -157,14 +157,43 @@ bool PylonWrapper::grabFrame(MyImage &img) {
     camera->StartGrabbing();
     camera->RetrieveResult( 5000, frame, Pylon::TimeoutHandling_ThrowException);
     camera->StopGrabbing();
+    qDebug() << "grabFrame done";
   }
+
   img.setFrame(frame);
   return frame.IsValid();
 }
 
+uint32_t PylonWrapper::sensorWidth() {
+  qDebug() << "Reading SensorWidth";
+  uint32_t width = -1;
+  if (valid) {
+    qDebug() << "SensorWidth available";
+    GenApi::INodeMap &nodemap = camera->GetNodeMap();
+    if (GenApi::IsAvailable(nodemap.GetNode("SensorWidth"))) {
+      Pylon::CIntegerParameter pwidth( nodemap, "SensorWidth" );
+      width = (uint32_t)pwidth.GetValue();
+    }
+  }
+  return width;
+}
+
+uint32_t PylonWrapper::sensorHeight() {
+  qDebug() << "Reading SensorHeight";
+  uint32_t height = -1;
+  if (valid){
+    GenApi::INodeMap &nodemap = camera->GetNodeMap();
+    if (GenApi::IsAvailable(nodemap.GetNode("SensorHeight"))) {
+      Pylon::CIntegerParameter pheight( nodemap, "SensorHeight" );
+      height = (uint32_t)pheight.GetValue();
+    }
+  }
+  return height;
+}
+
 void PylonWrapper::resetCamera() {
-  int64_t dfltWidth = 2048;
-  int64_t dfltHeight = 1536;
+  uint32_t dfltWidth = sensorWidth();
+  uint32_t dfltHeight = sensorHeight();
   qDebug() << "resetting camera to default ROI (" << dfltWidth << ", " << dfltHeight << ")";
   try {
     GenApi::INodeMap& nodemap = camera->GetNodeMap();
@@ -179,6 +208,7 @@ void PylonWrapper::resetCamera() {
     std::cerr << "An exception occurred." << std::endl << e.GetDescription() << std::endl;
     valid = false;
   }
+  qDebug() << "resetting camera to default ROI done";
 }
 
 bool PylonWrapper::openCamera(std::string &message) { 
@@ -236,5 +266,12 @@ Pylon::CInstantCamera *PylonWrapper::getCamera() {
 QString PylonWrapper::userName() {
   GenApi::INodeMap& nodemap = camera->GetNodeMap();
   QString username = Pylon::CStringParameter(nodemap, "DeviceUserID").GetValue().c_str();
+  if (username.length() == 0) {
+    username = Pylon::CStringParameter(nodemap, "DeviceModelName").GetValue().c_str();
+  }
   return username;
+}
+
+QString PylonWrapper::deviceName() {
+  return QString::fromStdString(fullName);
 }

pylonwrapper.h

@@ -27,9 +27,12 @@ public:
     bool exposureTime(double exposure_time);
     double gain();
     bool gain(double gain_db);
+    uint32_t sensorHeight();
+    uint32_t sensorWidth();
     QString userName();
     Pylon::CInstantCamera *getCamera();
     void resetCamera();
+    QString deviceName();
 
 private:
     Pylon::CInstantCamera *camera;

writer.cpp

@@ -2,6 +2,12 @@
 #include <chrono>
 #include <fstream>
 #include <pylon/VideoWriter.h>
+#include <chrono>
+using namespace std::chrono;
+typedef high_resolution_clock Time;
+typedef milliseconds ms;
+typedef duration<float> fsec;
+
 
 void Writer::setVideoSpecs(VideoSpecs specs) {
   videoSpecs = specs;
@@ -41,111 +47,35 @@ void Writer::run() {
   qDebug() << "checks done!";
 
   Pylon::CVideoWriter videoWriter;
-  if (specs_valid) {
+  if (specs_valid && videoSpecs.format != VideoFormat::raw) {
       stop_request = false;
       stopNow = false;
-      if (videoSpecs.format == VideoFormat::raw) {
-        myFile.open(videoSpecs.filename, std::ios::out | std::ios::binary);
-        myFile.write((char*)&videoSpecs.width, 4);
-        myFile.write((char*)&videoSpecs.height, 4);
-      } else {
-        qDebug() << "setting parameters for video";
-        videoWriter.SetParameter((uint32_t)videoSpecs.width, (uint32_t)videoSpecs.height, videoSpecs.pixelType, (double)videoSpecs.fps, videoSpecs.quality);
-        videoWriter.Open(videoSpecs.filename.c_str());
-      }
-
-      nix::File nix_file =nix::File::open(videoSpecs.filename + ".nix", nix::FileMode::Overwrite, "hdf5", nix::Compression::DeflateNormal);
-      nix::Block b = nix_file.createBlock("Recording", "nix.recording");
-      nix::Section s = nix_file.createSection("Recording", "nix.recording");
-      b.metadata(s);
-      nix::Value v(nix::util::timeToStr(std::chrono::system_clock::to_time_t(std::chrono::system_clock::now())));
-      s.createProperty("date", v);
-
-      nix::Value fn(videoSpecs.filename);
-      s.createProperty("moviefile", fn);
-      nix::Section sw_sec = s.createSection("PylonRecorder", "nix.software");
-      sw_sec.createProperty("version", nix::Value(1));
-
-      nix::Section hw_sec = s.createSection("Basler ACA2040-120um", "nix.hardware.camera");
-      hw_sec.createProperty("type", nix::Value("monochrome"));
-      hw_sec.createProperty("manufacturer", nix::Value("Basler AG"));
-      nix::Property p = hw_sec.createProperty("framerate", nix::Value(static_cast<int>(videoSpecs.fps)));
-      p.unit("Hz");
-      nix::Property p1 = hw_sec.createProperty("exposure time", nix::Value(static_cast<int>(videoSpecs.exposureTime)));
-      p1.unit("us");
-      nix::Property p2 = hw_sec.createProperty("detector gain", nix::Value(static_cast<int>(videoSpecs.detectorGain)));
-      p2.unit("dB");
-
-      if (metadata_valid) {
-        writeMetadata(s);
-      }
-
-      nix::NDSize initial_shape(1, chunksize);
-      nix::DataArray frametimes = b.createDataArray("frametimes", "nix.imaging.frametimes", nix::DataType::String, initial_shape);
-      frametimes.label("time");
-      frametimes.appendSetDimension();
-      nix::DataArray frameindices = b.createDataArray("frameindex", "nix.imaging.frameid", nix::DataType::Int64, initial_shape);
-      frameindices.appendSetDimension();
-
-      std::vector<std::string> stamps_buffer(chunksize);
-      std::vector<int64_t> ids_buffer(chunksize);
-
-      nix::NDSize offset(1, 0);
-      nix::NDSize current_shape(initial_shape);
-      nix::NDSize chunk_shape(1, chunksize);
-
+      videoWriter.SetParameter((uint32_t)videoSpecs.width, (uint32_t)videoSpecs.height, 
+                               videoSpecs.pixelType, (double)videoSpecs.fps, videoSpecs.quality);
+      videoWriter.Open(videoSpecs.filename.c_str());
       qDebug() << "preparations done, starting loop!";
       while ((!stop_request || buffer->bufferLoad() > 0) && !stopNow) {
           if (buffer->bufferLoad() > 0 ) {
             size_t framecount = 0;
             MyImage *img = buffer->read(framecount);
             if (img != nullptr) {
-              if (videoSpecs.format == VideoFormat::raw) {
-                myFile.write((char*)img->data(), img->size());
-              } else {
-                Pylon::CPylonImage pyImage;
-                try {
-                  pyImage.AttachUserBuffer(img->data(), videoSpecs.width * videoSpecs.height, videoSpecs.pixelType, videoSpecs.width, videoSpecs.height, 0, videoSpecs.orientation);
-                  videoWriter.Add(pyImage);
-                } catch (const Pylon::GenericException &e) {
-                  std::cerr << "Writer::run: An exception occurred." << std::endl << e.GetDescription() << std::endl;
-                }
-              }
-              if (count < chunksize) {
-                try {
-                  stamps_buffer[count] = nix::util::timeToStr(img->timestamp());
-                } catch (...) {
-                  std::cerr << "Bad time to string conversion " << img->timestamp() << std::endl;
-                  stamps_buffer[count] = "invalid";
-                }
-                ids_buffer[count] = img->index();
-                count ++;
-              } else {
-                frametimes.setData(nix::DataType::String, stamps_buffer.data(), chunk_shape, offset);
-                frameindices.setData(nix::DataType::Int64, ids_buffer.data(), chunk_shape, offset);
-                current_shape += initial_shape;
-                frametimes.dataExtent(current_shape);
-                frameindices.dataExtent(current_shape);
-                offset[0] += chunksize;
-                count = 0;
+              Pylon::CPylonImage pyImage;
+              try {
+                pyImage.AttachUserBuffer(img->data(), videoSpecs.width * videoSpecs.height, videoSpecs.pixelType, videoSpecs.width, videoSpecs.height, 0, videoSpecs.orientation);
+                videoWriter.Add(pyImage);
+              } catch (const Pylon::GenericException &e) {
+                std::cerr << "Writer::run: An exception occurred." << std::endl << e.GetDescription() << std::endl;
               }
             }
           } else {
             while (buffer->bufferLoad() < 1 && !stop_request) {
-              msleep(5);
+              msleep(2);
             }
           }
         }
-        if (count > 0) {
-            chunk_shape[0] = count;
-            frametimes.setData(nix::DataType::String, stamps_buffer.data(), chunk_shape, offset);
-            frameindices.setData(nix::DataType::Int64, ids_buffer.data(), chunk_shape, offset);
-        }
         videoWriter.Close();
-        myFile.close();
-        nix_file.close();
     } else {
-      std::cerr << "Got no video specifications, not writing!" << std::endl;
+      qDebug() << "Got no video specifications, not writing!";
     }
   emit writingDone();
 }