diff options
Diffstat (limited to 'src/qcam/main_window.cpp')
| -rw-r--r-- | src/qcam/main_window.cpp | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/src/qcam/main_window.cpp b/src/qcam/main_window.cpp index d6136910..b2f3a1f3 100644 --- a/src/qcam/main_window.cpp +++ b/src/qcam/main_window.cpp @@ -28,6 +28,7 @@ MainWindow::MainWindow(const OptionsParser::Options &options) title_ = "QCam " + QString::fromStdString(libcamera::version); setWindowTitle(title_); + connect(&titleTimer_, SIGNAL(timeout()), this, SLOT(updateTitle())); viewfinder_ = new ViewFinder(this); setCentralWidget(viewfinder_); @@ -54,6 +55,19 @@ MainWindow::~MainWindow() CameraManager::instance()->stop(); } +void MainWindow::updateTitle() +{ + unsigned int duration = frameRateInterval_.elapsed(); + unsigned int frames = framesCaptured_ - previousFrames_; + double fps = frames * 1000.0 / duration; + + /* Restart counters. */ + frameRateInterval_.start(); + previousFrames_ = framesCaptured_; + + setWindowTitle(title_ + " : " + QString::number(fps, 'f', 2) + " fps"); +} + int MainWindow::openCamera() { CameraManager *cm = CameraManager::instance(); @@ -148,6 +162,10 @@ int MainWindow::startCapture() requests.push_back(request); } + titleTimer_.start(2000); + frameRateInterval_.start(); + previousFrames_ = 0; + framesCaptured_ = 0; lastBufferTime_ = 0; ret = camera_->start(); @@ -188,6 +206,9 @@ void MainWindow::stopCapture() isCapturing_ = false; config_.reset(); + + titleTimer_.stop(); + setWindowTitle(title_); } void MainWindow::requestComplete(Request *request, @@ -196,6 +217,8 @@ void MainWindow::requestComplete(Request *request, if (request->status() == Request::RequestCancelled) return; + framesCaptured_++; + Buffer *buffer = buffers.begin()->second; double fps = buffer->timestamp() - lastBufferTime_; |