diff --git a/videoview.cpp b/videoview.cpp index 00f224af80ac3af0c6af3bf33385a2803bcbe9a4..0e0b2d43898f932edcb5429d89e112186906c1a3 100644 --- a/videoview.cpp +++ b/videoview.cpp @@ -230,6 +230,9 @@ VideoView::showContextMenu(const QPoint& position) connect(deviceAction, &QAction::triggered, [this, deviceName]() { auto device = deviceName.toStdString(); + if (LRCInstance::avModel().getCurrentVideoCaptureDevice() == device) { + return; + } resetPreview(); LRCInstance::avModel().switchInputTo(device); LRCInstance::avModel().setCurrentVideoCaptureDevice(device);