The following code causes cameraWidget to display all black. videotestsrc
works fine, as does the following from the command-line. Any help would be
greatly appreciated.
gst-launch-1.0 imxv4l2videosrc ! imxg2dvideosink \
output-rotation=1 window-x-coord=470 \
window-width=650 window-height=720 \
framebuffer=/dev/fb1 force-aspect-ratio=false
QGst::init(NULL, nullptr);
src = QGst::ElementFactory::make("imxv4l2videosrc");
//src = QGst::ElementFactory::make("videotestsrc");
sink = QGst::ElementFactory::make("qwidget5videosink");
pipeline = QGst::Pipeline::create();
pipeline->add(src);
pipeline->add(sink);
if(src->link(sink) == false)
qDebug("Link failed");
cameraWidget = new QGst::Ui::VideoWidget(this);
cameraWidget->setVideoSink(sink);
cameraWidget->setGeometry(0, 0, 480, 425);
ui->verticalLayout->addWidget(cameraWidget);
pipeline->setState(QGst::StatePlaying);
cameraWidget->show();
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