Hi all. We are using driver for imx477 on jetpack 4.5. We can open camera using gst-launch-1.0, but failed at using cv::videoCapture and appsink. It always said [ WARN:0] OpenCV | GStreamer warning: Cannot query video position: status=0, value=-1, duration=-1 The gst command is gst-launch-1.0 \…

Opencv videocapture can not access camera

DaneLLL March 4, 2021, 5:40am 3

Hi,
Please refer to this sample:
OpenCV Video Capture with GStreamer doesn't work on ROS-melodic - #3 by DaneLLL
You can run the default sample first. If it runs successfully, please change to desired resolution/framerate and try again.

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