# GStreamer warning: Cannot query video position: status=0, value=-1, duration=-1

**URL:** <https://forum.opencv.org/t/gstreamer-warning-cannot-query-video-position-status-0-value-1-duration-1/14001>\
**Category:** Uncategorized\
**Created:** [July 23, 2023, 7:52pm UTC](https://forum.opencv.org/t/gstreamer-warning-cannot-query-video-position-status-0-value-1-duration-1/14001 "2023-07-23T19:52:36Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![kapabahwuk](https://avatars.discourse-cdn.com/v4/letter/k/e274bd/32.png) [@kapabahwuk](https://forum.opencv.org/u/kapabahwuk)\
**Post date:** [July 23, 2023, 7:52pm UTC](https://forum.opencv.org/t/gstreamer-warning-cannot-query-video-position-status-0-value-1-duration-1/14001/1 "2023-07-23T19:52:36Z")

</div>

Using Ubuntu/QtCreator/OpenCV/HDMI\_Capture\_Device/  
cv::VideoCapture cap(0)  
getting the warning, which takes some execution time

./modules/videoio/src/cap\_gstreamer.cpp (935) open OpenCV | GStreamer warning: Cannot query video position: status=0, value=-1, duration=-1

How to fix above?