Getting error while opening file with gstreamer in OpenCV

Asked Jul 20 '20 at 11:21

Active Feb 02 '23 at 12:43

Viewed 1,551 times

I am getting error while opening file with gstreamer in opencv below is my pipeline. I have searched on internet any try all possible things but nothing is working for me.

ERROR

[ WARN:0] OpenCV | GStreamer warning: unable to query duration of stream
[ WARN:0] OpenCV | GStreamer warning: Cannot query video position: status=1, value=1, duration=-1

cv::VideoCapture capture("filesrc location=a.mp4  ! qtdemux ! queue ! h264parse ! v4l2h264dec ! videoconvert ! video/x-raw,format=GRAY8 ,width=1280,height=720 !  appsink",CAP_GSTREAMER);

edited Feb 02 '23 at 12:43

Christoph Rackwitz

11,317
4
27
36

asked Jul 20 '20 at 11:21

Parag Jain

1

Where is ```CAP_GSTREAMER``` at the end? – Yunus Temurlenk Jul 20 '20 at 11:39
that was typo error i have corrected it – Parag Jain Jul 20 '20 at 11:41
2

Try the GStreamer pipeline with `gst-launch-1.0` first. – mibrahimy Jul 20 '20 at 11:42
with that it is working fine – Parag Jain Jul 20 '20 at 11:43

Getting error while opening file with gstreamer in OpenCV

0 Answers0