'mini_object != NULL' caused by jpegparse

Andrew Silby asilby at yahoo.com
Fri Mar 18 10:52:11 UTC 2022

Hi All,

I'm using gstreamer 1.20.1 on Ubuntu 20.04.4 LTS


This pipeline fails:

gst-launch-1.0 v4l2src device=/dev/video0 ! image/jpeg, width=3840,
height=2160, framerate=24/1 ! queue ! jpegparse  ! fakesink


with a looping error of:

(gst-launch-1.0:1911): GStreamer-CRITICAL **: 10:39:59.429:
gst_mini_object_unref: assertion 'mini_object != NULL' failed


This pipeline on the same machine/source works:

gst-launch-1.0 v4l2src device=/dev/video0 ! image/jpeg, width=1920,
height=1080, framerate=24/1 ! queue ! jpegparse  ! fakesink


By just changing the image height and width seems to create the issue. The
/dev/video0 device is a Logitech Brio 4k camera.


Any ideas please?



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