Deesptream v4l2src pipeline error

Accelerated Computing Intelligent Video Analytics DeepStream SDK
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from the error, the camera parameters are incorrect.
can you check the device format by this command? v4l2-ctl -d /dev/video0 --list-formats-ext, the fill the correct source values in the configuration file.
Or, if gst-launch-1.0 command is fine, you might dump the pipeline to check the negotiation results, then modify the source values in configuration file. here is dumping method.

  1. set gstreamer GST_DEBUG_DUMP_DOT_DIR, for example, export GST_DEBUG_DUMP_DOT_DIR=/home/nvidia
  2. execute gst-launch command, for example, gst-launch-1.0 xxx -e
  3. use this methodview dot to see the dot file in /home/nvidia.