Encoder h264 tx2 get qp-range not working

I am trying to set and get from qp-range parameter using nvv4l2h264enc element in gstreamer using tx2 jetson.
I succeed to set qp-range parameter BUT when I try to get the parameter value after I set it I get empty string
Any idea why is it?

Hi,
The function of get qp-range is not implemented. The source code is public and you can manually build the plugins. You may download the source code and do implementation.

Please download the source code from

Jetson Linux R32.7.4 | NVIDIA Developer
Driver Package (BSP) Sources

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