Erroneous pipeline: no element "nvv4l2decoder"

I want to use nvv4l2decoder plugin for decoding rtsp stream in docker container on jetson nano with emmc 16gb (use Jetpack 4.6.1 without installed libraries).

I’m trying install gstreamer 1.14.5 according to instructions (To build GStreamer using gst-install), using dockerfile from this post as base.
After install,

gst-inspect-1.0 nvv4l2decoder

output is

No such element or plugin ‘nvv4l2decoder’

In docker container output of this command is same.
How can i build gstreamer in docker image with v4l2 pligins for encoding and decoding rtsp stream using HW acceleration?


Please refer to this post:
Flashing Jetson nano EMMC (16GB) give full space in EMMC storage - #12 by Robert_Hoang

16GB is limited for running docker and please follow the steps for a try.

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