No element "nvvidconv" in JetPack 4.6

Hi, I was using Jetpack 4.4 and migrating to JetPack4.6. I am trying to stream the camera frames to remote device using gstreamer. It was not streaming. I debugged it and I found that some elements are missing in the J4.6. Below is the log

0:00:00.398880000  1997   0x7ed01a60a0 ERROR           GST_PIPELINE grammar.y:816:priv_gst_parse_yyparse: no element "nvvidconv"
0:00:00.398957826  1997   0x7ed01a60a0 ERROR           GST_PIPELINE grammar.y:901:priv_gst_parse_yyparse: link has no sink [source=@0x7eb4016340]
0:00:00.399058117  1997   0x7ed01a60a0 ERROR           GST_PIPELINE grammar.y:816:priv_gst_parse_yyparse: no element "nvv4l2h265enc"
0:00:00.399105543  1997   0x7ed01a60a0 ERROR           GST_PIPELINE grammar.y:901:priv_gst_parse_yyparse: link has no source [sink=@(nil)]

gst-inspect-1.0 nvvidconv
No such element or plugin 'nvvidconv'

Is there any reason these elements are missing? Do I have to install it externally?

Hi,
Please clean the cache and check again:

$ rm .cache/gstreamer-1.0/registry.aarch64.bin

If you still cannot see the plugins, please refer to the list in gstreamer user guide and check if these prebuilt libs are not in

/usr/lib/aarch64-linux-gnu/gstreamer-1.0

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