Not finding gstreamer hardware accelerated encoding/decoding plugins in default Debian image

Hardware: Hummingboard Pulse with iMX8 Plus (SKU SRMP8QDWB1D01GE008U03CH)
Image: sr-imx8-debian-bullseye-20220227-cli-imx8mp-sdhc-hummingboard-pulse.img.xz

I installed gstreamer with sudo apt-get install gstreamer1.0-plugins-base gstreamer1.0-plugins-good gstreamer1.0-plugins-bad gstreamer1.0-plugins-ugly gstreamer1.0-libav libgstreamer1.0-dev libgstreamer-plugins-base1.0-dev libgstreamer-plugins-bad1.0-dev gstreamer1.0-tools gstreamer1.0-x

However, gst-inspect-1.0 is not listing anything indicating hardware video encode/decode.

debian@sr-imx8:~$ gst-inspect-1.0 | grep vpu
debian@sr-imx8:~$ gst-inspect-1.0 | grep v4l2
video4linux2:  v4l2deviceprovider (GstDeviceProviderFactory)
video4linux2:  v4l2radio: Radio (video4linux2) Tuner
video4linux2:  v4l2sink: Video (video4linux2) Sink
video4linux2:  v4l2src: Video (video4linux2) Source

In particular, I am looking for v4l2 h264/265 encoding, or the “vpudec” etc. proprietary encoders/decoders. This page i.MX8 - Multimedia - GStreamer Support - Hardware-accelerated plugins ( indicates that this is possible with the same chip or even SOM.