tce-load -i compiletc rust git gst-plugins-base-dev gtk4-dev dav1d-dev

wget https://gitlab.freedesktop.org/gstreamer/gst-plugins-rs/-/archive/gstreamer-1.28.6/gst-plugins-rs-gstreamer-1.28.6.tar.gz

cd gst-plugins-rs-gstreamer-1.28.6

cargo build --package gst-plugin-dav1d --release
sudo install -vm755 target/release/libgstdav1d.so /usr/local/lib/gstreamer-1.0

cargo build --package gst-plugin-gtk4 --release [4m 53s]
sudo install -vm755 target/release/libgstgtk4.so /usr/local/lib/gstreamer-1.0

[test with gst-launch-1.0 videotestsrc num-buffers=60 ! gtk4paintablesink]