Hey,
Looked at the link and I saw nvv4l2h264enc is missing features like vbv-size which the omx seems to have
Also found this
https://forums.developer.nvidia.com/t/constant-bitrate-help/45736#:~:text=1.5mbps%20can%20be%20the,it%20hits%20the%20compression%20limit.
It seems it may be impossible to set very low bitrate on high resolutions and frame rates?
we would need to be able to go down to atleast 200kbps
would stringent bitrate add filler data to reach desired bitrate even with a blackscreen/low bitrate video input?