I believe your writeup is about enabling Glamor; it does not do anything to enable the H.264 "Clear Codec" branch of XRDP.
Apologies in advance if I'm wrong here, please correct me if I'm mistaken :)
Apologies in advance if I'm wrong here, please correct me if I'm mistaken :)
But I have many more posts on RDP (check the footer back links)
If there is evidence indicating this is actually the case, please let me know.