Thanks for the development instructions. I will try to get back to this to figure out the problem.
I did make a change that fixes the test pattern but it does not seem to universally fix the issue. I have since found other gstreamer setups that do not work even with this fix in place. Again, it has to do with the way gstreamer is breaking apart (or not breaking part) the H.264 packets. I can seem that VLC is able to stream data in this format but it just doesn’t seem correct to me.
Charlie