i use these
https://kodi.wiki/view/Samples broadcast is a real world file
and yes even for me something is happening which should not happening.
10 bit UHD 59p is only 2.5 times the copyback work of 10 bit UHD 23p but i get far far more CPU usages then 2.5 times.
while i have a 4K TV you don't need one testing with DSR is fine too.