I built a source package:
qvqdvdauthor-2.3.1-1.4.58.fc22.src.rpm
If anyone is interested, I can upload it somewhere.
It builds (on my 64 bit F22):
qdvdauthor-2.3.1-1.4.58.fc22.x86_64.rpm
qdvdauthor-dv2sub-2.3.1-1.4.58.fc22.x86_64.rpm
qdvdauthor-debuginfo-2.3.1-1.4.58.fc22.x86_64.rpm