Don't use the old gstreamer0.10 in BuildRequires. The resulting package has no runtime deps on gstreamer. I can't quite understand why it is needed during the build.
http://git.altlinux.org/tasks/archive/done/_196/201383/build/3000/x86_64/chroot_BR : gstreamer-devel 0.10.36-alt1 x86_64 gstreamer-0.10.36-alt1.src.rpm d01e3db1497481bb786500ff4c8f651f8f11bb9e