can't unmerge gstreamer - ugly
public text v1 · immutable[blocks B ] <media-libs/gst-plugins-ugly-0.10.6-r1 (is blocking media-libs/gstreamer-0.10.17)
Total: 131 packages (118 upgrades, 1 downgrade, 9 new, 3 in new slots, 1 block), Size of downloads: 588,112 kB
!!! Error: The above package list contains packages which cannot be installed
!!! at the same time on the same system.
gstreamer is not on the system either.