You didn’t look at my debdiff, did you? libavfilter-extra-1 0.6~svn20100505-1ubuntu4 is still empty. You need to rename debian/libavfilter-extra-0.install to debian/libavfilter-extra-1.install.
You didn’t look at my debdiff, did you? libavfilter-extra-1 0.6~svn20100505 -1ubuntu4 is still empty. You need to rename debian/ libavfilter- extra-0. install to debian/ libavfilter- extra-1. install.