--- transcode.spec~	2010-09-14 12:34:37.000000000 +0400
+++ transcode.spec	2011-05-07 03:56:39.000000000 +0400
@@ -156,7 +156,10 @@ install -m644 %SOURCE2 filter/
 %{subst_enable alsa} \
 %{subst_enable xvid} \
 %{subst_enable x264} \
-%{subst_enable libmpeg2} \
+%if_enabled libmpeg2
+--enable-libmpeg2 \
+--enable-libmpeg2convert \
+%endif
 %{subst_enable freetype2}
 
 %make_build