+########################################################################### faad
+have_faad=yes
+AC_CHECK_HEADER(neaacdec.h, [], have_faad=no)
+AC_CHECK_LIB([faad], [NeAACDecOpen], [], have_faad=no)
+if test "$have_faad" = "yes"; then
+ AC_DEFINE(HAVE_FAAD, 1, define to 1 if you want to build the aacdec filter)
+ filter_errlist_objs="$filter_errlist_objs aacdec"
+ audiod_errlist_objs="$audiod_errlist_objs aacdec"
+ filter_ldflags="$filter_ldflags -lfaad"
+ audiod_ldflags="$audiod_ldflags -lfaad"
+else
+ AC_MSG_WARN([no aac support in para_audiod/para_filter])
+fi