print_enabled '' $EXTERNAL_LIBRARY_LIST | print_3_columns
echo
+echo "Libraries:"
+print_enabled '' $LIBRARY_LIST | print_3_columns
+echo
+
for type in decoder encoder hwaccel parser demuxer muxer protocol filter bsf indev outdev; do
echo "Enabled ${type}s:"
eval list=\$$(toupper $type)_LIST