+# package the grep result for mplayer, the result formatted as ./mplayer/configure
+cat <<EOF > ffmpeg-avconfig
+#! /bin/sh
+_libavdecoders_all="`sed -n 's/^[^#]*DEC.*(.*, *\(.*\)).*/\1_decoder/p' libavcodec/allcodecs.c | tr '[a-z]' '[A-Z]'`"
+_libavencoders_all="`sed -n 's/^[^#]*ENC.*(.*, *\(.*\)).*/\1_encoder/p' libavcodec/allcodecs.c | tr '[a-z]' '[A-Z]'`"
+_libavparsers_all="`sed -n 's/^[^#]*PARSER.*(.*, *\(.*\)).*/\1_parser/p' libavcodec/allcodecs.c | tr '[a-z]' '[A-Z]'`"
+_libavbsfs_all="`sed -n 's/^[^#]*BSF.*(.*, *\(.*\)).*/\1_bsf/p' libavcodec/allcodecs.c | tr '[a-z]' '[A-Z]'`"
+_libavdemuxers_all="`sed -n 's/^[^#]*DEMUX.*(.*, *\(.*\)).*/\1_demuxer/p' libavformat/allformats.c | tr '[a-z]' '[A-Z]'`"
+_libavmuxers_all="`sed -n 's/^[^#]*_MUX.*(.*, *\(.*\)).*/\1_muxer/p' libavformat/allformats.c | tr '[a-z]' '[A-Z]'`"
+_libavprotocols_all="`sed -n 's/^[^#]*PROTOCOL.*(.*, *\(.*\)).*/\1_protocol/p' libavformat/allformats.c | tr '[a-z]' '[A-Z]'`"
+EOF
+cat <<'EOF' >> ffmpeg-avconfig
+
+case "$1" in
+--decoders)
+ echo $_libavdecoders_all
+ ;;
+--encoders)
+ echo $_libavencoders_all
+ ;;
+--parsers)
+ echo $_libavparsers_all
+ ;;
+--bsfs)
+ echo $_libavbsfs_all
+ ;;
+--demuxers)
+ echo $_libavdemuxers_all
+ ;;
+--muxers)
+ echo $_libavmuxers_all
+ ;;
+--protocols)
+ echo $_libavprotocols_all
+ ;;
+*)
+ cat <<USAGE
+Usage: $0 [OPTION]
+Options:
+ --decoders
+ --encoders
+ --parsers
+ --bsfs
+ --demuxers
+ --muxers
+ --protocols
+USAGE
+ exit 1;;
+esac
+
+exit 0
+EOF
+