* add OSS demuxer & PCM signed 16-bit encoder/decoder for audio output
* add an FFMPEG_PATENTED config item to include support for patented codecs - need help to spot them
* fix IPv6 support
git-svn-id: svn://svn.openwrt.org/openwrt/packages@21816 3c298f89-4303-0410-b956-a3cf2f4a3e73