git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@26164 b3059339-0415-0410-9bf9-f77b7e298cf2
common functions for channel reordering. This fixes these modules by adding channel reordering code for 5.0/5.1 audio: ao: pcm ad: dmo, faad, ffmpeg(ac3, dca, libfaad, liba52), pcm ae: faac, lavc(ac3, libfaac), pcm git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@25343 b3059339-0415-0410-9bf9-f77b7e298cf2