- preliminary support for mpeg4-aac rtp payload (no interleaving support)
  - use udp transport as default (makes more sense with rtp, doesn't it ?)
  - some code factorization, so adding support for new rtp payload will be easier
  (I hope ;-)
patch by (Romain DEGEZ: romain degez, smartjog com)


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@4306 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b