* Introducing IIDC1394 grabbing interface.
     Use it with -grab dc1394

   * Introducing yet another packed pix_fmt in order to support some of
     the IIDC1394 modes: uyvy411 (Cb Y0 Y1 Cr Y2 Y3).


git-svn-id: file:///var/local/repositories/ffmpeg/trunk@3621 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b