libavcodec/h264.c:1976: error: Uninitialized Value
  The value read from dest[_] was never initialized.

libavcodec/h264.c:1976:17: 
1974.         if(mb_y&1) //FIXME move out of this function?
1975.             for (p = 0; p < 3; p++)
1976.                 dest[p] -= s->linesize*15;
                      ^
1977.         if(FRAME_MBAFF) {
1978.             int list;
