libavcodec/h264pred.c:210: error: Uninitialized Value
  The value read from l2 was never initialized.

libavcodec/h264pred.c:210:5: 
208.     src[2+0*stride]=
209.     src[1+1*stride]=
210.     src[0+2*stride]=(l2 + l4 + 2*l3 + 2)>>2;
         ^
211.     src[3+0*stride]=
212.     src[2+1*stride]=
