libavcodec/h264pred.c:407: error: Uninitialized Value
  The value read from l1 was never initialized.

libavcodec/h264pred.c:407:5: 
405.     src[3+0*stride]=(t0 + 2*t1 + t2 + 2)>>2;
406.     src[0+1*stride]=
407.     src[2+2*stride]=(l0 + l1 + 1)>>1;
         ^
408.     src[1+1*stride]=
409.     src[3+2*stride]=(lt + 2*l0 + l1 + 2)>>2;
