libavcodec/h264pred.c:345: error: Uninitialized Value
  The value read from l3 was never initialized.

libavcodec/h264pred.c:345:5: 
343.     src[2+2*stride]=
344.     src[2+3*stride]=
345.     src[3+3*stride]=l3;
         ^
346. }
347. 
