libavcodec/h264pred.c:112: error: Uninitialized Value
  The value read from l2 was never initialized.

libavcodec/h264pred.c:112:5: 
110.     LOAD_LEFT_EDGE
111. 
112.     src[0+3*stride]=(l3 + 2*l2 + l1 + 2)>>2;
         ^
113.     src[0+2*stride]=
114.     src[1+3*stride]=(l2 + 2*l1 + l0 + 2)>>2;
