libavcodec/h264pred.c:121: error: Uninitialized Value
  The value read from t0 was never initialized.

libavcodec/h264pred.c:121:5: 
119.     src[1+1*stride]=
120.     src[2+2*stride]=
121.     src[3+3*stride]=(l0 + 2*lt + t0 + 2)>>2;
         ^
122.     src[1+0*stride]=
123.     src[2+1*stride]=
