libavcodec/h264pred.c:254: error: Uninitialized Value
  The value read from t1 was never initialized.

libavcodec/h264pred.c:254:5: 
252.     src[1+2*stride]=(lt + t0 + 1)>>1;
253.     src[1+0*stride]=
254.     src[2+2*stride]=(t0 + t1 + 1)>>1;
         ^
255.     src[2+0*stride]=
256.     src[3+2*stride]=(t1 + t2 + 1)>>1;
