libavcodec/h264pred.c:342: error: Uninitialized Value
  The value read from t1 was never initialized.

libavcodec/h264pred.c:342:5: 
340.     src[3+0*stride]=
341.     src[2+2*stride]=(t3 + t4 + 1)>>1;
342.     src[0+1*stride]=(t0 + 2*t1 + t2 + 2)>>2;
         ^
343.     src[1+1*stride]=
344.     src[0+3*stride]=(t1 + 2*t2 + t3 + 2)>>2;
