libavcodec/h264pred.c:339: error: Uninitialized Value
  The value read from t3 was never initialized.

libavcodec/h264pred.c:339:5: 
337.     src[0+2*stride]=(t1 + t2 + 1)>>1;
338.     src[2+0*stride]=
339.     src[1+2*stride]=(t2 + t3 + 1)>>1;
         ^
340.     src[3+0*stride]=
341.     src[2+2*stride]=(t3 + t4 + 1)>>1;
