libavcodec/h264pred.c:871: error: Uninitialized Value
  The value read from t7 was never initialized.

libavcodec/h264pred.c:871:5: 
869.     SRC(5,0)=SRC(6,1)=SRC(7,2)= (t3 + 2*t4 + t5 + 2) >> 2;
870.     SRC(6,0)=SRC(7,1)= (t4 + 2*t5 + t6 + 2) >> 2;
871.     SRC(7,0)= (t5 + 2*t6 + t7 + 2) >> 2;
         ^
872. 
873. }
