libavcodec/h264pred.c:150: error: Uninitialized Value
  The value read from t6 was never initialized.

libavcodec/h264pred.c:150:5: 
148.     src[3+2*stride]=
149.     src[2+3*stride]=(t5 + t7 + 2*t6 + 2)>>2;
150.     src[3+3*stride]=(t6 + 3*t7 + 2)>>2;
         ^
151. }
152. 
