libavcodec/h264pred.c:174: error: Uninitialized Value
  The value read from t3 was never initialized.

libavcodec/h264pred.c:174:5: 
172.     src[3+2*stride]=
173.     src[2+3*stride]=
174.     src[3+3*stride]=(l3 + t3)>>1;
         ^
175. }
176. 
