libavcodec/h264pred.c:147: error: Uninitialized Value
  The value read from t5 was never initialized.

libavcodec/h264pred.c:147:5: 
145.     src[3+1*stride]=
146.     src[2+2*stride]=
147.     src[1+3*stride]=(t4 + t6 + 2*t5 + 2)>>2;
         ^
148.     src[3+2*stride]=
149.     src[2+3*stride]=(t5 + t7 + 2*t6 + 2)>>2;
