libavcodec/h264pred.c:977: error: Uninitialized Value
  The value read from l7 was never initialized.

libavcodec/h264pred.c:977:41: 
975.     SRC(3,7)=SRC(4,5)=SRC(4,6)=SRC(4,7)=SRC(5,5)=
976.     SRC(5,6)=SRC(5,7)=SRC(6,4)=SRC(6,5)=SRC(6,6)=
977.     SRC(6,7)=SRC(7,4)=SRC(7,5)=SRC(7,6)=SRC(7,7)= l7;
                                             ^
978. }
979. #undef PREDICT_8x8_LOAD_LEFT
