libavcodec/h264pred.c:805: error: Uninitialized Value
  The value read from l7 was never initialized.

libavcodec/h264pred.c:805:5: 
803.     PREDICT_8x8_LOAD_LEFT;
804.     PREDICT_8x8_LOAD_TOP;
805.     const uint32_t dc = ((l0+l1+l2+l3+l4+l5+l6+l7
         ^
806.                          +t0+t1+t2+t3+t4+t5+t6+t7+8) >> 4) * 0x01010101;
807.     PREDICT_8x8_DC(dc);
