libavcodec/h264pred.c:324: error: Uninitialized Value
  The value read from l3 was never initialized.

libavcodec/h264pred.c:324:5: 
322.     LOAD_LEFT_EDGE
323. 
324.     pred4x4_vertical_left_rv40(src, topright, stride, l0, l1, l2, l3, l3);
         ^
325. }
326. 
