SAB_CHECK_MV      907 libavcodec/motion_est_template.c         SAB_CHECK_MV(x-1, y)
SAB_CHECK_MV      908 libavcodec/motion_est_template.c         SAB_CHECK_MV(x+1, y)
SAB_CHECK_MV      909 libavcodec/motion_est_template.c         SAB_CHECK_MV(x  , y-1)
SAB_CHECK_MV      910 libavcodec/motion_est_template.c         SAB_CHECK_MV(x  , y+1)