HALF 535 libavcodec/bgmc.c if (high >= HALF) { HALF 536 libavcodec/bgmc.c if (low >= HALF) { HALF 537 libavcodec/bgmc.c value -= HALF; HALF 538 libavcodec/bgmc.c low -= HALF; HALF 539 libavcodec/bgmc.c high -= HALF;