ARITH2_PADDING    480 libavcodec/mss2.c                ARITH2_PADDING + (MIN_CACHE_BITS + 7) / 8);
ARITH2_PADDING    528 libavcodec/mss2.c         bytestream2_init(&gB, buf, buf_size + ARITH2_PADDING);
ARITH2_PADDING    663 libavcodec/mss2.c             bytestream2_init(&gB, buf, buf_size + ARITH2_PADDING);
ARITH2_PADDING    676 libavcodec/mss2.c                 bytestream2_init(&gB, buf, buf_size + ARITH2_PADDING);