ref: a3cd9d6083f95a7442935c6f623c7655447215a4 dir: /appl/wm/mpeg/c4.tab/
# vlc -cfp c4 c4_size: con 4; c4_bits: con 2; c4_table:= array[] of { (1,16), (-1,16), (2,5), (-2,5), };