Computing mvCol, with some pretty lightweight code thanks to a new mb address convention.
Tidying up P/B_Skip initialisation.
Tidying the parsing of mb_type, with a really cool variable duo (Pred_LX,mvd_flags).
Mood is getting way better as I begin to see the full picture of Inter prediction (Dear diary...).
Tidying ref_idx_lx and mvd_lx parsing.
Added motion vector copying for 4x8, 8x4, 16x8 and 8x16 blocks.
Computation of posA/B/C for the median mv is a tough battle ahead.