Exemplo n.º 1
0
static void lower_mv_precision(MV *mv, int allow_hp) {
  const int use_hp = allow_hp && vp10_use_mv_hp(mv);
  if (!use_hp) {
    if (mv->row & 1)
      mv->row += (mv->row > 0 ? -1 : 1);
    if (mv->col & 1)
      mv->col += (mv->col > 0 ? -1 : 1);
  }
}
Exemplo n.º 2
0
static INLINE void read_mv(vpx_reader *r, MV *mv, const MV *ref,
                           const nmv_context *ctx,
                           nmv_context_counts *counts, int allow_hp) {
  const MV_JOINT_TYPE joint_type =
      (MV_JOINT_TYPE)vpx_read_tree(r, vp10_mv_joint_tree, ctx->joints);
  const int use_hp = allow_hp && vp10_use_mv_hp(ref);
  MV diff = {0, 0};

  if (mv_joint_vertical(joint_type))
    diff.row = read_mv_component(r, &ctx->comps[0], use_hp);

  if (mv_joint_horizontal(joint_type))
    diff.col = read_mv_component(r, &ctx->comps[1], use_hp);

  vp10_inc_mv(&diff, counts, use_hp);

  mv->row = ref->row + diff.row;
  mv->col = ref->col + diff.col;
}