static int dnxhd_decode_dct_block_12(const DNXHDContext *ctx,
                                     RowContext *row, int n)
{
    return dnxhd_decode_dct_block(ctx, row, n, 6, 8, 4, 2);
}
static int dnxhd_decode_dct_block_12(const DNXHDContext *ctx,
                                     RowContext *row, int n)
{
    return dnxhd_decode_dct_block(ctx, row, n, 6, 8, 4, 2);
}