static const int dc_q_lookup[128] =
{
    4,    5,    6,    7,    8,    9,    10,   10,
    11,   12,   13,   14,   15,   16,   17,   17,
    18,   19,   20,   20,   21,   21,   22,   22,
    23,   23,   24,   25,   25,   26,   27,   28,
    29,   30,   31,   32,   33,   34,   35,   36,
    37,   37,   38,   39,   40,   41,   42,   43,
    44,   45,   46,   46,   47,   48,   49,   50,
    51,   52,   53,   54,   55,   56,   57,   58,
    59,   60,   61,   62,   63,   64,   65,   66,
    67,   68,   69,   70,   71,   72,   73,   74,
    75,   76,   76,   77,   78,   79,   80,   81,
    82,   83,   84,   85,   86,   87,   88,   89,
    91,   93,   95,   96,   98,   100,  101,  102,
    104,  106,  108,  110,  112,  114,  116,  118,
    122,  124,  126,  128,  130,  132,  134,  136,
    138,  140,  143,  145,  148,  151,  154,  157
};
static const int ac_q_lookup[128] =
{
    4,    5,    6,    7,    8,    9,    10,   11,
    12,   13,   14,   15,   16,   17,   18,   19,
    20,   21,   22,   23,   24,   25,   26,   27,
    28,   29,   30,   31,   32,   33,   34,   35,
    36,   37,   38,   39,   40,   41,   42,   43,
    44,   45,   46,   47,   48,   49,   50,   51,
    52,   53,   54,   55,   56,   57,   58,   60,
    62,   64,   66,   68,   70,   72,   74,   76,
    78,   80,   82,   84,   86,   88,   90,   92,
    94,   96,   98,   100,  102,  104,  106,  108,
    110,  112,  114,  116,  119,  122,  125,  128,
    131,  134,  137,  140,  143,  146,  149,  152,
    155,  158,  161,  164,  167,  170,  173,  177,
    181,  185,  189,  193,  197,  201,  205,  209,
    213,  217,  221,  225,  229,  234,  239,  245,
    249,  254,  259,  264,  269,  274,  279,  284
};