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      1 /******************************************************************************
      2  *
      3  * Copyright (C) 2015 The Android Open Source Project
      4  *
      5  * Licensed under the Apache License, Version 2.0 (the "License");
      6  * you may not use this file except in compliance with the License.
      7  * You may obtain a copy of the License at:
      8  *
      9  * http://www.apache.org/licenses/LICENSE-2.0
     10  *
     11  * Unless required by applicable law or agreed to in writing, software
     12  * distributed under the License is distributed on an "AS IS" BASIS,
     13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14  * See the License for the specific language governing permissions and
     15  * limitations under the License.
     16  *
     17  *****************************************************************************
     18  * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore
     19 */
     20 #include "iv_datatypedef.h"
     21 #include "impeg2d_vld_tables.h"
     22 
     23 /* Table to be used for decoding the MB increment value */
     24 const WORD16 gai2_impeg2d_mb_addr_incr[][2] =
     25 {
     26   {1,-33},{3,2},{-31,-32},{5,4},{-29,-30},{7,6},{-27,-28},{13,8},{10,9},
     27   {-25,-26},{12,11},{-23,-24},{-21,-22},{25,14},{16,15},{-19,-20},{20,17},
     28   {19,18},{-17,-18},{-15,-16},{22,21},{-13,-14},{24,23},{-11,-12},{-9,-10},
     29   {34,26},{0,27},{31,28},{30,29},{-7,-8},{-5,-6},{33,32},{-3,-4},{-1,-2},
     30   {0,35},{36,0},{37,0},{-34,0}
     31 };
     32 
     33 /* Table to be used for decoding the MB type in case of P Pictures */
     34 const UWORD16 gau2_impeg2d_p_mb_type[] =
     35 {
     36     0x0100, 0x0611, 0x0512, 0x0512, 0x051a, 0x051a, 0x0501, 0x0501, 0x0308, 0x0308,
     37     0x0308, 0x0308, 0x0308, 0x0308, 0x0308, 0x0308, 0x0202, 0x0202, 0x0202, 0x0202,
     38     0x0202, 0x0202, 0x0202, 0x0202, 0x0202, 0x0202, 0x0202, 0x0202, 0x0202, 0x0202,
     39     0x0202, 0x0202, 0x010a, 0x010a, 0x010a, 0x010a, 0x010a, 0x010a, 0x010a, 0x010a,
     40     0x010a, 0x010a, 0x010a, 0x010a, 0x010a, 0x010a, 0x010a, 0x010a, 0x010a, 0x010a,
     41     0x010a, 0x010a, 0x010a, 0x010a, 0x010a, 0x010a, 0x010a, 0x010a, 0x010a, 0x010a,
     42     0x010a, 0x010a, 0x010a, 0x010a
     43 };
     44 /* Table to be used for decoding the MB type in case of B Pictures */
     45 const UWORD16 gau2_impeg2d_b_mb_type[] =
     46 {
     47     0x0100, 0x0611, 0x0616, 0x061a, 0x053e, 0x053e, 0x0501, 0x0501, 0x0408, 0x0408,
     48     0x0408, 0x0408, 0x040a, 0x040a, 0x040a, 0x040a, 0x0304, 0x0304, 0x0304, 0x0304,
     49     0x0304, 0x0304, 0x0304, 0x0304, 0x0306, 0x0306, 0x0306, 0x0306, 0x0306, 0x0306,
     50     0x0306, 0x0306, 0x022c, 0x022c, 0x022c, 0x022c, 0x022c, 0x022c, 0x022c, 0x022c,
     51     0x022c, 0x022c, 0x022c, 0x022c, 0x022c, 0x022c, 0x022c, 0x022c, 0x022e, 0x022e,
     52     0x022e, 0x022e, 0x022e, 0x022e, 0x022e, 0x022e, 0x022e, 0x022e, 0x022e, 0x022e,
     53     0x022e, 0x022e, 0x022e, 0x022e
     54 };
     55 /* Table to be used for decoding dmvector[t] */
     56 const WORD16 gai2_impeg2d_dec_mv[] =
     57 {
     58     1,-1
     59 };
     60 
     61 /* Tables used for motion code decode */
     62 const UWORD16 gau2_impeg2d_mv_code[] =
     63 {
     64     0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002,
     65     0x0002, 0x0002, 0x0f0a, 0x0e0a, 0x0d0a, 0x0c0a, 0x0b0a, 0x0a0a, 0x0909, 0x0909,
     66     0x0809, 0x0809, 0x0709, 0x0709, 0x0607, 0x0607, 0x0607, 0x0607, 0x0607, 0x0607,
     67     0x0607, 0x0607, 0x0507, 0x0507, 0x0507, 0x0507, 0x0507, 0x0507, 0x0507, 0x0507,
     68     0x0407, 0x0407, 0x0407, 0x0407, 0x0407, 0x0407, 0x0407, 0x0407, 0x0306, 0x0306,
     69     0x0306, 0x0306, 0x0306, 0x0306, 0x0306, 0x0306, 0x0306, 0x0306, 0x0306, 0x0306,
     70     0x0306, 0x0306, 0x0306, 0x0306, 0x0204, 0x0204, 0x0204, 0x0204, 0x0204, 0x0204,
     71     0x0204, 0x0204, 0x0204, 0x0204, 0x0204, 0x0204, 0x0204, 0x0204, 0x0204, 0x0204,
     72     0x0204, 0x0204, 0x0204, 0x0204, 0x0204, 0x0204, 0x0204, 0x0204, 0x0204, 0x0204,
     73     0x0204, 0x0204, 0x0204, 0x0204, 0x0204, 0x0204, 0x0204, 0x0204, 0x0204, 0x0204,
     74     0x0204, 0x0204, 0x0204, 0x0204, 0x0204, 0x0204, 0x0204, 0x0204, 0x0204, 0x0204,
     75     0x0204, 0x0204, 0x0204, 0x0204, 0x0204, 0x0204, 0x0204, 0x0204, 0x0204, 0x0204,
     76     0x0204, 0x0204, 0x0204, 0x0204, 0x0204, 0x0204, 0x0204, 0x0204, 0x0103, 0x0103,
     77     0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103,
     78     0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103,
     79     0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103,
     80     0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103,
     81     0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103,
     82     0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103,
     83     0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103,
     84     0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103,
     85     0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103,
     86     0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103,
     87     0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103,
     88     0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103,
     89     0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0103, 0x0002, 0x0002, 0x0002, 0x0002,
     90     0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002,
     91     0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002,
     92     0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002,
     93     0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002,
     94     0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002,
     95     0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002,
     96     0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002,
     97     0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002,
     98     0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002,
     99     0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002,
    100     0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002,
    101     0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002,
    102     0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002,
    103     0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002,
    104     0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002,
    105     0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002,
    106     0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002,
    107     0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002,
    108     0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002,
    109     0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002,
    110     0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002,
    111     0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002,
    112     0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002,
    113     0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002,
    114     0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002, 0x0002,
    115     0x0002, 0x0002
    116 };
    117 /* Tables used for cbp decode */
    118 const UWORD16 gau2_impeg2d_cbp_code[] =
    119 {
    120     0x0100, 0x0100, 0x0927, 0x091b, 0x093b, 0x0937, 0x092f, 0x091f, 0x083a, 0x083a,
    121     0x0836, 0x0836, 0x082e, 0x082e, 0x081e, 0x081e, 0x0839, 0x0839, 0x0835, 0x0835,
    122     0x082d, 0x082d, 0x081d, 0x081d, 0x0826, 0x0826, 0x081a, 0x081a, 0x0825, 0x0825,
    123     0x0819, 0x0819, 0x082b, 0x082b, 0x0817, 0x0817, 0x0833, 0x0833, 0x080f, 0x080f,
    124     0x082a, 0x082a, 0x0816, 0x0816, 0x0832, 0x0832, 0x080e, 0x080e, 0x0829, 0x0829,
    125     0x0815, 0x0815, 0x0831, 0x0831, 0x080d, 0x080d, 0x0823, 0x0823, 0x0813, 0x0813,
    126     0x080b, 0x080b, 0x0807, 0x0807, 0x0722, 0x0722, 0x0722, 0x0722, 0x0712, 0x0712,
    127     0x0712, 0x0712, 0x070a, 0x070a, 0x070a, 0x070a, 0x0706, 0x0706, 0x0706, 0x0706,
    128     0x0721, 0x0721, 0x0721, 0x0721, 0x0711, 0x0711, 0x0711, 0x0711, 0x0709, 0x0709,
    129     0x0709, 0x0709, 0x0705, 0x0705, 0x0705, 0x0705, 0x063f, 0x063f, 0x063f, 0x063f,
    130     0x063f, 0x063f, 0x063f, 0x063f, 0x0603, 0x0603, 0x0603, 0x0603, 0x0603, 0x0603,
    131     0x0603, 0x0603, 0x0624, 0x0624, 0x0624, 0x0624, 0x0624, 0x0624, 0x0624, 0x0624,
    132     0x0618, 0x0618, 0x0618, 0x0618, 0x0618, 0x0618, 0x0618, 0x0618, 0x053e, 0x053e,
    133     0x053e, 0x053e, 0x053e, 0x053e, 0x053e, 0x053e, 0x053e, 0x053e, 0x053e, 0x053e,
    134     0x053e, 0x053e, 0x053e, 0x053e, 0x0502, 0x0502, 0x0502, 0x0502, 0x0502, 0x0502,
    135     0x0502, 0x0502, 0x0502, 0x0502, 0x0502, 0x0502, 0x0502, 0x0502, 0x0502, 0x0502,
    136     0x053d, 0x053d, 0x053d, 0x053d, 0x053d, 0x053d, 0x053d, 0x053d, 0x053d, 0x053d,
    137     0x053d, 0x053d, 0x053d, 0x053d, 0x053d, 0x053d, 0x0501, 0x0501, 0x0501, 0x0501,
    138     0x0501, 0x0501, 0x0501, 0x0501, 0x0501, 0x0501, 0x0501, 0x0501, 0x0501, 0x0501,
    139     0x0501, 0x0501, 0x0538, 0x0538, 0x0538, 0x0538, 0x0538, 0x0538, 0x0538, 0x0538,
    140     0x0538, 0x0538, 0x0538, 0x0538, 0x0538, 0x0538, 0x0538, 0x0538, 0x0534, 0x0534,
    141     0x0534, 0x0534, 0x0534, 0x0534, 0x0534, 0x0534, 0x0534, 0x0534, 0x0534, 0x0534,
    142     0x0534, 0x0534, 0x0534, 0x0534, 0x052c, 0x052c, 0x052c, 0x052c, 0x052c, 0x052c,
    143     0x052c, 0x052c, 0x052c, 0x052c, 0x052c, 0x052c, 0x052c, 0x052c, 0x052c, 0x052c,
    144     0x051c, 0x051c, 0x051c, 0x051c, 0x051c, 0x051c, 0x051c, 0x051c, 0x051c, 0x051c,
    145     0x051c, 0x051c, 0x051c, 0x051c, 0x051c, 0x051c, 0x0528, 0x0528, 0x0528, 0x0528,
    146     0x0528, 0x0528, 0x0528, 0x0528, 0x0528, 0x0528, 0x0528, 0x0528, 0x0528, 0x0528,
    147     0x0528, 0x0528, 0x0514, 0x0514, 0x0514, 0x0514, 0x0514, 0x0514, 0x0514, 0x0514,
    148     0x0514, 0x0514, 0x0514, 0x0514, 0x0514, 0x0514, 0x0514, 0x0514, 0x0530, 0x0530,
    149     0x0530, 0x0530, 0x0530, 0x0530, 0x0530, 0x0530, 0x0530, 0x0530, 0x0530, 0x0530,
    150     0x0530, 0x0530, 0x0530, 0x0530, 0x050c, 0x050c, 0x050c, 0x050c, 0x050c, 0x050c,
    151     0x050c, 0x050c, 0x050c, 0x050c, 0x050c, 0x050c, 0x050c, 0x050c, 0x050c, 0x050c,
    152     0x0420, 0x0420, 0x0420, 0x0420, 0x0420, 0x0420, 0x0420, 0x0420, 0x0420, 0x0420,
    153     0x0420, 0x0420, 0x0420, 0x0420, 0x0420, 0x0420, 0x0420, 0x0420, 0x0420, 0x0420,
    154     0x0420, 0x0420, 0x0420, 0x0420, 0x0420, 0x0420, 0x0420, 0x0420, 0x0420, 0x0420,
    155     0x0420, 0x0420, 0x0410, 0x0410, 0x0410, 0x0410, 0x0410, 0x0410, 0x0410, 0x0410,
    156     0x0410, 0x0410, 0x0410, 0x0410, 0x0410, 0x0410, 0x0410, 0x0410, 0x0410, 0x0410,
    157     0x0410, 0x0410, 0x0410, 0x0410, 0x0410, 0x0410, 0x0410, 0x0410, 0x0410, 0x0410,
    158     0x0410, 0x0410, 0x0410, 0x0410, 0x0408, 0x0408, 0x0408, 0x0408, 0x0408, 0x0408,
    159     0x0408, 0x0408, 0x0408, 0x0408, 0x0408, 0x0408, 0x0408, 0x0408, 0x0408, 0x0408,
    160     0x0408, 0x0408, 0x0408, 0x0408, 0x0408, 0x0408, 0x0408, 0x0408, 0x0408, 0x0408,
    161     0x0408, 0x0408, 0x0408, 0x0408, 0x0408, 0x0408, 0x0404, 0x0404, 0x0404, 0x0404,
    162     0x0404, 0x0404, 0x0404, 0x0404, 0x0404, 0x0404, 0x0404, 0x0404, 0x0404, 0x0404,
    163     0x0404, 0x0404, 0x0404, 0x0404, 0x0404, 0x0404, 0x0404, 0x0404, 0x0404, 0x0404,
    164     0x0404, 0x0404, 0x0404, 0x0404, 0x0404, 0x0404, 0x0404, 0x0404, 0x033c, 0x033c,
    165     0x033c, 0x033c, 0x033c, 0x033c, 0x033c, 0x033c, 0x033c, 0x033c, 0x033c, 0x033c,
    166     0x033c, 0x033c, 0x033c, 0x033c, 0x033c, 0x033c, 0x033c, 0x033c, 0x033c, 0x033c,
    167     0x033c, 0x033c, 0x033c, 0x033c, 0x033c, 0x033c, 0x033c, 0x033c, 0x033c, 0x033c,
    168     0x033c, 0x033c, 0x033c, 0x033c, 0x033c, 0x033c, 0x033c, 0x033c, 0x033c, 0x033c,
    169     0x033c, 0x033c, 0x033c, 0x033c, 0x033c, 0x033c, 0x033c, 0x033c, 0x033c, 0x033c,
    170     0x033c, 0x033c, 0x033c, 0x033c, 0x033c, 0x033c, 0x033c, 0x033c, 0x033c, 0x033c,
    171     0x033c, 0x033c
    172 };
    173 
    174 
    175 /* Table B.14 DCT Coefficients Table zero */
    176 const UWORD16 gau2_impeg2d_dct_coeff_zero[] =
    177 {
    178   2640,2608,2576,2544,12400,32848,30800,28752,26704,24656,22608,63536,61488,
    179     59440,57392,55344,1295,1263,1231,1199,1167,1135,1103,1071,1039,2511,2479,
    180     2447,2415,2383,2351,2319,1006,974,942,910,878,846,814,782,750,718,686,654,
    181     622,590,558,526,20557,18509,10349,6285,4269,2285,2253,493,461,429,397,
    182     53293,51245,49197,47149,45101,364,16460,8300,332,4236,14412,43052,41004,
    183     300,38956,36908,2220,6252,268,12364,34860,32810,10314,234,4202,2186,30762,
    184     28714,8266,ESCAPE_CODE,4167,18471,135,16423,14374,12326,2118,10278,26664,
    185     200,24616,22568,6216,2152,168,20520,101,101,101,101,101,101,101,101,8229,
    186     8229,8229,8229,8229,8229,8229,8229,6181,6181,6181,6181,6181,6181,6181,6181,
    187     68,4132,2083,2083,END_OF_BLOCK,34
    188 };
    189 
    190 /* tab Zero b.14 for 1-9 bits*/
    191 const UWORD16 gau2_impeg2d_tab_zero_1_9[] =
    192 {
    193     0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
    194     0x01f6, 0x01f6, 0x01f6, 0x01f6, 0x01f6, 0x01f6, 0x01f6, 0x01f6,
    195     0x0428, 0x0428, 0xfc28, 0xfc28, 0x0298, 0x0298, 0xfe98, 0xfe98,
    196     0x0808, 0x0808, 0xf808, 0xf808, 0x0288, 0x0288, 0xfe88, 0xfe88,
    197     0x0277, 0x0277, 0x0277, 0x0277, 0xfe77, 0xfe77, 0xfe77, 0xfe77,
    198     0x0267, 0x0267, 0x0267, 0x0267, 0xfe67, 0xfe67, 0xfe67, 0xfe67,
    199     0x0417, 0x0417, 0x0417, 0x0417, 0xfc17, 0xfc17, 0xfc17, 0xfc17,
    200     0x0257, 0x0257, 0x0257, 0x0257, 0xfe57, 0xfe57, 0xfe57, 0xfe57,
    201     0x02d9, 0xfed9, 0x0c09, 0xf409, 0x02c9, 0xfec9, 0x02b9, 0xfeb9,
    202     0x0439, 0xfc39, 0x0619, 0xfa19, 0x0a09, 0xf609, 0x02a9, 0xfea9,
    203     0x0606, 0x0606, 0x0606, 0x0606, 0x0606, 0x0606, 0x0606, 0x0606,
    204     0xfa06, 0xfa06, 0xfa06, 0xfa06, 0xfa06, 0xfa06, 0xfa06, 0xfa06,
    205     0x0246, 0x0246, 0x0246, 0x0246, 0x0246, 0x0246, 0x0246, 0x0246,
    206     0xfe46, 0xfe46, 0xfe46, 0xfe46, 0xfe46, 0xfe46, 0xfe46, 0xfe46,
    207     0x0236, 0x0236, 0x0236, 0x0236, 0x0236, 0x0236, 0x0236, 0x0236,
    208     0xfe36, 0xfe36, 0xfe36, 0xfe36, 0xfe36, 0xfe36, 0xfe36, 0xfe36,
    209     0x0405, 0x0405, 0x0405, 0x0405, 0x0405, 0x0405, 0x0405, 0x0405,
    210     0x0405, 0x0405, 0x0405, 0x0405, 0x0405, 0x0405, 0x0405, 0x0405,
    211     0xfc05, 0xfc05, 0xfc05, 0xfc05, 0xfc05, 0xfc05, 0xfc05, 0xfc05,
    212     0xfc05, 0xfc05, 0xfc05, 0xfc05, 0xfc05, 0xfc05, 0xfc05, 0xfc05,
    213     0x0225, 0x0225, 0x0225, 0x0225, 0x0225, 0x0225, 0x0225, 0x0225,
    214     0x0225, 0x0225, 0x0225, 0x0225, 0x0225, 0x0225, 0x0225, 0x0225,
    215     0xfe25, 0xfe25, 0xfe25, 0xfe25, 0xfe25, 0xfe25, 0xfe25, 0xfe25,
    216     0xfe25, 0xfe25, 0xfe25, 0xfe25, 0xfe25, 0xfe25, 0xfe25, 0xfe25,
    217     0x0214, 0x0214, 0x0214, 0x0214, 0x0214, 0x0214, 0x0214, 0x0214,
    218     0x0214, 0x0214, 0x0214, 0x0214, 0x0214, 0x0214, 0x0214, 0x0214,
    219     0x0214, 0x0214, 0x0214, 0x0214, 0x0214, 0x0214, 0x0214, 0x0214,
    220     0x0214, 0x0214, 0x0214, 0x0214, 0x0214, 0x0214, 0x0214, 0x0214,
    221     0xfe14, 0xfe14, 0xfe14, 0xfe14, 0xfe14, 0xfe14, 0xfe14, 0xfe14,
    222     0xfe14, 0xfe14, 0xfe14, 0xfe14, 0xfe14, 0xfe14, 0xfe14, 0xfe14,
    223     0xfe14, 0xfe14, 0xfe14, 0xfe14, 0xfe14, 0xfe14, 0xfe14, 0xfe14,
    224     0xfe14, 0xfe14, 0xfe14, 0xfe14, 0xfe14, 0xfe14, 0xfe14, 0xfe14,
    225     0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff,
    226     0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff,
    227     0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff,
    228     0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff,
    229     0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff,
    230     0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff,
    231     0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff,
    232     0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff,
    233     0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff,
    234     0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff,
    235     0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff,
    236     0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff,
    237     0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff,
    238     0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff,
    239     0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff,
    240     0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff,
    241     0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203,
    242     0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203,
    243     0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203,
    244     0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203,
    245     0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203,
    246     0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203,
    247     0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203,
    248     0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203,
    249     0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03,
    250     0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03,
    251     0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03,
    252     0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03,
    253     0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03,
    254     0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03,
    255     0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03,
    256     0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03
    257 };
    258 
    259 const UWORD16 gau2_impeg2d_tab_zero_10_16[] =
    260 {
    261     /*Six leading zeros*/
    262     0x0300, 0x0300, 0xff00, 0xff00, 0x0450, 0x0450, 0xfc50, 0xfc50,
    263     0x0e00, 0x0e00, 0xf200, 0xf200, 0x0620, 0x0620, 0xfa20, 0xfa20,
    264     0x0810, 0x0810, 0xf810, 0xf810, 0x02f0, 0x02f0, 0xfef0, 0xfef0,
    265     0x02e0, 0x02e0, 0xfee0, 0xfee0, 0x0440, 0x0440, 0xfc40, 0xfc40,
    266     /*Seven leading zeros*/
    267     0x1602, 0xea02, 0x0482, 0xfc82, 0x0642, 0xfa42, 0x1402, 0xec02,
    268     0x0822, 0xf822, 0x0472, 0xfc72, 0x0352, 0xff52, 0x0342, 0xff42,
    269     0x1202, 0xee02, 0x0332, 0xff32, 0x0322, 0xff22, 0x0a12, 0xf612,
    270     0x0632, 0xfa32, 0x1002, 0xf002, 0x0462, 0xfc62, 0x0312, 0xff12,
    271     /*Eight leading zeros*/
    272     0x04a3, 0xfca3, 0x0493, 0xfc93, 0x0653, 0xfa53, 0x0833, 0xf833,
    273     0x0a23, 0xf623, 0x0e13, 0xf213, 0x0c13, 0xf413, 0x1e03, 0xe203,
    274     0x1c03, 0xe403, 0x1a03, 0xe603, 0x1803, 0xe803, 0x03a3, 0xffa3,
    275     0x0393, 0xff93, 0x0383, 0xff83, 0x0373, 0xff73, 0x0363, 0xff63,
    276     /*Nine leading zeros*/
    277     0x3e04, 0xc204, 0x3c04, 0xc404, 0x3a04, 0xc604, 0x3804, 0xc804,
    278     0x3604, 0xca04, 0x3404, 0xcc04, 0x3204, 0xce04, 0x3004, 0xd004,
    279     0x2e04, 0xd204, 0x2c04, 0xd404, 0x2a04, 0xd604, 0x2804, 0xd804,
    280     0x2604, 0xda04, 0x2404, 0xdc04, 0x2204, 0xde04, 0x2004, 0xe004,
    281     /*Ten leading zeros*/
    282     0x5005, 0xb005, 0x4e05, 0xb205, 0x4c05, 0xb405, 0x4a05, 0xb605,
    283     0x4805, 0xb805, 0x4605, 0xba05, 0x4405, 0xbc05, 0x4205, 0xbe05,
    284     0x4005, 0xc005, 0x1c15, 0xe415, 0x1a15, 0xe615, 0x1815, 0xe815,
    285     0x1615, 0xea15, 0x1415, 0xec15, 0x1215, 0xee15, 0x1015, 0xf015,
    286     /*Eleven leading zeros*/
    287     0x2416, 0xdc16, 0x2216, 0xde16, 0x2016, 0xe016, 0x1e16, 0xe216,
    288     0x0666, 0xfa66, 0x0506, 0xfd06, 0x04f6, 0xfcf6, 0x04e6, 0xfce6,
    289     0x04d6, 0xfcd6, 0x04c6, 0xfcc6, 0x04b6, 0xfcb6, 0x03f6, 0xfff6,
    290     0x03e6, 0xffe6, 0x03d6, 0xffd6, 0x03c6, 0xffc6, 0x03b6, 0xffb6
    291 
    292 };
    293 
    294 /* Table B.14 DCT Coefficients Table one */
    295 const UWORD16 gau2_impeg2d_dct_coeff_one[] =
    296 {
    297     2640,2608,2576,2544,12400,32848,30800,28752,26704,24656,22608,63536,61488,
    298     59440,57392,55344,1295,1263,1231,1199,1167,1135,1103,1071,1039,2511,2479,
    299     2447,2415,2383,2351,2319,1006,974,942,910,878,846,814,782,750,718,686,654,
    300     622,590,558,526,20557,18509,10349,6285,4269,2285,2253,0,0,0,0,53293,51245,
    301     49197,47149,45101,16460,8300,0,0,14412,43052,41004,0,38956,36908,0,6252,
    302     0,12364,34860,10313,10313,28713,28713,4234,32810,30761,30761,ESCAPE_CODE,
    303     14375,16423,12327,4167,230,198,8230,10278,2216,22568,360,328,26664,24616,
    304     6216,2184,4133,4133,4133,4133,4133,4133,4133,4133,2117,2117,2117,2117,2117,
    305     2117,2117,2117,6181,6181,6181,6181,6181,6181,6181,6181,2083,2083,
    306     END_OF_BLOCK,100,18471,18471,2151,2151,20519,20519,263,263,295,295,392,424,
    307     4200,8264,456,488,34,34,34,34,34,34,34,34,67,67,67,67,133,165
    308 };
    309 
    310 /* tab Zero b.15 for 1-9 bits*/
    311 const UWORD16 gau2_impeg2d_tab_one_1_9[] =
    312 {
    313     0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000,
    314     0x01f6, 0x01f6, 0x01f6, 0x01f6, 0x01f6, 0x01f6, 0x01f6, 0x01f6,
    315     0x0278, 0x0278, 0xfe78, 0xfe78, 0x0288, 0x0288, 0xfe88, 0xfe88,
    316     0x0268, 0x0268, 0xfe68, 0xfe68, 0x0428, 0x0428, 0xfc28, 0xfc28,
    317     0x0e07, 0x0e07, 0x0e07, 0x0e07, 0xf207, 0xf207, 0xf207, 0xf207,
    318     0x0c07, 0x0c07, 0x0c07, 0x0c07, 0xf407, 0xf407, 0xf407, 0xf407,
    319     0x0247, 0x0247, 0x0247, 0x0247, 0xfe47, 0xfe47, 0xfe47, 0xfe47,
    320     0x0257, 0x0257, 0x0257, 0x0257, 0xfe57, 0xfe57, 0xfe57, 0xfe57,
    321     0x0a19, 0xf619, 0x02b9, 0xfeb9, 0x1609, 0xea09, 0x1409, 0xec09,
    322     0x02d9, 0xfed9, 0x02c9, 0xfec9, 0x0439, 0xfc39, 0x0819, 0xf819,
    323     0x0226, 0x0226, 0x0226, 0x0226, 0x0226, 0x0226, 0x0226, 0x0226,
    324     0xfe26, 0xfe26, 0xfe26, 0xfe26, 0xfe26, 0xfe26, 0xfe26, 0xfe26,
    325     0x0416, 0x0416, 0x0416, 0x0416, 0x0416, 0x0416, 0x0416, 0x0416,
    326     0xfc16, 0xfc16, 0xfc16, 0xfc16, 0xfc16, 0xfc16, 0xfc16, 0xfc16,
    327     0x0236, 0x0236, 0x0236, 0x0236, 0x0236, 0x0236, 0x0236, 0x0236,
    328     0xfe36, 0xfe36, 0xfe36, 0xfe36, 0xfe36, 0xfe36, 0xfe36, 0xfe36,
    329     0x0214, 0x0214, 0x0214, 0x0214, 0x0214, 0x0214, 0x0214, 0x0214,
    330     0x0214, 0x0214, 0x0214, 0x0214, 0x0214, 0x0214, 0x0214, 0x0214,
    331     0x0214, 0x0214, 0x0214, 0x0214, 0x0214, 0x0214, 0x0214, 0x0214,
    332     0x0214, 0x0214, 0x0214, 0x0214, 0x0214, 0x0214, 0x0214, 0x0214,
    333     0xfe14, 0xfe14, 0xfe14, 0xfe14, 0xfe14, 0xfe14, 0xfe14, 0xfe14,
    334     0xfe14, 0xfe14, 0xfe14, 0xfe14, 0xfe14, 0xfe14, 0xfe14, 0xfe14,
    335     0xfe14, 0xfe14, 0xfe14, 0xfe14, 0xfe14, 0xfe14, 0xfe14, 0xfe14,
    336     0xfe14, 0xfe14, 0xfe14, 0xfe14, 0xfe14, 0xfe14, 0xfe14, 0xfe14,
    337     0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff,
    338     0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff,
    339     0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff,
    340     0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff, 0x01ff,
    341     0x0605, 0x0605, 0x0605, 0x0605, 0x0605, 0x0605, 0x0605, 0x0605,
    342     0x0605, 0x0605, 0x0605, 0x0605, 0x0605, 0x0605, 0x0605, 0x0605,
    343     0xfa05, 0xfa05, 0xfa05, 0xfa05, 0xfa05, 0xfa05, 0xfa05, 0xfa05,
    344     0xfa05, 0xfa05, 0xfa05, 0xfa05, 0xfa05, 0xfa05, 0xfa05, 0xfa05,
    345     0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203,
    346     0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203,
    347     0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203,
    348     0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203,
    349     0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203,
    350     0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203,
    351     0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203,
    352     0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203, 0x0203,
    353     0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03,
    354     0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03,
    355     0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03,
    356     0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03,
    357     0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03,
    358     0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03,
    359     0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03,
    360     0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03, 0xfe03,
    361     0x0404, 0x0404, 0x0404, 0x0404, 0x0404, 0x0404, 0x0404, 0x0404,
    362     0x0404, 0x0404, 0x0404, 0x0404, 0x0404, 0x0404, 0x0404, 0x0404,
    363     0x0404, 0x0404, 0x0404, 0x0404, 0x0404, 0x0404, 0x0404, 0x0404,
    364     0x0404, 0x0404, 0x0404, 0x0404, 0x0404, 0x0404, 0x0404, 0x0404,
    365     0xfc04, 0xfc04, 0xfc04, 0xfc04, 0xfc04, 0xfc04, 0xfc04, 0xfc04,
    366     0xfc04, 0xfc04, 0xfc04, 0xfc04, 0xfc04, 0xfc04, 0xfc04, 0xfc04,
    367     0xfc04, 0xfc04, 0xfc04, 0xfc04, 0xfc04, 0xfc04, 0xfc04, 0xfc04,
    368     0xfc04, 0xfc04, 0xfc04, 0xfc04, 0xfc04, 0xfc04, 0xfc04, 0xfc04,
    369     0x0806, 0x0806, 0x0806, 0x0806, 0x0806, 0x0806, 0x0806, 0x0806,
    370     0xf806, 0xf806, 0xf806, 0xf806, 0xf806, 0xf806, 0xf806, 0xf806,
    371     0x0a06, 0x0a06, 0x0a06, 0x0a06, 0x0a06, 0x0a06, 0x0a06, 0x0a06,
    372     0xf606, 0xf606, 0xf606, 0xf606, 0xf606, 0xf606, 0xf606, 0xf606,
    373     0x0298, 0x0298, 0xfe98, 0xfe98, 0x0618, 0x0618, 0xfa18, 0xfa18,
    374     0x02a8, 0x02a8, 0xfea8, 0xfea8, 0x1008, 0x1008, 0xf008, 0xf008,
    375     0x1208, 0x1208, 0xee08, 0xee08, 0x1809, 0xe809, 0x1a09, 0xe609,
    376     0x0629, 0xfa29, 0x0449, 0xfc49, 0x1c09, 0xe409, 0x1e09, 0xe209
    377 };
    378 
    379 const UWORD16 gau2_impeg2d_tab_one_10_16[] =
    380 {
    381     /*Six leading zeros*/
    382     0x0458, 0x0458, 0x0458, 0x0458, 0xfc58, 0xfc58, 0xfc58, 0xfc58,
    383     0x02e8, 0x02e8, 0x02e8, 0x02e8, 0xfee8, 0xfee8, 0xfee8, 0xfee8,
    384     0x0829, 0x0829, 0xf829, 0xf829, 0x0309, 0x0309, 0xff09, 0xff09,
    385     0x02f8, 0x02f8, 0x02f8, 0x02f8, 0xfef8, 0xfef8, 0xfef8, 0xfef8,
    386     /*Seven leading zeros*/
    387     0x000b, 0x000b, 0x048b, 0xfc8b, 0x064b, 0xfa4b, 0x000b, 0x000b,
    388     0x000b, 0x000b, 0x047b, 0xfc7b, 0x035b, 0xff5b, 0x034b, 0xff4b,
    389     0x000b, 0x000b, 0x033b, 0xff3b, 0x032b, 0xff2b, 0x000b, 0x000b,
    390     0x063b, 0xfa3b, 0x000b, 0x000b, 0x046b, 0xfc6b, 0x031b, 0xff1b,
    391     /*Eight leading zeros*/
    392     0x04ac, 0xfcac, 0x049c, 0xfc9c, 0x065c, 0xfa5c, 0x083c, 0xf83c,
    393     0x0a2c, 0xf62c, 0x0e1c, 0xf21c, 0x0c1c, 0xf41c, 0x000c, 0x000c,
    394     0x000c, 0x000c, 0x000c, 0x000c, 0x000c, 0x000c, 0x03ac, 0xffac,
    395     0x039c, 0xff9c, 0x038c, 0xff8c, 0x037c, 0xff7c, 0x036c, 0xff6c,
    396     /*Nine leading zeros*/
    397     0x3e0d, 0xc20d, 0x3c0d, 0xc40d, 0x3a0d, 0xc60d, 0x380d, 0xc80d,
    398     0x360d, 0xca0d, 0x340d, 0xcc0d, 0x320d, 0xce0d, 0x300d, 0xd00d,
    399     0x2e0d, 0xd20d, 0x2c0d, 0xd40d, 0x2a0d, 0xd60d, 0x280d, 0xd80d,
    400     0x260d, 0xda0d, 0x240d, 0xdc0d, 0x220d, 0xde0d, 0x200d, 0xe00d,
    401     /*Ten leading zeros*/
    402     0x500e, 0xb00e, 0x4e0e, 0xb20e, 0x4c0e, 0xb40e, 0x4a0e, 0xb60e,
    403     0x480e, 0xb80e, 0x460e, 0xba0e, 0x440e, 0xbc0e, 0x420e, 0xbe0e,
    404     0x400e, 0xc00e, 0x1c1e, 0xe41e, 0x1a1e, 0xe61e, 0x181e, 0xe81e,
    405     0x161e, 0xea1e, 0x141e, 0xec1e, 0x121e, 0xee1e, 0x101e, 0xf01e,
    406     /*Eleven leading zeros*/
    407     0x241f, 0xdc1f, 0x221f, 0xde1f, 0x201f, 0xe01f, 0x1e1f, 0xe21f,
    408     0x066f, 0xfa6f, 0x050f, 0xfd0f, 0x04ff, 0xfcff, 0x04ef, 0xfcef,
    409     0x04df, 0xfcdf, 0x04cf, 0xfccf, 0x04bf, 0xfcbf, 0x03ff, 0xffff,
    410     0x03ef, 0xffef, 0x03df, 0xffdf, 0x03cf, 0xffcf, 0x03bf, 0xffbf
    411 };
    412 
    413 /* Depending upon the various groups identified in the Ac Vld Coeffs the
    414 following tables are used to index into the DCT Coefficients Tables Zero and
    415 One defined above */
    416 const UWORD16 gau2_impeg2d_offset_zero[] =
    417 {
    418     0,
    419     1369,
    420     1434,1434,
    421     1048,1048,1048,1048,
    422     2012,2012,2012,2012,2012,2012,2012,2012,
    423     2110,2110,2110,2110,2110,2110,2110,2110,2110,2110,2110,2110,2110,2110,
    424     2110,2110,
    425     258,
    426     515,515,
    427     772,772,772,772,
    428     1158,1158,1158,1158,1158,1158,1158,1158,
    429     1402,1402,1402,1402,1402,1402,1402,1402,1402,1402,1402,1402,1402,1402,
    430     1402,1402,
    431     0,
    432     1
    433 };
    434 
    435 const UWORD16 gau2_impeg2d_offset_one[] =
    436 {
    437     132,
    438     1386,
    439     1353,1353,
    440     1418,1418,1418,1418,
    441     1032,1032,1032,1032,1032,1032,1032,1032,
    442     1996,1996,1996,1996,1996,1996,1996,1996,1996,1996,1996,1996,1996,1996,
    443     1996,1996,
    444     1,
    445     258,258,
    446     515,515,515,515,
    447     756,756,756,756,756,756,756,756,
    448     1142,1142,1142,1142,1142,1142,1142,1142,1142,1142,1142,1142,1142,1142,
    449     1142,1142,
    450     0
    451 };
    452 
    453 
    454 /* Table to be used for decoding dct_dc_size_luminance */
    455 const WORD16 gai2_impeg2d_dct_dc_size[][11][2] =
    456 {
    457     {
    458         {3,1},{2,4},{-12,-9},{-11,-10},{-8,5},{-7,6},{-6,7},{-5,8},{-4,9},{-3,10},{-2,-1}
    459     },
    460     {
    461         {1,2},{-12,-11},{-10,3},{-9,4},{-8,5},{-7,6},{-6,7},{-5,8},{-4,9},{-3,10},{-2,-1}
    462     }
    463 };
    464 
    465 
    466