falkTX
/
FFmpeg
mirror of https://github.com/falkTX/FFmpeg.git
1
0
Fork 0
Code Issues 0 Releases 338 Wiki Activity
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
44689 Commits
32 Branches
824MB
Tree: c5714b51aa
Branches Tags
${ item.name }
Create branch ${ searchTerm }
from 'c5714b51aa'
${ noResults }
FFmpeg/libavcodec/vc1data.c

1136 lines
49KB
Raw Blame History 

  1. /*

  2.  * VC-1 and WMV3 decoder

  3.  * copyright (c) 2011 Mashiat Sarker Shakkhar

  4.  * copyright (c) 2006 Konstantin Shishkov

  5.  * (c) 2005 anonymous, Alex Beregszaszi, Michael Niedermayer

  6.  *

  7.  * This file is part of Libav.

  8.  *

  9.  * Libav is free software; you can redistribute it and/or

  10.  * modify it under the terms of the GNU Lesser General Public

  11.  * License as published by the Free Software Foundation; either

  12.  * version 2.1 of the License, or (at your option) any later version.

  13.  *

  14.  * Libav is distributed in the hope that it will be useful,

  15.  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  16.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

  17.  * Lesser General Public License for more details.

  18.  *

  19.  * You should have received a copy of the GNU Lesser General Public

  20.  * License along with Libav; if not, write to the Free Software

  21.  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

  22.  */

  23. 

  24. /**

  25.  * @file

  26.  * VC-1 tables.

  27.  */

  28. 

  29. #include "avcodec.h"

  30. #include "vc1.h"

  31. #include "vc1data.h"

  32. 

  33. /** Table for conversion between TTBLK and TTMB */

  34. const int ff_vc1_ttblk_to_tt[3][8] = {

  35.     { TT_8X4, TT_4X8, TT_8X8, TT_4X4, TT_8X4_TOP, TT_8X4_BOTTOM, TT_4X8_RIGHT, TT_4X8_LEFT },

  36.     { TT_8X8, TT_4X8_RIGHT, TT_4X8_LEFT, TT_4X4, TT_8X4, TT_4X8, TT_8X4_BOTTOM, TT_8X4_TOP },

  37.     { TT_8X8, TT_4X8, TT_4X4, TT_8X4_BOTTOM, TT_4X8_RIGHT, TT_4X8_LEFT, TT_8X4, TT_8X4_TOP }

  38. };

  39. 

  40. const int ff_vc1_ttfrm_to_tt[4] = { TT_8X8, TT_8X4, TT_4X8, TT_4X4 };

  41. 

  42. /** MV P mode - the 5th element is only used for mode 1 */

  43. const uint8_t ff_vc1_mv_pmode_table[2][5] = {

  44.     { MV_PMODE_1MV_HPEL_BILIN, MV_PMODE_1MV, MV_PMODE_1MV_HPEL, MV_PMODE_INTENSITY_COMP, MV_PMODE_MIXED_MV },

  45.     { MV_PMODE_1MV, MV_PMODE_MIXED_MV, MV_PMODE_1MV_HPEL, MV_PMODE_INTENSITY_COMP, MV_PMODE_1MV_HPEL_BILIN }

  46. };

  47. const uint8_t ff_vc1_mv_pmode_table2[2][4] = {

  48.     { MV_PMODE_1MV_HPEL_BILIN, MV_PMODE_1MV, MV_PMODE_1MV_HPEL, MV_PMODE_MIXED_MV },

  49.     { MV_PMODE_1MV, MV_PMODE_MIXED_MV, MV_PMODE_1MV_HPEL, MV_PMODE_1MV_HPEL_BILIN }

  50. };

  51. 

  52. /* MBMODE table for interlaced frame P-picture */

  53. const uint8_t ff_vc1_mbmode_intfrp[2][15][4] = {

  54.     { /* 1: 4-MV, 0: non-4-MV */

  55.         /* Type, FIELDTX, 1-MV Differential present, Residuals (CBP) present */

  56.         /* Table 164 - Table 167 */

  57.         { MV_PMODE_INTFR_1MV      , 0, 1, 1 },

  58.         { MV_PMODE_INTFR_1MV      , 1, 1, 1 },

  59.         { MV_PMODE_INTFR_1MV      , 0, 1, 0 },

  60.         { MV_PMODE_INTFR_1MV      , 0, 0, 1 },

  61.         { MV_PMODE_INTFR_1MV      , 1, 0, 1 },

  62.         { MV_PMODE_INTFR_2MV_FIELD, 0, 0, 1 },

  63.         { MV_PMODE_INTFR_2MV_FIELD, 1, 0, 1 },

  64.         { MV_PMODE_INTFR_2MV_FIELD, 0, 0, 0 },

  65.         { MV_PMODE_INTFR_INTRA    , 0, 0, 0 }

  66.     },

  67.     {

  68.         /* Table 160 - Table 163 */

  69.         { MV_PMODE_INTFR_1MV      , 0, 1, 1 },

  70.         { MV_PMODE_INTFR_1MV      , 1, 1, 1 },

  71.         { MV_PMODE_INTFR_1MV      , 0, 1, 0 },

  72.         { MV_PMODE_INTFR_1MV      , 0, 0, 1 },

  73.         { MV_PMODE_INTFR_1MV      , 1, 0, 1 },

  74.         { MV_PMODE_INTFR_2MV_FIELD, 0, 0, 1 },

  75.         { MV_PMODE_INTFR_2MV_FIELD, 1, 0, 1 },

  76.         { MV_PMODE_INTFR_2MV_FIELD, 0, 0, 0 },

  77.         { MV_PMODE_INTFR_4MV      , 0, 0, 1 },

  78.         { MV_PMODE_INTFR_4MV      , 1, 0, 1 },

  79.         { MV_PMODE_INTFR_4MV      , 0, 0, 0 },

  80.         { MV_PMODE_INTFR_4MV_FIELD, 0, 0, 1 },

  81.         { MV_PMODE_INTFR_4MV_FIELD, 1, 0, 1 },

  82.         { MV_PMODE_INTFR_4MV_FIELD, 0, 0, 0 },

  83.         { MV_PMODE_INTFR_INTRA    , 0, 0, 0 }

  84.     }

  85. };

  86. 

  87. const int ff_vc1_fps_nr[7] = { 24, 25, 30, 50, 60, 48, 72 },

  88.           ff_vc1_fps_dr[2] = { 1000, 1001 };

  89. const uint8_t ff_vc1_pquant_table[3][32] = {

  90.     /* Implicit quantizer */

  91.     {  0,  1,  2,  3,  4,  5,  6,  7,  8,  6,  7,  8,  9, 10, 11, 12,

  92.       13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 27, 29, 31 },

  93.     /* Explicit quantizer, pquantizer uniform */

  94.     {  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14, 15,

  95.       16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31 },

  96.     /* Explicit quantizer, pquantizer non-uniform */

  97.     {  0,  1,  1,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13,

  98.       14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 29, 31 }

  99. };

  100. 

  101. /** @name VC-1 VLC tables and defines

  102.  *  @todo TODO move this into the context

  103.  */

  104. //@{

  105. #define VC1_BFRACTION_VLC_BITS 7

  106. VLC ff_vc1_bfraction_vlc;

  107. #define VC1_IMODE_VLC_BITS 4

  108. VLC ff_vc1_imode_vlc;

  109. #define VC1_NORM2_VLC_BITS 3

  110. VLC ff_vc1_norm2_vlc;

  111. #define VC1_NORM6_VLC_BITS 9

  112. VLC ff_vc1_norm6_vlc;

  113. /* Could be optimized, one table only needs 8 bits */

  114. #define VC1_TTMB_VLC_BITS 9 //12

  115. VLC ff_vc1_ttmb_vlc[3];

  116. #define VC1_MV_DIFF_VLC_BITS 9 //15

  117. VLC ff_vc1_mv_diff_vlc[4];

  118. #define VC1_CBPCY_P_VLC_BITS 9 //14

  119. VLC ff_vc1_cbpcy_p_vlc[4];

  120. #define VC1_ICBPCY_VLC_BITS 9

  121. VLC ff_vc1_icbpcy_vlc[8];

  122. #define VC1_4MV_BLOCK_PATTERN_VLC_BITS 6

  123. VLC ff_vc1_4mv_block_pattern_vlc[4];

  124. #define VC1_2MV_BLOCK_PATTERN_VLC_BITS 3

  125. VLC ff_vc1_2mv_block_pattern_vlc[4];

  126. #define VC1_TTBLK_VLC_BITS 5

  127. VLC ff_vc1_ttblk_vlc[3];

  128. #define VC1_SUBBLKPAT_VLC_BITS 6

  129. VLC ff_vc1_subblkpat_vlc[3];

  130. #define VC1_INTFR_4MV_MBMODE_VLC_BITS 9

  131. VLC ff_vc1_intfr_4mv_mbmode_vlc[4];

  132. #define VC1_INTFR_NON4MV_MBMODE_VLC_BITS 6

  133. VLC ff_vc1_intfr_non4mv_mbmode_vlc[4];

  134. #define VC1_IF_MMV_MBMODE_VLC_BITS 5

  135. VLC ff_vc1_if_mmv_mbmode_vlc[8];

  136. #define VC1_IF_1MV_MBMODE_VLC_BITS 5

  137. VLC ff_vc1_if_1mv_mbmode_vlc[8];

  138. #define VC1_1REF_MVDATA_VLC_BITS 9

  139. VLC ff_vc1_1ref_mvdata_vlc[4];

  140. #define VC1_2REF_MVDATA_VLC_BITS 9

  141. VLC ff_vc1_2ref_mvdata_vlc[8];

  142. 

  143. VLC ff_vc1_ac_coeff_table[8];

  144. 

  145. #define VC1_IF_MBMODE_VLC_BITS 5    // as a placeholder for VC1_IF_MMV_MBMODE_VLC_BITS

  146.                                     // or VC1_IF_1MV_MBMODE_VLC_BITS since they are the same

  147. //@}

  148. 

  149. 

  150. #if B_FRACTION_DEN == 840 // original bfraction from vc9data.h, not conforming to standard

  151. /* bfraction is fractional, we scale to the GCD 3*5*7*8 = 840 */

  152. const int16_t ff_vc1_bfraction_lut[23] = {

  153.     420 /*1/2*/, 280 /*1/3*/, 560 /*2/3*/, 210 /*1/4*/,

  154.     630 /*3/4*/, 168 /*1/5*/, 336 /*2/5*/,

  155.     504 /*3/5*/, 672 /*4/5*/, 140 /*1/6*/, 700 /*5/6*/,

  156.     120 /*1/7*/, 240 /*2/7*/, 360 /*3/7*/, 480 /*4/7*/,

  157.     600 /*5/7*/, 720 /*6/7*/, 105 /*1/8*/, 315 /*3/8*/,

  158.     525 /*5/8*/, 735 /*7/8*/,

  159.     -1 /*inv.*/, 0 /*BI fm*/

  160. };

  161. #else

  162. /* pre-computed scales for all bfractions and base=256 */

  163. const int16_t ff_vc1_bfraction_lut[23] = {

  164.     128 /*1/2*/,  85 /*1/3*/, 170 /*2/3*/,  64 /*1/4*/,

  165.     192 /*3/4*/,  51 /*1/5*/, 102 /*2/5*/,

  166.     153 /*3/5*/, 204 /*4/5*/,  43 /*1/6*/, 215 /*5/6*/,

  167.      37 /*1/7*/,  74 /*2/7*/, 111 /*3/7*/, 148 /*4/7*/,

  168.     185 /*5/7*/, 222 /*6/7*/,  32 /*1/8*/,  96 /*3/8*/,

  169.     160 /*5/8*/, 224 /*7/8*/,

  170.     -1 /*inv.*/, 0 /*BI fm*/

  171. };

  172. #endif

  173. 

  174. const uint8_t ff_vc1_bfraction_bits[23] = {

  175.     3, 3, 3, 3,

  176.     3, 3, 3,

  177.     7, 7, 7, 7,

  178.     7, 7, 7, 7,

  179.     7, 7, 7, 7,

  180.     7, 7,

  181.     7, 7

  182. };

  183. const uint8_t ff_vc1_bfraction_codes[23] = {

  184.       0,   1,   2,   3,

  185.       4,   5,   6,

  186.     112, 113, 114, 115,

  187.     116, 117, 118, 119,

  188.     120, 121, 122, 123,

  189.     124, 125,

  190.     126, 127

  191. };

  192. 

  193. //Same as H.264

  194. const AVRational ff_vc1_pixel_aspect[16] = {

  195.     {   0,  1 },

  196.     {   1,  1 },

  197.     {  12, 11 },

  198.     {  10, 11 },

  199.     {  16, 11 },

  200.     {  40, 33 },

  201.     {  24, 11 },

  202.     {  20, 11 },

  203.     {  32, 11 },

  204.     {  80, 33 },

  205.     {  18, 11 },

  206.     {  15, 11 },

  207.     {  64, 33 },

  208.     { 160, 99 },

  209.     {   0,  1 },

  210.     {   0,  1 }

  211. };

  212. 

  213. /* BitPlane IMODE - such a small table... */

  214. const uint8_t ff_vc1_imode_codes[7] = {

  215.     0, 2, 1, 3, 1, 2, 3

  216. };

  217. const uint8_t ff_vc1_imode_bits[7] = {

  218.     4, 2, 3, 2, 4, 3, 3

  219. };

  220. 

  221. /* Normal-2 imode */

  222. const uint8_t ff_vc1_norm2_codes[4] = {

  223.     0, 4, 5, 3

  224. };

  225. const uint8_t ff_vc1_norm2_bits[4] = {

  226.     1, 3, 3, 2

  227. };

  228. 

  229. const uint16_t ff_vc1_norm6_codes[64] = {

  230.     0x001, 0x002, 0x003, 0x000, 0x004, 0x001, 0x002, 0x047, 0x005, 0x003, 0x004, 0x04B, 0x005, 0x04D, 0x04E, 0x30E,

  231.     0x006, 0x006, 0x007, 0x053, 0x008, 0x055, 0x056, 0x30D, 0x009, 0x059, 0x05A, 0x30C, 0x05C, 0x30B, 0x30A, 0x037,

  232.     0x007, 0x00A, 0x00B, 0x043, 0x00C, 0x045, 0x046, 0x309, 0x00D, 0x049, 0x04A, 0x308, 0x04C, 0x307, 0x306, 0x036,

  233.     0x00E, 0x051, 0x052, 0x305, 0x054, 0x304, 0x303, 0x035, 0x058, 0x302, 0x301, 0x034, 0x300, 0x033, 0x032, 0x007,

  234. };

  235. 

  236. const uint8_t ff_vc1_norm6_bits[64] = {

  237.     1,  4,  4,  8,  4,  8,  8, 10,  4,  8,  8, 10,  8, 10, 10, 13,

  238.     4,  8,  8, 10,  8, 10, 10, 13,  8, 10, 10, 13, 10, 13, 13,  9,

  239.     4,  8,  8, 10,  8, 10, 10, 13,  8, 10, 10, 13, 10, 13, 13,  9,

  240.     8, 10, 10, 13, 10, 13, 13,  9, 10, 13, 13,  9, 13,  9,  9,  6,

  241. };

  242. 

  243. /* 4MV Block pattern VLC tables */

  244. const uint8_t ff_vc1_4mv_block_pattern_codes[4][16] = {

  245.     { 14, 58, 59, 25, 12, 26, 15, 15, 13, 24, 27,  0, 28,  1,  2,  2 },

  246.     {  8, 18, 19,  4, 20,  5, 30, 11, 21, 31,  6, 12,  7, 13, 14,  0 },

  247.     { 15,  6,  7,  2,  8,  3, 28,  9, 10, 29,  4, 11,  5, 12, 13,  0 },

  248.     {  0, 11, 12,  4, 13,  5, 30, 16, 14, 31,  6, 17,  7, 18, 19, 10 }

  249. };

  250. const uint8_t ff_vc1_4mv_block_pattern_bits[4][16] = {

  251.     { 5, 6, 6, 5, 5, 5, 5, 4, 5, 5, 5, 3, 5, 3, 3, 2 },

  252.     { 4, 5, 5, 4, 5, 4, 5, 4, 5, 5, 4, 4, 4, 4, 4, 2 },

  253.     { 4, 4, 4, 4, 4, 4, 5, 4, 4, 5, 4, 4, 4, 4, 4, 3 },

  254.     { 2, 4, 4, 4, 4, 4, 5, 5, 4, 5, 4, 5, 4, 5, 5, 4 }

  255. };

  256. 

  257. /* 2MV Block pattern VLC tables */

  258. const uint8_t ff_vc1_2mv_block_pattern_codes[4][4] = {

  259.     { 2, 1, 0, 3 }, { 1, 0, 2, 3 }, { 2, 0, 3, 1 }, { 1, 3, 2, 0 }

  260. };

  261. 

  262. const uint8_t ff_vc1_2mv_block_pattern_bits[4][4] = {

  263.     { 2, 2, 2, 2 }, { 1, 2, 3, 3 }, { 3, 2, 3, 1 }, { 1, 3, 3, 2 }

  264. };

  265. 

  266. /* Interlaced frame picture 4MV MBMODE VLC tables (p. 246, p. 360) */

  267. const uint16_t ff_vc1_intfr_4mv_mbmode_codes[4][15] = {

  268.     { 22,  17,  0, 47,  32, 10,  1,  3, 67,  133, 132,  92,  19,  93,   18 },

  269.     {  3,  45,  0,  7,  23,  6,  1,  2, 10,   39,  44,   8,  18,  77,   76 },

  270.     { 15,   6, 28,  9,  41,  6,  2, 15, 14,    8,  40,  29,   0,  21,   11 },

  271.     {  7, 198,  1,  2, 193, 13, 25,  0, 97, 1599,  98, 398, 798, 192, 1598 }

  272. };

  273. 

  274. const uint8_t ff_vc1_intfr_4mv_mbmode_bits[4][15] = {

  275.     { 5, 5, 2, 6, 6, 4, 2, 2, 7,  8, 8,  7,  5, 7,  5 },

  276.     { 3, 6, 3, 3, 5, 3, 3, 3, 4,  6, 6,  4,  5, 7,  7 },

  277.     { 4, 3, 5, 5, 7, 4, 2, 5, 5,  5, 7,  5,  2, 6,  5 },

  278.     { 4, 9, 1, 3, 9, 5, 6, 2, 8, 12, 8, 10, 11, 9, 12 }

  279. };

  280. 

  281. /* Interlaced frame picture NON-4MV MBMODE VLC tables (p. 363) */

  282. const uint8_t ff_vc1_intfr_non4mv_mbmode_codes[4][9] = {

  283.     {  9, 22,  0, 17, 16, 10,  1,  3, 23 },

  284.     {  7,  0,  5,  2,  1,  1,  6,  3,  4 },

  285.     {  1,  0, 10, 23, 44,  8,  3,  9, 45 },

  286.     {  7, 97,  1,  2, 49, 13, 25,  0, 96 }

  287. };

  288. 

  289. const uint8_t ff_vc1_intfr_non4mv_mbmode_bits[4][9] = {

  290.     {  4,  5,  2,  5,  5,  4,  2,  2,  5 },

  291.     {  3,  4,  6,  2,  3,  2,  3,  5,  6 },

  292.     {  2,  2,  4,  5,  6,  4,  2,  4,  6 },

  293.     {  4,  8,  1,  3,  7,  5,  6,  2,  8 }

  294. };

  295. 

  296. /* Interlaced field picture MBMODE VLC tables (p. 356 - 11.4.1, 11.4.2) */

  297. /* mixed-MV */

  298. const uint8_t ff_vc1_if_mmv_mbmode_codes[8][8] = {

  299.     { 16, 17,  3,  3,  0,  5,  9,  2 },

  300.     {  8,  9,  3,  6,  7,  0,  5,  2 },

  301.     { 16, 17,  5,  3,  0,  3,  9,  2 },

  302.     { 56, 57, 15,  4,  5,  6, 29,  0 },

  303.     { 52, 53, 27, 14, 15,  2, 12,  0 },

  304.     { 56, 57, 29,  5,  6,  0, 15,  4 },

  305.     { 16, 17,  6,  7,  0,  1,  9,  5 },

  306.     { 56, 57,  0,  5,  6, 29,  4, 15 }

  307. };

  308. const uint8_t ff_vc1_if_mmv_mbmode_bits[8][8] = {

  309.     { 6, 6, 2, 3, 2, 4, 5, 2 },

  310.     { 5, 5, 3, 3, 3, 2, 4, 2 },

  311.     { 6, 6, 4, 3, 2, 2, 5, 2 },

  312.     { 6, 6, 4, 3, 3, 3, 5, 1 },

  313.     { 6, 6, 5, 4, 4, 2, 4, 1 },

  314.     { 6, 6, 5, 3, 3, 1, 4, 3 },

  315.     { 5, 5, 3, 3, 2, 2, 4, 3 },

  316.     { 6, 6, 1, 3, 3, 5, 3, 4 }

  317. };

  318. /* 1MV */

  319. const uint8_t ff_vc1_if_1mv_mbmode_codes[8][6] = {

  320.     {  0,  1,  1,  1,  1,  1 },

  321.     {  0,  1,  1,  1,  1,  1 },

  322.     { 16, 17,  3,  0,  9,  5 },

  323.     { 20, 21,  3, 11,  0,  4 },

  324.     {  4,  5,  2,  3,  3,  0 },

  325.     {  4,  5,  3,  2,  0,  3 },

  326.     {  0,  1,  1,  1,  1,  1 },

  327.     { 16, 17,  9,  5,  3,  0 }

  328. };

  329. const uint8_t ff_vc1_if_1mv_mbmode_bits[8][6] = {

  330.     { 5, 5, 1, 3, 2, 4 },

  331.     { 5, 5, 1, 2, 3, 4 },

  332.     { 5, 5, 2, 1, 4, 3 },

  333.     { 5, 5, 2, 4, 1, 3 },

  334.     { 4, 4, 2, 3, 2, 2 },

  335.     { 4, 4, 3, 2, 2, 2 },

  336.     { 5, 5, 3, 4, 1, 2 },

  337.     { 5, 5, 4, 3, 2, 1 }

  338. };

  339. 

  340. /* Interlaced frame/field picture MVDATA VLC tables */

  341. 

  342. /* 1-reference tables */

  343. const uint32_t ff_vc1_1ref_mvdata_codes[4][72] = { /* uint32_t may be too big */

  344.   {

  345.     0x00005, 0x0000C, 0x0001E, 0x00012, 0x0000C, 0x00034, 0x00075, 0x00070,

  346.     0x00000, 0x00008, 0x0001B, 0x00008, 0x0001D, 0x0007C, 0x000D6, 0x001DE,

  347.     0x001AF, 0x00005, 0x0001B, 0x00026, 0x0001E, 0x00012, 0x00076, 0x0004D,

  348.     0x001F6, 0x001F4, 0x00039, 0x0007F, 0x00027, 0x0006A, 0x00071, 0x00035,

  349.     0x00071, 0x00068, 0x001DC, 0x00027, 0x00073, 0x000FF, 0x000E8, 0x000E9,

  350.     0x0007E, 0x001F9, 0x001F5, 0x001FD, 0x0003E, 0x001CA, 0x003F9, 0x0004C,

  351.     0x00069, 0x001FA, 0x001DF, 0x001F7, 0x00070, 0x001DD, 0x00E4D, 0x00727,

  352.     0x00392, 0x001C8, 0x001CB, 0x003F8, 0x001AE, 0x001F8, 0x001FB, 0x0E4CE,

  353.     0x0E4CF, 0x07260, 0x07261, 0x07262, 0x07263, 0x07264, 0x07265, 0x07266

  354.   },

  355.   {

  356.     0x00007, 0x00001, 0x00007, 0x00016, 0x00001, 0x00045, 0x00018, 0x002B6,

  357.     0x00006, 0x00004, 0x00017, 0x00010, 0x00029, 0x0002C, 0x0015A, 0x00066,

  358.     0x0019E, 0x00009, 0x00028, 0x00017, 0x00000, 0x0002A, 0x00004, 0x0005B,

  359.     0x000B5, 0x000CE, 0x00006, 0x00044, 0x0000F, 0x00046, 0x0000E, 0x000AC,

  360.     0x00032, 0x00037, 0x011EB, 0x0000A, 0x0001A, 0x0011F, 0x00016, 0x00014,

  361.     0x0002B, 0x00168, 0x00055, 0x023D5, 0x00057, 0x0002F, 0x00036, 0x0002E,

  362.     0x00169, 0x00054, 0x0047B, 0x0019F, 0x02B7D, 0x0008E, 0x00ADE, 0x00479,

  363.     0x0056E, 0x008F4, 0x015BF, 0x00478, 0x023D4, 0x0ADF1, 0x056F9, 0xADF0E,

  364.     0xADF0F, 0x56F80, 0x56F81, 0x56F82, 0x56F83, 0x56F84, 0x56F85, 0x56F86

  365.   },

  366.   {

  367.     0x00002, 0x00006, 0x00007, 0x0000D, 0x00007, 0x00030, 0x000FF, 0x001F0,

  368.     0x00002, 0x00000, 0x00005, 0x00019, 0x0001E, 0x00007, 0x00063, 0x000FD,

  369.     0x00023, 0x0000E, 0x0001B, 0x0001A, 0x00006, 0x00009, 0x00018, 0x000C5,

  370.     0x00033, 0x001F1, 0x00002, 0x003FB, 0x001F3, 0x00022, 0x001FC, 0x00042,

  371.     0x00623, 0x00083, 0x00620, 0x0007D, 0x00040, 0x00043, 0x003E4, 0x003E5,

  372.     0x00191, 0x00FE9, 0x00105, 0x00208, 0x000FC, 0x00624, 0x00622, 0x00190,

  373.     0x00626, 0x007F5, 0x00C4B, 0x01FD0, 0x0104D, 0x00065, 0x00C42, 0x000C9,

  374.     0x00627, 0x00C43, 0x00C4A, 0x0104E, 0x01FD1, 0x0104F, 0x00412, 0x104CE,

  375.     0x104CF, 0x08260, 0x08261, 0x08262, 0x08263, 0x08264, 0x08265, 0x08266

  376.   },

  377.   {

  378.     0x0000D, 0x00001, 0x00004, 0x00000, 0x00017, 0x00005, 0x0007F, 0x0004D,

  379.     0x00003, 0x00011, 0x0003E, 0x0003B, 0x00017, 0x00067, 0x0004A, 0x000C3,

  380.     0x000F2, 0x0000A, 0x0002C, 0x00032, 0x0003D, 0x00015, 0x00028, 0x00093,

  381.     0x000CC, 0x00096, 0x00003, 0x00075, 0x00020, 0x0002D, 0x00021, 0x00029,

  382.     0x00090, 0x001D0, 0x001FB, 0x0001C, 0x0004C, 0x00060, 0x00009, 0x00008,

  383.     0x0002D, 0x0009F, 0x001FA, 0x0013D, 0x00031, 0x000FC, 0x00058, 0x00092,

  384.     0x000F0, 0x000F1, 0x000CD, 0x00185, 0x00165, 0x0004E, 0x00091, 0x000E9,

  385.     0x00184, 0x001D1, 0x001E6, 0x00097, 0x001E7, 0x000B3, 0x0013C, 0x0164E,

  386.     0x0164F, 0x00B20, 0x00B21, 0x00B22, 0x00B23, 0x00B24, 0x00B25, 0x00B26

  387.   }

  388. };

  389. 

  390. const uint8_t ff_vc1_1ref_mvdata_bits[4][72] = {

  391.   {

  392.      3,  4,  5,  5,  5,  6,  7,  7,  2,  4,  5,  5,  6,  7,  8,  9,  9,  4,

  393.      6,  6,  6,  6,  7,  8,  9,  9,  6,  8,  7,  7,  7,  7,  8,  8,  9,  6,

  394.      8,  8,  8,  8,  8,  9,  9,  9,  7, 10, 10,  8,  8,  9,  9,  9,  8,  9,

  395.     13, 12, 11, 10, 10, 10,  9,  9,  9, 17, 17, 16, 16, 16, 16, 16, 16, 16

  396.   },

  397.   {

  398.      3,  3,  4,  5,  5,  7,  8, 10,  3,  4,  5,  5,  6,  7,  9, 10, 12,  4,

  399.      6,  6,  5,  6,  6,  8,  9, 11,  4,  7,  7,  7,  7,  8,  9,  9, 13,  5,

  400.      8,  9,  8,  8,  9, 10, 10, 14,  7,  9,  9,  9, 10, 10, 11, 12, 14,  8,

  401.     12, 11, 11, 12, 13, 11, 14, 16, 15, 20, 20, 19, 19, 19, 19, 19, 19, 19

  402.   },

  403.   {

  404.      3,  4,  4,  4,  5,  6,  8,  9,  2,  4,  5,  5,  5,  6,  7,  8,  8,  4,

  405.      7,  7,  6,  6,  7,  8,  8,  9,  5, 10,  9,  8,  9,  9, 11, 10, 11,  7,

  406.      9,  9, 10, 10, 11, 12, 11, 12,  8, 11, 11, 11, 11, 11, 12, 13, 15,  9,

  407.     12, 10, 11, 12, 12, 15, 13, 15, 13, 19, 19, 18, 18, 18, 18, 18, 18, 18

  408.   },

  409.   {

  410.      4,  4,  4,  4,  5,  5,  7,  7,  3,  5,  6,  6,  6,  7,  7,  8,  8,  4,

  411.      6,  6,  6,  6,  7,  8,  8,  8,  4,  7,  6,  6,  6,  7,  8,  9,  9,  5,

  412.      7,  7,  6,  6,  7,  8,  9,  9,  6,  8,  8,  8,  8,  8,  8,  9, 10,  7,

  413.      8,  8,  9,  9,  9,  8,  9,  9,  9, 14, 14, 13, 13, 13, 13, 13, 13, 13

  414.   }

  415. };

  416. 

  417. /* 2-reference tables */

  418. const uint32_t ff_vc1_2ref_mvdata_codes[8][126] = { /* table 132 - table 139 */

  419.   {

  420.     0x0000C, 0x0001C, 0x0000B, 0x00000, 0x0000E, 0x0002A, 0x00050, 0x00368,

  421.     0x00002, 0x0001A, 0x00004, 0x0003A, 0x0001D, 0x0006C, 0x000EF, 0x001BC,

  422.     0x0015F, 0x0000F, 0x00003, 0x0001C, 0x0000D, 0x0000B, 0x0003E, 0x000A7,

  423.     0x00146, 0x00199, 0x00006, 0x0001F, 0x00004, 0x0003C, 0x00007, 0x001BE,

  424.     0x0008B, 0x0002C, 0x007B3, 0x00005, 0x000DB, 0x00056, 0x000EC, 0x00052,

  425.     0x001BD, 0x00078, 0x000CF, 0x00573, 0x00009, 0x00023, 0x000ED, 0x00018,

  426.     0x00006, 0x00044, 0x000F5, 0x00079, 0x006D2, 0x0006E, 0x0002B, 0x0015D,

  427.     0x00017, 0x0037F, 0x00144, 0x000CE, 0x00028, 0x000AB, 0x00010, 0x001B5,

  428.     0x000F7, 0x000A6, 0x0007B, 0x00028, 0x001ED, 0x001E9, 0x006FD, 0x00004,

  429.     0x000F5, 0x00029, 0x0028A, 0x0028B, 0x0028F, 0x00DF9, 0x00335, 0x01E85,

  430.     0x000EE, 0x002BD, 0x0002B, 0x003D8, 0x003D1, 0x00198, 0x001E9, 0x0051D,

  431.     0x000B4, 0x0003F, 0x00455, 0x0022B, 0x00229, 0x00451, 0x00578, 0x007B2,

  432.     0x00570, 0x00155, 0x00032, 0x003D0, 0x00054, 0x006D3, 0x00571, 0x00454,

  433.     0x00334, 0x01BF1, 0x000B7, 0x00029, 0x01E84, 0x0016C, 0x0019B, 0x01BF0,

  434.     0x00579, 0x00F43, 0x000B5, 0x008A1, 0x0002A, 0x0016D, 0x008A0, 0x007A0,

  435.     0x003D1, 0x00AE5, 0x00154, 0x00AE4, 0x00A39, 0x00A38

  436.   },

  437.   {

  438.     0x00003, 0x00009, 0x00016, 0x00010, 0x000D7, 0x00335, 0x00574, 0x00555,

  439.     0x00000, 0x0001D, 0x00009, 0x00017, 0x0002C, 0x000AD, 0x00374, 0x006B3,

  440.     0x00577, 0x0000F, 0x00018, 0x0000A, 0x0002E, 0x00022, 0x0017C, 0x00E7B,

  441.     0x01B89, 0x015D8, 0x00008, 0x00034, 0x0006D, 0x00023, 0x001C2, 0x00376,

  442.     0x002D3, 0x01C4A, 0x0330A, 0x00014, 0x0006A, 0x00072, 0x0006C, 0x000E3,

  443.     0x0019B, 0x0073F, 0x01CF0, 0x00B41, 0x00032, 0x000E6, 0x000E0, 0x000CF,

  444.     0x000AB, 0x0019C, 0x002AB, 0x00E2B, 0x015D9, 0x0006F, 0x001C3, 0x000AF,

  445.     0x000BF, 0x000AC, 0x0017D, 0x006E3, 0x00E29, 0x01984, 0x00054, 0x000B5,

  446.     0x0017A, 0x001AD, 0x00199, 0x00178, 0x00358, 0x002D2, 0x01C4B, 0x0005B,

  447.     0x002A8, 0x00331, 0x00388, 0x0038B, 0x00370, 0x00713, 0x00CC3, 0x01CF1,

  448.     0x001B9, 0x005EF, 0x00738, 0x002F2, 0x0033B, 0x002B9, 0x006EB, 0x00570,

  449.     0x00E24, 0x0039D, 0x005A2, 0x005A3, 0x00E7D, 0x005EE, 0x00739, 0x00554,

  450.     0x00AA5, 0x00AA4, 0x00377, 0x01CF5, 0x00BCE, 0x00E79, 0x00660, 0x00674,

  451.     0x006EA, 0x00E7C, 0x00D65, 0x002F6, 0x015DA, 0x01B88, 0x005A1, 0x01CF4,

  452.     0x005E6, 0x00E28, 0x00575, 0x00D64, 0x00334, 0x0330B, 0x015DB, 0x00B40,

  453.     0x00BCF, 0x00DC5, 0x00E2A, 0x00675, 0x00571, 0x00553

  454.   },

  455.   {

  456.     0x00004, 0x00002, 0x00010, 0x00003, 0x00017, 0x00045, 0x0003E, 0x0007E,

  457.     0x00003, 0x00002, 0x00028, 0x0001E, 0x00015, 0x00047, 0x00002, 0x0014D,

  458.     0x00060, 0x0000B, 0x00026, 0x00024, 0x00014, 0x00032, 0x0006F, 0x000C3,

  459.     0x00531, 0x006E5, 0x00015, 0x0003F, 0x0002D, 0x00001, 0x0013E, 0x000DD,

  460.     0x000F6, 0x00305, 0x00331, 0x0000E, 0x00003, 0x00034, 0x00033, 0x0001A,

  461.     0x0014A, 0x000C5, 0x000F4, 0x006E4, 0x00001, 0x0003C, 0x0007D, 0x0008D,

  462.     0x0009D, 0x00031, 0x0006E, 0x00296, 0x000CD, 0x00025, 0x00149, 0x00032,

  463.     0x00089, 0x00036, 0x00088, 0x0006F, 0x00003, 0x0031D, 0x0000E, 0x001AA,

  464.     0x0027E, 0x00061, 0x0014E, 0x0014F, 0x00067, 0x000FF, 0x00183, 0x00036,

  465.     0x00357, 0x000F5, 0x000C6, 0x000C2, 0x00299, 0x00119, 0x00231, 0x00350,

  466.     0x0002C, 0x0018F, 0x00530, 0x00297, 0x00004, 0x001B8, 0x000C0, 0x0027A,

  467.     0x00311, 0x0009C, 0x00621, 0x00199, 0x0031C, 0x000F7, 0x003E3, 0x00356,

  468.     0x00189, 0x00005, 0x0006B, 0x008C2, 0x00330, 0x004FF, 0x004F0, 0x00351,

  469.     0x004F2, 0x001F2, 0x00373, 0x00000, 0x00C41, 0x008C3, 0x009EC, 0x003E2,

  470.     0x00304, 0x004F7, 0x004F1, 0x001F0, 0x00148, 0x00C40, 0x009ED, 0x008C0,

  471.     0x008C1, 0x004F3, 0x004FE, 0x000FE, 0x001F3, 0x001A9

  472.   },

  473.   {

  474.     0x00000, 0x00004, 0x0002F, 0x00052, 0x00010, 0x000AD, 0x0050B, 0x00190,

  475.     0x00003, 0x00016, 0x00007, 0x0000D, 0x000BB, 0x00173, 0x000C9, 0x0050F,

  476.     0x0172C, 0x00003, 0x00011, 0x00005, 0x00043, 0x00023, 0x0004B, 0x0032E,

  477.     0x02E5B, 0x00482, 0x00009, 0x0002A, 0x00014, 0x0002A, 0x00108, 0x005CA,

  478.     0x0065A, 0x02136, 0x02132, 0x0000B, 0x00013, 0x00041, 0x000B8, 0x00174,

  479.     0x00100, 0x014DA, 0x0404E, 0x01437, 0x0002B, 0x00085, 0x000A7, 0x000A0,

  480.     0x0014C, 0x0029A, 0x0032C, 0x02133, 0x0142A, 0x00051, 0x00284, 0x000AC,

  481.     0x00102, 0x00045, 0x00044, 0x0081B, 0x0065E, 0x00CB7, 0x00018, 0x0050C,

  482.     0x00212, 0x002E4, 0x00203, 0x00094, 0x00122, 0x0081A, 0x00655, 0x00033,

  483.     0x002BA, 0x00246, 0x00242, 0x00A6E, 0x0040C, 0x00808, 0x02134, 0x0404F,

  484.     0x00175, 0x00405, 0x00247, 0x0012A, 0x00A14, 0x002BB, 0x00191, 0x0084F,

  485.     0x01438, 0x000AF, 0x00B97, 0x00483, 0x0143B, 0x0032B, 0x00243, 0x0142B,

  486.     0x00958, 0x029BF, 0x00049, 0x00A6C, 0x014DB, 0x004AD, 0x014DE, 0x0084E,

  487.     0x01434, 0x00257, 0x02E5A, 0x00207, 0x01435, 0x01439, 0x00CB6, 0x0143A,

  488.     0x00194, 0x00654, 0x02135, 0x0537C, 0x0015C, 0x00240, 0x01012, 0x0537D,

  489.     0x00959, 0x01098, 0x01436, 0x0065F, 0x02026, 0x02137

  490.   },

  491.   {

  492.     0x00005, 0x00019, 0x00016, 0x00011, 0x0003E, 0x0005E, 0x000EF, 0x000E2,

  493.     0x00000, 0x00039, 0x0002B, 0x00026, 0x00028, 0x00012, 0x000C2, 0x000ED,

  494.     0x0011D, 0x0000D, 0x00031, 0x0002A, 0x00025, 0x00020, 0x0005C, 0x001ED,

  495.     0x0024D, 0x00770, 0x00006, 0x0007A, 0x00060, 0x0004F, 0x00048, 0x00039,

  496.     0x00186, 0x00213, 0x00EC6, 0x0000F, 0x00026, 0x0005F, 0x00075, 0x00070,

  497.     0x00027, 0x001DB, 0x003C6, 0x0078F, 0x0003F, 0x000A6, 0x000F0, 0x0003A,

  498.     0x00052, 0x0004E, 0x000E3, 0x001D9, 0x0030F, 0x00010, 0x001DD, 0x000A7,

  499.     0x000F7, 0x00022, 0x00092, 0x003C4, 0x002EF, 0x00762, 0x00079, 0x0008F,

  500.     0x001DA, 0x00087, 0x000E8, 0x000BA, 0x00176, 0x000EE, 0x003B0, 0x00085,

  501.     0x00119, 0x0030E, 0x00108, 0x001D2, 0x0010C, 0x00773, 0x00424, 0x00434,

  502.     0x00071, 0x005DD, 0x001C1, 0x003A7, 0x00127, 0x0008D, 0x0021B, 0x007B2,

  503.     0x001DF, 0x003D8, 0x00764, 0x00EE4, 0x003B3, 0x0074D, 0x001D8, 0x005DC,

  504.     0x0084A, 0x00499, 0x003C5, 0x01D8E, 0x00765, 0x00435, 0x00771, 0x001C2,

  505.     0x00118, 0x003BC, 0x00381, 0x00387, 0x07B33, 0x01097, 0x01096, 0x01ECD,

  506.     0x00E99, 0x00F1C, 0x00F1D, 0x00EE5, 0x0011C, 0x07B32, 0x03D98, 0x01D8F,

  507.     0x00E98, 0x00F67, 0x003BD, 0x00380, 0x00498, 0x00386

  508.   },

  509.   {

  510.     0x0000D, 0x00010, 0x0002E, 0x00039, 0x0000D, 0x00074, 0x000ED, 0x000B6,

  511.     0x00001, 0x00002, 0x00000, 0x00030, 0x00029, 0x00070, 0x000F3, 0x0008C,

  512.     0x00166, 0x00009, 0x00033, 0x00078, 0x00006, 0x000C4, 0x0000B, 0x00163,

  513.     0x000CC, 0x005BE, 0x0001F, 0x0002F, 0x00064, 0x00018, 0x000C6, 0x0000A,

  514.     0x00162, 0x002C0, 0x00EF3, 0x00007, 0x0000F, 0x000E3, 0x000CA, 0x000B2,

  515.     0x0018F, 0x003AE, 0x0075F, 0x00C51, 0x00015, 0x00047, 0x000EE, 0x000E2,

  516.     0x000EA, 0x00009, 0x0016A, 0x002C3, 0x0059D, 0x0003D, 0x00008, 0x001D9,

  517.     0x00032, 0x0000E, 0x0016E, 0x0032C, 0x0065B, 0x0196B, 0x00002, 0x0000F,

  518.     0x001D8, 0x0008D, 0x000B4, 0x001E4, 0x00067, 0x00317, 0x00794, 0x00022,

  519.     0x003BE, 0x00315, 0x00034, 0x00037, 0x002DE, 0x0006C, 0x00EFE, 0x0066C,

  520.     0x00028, 0x003CB, 0x003AC, 0x00035, 0x0016B, 0x003BD, 0x002C1, 0x0062C,

  521.     0x01DFE, 0x0000E, 0x0059E, 0x005BF, 0x000DA, 0x00629, 0x00584, 0x00EB7,

  522.     0x00B0A, 0x0066D, 0x0000C, 0x0077E, 0x0059C, 0x00778, 0x0075E, 0x0075A,

  523.     0x0062D, 0x00337, 0x00334, 0x00197, 0x01E57, 0x01DE4, 0x0196A, 0x01E56,

  524.     0x00C50, 0x00B3F, 0x01E54, 0x00B0B, 0x0018E, 0x001B6, 0x01E55, 0x00CB4,

  525.     0x00B3E, 0x00EB6, 0x01DE5, 0x01DFF, 0x00335, 0x001B7

  526.   },

  527.   {

  528.     0x00001, 0x0000B, 0x00019, 0x0006F, 0x0002A, 0x00075, 0x007EB, 0x00163,

  529.     0x00001, 0x0000E, 0x0001A, 0x0003E, 0x0001C, 0x0002D, 0x00164, 0x007EC,

  530.     0x00165, 0x00004, 0x00006, 0x00036, 0x0007F, 0x000AE, 0x00158, 0x0015C,

  531.     0x0056D, 0xFD510, 0x00000, 0x00004, 0x0007B, 0x000F3, 0x0003B, 0x007ED,

  532.     0x002B3, 0x002CC, 0x0056E, 0x00018, 0x0003E, 0x00017, 0x0001E, 0x000AF,

  533.     0x003F7, 0x0056F, 0x002CD, 0xFD511, 0x00014, 0x000AD, 0x000AA, 0x00014,

  534.     0x000A8, 0x00153, 0x000E8, 0x001FE, 0x00DCF, 0x00078, 0x001B8, 0x00152,

  535.     0x000FE, 0x002B1, 0x0015D, 0x00160, 0xFD512, 0xFD513, 0x0007A, 0x002B0,

  536.     0x001E5, 0x000E9, 0x000FC, 0x006E6, 0x00DC8, 0x00584, 0xFD514, 0x000AB,

  537.     0x00DDE, 0x00159, 0x003F4, 0x00DC9, 0x00DCA, 0x001FA, 0xFD515, 0xFD516,

  538.     0x000FC, 0x001FF, 0x001E4, 0x000AF, 0x0015A, 0x00167, 0x00DCB, 0x00585,

  539.     0xFD517, 0x003F7, 0x03F55, 0xFD518, 0x00DDC, 0x00586, 0x03F56, 0xFD519,

  540.     0x03F57, 0xFD51A, 0x001BA, 0x00587, 0x00588, 0x00DDF, 0x002B2, 0xFD51B,

  541.     0x00DCE, 0x003F6, 0xFD51C, 0x00FD4, 0xFD51D, 0xFD51E, 0xFD51F, 0x7EA80,

  542.     0x7EA81, 0x0056C, 0x7EA82, 0x7EA83, 0x00376, 0x00589, 0x0058A, 0x7EA84,

  543.     0x7EA85, 0x00DDD, 0x7EA86, 0x7EA87, 0x0058B, 0x07EA9

  544.   },

  545.   {

  546.     0x00003, 0x0000E, 0x0000F, 0x0007E, 0x00062, 0x000C6, 0x00CD9, 0x0063E,

  547.     0x00002, 0x00002, 0x00000, 0x00018, 0x0000C, 0x00069, 0x00039, 0x00707,

  548.     0x00C7E, 0x00002, 0x0000D, 0x0001B, 0x0000F, 0x0019A, 0x00647, 0x01A37,

  549.     0x346C4, 0x0346D, 0x00001, 0x0001E, 0x0007F, 0x0000A, 0x000E1, 0x00661,

  550.     0x00CE4, 0x346C5, 0x346C6, 0x0001D, 0x00030, 0x0000D, 0x000CB, 0x00199,

  551.     0x00320, 0x0008E, 0x0652E, 0x346C7, 0x0003E, 0x00039, 0x00035, 0x00033,

  552.     0x0019F, 0x001C0, 0x00CDA, 0x346C8, 0x346C9, 0x0000B, 0x000D0, 0x0019E,

  553.     0x00022, 0x00038, 0x0018E, 0x0031E, 0x03294, 0x0023C, 0x00032, 0x00012,

  554.     0x00013, 0x00071, 0x0019D, 0x00020, 0x00C87, 0x00CC0, 0x346CA, 0x00338,

  555.     0x00653, 0x001A2, 0x0032A, 0x00322, 0x00CE7, 0x00084, 0x0011F, 0x346CB,

  556.     0x00325, 0x00649, 0x0032B, 0x00077, 0x00648, 0x00642, 0x00C86, 0x00C8C,

  557.     0x346CC, 0x0003A, 0x019B7, 0x00043, 0x00327, 0x0008C, 0x0008D, 0x00C8D,

  558.     0x346CD, 0x346CE, 0x00337, 0x00CE5, 0x00085, 0x00326, 0x00347, 0x00CA4,

  559.     0x00C7F, 0x00D1A, 0x346CF, 0x00328, 0x1A360, 0x1A361, 0x00CD8, 0x0068C,

  560.     0x03295, 0x03296, 0x0652F, 0x066D8, 0x00331, 0x00706, 0x0023D, 0x00076,

  561.     0x00CC1, 0x00382, 0x00CE6, 0x066D9, 0x066DA, 0x066DB

  562.   }

  563. };

  564. 

  565. const uint8_t ff_vc1_2ref_mvdata_bits[8][126] = {

  566.   {

  567.      4,  5,  5,  5,  6,  7,  8, 10,  2,  5,  5,  6,  6,  7,  8,  9,

  568.     10,  4,  5,  6,  6,  7,  8,  9, 10, 11,  4,  6,  6,  7,  7,  9,

  569.      9, 10, 12,  5,  8,  8,  8,  8,  9,  9, 10, 12,  5,  7,  8,  7,

  570.      7,  8,  9,  9, 11,  7,  9, 10,  9, 10, 10, 10, 10, 12,  6,  9,

  571.      9,  9,  9,  9, 10, 10, 11,  7, 10, 10, 11, 11, 11, 12, 12, 14,

  572.      8, 11, 10, 11, 11, 11, 11, 12, 12,  8, 12, 11, 11, 12, 12, 12,

  573.     12, 13,  8, 12, 11, 11, 12, 12, 12, 13, 12,  9, 14, 13, 11, 13,

  574.     12, 13, 12, 13,  9, 13, 13, 12, 12, 13, 13, 13, 13, 13

  575.   },

  576.   {

  577.      3,  4,  5,  6,  8, 10, 11, 11,  2,  5,  5,  6,  7,  8, 10, 11,

  578.     11,  4,  5,  5,  6,  7,  9, 12, 13, 13,  4,  6,  7,  7,  9, 10,

  579.     11, 13, 14,  5,  7,  7,  7,  8,  9, 11, 13, 13,  6,  8,  8,  8,

  580.      8,  9, 10, 12, 13,  7,  9,  8,  8,  8,  9, 11, 12, 13,  7,  9,

  581.      9,  9,  9,  9, 10, 11, 13,  8, 10, 10, 10, 10, 10, 11, 12, 13,

  582.      9, 11, 11, 10, 10, 10, 11, 11, 12, 10, 12, 12, 12, 11, 11, 11,

  583.     12, 12, 10, 13, 12, 12, 11, 11, 11, 12, 12, 10, 13, 13, 12, 13,

  584.     11, 12, 11, 12, 10, 14, 13, 13, 12, 12, 12, 11, 11, 11

  585.   },

  586.   {

  587.      4,  4,  5,  5,  6,  7,  8,  9,  2,  5,  6,  6,  6,  7,  7,  9,

  588.      9,  4,  6,  6,  6,  7,  8,  9, 11, 12,  5,  7,  7,  7,  9,  9,

  589.     10, 11, 12,  5,  7,  7,  7,  7,  9,  9, 10, 12,  5,  8,  8,  8,

  590.      8,  8,  9, 10, 10,  6,  9,  8,  8,  8,  8,  9,  9, 11,  6, 10,

  591.     10,  9,  9,  9,  9, 10, 10,  7, 11, 10,  9,  9, 10,  9, 10, 11,

  592.      7, 10, 11, 10, 10, 10,  9, 10, 11,  8, 12, 11, 11, 10, 11, 11,

  593.     10, 10,  8, 12, 12, 11, 11, 11, 11, 10, 11,  8, 13, 12, 12, 11,

  594.     11, 11, 11, 10,  9, 13, 12, 12, 12, 11, 11, 10, 10, 10

  595.   },

  596.   {

  597.      3,  4,  6,  7,  7,  9, 11, 11,  2,  5,  5,  6,  8,  9, 10, 11,

  598.     13,  3,  5,  5,  7,  8,  9, 12, 14, 13,  4,  6,  6,  7,  9, 11,

  599.     13, 14, 14,  5,  7,  7,  8,  9,  9, 13, 15, 13,  6,  8,  8,  8,

  600.      9, 10, 12, 14, 13,  7, 10,  9,  9,  9,  9, 12, 13, 14,  7, 11,

  601.     10, 10, 10, 10, 11, 12, 13,  8, 11, 12, 12, 12, 11, 12, 14, 15,

  602.      9, 11, 12, 11, 12, 11, 11, 12, 13,  9, 12, 13, 13, 12, 12, 13,

  603.     14, 14,  9, 12, 13, 13, 13, 12, 13, 12, 14, 10, 13, 13, 14, 13,

  604.     11, 13, 14, 15, 10, 12, 13, 15, 14, 13, 13, 13, 14, 14

  605.   },

  606.   {

  607.      4,  5,  5,  5,  6,  7,  8,  8,  2,  6,  6,  6,  6,  6,  8,  9,

  608.     10,  4,  6,  6,  6,  6,  7,  9, 10, 11,  4,  7,  7,  7,  7,  7,

  609.      9, 10, 12,  5,  7,  7,  7,  7,  7,  9, 10, 11,  6,  8,  8,  7,

  610.      7,  7,  8,  9, 10,  6,  9,  8,  8,  7,  8, 10, 10, 11,  7,  9,

  611.      9,  8,  8,  8,  9,  9, 10,  8, 10, 10,  9,  9,  9, 11, 11, 11,

  612.      8, 11, 10, 10,  9,  9, 10, 11, 10, 10, 12, 12, 11, 11, 10, 11,

  613.     12, 11, 10, 13, 12, 11, 11, 10, 10, 11, 11, 11, 15, 13, 13, 13,

  614.     12, 12, 12, 12, 10, 15, 14, 13, 12, 12, 11, 11, 11, 11

  615.   },

  616.   {

  617.      4,  5,  6,  6,  6,  7,  8,  8,  2,  4,  5,  6,  6,  7,  8,  8,

  618.      9,  4,  6,  7,  7,  8,  8,  9, 10, 11,  5,  6,  7,  7,  8,  8,

  619.      9, 10, 12,  5,  7,  8,  8,  8,  9, 10, 11, 12,  5,  7,  8,  8,

  620.      8,  8,  9, 10, 11,  6,  8,  9,  8,  8,  9, 10, 11, 13,  5,  8,

  621.      9,  8,  8,  9,  9, 10, 11,  6, 10, 10,  9,  9, 10, 10, 12, 13,

  622.      6, 10, 10,  9,  9, 10, 10, 11, 13,  7, 11, 11, 11, 11, 11, 12,

  623.     12, 13,  7, 11, 11, 11, 11, 11, 11, 12, 12,  9, 13, 13, 13, 13,

  624.     12, 12, 13, 12,  9, 12, 13, 12, 12, 12, 13, 13, 12, 12

  625.   },

  626.   {

  627.      3,  5,  6,  8,  9, 10, 12, 12,  1,  5,  6,  7,  8,  9, 12, 12,

  628.     12,  4,  6,  7,  8,  9, 12, 12, 14, 21,  4,  6,  8,  9,  9, 12,

  629.     13, 13, 14,  6,  9,  8,  8,  9, 13, 14, 13, 21,  6,  9,  9,  8,

  630.      9, 10, 11, 12, 13,  8, 10, 10, 11, 11, 12, 12, 21, 21,  8, 11,

  631.     10, 11, 11, 12, 13, 14, 21,  9, 13, 10, 11, 13, 13, 12, 21, 21,

  632.      9, 12, 10, 11, 12, 12, 13, 14, 21, 11, 15, 21, 13, 14, 15, 21,

  633.     15, 21, 10, 14, 14, 13, 13, 21, 13, 13, 21, 13, 21, 21, 21, 20,

  634.     20, 14, 20, 20, 11, 14, 14, 20, 20, 13, 20, 20, 14, 16

  635.   },

  636.   {

  637.      2,  5,  6,  8,  9, 10, 13, 13,  2,  4,  5,  6,  8,  9, 10, 13,

  638.     14,  3,  5,  7,  8, 10, 12, 15, 20, 16,  4,  6,  8,  8, 10, 12,

  639.     13, 20, 20,  7,  8,  8,  9, 10, 11, 12, 16, 20,  7,  8,  8,  8,

  640.     10, 11, 13, 20, 20,  8, 10, 10, 10, 10, 11, 12, 15, 14,  8,  9,

  641.      9,  9, 10, 10, 13, 13, 20, 11, 12, 11, 11, 11, 13, 12, 13, 20,

  642.     11, 12, 11, 11, 12, 12, 13, 13, 20, 10, 14, 11, 11, 12, 12, 13,

  643.     20, 20, 11, 13, 12, 11, 12, 13, 14, 14, 20, 11, 19, 19, 13, 13,

  644.     15, 15, 16, 16, 11, 13, 14, 11, 13, 12, 13, 16, 16, 16

  645.   }

  646. };

  647. 

  648. const uint8_t ff_wmv3_dc_scale_table[32] = {

  649.      0,  2,  4,  8,  8,  8,  9,  9, 10, 10, 11, 11, 12, 12, 13, 13,

  650.     14, 14, 15, 15, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21

  651. };

  652. 

  653. /* P-Picture CBPCY VLC tables */

  654. // Looks like original tables are not conforming to standard at all. Are they used for old WMV?

  655. const uint16_t ff_vc1_cbpcy_p_codes[4][64] = {

  656.   {

  657.       0,   6,  15,  13,  13,  11,   3,  13,   5,   8,  49,  10,  12, 114, 102, 119,

  658.       1,  54,  96,   8,  10, 111,   5,  15,  12,  10,   2,  12,  13, 115,  53,  63,

  659.       1,   7,   1,   7,  14,  12,   4,  14,   1,   9,  97,  11,   7,  58,  52,  62,

  660.       4, 103,   1,   9,  11,  56, 101, 118,   4, 110, 100,  30,   2,   5,   4,   3

  661.   },

  662.   {

  663.       0,   9,   1,  18,   5,  14, 237,  26,   3, 121,   3,  22,  13,  16,   6,  30,

  664.       2,  10,   1,  20,  12, 241,   5,  28,  16,  12,   3,  24,  28, 124, 239, 247,

  665.       1, 240,   1,  19,  18,  15,   4,  27,   1, 122,   2,  23,   1,  17,   7,  31,

  666.       1,  11,   2,  21,  19, 246, 238,  29,  17,  13, 236,  25,  58,  63,   8, 125

  667.   },

  668.   {

  669.       0, 201,  25, 231,   5, 221,   1,   3,   2, 414,   2, 241,  16, 225, 195, 492,

  670.       2, 412,   1, 240,   7, 224,  98, 245,   1, 220,  96,   5,   9, 230, 101, 247,

  671.       1, 102,   1, 415,  24,   3,   2, 244,   3,  54,   3, 484,  17, 114, 200, 493,

  672.       3, 413,   1,   4,  13, 113,  99, 485,   4, 111, 194, 243,   5,  29,  26,  31

  673.   },

  674.   {

  675.       0,  28,  12,  44,   3,  36,  20,  52,   2,  32,  16,  48,   8,  40,  24,  28,

  676.       1,  30,  14,  46,   6,  38,  22,  54,   3,  34,  18,  50,  10,  42,  26,  30,

  677.       1,  29,  13,  45,   5,  37,  21,  53,   2,  33,  17,  49,   9,  41,  25,  29,

  678.       1,  31,  15,  47,   7,  39,  23,  55,   4,  35,  19,  51,  11,  43,  27,  31

  679.    }

  680. };

  681. 

  682. const uint8_t ff_vc1_cbpcy_p_bits[4][64] = {

  683.   {

  684.     13,  13,   7,  13,   7,  13,  13,  12,   6,  13,   7,  12,   6,   8,   8,   8,

  685.      5,   7,   8,  12,   6,   8,  13,  12,   7,  13,  13,  12,   6,   8,   7,   7,

  686.      6,  13,   8,  12,   7,  13,  13,  12,   7,  13,   8,  12,   5,   7,   7,   7,

  687.      6,   8,  13,  12,   6,   7,   8,   8,   5,   8,   8,   6,   3,   3,   3,   2

  688.   },

  689.   {

  690.     14,  13,   8,  13,   3,  13,   8,  13,   3,   7,   8,  13,   4,  13,  13,  13,

  691.      3,  13,  13,  13,   4,   8,  13,  13,   5,  13,  13,  13,   5,   7,   8,   8,

  692.      3,   8,  14,  13,   5,  13,  13,  13,   4,   7,  13,  13,   6,  13,  13,  13,

  693.      5,  13,   8,  13,   5,   8,   8,  13,   5,  13,   8,  13,   6,   6,  13,   7

  694.   },

  695.   {

  696.     13,   8,   6,   8,   4,   8,  13,  12,   4,   9,   8,   8,   5,   8,   8,   9,

  697.      5,   9,  10,   8,   4,   8,   7,   8,   6,   8,   7,  13,   4,   8,   7,   8,

  698.      5,   7,   8,   9,   6,  13,  13,   8,   4,   6,   8,   9,   5,   7,   8,   9,

  699.      5,   9,   9,  13,   5,   7,   7,   9,   4,   7,   8,   8,   3,   5,   5,   5

  700.   },

  701.   {

  702.      9,   9,   9,   9,   2,   9,   9,   9,   2,   9,   9,   9,   9,   9,   9,   8,

  703.      3,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   8,

  704.      2,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   8,

  705.      9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   9,   8

  706.   }

  707. };

  708. 

  709. /* Interlaced CBPCY VLC tables (Table 124 - Table 131) */

  710. const uint16_t ff_vc1_icbpcy_p_codes[8][63] = {

  711.   {

  712.     0x2F1A, 0x2F1B, 0x178C, 0x0090, 0x02A8, 0x02A9, 0x0BC7, 0x0091,

  713.     0x02AA, 0x02AB, 0x05E0, 0x004A, 0x0096, 0x0097, 0x00BD, 0x0092,

  714.     0x02AC, 0x02AD, 0x05E1, 0x0098, 0x0132, 0x0133, 0x0179, 0x0134,

  715.     0x026A, 0x026B, 0x02FC, 0x004E, 0x0040, 0x0041, 0x002B, 0x0093,

  716.     0x02AE, 0x02AF, 0x05E2, 0x0136, 0x026E, 0x026F, 0x02FD, 0x009E,

  717.     0x013E, 0x013F, 0x017F, 0x0050, 0x0042, 0x0043, 0x002C, 0x0051,

  718.     0x00A4, 0x00A5, 0x00BE, 0x0053, 0x0044, 0x0045, 0x002D, 0x0054,

  719.     0x0046, 0x0047, 0x002E, 0x0003, 0x0000, 0x0001, 0x0001

  720.   },

  721.   {

  722.     0x0041, 0x0042, 0x0100, 0x0043, 0x0088, 0x0089, 0x0101, 0x0045,

  723.     0x008C, 0x008D, 0x0102, 0x0010, 0x0022, 0x0023, 0x0024, 0x0047,

  724.     0x0010, 0x0011, 0x0103, 0x0025, 0x0058, 0x0059, 0x005A, 0x005B,

  725.     0x005A, 0x005B, 0x005C, 0x000C, 0x0030, 0x0031, 0x0019, 0x0009,

  726.     0x0014, 0x0015, 0x002C, 0x005C, 0x005D, 0x005E, 0x005F, 0x0026,

  727.     0x005D, 0x005E, 0x005F, 0x000D, 0x0034, 0x0035, 0x001B, 0x0014,

  728.     0x0027, 0x002A, 0x002B, 0x000E, 0x0038, 0x0039, 0x001D, 0x000F,

  729.     0x003C, 0x003D, 0x001F, 0x0005, 0x0009, 0x0000, 0x0003

  730.   },

  731.   {

  732.     0x0032, 0x0033, 0x001A, 0x0026, 0x00E4, 0x00E5, 0x01E6, 0x0027,

  733.     0x00E6, 0x00E7, 0x01E7, 0x000E, 0x0063, 0x006C, 0x0077, 0x0028,

  734.     0x00E8, 0x00E9, 0x01E8, 0x007B, 0x00DA, 0x00DB, 0x00EC, 0x00F5,

  735.     0x01B8, 0x01B9, 0x01DA, 0x0021, 0x004B, 0x0054, 0x002B, 0x0029,

  736.     0x00EA, 0x00EB, 0x01E9, 0x004A, 0x01BA, 0x01BB, 0x01DB, 0x0020,

  737.     0x00DE, 0x00DF, 0x00F2, 0x0022, 0x0055, 0x0058, 0x002D, 0x000F,

  738.     0x0070, 0x0071, 0x0078, 0x0023, 0x0059, 0x005C, 0x002F, 0x0024,

  739.     0x005D, 0x0062, 0x0030, 0x0002, 0x001F, 0x0006, 0x0000

  740.   },

  741.   {

  742.     0x0028, 0x0029, 0x009D, 0x0000, 0x01EA, 0x01EB, 0x01EC, 0x0001,

  743.     0x01ED, 0x01EE, 0x01EF, 0x0005, 0x00F0, 0x00F1, 0x003B, 0x0002,

  744.     0x01F0, 0x01F1, 0x01F2, 0x003F, 0x015C, 0x015D, 0x0099, 0x0010,

  745.     0x03D0, 0x03D1, 0x0130, 0x000F, 0x009E, 0x009F, 0x00FB, 0x0003,

  746.     0x01F3, 0x01F4, 0x01F5, 0x0011, 0x03D2, 0x03D3, 0x0131, 0x0009,

  747.     0x015E, 0x015F, 0x009C, 0x0010, 0x00A8, 0x00A9, 0x0038, 0x0006,

  748.     0x00F2, 0x00F3, 0x004D, 0x0011, 0x00AA, 0x00AB, 0x0039, 0x0012,

  749.     0x00AC, 0x00AD, 0x003A, 0x0006, 0x0016, 0x0017, 0x000E

  750.   },

  751.   {

  752.     0x003C, 0x003D, 0x001F, 0x000A, 0x0061, 0x0062, 0x0002, 0x000B,

  753.     0x0063, 0x0064, 0x0003, 0x0007, 0x0003, 0x0004, 0x000B, 0x000C,

  754.     0x0065, 0x0066, 0x0004, 0x0012, 0x000A, 0x000B, 0x0014, 0x001B,

  755.     0x0018, 0x0019, 0x0034, 0x002C, 0x0067, 0x0068, 0x0035, 0x000D,

  756.     0x0069, 0x006C, 0x0005, 0x0060, 0x001A, 0x001B, 0x0035, 0x0013,

  757.     0x000E, 0x000F, 0x0015, 0x002D, 0x006D, 0x006E, 0x0038, 0x0008,

  758.     0x0008, 0x0009, 0x000C, 0x002E, 0x006F, 0x0072, 0x003A, 0x002F,

  759.     0x0073, 0x0000, 0x003B, 0x0007, 0x0014, 0x0015, 0x0004

  760.   },

  761.   {

  762.     0x0038, 0x0039, 0x009D, 0x000A, 0x0091, 0x0092, 0x0093, 0x000B,

  763.     0x0094, 0x0095, 0x0096, 0x0003, 0x00EE, 0x00EF, 0x0036, 0x000C,

  764.     0x0097, 0x0098, 0x0099, 0x0008, 0x01E4, 0x01E5, 0x006A, 0x0018,

  765.     0x03CC, 0x03CD, 0x00D6, 0x000E, 0x009E, 0x009F, 0x00F5, 0x000D,

  766.     0x009A, 0x009B, 0x009C, 0x0019, 0x03CE, 0x03CF, 0x00D7, 0x0009,

  767.     0x01E8, 0x01E9, 0x0090, 0x000F, 0x00E8, 0x00E9, 0x00F6, 0x0005,

  768.     0x00F0, 0x00F1, 0x0037, 0x0010, 0x00EA, 0x00EB, 0x00F7, 0x0011,

  769.     0x00EC, 0x00ED, 0x0034, 0x0000, 0x003E, 0x003F, 0x0002

  770.   },

  771.   {

  772.     0x003C, 0x003D, 0x01CF, 0x0000, 0x00BF, 0x00E0, 0x01FC, 0x0001,

  773.     0x00E1, 0x00E2, 0x01FD, 0x0009, 0x01F1, 0x01F2, 0x01F3, 0x0002,

  774.     0x00E3, 0x00E4, 0x01FE, 0x0011, 0x03EE, 0x03EF, 0x03F0, 0x0021,

  775.     0x07E2, 0x07E3, 0x07E4, 0x0018, 0x03F7, 0x03FE, 0x03FF, 0x0003,

  776.     0x00E5, 0x00E6, 0x0080, 0x002E, 0x07E5, 0x07E6, 0x07E7, 0x0016,

  777.     0x03F4, 0x03F5, 0x03F6, 0x0019, 0x0102, 0x0103, 0x0104, 0x000A,

  778.     0x01F4, 0x01F5, 0x01F6, 0x001A, 0x0105, 0x0106, 0x0107, 0x001B,

  779.     0x0178, 0x0179, 0x01CE, 0x001D, 0x00BD, 0x00BE, 0x01F0

  780.   },

  781.   {

  782.     0x0003, 0x0004, 0x01B6, 0x0004, 0x002E, 0x002F, 0x000E, 0x0005,

  783.     0x0030, 0x0031, 0x000F, 0x0003, 0x000A, 0x000B, 0x0014, 0x0006,

  784.     0x0032, 0x0033, 0x0010, 0x0005, 0x0030, 0x0031, 0x0032, 0x0009,

  785.     0x0066, 0x0067, 0x0068, 0x001D, 0x01B7, 0x01B8, 0x01B9, 0x0007,

  786.     0x0034, 0x0035, 0x0011, 0x0016, 0x0069, 0x006A, 0x006B, 0x000A,

  787.     0x0036, 0x0037, 0x00D8, 0x001E, 0x01BA, 0x01BB, 0x01BC, 0x0004,

  788.     0x0015, 0x0016, 0x0017, 0x001F, 0x01BD, 0x01BE, 0x01BF, 0x0000,

  789.     0x0010, 0x0011, 0x0012, 0x001C, 0x00D9, 0x00DA, 0x0013

  790.   }

  791. };

  792. 

  793. const uint8_t ff_vc1_icbpcy_p_bits[8][63] = {

  794.   {

  795.     15, 15, 14,  9, 11, 11, 13,  9, 11, 11, 12,  8,  9,  9,  9,  9,

  796.     11, 11, 12,  9, 10, 10, 10, 10, 11, 11, 11,  8,  8,  8,  7,  9,

  797.     11, 11, 12, 10, 11, 11, 11,  9, 10, 10, 10,  8,  8,  8,  7,  8,

  798.      9,  9,  9,  8,  8,  8,  7,  8,  8,  8,  7,  3,  3,  3,  1

  799.   },

  800.   {

  801.      7,  7,  9,  7,  8,  8,  9,  7,  8,  8,  9,  6,  7,  7,  7,  7,

  802.      7,  7,  9,  7,  8,  8,  8,  8,  9,  9,  9,  6,  7,  7,  6,  6,

  803.      7,  7,  8,  8,  9,  9,  9,  7,  8,  8,  8,  6,  7,  7,  6,  6,

  804.      7,  7,  7,  6,  7,  7,  6,  6,  7,  7,  6,  3,  4,  3,  2

  805.   },

  806.   {

  807.      6,  6,  5,  6,  8,  8,  9,  6,  8,  8,  9,  5,  7,  7,  7,  6,

  808.      8,  8,  9,  7,  8,  8,  8,  8,  9,  9,  9,  6,  7,  7,  6,  6,

  809.      8,  8,  9,  7,  9,  9,  9,  6,  8,  8,  8,  6,  7,  7,  6,  5,

  810.      7,  7,  7,  6,  7,  7,  6,  6,  7,  7,  6,  3,  5,  4,  2

  811.   },

  812.   {

  813.      6,  6,  8,  4,  9,  9,  9,  4,  9,  9,  9,  4,  8,  8,  7,  4,

  814.      9,  9,  9,  6,  9,  9,  8,  6, 10, 10,  9,  5,  8,  8,  8,  4,

  815.      9,  9,  9,  6, 10, 10,  9,  5,  9,  9,  8,  5,  8,  8,  7,  4,

  816.      8,  8,  7,  5,  8,  8,  7,  5,  8,  8,  7,  3,  5,  5,  4

  817.   },

  818.   {

  819.      6,  6,  5,  5,  7,  7,  7,  5,  7,  7,  7,  5,  6,  6,  6,  5,

  820.      7,  7,  7,  6,  7,  7,  7,  7,  8,  8,  8,  6,  7,  7,  6,  5,

  821.      7,  7,  7,  7,  8,  8,  8,  6,  7,  7,  7,  6,  7,  7,  6,  5,

  822.      6,  6,  6,  6,  7,  7,  6,  6,  7,  6,  6,  4,  5,  5,  3

  823.   },

  824.   {

  825.      6,  6,  8,  4,  8,  8,  8,  4,  8,  8,  8,  4,  8,  8,  7,  4,

  826.      8,  8,  8,  5,  9,  9,  8,  6, 10, 10,  9,  5,  8,  8,  8,  4,

  827.      8,  8,  8,  6, 10, 10,  9,  5,  9,  9,  8,  5,  8,  8,  8,  4,

  828.      8,  8,  7,  5,  8,  8,  8,  5,  8,  8,  7,  3,  6,  6,  4

  829.   },

  830.   {

  831.      6,  6,  9,  3,  8,  8,  9,  3,  8,  8,  9,  4,  9,  9,  9,  3,

  832.      8,  8,  9,  5, 10, 10, 10,  6, 11, 11, 11,  5, 10, 10, 10,  3,

  833.      8,  8,  8,  6, 11, 11, 11,  5, 10, 10, 10,  5,  9,  9,  9,  4,

  834.      9,  9,  9,  5,  9,  9,  9,  5,  9,  9,  9,  5,  8,  8,  9

  835.   },

  836.   {

  837.      6,  6, 10,  3,  7,  7,  7,  3,  7,  7,  7,  4,  8,  8,  8,  3,

  838.      7,  7,  7,  5,  9,  9,  9,  6, 10, 10, 10,  6, 10, 10, 10,  3,

  839.      7,  7,  7,  6, 10, 10, 10,  5,  9,  9,  9,  6, 10, 10, 10,  4,

  840.      8,  8,  8,  6, 10, 10, 10,  5,  9,  9,  9,  6,  9,  9,  9

  841.   }

  842. };

  843. 

  844. /* MacroBlock Transform Type: 7.1.3.11, p89

  845.  * 8x8:B

  846.  * 8x4:B:btm  8x4:B:top  8x4:B:both,

  847.  * 4x8:B:right  4x8:B:left  4x8:B:both

  848.  * 4x4:B  8x8:MB

  849.  * 8x4:MB:btm  8x4:MB:top  8x4,MB,both

  850.  * 4x8,MB,right  4x8,MB,left

  851.  * 4x4,MB                               */

  852. const uint16_t ff_vc1_ttmb_codes[3][16] = {

  853.   {

  854.     0x0003,

  855.     0x002E, 0x005F, 0x0000,

  856.     0x0016, 0x0015, 0x0001,

  857.     0x0004, 0x0014,

  858.     0x02F1, 0x0179, 0x017B,

  859.     0x0BC0, 0x0BC1, 0x05E1,

  860.     0x017A

  861.   },

  862.   {

  863.     0x0006,

  864.     0x0006, 0x0003, 0x0007,

  865.     0x000F, 0x000E, 0x0000,

  866.     0x0002, 0x0002,

  867.     0x0014, 0x0011, 0x000B,

  868.     0x0009, 0x0021, 0x0015,

  869.     0x0020

  870.   },

  871.   {

  872.     0x0006,

  873.     0x0000, 0x000E, 0x0005,

  874.     0x0002, 0x0003, 0x0003,

  875.     0x000F, 0x0002,

  876.     0x0081, 0x0021, 0x0009,

  877.     0x0101, 0x0041, 0x0011,

  878.     0x0100

  879.   }

  880. };

  881. 

  882. const uint8_t ff_vc1_ttmb_bits[3][16] = {

  883.   {

  884.      2,

  885.      6,  7,  2,

  886.      5,  5,  2,

  887.      3,  5,

  888.     10,  9,  9,

  889.     12, 12, 11,

  890.      9

  891.   },

  892.   {

  893.     3,

  894.     4, 4, 4,

  895.     4, 4, 3,

  896.     3, 2,

  897.     7, 7, 6,

  898.     6, 8, 7,

  899.     8

  900.   },

  901.   {

  902.      3,

  903.      3, 4, 5,

  904.      3, 3, 4,

  905.      4, 2,

  906.     10, 8, 6,

  907.     11, 9, 7,

  908.     11

  909.   }

  910. };

  911. 

  912. /* TTBLK (Transform Type per Block) tables */

  913. const uint8_t ff_vc1_ttblk_codes[3][8] = {

  914.     {  0,  1,  3,  5, 16, 17, 18, 19 },

  915.     {  3,  0,  1,  2,  3,  5,  8,  9 },

  916.     {  1,  0,  1,  4,  6,  7, 10, 11 }

  917. };

  918. const uint8_t ff_vc1_ttblk_bits[3][8] = {

  919.     {  2,  2,  2,  3,  5,  5,  5,  5 },

  920.     {  2,  3,  3,  3,  3,  3,  4,  4 },

  921.     {  2,  3,  3,  3,  3,  3,  4,  4 }

  922. };

  923. 

  924. /* SUBBLKPAT tables, p93-94, reordered */

  925. const uint8_t ff_vc1_subblkpat_codes[3][15] = {

  926.     { 14, 12,  7, 11,  9, 26,  2, 10, 27,  8,  0,  6,  1, 15,  1 },

  927.     { 14,  0,  8, 15, 10,  4, 23, 13,  5,  9, 25,  3, 24, 22,  1 },

  928.     {  5,  6,  2,  2,  8,  0, 28,  3,  1,  3, 29,  1, 19, 18, 15 }

  929. };

  930. const uint8_t ff_vc1_subblkpat_bits[3][15] = {

  931.     {  5,  5,  5,  5,  5,  6,  4,  5,  6,  5,  4,  5,  4,  5,  1},

  932.     {  4,  3,  4,  4,  4,  5,  5,  4,  5,  4,  5,  4,  5,  5,  2},

  933.     {  3,  3,  4,  3,  4,  5,  5,  3,  5,  4,  5,  4,  5,  5,  4}

  934. };

  935. 

  936. /* MV differential tables, p265 */

  937. const uint16_t ff_vc1_mv_diff_codes[4][73] = {

  938.   {

  939.        0,    2,    3,    8,  576,    3,    2,    6,

  940.        5,  577,  578,    7,    8,    9,   40,   19,

  941.       37,   82,   21,   22,   23,  579,  580,  166,

  942.       96,  167,   49,  194,  195,  581,  582,  583,

  943.      292,  293,  294,   13,    2,    7,   24,   50,

  944.      102,  295,   13,    7,    8,   18,   50,  103,

  945.       38,   20,   21,   22,   39,  204,  103,   23,

  946.       24,   25,  104,  410,  105,  106,  107,  108,

  947.      109,  220,  411,  442,  222,  443,  446,  447,

  948.        7 /* 73 elements */

  949.   },

  950.   {

  951.        0,    4,    5,    3,    4,    3,    4,    5,

  952.       20,    6,   21,   44,   45,   46, 3008,   95,

  953.      112,  113,   57, 3009, 3010,  116,  117, 3011,

  954.      118, 3012, 3013, 3014, 3015, 3016, 3017, 3018,

  955.     3019, 3020, 3021, 3022,    1,    4,   15,  160,

  956.      161,   41,    6,   11,   42,  162,   43,  119,

  957.       56,   57,   58,  163,  236,  237, 3023,  119,

  958.      120,  242,  122,  486, 1512,  487,  246,  494,

  959.     1513,  495, 1514, 1515, 1516, 1517, 1518, 1519,

  960.       31 /* 73 elements */

  961.   },

  962.   {

  963.        0,  512,  513,  514,  515,    2,    3,  258,

  964.      259,  260,  261,  262,  263,  264,  265,  266,

  965.      267,  268,  269,  270,  271,  272,  273,  274,

  966.      275,  276,  277,  278,  279,  280,  281,  282,

  967.      283,  284,  285,  286,    1,    5,  287,  288,

  968.      289,  290,    6,    7,  291,  292,  293,  294,

  969.      295,  296,  297,  298,  299,  300,  301,  302,

  970.      303,  304,  305,  306,  307,  308,  309,  310,

  971.      311,  312,  313,  314,  315,  316,  317,  318,

  972.      319 /* 73 elements */

  973.   },

  974.   {

  975.        0,    1,    1,    2,    3,    4,    1,    5,

  976.        4,    3,    5,    8,    6,    9,   10,   11,

  977.       12,    7,  104,   14,  105,    4,   10,   15,

  978.       11,    6,   14,    8,  106,  107,  108,   15,

  979.      109,    9,   55,   10,    1,    2,    1,    2,

  980.        3,   12,    6,    2,    6,    7,   28,    7,

  981.       15,    8,    5,   18,   29,  152,   77,   24,

  982.       25,   26,   39,  108,   13,  109,   55,   56,

  983.       57,  116,   11,  153,  234,  235,  118,  119,

  984.       15 /* 73 elements */

  985.   }

  986. };

  987. const uint8_t ff_vc1_mv_diff_bits[4][73] = {

  988.   {

  989.      6,  7,  7,  8, 14,  6,  5,  6,  7, 14, 14,  6,  6,  6,  8,  9,

  990.     10,  9,  7,  7,  7, 14, 14, 10,  9, 10,  8, 10, 10, 14, 14, 14,

  991.     13, 13, 13,  6,  3,  5,  6,  8,  9, 13,  5,  4,  4,  5,  7,  9,

  992.      6,  5,  5,  5,  6,  9,  8,  5,  5,  5,  7, 10,  7,  7,  7,  7,

  993.      7,  8, 10,  9,  8,  9,  9,  9,  3 /* 73 elements */

  994.   },

  995.   {

  996.      5,  7,  7,  6,  6,  5,  5,  6,  7,  5,  7,  8,  8,  8, 14,  9,

  997.      9,  9,  8, 14, 14,  9,  9, 14,  9, 14, 14, 14, 14, 14, 14, 14,

  998.     14, 14, 14, 14,  2,  3,  6,  8,  8,  6,  3,  4,  6,  8,  6,  9,

  999.      6,  6,  6,  8,  8,  8, 14,  7,  7,  8,  7,  9, 13,  9,  8,  9,

  1000.     13,  9, 13, 13, 13, 13, 13, 13,  5 /* 73 elements */

  1001. 

  1002.   },

  1003.   {

  1004.      3, 12, 12, 12, 12,  3,  4, 11, 11, 11, 11, 11, 11, 11, 11, 11,

  1005.     11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,

  1006.     11, 11, 11, 11,  1,  5, 11, 11, 11, 11,  4,  4, 11, 11, 11, 11,

  1007.     11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,

  1008.     11, 11, 11, 11, 11, 11, 11, 11, 11 /* 73 elements */

  1009.   },

  1010.   {

  1011.     15, 11, 15, 15, 15, 15, 12, 15, 12, 11, 12, 12, 15, 12, 12, 12,

  1012.     12, 15, 15, 12, 15, 10, 11, 12, 11, 10, 11, 10, 15, 15, 15, 11,

  1013.     15, 10, 14, 10,  4,  4,  5,  7,  8,  9,  5,  3,  4,  5,  6,  8,

  1014.      5,  4,  3,  5,  6,  8,  7,  5,  5,  5,  6,  7,  9,  7,  6,  6,

  1015.      6,  7, 10,  8,  8,  8,  7,  7,  4 /* 73 elements */

  1016.   }

  1017. };

  1018. 

  1019. /* DC differentials low+hi-mo, p217 are the same as in msmpeg4data .h */

  1020. 

  1021. /* Table 232 */

  1022. const int8_t ff_vc1_simple_progressive_4x4_zz [16] = {

  1023.      0,     8,    16,     1,

  1024.      9,    24,    17,     2,

  1025.     10,    18,    25,     3,

  1026.     11,    26,    19,    27

  1027. };

  1028. 

  1029. const int8_t ff_vc1_adv_progressive_8x4_zz [32] = { /* Table 233 */

  1030.      0,     8,     1,    16,     2,     9,    10,     3,

  1031.     24,    17,     4,    11,    18,    12,     5,    19,

  1032.     25,    13,    20,    26,    27,     6,    21,    28,

  1033.     14,    22,    29,     7,    30,    15,    23,    31

  1034. };

  1035. 

  1036. const int8_t ff_vc1_adv_progressive_4x8_zz [32] = { /* Table 234 */

  1037.      0,     1,     8,     2,

  1038.      9,    16,    17,    24,

  1039.     10,    32,    25,    18,

  1040.     40,     3,    33,    26,

  1041.     48,    11,    56,    41,

  1042.     34,    49,    57,    42,

  1043.     19,    50,    27,    58,

  1044.     35,    43,    51,    59

  1045. };

  1046. 

  1047. const int8_t ff_vc1_adv_interlaced_8x8_zz [64] = { /* Table 235 */

  1048.      0,     8,     1,    16,    24,     9,     2,    32,

  1049.     40,    48,    56,    17,    10,     3,    25,    18,

  1050.     11,     4,    33,    41,    49,    57,    26,    34,

  1051.     42,    50,    58,    19,    12,     5,    27,    20,

  1052.     13,     6,    35,    28,    21,    14,     7,    15,

  1053.     22,    29,    36,    43,    51,    59,    60,    52,

  1054.     44,    37,    30,    23,    31,    38,    45,    53,

  1055.     61,    62,    54,    46,    39,    47,    55,    63

  1056. };

  1057. 

  1058. const int8_t ff_vc1_adv_interlaced_8x4_zz [32] = { /* Table 236 */

  1059.      0,     8,    16,    24,     1,     9,     2,    17,

  1060.     25,    10,     3,    18,    26,     4,    11,    19,

  1061.     12,     5,    13,    20,    27,     6,    21,    28,

  1062.     14,    22,    29,     7,    30,    15,    23,    31

  1063. };

  1064. 

  1065. const int8_t ff_vc1_adv_interlaced_4x8_zz [32] = { /* Table 237 */

  1066.      0,     1,     2,     8,

  1067.     16,     9,    24,    17,

  1068.     10,     3,    32,    40,

  1069.     48,    56,    25,    18,

  1070.     33,    26,    41,    34,

  1071.     49,    57,    11,    42,

  1072.     19,    50,    27,    58,

  1073.     35,    43,    51,    59

  1074. };

  1075. 

  1076. const int8_t ff_vc1_adv_interlaced_4x4_zz [16] = { /* Table 238 */

  1077.      0,     8,    16,    24,

  1078.      1,     9,    17,     2,

  1079.     25,    10,    18,     3,

  1080.     26,    11,    19,    27

  1081. };

  1082. 

  1083. 

  1084. /* DQScale as specified in 8.1.3.9 - almost identical to 0x40000/i */

  1085. const int32_t ff_vc1_dqscale[63] = {

  1086.     0x40000, 0x20000, 0x15555, 0x10000, 0xCCCD, 0xAAAB, 0x9249, 0x8000,

  1087.      0x71C7,  0x6666,  0x5D17,  0x5555, 0x4EC5, 0x4925, 0x4444, 0x4000,

  1088.      0x3C3C,  0x38E4,  0x35E5,  0x3333, 0x30C3, 0x2E8C, 0x2C86, 0x2AAB,

  1089.      0x28F6,  0x2762,  0x25ED,  0x2492, 0x234F, 0x2222, 0x2108, 0x2000,

  1090.      0x1F08,  0x1E1E,  0x1D42,  0x1C72, 0x1BAD, 0x1AF3, 0x1A42, 0x199A,

  1091.      0x18FA,  0x1862,  0x17D0,  0x1746, 0x16C1, 0x1643, 0x15CA, 0x1555,

  1092.      0x14E6,  0x147B,  0x1414,  0x13B1, 0x1352, 0x12F7, 0x129E, 0x1249,

  1093.      0x11F7,  0x11A8,  0x115B,  0x1111, 0x10C9, 0x1084, 0x1000

  1094. };

  1095. 

  1096. /* P Interlaced field picture MV predictor scaling values (Table 114) */

  1097. const uint16_t ff_vc1_field_mvpred_scales[2][7][4] = {

  1098. // Refdist:

  1099. //      0       1       2       3 or greater

  1100.   { // current field is first

  1101.     { 128,    192,    213,    224 },   // SCALEOPP

  1102.     { 512,    341,    307,    293 },   // SCALESAME1

  1103.     { 219,    236,    242,    245 },   // SCALESAME2

  1104.     {  32,     48,     53,     56 },   // SCALEZONE1_X

  1105.     {   8,     12,     13,     14 },   // SCALEZONE1_Y

  1106.     {  37,     20,     14,     11 },   // ZONE1OFFSET_X

  1107.     {  10,      5,      4,      3 }    // ZONE1OFFSET_Y

  1108.   },

  1109.   { // current field is second

  1110.     { 128,     64,     43,     32 },   // SCALEOPP

  1111.     { 512,   1024,   1536,   2048 },   // SCALESAME1

  1112.     { 219,    204,    200,    198 },   // SCALESAME2

  1113.     {  32,     16,     11,      8 },   // SCALEZONE1_X

  1114.     {   8,      4,      3,      2 },   // SCALEZONE1_Y

  1115.     {  37,     52,     56,     58 },   // ZONE1OFFSET_X

  1116.     {  10,     13,     14,     15 }    // ZONE1OFFSET_Y

  1117.   }

  1118. };

  1119. 

  1120. /* B Interlaced field picture backward MV predictor scaling values for first field (Table 115) */

  1121. const uint16_t ff_vc1_b_field_mvpred_scales[7][4] = {

  1122.     // BRFD:

  1123.     //  0       1       2       3 or greater

  1124.     { 171,    205,    219,    228 },   // SCALESAME

  1125.     { 384,    320,    299,    288 },   // SCALEOPP1

  1126.     { 230,    239,    244,    246 },   // SCALEOPP2

  1127.     {  43,     51,     55,     57 },   // SCALEZONE1_X

  1128.     {  11,     13,     14,     14 },   // SCALEZONE1_Y

  1129.     {  26,     17,     12,     10 },   // ZONE1OFFSET_X

  1130.     {   7,      4,      3,      3 }    // ZONE1OFFSET_Y

  1131. };

  1132. 

  1133. const int ff_vc1_ac_sizes[AC_MODES] = {

  1134.     186, 169, 133, 149, 103, 103, 163, 175

  1135. };