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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 FFmpeg.
8  *
9  * FFmpeg 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  * FFmpeg 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 FFmpeg; 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, 1, 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, 1, 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, 1, 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 uint8_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 uint8_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 uint8_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 uint8_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 uint8_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 uint8_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 uint8_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, 0x1041
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 };
1136