vc1dec: interlaced stream decoding support 2/3

Cosmetics: reformat some data tables in vc1data.c

Signed-off-by: Anton Khirnov <anton@khirnov.net>

1 files changed, 462 insertions, 0 deletions

diff --git a/libavcodec/vc1data.c b/libavcodec/vc1data.c
index 43edf746b7..45346a1f1c 100644
--- a/libavcodec/vc1data.c
+++ b/libavcodec/vc1data.c
@@ -1,5 +1,6 @@
 /*
  * VC-1 and WMV3 decoder
+ * copyright (c) 2011 Mashiat Sarker Shakkhar
  * copyright (c) 2006 Konstantin Shishkov
  * (c) 2005 anonymous, Alex Beregszaszi, Michael Niedermayer
  *
@@ -48,6 +49,40 @@ const uint8_t ff_vc1_mv_pmode_table2[2][4] = {
   { MV_PMODE_1MV, MV_PMODE_MIXED_MV, MV_PMODE_1MV_HPEL, MV_PMODE_1MV_HPEL_BILIN }
 };
 
+/* MBMODE table for interlaced frame P-picture */
+const uint8_t ff_vc1_mbmode_intfrp[2][15][4] = {
+    { /* 1: 4-MV, 0: non-4-MV */
+        /* Type, FIELDTX, 1-MV Differential present, Residuals (CBP) present */
+        /* Table 164 - Table 167 */
+        { MV_PMODE_INTFR_1MV        , 0, 1, 1},
+        { MV_PMODE_INTFR_1MV        , 1, 1, 1},
+        { MV_PMODE_INTFR_1MV        , 0, 1, 0},
+        { MV_PMODE_INTFR_1MV        , 0, 0, 1},
+        { MV_PMODE_INTFR_1MV        , 1, 0, 1},
+        { MV_PMODE_INTFR_2MV_FIELD  , 0, 0, 1},
+        { MV_PMODE_INTFR_2MV_FIELD  , 1, 0, 1},
+        { MV_PMODE_INTFR_2MV_FIELD  , 0, 0, 0},
+        { MV_PMODE_INTFR_INTRA      , 0, 0, 0} },
+    {
+        /* Table 160 - Table 163 */
+        { MV_PMODE_INTFR_1MV        , 0, 1, 1 },
+        { MV_PMODE_INTFR_1MV        , 1, 1, 1 },
+        { MV_PMODE_INTFR_1MV        , 0, 1, 0 },
+        { MV_PMODE_INTFR_1MV        , 0, 0, 1 },
+        { MV_PMODE_INTFR_1MV        , 1, 0, 1 },
+        { MV_PMODE_INTFR_2MV_FIELD  , 0, 0, 1 },
+        { MV_PMODE_INTFR_2MV_FIELD  , 1, 0, 1 },
+        { MV_PMODE_INTFR_2MV_FIELD  , 0, 0, 0 },
+        { MV_PMODE_INTFR_4MV        , 0, 0, 1 },
+        { MV_PMODE_INTFR_4MV        , 1, 0, 1 },
+        { MV_PMODE_INTFR_4MV        , 0, 0, 0 },
+        { MV_PMODE_INTFR_4MV_FIELD  , 0, 0, 1 },
+        { MV_PMODE_INTFR_4MV_FIELD  , 1, 0, 1 },
+        { MV_PMODE_INTFR_4MV_FIELD  , 0, 0, 0 },
+        { MV_PMODE_INTFR_INTRA      , 0, 0, 0 }
+    }
+};
+
 const int ff_vc1_fps_nr[5] = { 24, 25, 30, 50, 60 },
   ff_vc1_fps_dr[2] = { 1000, 1001 };
 const uint8_t ff_vc1_pquant_table[3][32] = {
@@ -84,14 +119,33 @@ VLC ff_vc1_ttmb_vlc[3];
 VLC ff_vc1_mv_diff_vlc[4];
 #define VC1_CBPCY_P_VLC_BITS 9 //14
 VLC ff_vc1_cbpcy_p_vlc[4];
+#define VC1_ICBPCY_VLC_BITS 9
+VLC ff_vc1_icbpcy_vlc[8];
 #define VC1_4MV_BLOCK_PATTERN_VLC_BITS 6
 VLC ff_vc1_4mv_block_pattern_vlc[4];
+#define VC1_2MV_BLOCK_PATTERN_VLC_BITS 3
+VLC ff_vc1_2mv_block_pattern_vlc[4];
 #define VC1_TTBLK_VLC_BITS 5
 VLC ff_vc1_ttblk_vlc[3];
 #define VC1_SUBBLKPAT_VLC_BITS 6
 VLC ff_vc1_subblkpat_vlc[3];
+#define VC1_INTFR_4MV_MBMODE_VLC_BITS 9
+VLC ff_vc1_intfr_4mv_mbmode_vlc[4];
+#define VC1_INTFR_NON4MV_MBMODE_VLC_BITS 6
+VLC ff_vc1_intfr_non4mv_mbmode_vlc[4];
+#define VC1_IF_MMV_MBMODE_VLC_BITS 5
+VLC ff_vc1_if_mmv_mbmode_vlc[8];
+#define VC1_IF_1MV_MBMODE_VLC_BITS 5
+VLC ff_vc1_if_1mv_mbmode_vlc[8];
+#define VC1_1REF_MVDATA_VLC_BITS 9
+VLC ff_vc1_1ref_mvdata_vlc[4];
+#define VC1_2REF_MVDATA_VLC_BITS 9
+VLC ff_vc1_2ref_mvdata_vlc[8];
 
 VLC ff_vc1_ac_coeff_table[8];
+
+#define VC1_IF_MBMODE_VLC_BITS 5    // as a placeholder for VC1_IF_MMV_MBMODE_VLC_BITS
+                                    // or VC1_IF_1MV_MBMODE_VLC_BITS since they are the same
 //@}
 
 
@@ -202,6 +256,273 @@ const uint8_t ff_vc1_4mv_block_pattern_bits[4][16] = {
   { 2, 4, 4, 4, 4, 4, 5, 5, 4, 5, 4, 5, 4, 5, 5, 4}
 };
 
+/* 2MV Block pattern VLC tables */
+const uint8_t ff_vc1_2mv_block_pattern_codes[4][4] = {
+  { 2, 1, 0, 3}, { 1, 0, 2, 3}, { 2, 0, 3, 1}, { 1, 3, 2, 0}
+};
+
+const uint8_t ff_vc1_2mv_block_pattern_bits[4][4] = {
+  { 2, 2, 2, 2}, { 1, 2, 3, 3}, { 3, 2, 3, 1}, { 1, 3, 3, 2}
+};
+
+/* Interlaced frame picture 4MV MBMODE VLC tables (p. 246, p. 360) */
+const uint16_t ff_vc1_intfr_4mv_mbmode_codes[4][15] = {
+  {   22,   17,    0,   47,   32,   10,    1,    3,   67,  133,  132,   92,   19,   93,   18},
+  {    3,   45,    0,    7,   23,    6,    1,    2,   10,   39,   44,    8,   18,   77,   76},
+  {   15,    6,   28,    9,   41,    6,    2,   15,   14,    8,   40,   29,    0,   21,   11},
+  {    7,  198,    1,    2,  193,   13,   25,    0,   97, 1599,   98,  398,  798,  192, 1598}
+};
+
+const uint8_t ff_vc1_intfr_4mv_mbmode_bits[4][15] = {
+  {   5,   5,   2,   6,   6,   4,   2,   2,   7,   8,   8,   7,   5,   7,   5},
+  {   3,   6,   3,   3,   5,   3,   3,   3,   4,   6,   6,   4,   5,   7,   7},
+  {   4,   3,   5,   5,   7,   4,   2,   5,   5,   5,   7,   5,   2,   6,   5},
+  {   4,   9,   1,   3,   9,   5,   6,   2,   8,  12,   8,  10,  11,   9,  12}
+};
+
+/* Interlaced frame picture NON-4MV MBMODE VLC tables (p. 363) */
+const uint8_t ff_vc1_intfr_non4mv_mbmode_codes[4][9] = {
+  {  9, 22,  0, 17, 16, 10,  1,  3, 23},
+  {  7,  0,  5,  2,  1,  1,  6,  3,  4},
+  {  1,  0, 10, 23, 44,  8,  3,  9, 45},
+  {  7, 97,  1,  2, 49, 13, 25,  0, 96}
+};
+
+const uint8_t ff_vc1_intfr_non4mv_mbmode_bits[4][9] = {
+  {  4,  5,  2,  5,  5,  4,  2,  2,  5},
+  {  3,  4,  6,  2,  3,  2,  3,  5,  6},
+  {  2,  2,  4,  5,  6,  4,  2,  4,  6},
+  {  4,  8,  1,  3,  7,  5,  6,  2,  8}
+};
+
+/* Interlaced field picture MBMODE VLC tables (p. 356 - 11.4.1, 11.4.2) */
+/* mixed-MV */
+const uint8_t ff_vc1_if_mmv_mbmode_codes[8][8] = {
+  { 16, 17,  3,  3,  0,  5,  9,  2 },
+  {  8,  9,  3,  6,  7,  0,  5,  2 },
+  { 16, 17,  5,  3,  0,  3,  9,  2 },
+  { 56, 57, 15,  4,  5,  6, 29,  0 },
+  { 52, 53, 27, 14, 15,  2, 12,  0 },
+  { 56, 57, 29,  5,  6,  0, 15,  4 },
+  { 16, 17,  6,  7,  0,  1,  9,  5 },
+  { 56, 57,  0,  5,  6, 29,  4, 15 }
+};
+const uint8_t ff_vc1_if_mmv_mbmode_bits[8][8] = {
+  { 6, 6, 2, 3, 2, 4, 5, 2 },
+  { 5, 5, 3, 3, 3, 2, 4, 2 },
+  { 6, 6, 4, 3, 2, 2, 5, 2 },
+  { 6, 6, 4, 3, 3, 3, 5, 1 },
+  { 6, 6, 5, 4, 4, 2, 4, 1 },
+  { 6, 6, 5, 3, 3, 1, 4, 3 },
+  { 5, 5, 3, 3, 2, 2, 4, 3 },
+  { 6, 6, 1, 3, 3, 5, 3, 4 }
+};
+/* 1MV */
+const uint8_t ff_vc1_if_1mv_mbmode_codes[8][6] = {
+  {  0,  1,  1,  1,  1,  1 },
+  {  0,  1,  1,  1,  1,  1 },
+  { 16, 17,  3,  0,  9,  5 },
+  { 20, 21,  3, 11,  0,  4 },
+  {  4,  5,  2,  3,  3,  0 },
+  {  4,  5,  3,  2,  0,  3 },
+  {  0,  1,  1,  1,  1,  1 },
+  { 16, 17,  9,  5,  3,  0 }
+};
+const uint8_t ff_vc1_if_1mv_mbmode_bits[8][6] = {
+  { 5, 5, 1, 3, 2, 4 },
+  { 5, 5, 1, 2, 3, 4 },
+  { 5, 5, 2, 1, 4, 3 },
+  { 5, 5, 2, 4, 1, 3 },
+  { 4, 4, 2, 3, 2, 2 },
+  { 4, 4, 3, 2, 2, 2 },
+  { 5, 5, 3, 4, 1, 2 },
+  { 5, 5, 4, 3, 2, 1 }
+};
+
+/* Interlaced frame/field picture MVDATA VLC tables */
+
+/* 1-reference tables */
+const uint32_t ff_vc1_1ref_mvdata_codes[4][72] = { /* uint32_t may be too big */
+  {5, 12, 30, 18, 12, 52, 117, 112, 0, 8, 27, 8, 29, 124, 214, 478, 431, 5, 27, 38, 30, 18, 118, 77,
+   502, 500, 57, 127, 39, 106, 113, 53, 113, 104, 476, 39, 115, 255, 232, 233, 126, 505, 501, 509, 62, 458, 1017, 76,
+   105, 506, 479, 503, 112, 477, 3661, 1831, 914, 456, 459, 1016, 430, 504, 507, 58574, 58575, 29280, 29281, 29282, 29283, 29284, 29285, 29286},
+  {7, 1, 7, 22, 1, 69, 24, 694, 6, 4, 23, 16, 41, 44, 346, 102, 414, 9, 40, 23, 0, 42, 4, 91,
+   181, 206, 6, 68, 15, 70, 14, 172, 50, 55, 4587, 10, 26, 287, 22, 20, 43, 360, 85, 9173, 87, 47, 54, 46,
+   361, 84, 1147, 415, 11133, 142, 2782, 1145, 1390, 2292, 5567, 1144, 9172, 44529, 22265, 712462, 712463, 356224, 356225, 356226, 356227, 356228, 356229, 356230},
+  {2, 6, 7, 13, 7, 48, 255, 496, 2, 0, 5, 25, 30, 7, 99, 253, 35, 14, 27, 26, 6, 9, 24, 197,
+   51, 497, 2, 1019, 499, 34, 508, 66, 1571, 131, 1568, 125, 64, 67, 996, 997, 401, 4073, 261, 520, 252, 1572, 1570, 400,
+   1574, 2037, 3147, 8144, 4173, 101, 3138, 201, 1575, 3139, 3146, 4174, 8145, 4175, 1042, 66766, 66767, 33376, 33377, 33378, 33379, 33380, 33381, 33382},
+  {13, 1, 4, 0, 23, 5, 127, 77, 3, 17, 62, 59, 23, 103, 74, 195, 242, 10, 44, 50, 61, 21, 40, 147,
+   204, 150, 3, 117, 32, 45, 33, 41, 144, 464, 507, 28, 76, 96, 9, 8, 45, 159, 506, 317, 49, 252, 88, 146,
+   240, 241, 205, 389, 357, 78, 145, 233, 388, 465, 486, 151, 487, 179, 316, 5710, 5711, 2848, 2849, 2850, 2851, 2852, 2853, 2854}
+};
+
+const uint8_t ff_vc1_1ref_mvdata_bits[4][72] = {
+  {3, 4, 5, 5, 5, 6, 7, 7, 2, 4, 5, 5, 6, 7, 8, 9, 9, 4, 6, 6, 6, 6, 7, 8,
+   9, 9, 6, 8, 7, 7, 7, 7, 8, 8, 9, 6, 8, 8, 8, 8, 8, 9, 9, 9, 7, 10, 10, 8,
+   8, 9, 9, 9, 8, 9, 13, 12, 11, 10, 10, 10, 9, 9, 9, 17, 17, 16, 16, 16, 16, 16, 16, 16},
+  {3, 3, 4, 5, 5, 7, 8, 10, 3, 4, 5, 5, 6, 7, 9, 10, 12, 4, 6, 6, 5, 6, 6, 8,
+   9, 11, 4, 7, 7, 7, 7, 8, 9, 9, 13, 5, 8, 9, 8, 8, 9, 10, 10, 14, 7, 9, 9, 9,
+   10, 10, 11, 12, 14, 8, 12, 11, 11, 12, 13, 11, 14, 16, 15, 20, 20, 19, 19, 19, 19, 19, 19, 19},
+  {3, 4, 4, 4, 5, 6, 8, 9, 2, 4, 5, 5, 5, 6, 7, 8, 8, 4, 7, 7, 6, 6, 7, 8,
+   8, 9, 5, 10, 9, 8, 9, 9, 11, 10, 11, 7, 9, 9, 10, 10, 11, 12, 11, 12, 8, 11, 11, 11,
+   11, 11, 12, 13, 15, 9, 12, 10, 11, 12, 12, 15, 13, 15, 13, 19, 19, 18, 18, 18, 18, 18, 18, 18},
+  {4, 4, 4, 4, 5, 5, 7, 7, 3, 5, 6, 6, 6, 7, 7, 8, 8, 4, 6, 6, 6, 6, 7, 8,
+   8, 8, 4, 7, 6, 6, 6, 7, 8, 9, 9, 5, 7, 7, 6, 6, 7, 8, 9, 9, 6, 8, 8, 8,
+   8, 8, 8, 9, 10, 7, 8, 8, 9, 9, 9, 8, 9, 9, 9, 14, 14, 13, 13, 13, 13, 13, 13, 13}
+};
+
+/* 2-reference tables */
+const uint32_t ff_vc1_2ref_mvdata_codes[8][126] = { /* table 132 - table 139 */
+  {12, 28, 11, 0, 14, 42, 80, 872, 2, 26, 4, 58, 29, 108,
+   239, 444, 351, 15, 3, 28, 13, 11, 62, 167, 326, 409, 6, 31,
+   4, 60, 7, 446, 139, 44, 1971, 5, 219, 86, 236, 82, 445, 120,
+   207, 1395, 9, 35, 237, 24, 6, 68, 245, 121, 1746, 110, 43, 349,
+   23, 895, 324, 206, 40, 171, 16, 437, 247, 166, 123, 40, 493, 489,
+   1789, 4, 245, 41, 650, 651, 655, 3577, 821, 7813, 238, 701, 43, 984,
+   977, 408, 489, 1309, 180, 63, 1109, 555, 553, 1105, 1400, 1970, 1392, 341,
+   50, 976, 84, 1747, 1393, 1108, 820, 7153, 183, 41, 7812, 364, 411, 7152,
+   1401, 3907, 181, 2209, 42, 365, 2208, 1952, 977, 2789, 340, 2788, 2617, 2616},
+  {3, 9, 22, 16, 215, 821, 1396, 1365, 0, 29, 9, 23, 44, 173,
+   884, 1715, 1399, 15, 24, 10, 46, 34, 380, 3707, 7049, 5592, 8, 52,
+   109, 35, 450, 886, 723, 7242, 13066, 20, 106, 114, 108, 227, 411, 1855,
+   7408, 2881, 50, 230, 224, 207, 171, 412, 683, 3627, 5593, 111, 451, 175,
+   191, 172, 381, 1763, 3625, 6532, 84, 181, 378, 429, 409, 376, 856, 722,
+   7243, 91, 680, 817, 904, 907, 880, 1811, 3267, 7409, 441, 1519, 1848, 754,
+   827, 697, 1771, 1392, 3620, 925, 1442, 1443, 3709, 1518, 1849, 1364, 2725, 2724,
+   887, 7413, 3022, 3705, 1632, 1652, 1770, 3708, 3429, 758, 5594, 7048, 1441, 7412,
+   1510, 3624, 1397, 3428, 820, 13067, 5595, 2880, 3023, 3525, 3626, 1653, 1393, 1363},
+  {4, 2, 16, 3, 23, 69, 62, 126, 3, 2, 40, 30, 21, 71,
+   2, 333, 96, 11, 38, 36, 20, 50, 111, 195, 1329, 1765, 21, 63,
+   45, 1, 318, 221, 246, 773, 817, 14, 3, 52, 51, 26, 330, 197,
+   244, 1764, 1, 60, 125, 141, 157, 49, 110, 662, 205, 37, 329, 50,
+   137, 54, 136, 111, 3, 797, 14, 426, 638, 97, 334, 335, 103, 255,
+   387, 54, 855, 245, 198, 194, 665, 281, 561, 848, 44, 399, 1328, 663,
+   4, 440, 192, 634, 785, 156, 1569, 409, 796, 247, 995, 854, 393, 5,
+   107, 2242, 816, 1279, 1264, 849, 1266, 498, 883, 0, 3137, 2243, 2540, 994,
+   772, 1271, 1265, 496, 328, 3136, 2541, 2240, 2241, 1267, 1278, 254, 499, 425},
+  {0, 4, 47, 82, 16, 173, 1291, 400, 3, 22, 7, 13, 187, 371,
+   201, 1295, 5932, 3, 17, 5, 67, 35, 75, 814, 11867, 1154, 9, 42,
+   20, 42, 264, 1482, 1626, 8502, 8498, 11, 19, 65, 184, 372, 256, 5338,
+   16462, 5175, 43, 133, 167, 160, 332, 666, 812, 8499, 5162, 81, 644, 172,
+   258, 69, 68, 2075, 1630, 3255, 24, 1292, 530, 740, 515, 148, 290, 2074,
+   1621, 51, 698, 582, 578, 2670, 1036, 2056, 8500, 16463, 373, 1029, 583, 298,
+   2580, 699, 401, 2127, 5176, 175, 2967, 1155, 5179, 811, 579, 5163, 2392, 10687,
+   73, 2668, 5339, 1197, 5342, 2126, 5172, 599, 11866, 519, 5173, 5177, 3254, 5178,
+   404, 1620, 8501, 21372, 348, 576, 4114, 21373, 2393, 4248, 5174, 1631, 8230, 8503},
+  {5, 25, 22, 17, 62, 94, 239, 226, 0, 57, 43, 38, 40, 18,
+   194, 237, 285, 13, 49, 42, 37, 32, 92, 493, 589, 1904, 6, 122,
+   96, 79, 72, 57, 390, 531, 3782, 15, 38, 95, 117, 112, 39, 475,
+   966, 1935, 63, 166, 240, 58, 82, 78, 227, 473, 783, 16, 477, 167,
+   247, 34, 146, 964, 751, 1890, 121, 143, 474, 135, 232, 186, 374, 238,
+   944, 133, 281, 782, 264, 466, 268, 1907, 1060, 1076, 113, 1501, 449, 935,
+   295, 141, 539, 1970, 479, 984, 1892, 3812, 947, 1869, 472, 1500, 2122, 1177,
+   965, 7566, 1893, 1077, 1905, 450, 280, 956, 897, 903, 31539, 4247, 4246, 7885,
+   3737, 3868, 3869, 3813, 284, 31538, 15768, 7567, 3736, 3943, 957, 896, 1176, 902},
+  {13, 16, 46, 57, 13, 116, 237, 182, 1, 2, 0, 48, 41, 112,
+   243, 140, 358, 9, 51, 120, 6, 196, 11, 355, 204, 1470, 31, 47,
+   100, 24, 198, 10, 354, 704, 3827, 7, 15, 227, 202, 178, 399, 942,
+   1887, 3153, 21, 71, 238, 226, 234, 9, 362, 707, 1437, 61, 8, 473,
+   50, 14, 366, 812, 1627, 6507, 2, 15, 472, 141, 180, 484, 103, 791,
+   1940, 34, 958, 789, 52, 55, 734, 108, 3838, 1644, 40, 971, 940, 53,
+   363, 957, 705, 1580, 7678, 14, 1438, 1471, 218, 1577, 1412, 3767, 2826, 1645,
+   12, 1918, 1436, 1912, 1886, 1882, 1581, 823, 820, 407, 7767, 7652, 6506, 7766,
+   3152, 2879, 7764, 2827, 398, 438, 7765, 3252, 2878, 3766, 7653, 7679, 821, 439},
+  {1, 11, 25, 111, 42, 117, 2027, 355, 1, 14, 26, 62, 28, 45,
+   356, 2028, 357, 4, 6, 54, 127, 174, 344, 348, 1389, 1037584, 0, 4,
+   123, 243, 59, 2029, 691, 716, 1390, 24, 62, 23, 30, 175, 1015, 1391,
+   717, 1037585, 20, 173, 170, 20, 168, 339, 232, 510, 3535, 120, 440, 338,
+   254, 689, 349, 352, 1037586, 1037587, 122, 688, 485, 233, 252, 1766, 3528, 1412,
+   1037588, 171, 3550, 345, 1012, 3529, 3530, 506, 1037589, 1037590, 252, 511, 484, 175,
+   346, 359, 3531, 1413, 1037591, 1015, 16213, 1037592, 3548, 1414, 16214, 1037593, 16215, 1037594,
+   442, 1415, 1416, 3551, 690, 1037595, 3534, 1014, 1037596, 4052, 1037597, 1037598, 1037599, 518784,
+   518785, 1388, 518786, 518787, 886, 1417, 1418, 518788, 518789, 3549, 518790, 518791, 1419, 32425},
+  {3, 14, 15, 126, 98, 198, 3289, 1598, 2, 2, 0, 24, 12, 105,
+   57, 1799, 3198, 2, 13, 27, 15, 410, 1607, 6711, 214724, 13421, 1, 30,
+   127, 10, 225, 1633, 3300, 214725, 214726, 29, 48, 13, 203, 409, 800, 142,
+   25902, 214727, 62, 57, 53, 51, 415, 448, 3290, 214728, 214729, 11, 208, 414,
+   34, 56, 398, 798, 12948, 572, 50, 18, 19, 113, 413, 32, 3207, 3264,
+   214730, 824, 1619, 418, 810, 802, 3303, 132, 287, 214731, 805, 1609, 811, 119,
+   1608, 1602, 3206, 3212, 214732, 58, 6583, 67, 807, 140, 141, 3213, 214733, 214734,
+   823, 3301, 133, 806, 839, 3236, 3199, 3354, 214735, 808, 107360, 107361, 3288, 1676,
+   12949, 12950, 25903, 26328, 817, 1798, 573, 118, 3265, 898, 3302, 26329, 26330, 26331}
+};
+
+const uint8_t ff_vc1_2ref_mvdata_bits[8][126] = {
+  {4, 5, 5, 5, 6, 7, 8, 10, 2, 5, 5, 6, 6, 7,
+   8, 9, 10, 4, 5, 6, 6, 7, 8, 9, 10, 11, 4, 6,
+   6, 7, 7, 9, 9, 10, 12, 5, 8, 8, 8, 8, 9, 9,
+   10, 12, 5, 7, 8, 7, 7, 8, 9, 9, 11, 7, 9, 10,
+   9, 10, 10, 10, 10, 12, 6, 9, 9, 9, 9, 9, 10, 10,
+   11, 7, 10, 10, 11, 11, 11, 12, 12, 14, 8, 11, 10, 11,
+   11, 11, 11, 12, 12, 8, 12, 11, 11, 12, 12, 12, 12, 13,
+   8, 12, 11, 11, 12, 12, 12, 13, 12, 9, 14, 13, 11, 13,
+   12, 13, 12, 13, 9, 13, 13, 12, 12, 13, 13, 13, 13, 13},
+  {3, 4, 5, 6, 8, 10, 11, 11, 2, 5, 5, 6, 7, 8,
+   10, 11, 11, 4, 5, 5, 6, 7, 9, 12, 13, 13, 4, 6,
+   7, 7, 9, 10, 11, 13, 14, 5, 7, 7, 7, 8, 9, 11,
+   13, 13, 6, 8, 8, 8, 8, 9, 10, 12, 13, 7, 9, 8,
+   8, 8, 9, 11, 12, 13, 7, 9, 9, 9, 9, 9, 10, 11,
+   13, 8, 10, 10, 10, 10, 10, 11, 12, 13, 9, 11, 11, 10,
+   10, 10, 11, 11, 12, 10, 12, 12, 12, 11, 11, 11, 12, 12,
+   10, 13, 12, 12, 11, 11, 11, 12, 12, 10, 13, 13, 12, 13,
+   11, 12, 11, 12, 10, 14, 13, 13, 12, 12, 12, 11, 11, 11},
+  {4, 4, 5, 5, 6, 7, 8, 9, 2, 5, 6, 6, 6, 7,
+   7, 9, 9, 4, 6, 6, 6, 7, 8, 9, 11, 12, 5, 7,
+   7, 7, 9, 9, 10, 11, 12, 5, 7, 7, 7, 7, 9, 9,
+   10, 12, 5, 8, 8, 8, 8, 8, 9, 10, 10, 6, 9, 8,
+   8, 8, 8, 9, 9, 11, 6, 10, 10, 9, 9, 9, 9, 10,
+   10, 7, 11, 10, 9, 9, 10, 9, 10, 11, 7, 10, 11, 10,
+   10, 10, 9, 10, 11, 8, 12, 11, 11, 10, 11, 11, 10, 10,
+   8, 12, 12, 11, 11, 11, 11, 10, 11, 8, 13, 12, 12, 11,
+   11, 11, 11, 10, 9, 13, 12, 12, 12, 11, 11, 10, 10, 10},
+  {3, 4, 6, 7, 7, 9, 11, 11, 2, 5, 5, 6, 8, 9,
+   10, 11, 13, 3, 5, 5, 7, 8, 9, 12, 14, 13, 4, 6,
+   6, 7, 9, 11, 13, 14, 14, 5, 7, 7, 8, 9, 9, 13,
+   15, 13, 6, 8, 8, 8, 9, 10, 12, 14, 13, 7, 10, 9,
+   9, 9, 9, 12, 13, 14, 7, 11, 10, 10, 10, 10, 11, 12,
+   13, 8, 11, 12, 12, 12, 11, 12, 14, 15, 9, 11, 12, 11,
+   12, 11, 11, 12, 13, 9, 12, 13, 13, 12, 12, 13, 14, 14,
+   9, 12, 13, 13, 13, 12, 13, 12, 14, 10, 13, 13, 14, 13,
+   11, 13, 14, 15, 10, 12, 13, 15, 14, 13, 13, 13, 14, 14},
+  {4, 5, 5, 5, 6, 7, 8, 8, 2, 6, 6, 6, 6, 6,
+   8, 9, 10, 4, 6, 6, 6, 6, 7, 9, 10, 11, 4, 7,
+   7, 7, 7, 7, 9, 10, 12, 5, 7, 7, 7, 7, 7, 9,
+   10, 11, 6, 8, 8, 7, 7, 7, 8, 9, 10, 6, 9, 8,
+   8, 7, 8, 10, 10, 11, 7, 9, 9, 8, 8, 8, 9, 9,
+   10, 8, 10, 10, 9, 9, 9, 11, 11, 11, 8, 11, 10, 10,
+   9, 9, 10, 11, 10, 10, 12, 12, 11, 11, 10, 11, 12, 11,
+   10, 13, 12, 11, 11, 10, 10, 11, 11, 11, 15, 13, 13, 13,
+   12, 12, 12, 12, 10, 15, 14, 13, 12, 12, 11, 11, 11, 11},
+  {4, 5, 6, 6, 6, 7, 8, 8, 2, 4, 5, 6, 6, 7,
+   8, 8, 9, 4, 6, 7, 7, 8, 8, 9, 10, 11, 5, 6,
+   7, 7, 8, 8, 9, 10, 12, 5, 7, 8, 8, 8, 9, 10,
+   11, 12, 5, 7, 8, 8, 8, 8, 9, 10, 11, 6, 8, 9,
+   8, 8, 9, 10, 11, 13, 5, 8, 9, 8, 8, 9, 9, 10,
+   11, 6, 10, 10, 9, 9, 10, 10, 12, 13, 6, 10, 10, 9,
+   9, 10, 10, 11, 13, 7, 11, 11, 11, 11, 11, 12, 12, 13,
+   7, 11, 11, 11, 11, 11, 11, 12, 12, 9, 13, 13, 13, 13,
+   12, 12, 13, 12, 9, 12, 13, 12, 12, 12, 13, 13, 12, 12},
+  {3, 5, 6, 8, 9, 10, 12, 12, 1, 5, 6, 7, 8, 9,
+   12, 12, 12, 4, 6, 7, 8, 9, 12, 12, 14, 21, 4, 6,
+   8, 9, 9, 12, 13, 13, 14, 6, 9, 8, 8, 9, 13, 14,
+   13, 21, 6, 9, 9, 8, 9, 10, 11, 12, 13, 8, 10, 10,
+   11, 11, 12, 12, 21, 21, 8, 11, 10, 11, 11, 12, 13, 14,
+   21, 9, 13, 10, 11, 13, 13, 12, 21, 21, 9, 12, 10, 11,
+   12, 12, 13, 14, 21, 11, 15, 21, 13, 14, 15, 21, 15, 21,
+   10, 14, 14, 13, 13, 21, 13, 13, 21, 13, 21, 21, 21, 20,
+   20, 14, 20, 20, 11, 14, 14, 20, 20, 13, 20, 20, 14, 16},
+  {2, 5, 6, 8, 9, 10, 13, 13, 2, 4, 5, 6, 8, 9,
+   10, 13, 14, 3, 5, 7, 8, 10, 12, 15, 20, 16, 4, 6,
+   8, 8, 10, 12, 13, 20, 20, 7, 8, 8, 9, 10, 11, 12,
+   16, 20, 7, 8, 8, 8, 10, 11, 13, 20, 20, 8, 10, 10,
+   10, 10, 11, 12, 15, 14, 8, 9, 9, 9, 10, 10, 13, 13,
+   20, 11, 12, 11, 11, 11, 13, 12, 13, 20, 11, 12, 11, 11,
+   12, 12, 13, 13, 20, 10, 14, 11, 11, 12, 12, 13, 20, 20,
+   11, 13, 12, 11, 12, 13, 14, 14, 20, 11, 19, 19, 13, 13,
+   15, 15, 16, 16, 11, 13, 14, 11, 13, 12, 13, 16, 16, 16}
+};
+
 const uint8_t wmv3_dc_scale_table[32]={
     0, 2, 4, 8, 8, 8, 9, 9,10,10,11,11,12,12,13,13,14,14,15,15,16,16,17,17,18,18,19,19,20,20,21,21
 };
@@ -262,6 +583,112 @@ const uint8_t ff_vc1_cbpcy_p_bits[4][64] = {
   }
 };
 
+/* Interlaced CBPCY VLC tables (Table 124 - Table 131) */
+
+const uint16_t ff_vc1_icbpcy_p_codes[8][63] = {
+  {
+    12058, 12059, 6028, 144, 680, 681, 3015, 145, 682, 683, 1504, 74, 150,
+    151, 189, 146, 684, 685, 1505, 152, 306, 307, 377, 308, 618, 619, 764,
+    78, 64, 65, 43, 147, 686, 687, 1506, 310, 622, 623, 765, 158, 318,
+    319, 383, 80, 66, 67, 44, 81, 164, 165, 190, 83, 68, 69, 45,
+    84, 70, 71, 46, 3, 0, 1, 1
+  }, {
+    65, 66, 256, 67, 136, 137, 257, 69, 140, 141, 258, 16, 34,
+    35, 36, 71, 16, 17, 259, 37, 88, 89, 90, 91, 90, 91, 92,
+    12, 48, 49, 25, 9, 20, 21, 44, 92, 93, 94, 95, 38, 93,
+    94, 95, 13, 52, 53, 27, 20, 39, 42, 43, 14, 56, 57, 29,
+    15, 60, 61, 31, 5, 9, 0, 3
+  }, {
+    50, 51, 26, 38, 228, 229, 486, 39, 230, 231, 487, 14, 99,
+    108, 119, 40, 232, 233, 488, 123, 218, 219, 236, 245, 440, 441, 474,
+    33, 75, 84, 43, 41, 234, 235, 489, 74, 442, 443, 475, 32, 222,
+    223, 242, 34, 85, 88, 45, 15, 112, 113, 120, 35, 89, 92, 47,
+    36, 93, 98, 48, 2, 31, 6, 0
+  }, {
+    40, 41, 157, 0, 490, 491, 492, 1, 493, 494, 495, 5, 240,
+    241, 59, 2, 496, 497, 498, 63, 348, 349, 153, 16, 976, 977, 304,
+    15, 158, 159, 251, 3, 499, 500, 501, 17, 978, 979, 305, 9, 350,
+    351, 156, 16, 168, 169, 56, 6, 242, 243, 77, 17, 170, 171, 57,
+    18, 172, 173, 58, 6, 22, 23, 14
+  }, {
+    60, 61, 31, 10, 97, 98, 2, 11, 99, 100, 3, 7, 3,
+    4, 11, 12, 101, 102, 4, 18, 10, 11, 20, 27, 24, 25, 52,
+    44, 103, 104, 53, 13, 105, 108, 5, 96, 26, 27, 53, 19, 14,
+    15, 21, 45, 109, 110, 56, 8, 8, 9, 12, 46, 111, 114, 58,
+    47, 115, 0, 59, 7, 20, 21, 4
+  }, {
+    56, 57, 157, 10, 145, 146, 147, 11, 148, 149, 150, 3, 238,
+    239, 54, 12, 151, 152, 153, 8, 484, 485, 106, 24, 972, 973, 214,
+    14, 158, 159, 245, 13, 154, 155, 156, 25, 974, 975, 215, 9, 488,
+    489, 144, 15, 232, 233, 246, 5, 240, 241, 55, 16, 234, 235, 247,
+    17, 236, 237, 52, 0, 62, 63, 2
+  }, {
+    60, 61, 463, 0, 191, 224, 508, 1, 225, 226, 509, 9, 497,
+    498, 499, 2, 227, 228, 510, 17, 1006, 1007, 1008, 33, 2018, 2019, 2020,
+    24, 1015, 1022, 1023, 3, 229, 230, 128, 46, 2021, 2022, 2023, 22, 1012,
+    1013, 1014, 25, 258, 259, 260, 10, 500, 501, 502, 26, 261, 262, 263,
+    27, 376, 377, 462, 29, 189, 190, 496
+  }, {
+    3, 4, 438, 4, 46, 47, 14, 5, 48, 49, 15, 3, 10,
+    11, 20, 6, 50, 51, 16, 5, 48, 49, 50, 9, 102, 103, 104,
+    29, 439, 440, 441, 7, 52, 53, 17, 22, 105, 106, 107, 10, 54,
+    55, 216, 30, 442, 443, 444, 4, 21, 22, 23, 31, 445, 446, 447,
+    0, 16, 17, 18, 28, 217, 218, 19
+  }
+};
+
+const uint8_t ff_vc1_icbpcy_p_bits[8][63] = {
+  {
+    15, 15, 14, 9, 11, 11, 13, 9, 11, 11, 12, 8, 9,
+    9, 9, 9, 11, 11, 12, 9, 10, 10, 10, 10, 11, 11, 11,
+    8, 8, 8, 7, 9, 11, 11, 12, 10, 11, 11, 11, 9, 10,
+    10, 10, 8, 8, 8, 7, 8, 9, 9, 9, 8, 8, 8, 7,
+    8, 8, 8, 7, 3, 3, 3, 1
+  }, {
+    7, 7, 9, 7, 8, 8, 9, 7, 8, 8, 9, 6, 7,
+    7, 7, 7, 7, 7, 9, 7, 8, 8, 8, 8, 9, 9, 9,
+    6, 7, 7, 6, 6, 7, 7, 8, 8, 9, 9, 9, 7, 8,
+    8, 8, 6, 7, 7, 6, 6, 7, 7, 7, 6, 7, 7, 6,
+    6, 7, 7, 6, 3, 4, 3, 2
+  }, {
+    6, 6, 5, 6, 8, 8, 9, 6, 8, 8, 9, 5, 7,
+    7, 7, 6, 8, 8, 9, 7, 8, 8, 8, 8, 9, 9, 9,
+    6, 7, 7, 6, 6, 8, 8, 9, 7, 9, 9, 9, 6, 8,
+    8, 8, 6, 7, 7, 6, 5, 7, 7, 7, 6, 7, 7, 6,
+    6, 7, 7, 6, 3, 5, 4, 2
+  }, {
+    6, 6, 8, 4, 9, 9, 9, 4, 9, 9, 9, 4, 8,
+    8, 7, 4, 9, 9, 9, 6, 9, 9, 8, 6, 10, 10, 9,
+    5, 8, 8, 8, 4, 9, 9, 9, 6, 10, 10, 9, 5, 9,
+    9, 8, 5, 8, 8, 7, 4, 8, 8, 7, 5, 8, 8, 7,
+    5, 8, 8, 7, 3, 5, 5, 4
+  }, {
+    6, 6, 5, 5, 7, 7, 7, 5, 7, 7, 7, 5, 6,
+    6, 6, 5, 7, 7, 7, 6, 7, 7, 7, 7, 8, 8, 8,
+    6, 7, 7, 6, 5, 7, 7, 7, 7, 8, 8, 8, 6, 7,
+    7, 7, 6, 7, 7, 6, 5, 6, 6, 6, 6, 7, 7, 6,
+    6, 7, 6, 6, 4, 5, 5, 3
+  }, {
+    6, 6, 8, 4, 8, 8, 8, 4, 8, 8, 8, 4, 8,
+    8, 7, 4, 8, 8, 8, 5, 9, 9, 8, 6, 10, 10, 9,
+    5, 8, 8, 8, 4, 8, 8, 8, 6, 10, 10, 9, 5, 9,
+    9, 8, 5, 8, 8, 8, 4, 8, 8, 7, 5, 8, 8, 8,
+    5, 8, 8, 7, 3, 6, 6, 4
+  }, {
+    6, 6, 9, 3, 8, 8, 9, 3, 8, 8, 9, 4, 9,
+    9, 9, 3, 8, 8, 9, 5, 10, 10, 10, 6, 11, 11, 11,
+    5, 10, 10, 10, 3, 8, 8, 8, 6, 11, 11, 11, 5, 10,
+    10, 10, 5, 9, 9, 9, 4, 9, 9, 9, 5, 9, 9, 9,
+    5, 9, 9, 9, 5, 8, 8, 9
+  }, {
+    6, 6, 10, 3, 7, 7, 7, 3, 7, 7, 7, 4, 8,
+    8, 8, 3, 7, 7, 7, 5, 9, 9, 9, 6, 10, 10, 10,
+    6, 10, 10, 10, 3, 7, 7, 7, 6, 10, 10, 10, 5, 9,
+    9, 9, 6, 10, 10, 10, 4, 8, 8, 8, 6, 10, 10, 10,
+    5, 9, 9, 9, 6, 9, 9, 9
+  }
+};
+
 /* MacroBlock Transform Type: 7.1.3.11, p89
  * 8x8:B
  * 8x4:B:btm  8x4:B:top  8x4:B:both,
@@ -520,3 +947,38 @@ const int32_t ff_vc1_dqscale[63] = {
     0x14E6, 0x147B, 0x1414, 0x13B1, 0x1352, 0x12F7, 0x129E, 0x1249,
     0x11F7, 0x11A8, 0x115B, 0x1111, 0x10C9, 0x1084, 0x1000
 };
+
+/* P Interlaced field picture MV predictor scaling values (Table 114) */
+const uint16_t vc1_field_mvpred_scales[2][7][4] = {
+// Refdist  0       1       2       3 or greater
+  { // current field is first
+    { 128,    192,    213,    224},   // SCALEOPP
+    { 512,    341,    307,    293},   // SCALESAME1
+    { 219,    236,    242,    245},   // SCALESAME2
+    {  32,     48,     53,     56},   // SCALEZONE1_X
+    {   8,     12,     13,     14},   // SCALEZONE1_Y
+    {  37,     20,     14,     11},   // ZONE1OFFSET_X
+    {  10,      5,      4,      3}    // ZONE1OFFSET_Y
+  },
+  { // current field is second
+    { 128,     64,     43,     32},   // SCALEOPP
+    { 512,   1024,   1536,   2048},   // SCALESAME1
+    { 219,    204,    200,    198},   // SCALESAME2
+    {  32,     16,     11,      8},   // SCALEZONE1_X
+    {   8,      4,      3,      2},   // SCALEZONE1_Y
+    {  37,     52,     56,     58},   // ZONE1OFFSET_X
+    {  10,     13,     14,     15}    // ZONE1OFFSET_Y
+  }
+};
+
+/* B Interlaced field picture backward MV predictor scaling values for first field (Table 115) */
+const uint16_t vc1_b_field_mvpred_scales[7][4] = {
+// BRFD     0       1       2       3 or greater
+  { 171,    205,    219,    228},   // SCALESAME
+  { 384,    320,    299,    288},   // SCALEOPP1
+  { 230,    239,    244,    246},   // SCALEOPP2
+  {  43,     51,     55,     57},   // SCALEZONE1_X
+  {  11,     13,     14,     14},   // SCALEZONE1_Y
+  {  26,     17,     12,     10},   // ZONE1OFFSET_X
+  {   7,      4,      3,      3}    // ZONE1OFFSET_Y
+};