ref: 812eb89b26e6fe458133e90e74b0a11b853df56d
dir: libvpx/vp9/common/vp9_scan.c
/*
* Copyright (c) 2010 The WebM project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include <assert.h>
#include "vp9/common/vp9_scan.h"
DECLARE_ALIGNED(16, static const int16_t, default_scan_4x4[16]) = {
0, 4, 1, 5, 8, 2, 12, 9, 3, 6, 13, 10, 7, 14, 11, 15,
};
DECLARE_ALIGNED(16, static const int16_t, col_scan_4x4[16]) = {
0, 4, 8, 1, 12, 5, 9, 2, 13, 6, 10, 3, 7, 14, 11, 15,
};
DECLARE_ALIGNED(16, static const int16_t, row_scan_4x4[16]) = {
0, 1, 4, 2, 5, 3, 6, 8, 9, 7, 12, 10, 13, 11, 14, 15,
};
DECLARE_ALIGNED(16, static const int16_t, default_scan_8x8[64]) = {
0, 8, 1, 16, 9, 2, 17, 24, 10, 3, 18, 25, 32, 11, 4, 26,
33, 19, 40, 12, 34, 27, 5, 41, 20, 48, 13, 35, 42, 28, 21, 6,
49, 56, 36, 43, 29, 7, 14, 50, 57, 44, 22, 37, 15, 51, 58, 30,
45, 23, 52, 59, 38, 31, 60, 53, 46, 39, 61, 54, 47, 62, 55, 63,
};
DECLARE_ALIGNED(16, static const int16_t, col_scan_8x8[64]) = {
0, 8, 16, 1, 24, 9, 32, 17, 2, 40, 25, 10, 33, 18, 48, 3,
26, 41, 11, 56, 19, 34, 4, 49, 27, 42, 12, 35, 20, 57, 50, 28,
5, 43, 13, 36, 58, 51, 21, 44, 6, 29, 59, 37, 14, 52, 22, 7,
45, 60, 30, 15, 38, 53, 23, 46, 31, 61, 39, 54, 47, 62, 55, 63,
};
DECLARE_ALIGNED(16, static const int16_t, row_scan_8x8[64]) = {
0, 1, 2, 8, 9, 3, 16, 10, 4, 17, 11, 24, 5, 18, 25, 12,
19, 26, 32, 6, 13, 20, 33, 27, 7, 34, 40, 21, 28, 41, 14, 35,
48, 42, 29, 36, 49, 22, 43, 15, 56, 37, 50, 44, 30, 57, 23, 51,
58, 45, 38, 52, 31, 59, 53, 46, 60, 39, 61, 47, 54, 55, 62, 63,
};
DECLARE_ALIGNED(16, static const int16_t, default_scan_16x16[256]) = {
0, 16, 1, 32, 17, 2, 48, 33, 18, 3, 64, 34, 49, 19, 65,
80, 50, 4, 35, 66, 20, 81, 96, 51, 5, 36, 82, 97, 67, 112,
21, 52, 98, 37, 83, 113, 6, 68, 128, 53, 22, 99, 114, 84, 7,
129, 38, 69, 100, 115, 144, 130, 85, 54, 23, 8, 145, 39, 70, 116,
101, 131, 160, 146, 55, 86, 24, 71, 132, 117, 161, 40, 9, 102, 147,
176, 162, 87, 56, 25, 133, 118, 177, 148, 72, 103, 41, 163, 10, 192,
178, 88, 57, 134, 149, 119, 26, 164, 73, 104, 193, 42, 179, 208, 11,
135, 89, 165, 120, 150, 58, 194, 180, 27, 74, 209, 105, 151, 136, 43,
90, 224, 166, 195, 181, 121, 210, 59, 12, 152, 106, 167, 196, 75, 137,
225, 211, 240, 182, 122, 91, 28, 197, 13, 226, 168, 183, 153, 44, 212,
138, 107, 241, 60, 29, 123, 198, 184, 227, 169, 242, 76, 213, 154, 45,
92, 14, 199, 139, 61, 228, 214, 170, 185, 243, 108, 77, 155, 30, 15,
200, 229, 124, 215, 244, 93, 46, 186, 171, 201, 109, 140, 230, 62, 216,
245, 31, 125, 78, 156, 231, 47, 187, 202, 217, 94, 246, 141, 63, 232,
172, 110, 247, 157, 79, 218, 203, 126, 233, 188, 248, 95, 173, 142, 219,
111, 249, 234, 158, 127, 189, 204, 250, 235, 143, 174, 220, 205, 159, 251,
190, 221, 175, 236, 237, 191, 206, 252, 222, 253, 207, 238, 223, 254, 239,
255,
};
DECLARE_ALIGNED(16, static const int16_t, col_scan_16x16[256]) = {
0, 16, 32, 48, 1, 64, 17, 80, 33, 96, 49, 2, 65, 112, 18,
81, 34, 128, 50, 97, 3, 66, 144, 19, 113, 35, 82, 160, 98, 51,
129, 4, 67, 176, 20, 114, 145, 83, 36, 99, 130, 52, 192, 5, 161,
68, 115, 21, 146, 84, 208, 177, 37, 131, 100, 53, 162, 224, 69, 6,
116, 193, 147, 85, 22, 240, 132, 38, 178, 101, 163, 54, 209, 117, 70,
7, 148, 194, 86, 179, 225, 23, 133, 39, 164, 8, 102, 210, 241, 55,
195, 118, 149, 71, 180, 24, 87, 226, 134, 165, 211, 40, 103, 56, 72,
150, 196, 242, 119, 9, 181, 227, 88, 166, 25, 135, 41, 104, 212, 57,
151, 197, 120, 73, 243, 182, 136, 167, 213, 89, 10, 228, 105, 152, 198,
26, 42, 121, 183, 244, 168, 58, 137, 229, 74, 214, 90, 153, 199, 184,
11, 106, 245, 27, 122, 230, 169, 43, 215, 59, 200, 138, 185, 246, 75,
12, 91, 154, 216, 231, 107, 28, 44, 201, 123, 170, 60, 247, 232, 76,
139, 13, 92, 217, 186, 248, 155, 108, 29, 124, 45, 202, 233, 171, 61,
14, 77, 140, 15, 249, 93, 30, 187, 156, 218, 46, 109, 125, 62, 172,
78, 203, 31, 141, 234, 94, 47, 188, 63, 157, 110, 250, 219, 79, 126,
204, 173, 142, 95, 189, 111, 235, 158, 220, 251, 127, 174, 143, 205, 236,
159, 190, 221, 252, 175, 206, 237, 191, 253, 222, 238, 207, 254, 223, 239,
255,
};
DECLARE_ALIGNED(16, static const int16_t, row_scan_16x16[256]) = {
0, 1, 2, 16, 3, 17, 4, 18, 32, 5, 33, 19, 6, 34, 48,
20, 49, 7, 35, 21, 50, 64, 8, 36, 65, 22, 51, 37, 80, 9,
66, 52, 23, 38, 81, 67, 10, 53, 24, 82, 68, 96, 39, 11, 54,
83, 97, 69, 25, 98, 84, 40, 112, 55, 12, 70, 99, 113, 85, 26,
41, 56, 114, 100, 13, 71, 128, 86, 27, 115, 101, 129, 42, 57, 72,
116, 14, 87, 130, 102, 144, 73, 131, 117, 28, 58, 15, 88, 43, 145,
103, 132, 146, 118, 74, 160, 89, 133, 104, 29, 59, 147, 119, 44, 161,
148, 90, 105, 134, 162, 120, 176, 75, 135, 149, 30, 60, 163, 177, 45,
121, 91, 106, 164, 178, 150, 192, 136, 165, 179, 31, 151, 193, 76, 122,
61, 137, 194, 107, 152, 180, 208, 46, 166, 167, 195, 92, 181, 138, 209,
123, 153, 224, 196, 77, 168, 210, 182, 240, 108, 197, 62, 154, 225, 183,
169, 211, 47, 139, 93, 184, 226, 212, 241, 198, 170, 124, 155, 199, 78,
213, 185, 109, 227, 200, 63, 228, 242, 140, 214, 171, 186, 156, 229, 243,
125, 94, 201, 244, 215, 216, 230, 141, 187, 202, 79, 172, 110, 157, 245,
217, 231, 95, 246, 232, 126, 203, 247, 233, 173, 218, 142, 111, 158, 188,
248, 127, 234, 219, 249, 189, 204, 143, 174, 159, 250, 235, 205, 220, 175,
190, 251, 221, 191, 206, 236, 207, 237, 252, 222, 253, 223, 238, 239, 254,
255,
};
DECLARE_ALIGNED(16, static const int16_t, default_scan_32x32[1024]) = {
0, 32, 1, 64, 33, 2, 96, 65, 34, 128, 3, 97, 66,
160, 129, 35, 98, 4, 67, 130, 161, 192, 36, 99, 224, 5,
162, 193, 68, 131, 37, 100, 225, 194, 256, 163, 69, 132, 6,
226, 257, 288, 195, 101, 164, 38, 258, 7, 227, 289, 133, 320,
70, 196, 165, 290, 259, 228, 39, 321, 102, 352, 8, 197, 71,
134, 322, 291, 260, 353, 384, 229, 166, 103, 40, 354, 323, 292,
135, 385, 198, 261, 72, 9, 416, 167, 386, 355, 230, 324, 104,
293, 41, 417, 199, 136, 262, 387, 448, 325, 356, 10, 73, 418,
231, 168, 449, 294, 388, 105, 419, 263, 42, 200, 357, 450, 137,
480, 74, 326, 232, 11, 389, 169, 295, 420, 106, 451, 481, 358,
264, 327, 201, 43, 138, 512, 482, 390, 296, 233, 170, 421, 75,
452, 359, 12, 513, 265, 483, 328, 107, 202, 514, 544, 422, 391,
453, 139, 44, 234, 484, 297, 360, 171, 76, 515, 545, 266, 329,
454, 13, 423, 203, 108, 546, 485, 576, 298, 235, 140, 361, 330,
172, 547, 45, 455, 267, 577, 486, 77, 204, 362, 608, 14, 299,
578, 109, 236, 487, 609, 331, 141, 579, 46, 15, 173, 610, 363,
78, 205, 16, 110, 237, 611, 142, 47, 174, 79, 206, 17, 111,
238, 48, 143, 80, 175, 112, 207, 49, 18, 239, 81, 113, 19,
50, 82, 114, 51, 83, 115, 640, 516, 392, 268, 144, 20, 672,
641, 548, 517, 424, 393, 300, 269, 176, 145, 52, 21, 704, 673,
642, 580, 549, 518, 456, 425, 394, 332, 301, 270, 208, 177, 146,
84, 53, 22, 736, 705, 674, 643, 612, 581, 550, 519, 488, 457,
426, 395, 364, 333, 302, 271, 240, 209, 178, 147, 116, 85, 54,
23, 737, 706, 675, 613, 582, 551, 489, 458, 427, 365, 334, 303,
241, 210, 179, 117, 86, 55, 738, 707, 614, 583, 490, 459, 366,
335, 242, 211, 118, 87, 739, 615, 491, 367, 243, 119, 768, 644,
520, 396, 272, 148, 24, 800, 769, 676, 645, 552, 521, 428, 397,
304, 273, 180, 149, 56, 25, 832, 801, 770, 708, 677, 646, 584,
553, 522, 460, 429, 398, 336, 305, 274, 212, 181, 150, 88, 57,
26, 864, 833, 802, 771, 740, 709, 678, 647, 616, 585, 554, 523,
492, 461, 430, 399, 368, 337, 306, 275, 244, 213, 182, 151, 120,
89, 58, 27, 865, 834, 803, 741, 710, 679, 617, 586, 555, 493,
462, 431, 369, 338, 307, 245, 214, 183, 121, 90, 59, 866, 835,
742, 711, 618, 587, 494, 463, 370, 339, 246, 215, 122, 91, 867,
743, 619, 495, 371, 247, 123, 896, 772, 648, 524, 400, 276, 152,
28, 928, 897, 804, 773, 680, 649, 556, 525, 432, 401, 308, 277,
184, 153, 60, 29, 960, 929, 898, 836, 805, 774, 712, 681, 650,
588, 557, 526, 464, 433, 402, 340, 309, 278, 216, 185, 154, 92,
61, 30, 992, 961, 930, 899, 868, 837, 806, 775, 744, 713, 682,
651, 620, 589, 558, 527, 496, 465, 434, 403, 372, 341, 310, 279,
248, 217, 186, 155, 124, 93, 62, 31, 993, 962, 931, 869, 838,
807, 745, 714, 683, 621, 590, 559, 497, 466, 435, 373, 342, 311,
249, 218, 187, 125, 94, 63, 994, 963, 870, 839, 746, 715, 622,
591, 498, 467, 374, 343, 250, 219, 126, 95, 995, 871, 747, 623,
499, 375, 251, 127, 900, 776, 652, 528, 404, 280, 156, 932, 901,
808, 777, 684, 653, 560, 529, 436, 405, 312, 281, 188, 157, 964,
933, 902, 840, 809, 778, 716, 685, 654, 592, 561, 530, 468, 437,
406, 344, 313, 282, 220, 189, 158, 996, 965, 934, 903, 872, 841,
810, 779, 748, 717, 686, 655, 624, 593, 562, 531, 500, 469, 438,
407, 376, 345, 314, 283, 252, 221, 190, 159, 997, 966, 935, 873,
842, 811, 749, 718, 687, 625, 594, 563, 501, 470, 439, 377, 346,
315, 253, 222, 191, 998, 967, 874, 843, 750, 719, 626, 595, 502,
471, 378, 347, 254, 223, 999, 875, 751, 627, 503, 379, 255, 904,
780, 656, 532, 408, 284, 936, 905, 812, 781, 688, 657, 564, 533,
440, 409, 316, 285, 968, 937, 906, 844, 813, 782, 720, 689, 658,
596, 565, 534, 472, 441, 410, 348, 317, 286, 1000, 969, 938, 907,
876, 845, 814, 783, 752, 721, 690, 659, 628, 597, 566, 535, 504,
473, 442, 411, 380, 349, 318, 287, 1001, 970, 939, 877, 846, 815,
753, 722, 691, 629, 598, 567, 505, 474, 443, 381, 350, 319, 1002,
971, 878, 847, 754, 723, 630, 599, 506, 475, 382, 351, 1003, 879,
755, 631, 507, 383, 908, 784, 660, 536, 412, 940, 909, 816, 785,
692, 661, 568, 537, 444, 413, 972, 941, 910, 848, 817, 786, 724,
693, 662, 600, 569, 538, 476, 445, 414, 1004, 973, 942, 911, 880,
849, 818, 787, 756, 725, 694, 663, 632, 601, 570, 539, 508, 477,
446, 415, 1005, 974, 943, 881, 850, 819, 757, 726, 695, 633, 602,
571, 509, 478, 447, 1006, 975, 882, 851, 758, 727, 634, 603, 510,
479, 1007, 883, 759, 635, 511, 912, 788, 664, 540, 944, 913, 820,
789, 696, 665, 572, 541, 976, 945, 914, 852, 821, 790, 728, 697,
666, 604, 573, 542, 1008, 977, 946, 915, 884, 853, 822, 791, 760,
729, 698, 667, 636, 605, 574, 543, 1009, 978, 947, 885, 854, 823,
761, 730, 699, 637, 606, 575, 1010, 979, 886, 855, 762, 731, 638,
607, 1011, 887, 763, 639, 916, 792, 668, 948, 917, 824, 793, 700,
669, 980, 949, 918, 856, 825, 794, 732, 701, 670, 1012, 981, 950,
919, 888, 857, 826, 795, 764, 733, 702, 671, 1013, 982, 951, 889,
858, 827, 765, 734, 703, 1014, 983, 890, 859, 766, 735, 1015, 891,
767, 920, 796, 952, 921, 828, 797, 984, 953, 922, 860, 829, 798,
1016, 985, 954, 923, 892, 861, 830, 799, 1017, 986, 955, 893, 862,
831, 1018, 987, 894, 863, 1019, 895, 924, 956, 925, 988, 957, 926,
1020, 989, 958, 927, 1021, 990, 959, 1022, 991, 1023,
};
// Neighborhood 2-tuples for various scans and blocksizes,
// in {top, left} order for each position in corresponding scan order.
DECLARE_ALIGNED(16, static const int16_t,
default_scan_4x4_neighbors[17 * MAX_NEIGHBORS]) = {
0, 0, 0, 0, 0, 0, 1, 4, 4, 4, 1, 1, 8, 8, 5, 8, 2,
2, 2, 5, 9, 12, 6, 9, 3, 6, 10, 13, 7, 10, 11, 14, 0, 0,
};
DECLARE_ALIGNED(16, static const int16_t,
col_scan_4x4_neighbors[17 * MAX_NEIGHBORS]) = {
0, 0, 0, 0, 4, 4, 0, 0, 8, 8, 1, 1, 5, 5, 1, 1, 9,
9, 2, 2, 6, 6, 2, 2, 3, 3, 10, 10, 7, 7, 11, 11, 0, 0,
};
DECLARE_ALIGNED(16, static const int16_t,
row_scan_4x4_neighbors[17 * MAX_NEIGHBORS]) = {
0, 0, 0, 0, 0, 0, 1, 1, 4, 4, 2, 2, 5, 5, 4, 4, 8,
8, 6, 6, 8, 8, 9, 9, 12, 12, 10, 10, 13, 13, 14, 14, 0, 0,
};
DECLARE_ALIGNED(16, static const int16_t,
col_scan_8x8_neighbors[65 * MAX_NEIGHBORS]) = {
0, 0, 0, 0, 8, 8, 0, 0, 16, 16, 1, 1, 24, 24, 9, 9, 1, 1, 32,
32, 17, 17, 2, 2, 25, 25, 10, 10, 40, 40, 2, 2, 18, 18, 33, 33, 3, 3,
48, 48, 11, 11, 26, 26, 3, 3, 41, 41, 19, 19, 34, 34, 4, 4, 27, 27, 12,
12, 49, 49, 42, 42, 20, 20, 4, 4, 35, 35, 5, 5, 28, 28, 50, 50, 43, 43,
13, 13, 36, 36, 5, 5, 21, 21, 51, 51, 29, 29, 6, 6, 44, 44, 14, 14, 6,
6, 37, 37, 52, 52, 22, 22, 7, 7, 30, 30, 45, 45, 15, 15, 38, 38, 23, 23,
53, 53, 31, 31, 46, 46, 39, 39, 54, 54, 47, 47, 55, 55, 0, 0,
};
DECLARE_ALIGNED(16, static const int16_t,
row_scan_8x8_neighbors[65 * MAX_NEIGHBORS]) = {
0, 0, 0, 0, 1, 1, 0, 0, 8, 8, 2, 2, 8, 8, 9, 9, 3, 3, 16,
16, 10, 10, 16, 16, 4, 4, 17, 17, 24, 24, 11, 11, 18, 18, 25, 25, 24, 24,
5, 5, 12, 12, 19, 19, 32, 32, 26, 26, 6, 6, 33, 33, 32, 32, 20, 20, 27,
27, 40, 40, 13, 13, 34, 34, 40, 40, 41, 41, 28, 28, 35, 35, 48, 48, 21, 21,
42, 42, 14, 14, 48, 48, 36, 36, 49, 49, 43, 43, 29, 29, 56, 56, 22, 22, 50,
50, 57, 57, 44, 44, 37, 37, 51, 51, 30, 30, 58, 58, 52, 52, 45, 45, 59, 59,
38, 38, 60, 60, 46, 46, 53, 53, 54, 54, 61, 61, 62, 62, 0, 0,
};
DECLARE_ALIGNED(16, static const int16_t,
default_scan_8x8_neighbors[65 * MAX_NEIGHBORS]) = {
0, 0, 0, 0, 0, 0, 8, 8, 1, 8, 1, 1, 9, 16, 16, 16, 2, 9, 2,
2, 10, 17, 17, 24, 24, 24, 3, 10, 3, 3, 18, 25, 25, 32, 11, 18, 32, 32,
4, 11, 26, 33, 19, 26, 4, 4, 33, 40, 12, 19, 40, 40, 5, 12, 27, 34, 34,
41, 20, 27, 13, 20, 5, 5, 41, 48, 48, 48, 28, 35, 35, 42, 21, 28, 6, 6,
6, 13, 42, 49, 49, 56, 36, 43, 14, 21, 29, 36, 7, 14, 43, 50, 50, 57, 22,
29, 37, 44, 15, 22, 44, 51, 51, 58, 30, 37, 23, 30, 52, 59, 45, 52, 38, 45,
31, 38, 53, 60, 46, 53, 39, 46, 54, 61, 47, 54, 55, 62, 0, 0,
};
DECLARE_ALIGNED(16, static const int16_t,
col_scan_16x16_neighbors[257 * MAX_NEIGHBORS]) = {
0, 0, 0, 0, 16, 16, 32, 32, 0, 0, 48, 48, 1, 1, 64,
64, 17, 17, 80, 80, 33, 33, 1, 1, 49, 49, 96, 96, 2, 2,
65, 65, 18, 18, 112, 112, 34, 34, 81, 81, 2, 2, 50, 50, 128,
128, 3, 3, 97, 97, 19, 19, 66, 66, 144, 144, 82, 82, 35, 35,
113, 113, 3, 3, 51, 51, 160, 160, 4, 4, 98, 98, 129, 129, 67,
67, 20, 20, 83, 83, 114, 114, 36, 36, 176, 176, 4, 4, 145, 145,
52, 52, 99, 99, 5, 5, 130, 130, 68, 68, 192, 192, 161, 161, 21,
21, 115, 115, 84, 84, 37, 37, 146, 146, 208, 208, 53, 53, 5, 5,
100, 100, 177, 177, 131, 131, 69, 69, 6, 6, 224, 224, 116, 116, 22,
22, 162, 162, 85, 85, 147, 147, 38, 38, 193, 193, 101, 101, 54, 54,
6, 6, 132, 132, 178, 178, 70, 70, 163, 163, 209, 209, 7, 7, 117,
117, 23, 23, 148, 148, 7, 7, 86, 86, 194, 194, 225, 225, 39, 39,
179, 179, 102, 102, 133, 133, 55, 55, 164, 164, 8, 8, 71, 71, 210,
210, 118, 118, 149, 149, 195, 195, 24, 24, 87, 87, 40, 40, 56, 56,
134, 134, 180, 180, 226, 226, 103, 103, 8, 8, 165, 165, 211, 211, 72,
72, 150, 150, 9, 9, 119, 119, 25, 25, 88, 88, 196, 196, 41, 41,
135, 135, 181, 181, 104, 104, 57, 57, 227, 227, 166, 166, 120, 120, 151,
151, 197, 197, 73, 73, 9, 9, 212, 212, 89, 89, 136, 136, 182, 182,
10, 10, 26, 26, 105, 105, 167, 167, 228, 228, 152, 152, 42, 42, 121,
121, 213, 213, 58, 58, 198, 198, 74, 74, 137, 137, 183, 183, 168, 168,
10, 10, 90, 90, 229, 229, 11, 11, 106, 106, 214, 214, 153, 153, 27,
27, 199, 199, 43, 43, 184, 184, 122, 122, 169, 169, 230, 230, 59, 59,
11, 11, 75, 75, 138, 138, 200, 200, 215, 215, 91, 91, 12, 12, 28,
28, 185, 185, 107, 107, 154, 154, 44, 44, 231, 231, 216, 216, 60, 60,
123, 123, 12, 12, 76, 76, 201, 201, 170, 170, 232, 232, 139, 139, 92,
92, 13, 13, 108, 108, 29, 29, 186, 186, 217, 217, 155, 155, 45, 45,
13, 13, 61, 61, 124, 124, 14, 14, 233, 233, 77, 77, 14, 14, 171,
171, 140, 140, 202, 202, 30, 30, 93, 93, 109, 109, 46, 46, 156, 156,
62, 62, 187, 187, 15, 15, 125, 125, 218, 218, 78, 78, 31, 31, 172,
172, 47, 47, 141, 141, 94, 94, 234, 234, 203, 203, 63, 63, 110, 110,
188, 188, 157, 157, 126, 126, 79, 79, 173, 173, 95, 95, 219, 219, 142,
142, 204, 204, 235, 235, 111, 111, 158, 158, 127, 127, 189, 189, 220, 220,
143, 143, 174, 174, 205, 205, 236, 236, 159, 159, 190, 190, 221, 221, 175,
175, 237, 237, 206, 206, 222, 222, 191, 191, 238, 238, 207, 207, 223, 223,
239, 239, 0, 0,
};
DECLARE_ALIGNED(16, static const int16_t,
row_scan_16x16_neighbors[257 * MAX_NEIGHBORS]) = {
0, 0, 0, 0, 1, 1, 0, 0, 2, 2, 16, 16, 3, 3, 17,
17, 16, 16, 4, 4, 32, 32, 18, 18, 5, 5, 33, 33, 32, 32,
19, 19, 48, 48, 6, 6, 34, 34, 20, 20, 49, 49, 48, 48, 7,
7, 35, 35, 64, 64, 21, 21, 50, 50, 36, 36, 64, 64, 8, 8,
65, 65, 51, 51, 22, 22, 37, 37, 80, 80, 66, 66, 9, 9, 52,
52, 23, 23, 81, 81, 67, 67, 80, 80, 38, 38, 10, 10, 53, 53,
82, 82, 96, 96, 68, 68, 24, 24, 97, 97, 83, 83, 39, 39, 96,
96, 54, 54, 11, 11, 69, 69, 98, 98, 112, 112, 84, 84, 25, 25,
40, 40, 55, 55, 113, 113, 99, 99, 12, 12, 70, 70, 112, 112, 85,
85, 26, 26, 114, 114, 100, 100, 128, 128, 41, 41, 56, 56, 71, 71,
115, 115, 13, 13, 86, 86, 129, 129, 101, 101, 128, 128, 72, 72, 130,
130, 116, 116, 27, 27, 57, 57, 14, 14, 87, 87, 42, 42, 144, 144,
102, 102, 131, 131, 145, 145, 117, 117, 73, 73, 144, 144, 88, 88, 132,
132, 103, 103, 28, 28, 58, 58, 146, 146, 118, 118, 43, 43, 160, 160,
147, 147, 89, 89, 104, 104, 133, 133, 161, 161, 119, 119, 160, 160, 74,
74, 134, 134, 148, 148, 29, 29, 59, 59, 162, 162, 176, 176, 44, 44,
120, 120, 90, 90, 105, 105, 163, 163, 177, 177, 149, 149, 176, 176, 135,
135, 164, 164, 178, 178, 30, 30, 150, 150, 192, 192, 75, 75, 121, 121,
60, 60, 136, 136, 193, 193, 106, 106, 151, 151, 179, 179, 192, 192, 45,
45, 165, 165, 166, 166, 194, 194, 91, 91, 180, 180, 137, 137, 208, 208,
122, 122, 152, 152, 208, 208, 195, 195, 76, 76, 167, 167, 209, 209, 181,
181, 224, 224, 107, 107, 196, 196, 61, 61, 153, 153, 224, 224, 182, 182,
168, 168, 210, 210, 46, 46, 138, 138, 92, 92, 183, 183, 225, 225, 211,
211, 240, 240, 197, 197, 169, 169, 123, 123, 154, 154, 198, 198, 77, 77,
212, 212, 184, 184, 108, 108, 226, 226, 199, 199, 62, 62, 227, 227, 241,
241, 139, 139, 213, 213, 170, 170, 185, 185, 155, 155, 228, 228, 242, 242,
124, 124, 93, 93, 200, 200, 243, 243, 214, 214, 215, 215, 229, 229, 140,
140, 186, 186, 201, 201, 78, 78, 171, 171, 109, 109, 156, 156, 244, 244,
216, 216, 230, 230, 94, 94, 245, 245, 231, 231, 125, 125, 202, 202, 246,
246, 232, 232, 172, 172, 217, 217, 141, 141, 110, 110, 157, 157, 187, 187,
247, 247, 126, 126, 233, 233, 218, 218, 248, 248, 188, 188, 203, 203, 142,
142, 173, 173, 158, 158, 249, 249, 234, 234, 204, 204, 219, 219, 174, 174,
189, 189, 250, 250, 220, 220, 190, 190, 205, 205, 235, 235, 206, 206, 236,
236, 251, 251, 221, 221, 252, 252, 222, 222, 237, 237, 238, 238, 253, 253,
254, 254, 0, 0,
};
DECLARE_ALIGNED(16, static const int16_t,
default_scan_16x16_neighbors[257 * MAX_NEIGHBORS]) = {
0, 0, 0, 0, 0, 0, 16, 16, 1, 16, 1, 1, 32, 32, 17,
32, 2, 17, 2, 2, 48, 48, 18, 33, 33, 48, 3, 18, 49, 64,
64, 64, 34, 49, 3, 3, 19, 34, 50, 65, 4, 19, 65, 80, 80,
80, 35, 50, 4, 4, 20, 35, 66, 81, 81, 96, 51, 66, 96, 96,
5, 20, 36, 51, 82, 97, 21, 36, 67, 82, 97, 112, 5, 5, 52,
67, 112, 112, 37, 52, 6, 21, 83, 98, 98, 113, 68, 83, 6, 6,
113, 128, 22, 37, 53, 68, 84, 99, 99, 114, 128, 128, 114, 129, 69,
84, 38, 53, 7, 22, 7, 7, 129, 144, 23, 38, 54, 69, 100, 115,
85, 100, 115, 130, 144, 144, 130, 145, 39, 54, 70, 85, 8, 23, 55,
70, 116, 131, 101, 116, 145, 160, 24, 39, 8, 8, 86, 101, 131, 146,
160, 160, 146, 161, 71, 86, 40, 55, 9, 24, 117, 132, 102, 117, 161,
176, 132, 147, 56, 71, 87, 102, 25, 40, 147, 162, 9, 9, 176, 176,
162, 177, 72, 87, 41, 56, 118, 133, 133, 148, 103, 118, 10, 25, 148,
163, 57, 72, 88, 103, 177, 192, 26, 41, 163, 178, 192, 192, 10, 10,
119, 134, 73, 88, 149, 164, 104, 119, 134, 149, 42, 57, 178, 193, 164,
179, 11, 26, 58, 73, 193, 208, 89, 104, 135, 150, 120, 135, 27, 42,
74, 89, 208, 208, 150, 165, 179, 194, 165, 180, 105, 120, 194, 209, 43,
58, 11, 11, 136, 151, 90, 105, 151, 166, 180, 195, 59, 74, 121, 136,
209, 224, 195, 210, 224, 224, 166, 181, 106, 121, 75, 90, 12, 27, 181,
196, 12, 12, 210, 225, 152, 167, 167, 182, 137, 152, 28, 43, 196, 211,
122, 137, 91, 106, 225, 240, 44, 59, 13, 28, 107, 122, 182, 197, 168,
183, 211, 226, 153, 168, 226, 241, 60, 75, 197, 212, 138, 153, 29, 44,
76, 91, 13, 13, 183, 198, 123, 138, 45, 60, 212, 227, 198, 213, 154,
169, 169, 184, 227, 242, 92, 107, 61, 76, 139, 154, 14, 29, 14, 14,
184, 199, 213, 228, 108, 123, 199, 214, 228, 243, 77, 92, 30, 45, 170,
185, 155, 170, 185, 200, 93, 108, 124, 139, 214, 229, 46, 61, 200, 215,
229, 244, 15, 30, 109, 124, 62, 77, 140, 155, 215, 230, 31, 46, 171,
186, 186, 201, 201, 216, 78, 93, 230, 245, 125, 140, 47, 62, 216, 231,
156, 171, 94, 109, 231, 246, 141, 156, 63, 78, 202, 217, 187, 202, 110,
125, 217, 232, 172, 187, 232, 247, 79, 94, 157, 172, 126, 141, 203, 218,
95, 110, 233, 248, 218, 233, 142, 157, 111, 126, 173, 188, 188, 203, 234,
249, 219, 234, 127, 142, 158, 173, 204, 219, 189, 204, 143, 158, 235, 250,
174, 189, 205, 220, 159, 174, 220, 235, 221, 236, 175, 190, 190, 205, 236,
251, 206, 221, 237, 252, 191, 206, 222, 237, 207, 222, 238, 253, 223, 238,
239, 254, 0, 0,
};
DECLARE_ALIGNED(16, static const int16_t,
default_scan_32x32_neighbors[1025 * MAX_NEIGHBORS]) = {
0, 0, 0, 0, 0, 0, 32, 32, 1, 32, 1, 1, 64, 64,
33, 64, 2, 33, 96, 96, 2, 2, 65, 96, 34, 65, 128, 128,
97, 128, 3, 34, 66, 97, 3, 3, 35, 66, 98, 129, 129, 160,
160, 160, 4, 35, 67, 98, 192, 192, 4, 4, 130, 161, 161, 192,
36, 67, 99, 130, 5, 36, 68, 99, 193, 224, 162, 193, 224, 224,
131, 162, 37, 68, 100, 131, 5, 5, 194, 225, 225, 256, 256, 256,
163, 194, 69, 100, 132, 163, 6, 37, 226, 257, 6, 6, 195, 226,
257, 288, 101, 132, 288, 288, 38, 69, 164, 195, 133, 164, 258, 289,
227, 258, 196, 227, 7, 38, 289, 320, 70, 101, 320, 320, 7, 7,
165, 196, 39, 70, 102, 133, 290, 321, 259, 290, 228, 259, 321, 352,
352, 352, 197, 228, 134, 165, 71, 102, 8, 39, 322, 353, 291, 322,
260, 291, 103, 134, 353, 384, 166, 197, 229, 260, 40, 71, 8, 8,
384, 384, 135, 166, 354, 385, 323, 354, 198, 229, 292, 323, 72, 103,
261, 292, 9, 40, 385, 416, 167, 198, 104, 135, 230, 261, 355, 386,
416, 416, 293, 324, 324, 355, 9, 9, 41, 72, 386, 417, 199, 230,
136, 167, 417, 448, 262, 293, 356, 387, 73, 104, 387, 418, 231, 262,
10, 41, 168, 199, 325, 356, 418, 449, 105, 136, 448, 448, 42, 73,
294, 325, 200, 231, 10, 10, 357, 388, 137, 168, 263, 294, 388, 419,
74, 105, 419, 450, 449, 480, 326, 357, 232, 263, 295, 326, 169, 200,
11, 42, 106, 137, 480, 480, 450, 481, 358, 389, 264, 295, 201, 232,
138, 169, 389, 420, 43, 74, 420, 451, 327, 358, 11, 11, 481, 512,
233, 264, 451, 482, 296, 327, 75, 106, 170, 201, 482, 513, 512, 512,
390, 421, 359, 390, 421, 452, 107, 138, 12, 43, 202, 233, 452, 483,
265, 296, 328, 359, 139, 170, 44, 75, 483, 514, 513, 544, 234, 265,
297, 328, 422, 453, 12, 12, 391, 422, 171, 202, 76, 107, 514, 545,
453, 484, 544, 544, 266, 297, 203, 234, 108, 139, 329, 360, 298, 329,
140, 171, 515, 546, 13, 44, 423, 454, 235, 266, 545, 576, 454, 485,
45, 76, 172, 203, 330, 361, 576, 576, 13, 13, 267, 298, 546, 577,
77, 108, 204, 235, 455, 486, 577, 608, 299, 330, 109, 140, 547, 578,
14, 45, 14, 14, 141, 172, 578, 609, 331, 362, 46, 77, 173, 204,
15, 15, 78, 109, 205, 236, 579, 610, 110, 141, 15, 46, 142, 173,
47, 78, 174, 205, 16, 16, 79, 110, 206, 237, 16, 47, 111, 142,
48, 79, 143, 174, 80, 111, 175, 206, 17, 48, 17, 17, 207, 238,
49, 80, 81, 112, 18, 18, 18, 49, 50, 81, 82, 113, 19, 50,
51, 82, 83, 114, 608, 608, 484, 515, 360, 391, 236, 267, 112, 143,
19, 19, 640, 640, 609, 640, 516, 547, 485, 516, 392, 423, 361, 392,
268, 299, 237, 268, 144, 175, 113, 144, 20, 51, 20, 20, 672, 672,
641, 672, 610, 641, 548, 579, 517, 548, 486, 517, 424, 455, 393, 424,
362, 393, 300, 331, 269, 300, 238, 269, 176, 207, 145, 176, 114, 145,
52, 83, 21, 52, 21, 21, 704, 704, 673, 704, 642, 673, 611, 642,
580, 611, 549, 580, 518, 549, 487, 518, 456, 487, 425, 456, 394, 425,
363, 394, 332, 363, 301, 332, 270, 301, 239, 270, 208, 239, 177, 208,
146, 177, 115, 146, 84, 115, 53, 84, 22, 53, 22, 22, 705, 736,
674, 705, 643, 674, 581, 612, 550, 581, 519, 550, 457, 488, 426, 457,
395, 426, 333, 364, 302, 333, 271, 302, 209, 240, 178, 209, 147, 178,
85, 116, 54, 85, 23, 54, 706, 737, 675, 706, 582, 613, 551, 582,
458, 489, 427, 458, 334, 365, 303, 334, 210, 241, 179, 210, 86, 117,
55, 86, 707, 738, 583, 614, 459, 490, 335, 366, 211, 242, 87, 118,
736, 736, 612, 643, 488, 519, 364, 395, 240, 271, 116, 147, 23, 23,
768, 768, 737, 768, 644, 675, 613, 644, 520, 551, 489, 520, 396, 427,
365, 396, 272, 303, 241, 272, 148, 179, 117, 148, 24, 55, 24, 24,
800, 800, 769, 800, 738, 769, 676, 707, 645, 676, 614, 645, 552, 583,
521, 552, 490, 521, 428, 459, 397, 428, 366, 397, 304, 335, 273, 304,
242, 273, 180, 211, 149, 180, 118, 149, 56, 87, 25, 56, 25, 25,
832, 832, 801, 832, 770, 801, 739, 770, 708, 739, 677, 708, 646, 677,
615, 646, 584, 615, 553, 584, 522, 553, 491, 522, 460, 491, 429, 460,
398, 429, 367, 398, 336, 367, 305, 336, 274, 305, 243, 274, 212, 243,
181, 212, 150, 181, 119, 150, 88, 119, 57, 88, 26, 57, 26, 26,
833, 864, 802, 833, 771, 802, 709, 740, 678, 709, 647, 678, 585, 616,
554, 585, 523, 554, 461, 492, 430, 461, 399, 430, 337, 368, 306, 337,
275, 306, 213, 244, 182, 213, 151, 182, 89, 120, 58, 89, 27, 58,
834, 865, 803, 834, 710, 741, 679, 710, 586, 617, 555, 586, 462, 493,
431, 462, 338, 369, 307, 338, 214, 245, 183, 214, 90, 121, 59, 90,
835, 866, 711, 742, 587, 618, 463, 494, 339, 370, 215, 246, 91, 122,
864, 864, 740, 771, 616, 647, 492, 523, 368, 399, 244, 275, 120, 151,
27, 27, 896, 896, 865, 896, 772, 803, 741, 772, 648, 679, 617, 648,
524, 555, 493, 524, 400, 431, 369, 400, 276, 307, 245, 276, 152, 183,
121, 152, 28, 59, 28, 28, 928, 928, 897, 928, 866, 897, 804, 835,
773, 804, 742, 773, 680, 711, 649, 680, 618, 649, 556, 587, 525, 556,
494, 525, 432, 463, 401, 432, 370, 401, 308, 339, 277, 308, 246, 277,
184, 215, 153, 184, 122, 153, 60, 91, 29, 60, 29, 29, 960, 960,
929, 960, 898, 929, 867, 898, 836, 867, 805, 836, 774, 805, 743, 774,
712, 743, 681, 712, 650, 681, 619, 650, 588, 619, 557, 588, 526, 557,
495, 526, 464, 495, 433, 464, 402, 433, 371, 402, 340, 371, 309, 340,
278, 309, 247, 278, 216, 247, 185, 216, 154, 185, 123, 154, 92, 123,
61, 92, 30, 61, 30, 30, 961, 992, 930, 961, 899, 930, 837, 868,
806, 837, 775, 806, 713, 744, 682, 713, 651, 682, 589, 620, 558, 589,
527, 558, 465, 496, 434, 465, 403, 434, 341, 372, 310, 341, 279, 310,
217, 248, 186, 217, 155, 186, 93, 124, 62, 93, 31, 62, 962, 993,
931, 962, 838, 869, 807, 838, 714, 745, 683, 714, 590, 621, 559, 590,
466, 497, 435, 466, 342, 373, 311, 342, 218, 249, 187, 218, 94, 125,
63, 94, 963, 994, 839, 870, 715, 746, 591, 622, 467, 498, 343, 374,
219, 250, 95, 126, 868, 899, 744, 775, 620, 651, 496, 527, 372, 403,
248, 279, 124, 155, 900, 931, 869, 900, 776, 807, 745, 776, 652, 683,
621, 652, 528, 559, 497, 528, 404, 435, 373, 404, 280, 311, 249, 280,
156, 187, 125, 156, 932, 963, 901, 932, 870, 901, 808, 839, 777, 808,
746, 777, 684, 715, 653, 684, 622, 653, 560, 591, 529, 560, 498, 529,
436, 467, 405, 436, 374, 405, 312, 343, 281, 312, 250, 281, 188, 219,
157, 188, 126, 157, 964, 995, 933, 964, 902, 933, 871, 902, 840, 871,
809, 840, 778, 809, 747, 778, 716, 747, 685, 716, 654, 685, 623, 654,
592, 623, 561, 592, 530, 561, 499, 530, 468, 499, 437, 468, 406, 437,
375, 406, 344, 375, 313, 344, 282, 313, 251, 282, 220, 251, 189, 220,
158, 189, 127, 158, 965, 996, 934, 965, 903, 934, 841, 872, 810, 841,
779, 810, 717, 748, 686, 717, 655, 686, 593, 624, 562, 593, 531, 562,
469, 500, 438, 469, 407, 438, 345, 376, 314, 345, 283, 314, 221, 252,
190, 221, 159, 190, 966, 997, 935, 966, 842, 873, 811, 842, 718, 749,
687, 718, 594, 625, 563, 594, 470, 501, 439, 470, 346, 377, 315, 346,
222, 253, 191, 222, 967, 998, 843, 874, 719, 750, 595, 626, 471, 502,
347, 378, 223, 254, 872, 903, 748, 779, 624, 655, 500, 531, 376, 407,
252, 283, 904, 935, 873, 904, 780, 811, 749, 780, 656, 687, 625, 656,
532, 563, 501, 532, 408, 439, 377, 408, 284, 315, 253, 284, 936, 967,
905, 936, 874, 905, 812, 843, 781, 812, 750, 781, 688, 719, 657, 688,
626, 657, 564, 595, 533, 564, 502, 533, 440, 471, 409, 440, 378, 409,
316, 347, 285, 316, 254, 285, 968, 999, 937, 968, 906, 937, 875, 906,
844, 875, 813, 844, 782, 813, 751, 782, 720, 751, 689, 720, 658, 689,
627, 658, 596, 627, 565, 596, 534, 565, 503, 534, 472, 503, 441, 472,
410, 441, 379, 410, 348, 379, 317, 348, 286, 317, 255, 286, 969, 1000,
938, 969, 907, 938, 845, 876, 814, 845, 783, 814, 721, 752, 690, 721,
659, 690, 597, 628, 566, 597, 535, 566, 473, 504, 442, 473, 411, 442,
349, 380, 318, 349, 287, 318, 970, 1001, 939, 970, 846, 877, 815, 846,
722, 753, 691, 722, 598, 629, 567, 598, 474, 505, 443, 474, 350, 381,
319, 350, 971, 1002, 847, 878, 723, 754, 599, 630, 475, 506, 351, 382,
876, 907, 752, 783, 628, 659, 504, 535, 380, 411, 908, 939, 877, 908,
784, 815, 753, 784, 660, 691, 629, 660, 536, 567, 505, 536, 412, 443,
381, 412, 940, 971, 909, 940, 878, 909, 816, 847, 785, 816, 754, 785,
692, 723, 661, 692, 630, 661, 568, 599, 537, 568, 506, 537, 444, 475,
413, 444, 382, 413, 972, 1003, 941, 972, 910, 941, 879, 910, 848, 879,
817, 848, 786, 817, 755, 786, 724, 755, 693, 724, 662, 693, 631, 662,
600, 631, 569, 600, 538, 569, 507, 538, 476, 507, 445, 476, 414, 445,
383, 414, 973, 1004, 942, 973, 911, 942, 849, 880, 818, 849, 787, 818,
725, 756, 694, 725, 663, 694, 601, 632, 570, 601, 539, 570, 477, 508,
446, 477, 415, 446, 974, 1005, 943, 974, 850, 881, 819, 850, 726, 757,
695, 726, 602, 633, 571, 602, 478, 509, 447, 478, 975, 1006, 851, 882,
727, 758, 603, 634, 479, 510, 880, 911, 756, 787, 632, 663, 508, 539,
912, 943, 881, 912, 788, 819, 757, 788, 664, 695, 633, 664, 540, 571,
509, 540, 944, 975, 913, 944, 882, 913, 820, 851, 789, 820, 758, 789,
696, 727, 665, 696, 634, 665, 572, 603, 541, 572, 510, 541, 976, 1007,
945, 976, 914, 945, 883, 914, 852, 883, 821, 852, 790, 821, 759, 790,
728, 759, 697, 728, 666, 697, 635, 666, 604, 635, 573, 604, 542, 573,
511, 542, 977, 1008, 946, 977, 915, 946, 853, 884, 822, 853, 791, 822,
729, 760, 698, 729, 667, 698, 605, 636, 574, 605, 543, 574, 978, 1009,
947, 978, 854, 885, 823, 854, 730, 761, 699, 730, 606, 637, 575, 606,
979, 1010, 855, 886, 731, 762, 607, 638, 884, 915, 760, 791, 636, 667,
916, 947, 885, 916, 792, 823, 761, 792, 668, 699, 637, 668, 948, 979,
917, 948, 886, 917, 824, 855, 793, 824, 762, 793, 700, 731, 669, 700,
638, 669, 980, 1011, 949, 980, 918, 949, 887, 918, 856, 887, 825, 856,
794, 825, 763, 794, 732, 763, 701, 732, 670, 701, 639, 670, 981, 1012,
950, 981, 919, 950, 857, 888, 826, 857, 795, 826, 733, 764, 702, 733,
671, 702, 982, 1013, 951, 982, 858, 889, 827, 858, 734, 765, 703, 734,
983, 1014, 859, 890, 735, 766, 888, 919, 764, 795, 920, 951, 889, 920,
796, 827, 765, 796, 952, 983, 921, 952, 890, 921, 828, 859, 797, 828,
766, 797, 984, 1015, 953, 984, 922, 953, 891, 922, 860, 891, 829, 860,
798, 829, 767, 798, 985, 1016, 954, 985, 923, 954, 861, 892, 830, 861,
799, 830, 986, 1017, 955, 986, 862, 893, 831, 862, 987, 1018, 863, 894,
892, 923, 924, 955, 893, 924, 956, 987, 925, 956, 894, 925, 988, 1019,
957, 988, 926, 957, 895, 926, 989, 1020, 958, 989, 927, 958, 990, 1021,
959, 990, 991, 1022, 0, 0,
};
DECLARE_ALIGNED(16, static const int16_t, vp9_default_iscan_4x4[16]) = {
0, 2, 5, 8, 1, 3, 9, 12, 4, 7, 11, 14, 6, 10, 13, 15,
};
DECLARE_ALIGNED(16, static const int16_t, vp9_col_iscan_4x4[16]) = {
0, 3, 7, 11, 1, 5, 9, 12, 2, 6, 10, 14, 4, 8, 13, 15,
};
DECLARE_ALIGNED(16, static const int16_t, vp9_row_iscan_4x4[16]) = {
0, 1, 3, 5, 2, 4, 6, 9, 7, 8, 11, 13, 10, 12, 14, 15,
};
DECLARE_ALIGNED(16, static const int16_t, vp9_col_iscan_8x8[64]) = {
0, 3, 8, 15, 22, 32, 40, 47, 1, 5, 11, 18, 26, 34, 44, 51,
2, 7, 13, 20, 28, 38, 46, 54, 4, 10, 16, 24, 31, 41, 50, 56,
6, 12, 21, 27, 35, 43, 52, 58, 9, 17, 25, 33, 39, 48, 55, 60,
14, 23, 30, 37, 45, 53, 59, 62, 19, 29, 36, 42, 49, 57, 61, 63,
};
DECLARE_ALIGNED(16, static const int16_t, vp9_row_iscan_8x8[64]) = {
0, 1, 2, 5, 8, 12, 19, 24, 3, 4, 7, 10, 15, 20, 30, 39,
6, 9, 13, 16, 21, 27, 37, 46, 11, 14, 17, 23, 28, 34, 44, 52,
18, 22, 25, 31, 35, 41, 50, 57, 26, 29, 33, 38, 43, 49, 55, 59,
32, 36, 42, 47, 51, 54, 60, 61, 40, 45, 48, 53, 56, 58, 62, 63,
};
DECLARE_ALIGNED(16, static const int16_t, vp9_default_iscan_8x8[64]) = {
0, 2, 5, 9, 14, 22, 31, 37, 1, 4, 8, 13, 19, 26, 38, 44,
3, 6, 10, 17, 24, 30, 42, 49, 7, 11, 15, 21, 29, 36, 47, 53,
12, 16, 20, 27, 34, 43, 52, 57, 18, 23, 28, 35, 41, 48, 56, 60,
25, 32, 39, 45, 50, 55, 59, 62, 33, 40, 46, 51, 54, 58, 61, 63,
};
DECLARE_ALIGNED(16, static const int16_t, vp9_col_iscan_16x16[256]) = {
0, 4, 11, 20, 31, 43, 59, 75, 85, 109, 130, 150, 165, 181, 195, 198,
1, 6, 14, 23, 34, 47, 64, 81, 95, 114, 135, 153, 171, 188, 201, 212,
2, 8, 16, 25, 38, 52, 67, 83, 101, 116, 136, 157, 172, 190, 205, 216,
3, 10, 18, 29, 41, 55, 71, 89, 103, 119, 141, 159, 176, 194, 208, 218,
5, 12, 21, 32, 45, 58, 74, 93, 104, 123, 144, 164, 179, 196, 210, 223,
7, 15, 26, 37, 49, 63, 78, 96, 112, 129, 146, 166, 182, 200, 215, 228,
9, 19, 28, 39, 54, 69, 86, 102, 117, 132, 151, 170, 187, 206, 220, 230,
13, 24, 35, 46, 60, 73, 91, 108, 122, 137, 154, 174, 189, 207, 224, 235,
17, 30, 40, 53, 66, 82, 98, 115, 126, 142, 161, 180, 197, 213, 227, 237,
22, 36, 48, 62, 76, 92, 105, 120, 133, 147, 167, 186, 203, 219, 232, 240,
27, 44, 56, 70, 84, 99, 113, 127, 140, 156, 175, 193, 209, 226, 236, 244,
33, 51, 68, 79, 94, 110, 125, 138, 149, 162, 184, 202, 217, 229, 241, 247,
42, 61, 77, 90, 106, 121, 134, 148, 160, 173, 191, 211, 225, 238, 245, 251,
50, 72, 87, 100, 118, 128, 145, 158, 168, 183, 204, 222, 233, 242, 249, 253,
57, 80, 97, 111, 131, 143, 155, 169, 178, 192, 214, 231, 239, 246, 250, 254,
65, 88, 107, 124, 139, 152, 163, 177, 185, 199, 221, 234, 243, 248, 252, 255,
};
DECLARE_ALIGNED(16, static const int16_t, vp9_row_iscan_16x16[256]) = {
0, 1, 2, 4, 6, 9, 12, 17, 22, 29, 36, 43, 54, 64, 76,
86, 3, 5, 7, 11, 15, 19, 25, 32, 38, 48, 59, 68, 84, 99,
115, 130, 8, 10, 13, 18, 23, 27, 33, 42, 51, 60, 72, 88, 103,
119, 142, 167, 14, 16, 20, 26, 31, 37, 44, 53, 61, 73, 85, 100,
116, 135, 161, 185, 21, 24, 30, 35, 40, 47, 55, 65, 74, 81, 94,
112, 133, 154, 179, 205, 28, 34, 39, 45, 50, 58, 67, 77, 87, 96,
106, 121, 146, 169, 196, 212, 41, 46, 49, 56, 63, 70, 79, 90, 98,
107, 122, 138, 159, 182, 207, 222, 52, 57, 62, 69, 75, 83, 93, 102,
110, 120, 134, 150, 176, 195, 215, 226, 66, 71, 78, 82, 91, 97, 108,
113, 127, 136, 148, 168, 188, 202, 221, 232, 80, 89, 92, 101, 105, 114,
125, 131, 139, 151, 162, 177, 192, 208, 223, 234, 95, 104, 109, 117, 123,
128, 143, 144, 155, 165, 175, 190, 206, 219, 233, 239, 111, 118, 124, 129,
140, 147, 157, 164, 170, 181, 191, 203, 224, 230, 240, 243, 126, 132, 137,
145, 153, 160, 174, 178, 184, 197, 204, 216, 231, 237, 244, 246, 141, 149,
156, 166, 172, 180, 189, 199, 200, 210, 220, 228, 238, 242, 249, 251, 152,
163, 171, 183, 186, 193, 201, 211, 214, 218, 227, 236, 245, 247, 252, 253,
158, 173, 187, 194, 198, 209, 213, 217, 225, 229, 235, 241, 248, 250, 254,
255,
};
DECLARE_ALIGNED(16, static const int16_t, vp9_default_iscan_16x16[256]) = {
0, 2, 5, 9, 17, 24, 36, 44, 55, 72, 88, 104, 128, 143, 166,
179, 1, 4, 8, 13, 20, 30, 40, 54, 66, 79, 96, 113, 141, 154,
178, 196, 3, 7, 11, 18, 25, 33, 46, 57, 71, 86, 101, 119, 148,
164, 186, 201, 6, 12, 16, 23, 31, 39, 53, 64, 78, 92, 110, 127,
153, 169, 193, 208, 10, 14, 19, 28, 37, 47, 58, 67, 84, 98, 114,
133, 161, 176, 198, 214, 15, 21, 26, 34, 43, 52, 65, 77, 91, 106,
120, 140, 165, 185, 205, 221, 22, 27, 32, 41, 48, 60, 73, 85, 99,
116, 130, 151, 175, 190, 211, 225, 29, 35, 42, 49, 59, 69, 81, 95,
108, 125, 139, 155, 182, 197, 217, 229, 38, 45, 51, 61, 68, 80, 93,
105, 118, 134, 150, 168, 191, 207, 223, 234, 50, 56, 63, 74, 83, 94,
109, 117, 129, 147, 163, 177, 199, 213, 228, 238, 62, 70, 76, 87, 97,
107, 122, 131, 145, 159, 172, 188, 210, 222, 235, 242, 75, 82, 90, 102,
112, 124, 138, 146, 157, 173, 187, 202, 219, 230, 240, 245, 89, 100, 111,
123, 132, 142, 156, 167, 180, 189, 203, 216, 231, 237, 246, 250, 103, 115,
126, 136, 149, 162, 171, 183, 194, 204, 215, 224, 236, 241, 248, 252, 121,
135, 144, 158, 170, 181, 192, 200, 209, 218, 227, 233, 243, 244, 251, 254,
137, 152, 160, 174, 184, 195, 206, 212, 220, 226, 232, 239, 247, 249, 253,
255,
};
DECLARE_ALIGNED(16, static const int16_t, vp9_default_iscan_32x32[1024]) = {
0, 2, 5, 10, 17, 25, 38, 47, 62, 83, 101, 121, 145,
170, 193, 204, 210, 219, 229, 233, 245, 257, 275, 299, 342, 356,
377, 405, 455, 471, 495, 527, 1, 4, 8, 15, 22, 30, 45,
58, 74, 92, 112, 133, 158, 184, 203, 215, 222, 228, 234, 237,
256, 274, 298, 317, 355, 376, 404, 426, 470, 494, 526, 551, 3,
7, 12, 18, 28, 36, 52, 64, 82, 102, 118, 142, 164, 189,
208, 217, 224, 231, 235, 238, 273, 297, 316, 329, 375, 403, 425,
440, 493, 525, 550, 567, 6, 11, 16, 23, 31, 43, 60, 73,
90, 109, 126, 150, 173, 196, 211, 220, 226, 232, 236, 239, 296,
315, 328, 335, 402, 424, 439, 447, 524, 549, 566, 575, 9, 14,
19, 29, 37, 50, 65, 78, 95, 116, 134, 157, 179, 201, 214,
223, 244, 255, 272, 295, 341, 354, 374, 401, 454, 469, 492, 523,
582, 596, 617, 645, 13, 20, 26, 35, 44, 54, 72, 85, 105,
123, 140, 163, 182, 205, 216, 225, 254, 271, 294, 314, 353, 373,
400, 423, 468, 491, 522, 548, 595, 616, 644, 666, 21, 27, 33,
42, 53, 63, 80, 94, 113, 132, 151, 172, 190, 209, 218, 227,
270, 293, 313, 327, 372, 399, 422, 438, 490, 521, 547, 565, 615,
643, 665, 680, 24, 32, 39, 48, 57, 71, 88, 104, 120, 139,
159, 178, 197, 212, 221, 230, 292, 312, 326, 334, 398, 421, 437,
446, 520, 546, 564, 574, 642, 664, 679, 687, 34, 40, 46, 56,
68, 81, 96, 111, 130, 147, 167, 186, 243, 253, 269, 291, 340,
352, 371, 397, 453, 467, 489, 519, 581, 594, 614, 641, 693, 705,
723, 747, 41, 49, 55, 67, 77, 91, 107, 124, 138, 161, 177,
194, 252, 268, 290, 311, 351, 370, 396, 420, 466, 488, 518, 545,
593, 613, 640, 663, 704, 722, 746, 765, 51, 59, 66, 76, 89,
99, 119, 131, 149, 168, 181, 200, 267, 289, 310, 325, 369, 395,
419, 436, 487, 517, 544, 563, 612, 639, 662, 678, 721, 745, 764,
777, 61, 69, 75, 87, 100, 114, 129, 144, 162, 180, 191, 207,
288, 309, 324, 333, 394, 418, 435, 445, 516, 543, 562, 573, 638,
661, 677, 686, 744, 763, 776, 783, 70, 79, 86, 97, 108, 122,
137, 155, 242, 251, 266, 287, 339, 350, 368, 393, 452, 465, 486,
515, 580, 592, 611, 637, 692, 703, 720, 743, 788, 798, 813, 833,
84, 93, 103, 110, 125, 141, 154, 171, 250, 265, 286, 308, 349,
367, 392, 417, 464, 485, 514, 542, 591, 610, 636, 660, 702, 719,
742, 762, 797, 812, 832, 848, 98, 106, 115, 127, 143, 156, 169,
185, 264, 285, 307, 323, 366, 391, 416, 434, 484, 513, 541, 561,
609, 635, 659, 676, 718, 741, 761, 775, 811, 831, 847, 858, 117,
128, 136, 148, 160, 175, 188, 198, 284, 306, 322, 332, 390, 415,
433, 444, 512, 540, 560, 572, 634, 658, 675, 685, 740, 760, 774,
782, 830, 846, 857, 863, 135, 146, 152, 165, 241, 249, 263, 283,
338, 348, 365, 389, 451, 463, 483, 511, 579, 590, 608, 633, 691,
701, 717, 739, 787, 796, 810, 829, 867, 875, 887, 903, 153, 166,
174, 183, 248, 262, 282, 305, 347, 364, 388, 414, 462, 482, 510,
539, 589, 607, 632, 657, 700, 716, 738, 759, 795, 809, 828, 845,
874, 886, 902, 915, 176, 187, 195, 202, 261, 281, 304, 321, 363,
387, 413, 432, 481, 509, 538, 559, 606, 631, 656, 674, 715, 737,
758, 773, 808, 827, 844, 856, 885, 901, 914, 923, 192, 199, 206,
213, 280, 303, 320, 331, 386, 412, 431, 443, 508, 537, 558, 571,
630, 655, 673, 684, 736, 757, 772, 781, 826, 843, 855, 862, 900,
913, 922, 927, 240, 247, 260, 279, 337, 346, 362, 385, 450, 461,
480, 507, 578, 588, 605, 629, 690, 699, 714, 735, 786, 794, 807,
825, 866, 873, 884, 899, 930, 936, 945, 957, 246, 259, 278, 302,
345, 361, 384, 411, 460, 479, 506, 536, 587, 604, 628, 654, 698,
713, 734, 756, 793, 806, 824, 842, 872, 883, 898, 912, 935, 944,
956, 966, 258, 277, 301, 319, 360, 383, 410, 430, 478, 505, 535,
557, 603, 627, 653, 672, 712, 733, 755, 771, 805, 823, 841, 854,
882, 897, 911, 921, 943, 955, 965, 972, 276, 300, 318, 330, 382,
409, 429, 442, 504, 534, 556, 570, 626, 652, 671, 683, 732, 754,
770, 780, 822, 840, 853, 861, 896, 910, 920, 926, 954, 964, 971,
975, 336, 344, 359, 381, 449, 459, 477, 503, 577, 586, 602, 625,
689, 697, 711, 731, 785, 792, 804, 821, 865, 871, 881, 895, 929,
934, 942, 953, 977, 981, 987, 995, 343, 358, 380, 408, 458, 476,
502, 533, 585, 601, 624, 651, 696, 710, 730, 753, 791, 803, 820,
839, 870, 880, 894, 909, 933, 941, 952, 963, 980, 986, 994, 1001,
357, 379, 407, 428, 475, 501, 532, 555, 600, 623, 650, 670, 709,
729, 752, 769, 802, 819, 838, 852, 879, 893, 908, 919, 940, 951,
962, 970, 985, 993, 1000, 1005, 378, 406, 427, 441, 500, 531, 554,
569, 622, 649, 669, 682, 728, 751, 768, 779, 818, 837, 851, 860,
892, 907, 918, 925, 950, 961, 969, 974, 992, 999, 1004, 1007, 448,
457, 474, 499, 576, 584, 599, 621, 688, 695, 708, 727, 784, 790,
801, 817, 864, 869, 878, 891, 928, 932, 939, 949, 976, 979, 984,
991, 1008, 1010, 1013, 1017, 456, 473, 498, 530, 583, 598, 620, 648,
694, 707, 726, 750, 789, 800, 816, 836, 868, 877, 890, 906, 931,
938, 948, 960, 978, 983, 990, 998, 1009, 1012, 1016, 1020, 472, 497,
529, 553, 597, 619, 647, 668, 706, 725, 749, 767, 799, 815, 835,
850, 876, 889, 905, 917, 937, 947, 959, 968, 982, 989, 997, 1003,
1011, 1015, 1019, 1022, 496, 528, 552, 568, 618, 646, 667, 681, 724,
748, 766, 778, 814, 834, 849, 859, 888, 904, 916, 924, 946, 958,
967, 973, 988, 996, 1002, 1006, 1014, 1018, 1021, 1023,
};
const scan_order vp9_default_scan_orders[TX_SIZES] = {
{ default_scan_4x4, vp9_default_iscan_4x4, default_scan_4x4_neighbors },
{ default_scan_8x8, vp9_default_iscan_8x8, default_scan_8x8_neighbors },
{ default_scan_16x16, vp9_default_iscan_16x16, default_scan_16x16_neighbors },
{ default_scan_32x32, vp9_default_iscan_32x32, default_scan_32x32_neighbors },
};
const scan_order vp9_scan_orders[TX_SIZES][TX_TYPES] = {
{ // TX_4X4
{ default_scan_4x4, vp9_default_iscan_4x4, default_scan_4x4_neighbors },
{ row_scan_4x4, vp9_row_iscan_4x4, row_scan_4x4_neighbors },
{ col_scan_4x4, vp9_col_iscan_4x4, col_scan_4x4_neighbors },
{ default_scan_4x4, vp9_default_iscan_4x4, default_scan_4x4_neighbors } },
{ // TX_8X8
{ default_scan_8x8, vp9_default_iscan_8x8, default_scan_8x8_neighbors },
{ row_scan_8x8, vp9_row_iscan_8x8, row_scan_8x8_neighbors },
{ col_scan_8x8, vp9_col_iscan_8x8, col_scan_8x8_neighbors },
{ default_scan_8x8, vp9_default_iscan_8x8, default_scan_8x8_neighbors } },
{ // TX_16X16
{ default_scan_16x16, vp9_default_iscan_16x16,
default_scan_16x16_neighbors },
{ row_scan_16x16, vp9_row_iscan_16x16, row_scan_16x16_neighbors },
{ col_scan_16x16, vp9_col_iscan_16x16, col_scan_16x16_neighbors },
{ default_scan_16x16, vp9_default_iscan_16x16,
default_scan_16x16_neighbors } },
{ // TX_32X32
{ default_scan_32x32, vp9_default_iscan_32x32,
default_scan_32x32_neighbors },
{ default_scan_32x32, vp9_default_iscan_32x32,
default_scan_32x32_neighbors },
{ default_scan_32x32, vp9_default_iscan_32x32,
default_scan_32x32_neighbors },
{ default_scan_32x32, vp9_default_iscan_32x32,
default_scan_32x32_neighbors } }
};