| /* | 
 |  * Copyright (c) 2016, Alliance for Open Media. All rights reserved | 
 |  * | 
 |  * This source code is subject to the terms of the BSD 2 Clause License and | 
 |  * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License | 
 |  * was not distributed with this source code in the LICENSE file, you can | 
 |  * obtain it at www.aomedia.org/license/software. If the Alliance for Open | 
 |  * Media Patent License 1.0 was not distributed with this source code in the | 
 |  * PATENTS file, you can obtain it at www.aomedia.org/license/patent. | 
 |  */ | 
 |  | 
 | #include <assert.h> | 
 |  | 
 | #include "av1/common/common_data.h" | 
 | #include "av1/common/scan.h" | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, default_scan_4x4[16]) = { | 
 |   0, 1, 4, 8, 5, 2, 3, 6, 9, 12, 13, 10, 7, 11, 14, 15 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, mcol_scan_4x4[16]) = { | 
 |   0, 4, 8, 12, 1, 5, 9, 13, 2, 6, 10, 14, 3, 7, 11, 15, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, mrow_scan_4x4[16]) = { | 
 |   0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, default_scan_4x8[32]) = { | 
 |   0,  1,  4,  2,  5,  8,  3,  6,  9,  12, 7,  10, 13, 16, 11, 14, | 
 |   17, 20, 15, 18, 21, 24, 19, 22, 25, 28, 23, 26, 29, 27, 30, 31, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, mcol_scan_4x8[32]) = { | 
 |   0, 4, 8,  12, 16, 20, 24, 28, 1, 5, 9,  13, 17, 21, 25, 29, | 
 |   2, 6, 10, 14, 18, 22, 26, 30, 3, 7, 11, 15, 19, 23, 27, 31, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, mrow_scan_4x8[32]) = { | 
 |   0,  1,  2,  3,  4,  5,  6,  7,  8,  9,  10, 11, 12, 13, 14, 15, | 
 |   16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, default_scan_8x4[32]) = { | 
 |   0,  8, 1,  16, 9,  2, 24, 17, 10, 3, 25, 18, 11, 4,  26, 19, | 
 |   12, 5, 27, 20, 13, 6, 28, 21, 14, 7, 29, 22, 15, 30, 23, 31, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, mcol_scan_8x4[32]) = { | 
 |   0, 8,  16, 24, 1, 9,  17, 25, 2, 10, 18, 26, 3, 11, 19, 27, | 
 |   4, 12, 20, 28, 5, 13, 21, 29, 6, 14, 22, 30, 7, 15, 23, 31, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, mrow_scan_8x4[32]) = { | 
 |   0,  1,  2,  3,  4,  5,  6,  7,  8,  9,  10, 11, 12, 13, 14, 15, | 
 |   16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, default_scan_4x16[64]) = { | 
 |   0,  1,  4,  2,  5,  8,  3,  6,  9,  12, 7,  10, 13, 16, 11, 14, | 
 |   17, 20, 15, 18, 21, 24, 19, 22, 25, 28, 23, 26, 29, 32, 27, 30, | 
 |   33, 36, 31, 34, 37, 40, 35, 38, 41, 44, 39, 42, 45, 48, 43, 46, | 
 |   49, 52, 47, 50, 53, 56, 51, 54, 57, 60, 55, 58, 61, 59, 62, 63, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, default_scan_16x4[64]) = { | 
 |   0,  16, 1,  32, 17, 2,  48, 33, 18, 3,  49, 34, 19, 4,  50, 35, | 
 |   20, 5,  51, 36, 21, 6,  52, 37, 22, 7,  53, 38, 23, 8,  54, 39, | 
 |   24, 9,  55, 40, 25, 10, 56, 41, 26, 11, 57, 42, 27, 12, 58, 43, | 
 |   28, 13, 59, 44, 29, 14, 60, 45, 30, 15, 61, 46, 31, 62, 47, 63, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, mrow_scan_4x16[64]) = { | 
 |   0,  1,  2,  3,  4,  5,  6,  7,  8,  9,  10, 11, 12, 13, 14, 15, | 
 |   16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, | 
 |   32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, | 
 |   48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, mrow_scan_16x4[64]) = { | 
 |   0,  1,  2,  3,  4,  5,  6,  7,  8,  9,  10, 11, 12, 13, 14, 15, | 
 |   16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, | 
 |   32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, | 
 |   48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, mcol_scan_4x16[64]) = { | 
 |   0, 4, 8,  12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, | 
 |   1, 5, 9,  13, 17, 21, 25, 29, 33, 37, 41, 45, 49, 53, 57, 61, | 
 |   2, 6, 10, 14, 18, 22, 26, 30, 34, 38, 42, 46, 50, 54, 58, 62, | 
 |   3, 7, 11, 15, 19, 23, 27, 31, 35, 39, 43, 47, 51, 55, 59, 63, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, mcol_scan_16x4[64]) = { | 
 |   0,  16, 32, 48, 1,  17, 33, 49, 2,  18, 34, 50, 3,  19, 35, 51, | 
 |   4,  20, 36, 52, 5,  21, 37, 53, 6,  22, 38, 54, 7,  23, 39, 55, | 
 |   8,  24, 40, 56, 9,  25, 41, 57, 10, 26, 42, 58, 11, 27, 43, 59, | 
 |   12, 28, 44, 60, 13, 29, 45, 61, 14, 30, 46, 62, 15, 31, 47, 63, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, default_scan_8x32[256]) = { | 
 |   0,   1,   8,   2,   9,   16,  3,   10,  17,  24,  4,   11,  18,  25,  32, | 
 |   5,   12,  19,  26,  33,  40,  6,   13,  20,  27,  34,  41,  48,  7,   14, | 
 |   21,  28,  35,  42,  49,  56,  15,  22,  29,  36,  43,  50,  57,  64,  23, | 
 |   30,  37,  44,  51,  58,  65,  72,  31,  38,  45,  52,  59,  66,  73,  80, | 
 |   39,  46,  53,  60,  67,  74,  81,  88,  47,  54,  61,  68,  75,  82,  89, | 
 |   96,  55,  62,  69,  76,  83,  90,  97,  104, 63,  70,  77,  84,  91,  98, | 
 |   105, 112, 71,  78,  85,  92,  99,  106, 113, 120, 79,  86,  93,  100, 107, | 
 |   114, 121, 128, 87,  94,  101, 108, 115, 122, 129, 136, 95,  102, 109, 116, | 
 |   123, 130, 137, 144, 103, 110, 117, 124, 131, 138, 145, 152, 111, 118, 125, | 
 |   132, 139, 146, 153, 160, 119, 126, 133, 140, 147, 154, 161, 168, 127, 134, | 
 |   141, 148, 155, 162, 169, 176, 135, 142, 149, 156, 163, 170, 177, 184, 143, | 
 |   150, 157, 164, 171, 178, 185, 192, 151, 158, 165, 172, 179, 186, 193, 200, | 
 |   159, 166, 173, 180, 187, 194, 201, 208, 167, 174, 181, 188, 195, 202, 209, | 
 |   216, 175, 182, 189, 196, 203, 210, 217, 224, 183, 190, 197, 204, 211, 218, | 
 |   225, 232, 191, 198, 205, 212, 219, 226, 233, 240, 199, 206, 213, 220, 227, | 
 |   234, 241, 248, 207, 214, 221, 228, 235, 242, 249, 215, 222, 229, 236, 243, | 
 |   250, 223, 230, 237, 244, 251, 231, 238, 245, 252, 239, 246, 253, 247, 254, | 
 |   255, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, default_scan_32x8[256]) = { | 
 |   0,   32,  1,   64,  33,  2,   96,  65,  34,  3,   128, 97,  66,  35,  4, | 
 |   160, 129, 98,  67,  36,  5,   192, 161, 130, 99,  68,  37,  6,   224, 193, | 
 |   162, 131, 100, 69,  38,  7,   225, 194, 163, 132, 101, 70,  39,  8,   226, | 
 |   195, 164, 133, 102, 71,  40,  9,   227, 196, 165, 134, 103, 72,  41,  10, | 
 |   228, 197, 166, 135, 104, 73,  42,  11,  229, 198, 167, 136, 105, 74,  43, | 
 |   12,  230, 199, 168, 137, 106, 75,  44,  13,  231, 200, 169, 138, 107, 76, | 
 |   45,  14,  232, 201, 170, 139, 108, 77,  46,  15,  233, 202, 171, 140, 109, | 
 |   78,  47,  16,  234, 203, 172, 141, 110, 79,  48,  17,  235, 204, 173, 142, | 
 |   111, 80,  49,  18,  236, 205, 174, 143, 112, 81,  50,  19,  237, 206, 175, | 
 |   144, 113, 82,  51,  20,  238, 207, 176, 145, 114, 83,  52,  21,  239, 208, | 
 |   177, 146, 115, 84,  53,  22,  240, 209, 178, 147, 116, 85,  54,  23,  241, | 
 |   210, 179, 148, 117, 86,  55,  24,  242, 211, 180, 149, 118, 87,  56,  25, | 
 |   243, 212, 181, 150, 119, 88,  57,  26,  244, 213, 182, 151, 120, 89,  58, | 
 |   27,  245, 214, 183, 152, 121, 90,  59,  28,  246, 215, 184, 153, 122, 91, | 
 |   60,  29,  247, 216, 185, 154, 123, 92,  61,  30,  248, 217, 186, 155, 124, | 
 |   93,  62,  31,  249, 218, 187, 156, 125, 94,  63,  250, 219, 188, 157, 126, | 
 |   95,  251, 220, 189, 158, 127, 252, 221, 190, 159, 253, 222, 191, 254, 223, | 
 |   255, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, mrow_scan_8x32[256]) = { | 
 |   0,   1,   2,   3,   4,   5,   6,   7,   8,   9,   10,  11,  12,  13,  14, | 
 |   15,  16,  17,  18,  19,  20,  21,  22,  23,  24,  25,  26,  27,  28,  29, | 
 |   30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,  44, | 
 |   45,  46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59, | 
 |   60,  61,  62,  63,  64,  65,  66,  67,  68,  69,  70,  71,  72,  73,  74, | 
 |   75,  76,  77,  78,  79,  80,  81,  82,  83,  84,  85,  86,  87,  88,  89, | 
 |   90,  91,  92,  93,  94,  95,  96,  97,  98,  99,  100, 101, 102, 103, 104, | 
 |   105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, | 
 |   120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, | 
 |   135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, | 
 |   150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, | 
 |   165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, | 
 |   180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, | 
 |   195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, | 
 |   210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, | 
 |   225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, | 
 |   240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, | 
 |   255, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, mrow_scan_32x8[256]) = { | 
 |   0,   1,   2,   3,   4,   5,   6,   7,   8,   9,   10,  11,  12,  13,  14, | 
 |   15,  16,  17,  18,  19,  20,  21,  22,  23,  24,  25,  26,  27,  28,  29, | 
 |   30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,  44, | 
 |   45,  46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59, | 
 |   60,  61,  62,  63,  64,  65,  66,  67,  68,  69,  70,  71,  72,  73,  74, | 
 |   75,  76,  77,  78,  79,  80,  81,  82,  83,  84,  85,  86,  87,  88,  89, | 
 |   90,  91,  92,  93,  94,  95,  96,  97,  98,  99,  100, 101, 102, 103, 104, | 
 |   105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, | 
 |   120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, | 
 |   135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, | 
 |   150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, | 
 |   165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, | 
 |   180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, | 
 |   195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, | 
 |   210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, | 
 |   225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, | 
 |   240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, | 
 |   255, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, mcol_scan_8x32[256]) = { | 
 |   0,   8,   16,  24,  32,  40,  48,  56,  64,  72,  80,  88,  96,  104, 112, | 
 |   120, 128, 136, 144, 152, 160, 168, 176, 184, 192, 200, 208, 216, 224, 232, | 
 |   240, 248, 1,   9,   17,  25,  33,  41,  49,  57,  65,  73,  81,  89,  97, | 
 |   105, 113, 121, 129, 137, 145, 153, 161, 169, 177, 185, 193, 201, 209, 217, | 
 |   225, 233, 241, 249, 2,   10,  18,  26,  34,  42,  50,  58,  66,  74,  82, | 
 |   90,  98,  106, 114, 122, 130, 138, 146, 154, 162, 170, 178, 186, 194, 202, | 
 |   210, 218, 226, 234, 242, 250, 3,   11,  19,  27,  35,  43,  51,  59,  67, | 
 |   75,  83,  91,  99,  107, 115, 123, 131, 139, 147, 155, 163, 171, 179, 187, | 
 |   195, 203, 211, 219, 227, 235, 243, 251, 4,   12,  20,  28,  36,  44,  52, | 
 |   60,  68,  76,  84,  92,  100, 108, 116, 124, 132, 140, 148, 156, 164, 172, | 
 |   180, 188, 196, 204, 212, 220, 228, 236, 244, 252, 5,   13,  21,  29,  37, | 
 |   45,  53,  61,  69,  77,  85,  93,  101, 109, 117, 125, 133, 141, 149, 157, | 
 |   165, 173, 181, 189, 197, 205, 213, 221, 229, 237, 245, 253, 6,   14,  22, | 
 |   30,  38,  46,  54,  62,  70,  78,  86,  94,  102, 110, 118, 126, 134, 142, | 
 |   150, 158, 166, 174, 182, 190, 198, 206, 214, 222, 230, 238, 246, 254, 7, | 
 |   15,  23,  31,  39,  47,  55,  63,  71,  79,  87,  95,  103, 111, 119, 127, | 
 |   135, 143, 151, 159, 167, 175, 183, 191, 199, 207, 215, 223, 231, 239, 247, | 
 |   255, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, mcol_scan_32x8[256]) = { | 
 |   0,  32, 64, 96,  128, 160, 192, 224, 1,  33, 65, 97,  129, 161, 193, 225, | 
 |   2,  34, 66, 98,  130, 162, 194, 226, 3,  35, 67, 99,  131, 163, 195, 227, | 
 |   4,  36, 68, 100, 132, 164, 196, 228, 5,  37, 69, 101, 133, 165, 197, 229, | 
 |   6,  38, 70, 102, 134, 166, 198, 230, 7,  39, 71, 103, 135, 167, 199, 231, | 
 |   8,  40, 72, 104, 136, 168, 200, 232, 9,  41, 73, 105, 137, 169, 201, 233, | 
 |   10, 42, 74, 106, 138, 170, 202, 234, 11, 43, 75, 107, 139, 171, 203, 235, | 
 |   12, 44, 76, 108, 140, 172, 204, 236, 13, 45, 77, 109, 141, 173, 205, 237, | 
 |   14, 46, 78, 110, 142, 174, 206, 238, 15, 47, 79, 111, 143, 175, 207, 239, | 
 |   16, 48, 80, 112, 144, 176, 208, 240, 17, 49, 81, 113, 145, 177, 209, 241, | 
 |   18, 50, 82, 114, 146, 178, 210, 242, 19, 51, 83, 115, 147, 179, 211, 243, | 
 |   20, 52, 84, 116, 148, 180, 212, 244, 21, 53, 85, 117, 149, 181, 213, 245, | 
 |   22, 54, 86, 118, 150, 182, 214, 246, 23, 55, 87, 119, 151, 183, 215, 247, | 
 |   24, 56, 88, 120, 152, 184, 216, 248, 25, 57, 89, 121, 153, 185, 217, 249, | 
 |   26, 58, 90, 122, 154, 186, 218, 250, 27, 59, 91, 123, 155, 187, 219, 251, | 
 |   28, 60, 92, 124, 156, 188, 220, 252, 29, 61, 93, 125, 157, 189, 221, 253, | 
 |   30, 62, 94, 126, 158, 190, 222, 254, 31, 63, 95, 127, 159, 191, 223, 255, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, default_scan_8x8[64]) = { | 
 |   0,  1,  8,  16, 9,  2,  3,  10, 17, 24, 32, 25, 18, 11, 4,  5, | 
 |   12, 19, 26, 33, 40, 48, 41, 34, 27, 20, 13, 6,  7,  14, 21, 28, | 
 |   35, 42, 49, 56, 57, 50, 43, 36, 29, 22, 15, 23, 30, 37, 44, 51, | 
 |   58, 59, 52, 45, 38, 31, 39, 46, 53, 60, 61, 54, 47, 55, 62, 63 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, mcol_scan_8x8[64]) = { | 
 |   0, 8,  16, 24, 32, 40, 48, 56, 1, 9,  17, 25, 33, 41, 49, 57, | 
 |   2, 10, 18, 26, 34, 42, 50, 58, 3, 11, 19, 27, 35, 43, 51, 59, | 
 |   4, 12, 20, 28, 36, 44, 52, 60, 5, 13, 21, 29, 37, 45, 53, 61, | 
 |   6, 14, 22, 30, 38, 46, 54, 62, 7, 15, 23, 31, 39, 47, 55, 63, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, mrow_scan_8x8[64]) = { | 
 |   0,  1,  2,  3,  4,  5,  6,  7,  8,  9,  10, 11, 12, 13, 14, 15, | 
 |   16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, | 
 |   32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, | 
 |   48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, default_scan_8x16[128]) = { | 
 |   0,   1,   8,   2,   9,   16,  3,   10,  17,  24,  4,   11,  18,  25,  32, | 
 |   5,   12,  19,  26,  33,  40,  6,   13,  20,  27,  34,  41,  48,  7,   14, | 
 |   21,  28,  35,  42,  49,  56,  15,  22,  29,  36,  43,  50,  57,  64,  23, | 
 |   30,  37,  44,  51,  58,  65,  72,  31,  38,  45,  52,  59,  66,  73,  80, | 
 |   39,  46,  53,  60,  67,  74,  81,  88,  47,  54,  61,  68,  75,  82,  89, | 
 |   96,  55,  62,  69,  76,  83,  90,  97,  104, 63,  70,  77,  84,  91,  98, | 
 |   105, 112, 71,  78,  85,  92,  99,  106, 113, 120, 79,  86,  93,  100, 107, | 
 |   114, 121, 87,  94,  101, 108, 115, 122, 95,  102, 109, 116, 123, 103, 110, | 
 |   117, 124, 111, 118, 125, 119, 126, 127, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, default_scan_16x8[128]) = { | 
 |   0,  16,  1,   32, 17,  2,   48,  33,  18, 3,  64,  49,  34,  19,  4,   80, | 
 |   65, 50,  35,  20, 5,   96,  81,  66,  51, 36, 21,  6,   112, 97,  82,  67, | 
 |   52, 37,  22,  7,  113, 98,  83,  68,  53, 38, 23,  8,   114, 99,  84,  69, | 
 |   54, 39,  24,  9,  115, 100, 85,  70,  55, 40, 25,  10,  116, 101, 86,  71, | 
 |   56, 41,  26,  11, 117, 102, 87,  72,  57, 42, 27,  12,  118, 103, 88,  73, | 
 |   58, 43,  28,  13, 119, 104, 89,  74,  59, 44, 29,  14,  120, 105, 90,  75, | 
 |   60, 45,  30,  15, 121, 106, 91,  76,  61, 46, 31,  122, 107, 92,  77,  62, | 
 |   47, 123, 108, 93, 78,  63,  124, 109, 94, 79, 125, 110, 95,  126, 111, 127, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, mcol_scan_8x16[128]) = { | 
 |   0, 8,  16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 96,  104, 112, 120, | 
 |   1, 9,  17, 25, 33, 41, 49, 57, 65, 73, 81, 89, 97,  105, 113, 121, | 
 |   2, 10, 18, 26, 34, 42, 50, 58, 66, 74, 82, 90, 98,  106, 114, 122, | 
 |   3, 11, 19, 27, 35, 43, 51, 59, 67, 75, 83, 91, 99,  107, 115, 123, | 
 |   4, 12, 20, 28, 36, 44, 52, 60, 68, 76, 84, 92, 100, 108, 116, 124, | 
 |   5, 13, 21, 29, 37, 45, 53, 61, 69, 77, 85, 93, 101, 109, 117, 125, | 
 |   6, 14, 22, 30, 38, 46, 54, 62, 70, 78, 86, 94, 102, 110, 118, 126, | 
 |   7, 15, 23, 31, 39, 47, 55, 63, 71, 79, 87, 95, 103, 111, 119, 127, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, mcol_scan_16x8[128]) = { | 
 |   0,  16, 32, 48, 64, 80, 96,  112, 1,  17, 33, 49, 65, 81, 97,  113, | 
 |   2,  18, 34, 50, 66, 82, 98,  114, 3,  19, 35, 51, 67, 83, 99,  115, | 
 |   4,  20, 36, 52, 68, 84, 100, 116, 5,  21, 37, 53, 69, 85, 101, 117, | 
 |   6,  22, 38, 54, 70, 86, 102, 118, 7,  23, 39, 55, 71, 87, 103, 119, | 
 |   8,  24, 40, 56, 72, 88, 104, 120, 9,  25, 41, 57, 73, 89, 105, 121, | 
 |   10, 26, 42, 58, 74, 90, 106, 122, 11, 27, 43, 59, 75, 91, 107, 123, | 
 |   12, 28, 44, 60, 76, 92, 108, 124, 13, 29, 45, 61, 77, 93, 109, 125, | 
 |   14, 30, 46, 62, 78, 94, 110, 126, 15, 31, 47, 63, 79, 95, 111, 127, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, mrow_scan_8x16[128]) = { | 
 |   0,   1,   2,   3,   4,   5,   6,   7,   8,   9,   10,  11,  12,  13,  14, | 
 |   15,  16,  17,  18,  19,  20,  21,  22,  23,  24,  25,  26,  27,  28,  29, | 
 |   30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,  44, | 
 |   45,  46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59, | 
 |   60,  61,  62,  63,  64,  65,  66,  67,  68,  69,  70,  71,  72,  73,  74, | 
 |   75,  76,  77,  78,  79,  80,  81,  82,  83,  84,  85,  86,  87,  88,  89, | 
 |   90,  91,  92,  93,  94,  95,  96,  97,  98,  99,  100, 101, 102, 103, 104, | 
 |   105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, | 
 |   120, 121, 122, 123, 124, 125, 126, 127, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, mrow_scan_16x8[128]) = { | 
 |   0,   1,   2,   3,   4,   5,   6,   7,   8,   9,   10,  11,  12,  13,  14, | 
 |   15,  16,  17,  18,  19,  20,  21,  22,  23,  24,  25,  26,  27,  28,  29, | 
 |   30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,  44, | 
 |   45,  46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59, | 
 |   60,  61,  62,  63,  64,  65,  66,  67,  68,  69,  70,  71,  72,  73,  74, | 
 |   75,  76,  77,  78,  79,  80,  81,  82,  83,  84,  85,  86,  87,  88,  89, | 
 |   90,  91,  92,  93,  94,  95,  96,  97,  98,  99,  100, 101, 102, 103, 104, | 
 |   105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, | 
 |   120, 121, 122, 123, 124, 125, 126, 127, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, default_scan_16x32[512]) = { | 
 |   0,   1,   16,  2,   17,  32,  3,   18,  33,  48,  4,   19,  34,  49,  64, | 
 |   5,   20,  35,  50,  65,  80,  6,   21,  36,  51,  66,  81,  96,  7,   22, | 
 |   37,  52,  67,  82,  97,  112, 8,   23,  38,  53,  68,  83,  98,  113, 128, | 
 |   9,   24,  39,  54,  69,  84,  99,  114, 129, 144, 10,  25,  40,  55,  70, | 
 |   85,  100, 115, 130, 145, 160, 11,  26,  41,  56,  71,  86,  101, 116, 131, | 
 |   146, 161, 176, 12,  27,  42,  57,  72,  87,  102, 117, 132, 147, 162, 177, | 
 |   192, 13,  28,  43,  58,  73,  88,  103, 118, 133, 148, 163, 178, 193, 208, | 
 |   14,  29,  44,  59,  74,  89,  104, 119, 134, 149, 164, 179, 194, 209, 224, | 
 |   15,  30,  45,  60,  75,  90,  105, 120, 135, 150, 165, 180, 195, 210, 225, | 
 |   240, 31,  46,  61,  76,  91,  106, 121, 136, 151, 166, 181, 196, 211, 226, | 
 |   241, 256, 47,  62,  77,  92,  107, 122, 137, 152, 167, 182, 197, 212, 227, | 
 |   242, 257, 272, 63,  78,  93,  108, 123, 138, 153, 168, 183, 198, 213, 228, | 
 |   243, 258, 273, 288, 79,  94,  109, 124, 139, 154, 169, 184, 199, 214, 229, | 
 |   244, 259, 274, 289, 304, 95,  110, 125, 140, 155, 170, 185, 200, 215, 230, | 
 |   245, 260, 275, 290, 305, 320, 111, 126, 141, 156, 171, 186, 201, 216, 231, | 
 |   246, 261, 276, 291, 306, 321, 336, 127, 142, 157, 172, 187, 202, 217, 232, | 
 |   247, 262, 277, 292, 307, 322, 337, 352, 143, 158, 173, 188, 203, 218, 233, | 
 |   248, 263, 278, 293, 308, 323, 338, 353, 368, 159, 174, 189, 204, 219, 234, | 
 |   249, 264, 279, 294, 309, 324, 339, 354, 369, 384, 175, 190, 205, 220, 235, | 
 |   250, 265, 280, 295, 310, 325, 340, 355, 370, 385, 400, 191, 206, 221, 236, | 
 |   251, 266, 281, 296, 311, 326, 341, 356, 371, 386, 401, 416, 207, 222, 237, | 
 |   252, 267, 282, 297, 312, 327, 342, 357, 372, 387, 402, 417, 432, 223, 238, | 
 |   253, 268, 283, 298, 313, 328, 343, 358, 373, 388, 403, 418, 433, 448, 239, | 
 |   254, 269, 284, 299, 314, 329, 344, 359, 374, 389, 404, 419, 434, 449, 464, | 
 |   255, 270, 285, 300, 315, 330, 345, 360, 375, 390, 405, 420, 435, 450, 465, | 
 |   480, 271, 286, 301, 316, 331, 346, 361, 376, 391, 406, 421, 436, 451, 466, | 
 |   481, 496, 287, 302, 317, 332, 347, 362, 377, 392, 407, 422, 437, 452, 467, | 
 |   482, 497, 303, 318, 333, 348, 363, 378, 393, 408, 423, 438, 453, 468, 483, | 
 |   498, 319, 334, 349, 364, 379, 394, 409, 424, 439, 454, 469, 484, 499, 335, | 
 |   350, 365, 380, 395, 410, 425, 440, 455, 470, 485, 500, 351, 366, 381, 396, | 
 |   411, 426, 441, 456, 471, 486, 501, 367, 382, 397, 412, 427, 442, 457, 472, | 
 |   487, 502, 383, 398, 413, 428, 443, 458, 473, 488, 503, 399, 414, 429, 444, | 
 |   459, 474, 489, 504, 415, 430, 445, 460, 475, 490, 505, 431, 446, 461, 476, | 
 |   491, 506, 447, 462, 477, 492, 507, 463, 478, 493, 508, 479, 494, 509, 495, | 
 |   510, 511, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, default_scan_32x16[512]) = { | 
 |   0,   32,  1,   64,  33,  2,   96,  65,  34,  3,   128, 97,  66,  35,  4, | 
 |   160, 129, 98,  67,  36,  5,   192, 161, 130, 99,  68,  37,  6,   224, 193, | 
 |   162, 131, 100, 69,  38,  7,   256, 225, 194, 163, 132, 101, 70,  39,  8, | 
 |   288, 257, 226, 195, 164, 133, 102, 71,  40,  9,   320, 289, 258, 227, 196, | 
 |   165, 134, 103, 72,  41,  10,  352, 321, 290, 259, 228, 197, 166, 135, 104, | 
 |   73,  42,  11,  384, 353, 322, 291, 260, 229, 198, 167, 136, 105, 74,  43, | 
 |   12,  416, 385, 354, 323, 292, 261, 230, 199, 168, 137, 106, 75,  44,  13, | 
 |   448, 417, 386, 355, 324, 293, 262, 231, 200, 169, 138, 107, 76,  45,  14, | 
 |   480, 449, 418, 387, 356, 325, 294, 263, 232, 201, 170, 139, 108, 77,  46, | 
 |   15,  481, 450, 419, 388, 357, 326, 295, 264, 233, 202, 171, 140, 109, 78, | 
 |   47,  16,  482, 451, 420, 389, 358, 327, 296, 265, 234, 203, 172, 141, 110, | 
 |   79,  48,  17,  483, 452, 421, 390, 359, 328, 297, 266, 235, 204, 173, 142, | 
 |   111, 80,  49,  18,  484, 453, 422, 391, 360, 329, 298, 267, 236, 205, 174, | 
 |   143, 112, 81,  50,  19,  485, 454, 423, 392, 361, 330, 299, 268, 237, 206, | 
 |   175, 144, 113, 82,  51,  20,  486, 455, 424, 393, 362, 331, 300, 269, 238, | 
 |   207, 176, 145, 114, 83,  52,  21,  487, 456, 425, 394, 363, 332, 301, 270, | 
 |   239, 208, 177, 146, 115, 84,  53,  22,  488, 457, 426, 395, 364, 333, 302, | 
 |   271, 240, 209, 178, 147, 116, 85,  54,  23,  489, 458, 427, 396, 365, 334, | 
 |   303, 272, 241, 210, 179, 148, 117, 86,  55,  24,  490, 459, 428, 397, 366, | 
 |   335, 304, 273, 242, 211, 180, 149, 118, 87,  56,  25,  491, 460, 429, 398, | 
 |   367, 336, 305, 274, 243, 212, 181, 150, 119, 88,  57,  26,  492, 461, 430, | 
 |   399, 368, 337, 306, 275, 244, 213, 182, 151, 120, 89,  58,  27,  493, 462, | 
 |   431, 400, 369, 338, 307, 276, 245, 214, 183, 152, 121, 90,  59,  28,  494, | 
 |   463, 432, 401, 370, 339, 308, 277, 246, 215, 184, 153, 122, 91,  60,  29, | 
 |   495, 464, 433, 402, 371, 340, 309, 278, 247, 216, 185, 154, 123, 92,  61, | 
 |   30,  496, 465, 434, 403, 372, 341, 310, 279, 248, 217, 186, 155, 124, 93, | 
 |   62,  31,  497, 466, 435, 404, 373, 342, 311, 280, 249, 218, 187, 156, 125, | 
 |   94,  63,  498, 467, 436, 405, 374, 343, 312, 281, 250, 219, 188, 157, 126, | 
 |   95,  499, 468, 437, 406, 375, 344, 313, 282, 251, 220, 189, 158, 127, 500, | 
 |   469, 438, 407, 376, 345, 314, 283, 252, 221, 190, 159, 501, 470, 439, 408, | 
 |   377, 346, 315, 284, 253, 222, 191, 502, 471, 440, 409, 378, 347, 316, 285, | 
 |   254, 223, 503, 472, 441, 410, 379, 348, 317, 286, 255, 504, 473, 442, 411, | 
 |   380, 349, 318, 287, 505, 474, 443, 412, 381, 350, 319, 506, 475, 444, 413, | 
 |   382, 351, 507, 476, 445, 414, 383, 508, 477, 446, 415, 509, 478, 447, 510, | 
 |   479, 511, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, mcol_scan_16x32[512]) = { | 
 |   0,   16,  32,  48,  64,  80,  96,  112, 128, 144, 160, 176, 192, 208, 224, | 
 |   240, 256, 272, 288, 304, 320, 336, 352, 368, 384, 400, 416, 432, 448, 464, | 
 |   480, 496, 1,   17,  33,  49,  65,  81,  97,  113, 129, 145, 161, 177, 193, | 
 |   209, 225, 241, 257, 273, 289, 305, 321, 337, 353, 369, 385, 401, 417, 433, | 
 |   449, 465, 481, 497, 2,   18,  34,  50,  66,  82,  98,  114, 130, 146, 162, | 
 |   178, 194, 210, 226, 242, 258, 274, 290, 306, 322, 338, 354, 370, 386, 402, | 
 |   418, 434, 450, 466, 482, 498, 3,   19,  35,  51,  67,  83,  99,  115, 131, | 
 |   147, 163, 179, 195, 211, 227, 243, 259, 275, 291, 307, 323, 339, 355, 371, | 
 |   387, 403, 419, 435, 451, 467, 483, 499, 4,   20,  36,  52,  68,  84,  100, | 
 |   116, 132, 148, 164, 180, 196, 212, 228, 244, 260, 276, 292, 308, 324, 340, | 
 |   356, 372, 388, 404, 420, 436, 452, 468, 484, 500, 5,   21,  37,  53,  69, | 
 |   85,  101, 117, 133, 149, 165, 181, 197, 213, 229, 245, 261, 277, 293, 309, | 
 |   325, 341, 357, 373, 389, 405, 421, 437, 453, 469, 485, 501, 6,   22,  38, | 
 |   54,  70,  86,  102, 118, 134, 150, 166, 182, 198, 214, 230, 246, 262, 278, | 
 |   294, 310, 326, 342, 358, 374, 390, 406, 422, 438, 454, 470, 486, 502, 7, | 
 |   23,  39,  55,  71,  87,  103, 119, 135, 151, 167, 183, 199, 215, 231, 247, | 
 |   263, 279, 295, 311, 327, 343, 359, 375, 391, 407, 423, 439, 455, 471, 487, | 
 |   503, 8,   24,  40,  56,  72,  88,  104, 120, 136, 152, 168, 184, 200, 216, | 
 |   232, 248, 264, 280, 296, 312, 328, 344, 360, 376, 392, 408, 424, 440, 456, | 
 |   472, 488, 504, 9,   25,  41,  57,  73,  89,  105, 121, 137, 153, 169, 185, | 
 |   201, 217, 233, 249, 265, 281, 297, 313, 329, 345, 361, 377, 393, 409, 425, | 
 |   441, 457, 473, 489, 505, 10,  26,  42,  58,  74,  90,  106, 122, 138, 154, | 
 |   170, 186, 202, 218, 234, 250, 266, 282, 298, 314, 330, 346, 362, 378, 394, | 
 |   410, 426, 442, 458, 474, 490, 506, 11,  27,  43,  59,  75,  91,  107, 123, | 
 |   139, 155, 171, 187, 203, 219, 235, 251, 267, 283, 299, 315, 331, 347, 363, | 
 |   379, 395, 411, 427, 443, 459, 475, 491, 507, 12,  28,  44,  60,  76,  92, | 
 |   108, 124, 140, 156, 172, 188, 204, 220, 236, 252, 268, 284, 300, 316, 332, | 
 |   348, 364, 380, 396, 412, 428, 444, 460, 476, 492, 508, 13,  29,  45,  61, | 
 |   77,  93,  109, 125, 141, 157, 173, 189, 205, 221, 237, 253, 269, 285, 301, | 
 |   317, 333, 349, 365, 381, 397, 413, 429, 445, 461, 477, 493, 509, 14,  30, | 
 |   46,  62,  78,  94,  110, 126, 142, 158, 174, 190, 206, 222, 238, 254, 270, | 
 |   286, 302, 318, 334, 350, 366, 382, 398, 414, 430, 446, 462, 478, 494, 510, | 
 |   15,  31,  47,  63,  79,  95,  111, 127, 143, 159, 175, 191, 207, 223, 239, | 
 |   255, 271, 287, 303, 319, 335, 351, 367, 383, 399, 415, 431, 447, 463, 479, | 
 |   495, 511, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, mcol_scan_32x16[512]) = { | 
 |   0,  32, 64, 96,  128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448, 480, | 
 |   1,  33, 65, 97,  129, 161, 193, 225, 257, 289, 321, 353, 385, 417, 449, 481, | 
 |   2,  34, 66, 98,  130, 162, 194, 226, 258, 290, 322, 354, 386, 418, 450, 482, | 
 |   3,  35, 67, 99,  131, 163, 195, 227, 259, 291, 323, 355, 387, 419, 451, 483, | 
 |   4,  36, 68, 100, 132, 164, 196, 228, 260, 292, 324, 356, 388, 420, 452, 484, | 
 |   5,  37, 69, 101, 133, 165, 197, 229, 261, 293, 325, 357, 389, 421, 453, 485, | 
 |   6,  38, 70, 102, 134, 166, 198, 230, 262, 294, 326, 358, 390, 422, 454, 486, | 
 |   7,  39, 71, 103, 135, 167, 199, 231, 263, 295, 327, 359, 391, 423, 455, 487, | 
 |   8,  40, 72, 104, 136, 168, 200, 232, 264, 296, 328, 360, 392, 424, 456, 488, | 
 |   9,  41, 73, 105, 137, 169, 201, 233, 265, 297, 329, 361, 393, 425, 457, 489, | 
 |   10, 42, 74, 106, 138, 170, 202, 234, 266, 298, 330, 362, 394, 426, 458, 490, | 
 |   11, 43, 75, 107, 139, 171, 203, 235, 267, 299, 331, 363, 395, 427, 459, 491, | 
 |   12, 44, 76, 108, 140, 172, 204, 236, 268, 300, 332, 364, 396, 428, 460, 492, | 
 |   13, 45, 77, 109, 141, 173, 205, 237, 269, 301, 333, 365, 397, 429, 461, 493, | 
 |   14, 46, 78, 110, 142, 174, 206, 238, 270, 302, 334, 366, 398, 430, 462, 494, | 
 |   15, 47, 79, 111, 143, 175, 207, 239, 271, 303, 335, 367, 399, 431, 463, 495, | 
 |   16, 48, 80, 112, 144, 176, 208, 240, 272, 304, 336, 368, 400, 432, 464, 496, | 
 |   17, 49, 81, 113, 145, 177, 209, 241, 273, 305, 337, 369, 401, 433, 465, 497, | 
 |   18, 50, 82, 114, 146, 178, 210, 242, 274, 306, 338, 370, 402, 434, 466, 498, | 
 |   19, 51, 83, 115, 147, 179, 211, 243, 275, 307, 339, 371, 403, 435, 467, 499, | 
 |   20, 52, 84, 116, 148, 180, 212, 244, 276, 308, 340, 372, 404, 436, 468, 500, | 
 |   21, 53, 85, 117, 149, 181, 213, 245, 277, 309, 341, 373, 405, 437, 469, 501, | 
 |   22, 54, 86, 118, 150, 182, 214, 246, 278, 310, 342, 374, 406, 438, 470, 502, | 
 |   23, 55, 87, 119, 151, 183, 215, 247, 279, 311, 343, 375, 407, 439, 471, 503, | 
 |   24, 56, 88, 120, 152, 184, 216, 248, 280, 312, 344, 376, 408, 440, 472, 504, | 
 |   25, 57, 89, 121, 153, 185, 217, 249, 281, 313, 345, 377, 409, 441, 473, 505, | 
 |   26, 58, 90, 122, 154, 186, 218, 250, 282, 314, 346, 378, 410, 442, 474, 506, | 
 |   27, 59, 91, 123, 155, 187, 219, 251, 283, 315, 347, 379, 411, 443, 475, 507, | 
 |   28, 60, 92, 124, 156, 188, 220, 252, 284, 316, 348, 380, 412, 444, 476, 508, | 
 |   29, 61, 93, 125, 157, 189, 221, 253, 285, 317, 349, 381, 413, 445, 477, 509, | 
 |   30, 62, 94, 126, 158, 190, 222, 254, 286, 318, 350, 382, 414, 446, 478, 510, | 
 |   31, 63, 95, 127, 159, 191, 223, 255, 287, 319, 351, 383, 415, 447, 479, 511, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, mrow_scan_16x32[512]) = { | 
 |   0,   1,   2,   3,   4,   5,   6,   7,   8,   9,   10,  11,  12,  13,  14, | 
 |   15,  16,  17,  18,  19,  20,  21,  22,  23,  24,  25,  26,  27,  28,  29, | 
 |   30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,  44, | 
 |   45,  46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59, | 
 |   60,  61,  62,  63,  64,  65,  66,  67,  68,  69,  70,  71,  72,  73,  74, | 
 |   75,  76,  77,  78,  79,  80,  81,  82,  83,  84,  85,  86,  87,  88,  89, | 
 |   90,  91,  92,  93,  94,  95,  96,  97,  98,  99,  100, 101, 102, 103, 104, | 
 |   105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, | 
 |   120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, | 
 |   135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, | 
 |   150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, | 
 |   165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, | 
 |   180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, | 
 |   195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, | 
 |   210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, | 
 |   225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, | 
 |   240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, | 
 |   255, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, | 
 |   270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, | 
 |   285, 286, 287, 288, 289, 290, 291, 292, 293, 294, 295, 296, 297, 298, 299, | 
 |   300, 301, 302, 303, 304, 305, 306, 307, 308, 309, 310, 311, 312, 313, 314, | 
 |   315, 316, 317, 318, 319, 320, 321, 322, 323, 324, 325, 326, 327, 328, 329, | 
 |   330, 331, 332, 333, 334, 335, 336, 337, 338, 339, 340, 341, 342, 343, 344, | 
 |   345, 346, 347, 348, 349, 350, 351, 352, 353, 354, 355, 356, 357, 358, 359, | 
 |   360, 361, 362, 363, 364, 365, 366, 367, 368, 369, 370, 371, 372, 373, 374, | 
 |   375, 376, 377, 378, 379, 380, 381, 382, 383, 384, 385, 386, 387, 388, 389, | 
 |   390, 391, 392, 393, 394, 395, 396, 397, 398, 399, 400, 401, 402, 403, 404, | 
 |   405, 406, 407, 408, 409, 410, 411, 412, 413, 414, 415, 416, 417, 418, 419, | 
 |   420, 421, 422, 423, 424, 425, 426, 427, 428, 429, 430, 431, 432, 433, 434, | 
 |   435, 436, 437, 438, 439, 440, 441, 442, 443, 444, 445, 446, 447, 448, 449, | 
 |   450, 451, 452, 453, 454, 455, 456, 457, 458, 459, 460, 461, 462, 463, 464, | 
 |   465, 466, 467, 468, 469, 470, 471, 472, 473, 474, 475, 476, 477, 478, 479, | 
 |   480, 481, 482, 483, 484, 485, 486, 487, 488, 489, 490, 491, 492, 493, 494, | 
 |   495, 496, 497, 498, 499, 500, 501, 502, 503, 504, 505, 506, 507, 508, 509, | 
 |   510, 511, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, mrow_scan_32x16[512]) = { | 
 |   0,   1,   2,   3,   4,   5,   6,   7,   8,   9,   10,  11,  12,  13,  14, | 
 |   15,  16,  17,  18,  19,  20,  21,  22,  23,  24,  25,  26,  27,  28,  29, | 
 |   30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,  44, | 
 |   45,  46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59, | 
 |   60,  61,  62,  63,  64,  65,  66,  67,  68,  69,  70,  71,  72,  73,  74, | 
 |   75,  76,  77,  78,  79,  80,  81,  82,  83,  84,  85,  86,  87,  88,  89, | 
 |   90,  91,  92,  93,  94,  95,  96,  97,  98,  99,  100, 101, 102, 103, 104, | 
 |   105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, | 
 |   120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, | 
 |   135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, | 
 |   150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, | 
 |   165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, | 
 |   180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, | 
 |   195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, | 
 |   210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, | 
 |   225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, | 
 |   240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, | 
 |   255, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, | 
 |   270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, | 
 |   285, 286, 287, 288, 289, 290, 291, 292, 293, 294, 295, 296, 297, 298, 299, | 
 |   300, 301, 302, 303, 304, 305, 306, 307, 308, 309, 310, 311, 312, 313, 314, | 
 |   315, 316, 317, 318, 319, 320, 321, 322, 323, 324, 325, 326, 327, 328, 329, | 
 |   330, 331, 332, 333, 334, 335, 336, 337, 338, 339, 340, 341, 342, 343, 344, | 
 |   345, 346, 347, 348, 349, 350, 351, 352, 353, 354, 355, 356, 357, 358, 359, | 
 |   360, 361, 362, 363, 364, 365, 366, 367, 368, 369, 370, 371, 372, 373, 374, | 
 |   375, 376, 377, 378, 379, 380, 381, 382, 383, 384, 385, 386, 387, 388, 389, | 
 |   390, 391, 392, 393, 394, 395, 396, 397, 398, 399, 400, 401, 402, 403, 404, | 
 |   405, 406, 407, 408, 409, 410, 411, 412, 413, 414, 415, 416, 417, 418, 419, | 
 |   420, 421, 422, 423, 424, 425, 426, 427, 428, 429, 430, 431, 432, 433, 434, | 
 |   435, 436, 437, 438, 439, 440, 441, 442, 443, 444, 445, 446, 447, 448, 449, | 
 |   450, 451, 452, 453, 454, 455, 456, 457, 458, 459, 460, 461, 462, 463, 464, | 
 |   465, 466, 467, 468, 469, 470, 471, 472, 473, 474, 475, 476, 477, 478, 479, | 
 |   480, 481, 482, 483, 484, 485, 486, 487, 488, 489, 490, 491, 492, 493, 494, | 
 |   495, 496, 497, 498, 499, 500, 501, 502, 503, 504, 505, 506, 507, 508, 509, | 
 |   510, 511, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, default_scan_16x16[256]) = { | 
 |   0,   1,   16,  32,  17,  2,   3,   18,  33,  48,  64,  49,  34,  19,  4, | 
 |   5,   20,  35,  50,  65,  80,  96,  81,  66,  51,  36,  21,  6,   7,   22, | 
 |   37,  52,  67,  82,  97,  112, 128, 113, 98,  83,  68,  53,  38,  23,  8, | 
 |   9,   24,  39,  54,  69,  84,  99,  114, 129, 144, 160, 145, 130, 115, 100, | 
 |   85,  70,  55,  40,  25,  10,  11,  26,  41,  56,  71,  86,  101, 116, 131, | 
 |   146, 161, 176, 192, 177, 162, 147, 132, 117, 102, 87,  72,  57,  42,  27, | 
 |   12,  13,  28,  43,  58,  73,  88,  103, 118, 133, 148, 163, 178, 193, 208, | 
 |   224, 209, 194, 179, 164, 149, 134, 119, 104, 89,  74,  59,  44,  29,  14, | 
 |   15,  30,  45,  60,  75,  90,  105, 120, 135, 150, 165, 180, 195, 210, 225, | 
 |   240, 241, 226, 211, 196, 181, 166, 151, 136, 121, 106, 91,  76,  61,  46, | 
 |   31,  47,  62,  77,  92,  107, 122, 137, 152, 167, 182, 197, 212, 227, 242, | 
 |   243, 228, 213, 198, 183, 168, 153, 138, 123, 108, 93,  78,  63,  79,  94, | 
 |   109, 124, 139, 154, 169, 184, 199, 214, 229, 244, 245, 230, 215, 200, 185, | 
 |   170, 155, 140, 125, 110, 95,  111, 126, 141, 156, 171, 186, 201, 216, 231, | 
 |   246, 247, 232, 217, 202, 187, 172, 157, 142, 127, 143, 158, 173, 188, 203, | 
 |   218, 233, 248, 249, 234, 219, 204, 189, 174, 159, 175, 190, 205, 220, 235, | 
 |   250, 251, 236, 221, 206, 191, 207, 222, 237, 252, 253, 238, 223, 239, 254, | 
 |   255 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, mcol_scan_16x16[256]) = { | 
 |   0,  16, 32, 48, 64, 80, 96,  112, 128, 144, 160, 176, 192, 208, 224, 240, | 
 |   1,  17, 33, 49, 65, 81, 97,  113, 129, 145, 161, 177, 193, 209, 225, 241, | 
 |   2,  18, 34, 50, 66, 82, 98,  114, 130, 146, 162, 178, 194, 210, 226, 242, | 
 |   3,  19, 35, 51, 67, 83, 99,  115, 131, 147, 163, 179, 195, 211, 227, 243, | 
 |   4,  20, 36, 52, 68, 84, 100, 116, 132, 148, 164, 180, 196, 212, 228, 244, | 
 |   5,  21, 37, 53, 69, 85, 101, 117, 133, 149, 165, 181, 197, 213, 229, 245, | 
 |   6,  22, 38, 54, 70, 86, 102, 118, 134, 150, 166, 182, 198, 214, 230, 246, | 
 |   7,  23, 39, 55, 71, 87, 103, 119, 135, 151, 167, 183, 199, 215, 231, 247, | 
 |   8,  24, 40, 56, 72, 88, 104, 120, 136, 152, 168, 184, 200, 216, 232, 248, | 
 |   9,  25, 41, 57, 73, 89, 105, 121, 137, 153, 169, 185, 201, 217, 233, 249, | 
 |   10, 26, 42, 58, 74, 90, 106, 122, 138, 154, 170, 186, 202, 218, 234, 250, | 
 |   11, 27, 43, 59, 75, 91, 107, 123, 139, 155, 171, 187, 203, 219, 235, 251, | 
 |   12, 28, 44, 60, 76, 92, 108, 124, 140, 156, 172, 188, 204, 220, 236, 252, | 
 |   13, 29, 45, 61, 77, 93, 109, 125, 141, 157, 173, 189, 205, 221, 237, 253, | 
 |   14, 30, 46, 62, 78, 94, 110, 126, 142, 158, 174, 190, 206, 222, 238, 254, | 
 |   15, 31, 47, 63, 79, 95, 111, 127, 143, 159, 175, 191, 207, 223, 239, 255, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, mrow_scan_16x16[256]) = { | 
 |   0,   1,   2,   3,   4,   5,   6,   7,   8,   9,   10,  11,  12,  13,  14, | 
 |   15,  16,  17,  18,  19,  20,  21,  22,  23,  24,  25,  26,  27,  28,  29, | 
 |   30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,  44, | 
 |   45,  46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59, | 
 |   60,  61,  62,  63,  64,  65,  66,  67,  68,  69,  70,  71,  72,  73,  74, | 
 |   75,  76,  77,  78,  79,  80,  81,  82,  83,  84,  85,  86,  87,  88,  89, | 
 |   90,  91,  92,  93,  94,  95,  96,  97,  98,  99,  100, 101, 102, 103, 104, | 
 |   105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, | 
 |   120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, | 
 |   135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, | 
 |   150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, | 
 |   165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, | 
 |   180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, | 
 |   195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, | 
 |   210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, | 
 |   225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, | 
 |   240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, | 
 |   255, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, mcol_scan_32x32[1024]) = { | 
 |   0,   32,   64,  96,   128, 160,  192, 224,  256, 288,  320, 352,  384, 416, | 
 |   448, 480,  512, 544,  576, 608,  640, 672,  704, 736,  768, 800,  832, 864, | 
 |   896, 928,  960, 992,  1,   33,   65,  97,   129, 161,  193, 225,  257, 289, | 
 |   321, 353,  385, 417,  449, 481,  513, 545,  577, 609,  641, 673,  705, 737, | 
 |   769, 801,  833, 865,  897, 929,  961, 993,  2,   34,   66,  98,   130, 162, | 
 |   194, 226,  258, 290,  322, 354,  386, 418,  450, 482,  514, 546,  578, 610, | 
 |   642, 674,  706, 738,  770, 802,  834, 866,  898, 930,  962, 994,  3,   35, | 
 |   67,  99,   131, 163,  195, 227,  259, 291,  323, 355,  387, 419,  451, 483, | 
 |   515, 547,  579, 611,  643, 675,  707, 739,  771, 803,  835, 867,  899, 931, | 
 |   963, 995,  4,   36,   68,  100,  132, 164,  196, 228,  260, 292,  324, 356, | 
 |   388, 420,  452, 484,  516, 548,  580, 612,  644, 676,  708, 740,  772, 804, | 
 |   836, 868,  900, 932,  964, 996,  5,   37,   69,  101,  133, 165,  197, 229, | 
 |   261, 293,  325, 357,  389, 421,  453, 485,  517, 549,  581, 613,  645, 677, | 
 |   709, 741,  773, 805,  837, 869,  901, 933,  965, 997,  6,   38,   70,  102, | 
 |   134, 166,  198, 230,  262, 294,  326, 358,  390, 422,  454, 486,  518, 550, | 
 |   582, 614,  646, 678,  710, 742,  774, 806,  838, 870,  902, 934,  966, 998, | 
 |   7,   39,   71,  103,  135, 167,  199, 231,  263, 295,  327, 359,  391, 423, | 
 |   455, 487,  519, 551,  583, 615,  647, 679,  711, 743,  775, 807,  839, 871, | 
 |   903, 935,  967, 999,  8,   40,   72,  104,  136, 168,  200, 232,  264, 296, | 
 |   328, 360,  392, 424,  456, 488,  520, 552,  584, 616,  648, 680,  712, 744, | 
 |   776, 808,  840, 872,  904, 936,  968, 1000, 9,   41,   73,  105,  137, 169, | 
 |   201, 233,  265, 297,  329, 361,  393, 425,  457, 489,  521, 553,  585, 617, | 
 |   649, 681,  713, 745,  777, 809,  841, 873,  905, 937,  969, 1001, 10,  42, | 
 |   74,  106,  138, 170,  202, 234,  266, 298,  330, 362,  394, 426,  458, 490, | 
 |   522, 554,  586, 618,  650, 682,  714, 746,  778, 810,  842, 874,  906, 938, | 
 |   970, 1002, 11,  43,   75,  107,  139, 171,  203, 235,  267, 299,  331, 363, | 
 |   395, 427,  459, 491,  523, 555,  587, 619,  651, 683,  715, 747,  779, 811, | 
 |   843, 875,  907, 939,  971, 1003, 12,  44,   76,  108,  140, 172,  204, 236, | 
 |   268, 300,  332, 364,  396, 428,  460, 492,  524, 556,  588, 620,  652, 684, | 
 |   716, 748,  780, 812,  844, 876,  908, 940,  972, 1004, 13,  45,   77,  109, | 
 |   141, 173,  205, 237,  269, 301,  333, 365,  397, 429,  461, 493,  525, 557, | 
 |   589, 621,  653, 685,  717, 749,  781, 813,  845, 877,  909, 941,  973, 1005, | 
 |   14,  46,   78,  110,  142, 174,  206, 238,  270, 302,  334, 366,  398, 430, | 
 |   462, 494,  526, 558,  590, 622,  654, 686,  718, 750,  782, 814,  846, 878, | 
 |   910, 942,  974, 1006, 15,  47,   79,  111,  143, 175,  207, 239,  271, 303, | 
 |   335, 367,  399, 431,  463, 495,  527, 559,  591, 623,  655, 687,  719, 751, | 
 |   783, 815,  847, 879,  911, 943,  975, 1007, 16,  48,   80,  112,  144, 176, | 
 |   208, 240,  272, 304,  336, 368,  400, 432,  464, 496,  528, 560,  592, 624, | 
 |   656, 688,  720, 752,  784, 816,  848, 880,  912, 944,  976, 1008, 17,  49, | 
 |   81,  113,  145, 177,  209, 241,  273, 305,  337, 369,  401, 433,  465, 497, | 
 |   529, 561,  593, 625,  657, 689,  721, 753,  785, 817,  849, 881,  913, 945, | 
 |   977, 1009, 18,  50,   82,  114,  146, 178,  210, 242,  274, 306,  338, 370, | 
 |   402, 434,  466, 498,  530, 562,  594, 626,  658, 690,  722, 754,  786, 818, | 
 |   850, 882,  914, 946,  978, 1010, 19,  51,   83,  115,  147, 179,  211, 243, | 
 |   275, 307,  339, 371,  403, 435,  467, 499,  531, 563,  595, 627,  659, 691, | 
 |   723, 755,  787, 819,  851, 883,  915, 947,  979, 1011, 20,  52,   84,  116, | 
 |   148, 180,  212, 244,  276, 308,  340, 372,  404, 436,  468, 500,  532, 564, | 
 |   596, 628,  660, 692,  724, 756,  788, 820,  852, 884,  916, 948,  980, 1012, | 
 |   21,  53,   85,  117,  149, 181,  213, 245,  277, 309,  341, 373,  405, 437, | 
 |   469, 501,  533, 565,  597, 629,  661, 693,  725, 757,  789, 821,  853, 885, | 
 |   917, 949,  981, 1013, 22,  54,   86,  118,  150, 182,  214, 246,  278, 310, | 
 |   342, 374,  406, 438,  470, 502,  534, 566,  598, 630,  662, 694,  726, 758, | 
 |   790, 822,  854, 886,  918, 950,  982, 1014, 23,  55,   87,  119,  151, 183, | 
 |   215, 247,  279, 311,  343, 375,  407, 439,  471, 503,  535, 567,  599, 631, | 
 |   663, 695,  727, 759,  791, 823,  855, 887,  919, 951,  983, 1015, 24,  56, | 
 |   88,  120,  152, 184,  216, 248,  280, 312,  344, 376,  408, 440,  472, 504, | 
 |   536, 568,  600, 632,  664, 696,  728, 760,  792, 824,  856, 888,  920, 952, | 
 |   984, 1016, 25,  57,   89,  121,  153, 185,  217, 249,  281, 313,  345, 377, | 
 |   409, 441,  473, 505,  537, 569,  601, 633,  665, 697,  729, 761,  793, 825, | 
 |   857, 889,  921, 953,  985, 1017, 26,  58,   90,  122,  154, 186,  218, 250, | 
 |   282, 314,  346, 378,  410, 442,  474, 506,  538, 570,  602, 634,  666, 698, | 
 |   730, 762,  794, 826,  858, 890,  922, 954,  986, 1018, 27,  59,   91,  123, | 
 |   155, 187,  219, 251,  283, 315,  347, 379,  411, 443,  475, 507,  539, 571, | 
 |   603, 635,  667, 699,  731, 763,  795, 827,  859, 891,  923, 955,  987, 1019, | 
 |   28,  60,   92,  124,  156, 188,  220, 252,  284, 316,  348, 380,  412, 444, | 
 |   476, 508,  540, 572,  604, 636,  668, 700,  732, 764,  796, 828,  860, 892, | 
 |   924, 956,  988, 1020, 29,  61,   93,  125,  157, 189,  221, 253,  285, 317, | 
 |   349, 381,  413, 445,  477, 509,  541, 573,  605, 637,  669, 701,  733, 765, | 
 |   797, 829,  861, 893,  925, 957,  989, 1021, 30,  62,   94,  126,  158, 190, | 
 |   222, 254,  286, 318,  350, 382,  414, 446,  478, 510,  542, 574,  606, 638, | 
 |   670, 702,  734, 766,  798, 830,  862, 894,  926, 958,  990, 1022, 31,  63, | 
 |   95,  127,  159, 191,  223, 255,  287, 319,  351, 383,  415, 447,  479, 511, | 
 |   543, 575,  607, 639,  671, 703,  735, 767,  799, 831,  863, 895,  927, 959, | 
 |   991, 1023, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, mrow_scan_32x32[1024]) = { | 
 |   0,    1,    2,    3,    4,    5,    6,    7,    8,    9,    10,   11,   12, | 
 |   13,   14,   15,   16,   17,   18,   19,   20,   21,   22,   23,   24,   25, | 
 |   26,   27,   28,   29,   30,   31,   32,   33,   34,   35,   36,   37,   38, | 
 |   39,   40,   41,   42,   43,   44,   45,   46,   47,   48,   49,   50,   51, | 
 |   52,   53,   54,   55,   56,   57,   58,   59,   60,   61,   62,   63,   64, | 
 |   65,   66,   67,   68,   69,   70,   71,   72,   73,   74,   75,   76,   77, | 
 |   78,   79,   80,   81,   82,   83,   84,   85,   86,   87,   88,   89,   90, | 
 |   91,   92,   93,   94,   95,   96,   97,   98,   99,   100,  101,  102,  103, | 
 |   104,  105,  106,  107,  108,  109,  110,  111,  112,  113,  114,  115,  116, | 
 |   117,  118,  119,  120,  121,  122,  123,  124,  125,  126,  127,  128,  129, | 
 |   130,  131,  132,  133,  134,  135,  136,  137,  138,  139,  140,  141,  142, | 
 |   143,  144,  145,  146,  147,  148,  149,  150,  151,  152,  153,  154,  155, | 
 |   156,  157,  158,  159,  160,  161,  162,  163,  164,  165,  166,  167,  168, | 
 |   169,  170,  171,  172,  173,  174,  175,  176,  177,  178,  179,  180,  181, | 
 |   182,  183,  184,  185,  186,  187,  188,  189,  190,  191,  192,  193,  194, | 
 |   195,  196,  197,  198,  199,  200,  201,  202,  203,  204,  205,  206,  207, | 
 |   208,  209,  210,  211,  212,  213,  214,  215,  216,  217,  218,  219,  220, | 
 |   221,  222,  223,  224,  225,  226,  227,  228,  229,  230,  231,  232,  233, | 
 |   234,  235,  236,  237,  238,  239,  240,  241,  242,  243,  244,  245,  246, | 
 |   247,  248,  249,  250,  251,  252,  253,  254,  255,  256,  257,  258,  259, | 
 |   260,  261,  262,  263,  264,  265,  266,  267,  268,  269,  270,  271,  272, | 
 |   273,  274,  275,  276,  277,  278,  279,  280,  281,  282,  283,  284,  285, | 
 |   286,  287,  288,  289,  290,  291,  292,  293,  294,  295,  296,  297,  298, | 
 |   299,  300,  301,  302,  303,  304,  305,  306,  307,  308,  309,  310,  311, | 
 |   312,  313,  314,  315,  316,  317,  318,  319,  320,  321,  322,  323,  324, | 
 |   325,  326,  327,  328,  329,  330,  331,  332,  333,  334,  335,  336,  337, | 
 |   338,  339,  340,  341,  342,  343,  344,  345,  346,  347,  348,  349,  350, | 
 |   351,  352,  353,  354,  355,  356,  357,  358,  359,  360,  361,  362,  363, | 
 |   364,  365,  366,  367,  368,  369,  370,  371,  372,  373,  374,  375,  376, | 
 |   377,  378,  379,  380,  381,  382,  383,  384,  385,  386,  387,  388,  389, | 
 |   390,  391,  392,  393,  394,  395,  396,  397,  398,  399,  400,  401,  402, | 
 |   403,  404,  405,  406,  407,  408,  409,  410,  411,  412,  413,  414,  415, | 
 |   416,  417,  418,  419,  420,  421,  422,  423,  424,  425,  426,  427,  428, | 
 |   429,  430,  431,  432,  433,  434,  435,  436,  437,  438,  439,  440,  441, | 
 |   442,  443,  444,  445,  446,  447,  448,  449,  450,  451,  452,  453,  454, | 
 |   455,  456,  457,  458,  459,  460,  461,  462,  463,  464,  465,  466,  467, | 
 |   468,  469,  470,  471,  472,  473,  474,  475,  476,  477,  478,  479,  480, | 
 |   481,  482,  483,  484,  485,  486,  487,  488,  489,  490,  491,  492,  493, | 
 |   494,  495,  496,  497,  498,  499,  500,  501,  502,  503,  504,  505,  506, | 
 |   507,  508,  509,  510,  511,  512,  513,  514,  515,  516,  517,  518,  519, | 
 |   520,  521,  522,  523,  524,  525,  526,  527,  528,  529,  530,  531,  532, | 
 |   533,  534,  535,  536,  537,  538,  539,  540,  541,  542,  543,  544,  545, | 
 |   546,  547,  548,  549,  550,  551,  552,  553,  554,  555,  556,  557,  558, | 
 |   559,  560,  561,  562,  563,  564,  565,  566,  567,  568,  569,  570,  571, | 
 |   572,  573,  574,  575,  576,  577,  578,  579,  580,  581,  582,  583,  584, | 
 |   585,  586,  587,  588,  589,  590,  591,  592,  593,  594,  595,  596,  597, | 
 |   598,  599,  600,  601,  602,  603,  604,  605,  606,  607,  608,  609,  610, | 
 |   611,  612,  613,  614,  615,  616,  617,  618,  619,  620,  621,  622,  623, | 
 |   624,  625,  626,  627,  628,  629,  630,  631,  632,  633,  634,  635,  636, | 
 |   637,  638,  639,  640,  641,  642,  643,  644,  645,  646,  647,  648,  649, | 
 |   650,  651,  652,  653,  654,  655,  656,  657,  658,  659,  660,  661,  662, | 
 |   663,  664,  665,  666,  667,  668,  669,  670,  671,  672,  673,  674,  675, | 
 |   676,  677,  678,  679,  680,  681,  682,  683,  684,  685,  686,  687,  688, | 
 |   689,  690,  691,  692,  693,  694,  695,  696,  697,  698,  699,  700,  701, | 
 |   702,  703,  704,  705,  706,  707,  708,  709,  710,  711,  712,  713,  714, | 
 |   715,  716,  717,  718,  719,  720,  721,  722,  723,  724,  725,  726,  727, | 
 |   728,  729,  730,  731,  732,  733,  734,  735,  736,  737,  738,  739,  740, | 
 |   741,  742,  743,  744,  745,  746,  747,  748,  749,  750,  751,  752,  753, | 
 |   754,  755,  756,  757,  758,  759,  760,  761,  762,  763,  764,  765,  766, | 
 |   767,  768,  769,  770,  771,  772,  773,  774,  775,  776,  777,  778,  779, | 
 |   780,  781,  782,  783,  784,  785,  786,  787,  788,  789,  790,  791,  792, | 
 |   793,  794,  795,  796,  797,  798,  799,  800,  801,  802,  803,  804,  805, | 
 |   806,  807,  808,  809,  810,  811,  812,  813,  814,  815,  816,  817,  818, | 
 |   819,  820,  821,  822,  823,  824,  825,  826,  827,  828,  829,  830,  831, | 
 |   832,  833,  834,  835,  836,  837,  838,  839,  840,  841,  842,  843,  844, | 
 |   845,  846,  847,  848,  849,  850,  851,  852,  853,  854,  855,  856,  857, | 
 |   858,  859,  860,  861,  862,  863,  864,  865,  866,  867,  868,  869,  870, | 
 |   871,  872,  873,  874,  875,  876,  877,  878,  879,  880,  881,  882,  883, | 
 |   884,  885,  886,  887,  888,  889,  890,  891,  892,  893,  894,  895,  896, | 
 |   897,  898,  899,  900,  901,  902,  903,  904,  905,  906,  907,  908,  909, | 
 |   910,  911,  912,  913,  914,  915,  916,  917,  918,  919,  920,  921,  922, | 
 |   923,  924,  925,  926,  927,  928,  929,  930,  931,  932,  933,  934,  935, | 
 |   936,  937,  938,  939,  940,  941,  942,  943,  944,  945,  946,  947,  948, | 
 |   949,  950,  951,  952,  953,  954,  955,  956,  957,  958,  959,  960,  961, | 
 |   962,  963,  964,  965,  966,  967,  968,  969,  970,  971,  972,  973,  974, | 
 |   975,  976,  977,  978,  979,  980,  981,  982,  983,  984,  985,  986,  987, | 
 |   988,  989,  990,  991,  992,  993,  994,  995,  996,  997,  998,  999,  1000, | 
 |   1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 1013, | 
 |   1014, 1015, 1016, 1017, 1018, 1019, 1020, 1021, 1022, 1023, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, default_scan_32x32[1024]) = { | 
 |   0,    1,    32,   64,   33,   2,   3,    34,   65,   96,   128,  97,  66, | 
 |   35,   4,    5,    36,   67,   98,  129,  160,  192,  161,  130,  99,  68, | 
 |   37,   6,    7,    38,   69,   100, 131,  162,  193,  224,  256,  225, 194, | 
 |   163,  132,  101,  70,   39,   8,   9,    40,   71,   102,  133,  164, 195, | 
 |   226,  257,  288,  320,  289,  258, 227,  196,  165,  134,  103,  72,  41, | 
 |   10,   11,   42,   73,   104,  135, 166,  197,  228,  259,  290,  321, 352, | 
 |   384,  353,  322,  291,  260,  229, 198,  167,  136,  105,  74,   43,  12, | 
 |   13,   44,   75,   106,  137,  168, 199,  230,  261,  292,  323,  354, 385, | 
 |   416,  448,  417,  386,  355,  324, 293,  262,  231,  200,  169,  138, 107, | 
 |   76,   45,   14,   15,   46,   77,  108,  139,  170,  201,  232,  263, 294, | 
 |   325,  356,  387,  418,  449,  480, 512,  481,  450,  419,  388,  357, 326, | 
 |   295,  264,  233,  202,  171,  140, 109,  78,   47,   16,   17,   48,  79, | 
 |   110,  141,  172,  203,  234,  265, 296,  327,  358,  389,  420,  451, 482, | 
 |   513,  544,  576,  545,  514,  483, 452,  421,  390,  359,  328,  297, 266, | 
 |   235,  204,  173,  142,  111,  80,  49,   18,   19,   50,   81,   112, 143, | 
 |   174,  205,  236,  267,  298,  329, 360,  391,  422,  453,  484,  515, 546, | 
 |   577,  608,  640,  609,  578,  547, 516,  485,  454,  423,  392,  361, 330, | 
 |   299,  268,  237,  206,  175,  144, 113,  82,   51,   20,   21,   52,  83, | 
 |   114,  145,  176,  207,  238,  269, 300,  331,  362,  393,  424,  455, 486, | 
 |   517,  548,  579,  610,  641,  672, 704,  673,  642,  611,  580,  549, 518, | 
 |   487,  456,  425,  394,  363,  332, 301,  270,  239,  208,  177,  146, 115, | 
 |   84,   53,   22,   23,   54,   85,  116,  147,  178,  209,  240,  271, 302, | 
 |   333,  364,  395,  426,  457,  488, 519,  550,  581,  612,  643,  674, 705, | 
 |   736,  768,  737,  706,  675,  644, 613,  582,  551,  520,  489,  458, 427, | 
 |   396,  365,  334,  303,  272,  241, 210,  179,  148,  117,  86,   55,  24, | 
 |   25,   56,   87,   118,  149,  180, 211,  242,  273,  304,  335,  366, 397, | 
 |   428,  459,  490,  521,  552,  583, 614,  645,  676,  707,  738,  769, 800, | 
 |   832,  801,  770,  739,  708,  677, 646,  615,  584,  553,  522,  491, 460, | 
 |   429,  398,  367,  336,  305,  274, 243,  212,  181,  150,  119,  88,  57, | 
 |   26,   27,   58,   89,   120,  151, 182,  213,  244,  275,  306,  337, 368, | 
 |   399,  430,  461,  492,  523,  554, 585,  616,  647,  678,  709,  740, 771, | 
 |   802,  833,  864,  896,  865,  834, 803,  772,  741,  710,  679,  648, 617, | 
 |   586,  555,  524,  493,  462,  431, 400,  369,  338,  307,  276,  245, 214, | 
 |   183,  152,  121,  90,   59,   28,  29,   60,   91,   122,  153,  184, 215, | 
 |   246,  277,  308,  339,  370,  401, 432,  463,  494,  525,  556,  587, 618, | 
 |   649,  680,  711,  742,  773,  804, 835,  866,  897,  928,  960,  929, 898, | 
 |   867,  836,  805,  774,  743,  712, 681,  650,  619,  588,  557,  526, 495, | 
 |   464,  433,  402,  371,  340,  309, 278,  247,  216,  185,  154,  123, 92, | 
 |   61,   30,   31,   62,   93,   124, 155,  186,  217,  248,  279,  310, 341, | 
 |   372,  403,  434,  465,  496,  527, 558,  589,  620,  651,  682,  713, 744, | 
 |   775,  806,  837,  868,  899,  930, 961,  992,  993,  962,  931,  900, 869, | 
 |   838,  807,  776,  745,  714,  683, 652,  621,  590,  559,  528,  497, 466, | 
 |   435,  404,  373,  342,  311,  280, 249,  218,  187,  156,  125,  94,  63, | 
 |   95,   126,  157,  188,  219,  250, 281,  312,  343,  374,  405,  436, 467, | 
 |   498,  529,  560,  591,  622,  653, 684,  715,  746,  777,  808,  839, 870, | 
 |   901,  932,  963,  994,  995,  964, 933,  902,  871,  840,  809,  778, 747, | 
 |   716,  685,  654,  623,  592,  561, 530,  499,  468,  437,  406,  375, 344, | 
 |   313,  282,  251,  220,  189,  158, 127,  159,  190,  221,  252,  283, 314, | 
 |   345,  376,  407,  438,  469,  500, 531,  562,  593,  624,  655,  686, 717, | 
 |   748,  779,  810,  841,  872,  903, 934,  965,  996,  997,  966,  935, 904, | 
 |   873,  842,  811,  780,  749,  718, 687,  656,  625,  594,  563,  532, 501, | 
 |   470,  439,  408,  377,  346,  315, 284,  253,  222,  191,  223,  254, 285, | 
 |   316,  347,  378,  409,  440,  471, 502,  533,  564,  595,  626,  657, 688, | 
 |   719,  750,  781,  812,  843,  874, 905,  936,  967,  998,  999,  968, 937, | 
 |   906,  875,  844,  813,  782,  751, 720,  689,  658,  627,  596,  565, 534, | 
 |   503,  472,  441,  410,  379,  348, 317,  286,  255,  287,  318,  349, 380, | 
 |   411,  442,  473,  504,  535,  566, 597,  628,  659,  690,  721,  752, 783, | 
 |   814,  845,  876,  907,  938,  969, 1000, 1001, 970,  939,  908,  877, 846, | 
 |   815,  784,  753,  722,  691,  660, 629,  598,  567,  536,  505,  474, 443, | 
 |   412,  381,  350,  319,  351,  382, 413,  444,  475,  506,  537,  568, 599, | 
 |   630,  661,  692,  723,  754,  785, 816,  847,  878,  909,  940,  971, 1002, | 
 |   1003, 972,  941,  910,  879,  848, 817,  786,  755,  724,  693,  662, 631, | 
 |   600,  569,  538,  507,  476,  445, 414,  383,  415,  446,  477,  508, 539, | 
 |   570,  601,  632,  663,  694,  725, 756,  787,  818,  849,  880,  911, 942, | 
 |   973,  1004, 1005, 974,  943,  912, 881,  850,  819,  788,  757,  726, 695, | 
 |   664,  633,  602,  571,  540,  509, 478,  447,  479,  510,  541,  572, 603, | 
 |   634,  665,  696,  727,  758,  789, 820,  851,  882,  913,  944,  975, 1006, | 
 |   1007, 976,  945,  914,  883,  852, 821,  790,  759,  728,  697,  666, 635, | 
 |   604,  573,  542,  511,  543,  574, 605,  636,  667,  698,  729,  760, 791, | 
 |   822,  853,  884,  915,  946,  977, 1008, 1009, 978,  947,  916,  885, 854, | 
 |   823,  792,  761,  730,  699,  668, 637,  606,  575,  607,  638,  669, 700, | 
 |   731,  762,  793,  824,  855,  886, 917,  948,  979,  1010, 1011, 980, 949, | 
 |   918,  887,  856,  825,  794,  763, 732,  701,  670,  639,  671,  702, 733, | 
 |   764,  795,  826,  857,  888,  919, 950,  981,  1012, 1013, 982,  951, 920, | 
 |   889,  858,  827,  796,  765,  734, 703,  735,  766,  797,  828,  859, 890, | 
 |   921,  952,  983,  1014, 1015, 984, 953,  922,  891,  860,  829,  798, 767, | 
 |   799,  830,  861,  892,  923,  954, 985,  1016, 1017, 986,  955,  924, 893, | 
 |   862,  831,  863,  894,  925,  956, 987,  1018, 1019, 988,  957,  926, 895, | 
 |   927,  958,  989,  1020, 1021, 990, 959,  991,  1022, 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, 4, 4, 1, 4, 1,  1,  2,  2,  2,  5, 5, | 
 |   8, 8, 8, 9, 12, 6, 9, 3, 6, 7, 10, 10, 13, 11, 14, 0, 0 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 mcol_scan_4x4_neighbors[17 * MAX_NEIGHBORS]) = { | 
 |   0, 0, 0, 0, 4, 4,  8,  8, 0, 0, 1, 4, 5,  8,  9,  12, 1, | 
 |   1, 2, 5, 6, 9, 10, 13, 2, 2, 3, 6, 7, 10, 11, 14, 0,  0, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 mrow_scan_4x4_neighbors[17 * MAX_NEIGHBORS]) = { | 
 |   0, 0, 0, 0, 1, 1, 2,  2, 0, 0, 1,  4,  2,  5,  3,  6, 4, | 
 |   4, 5, 8, 6, 9, 7, 10, 8, 8, 9, 12, 10, 13, 11, 14, 0, 0, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 default_scan_4x8_neighbors[33 * MAX_NEIGHBORS]) = { | 
 |   0,  0,  0,  0,  0,  0,  1,  4,  1,  1,  4,  4,  2,  5,  5,  8,  6, | 
 |   9,  2,  2,  8,  8,  3,  6,  9,  12, 7,  10, 10, 13, 12, 12, 13, 16, | 
 |   11, 14, 14, 17, 15, 18, 16, 16, 17, 20, 18, 21, 19, 22, 20, 20, 21, | 
 |   24, 22, 25, 23, 26, 24, 24, 25, 28, 26, 29, 27, 30, 0,  0 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 mcol_scan_4x8_neighbors[33 * MAX_NEIGHBORS]) = { | 
 |   0, 0, 0,  0,  4,  4,  8,  8,  12, 12, 16, 16, 20, 20, 24, 24, 0, | 
 |   0, 1, 4,  5,  8,  9,  12, 13, 16, 17, 20, 21, 24, 25, 28, 1,  1, | 
 |   2, 5, 6,  9,  10, 13, 14, 17, 18, 21, 22, 25, 26, 29, 2,  2,  3, | 
 |   6, 7, 10, 11, 14, 15, 18, 19, 22, 23, 26, 27, 30, 0,  0 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 mrow_scan_4x8_neighbors[33 * MAX_NEIGHBORS]) = { | 
 |   0,  0,  0,  0,  1,  1,  2,  2,  0,  0,  1,  4,  2,  5,  3,  6,  4, | 
 |   4,  5,  8,  6,  9,  7,  10, 8,  8,  9,  12, 10, 13, 11, 14, 12, 12, | 
 |   13, 16, 14, 17, 15, 18, 16, 16, 17, 20, 18, 21, 19, 22, 20, 20, 21, | 
 |   24, 22, 25, 23, 26, 24, 24, 25, 28, 26, 29, 27, 30, 0,  0 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 default_scan_8x4_neighbors[33 * MAX_NEIGHBORS]) = { | 
 |   0,  0,  0,  0,  0,  0, 1,  8,  1,  1,  8,  8,  2,  9,  9, 16, 10, | 
 |   17, 2,  2,  16, 16, 3, 10, 17, 24, 11, 18, 18, 25, 3,  3, 4,  11, | 
 |   19, 26, 12, 19, 4,  4, 20, 27, 5,  12, 13, 20, 21, 28, 5, 5,  6, | 
 |   13, 14, 21, 22, 29, 6, 6,  7,  14, 15, 22, 23, 30, 0,  0 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 mcol_scan_8x4_neighbors[33 * MAX_NEIGHBORS]) = { | 
 |   0,  0,  0,  0,  8,  8,  16, 16, 0,  0,  1,  8,  9,  16, 17, 24, 1, | 
 |   1,  2,  9,  10, 17, 18, 25, 2,  2,  3,  10, 11, 18, 19, 26, 3,  3, | 
 |   4,  11, 12, 19, 20, 27, 4,  4,  5,  12, 13, 20, 21, 28, 5,  5,  6, | 
 |   13, 14, 21, 22, 29, 6,  6,  7,  14, 15, 22, 23, 30, 0,  0 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 mrow_scan_8x4_neighbors[33 * MAX_NEIGHBORS]) = { | 
 |   0,  0,  0,  0,  1,  1,  2,  2,  3,  3,  4,  4,  5,  5,  6,  6,  0, | 
 |   0,  1,  8,  2,  9,  3,  10, 4,  11, 5,  12, 6,  13, 7,  14, 8,  8, | 
 |   9,  16, 10, 17, 11, 18, 12, 19, 13, 20, 14, 21, 15, 22, 16, 16, 17, | 
 |   24, 18, 25, 19, 26, 20, 27, 21, 28, 22, 29, 23, 30, 0,  0 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 default_scan_4x16_neighbors[65 * MAX_NEIGHBORS]) = { | 
 |   0,  0,  0,  0,  0,  0,  1,  4,  1,  1,  4,  4,  2,  5,  5,  8,  6,  9,  2, | 
 |   2,  8,  8,  3,  6,  9,  12, 7,  10, 10, 13, 12, 12, 13, 16, 11, 14, 14, 17, | 
 |   15, 18, 16, 16, 17, 20, 18, 21, 19, 22, 20, 20, 21, 24, 22, 25, 23, 26, 24, | 
 |   24, 25, 28, 26, 29, 27, 30, 28, 28, 29, 32, 30, 33, 31, 34, 32, 32, 33, 36, | 
 |   34, 37, 35, 38, 36, 36, 37, 40, 38, 41, 39, 42, 40, 40, 41, 44, 42, 45, 43, | 
 |   46, 44, 44, 45, 48, 46, 49, 47, 50, 48, 48, 49, 52, 50, 53, 51, 54, 52, 52, | 
 |   53, 56, 54, 57, 55, 58, 56, 56, 57, 60, 58, 61, 59, 62, 0,  0 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 default_scan_16x4_neighbors[65 * MAX_NEIGHBORS]) = { | 
 |   0,  0,  0,  0,  0,  0,  1,  16, 1,  1,  16, 16, 2,  17, 17, 32, 18, 33, 2, | 
 |   2,  32, 32, 3,  18, 33, 48, 19, 34, 34, 49, 3,  3,  4,  19, 35, 50, 20, 35, | 
 |   4,  4,  36, 51, 5,  20, 21, 36, 37, 52, 5,  5,  6,  21, 22, 37, 38, 53, 6, | 
 |   6,  7,  22, 23, 38, 39, 54, 7,  7,  8,  23, 24, 39, 40, 55, 8,  8,  9,  24, | 
 |   25, 40, 41, 56, 9,  9,  10, 25, 26, 41, 42, 57, 10, 10, 11, 26, 27, 42, 43, | 
 |   58, 11, 11, 12, 27, 28, 43, 44, 59, 12, 12, 13, 28, 29, 44, 45, 60, 13, 13, | 
 |   14, 29, 30, 45, 46, 61, 14, 14, 15, 30, 31, 46, 47, 62, 0,  0 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 mrow_scan_4x16_neighbors[65 * MAX_NEIGHBORS]) = { | 
 |   0,  0,  0,  0,  1,  1,  2,  2,  0,  0,  1,  4,  2,  5,  3,  6,  4,  4,  5, | 
 |   8,  6,  9,  7,  10, 8,  8,  9,  12, 10, 13, 11, 14, 12, 12, 13, 16, 14, 17, | 
 |   15, 18, 16, 16, 17, 20, 18, 21, 19, 22, 20, 20, 21, 24, 22, 25, 23, 26, 24, | 
 |   24, 25, 28, 26, 29, 27, 30, 28, 28, 29, 32, 30, 33, 31, 34, 32, 32, 33, 36, | 
 |   34, 37, 35, 38, 36, 36, 37, 40, 38, 41, 39, 42, 40, 40, 41, 44, 42, 45, 43, | 
 |   46, 44, 44, 45, 48, 46, 49, 47, 50, 48, 48, 49, 52, 50, 53, 51, 54, 52, 52, | 
 |   53, 56, 54, 57, 55, 58, 56, 56, 57, 60, 58, 61, 59, 62, 0,  0 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 mrow_scan_16x4_neighbors[65 * MAX_NEIGHBORS]) = { | 
 |   0,  0,  0,  0,  1,  1,  2,  2,  3,  3,  4,  4,  5,  5,  6,  6,  7,  7,  8, | 
 |   8,  9,  9,  10, 10, 11, 11, 12, 12, 13, 13, 14, 14, 0,  0,  1,  16, 2,  17, | 
 |   3,  18, 4,  19, 5,  20, 6,  21, 7,  22, 8,  23, 9,  24, 10, 25, 11, 26, 12, | 
 |   27, 13, 28, 14, 29, 15, 30, 16, 16, 17, 32, 18, 33, 19, 34, 20, 35, 21, 36, | 
 |   22, 37, 23, 38, 24, 39, 25, 40, 26, 41, 27, 42, 28, 43, 29, 44, 30, 45, 31, | 
 |   46, 32, 32, 33, 48, 34, 49, 35, 50, 36, 51, 37, 52, 38, 53, 39, 54, 40, 55, | 
 |   41, 56, 42, 57, 43, 58, 44, 59, 45, 60, 46, 61, 47, 62, 0,  0 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 mcol_scan_4x16_neighbors[65 * MAX_NEIGHBORS]) = { | 
 |   0,  0,  0,  0,  4,  4,  8,  8,  12, 12, 16, 16, 20, 20, 24, 24, 28, 28, 32, | 
 |   32, 36, 36, 40, 40, 44, 44, 48, 48, 52, 52, 56, 56, 0,  0,  1,  4,  5,  8, | 
 |   9,  12, 13, 16, 17, 20, 21, 24, 25, 28, 29, 32, 33, 36, 37, 40, 41, 44, 45, | 
 |   48, 49, 52, 53, 56, 57, 60, 1,  1,  2,  5,  6,  9,  10, 13, 14, 17, 18, 21, | 
 |   22, 25, 26, 29, 30, 33, 34, 37, 38, 41, 42, 45, 46, 49, 50, 53, 54, 57, 58, | 
 |   61, 2,  2,  3,  6,  7,  10, 11, 14, 15, 18, 19, 22, 23, 26, 27, 30, 31, 34, | 
 |   35, 38, 39, 42, 43, 46, 47, 50, 51, 54, 55, 58, 59, 62, 0,  0 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 mcol_scan_16x4_neighbors[65 * MAX_NEIGHBORS]) = { | 
 |   0,  0,  0,  0,  16, 16, 32, 32, 0,  0,  1,  16, 17, 32, 33, 48, 1,  1,  2, | 
 |   17, 18, 33, 34, 49, 2,  2,  3,  18, 19, 34, 35, 50, 3,  3,  4,  19, 20, 35, | 
 |   36, 51, 4,  4,  5,  20, 21, 36, 37, 52, 5,  5,  6,  21, 22, 37, 38, 53, 6, | 
 |   6,  7,  22, 23, 38, 39, 54, 7,  7,  8,  23, 24, 39, 40, 55, 8,  8,  9,  24, | 
 |   25, 40, 41, 56, 9,  9,  10, 25, 26, 41, 42, 57, 10, 10, 11, 26, 27, 42, 43, | 
 |   58, 11, 11, 12, 27, 28, 43, 44, 59, 12, 12, 13, 28, 29, 44, 45, 60, 13, 13, | 
 |   14, 29, 30, 45, 46, 61, 14, 14, 15, 30, 31, 46, 47, 62, 0,  0 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 default_scan_8x32_neighbors[257 * MAX_NEIGHBORS]) = { | 
 |   0,   0,   0,   0,   0,   0,   1,   1,   1,   8,   8,   8,   2,   2,   2, | 
 |   9,   9,   16,  16,  16,  3,   3,   3,   10,  10,  17,  17,  24,  24,  24, | 
 |   4,   4,   4,   11,  11,  18,  18,  25,  25,  32,  32,  32,  5,   5,   5, | 
 |   12,  12,  19,  19,  26,  26,  33,  33,  40,  40,  40,  6,   6,   6,   13, | 
 |   13,  20,  20,  27,  27,  34,  34,  41,  41,  48,  48,  48,  7,   14,  14, | 
 |   21,  21,  28,  28,  35,  35,  42,  42,  49,  49,  56,  56,  56,  15,  22, | 
 |   22,  29,  29,  36,  36,  43,  43,  50,  50,  57,  57,  64,  64,  64,  23, | 
 |   30,  30,  37,  37,  44,  44,  51,  51,  58,  58,  65,  65,  72,  72,  72, | 
 |   31,  38,  38,  45,  45,  52,  52,  59,  59,  66,  66,  73,  73,  80,  80, | 
 |   80,  39,  46,  46,  53,  53,  60,  60,  67,  67,  74,  74,  81,  81,  88, | 
 |   88,  88,  47,  54,  54,  61,  61,  68,  68,  75,  75,  82,  82,  89,  89, | 
 |   96,  96,  96,  55,  62,  62,  69,  69,  76,  76,  83,  83,  90,  90,  97, | 
 |   97,  104, 104, 104, 63,  70,  70,  77,  77,  84,  84,  91,  91,  98,  98, | 
 |   105, 105, 112, 112, 112, 71,  78,  78,  85,  85,  92,  92,  99,  99,  106, | 
 |   106, 113, 113, 120, 120, 120, 79,  86,  86,  93,  93,  100, 100, 107, 107, | 
 |   114, 114, 121, 121, 128, 128, 128, 87,  94,  94,  101, 101, 108, 108, 115, | 
 |   115, 122, 122, 129, 129, 136, 136, 136, 95,  102, 102, 109, 109, 116, 116, | 
 |   123, 123, 130, 130, 137, 137, 144, 144, 144, 103, 110, 110, 117, 117, 124, | 
 |   124, 131, 131, 138, 138, 145, 145, 152, 152, 152, 111, 118, 118, 125, 125, | 
 |   132, 132, 139, 139, 146, 146, 153, 153, 160, 160, 160, 119, 126, 126, 133, | 
 |   133, 140, 140, 147, 147, 154, 154, 161, 161, 168, 168, 168, 127, 134, 134, | 
 |   141, 141, 148, 148, 155, 155, 162, 162, 169, 169, 176, 176, 176, 135, 142, | 
 |   142, 149, 149, 156, 156, 163, 163, 170, 170, 177, 177, 184, 184, 184, 143, | 
 |   150, 150, 157, 157, 164, 164, 171, 171, 178, 178, 185, 185, 192, 192, 192, | 
 |   151, 158, 158, 165, 165, 172, 172, 179, 179, 186, 186, 193, 193, 200, 200, | 
 |   200, 159, 166, 166, 173, 173, 180, 180, 187, 187, 194, 194, 201, 201, 208, | 
 |   208, 208, 167, 174, 174, 181, 181, 188, 188, 195, 195, 202, 202, 209, 209, | 
 |   216, 216, 216, 175, 182, 182, 189, 189, 196, 196, 203, 203, 210, 210, 217, | 
 |   217, 224, 224, 224, 183, 190, 190, 197, 197, 204, 204, 211, 211, 218, 218, | 
 |   225, 225, 232, 232, 232, 191, 198, 198, 205, 205, 212, 212, 219, 219, 226, | 
 |   226, 233, 233, 240, 240, 240, 199, 206, 206, 213, 213, 220, 220, 227, 227, | 
 |   234, 234, 241, 241, 248, 207, 214, 214, 221, 221, 228, 228, 235, 235, 242, | 
 |   242, 249, 215, 222, 222, 229, 229, 236, 236, 243, 243, 250, 223, 230, 230, | 
 |   237, 237, 244, 244, 251, 231, 238, 238, 245, 245, 252, 239, 246, 246, 253, | 
 |   247, 254, 0,   0 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 default_scan_32x8_neighbors[257 * MAX_NEIGHBORS]) = { | 
 |   0,   0,   0,   0,   0,   0,   1,   1,   1,   32,  32,  32,  2,   2,   2, | 
 |   33,  33,  64,  64,  64,  3,   3,   3,   34,  34,  65,  65,  96,  96,  96, | 
 |   4,   4,   4,   35,  35,  66,  66,  97,  97,  128, 128, 128, 5,   5,   5, | 
 |   36,  36,  67,  67,  98,  98,  129, 129, 160, 160, 160, 6,   6,   6,   37, | 
 |   37,  68,  68,  99,  99,  130, 130, 161, 161, 192, 192, 192, 7,   7,   7, | 
 |   38,  38,  69,  69,  100, 100, 131, 131, 162, 162, 193, 193, 224, 8,   8, | 
 |   8,   39,  39,  70,  70,  101, 101, 132, 132, 163, 163, 194, 194, 225, 9, | 
 |   9,   9,   40,  40,  71,  71,  102, 102, 133, 133, 164, 164, 195, 195, 226, | 
 |   10,  10,  10,  41,  41,  72,  72,  103, 103, 134, 134, 165, 165, 196, 196, | 
 |   227, 11,  11,  11,  42,  42,  73,  73,  104, 104, 135, 135, 166, 166, 197, | 
 |   197, 228, 12,  12,  12,  43,  43,  74,  74,  105, 105, 136, 136, 167, 167, | 
 |   198, 198, 229, 13,  13,  13,  44,  44,  75,  75,  106, 106, 137, 137, 168, | 
 |   168, 199, 199, 230, 14,  14,  14,  45,  45,  76,  76,  107, 107, 138, 138, | 
 |   169, 169, 200, 200, 231, 15,  15,  15,  46,  46,  77,  77,  108, 108, 139, | 
 |   139, 170, 170, 201, 201, 232, 16,  16,  16,  47,  47,  78,  78,  109, 109, | 
 |   140, 140, 171, 171, 202, 202, 233, 17,  17,  17,  48,  48,  79,  79,  110, | 
 |   110, 141, 141, 172, 172, 203, 203, 234, 18,  18,  18,  49,  49,  80,  80, | 
 |   111, 111, 142, 142, 173, 173, 204, 204, 235, 19,  19,  19,  50,  50,  81, | 
 |   81,  112, 112, 143, 143, 174, 174, 205, 205, 236, 20,  20,  20,  51,  51, | 
 |   82,  82,  113, 113, 144, 144, 175, 175, 206, 206, 237, 21,  21,  21,  52, | 
 |   52,  83,  83,  114, 114, 145, 145, 176, 176, 207, 207, 238, 22,  22,  22, | 
 |   53,  53,  84,  84,  115, 115, 146, 146, 177, 177, 208, 208, 239, 23,  23, | 
 |   23,  54,  54,  85,  85,  116, 116, 147, 147, 178, 178, 209, 209, 240, 24, | 
 |   24,  24,  55,  55,  86,  86,  117, 117, 148, 148, 179, 179, 210, 210, 241, | 
 |   25,  25,  25,  56,  56,  87,  87,  118, 118, 149, 149, 180, 180, 211, 211, | 
 |   242, 26,  26,  26,  57,  57,  88,  88,  119, 119, 150, 150, 181, 181, 212, | 
 |   212, 243, 27,  27,  27,  58,  58,  89,  89,  120, 120, 151, 151, 182, 182, | 
 |   213, 213, 244, 28,  28,  28,  59,  59,  90,  90,  121, 121, 152, 152, 183, | 
 |   183, 214, 214, 245, 29,  29,  29,  60,  60,  91,  91,  122, 122, 153, 153, | 
 |   184, 184, 215, 215, 246, 30,  30,  30,  61,  61,  92,  92,  123, 123, 154, | 
 |   154, 185, 185, 216, 216, 247, 31,  62,  62,  93,  93,  124, 124, 155, 155, | 
 |   186, 186, 217, 217, 248, 63,  94,  94,  125, 125, 156, 156, 187, 187, 218, | 
 |   218, 249, 95,  126, 126, 157, 157, 188, 188, 219, 219, 250, 127, 158, 158, | 
 |   189, 189, 220, 220, 251, 159, 190, 190, 221, 221, 252, 191, 222, 222, 253, | 
 |   223, 254, 0,   0 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 mrow_scan_8x32_neighbors[257 * MAX_NEIGHBORS]) = { | 
 |   0,   0,   0,   0,   1,   1,   2,   2,   3,   3,   4,   4,   5,   5,   6, | 
 |   6,   0,   0,   1,   8,   2,   9,   3,   10,  4,   11,  5,   12,  6,   13, | 
 |   7,   14,  8,   8,   9,   16,  10,  17,  11,  18,  12,  19,  13,  20,  14, | 
 |   21,  15,  22,  16,  16,  17,  24,  18,  25,  19,  26,  20,  27,  21,  28, | 
 |   22,  29,  23,  30,  24,  24,  25,  32,  26,  33,  27,  34,  28,  35,  29, | 
 |   36,  30,  37,  31,  38,  32,  32,  33,  40,  34,  41,  35,  42,  36,  43, | 
 |   37,  44,  38,  45,  39,  46,  40,  40,  41,  48,  42,  49,  43,  50,  44, | 
 |   51,  45,  52,  46,  53,  47,  54,  48,  48,  49,  56,  50,  57,  51,  58, | 
 |   52,  59,  53,  60,  54,  61,  55,  62,  56,  56,  57,  64,  58,  65,  59, | 
 |   66,  60,  67,  61,  68,  62,  69,  63,  70,  64,  64,  65,  72,  66,  73, | 
 |   67,  74,  68,  75,  69,  76,  70,  77,  71,  78,  72,  72,  73,  80,  74, | 
 |   81,  75,  82,  76,  83,  77,  84,  78,  85,  79,  86,  80,  80,  81,  88, | 
 |   82,  89,  83,  90,  84,  91,  85,  92,  86,  93,  87,  94,  88,  88,  89, | 
 |   96,  90,  97,  91,  98,  92,  99,  93,  100, 94,  101, 95,  102, 96,  96, | 
 |   97,  104, 98,  105, 99,  106, 100, 107, 101, 108, 102, 109, 103, 110, 104, | 
 |   104, 105, 112, 106, 113, 107, 114, 108, 115, 109, 116, 110, 117, 111, 118, | 
 |   112, 112, 113, 120, 114, 121, 115, 122, 116, 123, 117, 124, 118, 125, 119, | 
 |   126, 120, 120, 121, 128, 122, 129, 123, 130, 124, 131, 125, 132, 126, 133, | 
 |   127, 134, 128, 128, 129, 136, 130, 137, 131, 138, 132, 139, 133, 140, 134, | 
 |   141, 135, 142, 136, 136, 137, 144, 138, 145, 139, 146, 140, 147, 141, 148, | 
 |   142, 149, 143, 150, 144, 144, 145, 152, 146, 153, 147, 154, 148, 155, 149, | 
 |   156, 150, 157, 151, 158, 152, 152, 153, 160, 154, 161, 155, 162, 156, 163, | 
 |   157, 164, 158, 165, 159, 166, 160, 160, 161, 168, 162, 169, 163, 170, 164, | 
 |   171, 165, 172, 166, 173, 167, 174, 168, 168, 169, 176, 170, 177, 171, 178, | 
 |   172, 179, 173, 180, 174, 181, 175, 182, 176, 176, 177, 184, 178, 185, 179, | 
 |   186, 180, 187, 181, 188, 182, 189, 183, 190, 184, 184, 185, 192, 186, 193, | 
 |   187, 194, 188, 195, 189, 196, 190, 197, 191, 198, 192, 192, 193, 200, 194, | 
 |   201, 195, 202, 196, 203, 197, 204, 198, 205, 199, 206, 200, 200, 201, 208, | 
 |   202, 209, 203, 210, 204, 211, 205, 212, 206, 213, 207, 214, 208, 208, 209, | 
 |   216, 210, 217, 211, 218, 212, 219, 213, 220, 214, 221, 215, 222, 216, 216, | 
 |   217, 224, 218, 225, 219, 226, 220, 227, 221, 228, 222, 229, 223, 230, 224, | 
 |   224, 225, 232, 226, 233, 227, 234, 228, 235, 229, 236, 230, 237, 231, 238, | 
 |   232, 232, 233, 240, 234, 241, 235, 242, 236, 243, 237, 244, 238, 245, 239, | 
 |   246, 240, 240, 241, 248, 242, 249, 243, 250, 244, 251, 245, 252, 246, 253, | 
 |   247, 254, 0,   0 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 mrow_scan_32x8_neighbors[257 * MAX_NEIGHBORS]) = { | 
 |   0,   0,   0,   0,   1,   1,   2,   2,   3,   3,   4,   4,   5,   5,   6, | 
 |   6,   7,   7,   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,  22,  22,  23,  23,  24,  24,  25,  25,  26,  26,  27,  27,  28,  28, | 
 |   29,  29,  30,  30,  0,   0,   1,   32,  2,   33,  3,   34,  4,   35,  5, | 
 |   36,  6,   37,  7,   38,  8,   39,  9,   40,  10,  41,  11,  42,  12,  43, | 
 |   13,  44,  14,  45,  15,  46,  16,  47,  17,  48,  18,  49,  19,  50,  20, | 
 |   51,  21,  52,  22,  53,  23,  54,  24,  55,  25,  56,  26,  57,  27,  58, | 
 |   28,  59,  29,  60,  30,  61,  31,  62,  32,  32,  33,  64,  34,  65,  35, | 
 |   66,  36,  67,  37,  68,  38,  69,  39,  70,  40,  71,  41,  72,  42,  73, | 
 |   43,  74,  44,  75,  45,  76,  46,  77,  47,  78,  48,  79,  49,  80,  50, | 
 |   81,  51,  82,  52,  83,  53,  84,  54,  85,  55,  86,  56,  87,  57,  88, | 
 |   58,  89,  59,  90,  60,  91,  61,  92,  62,  93,  63,  94,  64,  64,  65, | 
 |   96,  66,  97,  67,  98,  68,  99,  69,  100, 70,  101, 71,  102, 72,  103, | 
 |   73,  104, 74,  105, 75,  106, 76,  107, 77,  108, 78,  109, 79,  110, 80, | 
 |   111, 81,  112, 82,  113, 83,  114, 84,  115, 85,  116, 86,  117, 87,  118, | 
 |   88,  119, 89,  120, 90,  121, 91,  122, 92,  123, 93,  124, 94,  125, 95, | 
 |   126, 96,  96,  97,  128, 98,  129, 99,  130, 100, 131, 101, 132, 102, 133, | 
 |   103, 134, 104, 135, 105, 136, 106, 137, 107, 138, 108, 139, 109, 140, 110, | 
 |   141, 111, 142, 112, 143, 113, 144, 114, 145, 115, 146, 116, 147, 117, 148, | 
 |   118, 149, 119, 150, 120, 151, 121, 152, 122, 153, 123, 154, 124, 155, 125, | 
 |   156, 126, 157, 127, 158, 128, 128, 129, 160, 130, 161, 131, 162, 132, 163, | 
 |   133, 164, 134, 165, 135, 166, 136, 167, 137, 168, 138, 169, 139, 170, 140, | 
 |   171, 141, 172, 142, 173, 143, 174, 144, 175, 145, 176, 146, 177, 147, 178, | 
 |   148, 179, 149, 180, 150, 181, 151, 182, 152, 183, 153, 184, 154, 185, 155, | 
 |   186, 156, 187, 157, 188, 158, 189, 159, 190, 160, 160, 161, 192, 162, 193, | 
 |   163, 194, 164, 195, 165, 196, 166, 197, 167, 198, 168, 199, 169, 200, 170, | 
 |   201, 171, 202, 172, 203, 173, 204, 174, 205, 175, 206, 176, 207, 177, 208, | 
 |   178, 209, 179, 210, 180, 211, 181, 212, 182, 213, 183, 214, 184, 215, 185, | 
 |   216, 186, 217, 187, 218, 188, 219, 189, 220, 190, 221, 191, 222, 192, 192, | 
 |   193, 224, 194, 225, 195, 226, 196, 227, 197, 228, 198, 229, 199, 230, 200, | 
 |   231, 201, 232, 202, 233, 203, 234, 204, 235, 205, 236, 206, 237, 207, 238, | 
 |   208, 239, 209, 240, 210, 241, 211, 242, 212, 243, 213, 244, 214, 245, 215, | 
 |   246, 216, 247, 217, 248, 218, 249, 219, 250, 220, 251, 221, 252, 222, 253, | 
 |   223, 254, 0,   0 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 mcol_scan_8x32_neighbors[257 * MAX_NEIGHBORS]) = { | 
 |   0,   0,   0,   0,   8,   8,   16,  16,  24,  24,  32,  32,  40,  40,  48, | 
 |   48,  56,  56,  64,  64,  72,  72,  80,  80,  88,  88,  96,  96,  104, 104, | 
 |   112, 112, 120, 120, 128, 128, 136, 136, 144, 144, 152, 152, 160, 160, 168, | 
 |   168, 176, 176, 184, 184, 192, 192, 200, 200, 208, 208, 216, 216, 224, 224, | 
 |   232, 232, 240, 240, 0,   0,   1,   8,   9,   16,  17,  24,  25,  32,  33, | 
 |   40,  41,  48,  49,  56,  57,  64,  65,  72,  73,  80,  81,  88,  89,  96, | 
 |   97,  104, 105, 112, 113, 120, 121, 128, 129, 136, 137, 144, 145, 152, 153, | 
 |   160, 161, 168, 169, 176, 177, 184, 185, 192, 193, 200, 201, 208, 209, 216, | 
 |   217, 224, 225, 232, 233, 240, 241, 248, 1,   1,   2,   9,   10,  17,  18, | 
 |   25,  26,  33,  34,  41,  42,  49,  50,  57,  58,  65,  66,  73,  74,  81, | 
 |   82,  89,  90,  97,  98,  105, 106, 113, 114, 121, 122, 129, 130, 137, 138, | 
 |   145, 146, 153, 154, 161, 162, 169, 170, 177, 178, 185, 186, 193, 194, 201, | 
 |   202, 209, 210, 217, 218, 225, 226, 233, 234, 241, 242, 249, 2,   2,   3, | 
 |   10,  11,  18,  19,  26,  27,  34,  35,  42,  43,  50,  51,  58,  59,  66, | 
 |   67,  74,  75,  82,  83,  90,  91,  98,  99,  106, 107, 114, 115, 122, 123, | 
 |   130, 131, 138, 139, 146, 147, 154, 155, 162, 163, 170, 171, 178, 179, 186, | 
 |   187, 194, 195, 202, 203, 210, 211, 218, 219, 226, 227, 234, 235, 242, 243, | 
 |   250, 3,   3,   4,   11,  12,  19,  20,  27,  28,  35,  36,  43,  44,  51, | 
 |   52,  59,  60,  67,  68,  75,  76,  83,  84,  91,  92,  99,  100, 107, 108, | 
 |   115, 116, 123, 124, 131, 132, 139, 140, 147, 148, 155, 156, 163, 164, 171, | 
 |   172, 179, 180, 187, 188, 195, 196, 203, 204, 211, 212, 219, 220, 227, 228, | 
 |   235, 236, 243, 244, 251, 4,   4,   5,   12,  13,  20,  21,  28,  29,  36, | 
 |   37,  44,  45,  52,  53,  60,  61,  68,  69,  76,  77,  84,  85,  92,  93, | 
 |   100, 101, 108, 109, 116, 117, 124, 125, 132, 133, 140, 141, 148, 149, 156, | 
 |   157, 164, 165, 172, 173, 180, 181, 188, 189, 196, 197, 204, 205, 212, 213, | 
 |   220, 221, 228, 229, 236, 237, 244, 245, 252, 5,   5,   6,   13,  14,  21, | 
 |   22,  29,  30,  37,  38,  45,  46,  53,  54,  61,  62,  69,  70,  77,  78, | 
 |   85,  86,  93,  94,  101, 102, 109, 110, 117, 118, 125, 126, 133, 134, 141, | 
 |   142, 149, 150, 157, 158, 165, 166, 173, 174, 181, 182, 189, 190, 197, 198, | 
 |   205, 206, 213, 214, 221, 222, 229, 230, 237, 238, 245, 246, 253, 6,   6, | 
 |   7,   14,  15,  22,  23,  30,  31,  38,  39,  46,  47,  54,  55,  62,  63, | 
 |   70,  71,  78,  79,  86,  87,  94,  95,  102, 103, 110, 111, 118, 119, 126, | 
 |   127, 134, 135, 142, 143, 150, 151, 158, 159, 166, 167, 174, 175, 182, 183, | 
 |   190, 191, 198, 199, 206, 207, 214, 215, 222, 223, 230, 231, 238, 239, 246, | 
 |   247, 254, 0,   0 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 mcol_scan_32x8_neighbors[257 * MAX_NEIGHBORS]) = { | 
 |   0,  0,  0,  0,  32, 32, 64, 64,  96,  96,  128, 128, 160, 160, 192, 192, | 
 |   0,  0,  1,  32, 33, 64, 65, 96,  97,  128, 129, 160, 161, 192, 193, 224, | 
 |   1,  1,  2,  33, 34, 65, 66, 97,  98,  129, 130, 161, 162, 193, 194, 225, | 
 |   2,  2,  3,  34, 35, 66, 67, 98,  99,  130, 131, 162, 163, 194, 195, 226, | 
 |   3,  3,  4,  35, 36, 67, 68, 99,  100, 131, 132, 163, 164, 195, 196, 227, | 
 |   4,  4,  5,  36, 37, 68, 69, 100, 101, 132, 133, 164, 165, 196, 197, 228, | 
 |   5,  5,  6,  37, 38, 69, 70, 101, 102, 133, 134, 165, 166, 197, 198, 229, | 
 |   6,  6,  7,  38, 39, 70, 71, 102, 103, 134, 135, 166, 167, 198, 199, 230, | 
 |   7,  7,  8,  39, 40, 71, 72, 103, 104, 135, 136, 167, 168, 199, 200, 231, | 
 |   8,  8,  9,  40, 41, 72, 73, 104, 105, 136, 137, 168, 169, 200, 201, 232, | 
 |   9,  9,  10, 41, 42, 73, 74, 105, 106, 137, 138, 169, 170, 201, 202, 233, | 
 |   10, 10, 11, 42, 43, 74, 75, 106, 107, 138, 139, 170, 171, 202, 203, 234, | 
 |   11, 11, 12, 43, 44, 75, 76, 107, 108, 139, 140, 171, 172, 203, 204, 235, | 
 |   12, 12, 13, 44, 45, 76, 77, 108, 109, 140, 141, 172, 173, 204, 205, 236, | 
 |   13, 13, 14, 45, 46, 77, 78, 109, 110, 141, 142, 173, 174, 205, 206, 237, | 
 |   14, 14, 15, 46, 47, 78, 79, 110, 111, 142, 143, 174, 175, 206, 207, 238, | 
 |   15, 15, 16, 47, 48, 79, 80, 111, 112, 143, 144, 175, 176, 207, 208, 239, | 
 |   16, 16, 17, 48, 49, 80, 81, 112, 113, 144, 145, 176, 177, 208, 209, 240, | 
 |   17, 17, 18, 49, 50, 81, 82, 113, 114, 145, 146, 177, 178, 209, 210, 241, | 
 |   18, 18, 19, 50, 51, 82, 83, 114, 115, 146, 147, 178, 179, 210, 211, 242, | 
 |   19, 19, 20, 51, 52, 83, 84, 115, 116, 147, 148, 179, 180, 211, 212, 243, | 
 |   20, 20, 21, 52, 53, 84, 85, 116, 117, 148, 149, 180, 181, 212, 213, 244, | 
 |   21, 21, 22, 53, 54, 85, 86, 117, 118, 149, 150, 181, 182, 213, 214, 245, | 
 |   22, 22, 23, 54, 55, 86, 87, 118, 119, 150, 151, 182, 183, 214, 215, 246, | 
 |   23, 23, 24, 55, 56, 87, 88, 119, 120, 151, 152, 183, 184, 215, 216, 247, | 
 |   24, 24, 25, 56, 57, 88, 89, 120, 121, 152, 153, 184, 185, 216, 217, 248, | 
 |   25, 25, 26, 57, 58, 89, 90, 121, 122, 153, 154, 185, 186, 217, 218, 249, | 
 |   26, 26, 27, 58, 59, 90, 91, 122, 123, 154, 155, 186, 187, 218, 219, 250, | 
 |   27, 27, 28, 59, 60, 91, 92, 123, 124, 155, 156, 187, 188, 219, 220, 251, | 
 |   28, 28, 29, 60, 61, 92, 93, 124, 125, 156, 157, 188, 189, 220, 221, 252, | 
 |   29, 29, 30, 61, 62, 93, 94, 125, 126, 157, 158, 189, 190, 221, 222, 253, | 
 |   30, 30, 31, 62, 63, 94, 95, 126, 127, 158, 159, 190, 191, 222, 223, 254, | 
 |   0,  0 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 mcol_scan_8x8_neighbors[65 * MAX_NEIGHBORS]) = { | 
 |   0,  0,  0,  0,  8,  8,  16, 16, 24, 24, 32, 32, 40, 40, 48, 48, 0,  0,  1, | 
 |   8,  9,  16, 17, 24, 25, 32, 33, 40, 41, 48, 49, 56, 1,  1,  2,  9,  10, 17, | 
 |   18, 25, 26, 33, 34, 41, 42, 49, 50, 57, 2,  2,  3,  10, 11, 18, 19, 26, 27, | 
 |   34, 35, 42, 43, 50, 51, 58, 3,  3,  4,  11, 12, 19, 20, 27, 28, 35, 36, 43, | 
 |   44, 51, 52, 59, 4,  4,  5,  12, 13, 20, 21, 28, 29, 36, 37, 44, 45, 52, 53, | 
 |   60, 5,  5,  6,  13, 14, 21, 22, 29, 30, 37, 38, 45, 46, 53, 54, 61, 6,  6, | 
 |   7,  14, 15, 22, 23, 30, 31, 38, 39, 46, 47, 54, 55, 62, 0,  0, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 mrow_scan_8x8_neighbors[65 * MAX_NEIGHBORS]) = { | 
 |   0,  0,  0,  0,  1,  1,  2,  2,  3,  3,  4,  4,  5,  5,  6,  6,  0,  0,  1, | 
 |   8,  2,  9,  3,  10, 4,  11, 5,  12, 6,  13, 7,  14, 8,  8,  9,  16, 10, 17, | 
 |   11, 18, 12, 19, 13, 20, 14, 21, 15, 22, 16, 16, 17, 24, 18, 25, 19, 26, 20, | 
 |   27, 21, 28, 22, 29, 23, 30, 24, 24, 25, 32, 26, 33, 27, 34, 28, 35, 29, 36, | 
 |   30, 37, 31, 38, 32, 32, 33, 40, 34, 41, 35, 42, 36, 43, 37, 44, 38, 45, 39, | 
 |   46, 40, 40, 41, 48, 42, 49, 43, 50, 44, 51, 45, 52, 46, 53, 47, 54, 48, 48, | 
 |   49, 56, 50, 57, 51, 58, 52, 59, 53, 60, 54, 61, 55, 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,  2,  2,  2,  9,  9,  16, 16, | 
 |   16, 24, 24, 17, 24, 10, 17, 3,  10, 3,  3,  4,  4,  4,  11, 11, 18, 18, 25, | 
 |   25, 32, 32, 32, 40, 40, 33, 40, 26, 33, 19, 26, 12, 19, 5,  12, 5,  5,  6, | 
 |   6,  6,  13, 13, 20, 20, 27, 27, 34, 34, 41, 41, 48, 48, 48, 49, 56, 42, 49, | 
 |   35, 42, 28, 35, 21, 28, 14, 21, 7,  14, 15, 22, 22, 29, 29, 36, 36, 43, 43, | 
 |   50, 50, 57, 51, 58, 44, 51, 37, 44, 30, 37, 23, 30, 31, 38, 38, 45, 45, 52, | 
 |   52, 59, 53, 60, 46, 53, 39, 46, 47, 54, 54, 61, 55, 62, 0,  0 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 default_scan_8x16_neighbors[129 * MAX_NEIGHBORS]) = { | 
 |   0,   0,   0,   0,   0,   0,   1,   1,   1,   8,   8,   8,   2,   2,   2, | 
 |   9,   9,   16,  16,  16,  3,   3,   3,   10,  10,  17,  17,  24,  24,  24, | 
 |   4,   4,   4,   11,  11,  18,  18,  25,  25,  32,  32,  32,  5,   5,   5, | 
 |   12,  12,  19,  19,  26,  26,  33,  33,  40,  40,  40,  6,   6,   6,   13, | 
 |   13,  20,  20,  27,  27,  34,  34,  41,  41,  48,  48,  48,  7,   14,  14, | 
 |   21,  21,  28,  28,  35,  35,  42,  42,  49,  49,  56,  56,  56,  15,  22, | 
 |   22,  29,  29,  36,  36,  43,  43,  50,  50,  57,  57,  64,  64,  64,  23, | 
 |   30,  30,  37,  37,  44,  44,  51,  51,  58,  58,  65,  65,  72,  72,  72, | 
 |   31,  38,  38,  45,  45,  52,  52,  59,  59,  66,  66,  73,  73,  80,  80, | 
 |   80,  39,  46,  46,  53,  53,  60,  60,  67,  67,  74,  74,  81,  81,  88, | 
 |   88,  88,  47,  54,  54,  61,  61,  68,  68,  75,  75,  82,  82,  89,  89, | 
 |   96,  96,  96,  55,  62,  62,  69,  69,  76,  76,  83,  83,  90,  90,  97, | 
 |   97,  104, 104, 104, 63,  70,  70,  77,  77,  84,  84,  91,  91,  98,  98, | 
 |   105, 105, 112, 112, 112, 71,  78,  78,  85,  85,  92,  92,  99,  99,  106, | 
 |   106, 113, 113, 120, 79,  86,  86,  93,  93,  100, 100, 107, 107, 114, 114, | 
 |   121, 87,  94,  94,  101, 101, 108, 108, 115, 115, 122, 95,  102, 102, 109, | 
 |   109, 116, 116, 123, 103, 110, 110, 117, 117, 124, 111, 118, 118, 125, 119, | 
 |   126, 0,   0 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 default_scan_16x8_neighbors[129 * MAX_NEIGHBORS]) = { | 
 |   0,   0,   0,   0,   0,   0,  1,  1,   1,   16,  16,  16,  2,   2,   2, | 
 |   17,  17,  32,  32,  32,  3,  3,  3,   18,  18,  33,  33,  48,  48,  48, | 
 |   4,   4,   4,   19,  19,  34, 34, 49,  49,  64,  64,  64,  5,   5,   5, | 
 |   20,  20,  35,  35,  50,  50, 65, 65,  80,  80,  80,  6,   6,   6,   21, | 
 |   21,  36,  36,  51,  51,  66, 66, 81,  81,  96,  96,  96,  7,   7,   7, | 
 |   22,  22,  37,  37,  52,  52, 67, 67,  82,  82,  97,  97,  112, 8,   8, | 
 |   8,   23,  23,  38,  38,  53, 53, 68,  68,  83,  83,  98,  98,  113, 9, | 
 |   9,   9,   24,  24,  39,  39, 54, 54,  69,  69,  84,  84,  99,  99,  114, | 
 |   10,  10,  10,  25,  25,  40, 40, 55,  55,  70,  70,  85,  85,  100, 100, | 
 |   115, 11,  11,  11,  26,  26, 41, 41,  56,  56,  71,  71,  86,  86,  101, | 
 |   101, 116, 12,  12,  12,  27, 27, 42,  42,  57,  57,  72,  72,  87,  87, | 
 |   102, 102, 117, 13,  13,  13, 28, 28,  43,  43,  58,  58,  73,  73,  88, | 
 |   88,  103, 103, 118, 14,  14, 14, 29,  29,  44,  44,  59,  59,  74,  74, | 
 |   89,  89,  104, 104, 119, 15, 30, 30,  45,  45,  60,  60,  75,  75,  90, | 
 |   90,  105, 105, 120, 31,  46, 46, 61,  61,  76,  76,  91,  91,  106, 106, | 
 |   121, 47,  62,  62,  77,  77, 92, 92,  107, 107, 122, 63,  78,  78,  93, | 
 |   93,  108, 108, 123, 79,  94, 94, 109, 109, 124, 95,  110, 110, 125, 111, | 
 |   126, 0,   0 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 mcol_scan_8x16_neighbors[129 * MAX_NEIGHBORS]) = { | 
 |   0,  0,  0,  0,  8,  8,  16, 16, 24, 24,  32,  32,  40,  40,  48,  48, | 
 |   56, 56, 64, 64, 72, 72, 80, 80, 88, 88,  96,  96,  104, 104, 112, 112, | 
 |   0,  0,  1,  8,  9,  16, 17, 24, 25, 32,  33,  40,  41,  48,  49,  56, | 
 |   57, 64, 65, 72, 73, 80, 81, 88, 89, 96,  97,  104, 105, 112, 113, 120, | 
 |   1,  1,  2,  9,  10, 17, 18, 25, 26, 33,  34,  41,  42,  49,  50,  57, | 
 |   58, 65, 66, 73, 74, 81, 82, 89, 90, 97,  98,  105, 106, 113, 114, 121, | 
 |   2,  2,  3,  10, 11, 18, 19, 26, 27, 34,  35,  42,  43,  50,  51,  58, | 
 |   59, 66, 67, 74, 75, 82, 83, 90, 91, 98,  99,  106, 107, 114, 115, 122, | 
 |   3,  3,  4,  11, 12, 19, 20, 27, 28, 35,  36,  43,  44,  51,  52,  59, | 
 |   60, 67, 68, 75, 76, 83, 84, 91, 92, 99,  100, 107, 108, 115, 116, 123, | 
 |   4,  4,  5,  12, 13, 20, 21, 28, 29, 36,  37,  44,  45,  52,  53,  60, | 
 |   61, 68, 69, 76, 77, 84, 85, 92, 93, 100, 101, 108, 109, 116, 117, 124, | 
 |   5,  5,  6,  13, 14, 21, 22, 29, 30, 37,  38,  45,  46,  53,  54,  61, | 
 |   62, 69, 70, 77, 78, 85, 86, 93, 94, 101, 102, 109, 110, 117, 118, 125, | 
 |   6,  6,  7,  14, 15, 22, 23, 30, 31, 38,  39,  46,  47,  54,  55,  62, | 
 |   63, 70, 71, 78, 79, 86, 87, 94, 95, 102, 103, 110, 111, 118, 119, 126, | 
 |   0,  0 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 mcol_scan_16x8_neighbors[129 * MAX_NEIGHBORS]) = { | 
 |   0,  0,  0,  0,  16, 16, 32, 32, 48, 48, 64, 64, 80, 80,  96,  96, | 
 |   0,  0,  1,  16, 17, 32, 33, 48, 49, 64, 65, 80, 81, 96,  97,  112, | 
 |   1,  1,  2,  17, 18, 33, 34, 49, 50, 65, 66, 81, 82, 97,  98,  113, | 
 |   2,  2,  3,  18, 19, 34, 35, 50, 51, 66, 67, 82, 83, 98,  99,  114, | 
 |   3,  3,  4,  19, 20, 35, 36, 51, 52, 67, 68, 83, 84, 99,  100, 115, | 
 |   4,  4,  5,  20, 21, 36, 37, 52, 53, 68, 69, 84, 85, 100, 101, 116, | 
 |   5,  5,  6,  21, 22, 37, 38, 53, 54, 69, 70, 85, 86, 101, 102, 117, | 
 |   6,  6,  7,  22, 23, 38, 39, 54, 55, 70, 71, 86, 87, 102, 103, 118, | 
 |   7,  7,  8,  23, 24, 39, 40, 55, 56, 71, 72, 87, 88, 103, 104, 119, | 
 |   8,  8,  9,  24, 25, 40, 41, 56, 57, 72, 73, 88, 89, 104, 105, 120, | 
 |   9,  9,  10, 25, 26, 41, 42, 57, 58, 73, 74, 89, 90, 105, 106, 121, | 
 |   10, 10, 11, 26, 27, 42, 43, 58, 59, 74, 75, 90, 91, 106, 107, 122, | 
 |   11, 11, 12, 27, 28, 43, 44, 59, 60, 75, 76, 91, 92, 107, 108, 123, | 
 |   12, 12, 13, 28, 29, 44, 45, 60, 61, 76, 77, 92, 93, 108, 109, 124, | 
 |   13, 13, 14, 29, 30, 45, 46, 61, 62, 77, 78, 93, 94, 109, 110, 125, | 
 |   14, 14, 15, 30, 31, 46, 47, 62, 63, 78, 79, 94, 95, 110, 111, 126, | 
 |   0,  0 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 mrow_scan_8x16_neighbors[129 * MAX_NEIGHBORS]) = { | 
 |   0,   0,   0,   0,   1,   1,   2,   2,   3,   3,   4,   4,   5,   5,   6, | 
 |   6,   0,   0,   1,   8,   2,   9,   3,   10,  4,   11,  5,   12,  6,   13, | 
 |   7,   14,  8,   8,   9,   16,  10,  17,  11,  18,  12,  19,  13,  20,  14, | 
 |   21,  15,  22,  16,  16,  17,  24,  18,  25,  19,  26,  20,  27,  21,  28, | 
 |   22,  29,  23,  30,  24,  24,  25,  32,  26,  33,  27,  34,  28,  35,  29, | 
 |   36,  30,  37,  31,  38,  32,  32,  33,  40,  34,  41,  35,  42,  36,  43, | 
 |   37,  44,  38,  45,  39,  46,  40,  40,  41,  48,  42,  49,  43,  50,  44, | 
 |   51,  45,  52,  46,  53,  47,  54,  48,  48,  49,  56,  50,  57,  51,  58, | 
 |   52,  59,  53,  60,  54,  61,  55,  62,  56,  56,  57,  64,  58,  65,  59, | 
 |   66,  60,  67,  61,  68,  62,  69,  63,  70,  64,  64,  65,  72,  66,  73, | 
 |   67,  74,  68,  75,  69,  76,  70,  77,  71,  78,  72,  72,  73,  80,  74, | 
 |   81,  75,  82,  76,  83,  77,  84,  78,  85,  79,  86,  80,  80,  81,  88, | 
 |   82,  89,  83,  90,  84,  91,  85,  92,  86,  93,  87,  94,  88,  88,  89, | 
 |   96,  90,  97,  91,  98,  92,  99,  93,  100, 94,  101, 95,  102, 96,  96, | 
 |   97,  104, 98,  105, 99,  106, 100, 107, 101, 108, 102, 109, 103, 110, 104, | 
 |   104, 105, 112, 106, 113, 107, 114, 108, 115, 109, 116, 110, 117, 111, 118, | 
 |   112, 112, 113, 120, 114, 121, 115, 122, 116, 123, 117, 124, 118, 125, 119, | 
 |   126, 0,   0 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 mrow_scan_16x8_neighbors[129 * MAX_NEIGHBORS]) = { | 
 |   0,   0,   0,   0,   1,   1,   2,   2,   3,   3,   4,   4,   5,   5,   6, | 
 |   6,   7,   7,   8,   8,   9,   9,   10,  10,  11,  11,  12,  12,  13,  13, | 
 |   14,  14,  0,   0,   1,   16,  2,   17,  3,   18,  4,   19,  5,   20,  6, | 
 |   21,  7,   22,  8,   23,  9,   24,  10,  25,  11,  26,  12,  27,  13,  28, | 
 |   14,  29,  15,  30,  16,  16,  17,  32,  18,  33,  19,  34,  20,  35,  21, | 
 |   36,  22,  37,  23,  38,  24,  39,  25,  40,  26,  41,  27,  42,  28,  43, | 
 |   29,  44,  30,  45,  31,  46,  32,  32,  33,  48,  34,  49,  35,  50,  36, | 
 |   51,  37,  52,  38,  53,  39,  54,  40,  55,  41,  56,  42,  57,  43,  58, | 
 |   44,  59,  45,  60,  46,  61,  47,  62,  48,  48,  49,  64,  50,  65,  51, | 
 |   66,  52,  67,  53,  68,  54,  69,  55,  70,  56,  71,  57,  72,  58,  73, | 
 |   59,  74,  60,  75,  61,  76,  62,  77,  63,  78,  64,  64,  65,  80,  66, | 
 |   81,  67,  82,  68,  83,  69,  84,  70,  85,  71,  86,  72,  87,  73,  88, | 
 |   74,  89,  75,  90,  76,  91,  77,  92,  78,  93,  79,  94,  80,  80,  81, | 
 |   96,  82,  97,  83,  98,  84,  99,  85,  100, 86,  101, 87,  102, 88,  103, | 
 |   89,  104, 90,  105, 91,  106, 92,  107, 93,  108, 94,  109, 95,  110, 96, | 
 |   96,  97,  112, 98,  113, 99,  114, 100, 115, 101, 116, 102, 117, 103, 118, | 
 |   104, 119, 105, 120, 106, 121, 107, 122, 108, 123, 109, 124, 110, 125, 111, | 
 |   126, 0,   0 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 default_scan_16x32_neighbors[513 * MAX_NEIGHBORS]) = { | 
 |   0,   0,   0,   0,   0,   0,   1,   1,   1,   16,  16,  16,  2,   2,   2, | 
 |   17,  17,  32,  32,  32,  3,   3,   3,   18,  18,  33,  33,  48,  48,  48, | 
 |   4,   4,   4,   19,  19,  34,  34,  49,  49,  64,  64,  64,  5,   5,   5, | 
 |   20,  20,  35,  35,  50,  50,  65,  65,  80,  80,  80,  6,   6,   6,   21, | 
 |   21,  36,  36,  51,  51,  66,  66,  81,  81,  96,  96,  96,  7,   7,   7, | 
 |   22,  22,  37,  37,  52,  52,  67,  67,  82,  82,  97,  97,  112, 112, 112, | 
 |   8,   8,   8,   23,  23,  38,  38,  53,  53,  68,  68,  83,  83,  98,  98, | 
 |   113, 113, 128, 128, 128, 9,   9,   9,   24,  24,  39,  39,  54,  54,  69, | 
 |   69,  84,  84,  99,  99,  114, 114, 129, 129, 144, 144, 144, 10,  10,  10, | 
 |   25,  25,  40,  40,  55,  55,  70,  70,  85,  85,  100, 100, 115, 115, 130, | 
 |   130, 145, 145, 160, 160, 160, 11,  11,  11,  26,  26,  41,  41,  56,  56, | 
 |   71,  71,  86,  86,  101, 101, 116, 116, 131, 131, 146, 146, 161, 161, 176, | 
 |   176, 176, 12,  12,  12,  27,  27,  42,  42,  57,  57,  72,  72,  87,  87, | 
 |   102, 102, 117, 117, 132, 132, 147, 147, 162, 162, 177, 177, 192, 192, 192, | 
 |   13,  13,  13,  28,  28,  43,  43,  58,  58,  73,  73,  88,  88,  103, 103, | 
 |   118, 118, 133, 133, 148, 148, 163, 163, 178, 178, 193, 193, 208, 208, 208, | 
 |   14,  14,  14,  29,  29,  44,  44,  59,  59,  74,  74,  89,  89,  104, 104, | 
 |   119, 119, 134, 134, 149, 149, 164, 164, 179, 179, 194, 194, 209, 209, 224, | 
 |   224, 224, 15,  30,  30,  45,  45,  60,  60,  75,  75,  90,  90,  105, 105, | 
 |   120, 120, 135, 135, 150, 150, 165, 165, 180, 180, 195, 195, 210, 210, 225, | 
 |   225, 240, 240, 240, 31,  46,  46,  61,  61,  76,  76,  91,  91,  106, 106, | 
 |   121, 121, 136, 136, 151, 151, 166, 166, 181, 181, 196, 196, 211, 211, 226, | 
 |   226, 241, 241, 256, 256, 256, 47,  62,  62,  77,  77,  92,  92,  107, 107, | 
 |   122, 122, 137, 137, 152, 152, 167, 167, 182, 182, 197, 197, 212, 212, 227, | 
 |   227, 242, 242, 257, 257, 272, 272, 272, 63,  78,  78,  93,  93,  108, 108, | 
 |   123, 123, 138, 138, 153, 153, 168, 168, 183, 183, 198, 198, 213, 213, 228, | 
 |   228, 243, 243, 258, 258, 273, 273, 288, 288, 288, 79,  94,  94,  109, 109, | 
 |   124, 124, 139, 139, 154, 154, 169, 169, 184, 184, 199, 199, 214, 214, 229, | 
 |   229, 244, 244, 259, 259, 274, 274, 289, 289, 304, 304, 304, 95,  110, 110, | 
 |   125, 125, 140, 140, 155, 155, 170, 170, 185, 185, 200, 200, 215, 215, 230, | 
 |   230, 245, 245, 260, 260, 275, 275, 290, 290, 305, 305, 320, 320, 320, 111, | 
 |   126, 126, 141, 141, 156, 156, 171, 171, 186, 186, 201, 201, 216, 216, 231, | 
 |   231, 246, 246, 261, 261, 276, 276, 291, 291, 306, 306, 321, 321, 336, 336, | 
 |   336, 127, 142, 142, 157, 157, 172, 172, 187, 187, 202, 202, 217, 217, 232, | 
 |   232, 247, 247, 262, 262, 277, 277, 292, 292, 307, 307, 322, 322, 337, 337, | 
 |   352, 352, 352, 143, 158, 158, 173, 173, 188, 188, 203, 203, 218, 218, 233, | 
 |   233, 248, 248, 263, 263, 278, 278, 293, 293, 308, 308, 323, 323, 338, 338, | 
 |   353, 353, 368, 368, 368, 159, 174, 174, 189, 189, 204, 204, 219, 219, 234, | 
 |   234, 249, 249, 264, 264, 279, 279, 294, 294, 309, 309, 324, 324, 339, 339, | 
 |   354, 354, 369, 369, 384, 384, 384, 175, 190, 190, 205, 205, 220, 220, 235, | 
 |   235, 250, 250, 265, 265, 280, 280, 295, 295, 310, 310, 325, 325, 340, 340, | 
 |   355, 355, 370, 370, 385, 385, 400, 400, 400, 191, 206, 206, 221, 221, 236, | 
 |   236, 251, 251, 266, 266, 281, 281, 296, 296, 311, 311, 326, 326, 341, 341, | 
 |   356, 356, 371, 371, 386, 386, 401, 401, 416, 416, 416, 207, 222, 222, 237, | 
 |   237, 252, 252, 267, 267, 282, 282, 297, 297, 312, 312, 327, 327, 342, 342, | 
 |   357, 357, 372, 372, 387, 387, 402, 402, 417, 417, 432, 432, 432, 223, 238, | 
 |   238, 253, 253, 268, 268, 283, 283, 298, 298, 313, 313, 328, 328, 343, 343, | 
 |   358, 358, 373, 373, 388, 388, 403, 403, 418, 418, 433, 433, 448, 448, 448, | 
 |   239, 254, 254, 269, 269, 284, 284, 299, 299, 314, 314, 329, 329, 344, 344, | 
 |   359, 359, 374, 374, 389, 389, 404, 404, 419, 419, 434, 434, 449, 449, 464, | 
 |   464, 464, 255, 270, 270, 285, 285, 300, 300, 315, 315, 330, 330, 345, 345, | 
 |   360, 360, 375, 375, 390, 390, 405, 405, 420, 420, 435, 435, 450, 450, 465, | 
 |   465, 480, 480, 480, 271, 286, 286, 301, 301, 316, 316, 331, 331, 346, 346, | 
 |   361, 361, 376, 376, 391, 391, 406, 406, 421, 421, 436, 436, 451, 451, 466, | 
 |   466, 481, 481, 496, 287, 302, 302, 317, 317, 332, 332, 347, 347, 362, 362, | 
 |   377, 377, 392, 392, 407, 407, 422, 422, 437, 437, 452, 452, 467, 467, 482, | 
 |   482, 497, 303, 318, 318, 333, 333, 348, 348, 363, 363, 378, 378, 393, 393, | 
 |   408, 408, 423, 423, 438, 438, 453, 453, 468, 468, 483, 483, 498, 319, 334, | 
 |   334, 349, 349, 364, 364, 379, 379, 394, 394, 409, 409, 424, 424, 439, 439, | 
 |   454, 454, 469, 469, 484, 484, 499, 335, 350, 350, 365, 365, 380, 380, 395, | 
 |   395, 410, 410, 425, 425, 440, 440, 455, 455, 470, 470, 485, 485, 500, 351, | 
 |   366, 366, 381, 381, 396, 396, 411, 411, 426, 426, 441, 441, 456, 456, 471, | 
 |   471, 486, 486, 501, 367, 382, 382, 397, 397, 412, 412, 427, 427, 442, 442, | 
 |   457, 457, 472, 472, 487, 487, 502, 383, 398, 398, 413, 413, 428, 428, 443, | 
 |   443, 458, 458, 473, 473, 488, 488, 503, 399, 414, 414, 429, 429, 444, 444, | 
 |   459, 459, 474, 474, 489, 489, 504, 415, 430, 430, 445, 445, 460, 460, 475, | 
 |   475, 490, 490, 505, 431, 446, 446, 461, 461, 476, 476, 491, 491, 506, 447, | 
 |   462, 462, 477, 477, 492, 492, 507, 463, 478, 478, 493, 493, 508, 479, 494, | 
 |   494, 509, 495, 510, 0,   0 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 default_scan_32x16_neighbors[513 * MAX_NEIGHBORS]) = { | 
 |   0,   0,   0,   0,   0,   0,   1,   1,   1,   32,  32,  32,  2,   2,   2, | 
 |   33,  33,  64,  64,  64,  3,   3,   3,   34,  34,  65,  65,  96,  96,  96, | 
 |   4,   4,   4,   35,  35,  66,  66,  97,  97,  128, 128, 128, 5,   5,   5, | 
 |   36,  36,  67,  67,  98,  98,  129, 129, 160, 160, 160, 6,   6,   6,   37, | 
 |   37,  68,  68,  99,  99,  130, 130, 161, 161, 192, 192, 192, 7,   7,   7, | 
 |   38,  38,  69,  69,  100, 100, 131, 131, 162, 162, 193, 193, 224, 224, 224, | 
 |   8,   8,   8,   39,  39,  70,  70,  101, 101, 132, 132, 163, 163, 194, 194, | 
 |   225, 225, 256, 256, 256, 9,   9,   9,   40,  40,  71,  71,  102, 102, 133, | 
 |   133, 164, 164, 195, 195, 226, 226, 257, 257, 288, 288, 288, 10,  10,  10, | 
 |   41,  41,  72,  72,  103, 103, 134, 134, 165, 165, 196, 196, 227, 227, 258, | 
 |   258, 289, 289, 320, 320, 320, 11,  11,  11,  42,  42,  73,  73,  104, 104, | 
 |   135, 135, 166, 166, 197, 197, 228, 228, 259, 259, 290, 290, 321, 321, 352, | 
 |   352, 352, 12,  12,  12,  43,  43,  74,  74,  105, 105, 136, 136, 167, 167, | 
 |   198, 198, 229, 229, 260, 260, 291, 291, 322, 322, 353, 353, 384, 384, 384, | 
 |   13,  13,  13,  44,  44,  75,  75,  106, 106, 137, 137, 168, 168, 199, 199, | 
 |   230, 230, 261, 261, 292, 292, 323, 323, 354, 354, 385, 385, 416, 416, 416, | 
 |   14,  14,  14,  45,  45,  76,  76,  107, 107, 138, 138, 169, 169, 200, 200, | 
 |   231, 231, 262, 262, 293, 293, 324, 324, 355, 355, 386, 386, 417, 417, 448, | 
 |   448, 448, 15,  15,  15,  46,  46,  77,  77,  108, 108, 139, 139, 170, 170, | 
 |   201, 201, 232, 232, 263, 263, 294, 294, 325, 325, 356, 356, 387, 387, 418, | 
 |   418, 449, 449, 480, 16,  16,  16,  47,  47,  78,  78,  109, 109, 140, 140, | 
 |   171, 171, 202, 202, 233, 233, 264, 264, 295, 295, 326, 326, 357, 357, 388, | 
 |   388, 419, 419, 450, 450, 481, 17,  17,  17,  48,  48,  79,  79,  110, 110, | 
 |   141, 141, 172, 172, 203, 203, 234, 234, 265, 265, 296, 296, 327, 327, 358, | 
 |   358, 389, 389, 420, 420, 451, 451, 482, 18,  18,  18,  49,  49,  80,  80, | 
 |   111, 111, 142, 142, 173, 173, 204, 204, 235, 235, 266, 266, 297, 297, 328, | 
 |   328, 359, 359, 390, 390, 421, 421, 452, 452, 483, 19,  19,  19,  50,  50, | 
 |   81,  81,  112, 112, 143, 143, 174, 174, 205, 205, 236, 236, 267, 267, 298, | 
 |   298, 329, 329, 360, 360, 391, 391, 422, 422, 453, 453, 484, 20,  20,  20, | 
 |   51,  51,  82,  82,  113, 113, 144, 144, 175, 175, 206, 206, 237, 237, 268, | 
 |   268, 299, 299, 330, 330, 361, 361, 392, 392, 423, 423, 454, 454, 485, 21, | 
 |   21,  21,  52,  52,  83,  83,  114, 114, 145, 145, 176, 176, 207, 207, 238, | 
 |   238, 269, 269, 300, 300, 331, 331, 362, 362, 393, 393, 424, 424, 455, 455, | 
 |   486, 22,  22,  22,  53,  53,  84,  84,  115, 115, 146, 146, 177, 177, 208, | 
 |   208, 239, 239, 270, 270, 301, 301, 332, 332, 363, 363, 394, 394, 425, 425, | 
 |   456, 456, 487, 23,  23,  23,  54,  54,  85,  85,  116, 116, 147, 147, 178, | 
 |   178, 209, 209, 240, 240, 271, 271, 302, 302, 333, 333, 364, 364, 395, 395, | 
 |   426, 426, 457, 457, 488, 24,  24,  24,  55,  55,  86,  86,  117, 117, 148, | 
 |   148, 179, 179, 210, 210, 241, 241, 272, 272, 303, 303, 334, 334, 365, 365, | 
 |   396, 396, 427, 427, 458, 458, 489, 25,  25,  25,  56,  56,  87,  87,  118, | 
 |   118, 149, 149, 180, 180, 211, 211, 242, 242, 273, 273, 304, 304, 335, 335, | 
 |   366, 366, 397, 397, 428, 428, 459, 459, 490, 26,  26,  26,  57,  57,  88, | 
 |   88,  119, 119, 150, 150, 181, 181, 212, 212, 243, 243, 274, 274, 305, 305, | 
 |   336, 336, 367, 367, 398, 398, 429, 429, 460, 460, 491, 27,  27,  27,  58, | 
 |   58,  89,  89,  120, 120, 151, 151, 182, 182, 213, 213, 244, 244, 275, 275, | 
 |   306, 306, 337, 337, 368, 368, 399, 399, 430, 430, 461, 461, 492, 28,  28, | 
 |   28,  59,  59,  90,  90,  121, 121, 152, 152, 183, 183, 214, 214, 245, 245, | 
 |   276, 276, 307, 307, 338, 338, 369, 369, 400, 400, 431, 431, 462, 462, 493, | 
 |   29,  29,  29,  60,  60,  91,  91,  122, 122, 153, 153, 184, 184, 215, 215, | 
 |   246, 246, 277, 277, 308, 308, 339, 339, 370, 370, 401, 401, 432, 432, 463, | 
 |   463, 494, 30,  30,  30,  61,  61,  92,  92,  123, 123, 154, 154, 185, 185, | 
 |   216, 216, 247, 247, 278, 278, 309, 309, 340, 340, 371, 371, 402, 402, 433, | 
 |   433, 464, 464, 495, 31,  62,  62,  93,  93,  124, 124, 155, 155, 186, 186, | 
 |   217, 217, 248, 248, 279, 279, 310, 310, 341, 341, 372, 372, 403, 403, 434, | 
 |   434, 465, 465, 496, 63,  94,  94,  125, 125, 156, 156, 187, 187, 218, 218, | 
 |   249, 249, 280, 280, 311, 311, 342, 342, 373, 373, 404, 404, 435, 435, 466, | 
 |   466, 497, 95,  126, 126, 157, 157, 188, 188, 219, 219, 250, 250, 281, 281, | 
 |   312, 312, 343, 343, 374, 374, 405, 405, 436, 436, 467, 467, 498, 127, 158, | 
 |   158, 189, 189, 220, 220, 251, 251, 282, 282, 313, 313, 344, 344, 375, 375, | 
 |   406, 406, 437, 437, 468, 468, 499, 159, 190, 190, 221, 221, 252, 252, 283, | 
 |   283, 314, 314, 345, 345, 376, 376, 407, 407, 438, 438, 469, 469, 500, 191, | 
 |   222, 222, 253, 253, 284, 284, 315, 315, 346, 346, 377, 377, 408, 408, 439, | 
 |   439, 470, 470, 501, 223, 254, 254, 285, 285, 316, 316, 347, 347, 378, 378, | 
 |   409, 409, 440, 440, 471, 471, 502, 255, 286, 286, 317, 317, 348, 348, 379, | 
 |   379, 410, 410, 441, 441, 472, 472, 503, 287, 318, 318, 349, 349, 380, 380, | 
 |   411, 411, 442, 442, 473, 473, 504, 319, 350, 350, 381, 381, 412, 412, 443, | 
 |   443, 474, 474, 505, 351, 382, 382, 413, 413, 444, 444, 475, 475, 506, 383, | 
 |   414, 414, 445, 445, 476, 476, 507, 415, 446, 446, 477, 477, 508, 447, 478, | 
 |   478, 509, 479, 510, 0,   0 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 mcol_scan_16x32_neighbors[513 * MAX_NEIGHBORS]) = { | 
 |   0,   0,   0,   0,   16,  16,  32,  32,  48,  48,  64,  64,  80,  80,  96, | 
 |   96,  112, 112, 128, 128, 144, 144, 160, 160, 176, 176, 192, 192, 208, 208, | 
 |   224, 224, 240, 240, 256, 256, 272, 272, 288, 288, 304, 304, 320, 320, 336, | 
 |   336, 352, 352, 368, 368, 384, 384, 400, 400, 416, 416, 432, 432, 448, 448, | 
 |   464, 464, 480, 480, 0,   0,   1,   16,  17,  32,  33,  48,  49,  64,  65, | 
 |   80,  81,  96,  97,  112, 113, 128, 129, 144, 145, 160, 161, 176, 177, 192, | 
 |   193, 208, 209, 224, 225, 240, 241, 256, 257, 272, 273, 288, 289, 304, 305, | 
 |   320, 321, 336, 337, 352, 353, 368, 369, 384, 385, 400, 401, 416, 417, 432, | 
 |   433, 448, 449, 464, 465, 480, 481, 496, 1,   1,   2,   17,  18,  33,  34, | 
 |   49,  50,  65,  66,  81,  82,  97,  98,  113, 114, 129, 130, 145, 146, 161, | 
 |   162, 177, 178, 193, 194, 209, 210, 225, 226, 241, 242, 257, 258, 273, 274, | 
 |   289, 290, 305, 306, 321, 322, 337, 338, 353, 354, 369, 370, 385, 386, 401, | 
 |   402, 417, 418, 433, 434, 449, 450, 465, 466, 481, 482, 497, 2,   2,   3, | 
 |   18,  19,  34,  35,  50,  51,  66,  67,  82,  83,  98,  99,  114, 115, 130, | 
 |   131, 146, 147, 162, 163, 178, 179, 194, 195, 210, 211, 226, 227, 242, 243, | 
 |   258, 259, 274, 275, 290, 291, 306, 307, 322, 323, 338, 339, 354, 355, 370, | 
 |   371, 386, 387, 402, 403, 418, 419, 434, 435, 450, 451, 466, 467, 482, 483, | 
 |   498, 3,   3,   4,   19,  20,  35,  36,  51,  52,  67,  68,  83,  84,  99, | 
 |   100, 115, 116, 131, 132, 147, 148, 163, 164, 179, 180, 195, 196, 211, 212, | 
 |   227, 228, 243, 244, 259, 260, 275, 276, 291, 292, 307, 308, 323, 324, 339, | 
 |   340, 355, 356, 371, 372, 387, 388, 403, 404, 419, 420, 435, 436, 451, 452, | 
 |   467, 468, 483, 484, 499, 4,   4,   5,   20,  21,  36,  37,  52,  53,  68, | 
 |   69,  84,  85,  100, 101, 116, 117, 132, 133, 148, 149, 164, 165, 180, 181, | 
 |   196, 197, 212, 213, 228, 229, 244, 245, 260, 261, 276, 277, 292, 293, 308, | 
 |   309, 324, 325, 340, 341, 356, 357, 372, 373, 388, 389, 404, 405, 420, 421, | 
 |   436, 437, 452, 453, 468, 469, 484, 485, 500, 5,   5,   6,   21,  22,  37, | 
 |   38,  53,  54,  69,  70,  85,  86,  101, 102, 117, 118, 133, 134, 149, 150, | 
 |   165, 166, 181, 182, 197, 198, 213, 214, 229, 230, 245, 246, 261, 262, 277, | 
 |   278, 293, 294, 309, 310, 325, 326, 341, 342, 357, 358, 373, 374, 389, 390, | 
 |   405, 406, 421, 422, 437, 438, 453, 454, 469, 470, 485, 486, 501, 6,   6, | 
 |   7,   22,  23,  38,  39,  54,  55,  70,  71,  86,  87,  102, 103, 118, 119, | 
 |   134, 135, 150, 151, 166, 167, 182, 183, 198, 199, 214, 215, 230, 231, 246, | 
 |   247, 262, 263, 278, 279, 294, 295, 310, 311, 326, 327, 342, 343, 358, 359, | 
 |   374, 375, 390, 391, 406, 407, 422, 423, 438, 439, 454, 455, 470, 471, 486, | 
 |   487, 502, 7,   7,   8,   23,  24,  39,  40,  55,  56,  71,  72,  87,  88, | 
 |   103, 104, 119, 120, 135, 136, 151, 152, 167, 168, 183, 184, 199, 200, 215, | 
 |   216, 231, 232, 247, 248, 263, 264, 279, 280, 295, 296, 311, 312, 327, 328, | 
 |   343, 344, 359, 360, 375, 376, 391, 392, 407, 408, 423, 424, 439, 440, 455, | 
 |   456, 471, 472, 487, 488, 503, 8,   8,   9,   24,  25,  40,  41,  56,  57, | 
 |   72,  73,  88,  89,  104, 105, 120, 121, 136, 137, 152, 153, 168, 169, 184, | 
 |   185, 200, 201, 216, 217, 232, 233, 248, 249, 264, 265, 280, 281, 296, 297, | 
 |   312, 313, 328, 329, 344, 345, 360, 361, 376, 377, 392, 393, 408, 409, 424, | 
 |   425, 440, 441, 456, 457, 472, 473, 488, 489, 504, 9,   9,   10,  25,  26, | 
 |   41,  42,  57,  58,  73,  74,  89,  90,  105, 106, 121, 122, 137, 138, 153, | 
 |   154, 169, 170, 185, 186, 201, 202, 217, 218, 233, 234, 249, 250, 265, 266, | 
 |   281, 282, 297, 298, 313, 314, 329, 330, 345, 346, 361, 362, 377, 378, 393, | 
 |   394, 409, 410, 425, 426, 441, 442, 457, 458, 473, 474, 489, 490, 505, 10, | 
 |   10,  11,  26,  27,  42,  43,  58,  59,  74,  75,  90,  91,  106, 107, 122, | 
 |   123, 138, 139, 154, 155, 170, 171, 186, 187, 202, 203, 218, 219, 234, 235, | 
 |   250, 251, 266, 267, 282, 283, 298, 299, 314, 315, 330, 331, 346, 347, 362, | 
 |   363, 378, 379, 394, 395, 410, 411, 426, 427, 442, 443, 458, 459, 474, 475, | 
 |   490, 491, 506, 11,  11,  12,  27,  28,  43,  44,  59,  60,  75,  76,  91, | 
 |   92,  107, 108, 123, 124, 139, 140, 155, 156, 171, 172, 187, 188, 203, 204, | 
 |   219, 220, 235, 236, 251, 252, 267, 268, 283, 284, 299, 300, 315, 316, 331, | 
 |   332, 347, 348, 363, 364, 379, 380, 395, 396, 411, 412, 427, 428, 443, 444, | 
 |   459, 460, 475, 476, 491, 492, 507, 12,  12,  13,  28,  29,  44,  45,  60, | 
 |   61,  76,  77,  92,  93,  108, 109, 124, 125, 140, 141, 156, 157, 172, 173, | 
 |   188, 189, 204, 205, 220, 221, 236, 237, 252, 253, 268, 269, 284, 285, 300, | 
 |   301, 316, 317, 332, 333, 348, 349, 364, 365, 380, 381, 396, 397, 412, 413, | 
 |   428, 429, 444, 445, 460, 461, 476, 477, 492, 493, 508, 13,  13,  14,  29, | 
 |   30,  45,  46,  61,  62,  77,  78,  93,  94,  109, 110, 125, 126, 141, 142, | 
 |   157, 158, 173, 174, 189, 190, 205, 206, 221, 222, 237, 238, 253, 254, 269, | 
 |   270, 285, 286, 301, 302, 317, 318, 333, 334, 349, 350, 365, 366, 381, 382, | 
 |   397, 398, 413, 414, 429, 430, 445, 446, 461, 462, 477, 478, 493, 494, 509, | 
 |   14,  14,  15,  30,  31,  46,  47,  62,  63,  78,  79,  94,  95,  110, 111, | 
 |   126, 127, 142, 143, 158, 159, 174, 175, 190, 191, 206, 207, 222, 223, 238, | 
 |   239, 254, 255, 270, 271, 286, 287, 302, 303, 318, 319, 334, 335, 350, 351, | 
 |   366, 367, 382, 383, 398, 399, 414, 415, 430, 431, 446, 447, 462, 463, 478, | 
 |   479, 494, 495, 510, 0,   0 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 mcol_scan_32x16_neighbors[513 * MAX_NEIGHBORS]) = { | 
 |   0,   0,   0,   0,   32,  32,  64,  64,  96,  96,  128, 128, 160, 160, 192, | 
 |   192, 224, 224, 256, 256, 288, 288, 320, 320, 352, 352, 384, 384, 416, 416, | 
 |   448, 448, 0,   0,   1,   32,  33,  64,  65,  96,  97,  128, 129, 160, 161, | 
 |   192, 193, 224, 225, 256, 257, 288, 289, 320, 321, 352, 353, 384, 385, 416, | 
 |   417, 448, 449, 480, 1,   1,   2,   33,  34,  65,  66,  97,  98,  129, 130, | 
 |   161, 162, 193, 194, 225, 226, 257, 258, 289, 290, 321, 322, 353, 354, 385, | 
 |   386, 417, 418, 449, 450, 481, 2,   2,   3,   34,  35,  66,  67,  98,  99, | 
 |   130, 131, 162, 163, 194, 195, 226, 227, 258, 259, 290, 291, 322, 323, 354, | 
 |   355, 386, 387, 418, 419, 450, 451, 482, 3,   3,   4,   35,  36,  67,  68, | 
 |   99,  100, 131, 132, 163, 164, 195, 196, 227, 228, 259, 260, 291, 292, 323, | 
 |   324, 355, 356, 387, 388, 419, 420, 451, 452, 483, 4,   4,   5,   36,  37, | 
 |   68,  69,  100, 101, 132, 133, 164, 165, 196, 197, 228, 229, 260, 261, 292, | 
 |   293, 324, 325, 356, 357, 388, 389, 420, 421, 452, 453, 484, 5,   5,   6, | 
 |   37,  38,  69,  70,  101, 102, 133, 134, 165, 166, 197, 198, 229, 230, 261, | 
 |   262, 293, 294, 325, 326, 357, 358, 389, 390, 421, 422, 453, 454, 485, 6, | 
 |   6,   7,   38,  39,  70,  71,  102, 103, 134, 135, 166, 167, 198, 199, 230, | 
 |   231, 262, 263, 294, 295, 326, 327, 358, 359, 390, 391, 422, 423, 454, 455, | 
 |   486, 7,   7,   8,   39,  40,  71,  72,  103, 104, 135, 136, 167, 168, 199, | 
 |   200, 231, 232, 263, 264, 295, 296, 327, 328, 359, 360, 391, 392, 423, 424, | 
 |   455, 456, 487, 8,   8,   9,   40,  41,  72,  73,  104, 105, 136, 137, 168, | 
 |   169, 200, 201, 232, 233, 264, 265, 296, 297, 328, 329, 360, 361, 392, 393, | 
 |   424, 425, 456, 457, 488, 9,   9,   10,  41,  42,  73,  74,  105, 106, 137, | 
 |   138, 169, 170, 201, 202, 233, 234, 265, 266, 297, 298, 329, 330, 361, 362, | 
 |   393, 394, 425, 426, 457, 458, 489, 10,  10,  11,  42,  43,  74,  75,  106, | 
 |   107, 138, 139, 170, 171, 202, 203, 234, 235, 266, 267, 298, 299, 330, 331, | 
 |   362, 363, 394, 395, 426, 427, 458, 459, 490, 11,  11,  12,  43,  44,  75, | 
 |   76,  107, 108, 139, 140, 171, 172, 203, 204, 235, 236, 267, 268, 299, 300, | 
 |   331, 332, 363, 364, 395, 396, 427, 428, 459, 460, 491, 12,  12,  13,  44, | 
 |   45,  76,  77,  108, 109, 140, 141, 172, 173, 204, 205, 236, 237, 268, 269, | 
 |   300, 301, 332, 333, 364, 365, 396, 397, 428, 429, 460, 461, 492, 13,  13, | 
 |   14,  45,  46,  77,  78,  109, 110, 141, 142, 173, 174, 205, 206, 237, 238, | 
 |   269, 270, 301, 302, 333, 334, 365, 366, 397, 398, 429, 430, 461, 462, 493, | 
 |   14,  14,  15,  46,  47,  78,  79,  110, 111, 142, 143, 174, 175, 206, 207, | 
 |   238, 239, 270, 271, 302, 303, 334, 335, 366, 367, 398, 399, 430, 431, 462, | 
 |   463, 494, 15,  15,  16,  47,  48,  79,  80,  111, 112, 143, 144, 175, 176, | 
 |   207, 208, 239, 240, 271, 272, 303, 304, 335, 336, 367, 368, 399, 400, 431, | 
 |   432, 463, 464, 495, 16,  16,  17,  48,  49,  80,  81,  112, 113, 144, 145, | 
 |   176, 177, 208, 209, 240, 241, 272, 273, 304, 305, 336, 337, 368, 369, 400, | 
 |   401, 432, 433, 464, 465, 496, 17,  17,  18,  49,  50,  81,  82,  113, 114, | 
 |   145, 146, 177, 178, 209, 210, 241, 242, 273, 274, 305, 306, 337, 338, 369, | 
 |   370, 401, 402, 433, 434, 465, 466, 497, 18,  18,  19,  50,  51,  82,  83, | 
 |   114, 115, 146, 147, 178, 179, 210, 211, 242, 243, 274, 275, 306, 307, 338, | 
 |   339, 370, 371, 402, 403, 434, 435, 466, 467, 498, 19,  19,  20,  51,  52, | 
 |   83,  84,  115, 116, 147, 148, 179, 180, 211, 212, 243, 244, 275, 276, 307, | 
 |   308, 339, 340, 371, 372, 403, 404, 435, 436, 467, 468, 499, 20,  20,  21, | 
 |   52,  53,  84,  85,  116, 117, 148, 149, 180, 181, 212, 213, 244, 245, 276, | 
 |   277, 308, 309, 340, 341, 372, 373, 404, 405, 436, 437, 468, 469, 500, 21, | 
 |   21,  22,  53,  54,  85,  86,  117, 118, 149, 150, 181, 182, 213, 214, 245, | 
 |   246, 277, 278, 309, 310, 341, 342, 373, 374, 405, 406, 437, 438, 469, 470, | 
 |   501, 22,  22,  23,  54,  55,  86,  87,  118, 119, 150, 151, 182, 183, 214, | 
 |   215, 246, 247, 278, 279, 310, 311, 342, 343, 374, 375, 406, 407, 438, 439, | 
 |   470, 471, 502, 23,  23,  24,  55,  56,  87,  88,  119, 120, 151, 152, 183, | 
 |   184, 215, 216, 247, 248, 279, 280, 311, 312, 343, 344, 375, 376, 407, 408, | 
 |   439, 440, 471, 472, 503, 24,  24,  25,  56,  57,  88,  89,  120, 121, 152, | 
 |   153, 184, 185, 216, 217, 248, 249, 280, 281, 312, 313, 344, 345, 376, 377, | 
 |   408, 409, 440, 441, 472, 473, 504, 25,  25,  26,  57,  58,  89,  90,  121, | 
 |   122, 153, 154, 185, 186, 217, 218, 249, 250, 281, 282, 313, 314, 345, 346, | 
 |   377, 378, 409, 410, 441, 442, 473, 474, 505, 26,  26,  27,  58,  59,  90, | 
 |   91,  122, 123, 154, 155, 186, 187, 218, 219, 250, 251, 282, 283, 314, 315, | 
 |   346, 347, 378, 379, 410, 411, 442, 443, 474, 475, 506, 27,  27,  28,  59, | 
 |   60,  91,  92,  123, 124, 155, 156, 187, 188, 219, 220, 251, 252, 283, 284, | 
 |   315, 316, 347, 348, 379, 380, 411, 412, 443, 444, 475, 476, 507, 28,  28, | 
 |   29,  60,  61,  92,  93,  124, 125, 156, 157, 188, 189, 220, 221, 252, 253, | 
 |   284, 285, 316, 317, 348, 349, 380, 381, 412, 413, 444, 445, 476, 477, 508, | 
 |   29,  29,  30,  61,  62,  93,  94,  125, 126, 157, 158, 189, 190, 221, 222, | 
 |   253, 254, 285, 286, 317, 318, 349, 350, 381, 382, 413, 414, 445, 446, 477, | 
 |   478, 509, 30,  30,  31,  62,  63,  94,  95,  126, 127, 158, 159, 190, 191, | 
 |   222, 223, 254, 255, 286, 287, 318, 319, 350, 351, 382, 383, 414, 415, 446, | 
 |   447, 478, 479, 510, 0,   0 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 mrow_scan_16x32_neighbors[513 * MAX_NEIGHBORS]) = { | 
 |   0,   0,   0,   0,   1,   1,   2,   2,   3,   3,   4,   4,   5,   5,   6, | 
 |   6,   7,   7,   8,   8,   9,   9,   10,  10,  11,  11,  12,  12,  13,  13, | 
 |   14,  14,  0,   0,   1,   16,  2,   17,  3,   18,  4,   19,  5,   20,  6, | 
 |   21,  7,   22,  8,   23,  9,   24,  10,  25,  11,  26,  12,  27,  13,  28, | 
 |   14,  29,  15,  30,  16,  16,  17,  32,  18,  33,  19,  34,  20,  35,  21, | 
 |   36,  22,  37,  23,  38,  24,  39,  25,  40,  26,  41,  27,  42,  28,  43, | 
 |   29,  44,  30,  45,  31,  46,  32,  32,  33,  48,  34,  49,  35,  50,  36, | 
 |   51,  37,  52,  38,  53,  39,  54,  40,  55,  41,  56,  42,  57,  43,  58, | 
 |   44,  59,  45,  60,  46,  61,  47,  62,  48,  48,  49,  64,  50,  65,  51, | 
 |   66,  52,  67,  53,  68,  54,  69,  55,  70,  56,  71,  57,  72,  58,  73, | 
 |   59,  74,  60,  75,  61,  76,  62,  77,  63,  78,  64,  64,  65,  80,  66, | 
 |   81,  67,  82,  68,  83,  69,  84,  70,  85,  71,  86,  72,  87,  73,  88, | 
 |   74,  89,  75,  90,  76,  91,  77,  92,  78,  93,  79,  94,  80,  80,  81, | 
 |   96,  82,  97,  83,  98,  84,  99,  85,  100, 86,  101, 87,  102, 88,  103, | 
 |   89,  104, 90,  105, 91,  106, 92,  107, 93,  108, 94,  109, 95,  110, 96, | 
 |   96,  97,  112, 98,  113, 99,  114, 100, 115, 101, 116, 102, 117, 103, 118, | 
 |   104, 119, 105, 120, 106, 121, 107, 122, 108, 123, 109, 124, 110, 125, 111, | 
 |   126, 112, 112, 113, 128, 114, 129, 115, 130, 116, 131, 117, 132, 118, 133, | 
 |   119, 134, 120, 135, 121, 136, 122, 137, 123, 138, 124, 139, 125, 140, 126, | 
 |   141, 127, 142, 128, 128, 129, 144, 130, 145, 131, 146, 132, 147, 133, 148, | 
 |   134, 149, 135, 150, 136, 151, 137, 152, 138, 153, 139, 154, 140, 155, 141, | 
 |   156, 142, 157, 143, 158, 144, 144, 145, 160, 146, 161, 147, 162, 148, 163, | 
 |   149, 164, 150, 165, 151, 166, 152, 167, 153, 168, 154, 169, 155, 170, 156, | 
 |   171, 157, 172, 158, 173, 159, 174, 160, 160, 161, 176, 162, 177, 163, 178, | 
 |   164, 179, 165, 180, 166, 181, 167, 182, 168, 183, 169, 184, 170, 185, 171, | 
 |   186, 172, 187, 173, 188, 174, 189, 175, 190, 176, 176, 177, 192, 178, 193, | 
 |   179, 194, 180, 195, 181, 196, 182, 197, 183, 198, 184, 199, 185, 200, 186, | 
 |   201, 187, 202, 188, 203, 189, 204, 190, 205, 191, 206, 192, 192, 193, 208, | 
 |   194, 209, 195, 210, 196, 211, 197, 212, 198, 213, 199, 214, 200, 215, 201, | 
 |   216, 202, 217, 203, 218, 204, 219, 205, 220, 206, 221, 207, 222, 208, 208, | 
 |   209, 224, 210, 225, 211, 226, 212, 227, 213, 228, 214, 229, 215, 230, 216, | 
 |   231, 217, 232, 218, 233, 219, 234, 220, 235, 221, 236, 222, 237, 223, 238, | 
 |   224, 224, 225, 240, 226, 241, 227, 242, 228, 243, 229, 244, 230, 245, 231, | 
 |   246, 232, 247, 233, 248, 234, 249, 235, 250, 236, 251, 237, 252, 238, 253, | 
 |   239, 254, 240, 240, 241, 256, 242, 257, 243, 258, 244, 259, 245, 260, 246, | 
 |   261, 247, 262, 248, 263, 249, 264, 250, 265, 251, 266, 252, 267, 253, 268, | 
 |   254, 269, 255, 270, 256, 256, 257, 272, 258, 273, 259, 274, 260, 275, 261, | 
 |   276, 262, 277, 263, 278, 264, 279, 265, 280, 266, 281, 267, 282, 268, 283, | 
 |   269, 284, 270, 285, 271, 286, 272, 272, 273, 288, 274, 289, 275, 290, 276, | 
 |   291, 277, 292, 278, 293, 279, 294, 280, 295, 281, 296, 282, 297, 283, 298, | 
 |   284, 299, 285, 300, 286, 301, 287, 302, 288, 288, 289, 304, 290, 305, 291, | 
 |   306, 292, 307, 293, 308, 294, 309, 295, 310, 296, 311, 297, 312, 298, 313, | 
 |   299, 314, 300, 315, 301, 316, 302, 317, 303, 318, 304, 304, 305, 320, 306, | 
 |   321, 307, 322, 308, 323, 309, 324, 310, 325, 311, 326, 312, 327, 313, 328, | 
 |   314, 329, 315, 330, 316, 331, 317, 332, 318, 333, 319, 334, 320, 320, 321, | 
 |   336, 322, 337, 323, 338, 324, 339, 325, 340, 326, 341, 327, 342, 328, 343, | 
 |   329, 344, 330, 345, 331, 346, 332, 347, 333, 348, 334, 349, 335, 350, 336, | 
 |   336, 337, 352, 338, 353, 339, 354, 340, 355, 341, 356, 342, 357, 343, 358, | 
 |   344, 359, 345, 360, 346, 361, 347, 362, 348, 363, 349, 364, 350, 365, 351, | 
 |   366, 352, 352, 353, 368, 354, 369, 355, 370, 356, 371, 357, 372, 358, 373, | 
 |   359, 374, 360, 375, 361, 376, 362, 377, 363, 378, 364, 379, 365, 380, 366, | 
 |   381, 367, 382, 368, 368, 369, 384, 370, 385, 371, 386, 372, 387, 373, 388, | 
 |   374, 389, 375, 390, 376, 391, 377, 392, 378, 393, 379, 394, 380, 395, 381, | 
 |   396, 382, 397, 383, 398, 384, 384, 385, 400, 386, 401, 387, 402, 388, 403, | 
 |   389, 404, 390, 405, 391, 406, 392, 407, 393, 408, 394, 409, 395, 410, 396, | 
 |   411, 397, 412, 398, 413, 399, 414, 400, 400, 401, 416, 402, 417, 403, 418, | 
 |   404, 419, 405, 420, 406, 421, 407, 422, 408, 423, 409, 424, 410, 425, 411, | 
 |   426, 412, 427, 413, 428, 414, 429, 415, 430, 416, 416, 417, 432, 418, 433, | 
 |   419, 434, 420, 435, 421, 436, 422, 437, 423, 438, 424, 439, 425, 440, 426, | 
 |   441, 427, 442, 428, 443, 429, 444, 430, 445, 431, 446, 432, 432, 433, 448, | 
 |   434, 449, 435, 450, 436, 451, 437, 452, 438, 453, 439, 454, 440, 455, 441, | 
 |   456, 442, 457, 443, 458, 444, 459, 445, 460, 446, 461, 447, 462, 448, 448, | 
 |   449, 464, 450, 465, 451, 466, 452, 467, 453, 468, 454, 469, 455, 470, 456, | 
 |   471, 457, 472, 458, 473, 459, 474, 460, 475, 461, 476, 462, 477, 463, 478, | 
 |   464, 464, 465, 480, 466, 481, 467, 482, 468, 483, 469, 484, 470, 485, 471, | 
 |   486, 472, 487, 473, 488, 474, 489, 475, 490, 476, 491, 477, 492, 478, 493, | 
 |   479, 494, 480, 480, 481, 496, 482, 497, 483, 498, 484, 499, 485, 500, 486, | 
 |   501, 487, 502, 488, 503, 489, 504, 490, 505, 491, 506, 492, 507, 493, 508, | 
 |   494, 509, 495, 510, 0,   0 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 mrow_scan_32x16_neighbors[513 * MAX_NEIGHBORS]) = { | 
 |   0,   0,   0,   0,   1,   1,   2,   2,   3,   3,   4,   4,   5,   5,   6, | 
 |   6,   7,   7,   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,  22,  22,  23,  23,  24,  24,  25,  25,  26,  26,  27,  27,  28,  28, | 
 |   29,  29,  30,  30,  0,   0,   1,   32,  2,   33,  3,   34,  4,   35,  5, | 
 |   36,  6,   37,  7,   38,  8,   39,  9,   40,  10,  41,  11,  42,  12,  43, | 
 |   13,  44,  14,  45,  15,  46,  16,  47,  17,  48,  18,  49,  19,  50,  20, | 
 |   51,  21,  52,  22,  53,  23,  54,  24,  55,  25,  56,  26,  57,  27,  58, | 
 |   28,  59,  29,  60,  30,  61,  31,  62,  32,  32,  33,  64,  34,  65,  35, | 
 |   66,  36,  67,  37,  68,  38,  69,  39,  70,  40,  71,  41,  72,  42,  73, | 
 |   43,  74,  44,  75,  45,  76,  46,  77,  47,  78,  48,  79,  49,  80,  50, | 
 |   81,  51,  82,  52,  83,  53,  84,  54,  85,  55,  86,  56,  87,  57,  88, | 
 |   58,  89,  59,  90,  60,  91,  61,  92,  62,  93,  63,  94,  64,  64,  65, | 
 |   96,  66,  97,  67,  98,  68,  99,  69,  100, 70,  101, 71,  102, 72,  103, | 
 |   73,  104, 74,  105, 75,  106, 76,  107, 77,  108, 78,  109, 79,  110, 80, | 
 |   111, 81,  112, 82,  113, 83,  114, 84,  115, 85,  116, 86,  117, 87,  118, | 
 |   88,  119, 89,  120, 90,  121, 91,  122, 92,  123, 93,  124, 94,  125, 95, | 
 |   126, 96,  96,  97,  128, 98,  129, 99,  130, 100, 131, 101, 132, 102, 133, | 
 |   103, 134, 104, 135, 105, 136, 106, 137, 107, 138, 108, 139, 109, 140, 110, | 
 |   141, 111, 142, 112, 143, 113, 144, 114, 145, 115, 146, 116, 147, 117, 148, | 
 |   118, 149, 119, 150, 120, 151, 121, 152, 122, 153, 123, 154, 124, 155, 125, | 
 |   156, 126, 157, 127, 158, 128, 128, 129, 160, 130, 161, 131, 162, 132, 163, | 
 |   133, 164, 134, 165, 135, 166, 136, 167, 137, 168, 138, 169, 139, 170, 140, | 
 |   171, 141, 172, 142, 173, 143, 174, 144, 175, 145, 176, 146, 177, 147, 178, | 
 |   148, 179, 149, 180, 150, 181, 151, 182, 152, 183, 153, 184, 154, 185, 155, | 
 |   186, 156, 187, 157, 188, 158, 189, 159, 190, 160, 160, 161, 192, 162, 193, | 
 |   163, 194, 164, 195, 165, 196, 166, 197, 167, 198, 168, 199, 169, 200, 170, | 
 |   201, 171, 202, 172, 203, 173, 204, 174, 205, 175, 206, 176, 207, 177, 208, | 
 |   178, 209, 179, 210, 180, 211, 181, 212, 182, 213, 183, 214, 184, 215, 185, | 
 |   216, 186, 217, 187, 218, 188, 219, 189, 220, 190, 221, 191, 222, 192, 192, | 
 |   193, 224, 194, 225, 195, 226, 196, 227, 197, 228, 198, 229, 199, 230, 200, | 
 |   231, 201, 232, 202, 233, 203, 234, 204, 235, 205, 236, 206, 237, 207, 238, | 
 |   208, 239, 209, 240, 210, 241, 211, 242, 212, 243, 213, 244, 214, 245, 215, | 
 |   246, 216, 247, 217, 248, 218, 249, 219, 250, 220, 251, 221, 252, 222, 253, | 
 |   223, 254, 224, 224, 225, 256, 226, 257, 227, 258, 228, 259, 229, 260, 230, | 
 |   261, 231, 262, 232, 263, 233, 264, 234, 265, 235, 266, 236, 267, 237, 268, | 
 |   238, 269, 239, 270, 240, 271, 241, 272, 242, 273, 243, 274, 244, 275, 245, | 
 |   276, 246, 277, 247, 278, 248, 279, 249, 280, 250, 281, 251, 282, 252, 283, | 
 |   253, 284, 254, 285, 255, 286, 256, 256, 257, 288, 258, 289, 259, 290, 260, | 
 |   291, 261, 292, 262, 293, 263, 294, 264, 295, 265, 296, 266, 297, 267, 298, | 
 |   268, 299, 269, 300, 270, 301, 271, 302, 272, 303, 273, 304, 274, 305, 275, | 
 |   306, 276, 307, 277, 308, 278, 309, 279, 310, 280, 311, 281, 312, 282, 313, | 
 |   283, 314, 284, 315, 285, 316, 286, 317, 287, 318, 288, 288, 289, 320, 290, | 
 |   321, 291, 322, 292, 323, 293, 324, 294, 325, 295, 326, 296, 327, 297, 328, | 
 |   298, 329, 299, 330, 300, 331, 301, 332, 302, 333, 303, 334, 304, 335, 305, | 
 |   336, 306, 337, 307, 338, 308, 339, 309, 340, 310, 341, 311, 342, 312, 343, | 
 |   313, 344, 314, 345, 315, 346, 316, 347, 317, 348, 318, 349, 319, 350, 320, | 
 |   320, 321, 352, 322, 353, 323, 354, 324, 355, 325, 356, 326, 357, 327, 358, | 
 |   328, 359, 329, 360, 330, 361, 331, 362, 332, 363, 333, 364, 334, 365, 335, | 
 |   366, 336, 367, 337, 368, 338, 369, 339, 370, 340, 371, 341, 372, 342, 373, | 
 |   343, 374, 344, 375, 345, 376, 346, 377, 347, 378, 348, 379, 349, 380, 350, | 
 |   381, 351, 382, 352, 352, 353, 384, 354, 385, 355, 386, 356, 387, 357, 388, | 
 |   358, 389, 359, 390, 360, 391, 361, 392, 362, 393, 363, 394, 364, 395, 365, | 
 |   396, 366, 397, 367, 398, 368, 399, 369, 400, 370, 401, 371, 402, 372, 403, | 
 |   373, 404, 374, 405, 375, 406, 376, 407, 377, 408, 378, 409, 379, 410, 380, | 
 |   411, 381, 412, 382, 413, 383, 414, 384, 384, 385, 416, 386, 417, 387, 418, | 
 |   388, 419, 389, 420, 390, 421, 391, 422, 392, 423, 393, 424, 394, 425, 395, | 
 |   426, 396, 427, 397, 428, 398, 429, 399, 430, 400, 431, 401, 432, 402, 433, | 
 |   403, 434, 404, 435, 405, 436, 406, 437, 407, 438, 408, 439, 409, 440, 410, | 
 |   441, 411, 442, 412, 443, 413, 444, 414, 445, 415, 446, 416, 416, 417, 448, | 
 |   418, 449, 419, 450, 420, 451, 421, 452, 422, 453, 423, 454, 424, 455, 425, | 
 |   456, 426, 457, 427, 458, 428, 459, 429, 460, 430, 461, 431, 462, 432, 463, | 
 |   433, 464, 434, 465, 435, 466, 436, 467, 437, 468, 438, 469, 439, 470, 440, | 
 |   471, 441, 472, 442, 473, 443, 474, 444, 475, 445, 476, 446, 477, 447, 478, | 
 |   448, 448, 449, 480, 450, 481, 451, 482, 452, 483, 453, 484, 454, 485, 455, | 
 |   486, 456, 487, 457, 488, 458, 489, 459, 490, 460, 491, 461, 492, 462, 493, | 
 |   463, 494, 464, 495, 465, 496, 466, 497, 467, 498, 468, 499, 469, 500, 470, | 
 |   501, 471, 502, 472, 503, 473, 504, 474, 505, 475, 506, 476, 507, 477, 508, | 
 |   478, 509, 479, 510, 0,   0 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 mcol_scan_16x16_neighbors[257 * MAX_NEIGHBORS]) = { | 
 |   0,   0,   0,   0,   16,  16,  32,  32,  48,  48,  64,  64,  80,  80,  96, | 
 |   96,  112, 112, 128, 128, 144, 144, 160, 160, 176, 176, 192, 192, 208, 208, | 
 |   224, 224, 0,   0,   1,   16,  17,  32,  33,  48,  49,  64,  65,  80,  81, | 
 |   96,  97,  112, 113, 128, 129, 144, 145, 160, 161, 176, 177, 192, 193, 208, | 
 |   209, 224, 225, 240, 1,   1,   2,   17,  18,  33,  34,  49,  50,  65,  66, | 
 |   81,  82,  97,  98,  113, 114, 129, 130, 145, 146, 161, 162, 177, 178, 193, | 
 |   194, 209, 210, 225, 226, 241, 2,   2,   3,   18,  19,  34,  35,  50,  51, | 
 |   66,  67,  82,  83,  98,  99,  114, 115, 130, 131, 146, 147, 162, 163, 178, | 
 |   179, 194, 195, 210, 211, 226, 227, 242, 3,   3,   4,   19,  20,  35,  36, | 
 |   51,  52,  67,  68,  83,  84,  99,  100, 115, 116, 131, 132, 147, 148, 163, | 
 |   164, 179, 180, 195, 196, 211, 212, 227, 228, 243, 4,   4,   5,   20,  21, | 
 |   36,  37,  52,  53,  68,  69,  84,  85,  100, 101, 116, 117, 132, 133, 148, | 
 |   149, 164, 165, 180, 181, 196, 197, 212, 213, 228, 229, 244, 5,   5,   6, | 
 |   21,  22,  37,  38,  53,  54,  69,  70,  85,  86,  101, 102, 117, 118, 133, | 
 |   134, 149, 150, 165, 166, 181, 182, 197, 198, 213, 214, 229, 230, 245, 6, | 
 |   6,   7,   22,  23,  38,  39,  54,  55,  70,  71,  86,  87,  102, 103, 118, | 
 |   119, 134, 135, 150, 151, 166, 167, 182, 183, 198, 199, 214, 215, 230, 231, | 
 |   246, 7,   7,   8,   23,  24,  39,  40,  55,  56,  71,  72,  87,  88,  103, | 
 |   104, 119, 120, 135, 136, 151, 152, 167, 168, 183, 184, 199, 200, 215, 216, | 
 |   231, 232, 247, 8,   8,   9,   24,  25,  40,  41,  56,  57,  72,  73,  88, | 
 |   89,  104, 105, 120, 121, 136, 137, 152, 153, 168, 169, 184, 185, 200, 201, | 
 |   216, 217, 232, 233, 248, 9,   9,   10,  25,  26,  41,  42,  57,  58,  73, | 
 |   74,  89,  90,  105, 106, 121, 122, 137, 138, 153, 154, 169, 170, 185, 186, | 
 |   201, 202, 217, 218, 233, 234, 249, 10,  10,  11,  26,  27,  42,  43,  58, | 
 |   59,  74,  75,  90,  91,  106, 107, 122, 123, 138, 139, 154, 155, 170, 171, | 
 |   186, 187, 202, 203, 218, 219, 234, 235, 250, 11,  11,  12,  27,  28,  43, | 
 |   44,  59,  60,  75,  76,  91,  92,  107, 108, 123, 124, 139, 140, 155, 156, | 
 |   171, 172, 187, 188, 203, 204, 219, 220, 235, 236, 251, 12,  12,  13,  28, | 
 |   29,  44,  45,  60,  61,  76,  77,  92,  93,  108, 109, 124, 125, 140, 141, | 
 |   156, 157, 172, 173, 188, 189, 204, 205, 220, 221, 236, 237, 252, 13,  13, | 
 |   14,  29,  30,  45,  46,  61,  62,  77,  78,  93,  94,  109, 110, 125, 126, | 
 |   141, 142, 157, 158, 173, 174, 189, 190, 205, 206, 221, 222, 237, 238, 253, | 
 |   14,  14,  15,  30,  31,  46,  47,  62,  63,  78,  79,  94,  95,  110, 111, | 
 |   126, 127, 142, 143, 158, 159, 174, 175, 190, 191, 206, 207, 222, 223, 238, | 
 |   239, 254, 0,   0, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 mrow_scan_16x16_neighbors[257 * MAX_NEIGHBORS]) = { | 
 |   0,   0,   0,   0,   1,   1,   2,   2,   3,   3,   4,   4,   5,   5,   6, | 
 |   6,   7,   7,   8,   8,   9,   9,   10,  10,  11,  11,  12,  12,  13,  13, | 
 |   14,  14,  0,   0,   1,   16,  2,   17,  3,   18,  4,   19,  5,   20,  6, | 
 |   21,  7,   22,  8,   23,  9,   24,  10,  25,  11,  26,  12,  27,  13,  28, | 
 |   14,  29,  15,  30,  16,  16,  17,  32,  18,  33,  19,  34,  20,  35,  21, | 
 |   36,  22,  37,  23,  38,  24,  39,  25,  40,  26,  41,  27,  42,  28,  43, | 
 |   29,  44,  30,  45,  31,  46,  32,  32,  33,  48,  34,  49,  35,  50,  36, | 
 |   51,  37,  52,  38,  53,  39,  54,  40,  55,  41,  56,  42,  57,  43,  58, | 
 |   44,  59,  45,  60,  46,  61,  47,  62,  48,  48,  49,  64,  50,  65,  51, | 
 |   66,  52,  67,  53,  68,  54,  69,  55,  70,  56,  71,  57,  72,  58,  73, | 
 |   59,  74,  60,  75,  61,  76,  62,  77,  63,  78,  64,  64,  65,  80,  66, | 
 |   81,  67,  82,  68,  83,  69,  84,  70,  85,  71,  86,  72,  87,  73,  88, | 
 |   74,  89,  75,  90,  76,  91,  77,  92,  78,  93,  79,  94,  80,  80,  81, | 
 |   96,  82,  97,  83,  98,  84,  99,  85,  100, 86,  101, 87,  102, 88,  103, | 
 |   89,  104, 90,  105, 91,  106, 92,  107, 93,  108, 94,  109, 95,  110, 96, | 
 |   96,  97,  112, 98,  113, 99,  114, 100, 115, 101, 116, 102, 117, 103, 118, | 
 |   104, 119, 105, 120, 106, 121, 107, 122, 108, 123, 109, 124, 110, 125, 111, | 
 |   126, 112, 112, 113, 128, 114, 129, 115, 130, 116, 131, 117, 132, 118, 133, | 
 |   119, 134, 120, 135, 121, 136, 122, 137, 123, 138, 124, 139, 125, 140, 126, | 
 |   141, 127, 142, 128, 128, 129, 144, 130, 145, 131, 146, 132, 147, 133, 148, | 
 |   134, 149, 135, 150, 136, 151, 137, 152, 138, 153, 139, 154, 140, 155, 141, | 
 |   156, 142, 157, 143, 158, 144, 144, 145, 160, 146, 161, 147, 162, 148, 163, | 
 |   149, 164, 150, 165, 151, 166, 152, 167, 153, 168, 154, 169, 155, 170, 156, | 
 |   171, 157, 172, 158, 173, 159, 174, 160, 160, 161, 176, 162, 177, 163, 178, | 
 |   164, 179, 165, 180, 166, 181, 167, 182, 168, 183, 169, 184, 170, 185, 171, | 
 |   186, 172, 187, 173, 188, 174, 189, 175, 190, 176, 176, 177, 192, 178, 193, | 
 |   179, 194, 180, 195, 181, 196, 182, 197, 183, 198, 184, 199, 185, 200, 186, | 
 |   201, 187, 202, 188, 203, 189, 204, 190, 205, 191, 206, 192, 192, 193, 208, | 
 |   194, 209, 195, 210, 196, 211, 197, 212, 198, 213, 199, 214, 200, 215, 201, | 
 |   216, 202, 217, 203, 218, 204, 219, 205, 220, 206, 221, 207, 222, 208, 208, | 
 |   209, 224, 210, 225, 211, 226, 212, 227, 213, 228, 214, 229, 215, 230, 216, | 
 |   231, 217, 232, 218, 233, 219, 234, 220, 235, 221, 236, 222, 237, 223, 238, | 
 |   224, 224, 225, 240, 226, 241, 227, 242, 228, 243, 229, 244, 230, 245, 231, | 
 |   246, 232, 247, 233, 248, 234, 249, 235, 250, 236, 251, 237, 252, 238, 253, | 
 |   239, 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,   2,   2,   2, | 
 |   17,  17,  32,  32,  32,  48,  48,  33,  48,  18,  33,  3,   18,  3,   3, | 
 |   4,   4,   4,   19,  19,  34,  34,  49,  49,  64,  64,  64,  80,  80,  65, | 
 |   80,  50,  65,  35,  50,  20,  35,  5,   20,  5,   5,   6,   6,   6,   21, | 
 |   21,  36,  36,  51,  51,  66,  66,  81,  81,  96,  96,  96,  112, 112, 97, | 
 |   112, 82,  97,  67,  82,  52,  67,  37,  52,  22,  37,  7,   22,  7,   7, | 
 |   8,   8,   8,   23,  23,  38,  38,  53,  53,  68,  68,  83,  83,  98,  98, | 
 |   113, 113, 128, 128, 128, 144, 144, 129, 144, 114, 129, 99,  114, 84,  99, | 
 |   69,  84,  54,  69,  39,  54,  24,  39,  9,   24,  9,   9,   10,  10,  10, | 
 |   25,  25,  40,  40,  55,  55,  70,  70,  85,  85,  100, 100, 115, 115, 130, | 
 |   130, 145, 145, 160, 160, 160, 176, 176, 161, 176, 146, 161, 131, 146, 116, | 
 |   131, 101, 116, 86,  101, 71,  86,  56,  71,  41,  56,  26,  41,  11,  26, | 
 |   11,  11,  12,  12,  12,  27,  27,  42,  42,  57,  57,  72,  72,  87,  87, | 
 |   102, 102, 117, 117, 132, 132, 147, 147, 162, 162, 177, 177, 192, 192, 192, | 
 |   208, 208, 193, 208, 178, 193, 163, 178, 148, 163, 133, 148, 118, 133, 103, | 
 |   118, 88,  103, 73,  88,  58,  73,  43,  58,  28,  43,  13,  28,  13,  13, | 
 |   14,  14,  14,  29,  29,  44,  44,  59,  59,  74,  74,  89,  89,  104, 104, | 
 |   119, 119, 134, 134, 149, 149, 164, 164, 179, 179, 194, 194, 209, 209, 224, | 
 |   224, 224, 225, 240, 210, 225, 195, 210, 180, 195, 165, 180, 150, 165, 135, | 
 |   150, 120, 135, 105, 120, 90,  105, 75,  90,  60,  75,  45,  60,  30,  45, | 
 |   15,  30,  31,  46,  46,  61,  61,  76,  76,  91,  91,  106, 106, 121, 121, | 
 |   136, 136, 151, 151, 166, 166, 181, 181, 196, 196, 211, 211, 226, 226, 241, | 
 |   227, 242, 212, 227, 197, 212, 182, 197, 167, 182, 152, 167, 137, 152, 122, | 
 |   137, 107, 122, 92,  107, 77,  92,  62,  77,  47,  62,  63,  78,  78,  93, | 
 |   93,  108, 108, 123, 123, 138, 138, 153, 153, 168, 168, 183, 183, 198, 198, | 
 |   213, 213, 228, 228, 243, 229, 244, 214, 229, 199, 214, 184, 199, 169, 184, | 
 |   154, 169, 139, 154, 124, 139, 109, 124, 94,  109, 79,  94,  95,  110, 110, | 
 |   125, 125, 140, 140, 155, 155, 170, 170, 185, 185, 200, 200, 215, 215, 230, | 
 |   230, 245, 231, 246, 216, 231, 201, 216, 186, 201, 171, 186, 156, 171, 141, | 
 |   156, 126, 141, 111, 126, 127, 142, 142, 157, 157, 172, 172, 187, 187, 202, | 
 |   202, 217, 217, 232, 232, 247, 233, 248, 218, 233, 203, 218, 188, 203, 173, | 
 |   188, 158, 173, 143, 158, 159, 174, 174, 189, 189, 204, 204, 219, 219, 234, | 
 |   234, 249, 235, 250, 220, 235, 205, 220, 190, 205, 175, 190, 191, 206, 206, | 
 |   221, 221, 236, 236, 251, 237, 252, 222, 237, 207, 222, 223, 238, 238, 253, | 
 |   239, 254, 0,   0 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 mcol_scan_32x32_neighbors[1025 * MAX_NEIGHBORS]) = { | 
 |   0,   0,    0,   0,    32,  32,   64,  64,   96,  96,   128, 128,  160, 160, | 
 |   192, 192,  224, 224,  256, 256,  288, 288,  320, 320,  352, 352,  384, 384, | 
 |   416, 416,  448, 448,  480, 480,  512, 512,  544, 544,  576, 576,  608, 608, | 
 |   640, 640,  672, 672,  704, 704,  736, 736,  768, 768,  800, 800,  832, 832, | 
 |   864, 864,  896, 896,  928, 928,  960, 960,  0,   0,    1,   32,   33,  64, | 
 |   65,  96,   97,  128,  129, 160,  161, 192,  193, 224,  225, 256,  257, 288, | 
 |   289, 320,  321, 352,  353, 384,  385, 416,  417, 448,  449, 480,  481, 512, | 
 |   513, 544,  545, 576,  577, 608,  609, 640,  641, 672,  673, 704,  705, 736, | 
 |   737, 768,  769, 800,  801, 832,  833, 864,  865, 896,  897, 928,  929, 960, | 
 |   961, 992,  1,   1,    2,   33,   34,  65,   66,  97,   98,  129,  130, 161, | 
 |   162, 193,  194, 225,  226, 257,  258, 289,  290, 321,  322, 353,  354, 385, | 
 |   386, 417,  418, 449,  450, 481,  482, 513,  514, 545,  546, 577,  578, 609, | 
 |   610, 641,  642, 673,  674, 705,  706, 737,  738, 769,  770, 801,  802, 833, | 
 |   834, 865,  866, 897,  898, 929,  930, 961,  962, 993,  2,   2,    3,   34, | 
 |   35,  66,   67,  98,   99,  130,  131, 162,  163, 194,  195, 226,  227, 258, | 
 |   259, 290,  291, 322,  323, 354,  355, 386,  387, 418,  419, 450,  451, 482, | 
 |   483, 514,  515, 546,  547, 578,  579, 610,  611, 642,  643, 674,  675, 706, | 
 |   707, 738,  739, 770,  771, 802,  803, 834,  835, 866,  867, 898,  899, 930, | 
 |   931, 962,  963, 994,  3,   3,    4,   35,   36,  67,   68,  99,   100, 131, | 
 |   132, 163,  164, 195,  196, 227,  228, 259,  260, 291,  292, 323,  324, 355, | 
 |   356, 387,  388, 419,  420, 451,  452, 483,  484, 515,  516, 547,  548, 579, | 
 |   580, 611,  612, 643,  644, 675,  676, 707,  708, 739,  740, 771,  772, 803, | 
 |   804, 835,  836, 867,  868, 899,  900, 931,  932, 963,  964, 995,  4,   4, | 
 |   5,   36,   37,  68,   69,  100,  101, 132,  133, 164,  165, 196,  197, 228, | 
 |   229, 260,  261, 292,  293, 324,  325, 356,  357, 388,  389, 420,  421, 452, | 
 |   453, 484,  485, 516,  517, 548,  549, 580,  581, 612,  613, 644,  645, 676, | 
 |   677, 708,  709, 740,  741, 772,  773, 804,  805, 836,  837, 868,  869, 900, | 
 |   901, 932,  933, 964,  965, 996,  5,   5,    6,   37,   38,  69,   70,  101, | 
 |   102, 133,  134, 165,  166, 197,  198, 229,  230, 261,  262, 293,  294, 325, | 
 |   326, 357,  358, 389,  390, 421,  422, 453,  454, 485,  486, 517,  518, 549, | 
 |   550, 581,  582, 613,  614, 645,  646, 677,  678, 709,  710, 741,  742, 773, | 
 |   774, 805,  806, 837,  838, 869,  870, 901,  902, 933,  934, 965,  966, 997, | 
 |   6,   6,    7,   38,   39,  70,   71,  102,  103, 134,  135, 166,  167, 198, | 
 |   199, 230,  231, 262,  263, 294,  295, 326,  327, 358,  359, 390,  391, 422, | 
 |   423, 454,  455, 486,  487, 518,  519, 550,  551, 582,  583, 614,  615, 646, | 
 |   647, 678,  679, 710,  711, 742,  743, 774,  775, 806,  807, 838,  839, 870, | 
 |   871, 902,  903, 934,  935, 966,  967, 998,  7,   7,    8,   39,   40,  71, | 
 |   72,  103,  104, 135,  136, 167,  168, 199,  200, 231,  232, 263,  264, 295, | 
 |   296, 327,  328, 359,  360, 391,  392, 423,  424, 455,  456, 487,  488, 519, | 
 |   520, 551,  552, 583,  584, 615,  616, 647,  648, 679,  680, 711,  712, 743, | 
 |   744, 775,  776, 807,  808, 839,  840, 871,  872, 903,  904, 935,  936, 967, | 
 |   968, 999,  8,   8,    9,   40,   41,  72,   73,  104,  105, 136,  137, 168, | 
 |   169, 200,  201, 232,  233, 264,  265, 296,  297, 328,  329, 360,  361, 392, | 
 |   393, 424,  425, 456,  457, 488,  489, 520,  521, 552,  553, 584,  585, 616, | 
 |   617, 648,  649, 680,  681, 712,  713, 744,  745, 776,  777, 808,  809, 840, | 
 |   841, 872,  873, 904,  905, 936,  937, 968,  969, 1000, 9,   9,    10,  41, | 
 |   42,  73,   74,  105,  106, 137,  138, 169,  170, 201,  202, 233,  234, 265, | 
 |   266, 297,  298, 329,  330, 361,  362, 393,  394, 425,  426, 457,  458, 489, | 
 |   490, 521,  522, 553,  554, 585,  586, 617,  618, 649,  650, 681,  682, 713, | 
 |   714, 745,  746, 777,  778, 809,  810, 841,  842, 873,  874, 905,  906, 937, | 
 |   938, 969,  970, 1001, 10,  10,   11,  42,   43,  74,   75,  106,  107, 138, | 
 |   139, 170,  171, 202,  203, 234,  235, 266,  267, 298,  299, 330,  331, 362, | 
 |   363, 394,  395, 426,  427, 458,  459, 490,  491, 522,  523, 554,  555, 586, | 
 |   587, 618,  619, 650,  651, 682,  683, 714,  715, 746,  747, 778,  779, 810, | 
 |   811, 842,  843, 874,  875, 906,  907, 938,  939, 970,  971, 1002, 11,  11, | 
 |   12,  43,   44,  75,   76,  107,  108, 139,  140, 171,  172, 203,  204, 235, | 
 |   236, 267,  268, 299,  300, 331,  332, 363,  364, 395,  396, 427,  428, 459, | 
 |   460, 491,  492, 523,  524, 555,  556, 587,  588, 619,  620, 651,  652, 683, | 
 |   684, 715,  716, 747,  748, 779,  780, 811,  812, 843,  844, 875,  876, 907, | 
 |   908, 939,  940, 971,  972, 1003, 12,  12,   13,  44,   45,  76,   77,  108, | 
 |   109, 140,  141, 172,  173, 204,  205, 236,  237, 268,  269, 300,  301, 332, | 
 |   333, 364,  365, 396,  397, 428,  429, 460,  461, 492,  493, 524,  525, 556, | 
 |   557, 588,  589, 620,  621, 652,  653, 684,  685, 716,  717, 748,  749, 780, | 
 |   781, 812,  813, 844,  845, 876,  877, 908,  909, 940,  941, 972,  973, 1004, | 
 |   13,  13,   14,  45,   46,  77,   78,  109,  110, 141,  142, 173,  174, 205, | 
 |   206, 237,  238, 269,  270, 301,  302, 333,  334, 365,  366, 397,  398, 429, | 
 |   430, 461,  462, 493,  494, 525,  526, 557,  558, 589,  590, 621,  622, 653, | 
 |   654, 685,  686, 717,  718, 749,  750, 781,  782, 813,  814, 845,  846, 877, | 
 |   878, 909,  910, 941,  942, 973,  974, 1005, 14,  14,   15,  46,   47,  78, | 
 |   79,  110,  111, 142,  143, 174,  175, 206,  207, 238,  239, 270,  271, 302, | 
 |   303, 334,  335, 366,  367, 398,  399, 430,  431, 462,  463, 494,  495, 526, | 
 |   527, 558,  559, 590,  591, 622,  623, 654,  655, 686,  687, 718,  719, 750, | 
 |   751, 782,  783, 814,  815, 846,  847, 878,  879, 910,  911, 942,  943, 974, | 
 |   975, 1006, 15,  15,   16,  47,   48,  79,   80,  111,  112, 143,  144, 175, | 
 |   176, 207,  208, 239,  240, 271,  272, 303,  304, 335,  336, 367,  368, 399, | 
 |   400, 431,  432, 463,  464, 495,  496, 527,  528, 559,  560, 591,  592, 623, | 
 |   624, 655,  656, 687,  688, 719,  720, 751,  752, 783,  784, 815,  816, 847, | 
 |   848, 879,  880, 911,  912, 943,  944, 975,  976, 1007, 16,  16,   17,  48, | 
 |   49,  80,   81,  112,  113, 144,  145, 176,  177, 208,  209, 240,  241, 272, | 
 |   273, 304,  305, 336,  337, 368,  369, 400,  401, 432,  433, 464,  465, 496, | 
 |   497, 528,  529, 560,  561, 592,  593, 624,  625, 656,  657, 688,  689, 720, | 
 |   721, 752,  753, 784,  785, 816,  817, 848,  849, 880,  881, 912,  913, 944, | 
 |   945, 976,  977, 1008, 17,  17,   18,  49,   50,  81,   82,  113,  114, 145, | 
 |   146, 177,  178, 209,  210, 241,  242, 273,  274, 305,  306, 337,  338, 369, | 
 |   370, 401,  402, 433,  434, 465,  466, 497,  498, 529,  530, 561,  562, 593, | 
 |   594, 625,  626, 657,  658, 689,  690, 721,  722, 753,  754, 785,  786, 817, | 
 |   818, 849,  850, 881,  882, 913,  914, 945,  946, 977,  978, 1009, 18,  18, | 
 |   19,  50,   51,  82,   83,  114,  115, 146,  147, 178,  179, 210,  211, 242, | 
 |   243, 274,  275, 306,  307, 338,  339, 370,  371, 402,  403, 434,  435, 466, | 
 |   467, 498,  499, 530,  531, 562,  563, 594,  595, 626,  627, 658,  659, 690, | 
 |   691, 722,  723, 754,  755, 786,  787, 818,  819, 850,  851, 882,  883, 914, | 
 |   915, 946,  947, 978,  979, 1010, 19,  19,   20,  51,   52,  83,   84,  115, | 
 |   116, 147,  148, 179,  180, 211,  212, 243,  244, 275,  276, 307,  308, 339, | 
 |   340, 371,  372, 403,  404, 435,  436, 467,  468, 499,  500, 531,  532, 563, | 
 |   564, 595,  596, 627,  628, 659,  660, 691,  692, 723,  724, 755,  756, 787, | 
 |   788, 819,  820, 851,  852, 883,  884, 915,  916, 947,  948, 979,  980, 1011, | 
 |   20,  20,   21,  52,   53,  84,   85,  116,  117, 148,  149, 180,  181, 212, | 
 |   213, 244,  245, 276,  277, 308,  309, 340,  341, 372,  373, 404,  405, 436, | 
 |   437, 468,  469, 500,  501, 532,  533, 564,  565, 596,  597, 628,  629, 660, | 
 |   661, 692,  693, 724,  725, 756,  757, 788,  789, 820,  821, 852,  853, 884, | 
 |   885, 916,  917, 948,  949, 980,  981, 1012, 21,  21,   22,  53,   54,  85, | 
 |   86,  117,  118, 149,  150, 181,  182, 213,  214, 245,  246, 277,  278, 309, | 
 |   310, 341,  342, 373,  374, 405,  406, 437,  438, 469,  470, 501,  502, 533, | 
 |   534, 565,  566, 597,  598, 629,  630, 661,  662, 693,  694, 725,  726, 757, | 
 |   758, 789,  790, 821,  822, 853,  854, 885,  886, 917,  918, 949,  950, 981, | 
 |   982, 1013, 22,  22,   23,  54,   55,  86,   87,  118,  119, 150,  151, 182, | 
 |   183, 214,  215, 246,  247, 278,  279, 310,  311, 342,  343, 374,  375, 406, | 
 |   407, 438,  439, 470,  471, 502,  503, 534,  535, 566,  567, 598,  599, 630, | 
 |   631, 662,  663, 694,  695, 726,  727, 758,  759, 790,  791, 822,  823, 854, | 
 |   855, 886,  887, 918,  919, 950,  951, 982,  983, 1014, 23,  23,   24,  55, | 
 |   56,  87,   88,  119,  120, 151,  152, 183,  184, 215,  216, 247,  248, 279, | 
 |   280, 311,  312, 343,  344, 375,  376, 407,  408, 439,  440, 471,  472, 503, | 
 |   504, 535,  536, 567,  568, 599,  600, 631,  632, 663,  664, 695,  696, 727, | 
 |   728, 759,  760, 791,  792, 823,  824, 855,  856, 887,  888, 919,  920, 951, | 
 |   952, 983,  984, 1015, 24,  24,   25,  56,   57,  88,   89,  120,  121, 152, | 
 |   153, 184,  185, 216,  217, 248,  249, 280,  281, 312,  313, 344,  345, 376, | 
 |   377, 408,  409, 440,  441, 472,  473, 504,  505, 536,  537, 568,  569, 600, | 
 |   601, 632,  633, 664,  665, 696,  697, 728,  729, 760,  761, 792,  793, 824, | 
 |   825, 856,  857, 888,  889, 920,  921, 952,  953, 984,  985, 1016, 25,  25, | 
 |   26,  57,   58,  89,   90,  121,  122, 153,  154, 185,  186, 217,  218, 249, | 
 |   250, 281,  282, 313,  314, 345,  346, 377,  378, 409,  410, 441,  442, 473, | 
 |   474, 505,  506, 537,  538, 569,  570, 601,  602, 633,  634, 665,  666, 697, | 
 |   698, 729,  730, 761,  762, 793,  794, 825,  826, 857,  858, 889,  890, 921, | 
 |   922, 953,  954, 985,  986, 1017, 26,  26,   27,  58,   59,  90,   91,  122, | 
 |   123, 154,  155, 186,  187, 218,  219, 250,  251, 282,  283, 314,  315, 346, | 
 |   347, 378,  379, 410,  411, 442,  443, 474,  475, 506,  507, 538,  539, 570, | 
 |   571, 602,  603, 634,  635, 666,  667, 698,  699, 730,  731, 762,  763, 794, | 
 |   795, 826,  827, 858,  859, 890,  891, 922,  923, 954,  955, 986,  987, 1018, | 
 |   27,  27,   28,  59,   60,  91,   92,  123,  124, 155,  156, 187,  188, 219, | 
 |   220, 251,  252, 283,  284, 315,  316, 347,  348, 379,  380, 411,  412, 443, | 
 |   444, 475,  476, 507,  508, 539,  540, 571,  572, 603,  604, 635,  636, 667, | 
 |   668, 699,  700, 731,  732, 763,  764, 795,  796, 827,  828, 859,  860, 891, | 
 |   892, 923,  924, 955,  956, 987,  988, 1019, 28,  28,   29,  60,   61,  92, | 
 |   93,  124,  125, 156,  157, 188,  189, 220,  221, 252,  253, 284,  285, 316, | 
 |   317, 348,  349, 380,  381, 412,  413, 444,  445, 476,  477, 508,  509, 540, | 
 |   541, 572,  573, 604,  605, 636,  637, 668,  669, 700,  701, 732,  733, 764, | 
 |   765, 796,  797, 828,  829, 860,  861, 892,  893, 924,  925, 956,  957, 988, | 
 |   989, 1020, 29,  29,   30,  61,   62,  93,   94,  125,  126, 157,  158, 189, | 
 |   190, 221,  222, 253,  254, 285,  286, 317,  318, 349,  350, 381,  382, 413, | 
 |   414, 445,  446, 477,  478, 509,  510, 541,  542, 573,  574, 605,  606, 637, | 
 |   638, 669,  670, 701,  702, 733,  734, 765,  766, 797,  798, 829,  830, 861, | 
 |   862, 893,  894, 925,  926, 957,  958, 989,  990, 1021, 30,  30,   31,  62, | 
 |   63,  94,   95,  126,  127, 158,  159, 190,  191, 222,  223, 254,  255, 286, | 
 |   287, 318,  319, 350,  351, 382,  383, 414,  415, 446,  447, 478,  479, 510, | 
 |   511, 542,  543, 574,  575, 606,  607, 638,  639, 670,  671, 702,  703, 734, | 
 |   735, 766,  767, 798,  799, 830,  831, 862,  863, 894,  895, 926,  927, 958, | 
 |   959, 990,  991, 1022, 0,   0, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, | 
 |                 mrow_scan_32x32_neighbors[1025 * MAX_NEIGHBORS]) = { | 
 |   0,   0,    0,   0,    1,   1,    2,   2,    3,   3,    4,   4,    5,   5, | 
 |   6,   6,    7,   7,    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,   22,  22,   23,  23,   24,  24,   25,  25,   26,  26, | 
 |   27,  27,   28,  28,   29,  29,   30,  30,   0,   0,    1,   32,   2,   33, | 
 |   3,   34,   4,   35,   5,   36,   6,   37,   7,   38,   8,   39,   9,   40, | 
 |   10,  41,   11,  42,   12,  43,   13,  44,   14,  45,   15,  46,   16,  47, | 
 |   17,  48,   18,  49,   19,  50,   20,  51,   21,  52,   22,  53,   23,  54, | 
 |   24,  55,   25,  56,   26,  57,   27,  58,   28,  59,   29,  60,   30,  61, | 
 |   31,  62,   32,  32,   33,  64,   34,  65,   35,  66,   36,  67,   37,  68, | 
 |   38,  69,   39,  70,   40,  71,   41,  72,   42,  73,   43,  74,   44,  75, | 
 |   45,  76,   46,  77,   47,  78,   48,  79,   49,  80,   50,  81,   51,  82, | 
 |   52,  83,   53,  84,   54,  85,   55,  86,   56,  87,   57,  88,   58,  89, | 
 |   59,  90,   60,  91,   61,  92,   62,  93,   63,  94,   64,  64,   65,  96, | 
 |   66,  97,   67,  98,   68,  99,   69,  100,  70,  101,  71,  102,  72,  103, | 
 |   73,  104,  74,  105,  75,  106,  76,  107,  77,  108,  78,  109,  79,  110, | 
 |   80,  111,  81,  112,  82,  113,  83,  114,  84,  115,  85,  116,  86,  117, | 
 |   87,  118,  88,  119,  89,  120,  90,  121,  91,  122,  92,  123,  93,  124, | 
 |   94,  125,  95,  126,  96,  96,   97,  128,  98,  129,  99,  130,  100, 131, | 
 |   101, 132,  102, 133,  103, 134,  104, 135,  105, 136,  106, 137,  107, 138, | 
 |   108, 139,  109, 140,  110, 141,  111, 142,  112, 143,  113, 144,  114, 145, | 
 |   115, 146,  116, 147,  117, 148,  118, 149,  119, 150,  120, 151,  121, 152, | 
 |   122, 153,  123, 154,  124, 155,  125, 156,  126, 157,  127, 158,  128, 128, | 
 |   129, 160,  130, 161,  131, 162,  132, 163,  133, 164,  134, 165,  135, 166, | 
 |   136, 167,  137, 168,  138, 169,  139, 170,  140, 171,  141, 172,  142, 173, | 
 |   143, 174,  144, 175,  145, 176,  146, 177,  147, 178,  148, 179,  149, 180, | 
 |   150, 181,  151, 182,  152, 183,  153, 184,  154, 185,  155, 186,  156, 187, | 
 |   157, 188,  158, 189,  159, 190,  160, 160,  161, 192,  162, 193,  163, 194, | 
 |   164, 195,  165, 196,  166, 197,  167, 198,  168, 199,  169, 200,  170, 201, | 
 |   171, 202,  172, 203,  173, 204,  174, 205,  175, 206,  176, 207,  177, 208, | 
 |   178, 209,  179, 210,  180, 211,  181, 212,  182, 213,  183, 214,  184, 215, | 
 |   185, 216,  186, 217,  187, 218,  188, 219,  189, 220,  190, 221,  191, 222, | 
 |   192, 192,  193, 224,  194, 225,  195, 226,  196, 227,  197, 228,  198, 229, | 
 |   199, 230,  200, 231,  201, 232,  202, 233,  203, 234,  204, 235,  205, 236, | 
 |   206, 237,  207, 238,  208, 239,  209, 240,  210, 241,  211, 242,  212, 243, | 
 |   213, 244,  214, 245,  215, 246,  216, 247,  217, 248,  218, 249,  219, 250, | 
 |   220, 251,  221, 252,  222, 253,  223, 254,  224, 224,  225, 256,  226, 257, | 
 |   227, 258,  228, 259,  229, 260,  230, 261,  231, 262,  232, 263,  233, 264, | 
 |   234, 265,  235, 266,  236, 267,  237, 268,  238, 269,  239, 270,  240, 271, | 
 |   241, 272,  242, 273,  243, 274,  244, 275,  245, 276,  246, 277,  247, 278, | 
 |   248, 279,  249, 280,  250, 281,  251, 282,  252, 283,  253, 284,  254, 285, | 
 |   255, 286,  256, 256,  257, 288,  258, 289,  259, 290,  260, 291,  261, 292, | 
 |   262, 293,  263, 294,  264, 295,  265, 296,  266, 297,  267, 298,  268, 299, | 
 |   269, 300,  270, 301,  271, 302,  272, 303,  273, 304,  274, 305,  275, 306, | 
 |   276, 307,  277, 308,  278, 309,  279, 310,  280, 311,  281, 312,  282, 313, | 
 |   283, 314,  284, 315,  285, 316,  286, 317,  287, 318,  288, 288,  289, 320, | 
 |   290, 321,  291, 322,  292, 323,  293, 324,  294, 325,  295, 326,  296, 327, | 
 |   297, 328,  298, 329,  299, 330,  300, 331,  301, 332,  302, 333,  303, 334, | 
 |   304, 335,  305, 336,  306, 337,  307, 338,  308, 339,  309, 340,  310, 341, | 
 |   311, 342,  312, 343,  313, 344,  314, 345,  315, 346,  316, 347,  317, 348, | 
 |   318, 349,  319, 350,  320, 320,  321, 352,  322, 353,  323, 354,  324, 355, | 
 |   325, 356,  326, 357,  327, 358,  328, 359,  329, 360,  330, 361,  331, 362, | 
 |   332, 363,  333, 364,  334, 365,  335, 366,  336, 367,  337, 368,  338, 369, | 
 |   339, 370,  340, 371,  341, 372,  342, 373,  343, 374,  344, 375,  345, 376, | 
 |   346, 377,  347, 378,  348, 379,  349, 380,  350, 381,  351, 382,  352, 352, | 
 |   353, 384,  354, 385,  355, 386,  356, 387,  357, 388,  358, 389,  359, 390, | 
 |   360, 391,  361, 392,  362, 393,  363, 394,  364, 395,  365, 396,  366, 397, | 
 |   367, 398,  368, 399,  369, 400,  370, 401,  371, 402,  372, 403,  373, 404, | 
 |   374, 405,  375, 406,  376, 407,  377, 408,  378, 409,  379, 410,  380, 411, | 
 |   381, 412,  382, 413,  383, 414,  384, 384,  385, 416,  386, 417,  387, 418, | 
 |   388, 419,  389, 420,  390, 421,  391, 422,  392, 423,  393, 424,  394, 425, | 
 |   395, 426,  396, 427,  397, 428,  398, 429,  399, 430,  400, 431,  401, 432, | 
 |   402, 433,  403, 434,  404, 435,  405, 436,  406, 437,  407, 438,  408, 439, | 
 |   409, 440,  410, 441,  411, 442,  412, 443,  413, 444,  414, 445,  415, 446, | 
 |   416, 416,  417, 448,  418, 449,  419, 450,  420, 451,  421, 452,  422, 453, | 
 |   423, 454,  424, 455,  425, 456,  426, 457,  427, 458,  428, 459,  429, 460, | 
 |   430, 461,  431, 462,  432, 463,  433, 464,  434, 465,  435, 466,  436, 467, | 
 |   437, 468,  438, 469,  439, 470,  440, 471,  441, 472,  442, 473,  443, 474, | 
 |   444, 475,  445, 476,  446, 477,  447, 478,  448, 448,  449, 480,  450, 481, | 
 |   451, 482,  452, 483,  453, 484,  454, 485,  455, 486,  456, 487,  457, 488, | 
 |   458, 489,  459, 490,  460, 491,  461, 492,  462, 493,  463, 494,  464, 495, | 
 |   465, 496,  466, 497,  467, 498,  468, 499,  469, 500,  470, 501,  471, 502, | 
 |   472, 503,  473, 504,  474, 505,  475, 506,  476, 507,  477, 508,  478, 509, | 
 |   479, 510,  480, 480,  481, 512,  482, 513,  483, 514,  484, 515,  485, 516, | 
 |   486, 517,  487, 518,  488, 519,  489, 520,  490, 521,  491, 522,  492, 523, | 
 |   493, 524,  494, 525,  495, 526,  496, 527,  497, 528,  498, 529,  499, 530, | 
 |   500, 531,  501, 532,  502, 533,  503, 534,  504, 535,  505, 536,  506, 537, | 
 |   507, 538,  508, 539,  509, 540,  510, 541,  511, 542,  512, 512,  513, 544, | 
 |   514, 545,  515, 546,  516, 547,  517, 548,  518, 549,  519, 550,  520, 551, | 
 |   521, 552,  522, 553,  523, 554,  524, 555,  525, 556,  526, 557,  527, 558, | 
 |   528, 559,  529, 560,  530, 561,  531, 562,  532, 563,  533, 564,  534, 565, | 
 |   535, 566,  536, 567,  537, 568,  538, 569,  539, 570,  540, 571,  541, 572, | 
 |   542, 573,  543, 574,  544, 544,  545, 576,  546, 577,  547, 578,  548, 579, | 
 |   549, 580,  550, 581,  551, 582,  552, 583,  553, 584,  554, 585,  555, 586, | 
 |   556, 587,  557, 588,  558, 589,  559, 590,  560, 591,  561, 592,  562, 593, | 
 |   563, 594,  564, 595,  565, 596,  566, 597,  567, 598,  568, 599,  569, 600, | 
 |   570, 601,  571, 602,  572, 603,  573, 604,  574, 605,  575, 606,  576, 576, | 
 |   577, 608,  578, 609,  579, 610,  580, 611,  581, 612,  582, 613,  583, 614, | 
 |   584, 615,  585, 616,  586, 617,  587, 618,  588, 619,  589, 620,  590, 621, | 
 |   591, 622,  592, 623,  593, 624,  594, 625,  595, 626,  596, 627,  597, 628, | 
 |   598, 629,  599, 630,  600, 631,  601, 632,  602, 633,  603, 634,  604, 635, | 
 |   605, 636,  606, 637,  607, 638,  608, 608,  609, 640,  610, 641,  611, 642, | 
 |   612, 643,  613, 644,  614, 645,  615, 646,  616, 647,  617, 648,  618, 649, | 
 |   619, 650,  620, 651,  621, 652,  622, 653,  623, 654,  624, 655,  625, 656, | 
 |   626, 657,  627, 658,  628, 659,  629, 660,  630, 661,  631, 662,  632, 663, | 
 |   633, 664,  634, 665,  635, 666,  636, 667,  637, 668,  638, 669,  639, 670, | 
 |   640, 640,  641, 672,  642, 673,  643, 674,  644, 675,  645, 676,  646, 677, | 
 |   647, 678,  648, 679,  649, 680,  650, 681,  651, 682,  652, 683,  653, 684, | 
 |   654, 685,  655, 686,  656, 687,  657, 688,  658, 689,  659, 690,  660, 691, | 
 |   661, 692,  662, 693,  663, 694,  664, 695,  665, 696,  666, 697,  667, 698, | 
 |   668, 699,  669, 700,  670, 701,  671, 702,  672, 672,  673, 704,  674, 705, | 
 |   675, 706,  676, 707,  677, 708,  678, 709,  679, 710,  680, 711,  681, 712, | 
 |   682, 713,  683, 714,  684, 715,  685, 716,  686, 717,  687, 718,  688, 719, | 
 |   689, 720,  690, 721,  691, 722,  692, 723,  693, 724,  694, 725,  695, 726, | 
 |   696, 727,  697, 728,  698, 729,  699, 730,  700, 731,  701, 732,  702, 733, | 
 |   703, 734,  704, 704,  705, 736,  706, 737,  707, 738,  708, 739,  709, 740, | 
 |   710, 741,  711, 742,  712, 743,  713, 744,  714, 745,  715, 746,  716, 747, | 
 |   717, 748,  718, 749,  719, 750,  720, 751,  721, 752,  722, 753,  723, 754, | 
 |   724, 755,  725, 756,  726, 757,  727, 758,  728, 759,  729, 760,  730, 761, | 
 |   731, 762,  732, 763,  733, 764,  734, 765,  735, 766,  736, 736,  737, 768, | 
 |   738, 769,  739, 770,  740, 771,  741, 772,  742, 773,  743, 774,  744, 775, | 
 |   745, 776,  746, 777,  747, 778,  748, 779,  749, 780,  750, 781,  751, 782, | 
 |   752, 783,  753, 784,  754, 785,  755, 786,  756, 787,  757, 788,  758, 789, | 
 |   759, 790,  760, 791,  761, 792,  762, 793,  763, 794,  764, 795,  765, 796, | 
 |   766, 797,  767, 798,  768, 768,  769, 800,  770, 801,  771, 802,  772, 803, | 
 |   773, 804,  774, 805,  775, 806,  776, 807,  777, 808,  778, 809,  779, 810, | 
 |   780, 811,  781, 812,  782, 813,  783, 814,  784, 815,  785, 816,  786, 817, | 
 |   787, 818,  788, 819,  789, 820,  790, 821,  791, 822,  792, 823,  793, 824, | 
 |   794, 825,  795, 826,  796, 827,  797, 828,  798, 829,  799, 830,  800, 800, | 
 |   801, 832,  802, 833,  803, 834,  804, 835,  805, 836,  806, 837,  807, 838, | 
 |   808, 839,  809, 840,  810, 841,  811, 842,  812, 843,  813, 844,  814, 845, | 
 |   815, 846,  816, 847,  817, 848,  818, 849,  819, 850,  820, 851,  821, 852, | 
 |   822, 853,  823, 854,  824, 855,  825, 856,  826, 857,  827, 858,  828, 859, | 
 |   829, 860,  830, 861,  831, 862,  832, 832,  833, 864,  834, 865,  835, 866, | 
 |   836, 867,  837, 868,  838, 869,  839, 870,  840, 871,  841, 872,  842, 873, | 
 |   843, 874,  844, 875,  845, 876,  846, 877,  847, 878,  848, 879,  849, 880, | 
 |   850, 881,  851, 882,  852, 883,  853, 884,  854, 885,  855, 886,  856, 887, | 
 |   857, 888,  858, 889,  859, 890,  860, 891,  861, 892,  862, 893,  863, 894, | 
 |   864, 864,  865, 896,  866, 897,  867, 898,  868, 899,  869, 900,  870, 901, | 
 |   871, 902,  872, 903,  873, 904,  874, 905,  875, 906,  876, 907,  877, 908, | 
 |   878, 909,  879, 910,  880, 911,  881, 912,  882, 913,  883, 914,  884, 915, | 
 |   885, 916,  886, 917,  887, 918,  888, 919,  889, 920,  890, 921,  891, 922, | 
 |   892, 923,  893, 924,  894, 925,  895, 926,  896, 896,  897, 928,  898, 929, | 
 |   899, 930,  900, 931,  901, 932,  902, 933,  903, 934,  904, 935,  905, 936, | 
 |   906, 937,  907, 938,  908, 939,  909, 940,  910, 941,  911, 942,  912, 943, | 
 |   913, 944,  914, 945,  915, 946,  916, 947,  917, 948,  918, 949,  919, 950, | 
 |   920, 951,  921, 952,  922, 953,  923, 954,  924, 955,  925, 956,  926, 957, | 
 |   927, 958,  928, 928,  929, 960,  930, 961,  931, 962,  932, 963,  933, 964, | 
 |   934, 965,  935, 966,  936, 967,  937, 968,  938, 969,  939, 970,  940, 971, | 
 |   941, 972,  942, 973,  943, 974,  944, 975,  945, 976,  946, 977,  947, 978, | 
 |   948, 979,  949, 980,  950, 981,  951, 982,  952, 983,  953, 984,  954, 985, | 
 |   955, 986,  956, 987,  957, 988,  958, 989,  959, 990,  960, 960,  961, 992, | 
 |   962, 993,  963, 994,  964, 995,  965, 996,  966, 997,  967, 998,  968, 999, | 
 |   969, 1000, 970, 1001, 971, 1002, 972, 1003, 973, 1004, 974, 1005, 975, 1006, | 
 |   976, 1007, 977, 1008, 978, 1009, 979, 1010, 980, 1011, 981, 1012, 982, 1013, | 
 |   983, 1014, 984, 1015, 985, 1016, 986, 1017, 987, 1018, 988, 1019, 989, 1020, | 
 |   990, 1021, 991, 1022, 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,    2,   2, | 
 |   2,   33,   33,  64,   64,  64,   96,  96,   65,  96,  34,  65,   3,   34, | 
 |   3,   3,    4,   4,    4,   35,   35,  66,   66,  97,  97,  128,  128, 128, | 
 |   160, 160,  129, 160,  98,  129,  67,  98,   36,  67,  5,   36,   5,   5, | 
 |   6,   6,    6,   37,   37,  68,   68,  99,   99,  130, 130, 161,  161, 192, | 
 |   192, 192,  224, 224,  193, 224,  162, 193,  131, 162, 100, 131,  69,  100, | 
 |   38,  69,   7,   38,   7,   7,    8,   8,    8,   39,  39,  70,   70,  101, | 
 |   101, 132,  132, 163,  163, 194,  194, 225,  225, 256, 256, 256,  288, 288, | 
 |   257, 288,  226, 257,  195, 226,  164, 195,  133, 164, 102, 133,  71,  102, | 
 |   40,  71,   9,   40,   9,   9,    10,  10,   10,  41,  41,  72,   72,  103, | 
 |   103, 134,  134, 165,  165, 196,  196, 227,  227, 258, 258, 289,  289, 320, | 
 |   320, 320,  352, 352,  321, 352,  290, 321,  259, 290, 228, 259,  197, 228, | 
 |   166, 197,  135, 166,  104, 135,  73,  104,  42,  73,  11,  42,   11,  11, | 
 |   12,  12,   12,  43,   43,  74,   74,  105,  105, 136, 136, 167,  167, 198, | 
 |   198, 229,  229, 260,  260, 291,  291, 322,  322, 353, 353, 384,  384, 384, | 
 |   416, 416,  385, 416,  354, 385,  323, 354,  292, 323, 261, 292,  230, 261, | 
 |   199, 230,  168, 199,  137, 168,  106, 137,  75,  106, 44,  75,   13,  44, | 
 |   13,  13,   14,  14,   14,  45,   45,  76,   76,  107, 107, 138,  138, 169, | 
 |   169, 200,  200, 231,  231, 262,  262, 293,  293, 324, 324, 355,  355, 386, | 
 |   386, 417,  417, 448,  448, 448,  480, 480,  449, 480, 418, 449,  387, 418, | 
 |   356, 387,  325, 356,  294, 325,  263, 294,  232, 263, 201, 232,  170, 201, | 
 |   139, 170,  108, 139,  77,  108,  46,  77,   15,  46,  15,  15,   16,  16, | 
 |   16,  47,   47,  78,   78,  109,  109, 140,  140, 171, 171, 202,  202, 233, | 
 |   233, 264,  264, 295,  295, 326,  326, 357,  357, 388, 388, 419,  419, 450, | 
 |   450, 481,  481, 512,  512, 512,  544, 544,  513, 544, 482, 513,  451, 482, | 
 |   420, 451,  389, 420,  358, 389,  327, 358,  296, 327, 265, 296,  234, 265, | 
 |   203, 234,  172, 203,  141, 172,  110, 141,  79,  110, 48,  79,   17,  48, | 
 |   17,  17,   18,  18,   18,  49,   49,  80,   80,  111, 111, 142,  142, 173, | 
 |   173, 204,  204, 235,  235, 266,  266, 297,  297, 328, 328, 359,  359, 390, | 
 |   390, 421,  421, 452,  452, 483,  483, 514,  514, 545, 545, 576,  576, 576, | 
 |   608, 608,  577, 608,  546, 577,  515, 546,  484, 515, 453, 484,  422, 453, | 
 |   391, 422,  360, 391,  329, 360,  298, 329,  267, 298, 236, 267,  205, 236, | 
 |   174, 205,  143, 174,  112, 143,  81,  112,  50,  81,  19,  50,   19,  19, | 
 |   20,  20,   20,  51,   51,  82,   82,  113,  113, 144, 144, 175,  175, 206, | 
 |   206, 237,  237, 268,  268, 299,  299, 330,  330, 361, 361, 392,  392, 423, | 
 |   423, 454,  454, 485,  485, 516,  516, 547,  547, 578, 578, 609,  609, 640, | 
 |   640, 640,  672, 672,  641, 672,  610, 641,  579, 610, 548, 579,  517, 548, | 
 |   486, 517,  455, 486,  424, 455,  393, 424,  362, 393, 331, 362,  300, 331, | 
 |   269, 300,  238, 269,  207, 238,  176, 207,  145, 176, 114, 145,  83,  114, | 
 |   52,  83,   21,  52,   21,  21,   22,  22,   22,  53,  53,  84,   84,  115, | 
 |   115, 146,  146, 177,  177, 208,  208, 239,  239, 270, 270, 301,  301, 332, | 
 |   332, 363,  363, 394,  394, 425,  425, 456,  456, 487, 487, 518,  518, 549, | 
 |   549, 580,  580, 611,  611, 642,  642, 673,  673, 704, 704, 704,  736, 736, | 
 |   705, 736,  674, 705,  643, 674,  612, 643,  581, 612, 550, 581,  519, 550, | 
 |   488, 519,  457, 488,  426, 457,  395, 426,  364, 395, 333, 364,  302, 333, | 
 |   271, 302,  240, 271,  209, 240,  178, 209,  147, 178, 116, 147,  85,  116, | 
 |   54,  85,   23,  54,   23,  23,   24,  24,   24,  55,  55,  86,   86,  117, | 
 |   117, 148,  148, 179,  179, 210,  210, 241,  241, 272, 272, 303,  303, 334, | 
 |   334, 365,  365, 396,  396, 427,  427, 458,  458, 489, 489, 520,  520, 551, | 
 |   551, 582,  582, 613,  613, 644,  644, 675,  675, 706, 706, 737,  737, 768, | 
 |   768, 768,  800, 800,  769, 800,  738, 769,  707, 738, 676, 707,  645, 676, | 
 |   614, 645,  583, 614,  552, 583,  521, 552,  490, 521, 459, 490,  428, 459, | 
 |   397, 428,  366, 397,  335, 366,  304, 335,  273, 304, 242, 273,  211, 242, | 
 |   180, 211,  149, 180,  118, 149,  87,  118,  56,  87,  25,  56,   25,  25, | 
 |   26,  26,   26,  57,   57,  88,   88,  119,  119, 150, 150, 181,  181, 212, | 
 |   212, 243,  243, 274,  274, 305,  305, 336,  336, 367, 367, 398,  398, 429, | 
 |   429, 460,  460, 491,  491, 522,  522, 553,  553, 584, 584, 615,  615, 646, | 
 |   646, 677,  677, 708,  708, 739,  739, 770,  770, 801, 801, 832,  832, 832, | 
 |   864, 864,  833, 864,  802, 833,  771, 802,  740, 771, 709, 740,  678, 709, | 
 |   647, 678,  616, 647,  585, 616,  554, 585,  523, 554, 492, 523,  461, 492, | 
 |   430, 461,  399, 430,  368, 399,  337, 368,  306, 337, 275, 306,  244, 275, | 
 |   213, 244,  182, 213,  151, 182,  120, 151,  89,  120, 58,  89,   27,  58, | 
 |   27,  27,   28,  28,   28,  59,   59,  90,   90,  121, 121, 152,  152, 183, | 
 |   183, 214,  214, 245,  245, 276,  276, 307,  307, 338, 338, 369,  369, 400, | 
 |   400, 431,  431, 462,  462, 493,  493, 524,  524, 555, 555, 586,  586, 617, | 
 |   617, 648,  648, 679,  679, 710,  710, 741,  741, 772, 772, 803,  803, 834, | 
 |   834, 865,  865, 896,  896, 896,  928, 928,  897, 928, 866, 897,  835, 866, | 
 |   804, 835,  773, 804,  742, 773,  711, 742,  680, 711, 649, 680,  618, 649, | 
 |   587, 618,  556, 587,  525, 556,  494, 525,  463, 494, 432, 463,  401, 432, | 
 |   370, 401,  339, 370,  308, 339,  277, 308,  246, 277, 215, 246,  184, 215, | 
 |   153, 184,  122, 153,  91,  122,  60,  91,   29,  60,  29,  29,   30,  30, | 
 |   30,  61,   61,  92,   92,  123,  123, 154,  154, 185, 185, 216,  216, 247, | 
 |   247, 278,  278, 309,  309, 340,  340, 371,  371, 402, 402, 433,  433, 464, | 
 |   464, 495,  495, 526,  526, 557,  557, 588,  588, 619, 619, 650,  650, 681, | 
 |   681, 712,  712, 743,  743, 774,  774, 805,  805, 836, 836, 867,  867, 898, | 
 |   898, 929,  929, 960,  960, 960,  961, 992,  930, 961, 899, 930,  868, 899, | 
 |   837, 868,  806, 837,  775, 806,  744, 775,  713, 744, 682, 713,  651, 682, | 
 |   620, 651,  589, 620,  558, 589,  527, 558,  496, 527, 465, 496,  434, 465, | 
 |   403, 434,  372, 403,  341, 372,  310, 341,  279, 310, 248, 279,  217, 248, | 
 |   186, 217,  155, 186,  124, 155,  93,  124,  62,  93,  31,  62,   63,  94, | 
 |   94,  125,  125, 156,  156, 187,  187, 218,  218, 249, 249, 280,  280, 311, | 
 |   311, 342,  342, 373,  373, 404,  404, 435,  435, 466, 466, 497,  497, 528, | 
 |   528, 559,  559, 590,  590, 621,  621, 652,  652, 683, 683, 714,  714, 745, | 
 |   745, 776,  776, 807,  807, 838,  838, 869,  869, 900, 900, 931,  931, 962, | 
 |   962, 993,  963, 994,  932, 963,  901, 932,  870, 901, 839, 870,  808, 839, | 
 |   777, 808,  746, 777,  715, 746,  684, 715,  653, 684, 622, 653,  591, 622, | 
 |   560, 591,  529, 560,  498, 529,  467, 498,  436, 467, 405, 436,  374, 405, | 
 |   343, 374,  312, 343,  281, 312,  250, 281,  219, 250, 188, 219,  157, 188, | 
 |   126, 157,  95,  126,  127, 158,  158, 189,  189, 220, 220, 251,  251, 282, | 
 |   282, 313,  313, 344,  344, 375,  375, 406,  406, 437, 437, 468,  468, 499, | 
 |   499, 530,  530, 561,  561, 592,  592, 623,  623, 654, 654, 685,  685, 716, | 
 |   716, 747,  747, 778,  778, 809,  809, 840,  840, 871, 871, 902,  902, 933, | 
 |   933, 964,  964, 995,  965, 996,  934, 965,  903, 934, 872, 903,  841, 872, | 
 |   810, 841,  779, 810,  748, 779,  717, 748,  686, 717, 655, 686,  624, 655, | 
 |   593, 624,  562, 593,  531, 562,  500, 531,  469, 500, 438, 469,  407, 438, | 
 |   376, 407,  345, 376,  314, 345,  283, 314,  252, 283, 221, 252,  190, 221, | 
 |   159, 190,  191, 222,  222, 253,  253, 284,  284, 315, 315, 346,  346, 377, | 
 |   377, 408,  408, 439,  439, 470,  470, 501,  501, 532, 532, 563,  563, 594, | 
 |   594, 625,  625, 656,  656, 687,  687, 718,  718, 749, 749, 780,  780, 811, | 
 |   811, 842,  842, 873,  873, 904,  904, 935,  935, 966, 966, 997,  967, 998, | 
 |   936, 967,  905, 936,  874, 905,  843, 874,  812, 843, 781, 812,  750, 781, | 
 |   719, 750,  688, 719,  657, 688,  626, 657,  595, 626, 564, 595,  533, 564, | 
 |   502, 533,  471, 502,  440, 471,  409, 440,  378, 409, 347, 378,  316, 347, | 
 |   285, 316,  254, 285,  223, 254,  255, 286,  286, 317, 317, 348,  348, 379, | 
 |   379, 410,  410, 441,  441, 472,  472, 503,  503, 534, 534, 565,  565, 596, | 
 |   596, 627,  627, 658,  658, 689,  689, 720,  720, 751, 751, 782,  782, 813, | 
 |   813, 844,  844, 875,  875, 906,  906, 937,  937, 968, 968, 999,  969, 1000, | 
 |   938, 969,  907, 938,  876, 907,  845, 876,  814, 845, 783, 814,  752, 783, | 
 |   721, 752,  690, 721,  659, 690,  628, 659,  597, 628, 566, 597,  535, 566, | 
 |   504, 535,  473, 504,  442, 473,  411, 442,  380, 411, 349, 380,  318, 349, | 
 |   287, 318,  319, 350,  350, 381,  381, 412,  412, 443, 443, 474,  474, 505, | 
 |   505, 536,  536, 567,  567, 598,  598, 629,  629, 660, 660, 691,  691, 722, | 
 |   722, 753,  753, 784,  784, 815,  815, 846,  846, 877, 877, 908,  908, 939, | 
 |   939, 970,  970, 1001, 971, 1002, 940, 971,  909, 940, 878, 909,  847, 878, | 
 |   816, 847,  785, 816,  754, 785,  723, 754,  692, 723, 661, 692,  630, 661, | 
 |   599, 630,  568, 599,  537, 568,  506, 537,  475, 506, 444, 475,  413, 444, | 
 |   382, 413,  351, 382,  383, 414,  414, 445,  445, 476, 476, 507,  507, 538, | 
 |   538, 569,  569, 600,  600, 631,  631, 662,  662, 693, 693, 724,  724, 755, | 
 |   755, 786,  786, 817,  817, 848,  848, 879,  879, 910, 910, 941,  941, 972, | 
 |   972, 1003, 973, 1004, 942, 973,  911, 942,  880, 911, 849, 880,  818, 849, | 
 |   787, 818,  756, 787,  725, 756,  694, 725,  663, 694, 632, 663,  601, 632, | 
 |   570, 601,  539, 570,  508, 539,  477, 508,  446, 477, 415, 446,  447, 478, | 
 |   478, 509,  509, 540,  540, 571,  571, 602,  602, 633, 633, 664,  664, 695, | 
 |   695, 726,  726, 757,  757, 788,  788, 819,  819, 850, 850, 881,  881, 912, | 
 |   912, 943,  943, 974,  974, 1005, 975, 1006, 944, 975, 913, 944,  882, 913, | 
 |   851, 882,  820, 851,  789, 820,  758, 789,  727, 758, 696, 727,  665, 696, | 
 |   634, 665,  603, 634,  572, 603,  541, 572,  510, 541, 479, 510,  511, 542, | 
 |   542, 573,  573, 604,  604, 635,  635, 666,  666, 697, 697, 728,  728, 759, | 
 |   759, 790,  790, 821,  821, 852,  852, 883,  883, 914, 914, 945,  945, 976, | 
 |   976, 1007, 977, 1008, 946, 977,  915, 946,  884, 915, 853, 884,  822, 853, | 
 |   791, 822,  760, 791,  729, 760,  698, 729,  667, 698, 636, 667,  605, 636, | 
 |   574, 605,  543, 574,  575, 606,  606, 637,  637, 668, 668, 699,  699, 730, | 
 |   730, 761,  761, 792,  792, 823,  823, 854,  854, 885, 885, 916,  916, 947, | 
 |   947, 978,  978, 1009, 979, 1010, 948, 979,  917, 948, 886, 917,  855, 886, | 
 |   824, 855,  793, 824,  762, 793,  731, 762,  700, 731, 669, 700,  638, 669, | 
 |   607, 638,  639, 670,  670, 701,  701, 732,  732, 763, 763, 794,  794, 825, | 
 |   825, 856,  856, 887,  887, 918,  918, 949,  949, 980, 980, 1011, 981, 1012, | 
 |   950, 981,  919, 950,  888, 919,  857, 888,  826, 857, 795, 826,  764, 795, | 
 |   733, 764,  702, 733,  671, 702,  703, 734,  734, 765, 765, 796,  796, 827, | 
 |   827, 858,  858, 889,  889, 920,  920, 951,  951, 982, 982, 1013, 983, 1014, | 
 |   952, 983,  921, 952,  890, 921,  859, 890,  828, 859, 797, 828,  766, 797, | 
 |   735, 766,  767, 798,  798, 829,  829, 860,  860, 891, 891, 922,  922, 953, | 
 |   953, 984,  984, 1015, 985, 1016, 954, 985,  923, 954, 892, 923,  861, 892, | 
 |   830, 861,  799, 830,  831, 862,  862, 893,  893, 924, 924, 955,  955, 986, | 
 |   986, 1017, 987, 1018, 956, 987,  925, 956,  894, 925, 863, 894,  895, 926, | 
 |   926, 957,  957, 988,  988, 1019, 989, 1020, 958, 989, 927, 958,  959, 990, | 
 |   990, 1021, 991, 1022, 0,   0 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_default_iscan_4x4[16]) = { | 
 |   0, 1, 5, 6, 2, 4, 7, 12, 3, 8, 11, 13, 9, 10, 14, 15 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_mcol_iscan_4x4[16]) = { | 
 |   0, 4, 8, 12, 1, 5, 9, 13, 2, 6, 10, 14, 3, 7, 11, 15, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_mrow_iscan_4x4[16]) = { | 
 |   0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_default_iscan_4x8[32]) = { | 
 |   0,  1,  3,  6,  2,  4,  7,  10, 5,  8,  11, 14, 9,  12, 15, 18, | 
 |   13, 16, 19, 22, 17, 20, 23, 26, 21, 24, 27, 29, 25, 28, 30, 31, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_mcol_iscan_4x8[32]) = { | 
 |   0, 8,  16, 24, 1, 9,  17, 25, 2, 10, 18, 26, 3, 11, 19, 27, | 
 |   4, 12, 20, 28, 5, 13, 21, 29, 6, 14, 22, 30, 7, 15, 23, 31, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_mrow_iscan_4x8[32]) = { | 
 |   0,  1,  2,  3,  4,  5,  6,  7,  8,  9,  10, 11, 12, 13, 14, 15, | 
 |   16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_default_iscan_8x4[32]) = { | 
 |   0, 2, 5,  9,  13, 17, 21, 25, 1, 4,  8,  12, 16, 20, 24, 28, | 
 |   3, 7, 11, 15, 19, 23, 27, 30, 6, 10, 14, 18, 22, 26, 29, 31, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_mcol_iscan_8x4[32]) = { | 
 |   0, 4, 8,  12, 16, 20, 24, 28, 1, 5, 9,  13, 17, 21, 25, 29, | 
 |   2, 6, 10, 14, 18, 22, 26, 30, 3, 7, 11, 15, 19, 23, 27, 31, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_mrow_iscan_8x4[32]) = { | 
 |   0,  1,  2,  3,  4,  5,  6,  7,  8,  9,  10, 11, 12, 13, 14, 15, | 
 |   16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_default_iscan_4x16[64]) = { | 
 |   0,  1,  3,  6,  2,  4,  7,  10, 5,  8,  11, 14, 9,  12, 15, 18, | 
 |   13, 16, 19, 22, 17, 20, 23, 26, 21, 24, 27, 30, 25, 28, 31, 34, | 
 |   29, 32, 35, 38, 33, 36, 39, 42, 37, 40, 43, 46, 41, 44, 47, 50, | 
 |   45, 48, 51, 54, 49, 52, 55, 58, 53, 56, 59, 61, 57, 60, 62, 63, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_default_iscan_16x4[64]) = { | 
 |   0, 2,  5,  9,  13, 17, 21, 25, 29, 33, 37, 41, 45, 49, 53, 57, | 
 |   1, 4,  8,  12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, | 
 |   3, 7,  11, 15, 19, 23, 27, 31, 35, 39, 43, 47, 51, 55, 59, 62, | 
 |   6, 10, 14, 18, 22, 26, 30, 34, 38, 42, 46, 50, 54, 58, 61, 63, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_mrow_iscan_4x16[64]) = { | 
 |   0,  1,  2,  3,  4,  5,  6,  7,  8,  9,  10, 11, 12, 13, 14, 15, | 
 |   16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, | 
 |   32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, | 
 |   48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_mrow_iscan_16x4[64]) = { | 
 |   0,  1,  2,  3,  4,  5,  6,  7,  8,  9,  10, 11, 12, 13, 14, 15, | 
 |   16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, | 
 |   32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, | 
 |   48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_mcol_iscan_4x16[64]) = { | 
 |   0,  16, 32, 48, 1,  17, 33, 49, 2,  18, 34, 50, 3,  19, 35, 51, | 
 |   4,  20, 36, 52, 5,  21, 37, 53, 6,  22, 38, 54, 7,  23, 39, 55, | 
 |   8,  24, 40, 56, 9,  25, 41, 57, 10, 26, 42, 58, 11, 27, 43, 59, | 
 |   12, 28, 44, 60, 13, 29, 45, 61, 14, 30, 46, 62, 15, 31, 47, 63, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_mcol_iscan_16x4[64]) = { | 
 |   0, 4, 8,  12, 16, 20, 24, 28, 32, 36, 40, 44, 48, 52, 56, 60, | 
 |   1, 5, 9,  13, 17, 21, 25, 29, 33, 37, 41, 45, 49, 53, 57, 61, | 
 |   2, 6, 10, 14, 18, 22, 26, 30, 34, 38, 42, 46, 50, 54, 58, 62, | 
 |   3, 7, 11, 15, 19, 23, 27, 31, 35, 39, 43, 47, 51, 55, 59, 63, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_default_iscan_8x32[256]) = { | 
 |   0,   1,   3,   6,   10,  15,  21,  28,  2,   4,   7,   11,  16,  22,  29, | 
 |   36,  5,   8,   12,  17,  23,  30,  37,  44,  9,   13,  18,  24,  31,  38, | 
 |   45,  52,  14,  19,  25,  32,  39,  46,  53,  60,  20,  26,  33,  40,  47, | 
 |   54,  61,  68,  27,  34,  41,  48,  55,  62,  69,  76,  35,  42,  49,  56, | 
 |   63,  70,  77,  84,  43,  50,  57,  64,  71,  78,  85,  92,  51,  58,  65, | 
 |   72,  79,  86,  93,  100, 59,  66,  73,  80,  87,  94,  101, 108, 67,  74, | 
 |   81,  88,  95,  102, 109, 116, 75,  82,  89,  96,  103, 110, 117, 124, 83, | 
 |   90,  97,  104, 111, 118, 125, 132, 91,  98,  105, 112, 119, 126, 133, 140, | 
 |   99,  106, 113, 120, 127, 134, 141, 148, 107, 114, 121, 128, 135, 142, 149, | 
 |   156, 115, 122, 129, 136, 143, 150, 157, 164, 123, 130, 137, 144, 151, 158, | 
 |   165, 172, 131, 138, 145, 152, 159, 166, 173, 180, 139, 146, 153, 160, 167, | 
 |   174, 181, 188, 147, 154, 161, 168, 175, 182, 189, 196, 155, 162, 169, 176, | 
 |   183, 190, 197, 204, 163, 170, 177, 184, 191, 198, 205, 212, 171, 178, 185, | 
 |   192, 199, 206, 213, 220, 179, 186, 193, 200, 207, 214, 221, 228, 187, 194, | 
 |   201, 208, 215, 222, 229, 235, 195, 202, 209, 216, 223, 230, 236, 241, 203, | 
 |   210, 217, 224, 231, 237, 242, 246, 211, 218, 225, 232, 238, 243, 247, 250, | 
 |   219, 226, 233, 239, 244, 248, 251, 253, 227, 234, 240, 245, 249, 252, 254, | 
 |   255, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_default_iscan_32x8[256]) = { | 
 |   0,   2,   5,   9,   14,  20,  27,  35,  43,  51,  59,  67,  75,  83,  91, | 
 |   99,  107, 115, 123, 131, 139, 147, 155, 163, 171, 179, 187, 195, 203, 211, | 
 |   219, 227, 1,   4,   8,   13,  19,  26,  34,  42,  50,  58,  66,  74,  82, | 
 |   90,  98,  106, 114, 122, 130, 138, 146, 154, 162, 170, 178, 186, 194, 202, | 
 |   210, 218, 226, 234, 3,   7,   12,  18,  25,  33,  41,  49,  57,  65,  73, | 
 |   81,  89,  97,  105, 113, 121, 129, 137, 145, 153, 161, 169, 177, 185, 193, | 
 |   201, 209, 217, 225, 233, 240, 6,   11,  17,  24,  32,  40,  48,  56,  64, | 
 |   72,  80,  88,  96,  104, 112, 120, 128, 136, 144, 152, 160, 168, 176, 184, | 
 |   192, 200, 208, 216, 224, 232, 239, 245, 10,  16,  23,  31,  39,  47,  55, | 
 |   63,  71,  79,  87,  95,  103, 111, 119, 127, 135, 143, 151, 159, 167, 175, | 
 |   183, 191, 199, 207, 215, 223, 231, 238, 244, 249, 15,  22,  30,  38,  46, | 
 |   54,  62,  70,  78,  86,  94,  102, 110, 118, 126, 134, 142, 150, 158, 166, | 
 |   174, 182, 190, 198, 206, 214, 222, 230, 237, 243, 248, 252, 21,  29,  37, | 
 |   45,  53,  61,  69,  77,  85,  93,  101, 109, 117, 125, 133, 141, 149, 157, | 
 |   165, 173, 181, 189, 197, 205, 213, 221, 229, 236, 242, 247, 251, 254, 28, | 
 |   36,  44,  52,  60,  68,  76,  84,  92,  100, 108, 116, 124, 132, 140, 148, | 
 |   156, 164, 172, 180, 188, 196, 204, 212, 220, 228, 235, 241, 246, 250, 253, | 
 |   255, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_mrow_iscan_8x32[256]) = { | 
 |   0,   1,   2,   3,   4,   5,   6,   7,   8,   9,   10,  11,  12,  13,  14, | 
 |   15,  16,  17,  18,  19,  20,  21,  22,  23,  24,  25,  26,  27,  28,  29, | 
 |   30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,  44, | 
 |   45,  46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59, | 
 |   60,  61,  62,  63,  64,  65,  66,  67,  68,  69,  70,  71,  72,  73,  74, | 
 |   75,  76,  77,  78,  79,  80,  81,  82,  83,  84,  85,  86,  87,  88,  89, | 
 |   90,  91,  92,  93,  94,  95,  96,  97,  98,  99,  100, 101, 102, 103, 104, | 
 |   105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, | 
 |   120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, | 
 |   135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, | 
 |   150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, | 
 |   165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, | 
 |   180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, | 
 |   195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, | 
 |   210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, | 
 |   225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, | 
 |   240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, | 
 |   255, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_mrow_iscan_32x8[256]) = { | 
 |   0,   1,   2,   3,   4,   5,   6,   7,   8,   9,   10,  11,  12,  13,  14, | 
 |   15,  16,  17,  18,  19,  20,  21,  22,  23,  24,  25,  26,  27,  28,  29, | 
 |   30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,  44, | 
 |   45,  46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59, | 
 |   60,  61,  62,  63,  64,  65,  66,  67,  68,  69,  70,  71,  72,  73,  74, | 
 |   75,  76,  77,  78,  79,  80,  81,  82,  83,  84,  85,  86,  87,  88,  89, | 
 |   90,  91,  92,  93,  94,  95,  96,  97,  98,  99,  100, 101, 102, 103, 104, | 
 |   105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, | 
 |   120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, | 
 |   135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, | 
 |   150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, | 
 |   165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, | 
 |   180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, | 
 |   195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, | 
 |   210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, | 
 |   225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, | 
 |   240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, | 
 |   255, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_mcol_iscan_8x32[256]) = { | 
 |   0,  32, 64, 96,  128, 160, 192, 224, 1,  33, 65, 97,  129, 161, 193, 225, | 
 |   2,  34, 66, 98,  130, 162, 194, 226, 3,  35, 67, 99,  131, 163, 195, 227, | 
 |   4,  36, 68, 100, 132, 164, 196, 228, 5,  37, 69, 101, 133, 165, 197, 229, | 
 |   6,  38, 70, 102, 134, 166, 198, 230, 7,  39, 71, 103, 135, 167, 199, 231, | 
 |   8,  40, 72, 104, 136, 168, 200, 232, 9,  41, 73, 105, 137, 169, 201, 233, | 
 |   10, 42, 74, 106, 138, 170, 202, 234, 11, 43, 75, 107, 139, 171, 203, 235, | 
 |   12, 44, 76, 108, 140, 172, 204, 236, 13, 45, 77, 109, 141, 173, 205, 237, | 
 |   14, 46, 78, 110, 142, 174, 206, 238, 15, 47, 79, 111, 143, 175, 207, 239, | 
 |   16, 48, 80, 112, 144, 176, 208, 240, 17, 49, 81, 113, 145, 177, 209, 241, | 
 |   18, 50, 82, 114, 146, 178, 210, 242, 19, 51, 83, 115, 147, 179, 211, 243, | 
 |   20, 52, 84, 116, 148, 180, 212, 244, 21, 53, 85, 117, 149, 181, 213, 245, | 
 |   22, 54, 86, 118, 150, 182, 214, 246, 23, 55, 87, 119, 151, 183, 215, 247, | 
 |   24, 56, 88, 120, 152, 184, 216, 248, 25, 57, 89, 121, 153, 185, 217, 249, | 
 |   26, 58, 90, 122, 154, 186, 218, 250, 27, 59, 91, 123, 155, 187, 219, 251, | 
 |   28, 60, 92, 124, 156, 188, 220, 252, 29, 61, 93, 125, 157, 189, 221, 253, | 
 |   30, 62, 94, 126, 158, 190, 222, 254, 31, 63, 95, 127, 159, 191, 223, 255, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_mcol_iscan_32x8[256]) = { | 
 |   0,   8,   16,  24,  32,  40,  48,  56,  64,  72,  80,  88,  96,  104, 112, | 
 |   120, 128, 136, 144, 152, 160, 168, 176, 184, 192, 200, 208, 216, 224, 232, | 
 |   240, 248, 1,   9,   17,  25,  33,  41,  49,  57,  65,  73,  81,  89,  97, | 
 |   105, 113, 121, 129, 137, 145, 153, 161, 169, 177, 185, 193, 201, 209, 217, | 
 |   225, 233, 241, 249, 2,   10,  18,  26,  34,  42,  50,  58,  66,  74,  82, | 
 |   90,  98,  106, 114, 122, 130, 138, 146, 154, 162, 170, 178, 186, 194, 202, | 
 |   210, 218, 226, 234, 242, 250, 3,   11,  19,  27,  35,  43,  51,  59,  67, | 
 |   75,  83,  91,  99,  107, 115, 123, 131, 139, 147, 155, 163, 171, 179, 187, | 
 |   195, 203, 211, 219, 227, 235, 243, 251, 4,   12,  20,  28,  36,  44,  52, | 
 |   60,  68,  76,  84,  92,  100, 108, 116, 124, 132, 140, 148, 156, 164, 172, | 
 |   180, 188, 196, 204, 212, 220, 228, 236, 244, 252, 5,   13,  21,  29,  37, | 
 |   45,  53,  61,  69,  77,  85,  93,  101, 109, 117, 125, 133, 141, 149, 157, | 
 |   165, 173, 181, 189, 197, 205, 213, 221, 229, 237, 245, 253, 6,   14,  22, | 
 |   30,  38,  46,  54,  62,  70,  78,  86,  94,  102, 110, 118, 126, 134, 142, | 
 |   150, 158, 166, 174, 182, 190, 198, 206, 214, 222, 230, 238, 246, 254, 7, | 
 |   15,  23,  31,  39,  47,  55,  63,  71,  79,  87,  95,  103, 111, 119, 127, | 
 |   135, 143, 151, 159, 167, 175, 183, 191, 199, 207, 215, 223, 231, 239, 247, | 
 |   255, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_mcol_iscan_8x8[64]) = { | 
 |   0, 8,  16, 24, 32, 40, 48, 56, 1, 9,  17, 25, 33, 41, 49, 57, | 
 |   2, 10, 18, 26, 34, 42, 50, 58, 3, 11, 19, 27, 35, 43, 51, 59, | 
 |   4, 12, 20, 28, 36, 44, 52, 60, 5, 13, 21, 29, 37, 45, 53, 61, | 
 |   6, 14, 22, 30, 38, 46, 54, 62, 7, 15, 23, 31, 39, 47, 55, 63, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_mrow_iscan_8x8[64]) = { | 
 |   0,  1,  2,  3,  4,  5,  6,  7,  8,  9,  10, 11, 12, 13, 14, 15, | 
 |   16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, | 
 |   32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, | 
 |   48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_default_iscan_8x8[64]) = { | 
 |   0,  1,  5,  6,  14, 15, 27, 28, 2,  4,  7,  13, 16, 26, 29, 42, | 
 |   3,  8,  12, 17, 25, 30, 41, 43, 9,  11, 18, 24, 31, 40, 44, 53, | 
 |   10, 19, 23, 32, 39, 45, 52, 54, 20, 22, 33, 38, 46, 51, 55, 60, | 
 |   21, 34, 37, 47, 50, 56, 59, 61, 35, 36, 48, 49, 57, 58, 62, 63 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_default_iscan_8x16[128]) = { | 
 |   0,  1,  3,   6,   10,  15,  21,  28,  2,  4,   7,   11,  16,  22,  29,  36, | 
 |   5,  8,  12,  17,  23,  30,  37,  44,  9,  13,  18,  24,  31,  38,  45,  52, | 
 |   14, 19, 25,  32,  39,  46,  53,  60,  20, 26,  33,  40,  47,  54,  61,  68, | 
 |   27, 34, 41,  48,  55,  62,  69,  76,  35, 42,  49,  56,  63,  70,  77,  84, | 
 |   43, 50, 57,  64,  71,  78,  85,  92,  51, 58,  65,  72,  79,  86,  93,  100, | 
 |   59, 66, 73,  80,  87,  94,  101, 107, 67, 74,  81,  88,  95,  102, 108, 113, | 
 |   75, 82, 89,  96,  103, 109, 114, 118, 83, 90,  97,  104, 110, 115, 119, 122, | 
 |   91, 98, 105, 111, 116, 120, 123, 125, 99, 106, 112, 117, 121, 124, 126, 127, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_default_iscan_16x8[128]) = { | 
 |   0,  2,  5,  9,  14, 20, 27, 35, 43, 51,  59,  67,  75,  83,  91,  99, | 
 |   1,  4,  8,  13, 19, 26, 34, 42, 50, 58,  66,  74,  82,  90,  98,  106, | 
 |   3,  7,  12, 18, 25, 33, 41, 49, 57, 65,  73,  81,  89,  97,  105, 112, | 
 |   6,  11, 17, 24, 32, 40, 48, 56, 64, 72,  80,  88,  96,  104, 111, 117, | 
 |   10, 16, 23, 31, 39, 47, 55, 63, 71, 79,  87,  95,  103, 110, 116, 121, | 
 |   15, 22, 30, 38, 46, 54, 62, 70, 78, 86,  94,  102, 109, 115, 120, 124, | 
 |   21, 29, 37, 45, 53, 61, 69, 77, 85, 93,  101, 108, 114, 119, 123, 126, | 
 |   28, 36, 44, 52, 60, 68, 76, 84, 92, 100, 107, 113, 118, 122, 125, 127, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_mcol_iscan_8x16[128]) = { | 
 |   0,  16, 32, 48, 64, 80, 96,  112, 1,  17, 33, 49, 65, 81, 97,  113, | 
 |   2,  18, 34, 50, 66, 82, 98,  114, 3,  19, 35, 51, 67, 83, 99,  115, | 
 |   4,  20, 36, 52, 68, 84, 100, 116, 5,  21, 37, 53, 69, 85, 101, 117, | 
 |   6,  22, 38, 54, 70, 86, 102, 118, 7,  23, 39, 55, 71, 87, 103, 119, | 
 |   8,  24, 40, 56, 72, 88, 104, 120, 9,  25, 41, 57, 73, 89, 105, 121, | 
 |   10, 26, 42, 58, 74, 90, 106, 122, 11, 27, 43, 59, 75, 91, 107, 123, | 
 |   12, 28, 44, 60, 76, 92, 108, 124, 13, 29, 45, 61, 77, 93, 109, 125, | 
 |   14, 30, 46, 62, 78, 94, 110, 126, 15, 31, 47, 63, 79, 95, 111, 127, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_mcol_iscan_16x8[128]) = { | 
 |   0, 8,  16, 24, 32, 40, 48, 56, 64, 72, 80, 88, 96,  104, 112, 120, | 
 |   1, 9,  17, 25, 33, 41, 49, 57, 65, 73, 81, 89, 97,  105, 113, 121, | 
 |   2, 10, 18, 26, 34, 42, 50, 58, 66, 74, 82, 90, 98,  106, 114, 122, | 
 |   3, 11, 19, 27, 35, 43, 51, 59, 67, 75, 83, 91, 99,  107, 115, 123, | 
 |   4, 12, 20, 28, 36, 44, 52, 60, 68, 76, 84, 92, 100, 108, 116, 124, | 
 |   5, 13, 21, 29, 37, 45, 53, 61, 69, 77, 85, 93, 101, 109, 117, 125, | 
 |   6, 14, 22, 30, 38, 46, 54, 62, 70, 78, 86, 94, 102, 110, 118, 126, | 
 |   7, 15, 23, 31, 39, 47, 55, 63, 71, 79, 87, 95, 103, 111, 119, 127, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_mrow_iscan_8x16[128]) = { | 
 |   0,   1,   2,   3,   4,   5,   6,   7,   8,   9,   10,  11,  12,  13,  14, | 
 |   15,  16,  17,  18,  19,  20,  21,  22,  23,  24,  25,  26,  27,  28,  29, | 
 |   30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,  44, | 
 |   45,  46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59, | 
 |   60,  61,  62,  63,  64,  65,  66,  67,  68,  69,  70,  71,  72,  73,  74, | 
 |   75,  76,  77,  78,  79,  80,  81,  82,  83,  84,  85,  86,  87,  88,  89, | 
 |   90,  91,  92,  93,  94,  95,  96,  97,  98,  99,  100, 101, 102, 103, 104, | 
 |   105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, | 
 |   120, 121, 122, 123, 124, 125, 126, 127, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_mrow_iscan_16x8[128]) = { | 
 |   0,   1,   2,   3,   4,   5,   6,   7,   8,   9,   10,  11,  12,  13,  14, | 
 |   15,  16,  17,  18,  19,  20,  21,  22,  23,  24,  25,  26,  27,  28,  29, | 
 |   30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,  44, | 
 |   45,  46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59, | 
 |   60,  61,  62,  63,  64,  65,  66,  67,  68,  69,  70,  71,  72,  73,  74, | 
 |   75,  76,  77,  78,  79,  80,  81,  82,  83,  84,  85,  86,  87,  88,  89, | 
 |   90,  91,  92,  93,  94,  95,  96,  97,  98,  99,  100, 101, 102, 103, 104, | 
 |   105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, | 
 |   120, 121, 122, 123, 124, 125, 126, 127, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_default_iscan_16x32[512]) = { | 
 |   0,   1,   3,   6,   10,  15,  21,  28,  36,  45,  55,  66,  78,  91,  105, | 
 |   120, 2,   4,   7,   11,  16,  22,  29,  37,  46,  56,  67,  79,  92,  106, | 
 |   121, 136, 5,   8,   12,  17,  23,  30,  38,  47,  57,  68,  80,  93,  107, | 
 |   122, 137, 152, 9,   13,  18,  24,  31,  39,  48,  58,  69,  81,  94,  108, | 
 |   123, 138, 153, 168, 14,  19,  25,  32,  40,  49,  59,  70,  82,  95,  109, | 
 |   124, 139, 154, 169, 184, 20,  26,  33,  41,  50,  60,  71,  83,  96,  110, | 
 |   125, 140, 155, 170, 185, 200, 27,  34,  42,  51,  61,  72,  84,  97,  111, | 
 |   126, 141, 156, 171, 186, 201, 216, 35,  43,  52,  62,  73,  85,  98,  112, | 
 |   127, 142, 157, 172, 187, 202, 217, 232, 44,  53,  63,  74,  86,  99,  113, | 
 |   128, 143, 158, 173, 188, 203, 218, 233, 248, 54,  64,  75,  87,  100, 114, | 
 |   129, 144, 159, 174, 189, 204, 219, 234, 249, 264, 65,  76,  88,  101, 115, | 
 |   130, 145, 160, 175, 190, 205, 220, 235, 250, 265, 280, 77,  89,  102, 116, | 
 |   131, 146, 161, 176, 191, 206, 221, 236, 251, 266, 281, 296, 90,  103, 117, | 
 |   132, 147, 162, 177, 192, 207, 222, 237, 252, 267, 282, 297, 312, 104, 118, | 
 |   133, 148, 163, 178, 193, 208, 223, 238, 253, 268, 283, 298, 313, 328, 119, | 
 |   134, 149, 164, 179, 194, 209, 224, 239, 254, 269, 284, 299, 314, 329, 344, | 
 |   135, 150, 165, 180, 195, 210, 225, 240, 255, 270, 285, 300, 315, 330, 345, | 
 |   360, 151, 166, 181, 196, 211, 226, 241, 256, 271, 286, 301, 316, 331, 346, | 
 |   361, 376, 167, 182, 197, 212, 227, 242, 257, 272, 287, 302, 317, 332, 347, | 
 |   362, 377, 392, 183, 198, 213, 228, 243, 258, 273, 288, 303, 318, 333, 348, | 
 |   363, 378, 393, 407, 199, 214, 229, 244, 259, 274, 289, 304, 319, 334, 349, | 
 |   364, 379, 394, 408, 421, 215, 230, 245, 260, 275, 290, 305, 320, 335, 350, | 
 |   365, 380, 395, 409, 422, 434, 231, 246, 261, 276, 291, 306, 321, 336, 351, | 
 |   366, 381, 396, 410, 423, 435, 446, 247, 262, 277, 292, 307, 322, 337, 352, | 
 |   367, 382, 397, 411, 424, 436, 447, 457, 263, 278, 293, 308, 323, 338, 353, | 
 |   368, 383, 398, 412, 425, 437, 448, 458, 467, 279, 294, 309, 324, 339, 354, | 
 |   369, 384, 399, 413, 426, 438, 449, 459, 468, 476, 295, 310, 325, 340, 355, | 
 |   370, 385, 400, 414, 427, 439, 450, 460, 469, 477, 484, 311, 326, 341, 356, | 
 |   371, 386, 401, 415, 428, 440, 451, 461, 470, 478, 485, 491, 327, 342, 357, | 
 |   372, 387, 402, 416, 429, 441, 452, 462, 471, 479, 486, 492, 497, 343, 358, | 
 |   373, 388, 403, 417, 430, 442, 453, 463, 472, 480, 487, 493, 498, 502, 359, | 
 |   374, 389, 404, 418, 431, 443, 454, 464, 473, 481, 488, 494, 499, 503, 506, | 
 |   375, 390, 405, 419, 432, 444, 455, 465, 474, 482, 489, 495, 500, 504, 507, | 
 |   509, 391, 406, 420, 433, 445, 456, 466, 475, 483, 490, 496, 501, 505, 508, | 
 |   510, 511, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_default_iscan_32x16[512]) = { | 
 |   0,   2,   5,   9,   14,  20,  27,  35,  44,  54,  65,  77,  90,  104, 119, | 
 |   135, 151, 167, 183, 199, 215, 231, 247, 263, 279, 295, 311, 327, 343, 359, | 
 |   375, 391, 1,   4,   8,   13,  19,  26,  34,  43,  53,  64,  76,  89,  103, | 
 |   118, 134, 150, 166, 182, 198, 214, 230, 246, 262, 278, 294, 310, 326, 342, | 
 |   358, 374, 390, 406, 3,   7,   12,  18,  25,  33,  42,  52,  63,  75,  88, | 
 |   102, 117, 133, 149, 165, 181, 197, 213, 229, 245, 261, 277, 293, 309, 325, | 
 |   341, 357, 373, 389, 405, 420, 6,   11,  17,  24,  32,  41,  51,  62,  74, | 
 |   87,  101, 116, 132, 148, 164, 180, 196, 212, 228, 244, 260, 276, 292, 308, | 
 |   324, 340, 356, 372, 388, 404, 419, 433, 10,  16,  23,  31,  40,  50,  61, | 
 |   73,  86,  100, 115, 131, 147, 163, 179, 195, 211, 227, 243, 259, 275, 291, | 
 |   307, 323, 339, 355, 371, 387, 403, 418, 432, 445, 15,  22,  30,  39,  49, | 
 |   60,  72,  85,  99,  114, 130, 146, 162, 178, 194, 210, 226, 242, 258, 274, | 
 |   290, 306, 322, 338, 354, 370, 386, 402, 417, 431, 444, 456, 21,  29,  38, | 
 |   48,  59,  71,  84,  98,  113, 129, 145, 161, 177, 193, 209, 225, 241, 257, | 
 |   273, 289, 305, 321, 337, 353, 369, 385, 401, 416, 430, 443, 455, 466, 28, | 
 |   37,  47,  58,  70,  83,  97,  112, 128, 144, 160, 176, 192, 208, 224, 240, | 
 |   256, 272, 288, 304, 320, 336, 352, 368, 384, 400, 415, 429, 442, 454, 465, | 
 |   475, 36,  46,  57,  69,  82,  96,  111, 127, 143, 159, 175, 191, 207, 223, | 
 |   239, 255, 271, 287, 303, 319, 335, 351, 367, 383, 399, 414, 428, 441, 453, | 
 |   464, 474, 483, 45,  56,  68,  81,  95,  110, 126, 142, 158, 174, 190, 206, | 
 |   222, 238, 254, 270, 286, 302, 318, 334, 350, 366, 382, 398, 413, 427, 440, | 
 |   452, 463, 473, 482, 490, 55,  67,  80,  94,  109, 125, 141, 157, 173, 189, | 
 |   205, 221, 237, 253, 269, 285, 301, 317, 333, 349, 365, 381, 397, 412, 426, | 
 |   439, 451, 462, 472, 481, 489, 496, 66,  79,  93,  108, 124, 140, 156, 172, | 
 |   188, 204, 220, 236, 252, 268, 284, 300, 316, 332, 348, 364, 380, 396, 411, | 
 |   425, 438, 450, 461, 471, 480, 488, 495, 501, 78,  92,  107, 123, 139, 155, | 
 |   171, 187, 203, 219, 235, 251, 267, 283, 299, 315, 331, 347, 363, 379, 395, | 
 |   410, 424, 437, 449, 460, 470, 479, 487, 494, 500, 505, 91,  106, 122, 138, | 
 |   154, 170, 186, 202, 218, 234, 250, 266, 282, 298, 314, 330, 346, 362, 378, | 
 |   394, 409, 423, 436, 448, 459, 469, 478, 486, 493, 499, 504, 508, 105, 121, | 
 |   137, 153, 169, 185, 201, 217, 233, 249, 265, 281, 297, 313, 329, 345, 361, | 
 |   377, 393, 408, 422, 435, 447, 458, 468, 477, 485, 492, 498, 503, 507, 510, | 
 |   120, 136, 152, 168, 184, 200, 216, 232, 248, 264, 280, 296, 312, 328, 344, | 
 |   360, 376, 392, 407, 421, 434, 446, 457, 467, 476, 484, 491, 497, 502, 506, | 
 |   509, 511, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_mcol_iscan_16x32[512]) = { | 
 |   0,  32, 64, 96,  128, 160, 192, 224, 256, 288, 320, 352, 384, 416, 448, 480, | 
 |   1,  33, 65, 97,  129, 161, 193, 225, 257, 289, 321, 353, 385, 417, 449, 481, | 
 |   2,  34, 66, 98,  130, 162, 194, 226, 258, 290, 322, 354, 386, 418, 450, 482, | 
 |   3,  35, 67, 99,  131, 163, 195, 227, 259, 291, 323, 355, 387, 419, 451, 483, | 
 |   4,  36, 68, 100, 132, 164, 196, 228, 260, 292, 324, 356, 388, 420, 452, 484, | 
 |   5,  37, 69, 101, 133, 165, 197, 229, 261, 293, 325, 357, 389, 421, 453, 485, | 
 |   6,  38, 70, 102, 134, 166, 198, 230, 262, 294, 326, 358, 390, 422, 454, 486, | 
 |   7,  39, 71, 103, 135, 167, 199, 231, 263, 295, 327, 359, 391, 423, 455, 487, | 
 |   8,  40, 72, 104, 136, 168, 200, 232, 264, 296, 328, 360, 392, 424, 456, 488, | 
 |   9,  41, 73, 105, 137, 169, 201, 233, 265, 297, 329, 361, 393, 425, 457, 489, | 
 |   10, 42, 74, 106, 138, 170, 202, 234, 266, 298, 330, 362, 394, 426, 458, 490, | 
 |   11, 43, 75, 107, 139, 171, 203, 235, 267, 299, 331, 363, 395, 427, 459, 491, | 
 |   12, 44, 76, 108, 140, 172, 204, 236, 268, 300, 332, 364, 396, 428, 460, 492, | 
 |   13, 45, 77, 109, 141, 173, 205, 237, 269, 301, 333, 365, 397, 429, 461, 493, | 
 |   14, 46, 78, 110, 142, 174, 206, 238, 270, 302, 334, 366, 398, 430, 462, 494, | 
 |   15, 47, 79, 111, 143, 175, 207, 239, 271, 303, 335, 367, 399, 431, 463, 495, | 
 |   16, 48, 80, 112, 144, 176, 208, 240, 272, 304, 336, 368, 400, 432, 464, 496, | 
 |   17, 49, 81, 113, 145, 177, 209, 241, 273, 305, 337, 369, 401, 433, 465, 497, | 
 |   18, 50, 82, 114, 146, 178, 210, 242, 274, 306, 338, 370, 402, 434, 466, 498, | 
 |   19, 51, 83, 115, 147, 179, 211, 243, 275, 307, 339, 371, 403, 435, 467, 499, | 
 |   20, 52, 84, 116, 148, 180, 212, 244, 276, 308, 340, 372, 404, 436, 468, 500, | 
 |   21, 53, 85, 117, 149, 181, 213, 245, 277, 309, 341, 373, 405, 437, 469, 501, | 
 |   22, 54, 86, 118, 150, 182, 214, 246, 278, 310, 342, 374, 406, 438, 470, 502, | 
 |   23, 55, 87, 119, 151, 183, 215, 247, 279, 311, 343, 375, 407, 439, 471, 503, | 
 |   24, 56, 88, 120, 152, 184, 216, 248, 280, 312, 344, 376, 408, 440, 472, 504, | 
 |   25, 57, 89, 121, 153, 185, 217, 249, 281, 313, 345, 377, 409, 441, 473, 505, | 
 |   26, 58, 90, 122, 154, 186, 218, 250, 282, 314, 346, 378, 410, 442, 474, 506, | 
 |   27, 59, 91, 123, 155, 187, 219, 251, 283, 315, 347, 379, 411, 443, 475, 507, | 
 |   28, 60, 92, 124, 156, 188, 220, 252, 284, 316, 348, 380, 412, 444, 476, 508, | 
 |   29, 61, 93, 125, 157, 189, 221, 253, 285, 317, 349, 381, 413, 445, 477, 509, | 
 |   30, 62, 94, 126, 158, 190, 222, 254, 286, 318, 350, 382, 414, 446, 478, 510, | 
 |   31, 63, 95, 127, 159, 191, 223, 255, 287, 319, 351, 383, 415, 447, 479, 511, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_mcol_iscan_32x16[512]) = { | 
 |   0,   16,  32,  48,  64,  80,  96,  112, 128, 144, 160, 176, 192, 208, 224, | 
 |   240, 256, 272, 288, 304, 320, 336, 352, 368, 384, 400, 416, 432, 448, 464, | 
 |   480, 496, 1,   17,  33,  49,  65,  81,  97,  113, 129, 145, 161, 177, 193, | 
 |   209, 225, 241, 257, 273, 289, 305, 321, 337, 353, 369, 385, 401, 417, 433, | 
 |   449, 465, 481, 497, 2,   18,  34,  50,  66,  82,  98,  114, 130, 146, 162, | 
 |   178, 194, 210, 226, 242, 258, 274, 290, 306, 322, 338, 354, 370, 386, 402, | 
 |   418, 434, 450, 466, 482, 498, 3,   19,  35,  51,  67,  83,  99,  115, 131, | 
 |   147, 163, 179, 195, 211, 227, 243, 259, 275, 291, 307, 323, 339, 355, 371, | 
 |   387, 403, 419, 435, 451, 467, 483, 499, 4,   20,  36,  52,  68,  84,  100, | 
 |   116, 132, 148, 164, 180, 196, 212, 228, 244, 260, 276, 292, 308, 324, 340, | 
 |   356, 372, 388, 404, 420, 436, 452, 468, 484, 500, 5,   21,  37,  53,  69, | 
 |   85,  101, 117, 133, 149, 165, 181, 197, 213, 229, 245, 261, 277, 293, 309, | 
 |   325, 341, 357, 373, 389, 405, 421, 437, 453, 469, 485, 501, 6,   22,  38, | 
 |   54,  70,  86,  102, 118, 134, 150, 166, 182, 198, 214, 230, 246, 262, 278, | 
 |   294, 310, 326, 342, 358, 374, 390, 406, 422, 438, 454, 470, 486, 502, 7, | 
 |   23,  39,  55,  71,  87,  103, 119, 135, 151, 167, 183, 199, 215, 231, 247, | 
 |   263, 279, 295, 311, 327, 343, 359, 375, 391, 407, 423, 439, 455, 471, 487, | 
 |   503, 8,   24,  40,  56,  72,  88,  104, 120, 136, 152, 168, 184, 200, 216, | 
 |   232, 248, 264, 280, 296, 312, 328, 344, 360, 376, 392, 408, 424, 440, 456, | 
 |   472, 488, 504, 9,   25,  41,  57,  73,  89,  105, 121, 137, 153, 169, 185, | 
 |   201, 217, 233, 249, 265, 281, 297, 313, 329, 345, 361, 377, 393, 409, 425, | 
 |   441, 457, 473, 489, 505, 10,  26,  42,  58,  74,  90,  106, 122, 138, 154, | 
 |   170, 186, 202, 218, 234, 250, 266, 282, 298, 314, 330, 346, 362, 378, 394, | 
 |   410, 426, 442, 458, 474, 490, 506, 11,  27,  43,  59,  75,  91,  107, 123, | 
 |   139, 155, 171, 187, 203, 219, 235, 251, 267, 283, 299, 315, 331, 347, 363, | 
 |   379, 395, 411, 427, 443, 459, 475, 491, 507, 12,  28,  44,  60,  76,  92, | 
 |   108, 124, 140, 156, 172, 188, 204, 220, 236, 252, 268, 284, 300, 316, 332, | 
 |   348, 364, 380, 396, 412, 428, 444, 460, 476, 492, 508, 13,  29,  45,  61, | 
 |   77,  93,  109, 125, 141, 157, 173, 189, 205, 221, 237, 253, 269, 285, 301, | 
 |   317, 333, 349, 365, 381, 397, 413, 429, 445, 461, 477, 493, 509, 14,  30, | 
 |   46,  62,  78,  94,  110, 126, 142, 158, 174, 190, 206, 222, 238, 254, 270, | 
 |   286, 302, 318, 334, 350, 366, 382, 398, 414, 430, 446, 462, 478, 494, 510, | 
 |   15,  31,  47,  63,  79,  95,  111, 127, 143, 159, 175, 191, 207, 223, 239, | 
 |   255, 271, 287, 303, 319, 335, 351, 367, 383, 399, 415, 431, 447, 463, 479, | 
 |   495, 511, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_mrow_iscan_16x32[512]) = { | 
 |   0,   1,   2,   3,   4,   5,   6,   7,   8,   9,   10,  11,  12,  13,  14, | 
 |   15,  16,  17,  18,  19,  20,  21,  22,  23,  24,  25,  26,  27,  28,  29, | 
 |   30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,  44, | 
 |   45,  46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59, | 
 |   60,  61,  62,  63,  64,  65,  66,  67,  68,  69,  70,  71,  72,  73,  74, | 
 |   75,  76,  77,  78,  79,  80,  81,  82,  83,  84,  85,  86,  87,  88,  89, | 
 |   90,  91,  92,  93,  94,  95,  96,  97,  98,  99,  100, 101, 102, 103, 104, | 
 |   105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, | 
 |   120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, | 
 |   135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, | 
 |   150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, | 
 |   165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, | 
 |   180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, | 
 |   195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, | 
 |   210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, | 
 |   225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, | 
 |   240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, | 
 |   255, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, | 
 |   270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, | 
 |   285, 286, 287, 288, 289, 290, 291, 292, 293, 294, 295, 296, 297, 298, 299, | 
 |   300, 301, 302, 303, 304, 305, 306, 307, 308, 309, 310, 311, 312, 313, 314, | 
 |   315, 316, 317, 318, 319, 320, 321, 322, 323, 324, 325, 326, 327, 328, 329, | 
 |   330, 331, 332, 333, 334, 335, 336, 337, 338, 339, 340, 341, 342, 343, 344, | 
 |   345, 346, 347, 348, 349, 350, 351, 352, 353, 354, 355, 356, 357, 358, 359, | 
 |   360, 361, 362, 363, 364, 365, 366, 367, 368, 369, 370, 371, 372, 373, 374, | 
 |   375, 376, 377, 378, 379, 380, 381, 382, 383, 384, 385, 386, 387, 388, 389, | 
 |   390, 391, 392, 393, 394, 395, 396, 397, 398, 399, 400, 401, 402, 403, 404, | 
 |   405, 406, 407, 408, 409, 410, 411, 412, 413, 414, 415, 416, 417, 418, 419, | 
 |   420, 421, 422, 423, 424, 425, 426, 427, 428, 429, 430, 431, 432, 433, 434, | 
 |   435, 436, 437, 438, 439, 440, 441, 442, 443, 444, 445, 446, 447, 448, 449, | 
 |   450, 451, 452, 453, 454, 455, 456, 457, 458, 459, 460, 461, 462, 463, 464, | 
 |   465, 466, 467, 468, 469, 470, 471, 472, 473, 474, 475, 476, 477, 478, 479, | 
 |   480, 481, 482, 483, 484, 485, 486, 487, 488, 489, 490, 491, 492, 493, 494, | 
 |   495, 496, 497, 498, 499, 500, 501, 502, 503, 504, 505, 506, 507, 508, 509, | 
 |   510, 511, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_mrow_iscan_32x16[512]) = { | 
 |   0,   1,   2,   3,   4,   5,   6,   7,   8,   9,   10,  11,  12,  13,  14, | 
 |   15,  16,  17,  18,  19,  20,  21,  22,  23,  24,  25,  26,  27,  28,  29, | 
 |   30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,  44, | 
 |   45,  46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59, | 
 |   60,  61,  62,  63,  64,  65,  66,  67,  68,  69,  70,  71,  72,  73,  74, | 
 |   75,  76,  77,  78,  79,  80,  81,  82,  83,  84,  85,  86,  87,  88,  89, | 
 |   90,  91,  92,  93,  94,  95,  96,  97,  98,  99,  100, 101, 102, 103, 104, | 
 |   105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, | 
 |   120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, | 
 |   135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, | 
 |   150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, | 
 |   165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, | 
 |   180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, | 
 |   195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, | 
 |   210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, | 
 |   225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, | 
 |   240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, | 
 |   255, 256, 257, 258, 259, 260, 261, 262, 263, 264, 265, 266, 267, 268, 269, | 
 |   270, 271, 272, 273, 274, 275, 276, 277, 278, 279, 280, 281, 282, 283, 284, | 
 |   285, 286, 287, 288, 289, 290, 291, 292, 293, 294, 295, 296, 297, 298, 299, | 
 |   300, 301, 302, 303, 304, 305, 306, 307, 308, 309, 310, 311, 312, 313, 314, | 
 |   315, 316, 317, 318, 319, 320, 321, 322, 323, 324, 325, 326, 327, 328, 329, | 
 |   330, 331, 332, 333, 334, 335, 336, 337, 338, 339, 340, 341, 342, 343, 344, | 
 |   345, 346, 347, 348, 349, 350, 351, 352, 353, 354, 355, 356, 357, 358, 359, | 
 |   360, 361, 362, 363, 364, 365, 366, 367, 368, 369, 370, 371, 372, 373, 374, | 
 |   375, 376, 377, 378, 379, 380, 381, 382, 383, 384, 385, 386, 387, 388, 389, | 
 |   390, 391, 392, 393, 394, 395, 396, 397, 398, 399, 400, 401, 402, 403, 404, | 
 |   405, 406, 407, 408, 409, 410, 411, 412, 413, 414, 415, 416, 417, 418, 419, | 
 |   420, 421, 422, 423, 424, 425, 426, 427, 428, 429, 430, 431, 432, 433, 434, | 
 |   435, 436, 437, 438, 439, 440, 441, 442, 443, 444, 445, 446, 447, 448, 449, | 
 |   450, 451, 452, 453, 454, 455, 456, 457, 458, 459, 460, 461, 462, 463, 464, | 
 |   465, 466, 467, 468, 469, 470, 471, 472, 473, 474, 475, 476, 477, 478, 479, | 
 |   480, 481, 482, 483, 484, 485, 486, 487, 488, 489, 490, 491, 492, 493, 494, | 
 |   495, 496, 497, 498, 499, 500, 501, 502, 503, 504, 505, 506, 507, 508, 509, | 
 |   510, 511, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_mcol_iscan_16x16[256]) = { | 
 |   0,  16, 32, 48, 64, 80, 96,  112, 128, 144, 160, 176, 192, 208, 224, 240, | 
 |   1,  17, 33, 49, 65, 81, 97,  113, 129, 145, 161, 177, 193, 209, 225, 241, | 
 |   2,  18, 34, 50, 66, 82, 98,  114, 130, 146, 162, 178, 194, 210, 226, 242, | 
 |   3,  19, 35, 51, 67, 83, 99,  115, 131, 147, 163, 179, 195, 211, 227, 243, | 
 |   4,  20, 36, 52, 68, 84, 100, 116, 132, 148, 164, 180, 196, 212, 228, 244, | 
 |   5,  21, 37, 53, 69, 85, 101, 117, 133, 149, 165, 181, 197, 213, 229, 245, | 
 |   6,  22, 38, 54, 70, 86, 102, 118, 134, 150, 166, 182, 198, 214, 230, 246, | 
 |   7,  23, 39, 55, 71, 87, 103, 119, 135, 151, 167, 183, 199, 215, 231, 247, | 
 |   8,  24, 40, 56, 72, 88, 104, 120, 136, 152, 168, 184, 200, 216, 232, 248, | 
 |   9,  25, 41, 57, 73, 89, 105, 121, 137, 153, 169, 185, 201, 217, 233, 249, | 
 |   10, 26, 42, 58, 74, 90, 106, 122, 138, 154, 170, 186, 202, 218, 234, 250, | 
 |   11, 27, 43, 59, 75, 91, 107, 123, 139, 155, 171, 187, 203, 219, 235, 251, | 
 |   12, 28, 44, 60, 76, 92, 108, 124, 140, 156, 172, 188, 204, 220, 236, 252, | 
 |   13, 29, 45, 61, 77, 93, 109, 125, 141, 157, 173, 189, 205, 221, 237, 253, | 
 |   14, 30, 46, 62, 78, 94, 110, 126, 142, 158, 174, 190, 206, 222, 238, 254, | 
 |   15, 31, 47, 63, 79, 95, 111, 127, 143, 159, 175, 191, 207, 223, 239, 255, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_mrow_iscan_16x16[256]) = { | 
 |   0,   1,   2,   3,   4,   5,   6,   7,   8,   9,   10,  11,  12,  13,  14, | 
 |   15,  16,  17,  18,  19,  20,  21,  22,  23,  24,  25,  26,  27,  28,  29, | 
 |   30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,  44, | 
 |   45,  46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59, | 
 |   60,  61,  62,  63,  64,  65,  66,  67,  68,  69,  70,  71,  72,  73,  74, | 
 |   75,  76,  77,  78,  79,  80,  81,  82,  83,  84,  85,  86,  87,  88,  89, | 
 |   90,  91,  92,  93,  94,  95,  96,  97,  98,  99,  100, 101, 102, 103, 104, | 
 |   105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, | 
 |   120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134, | 
 |   135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149, | 
 |   150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164, | 
 |   165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179, | 
 |   180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, | 
 |   195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, | 
 |   210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224, | 
 |   225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, | 
 |   240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254, | 
 |   255, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_default_iscan_16x16[256]) = { | 
 |   0,   1,   5,   6,   14,  15,  27,  28,  44,  45,  65,  66,  90,  91,  119, | 
 |   120, 2,   4,   7,   13,  16,  26,  29,  43,  46,  64,  67,  89,  92,  118, | 
 |   121, 150, 3,   8,   12,  17,  25,  30,  42,  47,  63,  68,  88,  93,  117, | 
 |   122, 149, 151, 9,   11,  18,  24,  31,  41,  48,  62,  69,  87,  94,  116, | 
 |   123, 148, 152, 177, 10,  19,  23,  32,  40,  49,  61,  70,  86,  95,  115, | 
 |   124, 147, 153, 176, 178, 20,  22,  33,  39,  50,  60,  71,  85,  96,  114, | 
 |   125, 146, 154, 175, 179, 200, 21,  34,  38,  51,  59,  72,  84,  97,  113, | 
 |   126, 145, 155, 174, 180, 199, 201, 35,  37,  52,  58,  73,  83,  98,  112, | 
 |   127, 144, 156, 173, 181, 198, 202, 219, 36,  53,  57,  74,  82,  99,  111, | 
 |   128, 143, 157, 172, 182, 197, 203, 218, 220, 54,  56,  75,  81,  100, 110, | 
 |   129, 142, 158, 171, 183, 196, 204, 217, 221, 234, 55,  76,  80,  101, 109, | 
 |   130, 141, 159, 170, 184, 195, 205, 216, 222, 233, 235, 77,  79,  102, 108, | 
 |   131, 140, 160, 169, 185, 194, 206, 215, 223, 232, 236, 245, 78,  103, 107, | 
 |   132, 139, 161, 168, 186, 193, 207, 214, 224, 231, 237, 244, 246, 104, 106, | 
 |   133, 138, 162, 167, 187, 192, 208, 213, 225, 230, 238, 243, 247, 252, 105, | 
 |   134, 137, 163, 166, 188, 191, 209, 212, 226, 229, 239, 242, 248, 251, 253, | 
 |   135, 136, 164, 165, 189, 190, 210, 211, 227, 228, 240, 241, 249, 250, 254, | 
 |   255 | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_mcol_iscan_32x32[1024]) = { | 
 |   0,   32,   64,  96,   128, 160,  192, 224,  256, 288,  320, 352,  384, 416, | 
 |   448, 480,  512, 544,  576, 608,  640, 672,  704, 736,  768, 800,  832, 864, | 
 |   896, 928,  960, 992,  1,   33,   65,  97,   129, 161,  193, 225,  257, 289, | 
 |   321, 353,  385, 417,  449, 481,  513, 545,  577, 609,  641, 673,  705, 737, | 
 |   769, 801,  833, 865,  897, 929,  961, 993,  2,   34,   66,  98,   130, 162, | 
 |   194, 226,  258, 290,  322, 354,  386, 418,  450, 482,  514, 546,  578, 610, | 
 |   642, 674,  706, 738,  770, 802,  834, 866,  898, 930,  962, 994,  3,   35, | 
 |   67,  99,   131, 163,  195, 227,  259, 291,  323, 355,  387, 419,  451, 483, | 
 |   515, 547,  579, 611,  643, 675,  707, 739,  771, 803,  835, 867,  899, 931, | 
 |   963, 995,  4,   36,   68,  100,  132, 164,  196, 228,  260, 292,  324, 356, | 
 |   388, 420,  452, 484,  516, 548,  580, 612,  644, 676,  708, 740,  772, 804, | 
 |   836, 868,  900, 932,  964, 996,  5,   37,   69,  101,  133, 165,  197, 229, | 
 |   261, 293,  325, 357,  389, 421,  453, 485,  517, 549,  581, 613,  645, 677, | 
 |   709, 741,  773, 805,  837, 869,  901, 933,  965, 997,  6,   38,   70,  102, | 
 |   134, 166,  198, 230,  262, 294,  326, 358,  390, 422,  454, 486,  518, 550, | 
 |   582, 614,  646, 678,  710, 742,  774, 806,  838, 870,  902, 934,  966, 998, | 
 |   7,   39,   71,  103,  135, 167,  199, 231,  263, 295,  327, 359,  391, 423, | 
 |   455, 487,  519, 551,  583, 615,  647, 679,  711, 743,  775, 807,  839, 871, | 
 |   903, 935,  967, 999,  8,   40,   72,  104,  136, 168,  200, 232,  264, 296, | 
 |   328, 360,  392, 424,  456, 488,  520, 552,  584, 616,  648, 680,  712, 744, | 
 |   776, 808,  840, 872,  904, 936,  968, 1000, 9,   41,   73,  105,  137, 169, | 
 |   201, 233,  265, 297,  329, 361,  393, 425,  457, 489,  521, 553,  585, 617, | 
 |   649, 681,  713, 745,  777, 809,  841, 873,  905, 937,  969, 1001, 10,  42, | 
 |   74,  106,  138, 170,  202, 234,  266, 298,  330, 362,  394, 426,  458, 490, | 
 |   522, 554,  586, 618,  650, 682,  714, 746,  778, 810,  842, 874,  906, 938, | 
 |   970, 1002, 11,  43,   75,  107,  139, 171,  203, 235,  267, 299,  331, 363, | 
 |   395, 427,  459, 491,  523, 555,  587, 619,  651, 683,  715, 747,  779, 811, | 
 |   843, 875,  907, 939,  971, 1003, 12,  44,   76,  108,  140, 172,  204, 236, | 
 |   268, 300,  332, 364,  396, 428,  460, 492,  524, 556,  588, 620,  652, 684, | 
 |   716, 748,  780, 812,  844, 876,  908, 940,  972, 1004, 13,  45,   77,  109, | 
 |   141, 173,  205, 237,  269, 301,  333, 365,  397, 429,  461, 493,  525, 557, | 
 |   589, 621,  653, 685,  717, 749,  781, 813,  845, 877,  909, 941,  973, 1005, | 
 |   14,  46,   78,  110,  142, 174,  206, 238,  270, 302,  334, 366,  398, 430, | 
 |   462, 494,  526, 558,  590, 622,  654, 686,  718, 750,  782, 814,  846, 878, | 
 |   910, 942,  974, 1006, 15,  47,   79,  111,  143, 175,  207, 239,  271, 303, | 
 |   335, 367,  399, 431,  463, 495,  527, 559,  591, 623,  655, 687,  719, 751, | 
 |   783, 815,  847, 879,  911, 943,  975, 1007, 16,  48,   80,  112,  144, 176, | 
 |   208, 240,  272, 304,  336, 368,  400, 432,  464, 496,  528, 560,  592, 624, | 
 |   656, 688,  720, 752,  784, 816,  848, 880,  912, 944,  976, 1008, 17,  49, | 
 |   81,  113,  145, 177,  209, 241,  273, 305,  337, 369,  401, 433,  465, 497, | 
 |   529, 561,  593, 625,  657, 689,  721, 753,  785, 817,  849, 881,  913, 945, | 
 |   977, 1009, 18,  50,   82,  114,  146, 178,  210, 242,  274, 306,  338, 370, | 
 |   402, 434,  466, 498,  530, 562,  594, 626,  658, 690,  722, 754,  786, 818, | 
 |   850, 882,  914, 946,  978, 1010, 19,  51,   83,  115,  147, 179,  211, 243, | 
 |   275, 307,  339, 371,  403, 435,  467, 499,  531, 563,  595, 627,  659, 691, | 
 |   723, 755,  787, 819,  851, 883,  915, 947,  979, 1011, 20,  52,   84,  116, | 
 |   148, 180,  212, 244,  276, 308,  340, 372,  404, 436,  468, 500,  532, 564, | 
 |   596, 628,  660, 692,  724, 756,  788, 820,  852, 884,  916, 948,  980, 1012, | 
 |   21,  53,   85,  117,  149, 181,  213, 245,  277, 309,  341, 373,  405, 437, | 
 |   469, 501,  533, 565,  597, 629,  661, 693,  725, 757,  789, 821,  853, 885, | 
 |   917, 949,  981, 1013, 22,  54,   86,  118,  150, 182,  214, 246,  278, 310, | 
 |   342, 374,  406, 438,  470, 502,  534, 566,  598, 630,  662, 694,  726, 758, | 
 |   790, 822,  854, 886,  918, 950,  982, 1014, 23,  55,   87,  119,  151, 183, | 
 |   215, 247,  279, 311,  343, 375,  407, 439,  471, 503,  535, 567,  599, 631, | 
 |   663, 695,  727, 759,  791, 823,  855, 887,  919, 951,  983, 1015, 24,  56, | 
 |   88,  120,  152, 184,  216, 248,  280, 312,  344, 376,  408, 440,  472, 504, | 
 |   536, 568,  600, 632,  664, 696,  728, 760,  792, 824,  856, 888,  920, 952, | 
 |   984, 1016, 25,  57,   89,  121,  153, 185,  217, 249,  281, 313,  345, 377, | 
 |   409, 441,  473, 505,  537, 569,  601, 633,  665, 697,  729, 761,  793, 825, | 
 |   857, 889,  921, 953,  985, 1017, 26,  58,   90,  122,  154, 186,  218, 250, | 
 |   282, 314,  346, 378,  410, 442,  474, 506,  538, 570,  602, 634,  666, 698, | 
 |   730, 762,  794, 826,  858, 890,  922, 954,  986, 1018, 27,  59,   91,  123, | 
 |   155, 187,  219, 251,  283, 315,  347, 379,  411, 443,  475, 507,  539, 571, | 
 |   603, 635,  667, 699,  731, 763,  795, 827,  859, 891,  923, 955,  987, 1019, | 
 |   28,  60,   92,  124,  156, 188,  220, 252,  284, 316,  348, 380,  412, 444, | 
 |   476, 508,  540, 572,  604, 636,  668, 700,  732, 764,  796, 828,  860, 892, | 
 |   924, 956,  988, 1020, 29,  61,   93,  125,  157, 189,  221, 253,  285, 317, | 
 |   349, 381,  413, 445,  477, 509,  541, 573,  605, 637,  669, 701,  733, 765, | 
 |   797, 829,  861, 893,  925, 957,  989, 1021, 30,  62,   94,  126,  158, 190, | 
 |   222, 254,  286, 318,  350, 382,  414, 446,  478, 510,  542, 574,  606, 638, | 
 |   670, 702,  734, 766,  798, 830,  862, 894,  926, 958,  990, 1022, 31,  63, | 
 |   95,  127,  159, 191,  223, 255,  287, 319,  351, 383,  415, 447,  479, 511, | 
 |   543, 575,  607, 639,  671, 703,  735, 767,  799, 831,  863, 895,  927, 959, | 
 |   991, 1023, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_mrow_iscan_32x32[1024]) = { | 
 |   0,    1,    2,    3,    4,    5,    6,    7,    8,    9,    10,   11,   12, | 
 |   13,   14,   15,   16,   17,   18,   19,   20,   21,   22,   23,   24,   25, | 
 |   26,   27,   28,   29,   30,   31,   32,   33,   34,   35,   36,   37,   38, | 
 |   39,   40,   41,   42,   43,   44,   45,   46,   47,   48,   49,   50,   51, | 
 |   52,   53,   54,   55,   56,   57,   58,   59,   60,   61,   62,   63,   64, | 
 |   65,   66,   67,   68,   69,   70,   71,   72,   73,   74,   75,   76,   77, | 
 |   78,   79,   80,   81,   82,   83,   84,   85,   86,   87,   88,   89,   90, | 
 |   91,   92,   93,   94,   95,   96,   97,   98,   99,   100,  101,  102,  103, | 
 |   104,  105,  106,  107,  108,  109,  110,  111,  112,  113,  114,  115,  116, | 
 |   117,  118,  119,  120,  121,  122,  123,  124,  125,  126,  127,  128,  129, | 
 |   130,  131,  132,  133,  134,  135,  136,  137,  138,  139,  140,  141,  142, | 
 |   143,  144,  145,  146,  147,  148,  149,  150,  151,  152,  153,  154,  155, | 
 |   156,  157,  158,  159,  160,  161,  162,  163,  164,  165,  166,  167,  168, | 
 |   169,  170,  171,  172,  173,  174,  175,  176,  177,  178,  179,  180,  181, | 
 |   182,  183,  184,  185,  186,  187,  188,  189,  190,  191,  192,  193,  194, | 
 |   195,  196,  197,  198,  199,  200,  201,  202,  203,  204,  205,  206,  207, | 
 |   208,  209,  210,  211,  212,  213,  214,  215,  216,  217,  218,  219,  220, | 
 |   221,  222,  223,  224,  225,  226,  227,  228,  229,  230,  231,  232,  233, | 
 |   234,  235,  236,  237,  238,  239,  240,  241,  242,  243,  244,  245,  246, | 
 |   247,  248,  249,  250,  251,  252,  253,  254,  255,  256,  257,  258,  259, | 
 |   260,  261,  262,  263,  264,  265,  266,  267,  268,  269,  270,  271,  272, | 
 |   273,  274,  275,  276,  277,  278,  279,  280,  281,  282,  283,  284,  285, | 
 |   286,  287,  288,  289,  290,  291,  292,  293,  294,  295,  296,  297,  298, | 
 |   299,  300,  301,  302,  303,  304,  305,  306,  307,  308,  309,  310,  311, | 
 |   312,  313,  314,  315,  316,  317,  318,  319,  320,  321,  322,  323,  324, | 
 |   325,  326,  327,  328,  329,  330,  331,  332,  333,  334,  335,  336,  337, | 
 |   338,  339,  340,  341,  342,  343,  344,  345,  346,  347,  348,  349,  350, | 
 |   351,  352,  353,  354,  355,  356,  357,  358,  359,  360,  361,  362,  363, | 
 |   364,  365,  366,  367,  368,  369,  370,  371,  372,  373,  374,  375,  376, | 
 |   377,  378,  379,  380,  381,  382,  383,  384,  385,  386,  387,  388,  389, | 
 |   390,  391,  392,  393,  394,  395,  396,  397,  398,  399,  400,  401,  402, | 
 |   403,  404,  405,  406,  407,  408,  409,  410,  411,  412,  413,  414,  415, | 
 |   416,  417,  418,  419,  420,  421,  422,  423,  424,  425,  426,  427,  428, | 
 |   429,  430,  431,  432,  433,  434,  435,  436,  437,  438,  439,  440,  441, | 
 |   442,  443,  444,  445,  446,  447,  448,  449,  450,  451,  452,  453,  454, | 
 |   455,  456,  457,  458,  459,  460,  461,  462,  463,  464,  465,  466,  467, | 
 |   468,  469,  470,  471,  472,  473,  474,  475,  476,  477,  478,  479,  480, | 
 |   481,  482,  483,  484,  485,  486,  487,  488,  489,  490,  491,  492,  493, | 
 |   494,  495,  496,  497,  498,  499,  500,  501,  502,  503,  504,  505,  506, | 
 |   507,  508,  509,  510,  511,  512,  513,  514,  515,  516,  517,  518,  519, | 
 |   520,  521,  522,  523,  524,  525,  526,  527,  528,  529,  530,  531,  532, | 
 |   533,  534,  535,  536,  537,  538,  539,  540,  541,  542,  543,  544,  545, | 
 |   546,  547,  548,  549,  550,  551,  552,  553,  554,  555,  556,  557,  558, | 
 |   559,  560,  561,  562,  563,  564,  565,  566,  567,  568,  569,  570,  571, | 
 |   572,  573,  574,  575,  576,  577,  578,  579,  580,  581,  582,  583,  584, | 
 |   585,  586,  587,  588,  589,  590,  591,  592,  593,  594,  595,  596,  597, | 
 |   598,  599,  600,  601,  602,  603,  604,  605,  606,  607,  608,  609,  610, | 
 |   611,  612,  613,  614,  615,  616,  617,  618,  619,  620,  621,  622,  623, | 
 |   624,  625,  626,  627,  628,  629,  630,  631,  632,  633,  634,  635,  636, | 
 |   637,  638,  639,  640,  641,  642,  643,  644,  645,  646,  647,  648,  649, | 
 |   650,  651,  652,  653,  654,  655,  656,  657,  658,  659,  660,  661,  662, | 
 |   663,  664,  665,  666,  667,  668,  669,  670,  671,  672,  673,  674,  675, | 
 |   676,  677,  678,  679,  680,  681,  682,  683,  684,  685,  686,  687,  688, | 
 |   689,  690,  691,  692,  693,  694,  695,  696,  697,  698,  699,  700,  701, | 
 |   702,  703,  704,  705,  706,  707,  708,  709,  710,  711,  712,  713,  714, | 
 |   715,  716,  717,  718,  719,  720,  721,  722,  723,  724,  725,  726,  727, | 
 |   728,  729,  730,  731,  732,  733,  734,  735,  736,  737,  738,  739,  740, | 
 |   741,  742,  743,  744,  745,  746,  747,  748,  749,  750,  751,  752,  753, | 
 |   754,  755,  756,  757,  758,  759,  760,  761,  762,  763,  764,  765,  766, | 
 |   767,  768,  769,  770,  771,  772,  773,  774,  775,  776,  777,  778,  779, | 
 |   780,  781,  782,  783,  784,  785,  786,  787,  788,  789,  790,  791,  792, | 
 |   793,  794,  795,  796,  797,  798,  799,  800,  801,  802,  803,  804,  805, | 
 |   806,  807,  808,  809,  810,  811,  812,  813,  814,  815,  816,  817,  818, | 
 |   819,  820,  821,  822,  823,  824,  825,  826,  827,  828,  829,  830,  831, | 
 |   832,  833,  834,  835,  836,  837,  838,  839,  840,  841,  842,  843,  844, | 
 |   845,  846,  847,  848,  849,  850,  851,  852,  853,  854,  855,  856,  857, | 
 |   858,  859,  860,  861,  862,  863,  864,  865,  866,  867,  868,  869,  870, | 
 |   871,  872,  873,  874,  875,  876,  877,  878,  879,  880,  881,  882,  883, | 
 |   884,  885,  886,  887,  888,  889,  890,  891,  892,  893,  894,  895,  896, | 
 |   897,  898,  899,  900,  901,  902,  903,  904,  905,  906,  907,  908,  909, | 
 |   910,  911,  912,  913,  914,  915,  916,  917,  918,  919,  920,  921,  922, | 
 |   923,  924,  925,  926,  927,  928,  929,  930,  931,  932,  933,  934,  935, | 
 |   936,  937,  938,  939,  940,  941,  942,  943,  944,  945,  946,  947,  948, | 
 |   949,  950,  951,  952,  953,  954,  955,  956,  957,  958,  959,  960,  961, | 
 |   962,  963,  964,  965,  966,  967,  968,  969,  970,  971,  972,  973,  974, | 
 |   975,  976,  977,  978,  979,  980,  981,  982,  983,  984,  985,  986,  987, | 
 |   988,  989,  990,  991,  992,  993,  994,  995,  996,  997,  998,  999,  1000, | 
 |   1001, 1002, 1003, 1004, 1005, 1006, 1007, 1008, 1009, 1010, 1011, 1012, 1013, | 
 |   1014, 1015, 1016, 1017, 1018, 1019, 1020, 1021, 1022, 1023, | 
 | }; | 
 |  | 
 | DECLARE_ALIGNED(16, static const int16_t, av1_default_iscan_32x32[1024]) = { | 
 |   0,    1,    5,    6,    14,   15,   27,   28,   44,   45,   65,   66,   90, | 
 |   91,   119,  120,  152,  153,  189,  190,  230,  231,  275,  276,  324,  325, | 
 |   377,  378,  434,  435,  495,  496,  2,    4,    7,    13,   16,   26,   29, | 
 |   43,   46,   64,   67,   89,   92,   118,  121,  151,  154,  188,  191,  229, | 
 |   232,  274,  277,  323,  326,  376,  379,  433,  436,  494,  497,  558,  3, | 
 |   8,    12,   17,   25,   30,   42,   47,   63,   68,   88,   93,   117,  122, | 
 |   150,  155,  187,  192,  228,  233,  273,  278,  322,  327,  375,  380,  432, | 
 |   437,  493,  498,  557,  559,  9,    11,   18,   24,   31,   41,   48,   62, | 
 |   69,   87,   94,   116,  123,  149,  156,  186,  193,  227,  234,  272,  279, | 
 |   321,  328,  374,  381,  431,  438,  492,  499,  556,  560,  617,  10,   19, | 
 |   23,   32,   40,   49,   61,   70,   86,   95,   115,  124,  148,  157,  185, | 
 |   194,  226,  235,  271,  280,  320,  329,  373,  382,  430,  439,  491,  500, | 
 |   555,  561,  616,  618,  20,   22,   33,   39,   50,   60,   71,   85,   96, | 
 |   114,  125,  147,  158,  184,  195,  225,  236,  270,  281,  319,  330,  372, | 
 |   383,  429,  440,  490,  501,  554,  562,  615,  619,  672,  21,   34,   38, | 
 |   51,   59,   72,   84,   97,   113,  126,  146,  159,  183,  196,  224,  237, | 
 |   269,  282,  318,  331,  371,  384,  428,  441,  489,  502,  553,  563,  614, | 
 |   620,  671,  673,  35,   37,   52,   58,   73,   83,   98,   112,  127,  145, | 
 |   160,  182,  197,  223,  238,  268,  283,  317,  332,  370,  385,  427,  442, | 
 |   488,  503,  552,  564,  613,  621,  670,  674,  723,  36,   53,   57,   74, | 
 |   82,   99,   111,  128,  144,  161,  181,  198,  222,  239,  267,  284,  316, | 
 |   333,  369,  386,  426,  443,  487,  504,  551,  565,  612,  622,  669,  675, | 
 |   722,  724,  54,   56,   75,   81,   100,  110,  129,  143,  162,  180,  199, | 
 |   221,  240,  266,  285,  315,  334,  368,  387,  425,  444,  486,  505,  550, | 
 |   566,  611,  623,  668,  676,  721,  725,  770,  55,   76,   80,   101,  109, | 
 |   130,  142,  163,  179,  200,  220,  241,  265,  286,  314,  335,  367,  388, | 
 |   424,  445,  485,  506,  549,  567,  610,  624,  667,  677,  720,  726,  769, | 
 |   771,  77,   79,   102,  108,  131,  141,  164,  178,  201,  219,  242,  264, | 
 |   287,  313,  336,  366,  389,  423,  446,  484,  507,  548,  568,  609,  625, | 
 |   666,  678,  719,  727,  768,  772,  813,  78,   103,  107,  132,  140,  165, | 
 |   177,  202,  218,  243,  263,  288,  312,  337,  365,  390,  422,  447,  483, | 
 |   508,  547,  569,  608,  626,  665,  679,  718,  728,  767,  773,  812,  814, | 
 |   104,  106,  133,  139,  166,  176,  203,  217,  244,  262,  289,  311,  338, | 
 |   364,  391,  421,  448,  482,  509,  546,  570,  607,  627,  664,  680,  717, | 
 |   729,  766,  774,  811,  815,  852,  105,  134,  138,  167,  175,  204,  216, | 
 |   245,  261,  290,  310,  339,  363,  392,  420,  449,  481,  510,  545,  571, | 
 |   606,  628,  663,  681,  716,  730,  765,  775,  810,  816,  851,  853,  135, | 
 |   137,  168,  174,  205,  215,  246,  260,  291,  309,  340,  362,  393,  419, | 
 |   450,  480,  511,  544,  572,  605,  629,  662,  682,  715,  731,  764,  776, | 
 |   809,  817,  850,  854,  887,  136,  169,  173,  206,  214,  247,  259,  292, | 
 |   308,  341,  361,  394,  418,  451,  479,  512,  543,  573,  604,  630,  661, | 
 |   683,  714,  732,  763,  777,  808,  818,  849,  855,  886,  888,  170,  172, | 
 |   207,  213,  248,  258,  293,  307,  342,  360,  395,  417,  452,  478,  513, | 
 |   542,  574,  603,  631,  660,  684,  713,  733,  762,  778,  807,  819,  848, | 
 |   856,  885,  889,  918,  171,  208,  212,  249,  257,  294,  306,  343,  359, | 
 |   396,  416,  453,  477,  514,  541,  575,  602,  632,  659,  685,  712,  734, | 
 |   761,  779,  806,  820,  847,  857,  884,  890,  917,  919,  209,  211,  250, | 
 |   256,  295,  305,  344,  358,  397,  415,  454,  476,  515,  540,  576,  601, | 
 |   633,  658,  686,  711,  735,  760,  780,  805,  821,  846,  858,  883,  891, | 
 |   916,  920,  945,  210,  251,  255,  296,  304,  345,  357,  398,  414,  455, | 
 |   475,  516,  539,  577,  600,  634,  657,  687,  710,  736,  759,  781,  804, | 
 |   822,  845,  859,  882,  892,  915,  921,  944,  946,  252,  254,  297,  303, | 
 |   346,  356,  399,  413,  456,  474,  517,  538,  578,  599,  635,  656,  688, | 
 |   709,  737,  758,  782,  803,  823,  844,  860,  881,  893,  914,  922,  943, | 
 |   947,  968,  253,  298,  302,  347,  355,  400,  412,  457,  473,  518,  537, | 
 |   579,  598,  636,  655,  689,  708,  738,  757,  783,  802,  824,  843,  861, | 
 |   880,  894,  913,  923,  942,  948,  967,  969,  299,  301,  348,  354,  401, | 
 |   411,  458,  472,  519,  536,  580,  597,  637,  654,  690,  707,  739,  756, | 
 |   784,  801,  825,  842,  862,  879,  895,  912,  924,  941,  949,  966,  970, | 
 |   987,  300,  349,  353,  402,  410,  459,  471,  520,  535,  581,  596,  638, | 
 |   653,  691,  706,  740,  755,  785,  800,  826,  841,  863,  878,  896,  911, | 
 |   925,  940,  950,  965,  971,  986,  988,  350,  352,  403,  409,  460,  470, | 
 |   521,  534,  582,  595,  639,  652,  692,  705,  741,  754,  786,  799,  827, | 
 |   840,  864,  877,  897,  910,  926,  939,  951,  964,  972,  985,  989,  1002, | 
 |   351,  404,  408,  461,  469,  522,  533,  583,  594,  640,  651,  693,  704, | 
 |   742,  753,  787,  798,  828,  839,  865,  876,  898,  909,  927,  938,  952, | 
 |   963,  973,  984,  990,  1001, 1003, 405,  407,  462,  468,  523,  532,  584, | 
 |   593,  641,  650,  694,  703,  743,  752,  788,  797,  829,  838,  866,  875, | 
 |   899,  908,  928,  937,  953,  962,  974,  983,  991,  1000, 1004, 1013, 406, | 
 |   463,  467,  524,  531,  585,  592,  642,  649,  695,  702,  744,  751,  789, | 
 |   796,  830,  837,  867,  874,  900,  907,  929,  936,  954,  961,  975,  982, | 
 |   992,  999,  1005, 1012, 1014, 464,  466,  525,  530,  586,  591,  643,  648, | 
 |   696,  701,  745,  750,  790,  795,  831,  836,  868,  873,  901,  906,  930, | 
 |   935,  955,  960,  976,  981,  993,  998,  1006, 1011, 1015, 1020, 465,  526, | 
 |   529,  587,  590,  644,  647,  697,  700,  746,  749,  791,  794,  832,  835, | 
 |   869,  872,  902,  905,  931,  934,  956,  959,  977,  980,  994,  997,  1007, | 
 |   1010, 1016, 1019, 1021, 527,  528,  588,  589,  645,  646,  698,  699,  747, | 
 |   748,  792,  793,  833,  834,  870,  871,  903,  904,  932,  933,  957,  958, | 
 |   978,  979,  995,  996,  1008, 1009, 1017, 1018, 1022, 1023 | 
 | }; | 
 |  | 
 | const SCAN_ORDER av1_default_scan_orders[TX_SIZES] = { | 
 |   { default_scan_4x4, av1_default_iscan_4x4, default_scan_4x4_neighbors }, | 
 |   { default_scan_8x8, av1_default_iscan_8x8, default_scan_8x8_neighbors }, | 
 |   { default_scan_16x16, av1_default_iscan_16x16, default_scan_16x16_neighbors }, | 
 |   { default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors }, | 
 |   // Half of the coefficients of tx64 at higher frequencies are set to | 
 |   // zeros. So tx32's scan order is used. | 
 |   { default_scan_32x32, av1_default_iscan_32x32, default_scan_32x32_neighbors }, | 
 | }; | 
 |  | 
 | const SCAN_ORDER av1_scan_orders[TX_SIZES_ALL][TX_TYPES] = { | 
 |   { | 
 |       // TX_4X4 | 
 |       { default_scan_4x4, av1_default_iscan_4x4, default_scan_4x4_neighbors }, | 
 |       { default_scan_4x4, av1_default_iscan_4x4, default_scan_4x4_neighbors }, | 
 |       { default_scan_4x4, av1_default_iscan_4x4, default_scan_4x4_neighbors }, | 
 |       { default_scan_4x4, av1_default_iscan_4x4, default_scan_4x4_neighbors }, | 
 |       { default_scan_4x4, av1_default_iscan_4x4, default_scan_4x4_neighbors }, | 
 |       { default_scan_4x4, av1_default_iscan_4x4, default_scan_4x4_neighbors }, | 
 |       { default_scan_4x4, av1_default_iscan_4x4, default_scan_4x4_neighbors }, | 
 |       { default_scan_4x4, av1_default_iscan_4x4, default_scan_4x4_neighbors }, | 
 |       { default_scan_4x4, av1_default_iscan_4x4, default_scan_4x4_neighbors }, | 
 |       { default_scan_4x4, av1_default_iscan_4x4, default_scan_4x4_neighbors }, | 
 |       { mrow_scan_4x4, av1_mrow_iscan_4x4, mrow_scan_4x4_neighbors }, | 
 |       { mcol_scan_4x4, av1_mcol_iscan_4x4, mcol_scan_4x4_neighbors }, | 
 |       { mrow_scan_4x4, av1_mrow_iscan_4x4, mrow_scan_4x4_neighbors }, | 
 |       { mcol_scan_4x4, av1_mcol_iscan_4x4, mcol_scan_4x4_neighbors }, | 
 |       { mrow_scan_4x4, av1_mrow_iscan_4x4, mrow_scan_4x4_neighbors }, | 
 |       { mcol_scan_4x4, av1_mcol_iscan_4x4, mcol_scan_4x4_neighbors }, | 
 |   }, | 
 |   { | 
 |       // TX_8X8 | 
 |       { default_scan_8x8, av1_default_iscan_8x8, default_scan_8x8_neighbors }, | 
 |       { default_scan_8x8, av1_default_iscan_8x8, default_scan_8x8_neighbors }, | 
 |       { default_scan_8x8, av1_default_iscan_8x8, default_scan_8x8_neighbors }, | 
 |       { default_scan_8x8, av1_default_iscan_8x8, default_scan_8x8_neighbors }, | 
 |       { default_scan_8x8, av1_default_iscan_8x8, default_scan_8x8_neighbors }, | 
 |       { default_scan_8x8, av1_default_iscan_8x8, default_scan_8x8_neighbors }, | 
 |       { default_scan_8x8, av1_default_iscan_8x8, default_scan_8x8_neighbors }, | 
 |       { default_scan_8x8, av1_default_iscan_8x8, default_scan_8x8_neighbors }, | 
 |       { default_scan_8x8, av1_default_iscan_8x8, default_scan_8x8_neighbors }, | 
 |       { default_scan_8x8, av1_default_iscan_8x8, default_scan_8x8_neighbors }, | 
 |       { mrow_scan_8x8, av1_mrow_iscan_8x8, mrow_scan_8x8_neighbors }, | 
 |       { mcol_scan_8x8, av1_mcol_iscan_8x8, mcol_scan_8x8_neighbors }, | 
 |       { mrow_scan_8x8, av1_mrow_iscan_8x8, mrow_scan_8x8_neighbors }, | 
 |       { mcol_scan_8x8, av1_mcol_iscan_8x8, mcol_scan_8x8_neighbors }, | 
 |       { mrow_scan_8x8, av1_mrow_iscan_8x8, mrow_scan_8x8_neighbors }, | 
 |       { mcol_scan_8x8, av1_mcol_iscan_8x8, mcol_scan_8x8_neighbors }, | 
 |   }, | 
 |   { | 
 |       // TX_16X16 | 
 |       { default_scan_16x16, av1_default_iscan_16x16, | 
 |         default_scan_16x16_neighbors }, | 
 |       { default_scan_16x16, av1_default_iscan_16x16, | 
 |         default_scan_16x16_neighbors }, | 
 |       { default_scan_16x16, av1_default_iscan_16x16, | 
 |         default_scan_16x16_neighbors }, | 
 |       { default_scan_16x16, av1_default_iscan_16x16, | 
 |         default_scan_16x16_neighbors }, | 
 |       { default_scan_16x16, av1_default_iscan_16x16, | 
 |         default_scan_16x16_neighbors }, | 
 |       { default_scan_16x16, av1_default_iscan_16x16, | 
 |         default_scan_16x16_neighbors }, | 
 |       { default_scan_16x16, av1_default_iscan_16x16, | 
 |         default_scan_16x16_neighbors }, | 
 |       { default_scan_16x16, av1_default_iscan_16x16, | 
 |         default_scan_16x16_neighbors }, | 
 |       { default_scan_16x16, av1_default_iscan_16x16, | 
 |         default_scan_16x16_neighbors }, | 
 |       { default_scan_16x16, av1_default_iscan_16x16, | 
 |         default_scan_16x16_neighbors }, | 
 |       { mrow_scan_16x16, av1_mrow_iscan_16x16, mrow_scan_16x16_neighbors }, | 
 |       { mcol_scan_16x16, av1_mcol_iscan_16x16, mcol_scan_16x16_neighbors }, | 
 |       { mrow_scan_16x16, av1_mrow_iscan_16x16, mrow_scan_16x16_neighbors }, | 
 |       { mcol_scan_16x16, av1_mcol_iscan_16x16, mcol_scan_16x16_neighbors }, | 
 |       { mrow_scan_16x16, av1_mrow_iscan_16x16, mrow_scan_16x16_neighbors }, | 
 |       { mcol_scan_16x16, av1_mcol_iscan_16x16, mcol_scan_16x16_neighbors }, | 
 |   }, | 
 |   { | 
 |       // TX_32X32 | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { mrow_scan_32x32, av1_mrow_iscan_32x32, mrow_scan_32x32_neighbors }, | 
 |       { mcol_scan_32x32, av1_mcol_iscan_32x32, mcol_scan_32x32_neighbors }, | 
 |       { mrow_scan_32x32, av1_mrow_iscan_32x32, mrow_scan_32x32_neighbors }, | 
 |       { mcol_scan_32x32, av1_mcol_iscan_32x32, mcol_scan_32x32_neighbors }, | 
 |       { mrow_scan_32x32, av1_mrow_iscan_32x32, mrow_scan_32x32_neighbors }, | 
 |       { mcol_scan_32x32, av1_mcol_iscan_32x32, mcol_scan_32x32_neighbors }, | 
 |   }, | 
 |   { | 
 |       // TX_64X64 | 
 |       // Half of the coefficients of tx64 at higher frequencies are set to | 
 |       // zeros. So tx32's scan order is used. | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { mrow_scan_32x32, av1_mrow_iscan_32x32, mrow_scan_32x32_neighbors }, | 
 |       { mcol_scan_32x32, av1_mcol_iscan_32x32, mcol_scan_32x32_neighbors }, | 
 |       { mrow_scan_32x32, av1_mrow_iscan_32x32, mrow_scan_32x32_neighbors }, | 
 |       { mcol_scan_32x32, av1_mcol_iscan_32x32, mcol_scan_32x32_neighbors }, | 
 |       { mrow_scan_32x32, av1_mrow_iscan_32x32, mrow_scan_32x32_neighbors }, | 
 |       { mcol_scan_32x32, av1_mcol_iscan_32x32, mcol_scan_32x32_neighbors }, | 
 |   }, | 
 |   { | 
 |       // TX_4X8 | 
 |       { default_scan_4x8, av1_default_iscan_4x8, default_scan_4x8_neighbors }, | 
 |       { default_scan_4x8, av1_default_iscan_4x8, default_scan_4x8_neighbors }, | 
 |       { default_scan_4x8, av1_default_iscan_4x8, default_scan_4x8_neighbors }, | 
 |       { default_scan_4x8, av1_default_iscan_4x8, default_scan_4x8_neighbors }, | 
 |       { default_scan_4x8, av1_default_iscan_4x8, default_scan_4x8_neighbors }, | 
 |       { default_scan_4x8, av1_default_iscan_4x8, default_scan_4x8_neighbors }, | 
 |       { default_scan_4x8, av1_default_iscan_4x8, default_scan_4x8_neighbors }, | 
 |       { default_scan_4x8, av1_default_iscan_4x8, default_scan_4x8_neighbors }, | 
 |       { default_scan_4x8, av1_default_iscan_4x8, default_scan_4x8_neighbors }, | 
 |       { default_scan_4x8, av1_default_iscan_4x8, default_scan_4x8_neighbors }, | 
 |       { mrow_scan_4x8, av1_mrow_iscan_4x8, mrow_scan_4x8_neighbors }, | 
 |       { mcol_scan_4x8, av1_mcol_iscan_4x8, mcol_scan_4x8_neighbors }, | 
 |       { mrow_scan_4x8, av1_mrow_iscan_4x8, mrow_scan_4x8_neighbors }, | 
 |       { mcol_scan_4x8, av1_mcol_iscan_4x8, mcol_scan_4x8_neighbors }, | 
 |       { mrow_scan_4x8, av1_mrow_iscan_4x8, mrow_scan_4x8_neighbors }, | 
 |       { mcol_scan_4x8, av1_mcol_iscan_4x8, mcol_scan_4x8_neighbors }, | 
 |   }, | 
 |   { | 
 |       // TX_8X4 | 
 |       { default_scan_8x4, av1_default_iscan_8x4, default_scan_8x4_neighbors }, | 
 |       { default_scan_8x4, av1_default_iscan_8x4, default_scan_8x4_neighbors }, | 
 |       { default_scan_8x4, av1_default_iscan_8x4, default_scan_8x4_neighbors }, | 
 |       { default_scan_8x4, av1_default_iscan_8x4, default_scan_8x4_neighbors }, | 
 |       { default_scan_8x4, av1_default_iscan_8x4, default_scan_8x4_neighbors }, | 
 |       { default_scan_8x4, av1_default_iscan_8x4, default_scan_8x4_neighbors }, | 
 |       { default_scan_8x4, av1_default_iscan_8x4, default_scan_8x4_neighbors }, | 
 |       { default_scan_8x4, av1_default_iscan_8x4, default_scan_8x4_neighbors }, | 
 |       { default_scan_8x4, av1_default_iscan_8x4, default_scan_8x4_neighbors }, | 
 |       { default_scan_8x4, av1_default_iscan_8x4, default_scan_8x4_neighbors }, | 
 |       { mrow_scan_8x4, av1_mrow_iscan_8x4, mrow_scan_8x4_neighbors }, | 
 |       { mcol_scan_8x4, av1_mcol_iscan_8x4, mcol_scan_8x4_neighbors }, | 
 |       { mrow_scan_8x4, av1_mrow_iscan_8x4, mrow_scan_8x4_neighbors }, | 
 |       { mcol_scan_8x4, av1_mcol_iscan_8x4, mcol_scan_8x4_neighbors }, | 
 |       { mrow_scan_8x4, av1_mrow_iscan_8x4, mrow_scan_8x4_neighbors }, | 
 |       { mcol_scan_8x4, av1_mcol_iscan_8x4, mcol_scan_8x4_neighbors }, | 
 |   }, | 
 |   { | 
 |       // TX_8X16 | 
 |       { default_scan_8x16, av1_default_iscan_8x16, | 
 |         default_scan_8x16_neighbors }, | 
 |       { default_scan_8x16, av1_default_iscan_8x16, | 
 |         default_scan_8x16_neighbors }, | 
 |       { default_scan_8x16, av1_default_iscan_8x16, | 
 |         default_scan_8x16_neighbors }, | 
 |       { default_scan_8x16, av1_default_iscan_8x16, | 
 |         default_scan_8x16_neighbors }, | 
 |       { default_scan_8x16, av1_default_iscan_8x16, | 
 |         default_scan_8x16_neighbors }, | 
 |       { default_scan_8x16, av1_default_iscan_8x16, | 
 |         default_scan_8x16_neighbors }, | 
 |       { default_scan_8x16, av1_default_iscan_8x16, | 
 |         default_scan_8x16_neighbors }, | 
 |       { default_scan_8x16, av1_default_iscan_8x16, | 
 |         default_scan_8x16_neighbors }, | 
 |       { default_scan_8x16, av1_default_iscan_8x16, | 
 |         default_scan_8x16_neighbors }, | 
 |       { default_scan_8x16, av1_default_iscan_8x16, | 
 |         default_scan_8x16_neighbors }, | 
 |       { mrow_scan_8x16, av1_mrow_iscan_8x16, mrow_scan_8x16_neighbors }, | 
 |       { mcol_scan_8x16, av1_mcol_iscan_8x16, mcol_scan_8x16_neighbors }, | 
 |       { mrow_scan_8x16, av1_mrow_iscan_8x16, mrow_scan_8x16_neighbors }, | 
 |       { mcol_scan_8x16, av1_mcol_iscan_8x16, mcol_scan_8x16_neighbors }, | 
 |       { mrow_scan_8x16, av1_mrow_iscan_8x16, mrow_scan_8x16_neighbors }, | 
 |       { mcol_scan_8x16, av1_mcol_iscan_8x16, mcol_scan_8x16_neighbors }, | 
 |   }, | 
 |   { | 
 |       // TX_16X8 | 
 |       { default_scan_16x8, av1_default_iscan_16x8, | 
 |         default_scan_16x8_neighbors }, | 
 |       { default_scan_16x8, av1_default_iscan_16x8, | 
 |         default_scan_16x8_neighbors }, | 
 |       { default_scan_16x8, av1_default_iscan_16x8, | 
 |         default_scan_16x8_neighbors }, | 
 |       { default_scan_16x8, av1_default_iscan_16x8, | 
 |         default_scan_16x8_neighbors }, | 
 |       { default_scan_16x8, av1_default_iscan_16x8, | 
 |         default_scan_16x8_neighbors }, | 
 |       { default_scan_16x8, av1_default_iscan_16x8, | 
 |         default_scan_16x8_neighbors }, | 
 |       { default_scan_16x8, av1_default_iscan_16x8, | 
 |         default_scan_16x8_neighbors }, | 
 |       { default_scan_16x8, av1_default_iscan_16x8, | 
 |         default_scan_16x8_neighbors }, | 
 |       { default_scan_16x8, av1_default_iscan_16x8, | 
 |         default_scan_16x8_neighbors }, | 
 |       { default_scan_16x8, av1_default_iscan_16x8, | 
 |         default_scan_16x8_neighbors }, | 
 |       { mrow_scan_16x8, av1_mrow_iscan_16x8, mrow_scan_16x8_neighbors }, | 
 |       { mcol_scan_16x8, av1_mcol_iscan_16x8, mcol_scan_16x8_neighbors }, | 
 |       { mrow_scan_16x8, av1_mrow_iscan_16x8, mrow_scan_16x8_neighbors }, | 
 |       { mcol_scan_16x8, av1_mcol_iscan_16x8, mcol_scan_16x8_neighbors }, | 
 |       { mrow_scan_16x8, av1_mrow_iscan_16x8, mrow_scan_16x8_neighbors }, | 
 |       { mcol_scan_16x8, av1_mcol_iscan_16x8, mcol_scan_16x8_neighbors }, | 
 |   }, | 
 |   { | 
 |       // TX_16X32 | 
 |       { default_scan_16x32, av1_default_iscan_16x32, | 
 |         default_scan_16x32_neighbors }, | 
 |       { default_scan_16x32, av1_default_iscan_16x32, | 
 |         default_scan_16x32_neighbors }, | 
 |       { default_scan_16x32, av1_default_iscan_16x32, | 
 |         default_scan_16x32_neighbors }, | 
 |       { default_scan_16x32, av1_default_iscan_16x32, | 
 |         default_scan_16x32_neighbors }, | 
 |       { default_scan_16x32, av1_default_iscan_16x32, | 
 |         default_scan_16x32_neighbors }, | 
 |       { default_scan_16x32, av1_default_iscan_16x32, | 
 |         default_scan_16x32_neighbors }, | 
 |       { default_scan_16x32, av1_default_iscan_16x32, | 
 |         default_scan_16x32_neighbors }, | 
 |       { default_scan_16x32, av1_default_iscan_16x32, | 
 |         default_scan_16x32_neighbors }, | 
 |       { default_scan_16x32, av1_default_iscan_16x32, | 
 |         default_scan_16x32_neighbors }, | 
 |       { default_scan_16x32, av1_default_iscan_16x32, | 
 |         default_scan_16x32_neighbors }, | 
 |       { mrow_scan_16x32, av1_mrow_iscan_16x32, mrow_scan_16x32_neighbors }, | 
 |       { mcol_scan_16x32, av1_mcol_iscan_16x32, mcol_scan_16x32_neighbors }, | 
 |       { mrow_scan_16x32, av1_mrow_iscan_16x32, mrow_scan_16x32_neighbors }, | 
 |       { mcol_scan_16x32, av1_mcol_iscan_16x32, mcol_scan_16x32_neighbors }, | 
 |       { mrow_scan_16x32, av1_mrow_iscan_16x32, mrow_scan_16x32_neighbors }, | 
 |       { mcol_scan_16x32, av1_mcol_iscan_16x32, mcol_scan_16x32_neighbors }, | 
 |   }, | 
 |   { | 
 |       // TX_32X16 | 
 |       { default_scan_32x16, av1_default_iscan_32x16, | 
 |         default_scan_32x16_neighbors }, | 
 |       { default_scan_32x16, av1_default_iscan_32x16, | 
 |         default_scan_32x16_neighbors }, | 
 |       { default_scan_32x16, av1_default_iscan_32x16, | 
 |         default_scan_32x16_neighbors }, | 
 |       { default_scan_32x16, av1_default_iscan_32x16, | 
 |         default_scan_32x16_neighbors }, | 
 |       { default_scan_32x16, av1_default_iscan_32x16, | 
 |         default_scan_32x16_neighbors }, | 
 |       { default_scan_32x16, av1_default_iscan_32x16, | 
 |         default_scan_32x16_neighbors }, | 
 |       { default_scan_32x16, av1_default_iscan_32x16, | 
 |         default_scan_32x16_neighbors }, | 
 |       { default_scan_32x16, av1_default_iscan_32x16, | 
 |         default_scan_32x16_neighbors }, | 
 |       { default_scan_32x16, av1_default_iscan_32x16, | 
 |         default_scan_32x16_neighbors }, | 
 |       { default_scan_32x16, av1_default_iscan_32x16, | 
 |         default_scan_32x16_neighbors }, | 
 |       { mrow_scan_32x16, av1_mrow_iscan_32x16, mrow_scan_32x16_neighbors }, | 
 |       { mcol_scan_32x16, av1_mcol_iscan_32x16, mcol_scan_32x16_neighbors }, | 
 |       { mrow_scan_32x16, av1_mrow_iscan_32x16, mrow_scan_32x16_neighbors }, | 
 |       { mcol_scan_32x16, av1_mcol_iscan_32x16, mcol_scan_32x16_neighbors }, | 
 |       { mrow_scan_32x16, av1_mrow_iscan_32x16, mrow_scan_32x16_neighbors }, | 
 |       { mcol_scan_32x16, av1_mcol_iscan_32x16, mcol_scan_32x16_neighbors }, | 
 |   }, | 
 |   { | 
 |       // TX_32X64 | 
 |       // Half of the coefficients of tx64 at higher frequencies are set to | 
 |       // zeros. So tx32's scan order is used. | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { mrow_scan_32x32, av1_mrow_iscan_32x32, mrow_scan_32x32_neighbors }, | 
 |       { mcol_scan_32x32, av1_mcol_iscan_32x32, mcol_scan_32x32_neighbors }, | 
 |       { mrow_scan_32x32, av1_mrow_iscan_32x32, mrow_scan_32x32_neighbors }, | 
 |       { mcol_scan_32x32, av1_mcol_iscan_32x32, mcol_scan_32x32_neighbors }, | 
 |       { mrow_scan_32x32, av1_mrow_iscan_32x32, mrow_scan_32x32_neighbors }, | 
 |       { mcol_scan_32x32, av1_mcol_iscan_32x32, mcol_scan_32x32_neighbors }, | 
 |   }, | 
 |   { | 
 |       // TX_64X32 | 
 |       // Half of the coefficients of tx64 at higher frequencies are set to | 
 |       // zeros. So tx32's scan order is used. | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { default_scan_32x32, av1_default_iscan_32x32, | 
 |         default_scan_32x32_neighbors }, | 
 |       { mrow_scan_32x32, av1_mrow_iscan_32x32, mrow_scan_32x32_neighbors }, | 
 |       { mcol_scan_32x32, av1_mcol_iscan_32x32, mcol_scan_32x32_neighbors }, | 
 |       { mrow_scan_32x32, av1_mrow_iscan_32x32, mrow_scan_32x32_neighbors }, | 
 |       { mcol_scan_32x32, av1_mcol_iscan_32x32, mcol_scan_32x32_neighbors }, | 
 |       { mrow_scan_32x32, av1_mrow_iscan_32x32, mrow_scan_32x32_neighbors }, | 
 |       { mcol_scan_32x32, av1_mcol_iscan_32x32, mcol_scan_32x32_neighbors }, | 
 |   }, | 
 |   { | 
 |       // TX_4X16 | 
 |       { default_scan_4x16, av1_default_iscan_4x16, | 
 |         default_scan_4x16_neighbors }, | 
 |       { default_scan_4x16, av1_default_iscan_4x16, | 
 |         default_scan_4x16_neighbors }, | 
 |       { default_scan_4x16, av1_default_iscan_4x16, | 
 |         default_scan_4x16_neighbors }, | 
 |       { default_scan_4x16, av1_default_iscan_4x16, | 
 |         default_scan_4x16_neighbors }, | 
 |       { default_scan_4x16, av1_default_iscan_4x16, | 
 |         default_scan_4x16_neighbors }, | 
 |       { default_scan_4x16, av1_default_iscan_4x16, | 
 |         default_scan_4x16_neighbors }, | 
 |       { default_scan_4x16, av1_default_iscan_4x16, | 
 |         default_scan_4x16_neighbors }, | 
 |       { default_scan_4x16, av1_default_iscan_4x16, | 
 |         default_scan_4x16_neighbors }, | 
 |       { default_scan_4x16, av1_default_iscan_4x16, | 
 |         default_scan_4x16_neighbors }, | 
 |       { default_scan_4x16, av1_default_iscan_4x16, | 
 |         default_scan_4x16_neighbors }, | 
 |       { mrow_scan_4x16, av1_mrow_iscan_4x16, mrow_scan_4x16_neighbors }, | 
 |       { mcol_scan_4x16, av1_mcol_iscan_4x16, mcol_scan_4x16_neighbors }, | 
 |       { mrow_scan_4x16, av1_mrow_iscan_4x16, mrow_scan_4x16_neighbors }, | 
 |       { mcol_scan_4x16, av1_mcol_iscan_4x16, mcol_scan_4x16_neighbors }, | 
 |       { mrow_scan_4x16, av1_mrow_iscan_4x16, mrow_scan_4x16_neighbors }, | 
 |       { mcol_scan_4x16, av1_mcol_iscan_4x16, mcol_scan_4x16_neighbors }, | 
 |   }, | 
 |   { | 
 |       // TX_16X4 | 
 |       { default_scan_16x4, av1_default_iscan_16x4, | 
 |         default_scan_16x4_neighbors }, | 
 |       { default_scan_16x4, av1_default_iscan_16x4, | 
 |         default_scan_16x4_neighbors }, | 
 |       { default_scan_16x4, av1_default_iscan_16x4, | 
 |         default_scan_16x4_neighbors }, | 
 |       { default_scan_16x4, av1_default_iscan_16x4, | 
 |         default_scan_16x4_neighbors }, | 
 |       { default_scan_16x4, av1_default_iscan_16x4, | 
 |         default_scan_16x4_neighbors }, | 
 |       { default_scan_16x4, av1_default_iscan_16x4, | 
 |         default_scan_16x4_neighbors }, | 
 |       { default_scan_16x4, av1_default_iscan_16x4, | 
 |         default_scan_16x4_neighbors }, | 
 |       { default_scan_16x4, av1_default_iscan_16x4, | 
 |         default_scan_16x4_neighbors }, | 
 |       { default_scan_16x4, av1_default_iscan_16x4, | 
 |         default_scan_16x4_neighbors }, | 
 |       { default_scan_16x4, av1_default_iscan_16x4, | 
 |         default_scan_16x4_neighbors }, | 
 |       { mrow_scan_16x4, av1_mrow_iscan_16x4, mrow_scan_16x4_neighbors }, | 
 |       { mcol_scan_16x4, av1_mcol_iscan_16x4, mcol_scan_16x4_neighbors }, | 
 |       { mrow_scan_16x4, av1_mrow_iscan_16x4, mrow_scan_16x4_neighbors }, | 
 |       { mcol_scan_16x4, av1_mcol_iscan_16x4, mcol_scan_16x4_neighbors }, | 
 |       { mrow_scan_16x4, av1_mrow_iscan_16x4, mrow_scan_16x4_neighbors }, | 
 |       { mcol_scan_16x4, av1_mcol_iscan_16x4, mcol_scan_16x4_neighbors }, | 
 |   }, | 
 |   { | 
 |       // TX_8X32 | 
 |       { default_scan_8x32, av1_default_iscan_8x32, | 
 |         default_scan_8x32_neighbors }, | 
 |       { default_scan_8x32, av1_default_iscan_8x32, | 
 |         default_scan_8x32_neighbors }, | 
 |       { default_scan_8x32, av1_default_iscan_8x32, | 
 |         default_scan_8x32_neighbors }, | 
 |       { default_scan_8x32, av1_default_iscan_8x32, | 
 |         default_scan_8x32_neighbors }, | 
 |       { default_scan_8x32, av1_default_iscan_8x32, | 
 |         default_scan_8x32_neighbors }, | 
 |       { default_scan_8x32, av1_default_iscan_8x32, | 
 |         default_scan_8x32_neighbors }, | 
 |       { default_scan_8x32, av1_default_iscan_8x32, | 
 |         default_scan_8x32_neighbors }, | 
 |       { default_scan_8x32, av1_default_iscan_8x32, | 
 |         default_scan_8x32_neighbors }, | 
 |       { default_scan_8x32, av1_default_iscan_8x32, | 
 |         default_scan_8x32_neighbors }, | 
 |       { default_scan_8x32, av1_default_iscan_8x32, | 
 |         default_scan_8x32_neighbors }, | 
 |       { mrow_scan_8x32, av1_mrow_iscan_8x32, mrow_scan_8x32_neighbors }, | 
 |       { mcol_scan_8x32, av1_mcol_iscan_8x32, mcol_scan_8x32_neighbors }, | 
 |       { mrow_scan_8x32, av1_mrow_iscan_8x32, mrow_scan_8x32_neighbors }, | 
 |       { mcol_scan_8x32, av1_mcol_iscan_8x32, mcol_scan_8x32_neighbors }, | 
 |       { mrow_scan_8x32, av1_mrow_iscan_8x32, mrow_scan_8x32_neighbors }, | 
 |       { mcol_scan_8x32, av1_mcol_iscan_8x32, mcol_scan_8x32_neighbors }, | 
 |   }, | 
 |   { | 
 |       // TX_32X8 | 
 |       { default_scan_32x8, av1_default_iscan_32x8, | 
 |         default_scan_32x8_neighbors }, | 
 |       { default_scan_32x8, av1_default_iscan_32x8, | 
 |         default_scan_32x8_neighbors }, | 
 |       { default_scan_32x8, av1_default_iscan_32x8, | 
 |         default_scan_32x8_neighbors }, | 
 |       { default_scan_32x8, av1_default_iscan_32x8, | 
 |         default_scan_32x8_neighbors }, | 
 |       { default_scan_32x8, av1_default_iscan_32x8, | 
 |         default_scan_32x8_neighbors }, | 
 |       { default_scan_32x8, av1_default_iscan_32x8, | 
 |         default_scan_32x8_neighbors }, | 
 |       { default_scan_32x8, av1_default_iscan_32x8, | 
 |         default_scan_32x8_neighbors }, | 
 |       { default_scan_32x8, av1_default_iscan_32x8, | 
 |         default_scan_32x8_neighbors }, | 
 |       { default_scan_32x8, av1_default_iscan_32x8, | 
 |         default_scan_32x8_neighbors }, | 
 |       { default_scan_32x8, av1_default_iscan_32x8, | 
 |         default_scan_32x8_neighbors }, | 
 |       { mrow_scan_32x8, av1_mrow_iscan_32x8, mrow_scan_32x8_neighbors }, | 
 |       { mcol_scan_32x8, av1_mcol_iscan_32x8, mcol_scan_32x8_neighbors }, | 
 |       { mrow_scan_32x8, av1_mrow_iscan_32x8, mrow_scan_32x8_neighbors }, | 
 |       { mcol_scan_32x8, av1_mcol_iscan_32x8, mcol_scan_32x8_neighbors }, | 
 |       { mrow_scan_32x8, av1_mrow_iscan_32x8, mrow_scan_32x8_neighbors }, | 
 |       { mcol_scan_32x8, av1_mcol_iscan_32x8, mcol_scan_32x8_neighbors }, | 
 |   }, | 
 |   { | 
 |       // TX_16X64 | 
 |       // Half of the coefficients of tx64 at higher frequencies are set to | 
 |       // zeros. So tx32's scan order is used. | 
 |       { default_scan_16x32, av1_default_iscan_16x32, | 
 |         default_scan_16x32_neighbors }, | 
 |       { default_scan_16x32, av1_default_iscan_16x32, | 
 |         default_scan_16x32_neighbors }, | 
 |       { default_scan_16x32, av1_default_iscan_16x32, | 
 |         default_scan_16x32_neighbors }, | 
 |       { default_scan_16x32, av1_default_iscan_16x32, | 
 |         default_scan_16x32_neighbors }, | 
 |       { default_scan_16x32, av1_default_iscan_16x32, | 
 |         default_scan_16x32_neighbors }, | 
 |       { default_scan_16x32, av1_default_iscan_16x32, | 
 |         default_scan_16x32_neighbors }, | 
 |       { default_scan_16x32, av1_default_iscan_16x32, | 
 |         default_scan_16x32_neighbors }, | 
 |       { default_scan_16x32, av1_default_iscan_16x32, | 
 |         default_scan_16x32_neighbors }, | 
 |       { default_scan_16x32, av1_default_iscan_16x32, | 
 |         default_scan_16x32_neighbors }, | 
 |       { default_scan_16x32, av1_default_iscan_16x32, | 
 |         default_scan_16x32_neighbors }, | 
 |       { mrow_scan_16x32, av1_mrow_iscan_16x32, mrow_scan_16x32_neighbors }, | 
 |       { mcol_scan_16x32, av1_mcol_iscan_16x32, mcol_scan_16x32_neighbors }, | 
 |       { mrow_scan_16x32, av1_mrow_iscan_16x32, mrow_scan_16x32_neighbors }, | 
 |       { mcol_scan_16x32, av1_mcol_iscan_16x32, mcol_scan_16x32_neighbors }, | 
 |       { mrow_scan_16x32, av1_mrow_iscan_16x32, mrow_scan_16x32_neighbors }, | 
 |       { mcol_scan_16x32, av1_mcol_iscan_16x32, mcol_scan_16x32_neighbors }, | 
 |   }, | 
 |   { | 
 |       // TX_64X16 | 
 |       // Half of the coefficients of tx64 at higher frequencies are set to | 
 |       // zeros. So tx32's scan order is used. | 
 |       { default_scan_32x16, av1_default_iscan_32x16, | 
 |         default_scan_32x16_neighbors }, | 
 |       { default_scan_32x16, av1_default_iscan_32x16, | 
 |         default_scan_32x16_neighbors }, | 
 |       { default_scan_32x16, av1_default_iscan_32x16, | 
 |         default_scan_32x16_neighbors }, | 
 |       { default_scan_32x16, av1_default_iscan_32x16, | 
 |         default_scan_32x16_neighbors }, | 
 |       { default_scan_32x16, av1_default_iscan_32x16, | 
 |         default_scan_32x16_neighbors }, | 
 |       { default_scan_32x16, av1_default_iscan_32x16, | 
 |         default_scan_32x16_neighbors }, | 
 |       { default_scan_32x16, av1_default_iscan_32x16, | 
 |         default_scan_32x16_neighbors }, | 
 |       { default_scan_32x16, av1_default_iscan_32x16, | 
 |         default_scan_32x16_neighbors }, | 
 |       { default_scan_32x16, av1_default_iscan_32x16, | 
 |         default_scan_32x16_neighbors }, | 
 |       { default_scan_32x16, av1_default_iscan_32x16, | 
 |         default_scan_32x16_neighbors }, | 
 |       { mrow_scan_32x16, av1_mrow_iscan_32x16, mrow_scan_32x16_neighbors }, | 
 |       { mcol_scan_32x16, av1_mcol_iscan_32x16, mcol_scan_32x16_neighbors }, | 
 |       { mrow_scan_32x16, av1_mrow_iscan_32x16, mrow_scan_32x16_neighbors }, | 
 |       { mcol_scan_32x16, av1_mcol_iscan_32x16, mcol_scan_32x16_neighbors }, | 
 |       { mrow_scan_32x16, av1_mrow_iscan_32x16, mrow_scan_32x16_neighbors }, | 
 |       { mcol_scan_32x16, av1_mcol_iscan_32x16, mcol_scan_32x16_neighbors }, | 
 |   }, | 
 | }; |