scan.c 291 KB
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/*
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 * Copyright (c) 2016, Alliance for Open Media. All rights reserved
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 *
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 * 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.
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 */

#include <assert.h>

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#include "av1/common/common_data.h"
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#include "av1/common/scan.h"
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DECLARE_ALIGNED(16, static const int16_t, default_scan_4x4[16]) = {
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  0, 4, 1, 5, 8, 2, 12, 9, 3, 6, 13, 10, 7, 14, 11, 15,
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};

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#if CONFIG_EXT_TX
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DECLARE_ALIGNED(16, static const int16_t, mcol_scan_4x4[16]) = {
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clang-format committed
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  0, 4, 8, 12, 1, 5, 9, 13, 2, 6, 10, 14, 3, 7, 11, 15,
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};

DECLARE_ALIGNED(16, static const int16_t, mrow_scan_4x4[16]) = {
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  0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
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};
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#endif  // CONFIG_EXT_TX
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DECLARE_ALIGNED(16, static const int16_t, col_scan_4x4[16]) = {
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  0, 4, 8, 1, 12, 5, 9, 2, 13, 6, 10, 3, 7, 14, 11, 15,
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};

DECLARE_ALIGNED(16, static const int16_t, row_scan_4x4[16]) = {
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  0, 1, 4, 2, 5, 3, 6, 8, 9, 7, 12, 10, 13, 11, 14, 15,
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};

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DECLARE_ALIGNED(16, static const int16_t, default_scan_4x8[32]) = {
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  0,  1,  4,  5,  2,  8,  6,  9,  10, 3,  12, 7,  13, 11, 14, 16,
  17, 15, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
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};

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#if CONFIG_EXT_TX
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DECLARE_ALIGNED(16, static const int16_t, mcol_scan_4x8[32]) = {
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clang-format committed
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  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,
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};

DECLARE_ALIGNED(16, static const int16_t, mrow_scan_4x8[32]) = {
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clang-format committed
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  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,
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};
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#endif
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DECLARE_ALIGNED(16, static const int16_t, default_scan_8x4[32]) = {
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  0,  1,  8,  9, 2,  16, 10, 17, 18, 3,  24, 11, 25, 19, 26, 4,
  12, 27, 20, 5, 28, 13, 21, 29, 6,  14, 22, 30, 7,  15, 23, 31,
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};

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#if CONFIG_EXT_TX
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DECLARE_ALIGNED(16, static const int16_t, mcol_scan_8x4[32]) = {
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clang-format committed
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  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,
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};

DECLARE_ALIGNED(16, static const int16_t, mrow_scan_8x4[32]) = {
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clang-format committed
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  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,
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};
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#endif
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DECLARE_ALIGNED(16, static const int16_t, default_scan_8x8[64]) = {
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  0,  8,  1,  16, 9,  2,  17, 24, 10, 3,  18, 25, 32, 11, 4,  26,
  33, 19, 40, 12, 34, 27, 5,  41, 20, 48, 13, 35, 42, 28, 21, 6,
  49, 56, 36, 43, 29, 7,  14, 50, 57, 44, 22, 37, 15, 51, 58, 30,
  45, 23, 52, 59, 38, 31, 60, 53, 46, 39, 61, 54, 47, 62, 55, 63,
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};

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#if CONFIG_EXT_TX
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DECLARE_ALIGNED(16, static const int16_t, mcol_scan_8x8[64]) = {
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  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,
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};

DECLARE_ALIGNED(16, static const int16_t, mrow_scan_8x8[64]) = {
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clang-format committed
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  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,
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};
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#endif  // CONFIG_EXT_TX
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DECLARE_ALIGNED(16, static const int16_t, col_scan_8x8[64]) = {
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  0,  8,  16, 1,  24, 9,  32, 17, 2,  40, 25, 10, 33, 18, 48, 3,
  26, 41, 11, 56, 19, 34, 4,  49, 27, 42, 12, 35, 20, 57, 50, 28,
  5,  43, 13, 36, 58, 51, 21, 44, 6,  29, 59, 37, 14, 52, 22, 7,
  45, 60, 30, 15, 38, 53, 23, 46, 31, 61, 39, 54, 47, 62, 55, 63,
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};

DECLARE_ALIGNED(16, static const int16_t, row_scan_8x8[64]) = {
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clang-format committed
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  0,  1,  2,  8,  9,  3,  16, 10, 4,  17, 11, 24, 5,  18, 25, 12,
  19, 26, 32, 6,  13, 20, 33, 27, 7,  34, 40, 21, 28, 41, 14, 35,
  48, 42, 29, 36, 49, 22, 43, 15, 56, 37, 50, 44, 30, 57, 23, 51,
  58, 45, 38, 52, 31, 59, 53, 46, 60, 39, 61, 47, 54, 55, 62, 63,
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};

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DECLARE_ALIGNED(16, static const int16_t, default_scan_8x16[128]) = {
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  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,
119 120 121 122
  117, 124, 111, 118, 125, 119, 126, 127,
};

DECLARE_ALIGNED(16, static const int16_t, default_scan_16x8[128]) = {
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  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, 9,   24,  39,  54,
  69,  84, 99,  114, 10,  25,  40, 55, 70,  85,  100, 115, 11,  26,  41,  56,
  71,  86, 101, 116, 12,  27,  42, 57, 72,  87,  102, 117, 13,  28,  43,  58,
  73,  88, 103, 118, 14,  29,  44, 59, 74,  89,  104, 119, 15,  30,  45,  60,
  75,  90, 105, 120, 31,  46,  61, 76, 91,  106, 121, 47,  62,  77,  92,  107,
  122, 63, 78,  93,  108, 123, 79, 94, 109, 124, 95,  110, 125, 111, 126, 127,
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};

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#if CONFIG_EXT_TX
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DECLARE_ALIGNED(16, static const int16_t, mcol_scan_8x16[128]) = {
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clang-format committed
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  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,
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};

DECLARE_ALIGNED(16, static const int16_t, mcol_scan_16x8[128]) = {
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  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,
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};

DECLARE_ALIGNED(16, static const int16_t, mrow_scan_8x16[128]) = {
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  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,
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  120, 121, 122, 123, 124, 125, 126, 127,
};

DECLARE_ALIGNED(16, static const int16_t, mrow_scan_16x8[128]) = {
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  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,
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  120, 121, 122, 123, 124, 125, 126, 127,
};
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#endif
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DECLARE_ALIGNED(16, static const int16_t, default_scan_16x32[512]) = {
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  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,
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};

DECLARE_ALIGNED(16, static const int16_t, default_scan_32x16[512]) = {
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clang-format committed
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  0,   1,   32,  2,   33,  64,  3,   34,  65,  96,  4,   35,  66,  97,  128,
  5,   36,  67,  98,  129, 160, 6,   37,  68,  99,  130, 161, 192, 7,   38,
  69,  100, 131, 162, 193, 224, 8,   39,  70,  101, 132, 163, 194, 225, 256,
  9,   40,  71,  102, 133, 164, 195, 226, 257, 288, 10,  41,  72,  103, 134,
  165, 196, 227, 258, 289, 320, 11,  42,  73,  104, 135, 166, 197, 228, 259,
  290, 321, 352, 12,  43,  74,  105, 136, 167, 198, 229, 260, 291, 322, 353,
  384, 13,  44,  75,  106, 137, 168, 199, 230, 261, 292, 323, 354, 385, 416,
  14,  45,  76,  107, 138, 169, 200, 231, 262, 293, 324, 355, 386, 417, 448,
  15,  46,  77,  108, 139, 170, 201, 232, 263, 294, 325, 356, 387, 418, 449,
  480, 16,  47,  78,  109, 140, 171, 202, 233, 264, 295, 326, 357, 388, 419,
  450, 481, 17,  48,  79,  110, 141, 172, 203, 234, 265, 296, 327, 358, 389,
  420, 451, 482, 18,  49,  80,  111, 142, 173, 204, 235, 266, 297, 328, 359,
  390, 421, 452, 483, 19,  50,  81,  112, 143, 174, 205, 236, 267, 298, 329,
  360, 391, 422, 453, 484, 20,  51,  82,  113, 144, 175, 206, 237, 268, 299,
  330, 361, 392, 423, 454, 485, 21,  52,  83,  114, 145, 176, 207, 238, 269,
  300, 331, 362, 393, 424, 455, 486, 22,  53,  84,  115, 146, 177, 208, 239,
  270, 301, 332, 363, 394, 425, 456, 487, 23,  54,  85,  116, 147, 178, 209,
  240, 271, 302, 333, 364, 395, 426, 457, 488, 24,  55,  86,  117, 148, 179,
  210, 241, 272, 303, 334, 365, 396, 427, 458, 489, 25,  56,  87,  118, 149,
  180, 211, 242, 273, 304, 335, 366, 397, 428, 459, 490, 26,  57,  88,  119,
  150, 181, 212, 243, 274, 305, 336, 367, 398, 429, 460, 491, 27,  58,  89,
  120, 151, 182, 213, 244, 275, 306, 337, 368, 399, 430, 461, 492, 28,  59,
  90,  121, 152, 183, 214, 245, 276, 307, 338, 369, 400, 431, 462, 493, 29,
  60,  91,  122, 153, 184, 215, 246, 277, 308, 339, 370, 401, 432, 463, 494,
  30,  61,  92,  123, 154, 185, 216, 247, 278, 309, 340, 371, 402, 433, 464,
  495, 31,  62,  93,  124, 155, 186, 217, 248, 279, 310, 341, 372, 403, 434,
  465, 496, 63,  94,  125, 156, 187, 218, 249, 280, 311, 342, 373, 404, 435,
  466, 497, 95,  126, 157, 188, 219, 250, 281, 312, 343, 374, 405, 436, 467,
  498, 127, 158, 189, 220, 251, 282, 313, 344, 375, 406, 437, 468, 499, 159,
  190, 221, 252, 283, 314, 345, 376, 407, 438, 469, 500, 191, 222, 253, 284,
  315, 346, 377, 408, 439, 470, 501, 223, 254, 285, 316, 347, 378, 409, 440,
  471, 502, 255, 286, 317, 348, 379, 410, 441, 472, 503, 287, 318, 349, 380,
  411, 442, 473, 504, 319, 350, 381, 412, 443, 474, 505, 351, 382, 413, 444,
  475, 506, 383, 414, 445, 476, 507, 415, 446, 477, 508, 447, 478, 509, 479,
  510, 511,
255 256
};

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#if CONFIG_EXT_TX
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DECLARE_ALIGNED(16, static const int16_t, mcol_scan_16x32[512]) = {
clang-format's avatar
clang-format committed
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  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,
294 295 296
};

DECLARE_ALIGNED(16, static const int16_t, mcol_scan_32x16[512]) = {
clang-format's avatar
clang-format committed
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
  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,
329 330 331
};

DECLARE_ALIGNED(16, static const int16_t, mrow_scan_16x32[512]) = {
clang-format's avatar
clang-format committed
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
  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,
367 368 369
};

DECLARE_ALIGNED(16, static const int16_t, mrow_scan_32x16[512]) = {
clang-format's avatar
clang-format committed
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
  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,
405 406 407
};
#endif  // CONFIG_EXT_TX

Jingning Han's avatar
Jingning Han committed
408
DECLARE_ALIGNED(16, static const int16_t, default_scan_16x16[256]) = {
clang-format's avatar
clang-format committed
409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424
  0,   16,  1,   32,  17,  2,   48,  33,  18,  3,   64,  34,  49,  19,  65,
  80,  50,  4,   35,  66,  20,  81,  96,  51,  5,   36,  82,  97,  67,  112,
  21,  52,  98,  37,  83,  113, 6,   68,  128, 53,  22,  99,  114, 84,  7,
  129, 38,  69,  100, 115, 144, 130, 85,  54,  23,  8,   145, 39,  70,  116,
  101, 131, 160, 146, 55,  86,  24,  71,  132, 117, 161, 40,  9,   102, 147,
  176, 162, 87,  56,  25,  133, 118, 177, 148, 72,  103, 41,  163, 10,  192,
  178, 88,  57,  134, 149, 119, 26,  164, 73,  104, 193, 42,  179, 208, 11,
  135, 89,  165, 120, 150, 58,  194, 180, 27,  74,  209, 105, 151, 136, 43,
  90,  224, 166, 195, 181, 121, 210, 59,  12,  152, 106, 167, 196, 75,  137,
  225, 211, 240, 182, 122, 91,  28,  197, 13,  226, 168, 183, 153, 44,  212,
  138, 107, 241, 60,  29,  123, 198, 184, 227, 169, 242, 76,  213, 154, 45,
  92,  14,  199, 139, 61,  228, 214, 170, 185, 243, 108, 77,  155, 30,  15,
  200, 229, 124, 215, 244, 93,  46,  186, 171, 201, 109, 140, 230, 62,  216,
  245, 31,  125, 78,  156, 231, 47,  187, 202, 217, 94,  246, 141, 63,  232,
  172, 110, 247, 157, 79,  218, 203, 126, 233, 188, 248, 95,  173, 142, 219,
  111, 249, 234, 158, 127, 189, 204, 250, 235, 143, 174, 220, 205, 159, 251,
Jingning Han's avatar
Jingning Han committed
425 426 427 428
  190, 221, 175, 236, 237, 191, 206, 252, 222, 253, 207, 238, 223, 254, 239,
  255,
};

hui su's avatar
hui su committed
429
#if CONFIG_EXT_TX
430
DECLARE_ALIGNED(16, static const int16_t, mcol_scan_16x16[256]) = {
clang-format's avatar
clang-format committed
431 432 433 434 435 436 437 438 439 440
  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,
441 442 443 444 445 446 447 448 449
  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]) = {
clang-format's avatar
clang-format committed
450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467
  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,
468
};
hui su's avatar
hui su committed
469
#endif  // CONFIG_EXT_TX
470

Jingning Han's avatar
Jingning Han committed
471
DECLARE_ALIGNED(16, static const int16_t, col_scan_16x16[256]) = {
clang-format's avatar
clang-format committed
472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487
  0,   16,  32,  48,  1,   64,  17,  80,  33,  96,  49,  2,   65,  112, 18,
  81,  34,  128, 50,  97,  3,   66,  144, 19,  113, 35,  82,  160, 98,  51,
  129, 4,   67,  176, 20,  114, 145, 83,  36,  99,  130, 52,  192, 5,   161,
  68,  115, 21,  146, 84,  208, 177, 37,  131, 100, 53,  162, 224, 69,  6,
  116, 193, 147, 85,  22,  240, 132, 38,  178, 101, 163, 54,  209, 117, 70,
  7,   148, 194, 86,  179, 225, 23,  133, 39,  164, 8,   102, 210, 241, 55,
  195, 118, 149, 71,  180, 24,  87,  226, 134, 165, 211, 40,  103, 56,  72,
  150, 196, 242, 119, 9,   181, 227, 88,  166, 25,  135, 41,  104, 212, 57,
  151, 197, 120, 73,  243, 182, 136, 167, 213, 89,  10,  228, 105, 152, 198,
  26,  42,  121, 183, 244, 168, 58,  137, 229, 74,  214, 90,  153, 199, 184,
  11,  106, 245, 27,  122, 230, 169, 43,  215, 59,  200, 138, 185, 246, 75,
  12,  91,  154, 216, 231, 107, 28,  44,  201, 123, 170, 60,  247, 232, 76,
  139, 13,  92,  217, 186, 248, 155, 108, 29,  124, 45,  202, 233, 171, 61,
  14,  77,  140, 15,  249, 93,  30,  187, 156, 218, 46,  109, 125, 62,  172,
  78,  203, 31,  141, 234, 94,  47,  188, 63,  157, 110, 250, 219, 79,  126,
  204, 173, 142, 95,  189, 111, 235, 158, 220, 251, 127, 174, 143, 205, 236,
Jingning Han's avatar
Jingning Han committed
488 489 490 491 492
  159, 190, 221, 252, 175, 206, 237, 191, 253, 222, 238, 207, 254, 223, 239,
  255,
};

DECLARE_ALIGNED(16, static const int16_t, row_scan_16x16[256]) = {
clang-format's avatar
clang-format committed
493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508
  0,   1,   2,   16,  3,   17,  4,   18,  32,  5,   33,  19,  6,   34,  48,
  20,  49,  7,   35,  21,  50,  64,  8,   36,  65,  22,  51,  37,  80,  9,
  66,  52,  23,  38,  81,  67,  10,  53,  24,  82,  68,  96,  39,  11,  54,
  83,  97,  69,  25,  98,  84,  40,  112, 55,  12,  70,  99,  113, 85,  26,
  41,  56,  114, 100, 13,  71,  128, 86,  27,  115, 101, 129, 42,  57,  72,
  116, 14,  87,  130, 102, 144, 73,  131, 117, 28,  58,  15,  88,  43,  145,
  103, 132, 146, 118, 74,  160, 89,  133, 104, 29,  59,  147, 119, 44,  161,
  148, 90,  105, 134, 162, 120, 176, 75,  135, 149, 30,  60,  163, 177, 45,
  121, 91,  106, 164, 178, 150, 192, 136, 165, 179, 31,  151, 193, 76,  122,
  61,  137, 194, 107, 152, 180, 208, 46,  166, 167, 195, 92,  181, 138, 209,
  123, 153, 224, 196, 77,  168, 210, 182, 240, 108, 197, 62,  154, 225, 183,
  169, 211, 47,  139, 93,  184, 226, 212, 241, 198, 170, 124, 155, 199, 78,
  213, 185, 109, 227, 200, 63,  228, 242, 140, 214, 171, 186, 156, 229, 243,
  125, 94,  201, 244, 215, 216, 230, 141, 187, 202, 79,  172, 110, 157, 245,
  217, 231, 95,  246, 232, 126, 203, 247, 233, 173, 218, 142, 111, 158, 188,
  248, 127, 234, 219, 249, 189, 204, 143, 174, 159, 250, 235, 205, 220, 175,
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509 510 511 512
  190, 251, 221, 191, 206, 236, 207, 237, 252, 222, 253, 223, 238, 239, 254,
  255,
};

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#if CONFIG_EXT_TX
514
DECLARE_ALIGNED(16, static const int16_t, mcol_scan_32x32[1024]) = {
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  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,
589 590 591
};

DECLARE_ALIGNED(16, static const int16_t, mrow_scan_32x32[1024]) = {
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  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,
671
};
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672
#endif  // CONFIG_EXT_TX
673

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

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#if CONFIG_EXT_TX
// Scan over two rectangular vertical partitions one after the other
DECLARE_ALIGNED(16, static const int16_t, v2_scan_32x32[1024]) = {
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  0,    1,    32,   33,   2,    64,   34,   65,   66,   3,    96,   35,   97,
  67,   98,   4,    128,  36,   129,  99,   68,   130,  5,    100,  131,  160,
  37,   161,  69,   162,  132,  101,  163,  6,    192,  38,   193,  70,   194,
  133,  164,  102,  195,  7,    224,  39,   165,  225,  134,  196,  71,   226,
  103,  227,  166,  197,  8,    256,  40,   135,  228,  257,  72,   258,  198,
  104,  259,  167,  229,  136,  260,  9,    288,  41,   289,  73,   199,  230,
  290,  168,  261,  105,  291,  137,  292,  231,  10,   200,  262,  320,  42,
  321,  74,   322,  169,  293,  106,  323,  232,  263,  138,  324,  201,  294,
  11,   352,  43,   353,  75,   170,  325,  354,  264,  107,  233,  295,  355,
  202,  326,  139,  356,  12,   384,  44,   265,  296,  385,  171,  357,  76,
  386,  234,  327,  108,  387,  203,  358,  140,  388,  297,  266,  328,  13,
  172,  389,  416,  45,   235,  359,  417,  77,   418,  109,  419,  204,  390,
  298,  329,  141,  267,  360,  420,  236,  391,  173,  421,  14,   448,  46,
  449,  78,   330,  450,  299,  361,  110,  205,  422,  451,  268,  392,  142,
  452,  237,  423,  174,  331,  362,  453,  15,   300,  393,  480,  47,   481,
  79,   482,  206,  454,  269,  424,  111,  483,  143,  484,  363,  332,  394,
  238,  455,  175,  301,  425,  485,  512,  513,  270,  456,  514,  207,  486,
  364,  395,  515,  333,  426,  516,  239,  487,  302,  457,  517,  396,  271,
  488,  544,  365,  427,  545,  518,  546,  334,  458,  547,  519,  548,  303,
  489,  397,  428,  549,  366,  459,  520,  576,  335,  490,  550,  577,  578,
  579,  521,  429,  551,  398,  460,  580,  367,  491,  581,  552,  522,  582,
  608,  609,  430,  461,  610,  399,  492,  553,  611,  583,  523,  612,  613,
  584,  554,  462,  431,  493,  614,  524,  640,  641,  642,  585,  643,  555,
  615,  644,  463,  494,  586,  525,  616,  645,  556,  646,  672,  617,  673,
  587,  674,  647,  495,  675,  526,  676,  557,  618,  648,  677,  588,  678,
  527,  649,  619,  704,  558,  705,  706,  679,  589,  707,  650,  708,  620,
  680,  709,  559,  590,  710,  651,  681,  736,  621,  737,  711,  738,  739,
  682,  652,  740,  712,  591,  741,  622,  683,  713,  742,  653,  768,  769,
  743,  770,  714,  684,  771,  623,  772,  744,  654,  773,  715,  685,  745,
  774,  655,  775,  800,  801,  716,  746,  802,  803,  686,  776,  804,  747,
  805,  717,  777,  806,  687,  748,  807,  778,  832,  833,  718,  834,  835,
  808,  836,  779,  749,  837,  809,  719,  838,  780,  750,  810,  839,  864,
  865,  866,  867,  840,  781,  868,  811,  751,  869,  841,  870,  812,  782,
  842,  871,  896,  897,  898,  872,  899,  813,  843,  900,  783,  901,  873,
  844,  902,  814,  874,  903,  928,  929,  845,  930,  904,  815,  875,  931,
  932,  905,  933,  846,  876,  934,  906,  935,  877,  960,  847,  961,  962,
  907,  936,  963,  964,  937,  878,  965,  908,  966,  938,  967,  909,  879,
  992,  939,  993,  968,  994,  995,  996,  910,  969,  940,  997,  998,  970,
  911,  941,  999,  971,  1000, 942,  1001, 972,  1002, 943,  973,  1003, 974,
  1004, 975,  1005, 1006, 1007, 16,   48,   80,   112,  144,  176,  17,   49,
  208,  81,   113,  145,  240,  177,  272,  18,   50,   209,  82,   114,  304,
  241,  146,  178,  273,  336,  210,  19,   51,   83,   115,  305,  242,  147,
  368,  179,  274,  337,  211,  20,   400,  52,   84,   306,  116,  243,  369,
  148,  338,  180,  275,  432,  401,  212,  21,   53,   307,  85,   370,  244,
  117,  464,  149,  433,  339,  276,  181,  402,  213,  308,  496,  371,  22,
  54,   465,  86,   245,  118,  434,  150,  340,  277,  403,  182,  528,  497,
  214,  466,  372,  309,  23,   55,   435,  87,   246,  119,  341,  404,  151,
  529,  560,  278,  498,  183,  467,  373,  215,  310,  436,  24,   56,   247,
  561,  88,   530,  592,  342,  120,  405,  499,  152,  279,  468,  184,  374,
  311,  437,  216,  562,  593,  531,  624,  25,   248,  500,  57,   406,  89,
  343,  121,  469,  280,  153,  594,  185,  375,  563,  625,  438,  532,  656,
  312,  217,  501,  407,  249,  26,   344,  58,   90,   470,  122,  595,  626,
  281,  564,  657,  154,  376,  533,  688,  439,  186,  313,  502,  218,  408,
  627,  596,  658,  250,  345,  471,  27,   59,   565,  689,  91,   123,  282,
  534,  720,  155,  440,  377,  187,  503,  314,  628,  659,  219,  597,  690,
  409,  472,  566,  721,  346,  251,  28,   60,   535,  752,  92,   124,  283,
  441,  378,  156,  660,  504,  629,  691,  598,  722,  188,  315,  567,  753,
  220,  410,  473,  347,  536,  784,  252,  29,   661,  692,  61,   93,   442,
  630,  723,  284,  125,  379,  505,  599,  754,  157,  316,  568,  785,  189,
  474,  411,  221,  537,  816,  693,  348,  662,  724,  253,  631,  755,  443,
  30,   600,  786,  62,   506,  94,   285,  380,  126,  569,  817,  158,  317,
  190,  475,  694,  725,  412,  663,  756,  538,  848,  222,  632,  787,  349,
  254,  601,  818,  444,  507,  31,   63,   381,  286,  95,   570,  849,  726,
  127,  695,  757,  664,  788,  159,  476,  318,  413,  539,  880,  191,  633,
  819,  223,  350,  602,  850,  508,  255,  445,  727,  758,  696,  789,  571,
  881,  382,  287,  665,  820,  477,  634,  851,  540,  912,  319,  414,  603,
  882,  759,  728,  790,  351,  509,  697,  821,  446,  572,  913,  666,  852,
  383,  635,  883,  478,  541,  944,  415,  760,  791,  604,  914,  729,  822,
  698,  853,  510,  667,  884,  447,  573,  945,  636,  915,  792,  761,  823,
  542,  976,  479,  730,  854,  605,  946,  699,  885,  668,  916,  511,  574,
  977,  793,  824,  637,  947,  762,  855,  731,  886,  543,  1008, 606,  978,
  700,  917,  669,  948,  575,  825,  1009, 794,  856,  763,  887,  638,  979,
  732,  918,  701,  949,  607,  1010, 670,  980,  826,  857,  795,  888,  764,
  919,  639,  1011, 733,  950,  702,  981,  858,  827,  889,  796,  920,  671,
  1012, 765,  951,  734,  982,  703,  1013, 859,  890,  828,  921,  797,  952,
  766,  983,  735,  1014, 891,  860,  922,  829,  953,  798,  984,  767,  1015,
  892,  923,  861,  954,  830,  985,  799,  1016, 924,  893,  955,  862,  986,
  831,  1017, 925,  956,  894,  987,  863,  1018, 957,  926,  988,  895,  1019,
  958,  989,  927,  1020, 990,  959,  1021, 991,  1022, 1023,
838 839 840 841
};

// Scan over two rectangular horizontal partitions one after the other
DECLARE_ALIGNED(16, static const int16_t, h2_scan_32x32[1024]) = {
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  0,    1,    32,   33,   2,    64,   34,   65,   66,   3,    96,   35,   97,
  67,   98,   4,    128,  36,   129,  99,   68,   130,  5,    100,  131,  160,
  37,   161,  69,   162,  132,  101,  163,  6,    192,  38,   193,  70,   194,
  133,  164,  102,  195,  7,    224,  39,   165,  225,  134,  196,  71,   226,
  103,  227,  166,  197,  8,    256,  40,   135,  228,  257,  72,   258,  198,
  104,  259,  167,  229,  136,  260,  9,    288,  41,   289,  73,   199,  230,
  290,  168,  261,  105,  291,  137,  292,  231,  10,   200,  262,  320,  42,
  321,  74,   322,  169,  293,  106,  323,  232,  263,  138,  324,  201,  294,
  11,   352,  43,   353,  75,   170,  325,  354,  264,  107,  233,  295,  355,
  202,  326,  139,  356,  12,   384,  44,   265,  296,  385,  171,  357,  76,
  386,  234,  327,  108,  387,  203,  358,  140,  388,  297,  266,  328,  13,
  172,  389,  416,  45,   235,  359,  417,  77,   418,  109,  419,  204,  390,
  298,  329,  141,  267,  360,  420,  236,  391,  173,  421,  14,   448,  46,
  449,  78,   330,  450,  299,  361,  110,  205,  422,  451,  268,  392,  142,
  452,  237,  423,  174,  331,  362,  453,  15,   300,  393,  480,  47,   481,
  79,   482,  206,  454,  269,  424,  111,  483,  143,  484,  363,  332,  394,
  238,  455,  175,  301,  425,  485,  16,   48,   80,   270,  456,  207,  486,
  112,  364,  395,  333,  426,  144,  239,  487,  302,  457,  176,  396,  17,
  271,  488,  49,   365,  427,  208,  81,   334,  458,  113,  145,  240,  303,
  489,  397,  428,  177,  366,  459,  272,  18,   50,   209,  335,  490,  82,
  114,  304,  241,  429,  146,  398,  460,  367,  491,  178,  273,  336,  210,
  19,   51,   83,   430,  461,  399,  492,  115,  305,  242,  147,  368,  179,
  274,  337,  462,  431,  493,  211,  20,   400,  52,   84,   306,  116,  243,
  369,  148,  463,  494,  338,  180,  275,  432,  401,  212,  21,   53,   307,
  85,   370,  244,  117,  495,  464,  149,  433,  339,  276,  181,  402,  213,
  308,  496,  371,  22,   54,   465,  86,   245,  118,  434,  150,  340,  277,
  403,  182,  497,  214,  466,  372,  309,  23,   55,   435,  87,   246,  119,
  341,  404,  151,  278,  498,  183,  467,  373,  215,  310,  436,  24,   56,
  247,  88,   342,  120,  405,  499,  152,  279,  468,  184,  374,  311,  437,
  216,  25,   248,  500,  57,   406,  89,   343,  121,  469,  280,  153,  185,
  375,  438,  312,  217,  501,  407,  249,  26,   344,  58,   90,   470,  122,
  281,  154,  376,  439,  186,  313,  502,  218,  408,  250,  345,  471,  27,
  59,   91,   123,  282,  155,  440,  377,  187,  503,  314,  219,  409,  472,
  346,  251,  28,   60,   92,   124,  283,  441,  378,  156,  504,  188,  315,
  220,  410,  473,  347,  252,  29,   61,   93,   442,  284,  125,  379,  505,
  157,  316,  189,  474,  411,  221,  348,  253,  443,  30,   62,   506,  94,
  285,  380,  126,  158,  317,  190,  475,  412,  222,  349,  254,  444,  507,
  31,   63,   381,  286,  95,   127,  159,  476,  318,  413,  191,  223,  350,
  508,  255,  445,  382,  287,  477,  319,  414,  351,  509,  446,  383,  478,
  415,  510,  447,  479,  511,  512,  513,  514,  515,  516,  517,  544,  545,
  518,  546,  547,  519,  548,  549,  520,  576,  550,  577,  578,  579,  521,
  551,  580,  581,  552,  522,  582,  608,  609,  610,  553,  611,  583,  523,
  612,  613,  584,  554,  614,  524,  640,  641,  642,  585,  643,  555,  615,
  644,  586,  525,  616,  645,  556,  646,  672,  617,  673,  587,  674,  647,
  675,  526,  676,  557,  618,  648,  677,  588,  678,  527,  649,  619,  704,
  558,  705,  706,  679,  589,  707,  650,  708,  620,  680,  709,  528,  559,
  590,  710,  651,  681,  736,  621,  737,  711,  738,  739,  682,  652,  529,
  560,  740,  712,  591,  741,  622,  683,  713,  742,  653,  768,  769,  561,
  743,  530,  592,  770,  714,  684,  771,  623,  772,  744,  654,  773,  715,
  685,  745,  774,  562,  593,  531,  624,  655,  775,  800,  801,  716,  746,
  802,  803,  686,  776,  804,  594,  563,  625,  747,  805,  717,  532,  656,
  777,  806,  687,  748,  807,  778,  832,  833,  718,  834,  595,  626,  835,
  564,  657,  808,  836,  533,  688,  779,  749,  837,  809,  719,  838,  780,
  627,  596,  658,  750,  810,  839,  864,  565,  689,  865,  866,  867,  534,
  720,  840,  781,  868,  811,  751,  869,  841,  628,  659,  597,  690,  870,
  812,  782,  566,  721,  842,  871,  896,  535,  752,  897,  898,  872,  899,
  813,  843,  660,  900,  783,  629,  691,  598,  722,  901,  873,  567,  753,
  844,  902,  814,  874,  536,  784,  903,  661,  692,  928,  929,  630,  723,
  845,  930,  904,  815,  875,  931,  599,  754,  932,  568,  785,  905,  933,
  846,  876,  934,  537,  816,  693,  662,  724,  906,  631,  755,  935,  877,
  600,  786,  960,  847,  961,  962,  907,  936,  963,  569,  817,  964,  937,
  694,  725,  878,  965,  908,  663,  756,  538,  848,  966,  632,  787,  938,
  601,  818,  967,  909,  879,  992,  939,  993,  968,  570,  849,  994,  726,
  695,  757,  995,  664,  788,  996,  910,  969,  539,  880,  940,  633,  819,
  997,  998,  602,  850,  970,  911,  941,  999,  727,  758,  696,  789,  571,
  881,  971,  665,  820,  1000, 634,  851,  942,  540,  912,  1001, 972,  603,
  882,  759,  728,  790,  1002, 697,  821,  943,  973,  572,  913,  666,  852,
  1003, 635,  883,  974,  541,  944,  760,  791,  1004, 604,  914,  729,  822,
  698,  853,  975,  667,  884,  573,  945,  1005, 636,  915,  792,  761,  823,
  542,  976,  1006, 730,  854,  605,  946,  699,  885,  668,  916,  1007, 574,
  977,  793,  824,  637,  947,  762,  855,  731,  886,  543,  1008, 606,  978,
  700,  917,  669,  948,  575,  825,  1009, 794,  856,  763,  887,  638,  979,
  732,  918,  701,  949,  607,  1010, 670,  980,  826,  857,  795,  888,  764,
  919,  639,  1011, 733,  950,  702,  981,  858,  827,  889,  796,  920,  671,
  1012, 765,  951,  734,  982,  703,  1013, 859,  890,  828,  921,  797,  952,
  766,  983,  735,  1014, 891,  860,  922,  829,  953,  798,  984,  767,  1015,
  892,  923,  861,  954,  830,  985,  799,  1016, 924,  893,  955,  862,  986,
  831,  1017, 925,  956,  894,  987,  863,  1018, 957,  926,  988,  895,  1019,
  958,  989,  927,  1020, 990,  959,  1021, 991,  1022, 1023,
921 922 923 924
};

// Scan where the top left quarter is scanned first
DECLARE_ALIGNED(16, static const int16_t, qtr_scan_32x32[1024]) = {
clang-format's avatar
clang-format committed
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
  0,    1,    32,   33,   2,    64,   34,   65,   66,   3,    96,   35,   97,
  67,   98,   4,    128,  36,   129,  99,   68,   130,  5,    100,  131,  160,
  37,   161,  69,   162,  132,  101,  163,  6,    192,  38,   193,  70,   194,
  133,  164,  102,  195,  7,    224,  39,   165,  225,  134,  196,  71,   226,
  103,  227,  166,  197,  8,    256,  40,   135,  228,  257,  72,   258,  198,
  104,  259,  167,  229,  136,  260,  9,    288,  41,   289,  73,   199,  230,
  290,  168,  261,  105,  291,  137,  292,  231,  10,   200,  262,  320,  42,
  321,  74,   322,  169,  293,  106,  323,  232,  263,  138,  324,  201,  294,
  11,   352,  43,   353,  75,   170,  325,  354,  264,  107,  233,  295,  355,
  202,  326,  139,  356,  12,   384,  44,   265,  296,  385,  171,  357,  76,
  386,  234,  327,  108,  387,  203,  358,  140,  388,  297,  266,  328,  13,
  172,  389,  416,  45,   235,  359,  417,  77,   418,  109,  419,  204,  390,
  298,  329,  141,  267,  360,  420,  236,  391,  173,  421,  14,   448,  46,
  449,  78,   330,  450,  299,  361,  110,  205,  422,  451,  268,  392,  142,
  452,  237,  423,  174,  331,  362,  453,  15,   300,  393,  480,  47,   481,
  79,   482,  206,  454,  269,  424,  111,  483,  143,  484,  363,  332,  394,
  238,  455,  175,  301,  425,  485,  270,  456,  207,  486,  364,  395,  333,
  426,  239,  487,  302,  457,  396,  271,  488,  365,  427,  334,  458,  303,
  489,  397,  428,  366,  459,  335,  490,  429,  398,  460,  367,  491,  430,
  461,  399,  492,  462,  431,  493,  463,  494,  495,  16,   512,  48,   513,
  80,   514,  112,  515,  144,  516,  176,  517,  17,   544,  49,   545,  208,
  518,  81,   546,  113,  547,  145,  240,  519,  548,  177,  549,  272,  520,
  18,   576,  50,   209,  550,  577,  82,   578,  114,  579,  304,  521,  241,
  551,  146,  580,  178,  581,  273,  552,  336,  522,  210,  582,  19,   608,
  51,   609,  83,   610,  115,  305,  553,  611,  242,  583,  147,  368,  523,
  612,  179,  613,  274,  584,  337,  554,  211,  614,  20,   400,  524,  640,
  52,   641,  84,   642,  306,  585,  116,  643,  243,  369,  555,  615,  148,
  644,  338,  586,  180,  275,  432,  525,  616,  645,  401,  556,  212,  646,
  21,   672,  53,   307,  617,  673,  85,   370,  587,  674,  244,  647,  117,
  675,  464,  526,  149,  676,  433,  557,  339,  618,  276,  648,  181,  677,
  402,  588,  213,  678,  308,  496,  527,  649,  371,  619,  22,   704,  54,
  465,  558,  705,  86,   706,  245,  679,  118,  434,  589,  707,  150,  340,
  650,  708,  277,  403,  620,  680,  182,  709,  528,  497,  559,  214,  466,
  590,  710,  372,  651,  309,  681,  23,   736,  55,   435,  621,  737,  87,
  246,  711,  738,  119,  739,  341,  682,  404,  652,  151,  529,  560,  740,
  278,  712,  498,  591,  183,  741,  467,  622,  373,  683,  215,  310,  713,
  742,  436,  653,  24,   768,  56,   769,  247,  561,  743,  88,   530,  592,
  770,  342,  714,  120,  405,  684,  771,  499,  623,  152,  772,  279,  744,
  468,  654,  184,  773,  374,  715,  311,  437,  685,  745,  216,  774,  562,
  593,  531,  624,  25,   248,  500,  655,  775,  800,  57,   801,  406,  716,
  89,   343,  746,  802,  121,  803,  469,  686,  280,  776,  153,  804,  594,
  185,  375,  563,  625,  747,  805,  438,  717,  532,  656,  312,  777,  217,
  806,  501,  687,  407,  748,  249,  807,  26,   344,  778,  832,  58,   833,
  90,   470,  718,  834,  122,  595,  626,  835,  281,  564,  657,  808,  154,
  836,  376,  533,  688,  779,  439,  749,  186,  837,  313,  809,  502,  719,
  218,  838,  408,  780,  627,  596,  658,  250,  345,  471,  750,  810,  839,
  27,   864,  59,   565,  689,  865,  91,   866,  123,  867,  282,  534,  720,
  840,  155,  440,  781,  868,  377,  811,  187,  503,  751,  869,  314,  841,
  628,  659,  219,  597,  690,  870,  409,  812,  472,  782,  566,  721,  346,
  842,  251,  871,  28,   896,  60,   535,  752,  897,  92,   898,  124,  283,
  872,  899,  441,  813,  378,  843,  156,  660,  900,  504,  783,  629,  691,
  598,  722,  188,  901,  315,  873,  567,  753,  220,  410,  844,  902,  473,
  814,  347,  874,  536,  784,  252,  903,  29,   661,  692,  928,  61,   929,
  93,   442,  630,  723,  845,  930,  284,  904,  125,  379,  505,  815,  875,
  931,  599,  754,  157,  932,  316,  568,  785,  905,  189,  933,  474,  846,
  411,  876,  221,  934,  537,  816,  693,  348,  662,  724,  906,  253,  631,
  755,  935,  443,  877,  30,   600,  786,  960,  62,   506,  847,  961,  94,
  962,  285,  380,  907,  936,  126,  963,  569,  817,  158,  964,  317,  937,
  190,  475,  694,  725,  878,  965,  412,  908,  663,  756,  538,  848,  222,
  966,  632,  787,  349,  938,  254,  601,  818,  967,  444,  909,  507,  879,
  31,   992,  63,   381,  939,  993,  286,  968,  95,   570,  849,  994,  726,
  127,  695,  757,  995,  664,  788,  159,  996,  476,  910,  318,  969,  413,
  539,  880,  940,  191,  633,  819,  997,  223,  998,  350,  602,  850,  970,
  508,  911,  255,  445,  941,  999,  727,  758,  696,  789,  571,  881,  382,
  971,  287,  665,  820,  1000, 477,  634,  851,  942,  540,  912,  319,  1001,
  414,  972,  603,  882,  759,  728,  790,  351,  1002, 509,  697,  821,  943,
  446,  973,  572,  913,  666,  852,  383,  1003, 635,  883,  478,  974,  541,
  944,  415,  760,  791,  1004, 604,  914,  729,  822,  698,  853,  510,  975,
  667,  884,  447,  573,  945,  1005, 636,  915,  792,  761,  823,  542,  976,
  479,  1006, 730,  854,  605,  946,  699,  885,  668,  916,  511,  1007, 574,
  977,  793,  824,  637,  947,  762,  855,  731,  886,  543,  1008, 606,  978,
  700,  917,  669,  948,  575,  825,  1009, 794,  856,  763,  887,  638,  979,
  732,  918,  701,  949,  607,  1010, 670,  980,  826,  857,  795,  888,  764,
  919,  639,  1011, 733,  950,  702,  981,  858,  827,  889,  796,  920,  671,
  1012, 765,  951,  734,  982,  703,  1013, 859,  890,  828,  921,  797,  952,
  766,  983,  735,  1014, 891,  860,  922,  829,  953,  798,  984,  767,  1015,
  892,  923,  861,  954,  830,  985,  799,  1016, 924,  893,  955,  862,  986,
  831,  1017, 925,  956,  894,  987,  863,  1018, 957,  926,  988,  895,  1019,
  958,  989,  927,  1020, 990,  959,  1021, 991,  1022, 1023,
1004 1005 1006
};
#endif  // CONFIG_EXT_TX

1007 1008
// Neighborhood 2-tuples for various scans and blocksizes,
// in {top, left} order for each position in corresponding scan order.