LCOV - code coverage report
Current view: top level - third_party/aom/av1/common - reconintra.c (source / functions) Hit Total Coverage
Test: output.info Lines: 0 504 0.0 %
Date: 2017-07-14 16:53:18 Functions: 0 21 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /*
       2             :  * Copyright (c) 2016, Alliance for Open Media. All rights reserved
       3             :  *
       4             :  * This source code is subject to the terms of the BSD 2 Clause License and
       5             :  * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
       6             :  * was not distributed with this source code in the LICENSE file, you can
       7             :  * obtain it at www.aomedia.org/license/software. If the Alliance for Open
       8             :  * Media Patent License 1.0 was not distributed with this source code in the
       9             :  * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
      10             :  */
      11             : 
      12             : #include <math.h>
      13             : 
      14             : #include "./av1_rtcd.h"
      15             : #include "./aom_config.h"
      16             : #include "./aom_dsp_rtcd.h"
      17             : #include "aom_ports/system_state.h"
      18             : 
      19             : #if CONFIG_HIGHBITDEPTH
      20             : #include "aom_dsp/aom_dsp_common.h"
      21             : #endif  // CONFIG_HIGHBITDEPTH
      22             : #include "aom_mem/aom_mem.h"
      23             : #include "aom_ports/mem.h"
      24             : #include "aom_ports/aom_once.h"
      25             : #include "av1/common/reconintra.h"
      26             : #include "av1/common/onyxc_int.h"
      27             : #if CONFIG_CFL
      28             : #include "av1/common/cfl.h"
      29             : #endif
      30             : 
      31             : enum {
      32             :   NEED_LEFT = 1 << 1,
      33             :   NEED_ABOVE = 1 << 2,
      34             :   NEED_ABOVERIGHT = 1 << 3,
      35             :   NEED_ABOVELEFT = 1 << 4,
      36             :   NEED_BOTTOMLEFT = 1 << 5,
      37             : };
      38             : 
      39             : static const uint8_t extend_modes[INTRA_MODES] = {
      40             :   NEED_ABOVE | NEED_LEFT,                   // DC
      41             :   NEED_ABOVE,                               // V
      42             :   NEED_LEFT,                                // H
      43             :   NEED_ABOVE | NEED_ABOVERIGHT,             // D45
      44             :   NEED_LEFT | NEED_ABOVE | NEED_ABOVELEFT,  // D135
      45             :   NEED_LEFT | NEED_ABOVE | NEED_ABOVELEFT,  // D117
      46             :   NEED_LEFT | NEED_ABOVE | NEED_ABOVELEFT,  // D153
      47             :   NEED_LEFT | NEED_BOTTOMLEFT,              // D207
      48             :   NEED_ABOVE | NEED_ABOVERIGHT,             // D63
      49             : #if CONFIG_ALT_INTRA
      50             :   NEED_LEFT | NEED_ABOVE,  // SMOOTH
      51             : #if CONFIG_SMOOTH_HV
      52             :   NEED_LEFT | NEED_ABOVE,                   // SMOOTH_V
      53             :   NEED_LEFT | NEED_ABOVE,                   // SMOOTH_H
      54             : #endif                                      // CONFIG_SMOOTH_HV
      55             : #endif                                      // CONFIG_ALT_INTRA
      56             :   NEED_LEFT | NEED_ABOVE | NEED_ABOVELEFT,  // TM
      57             : };
      58             : 
      59             : static const uint16_t orders_128x128[1] = { 0 };
      60             : static const uint16_t orders_128x64[2] = { 0, 1 };
      61             : static const uint16_t orders_64x128[2] = { 0, 1 };
      62             : static const uint16_t orders_64x64[4] = {
      63             :   0, 1, 2, 3,
      64             : };
      65             : static const uint16_t orders_64x32[8] = {
      66             :   0, 2, 1, 3, 4, 6, 5, 7,
      67             : };
      68             : static const uint16_t orders_32x64[8] = {
      69             :   0, 1, 2, 3, 4, 5, 6, 7,
      70             : };
      71             : static const uint16_t orders_32x32[16] = {
      72             :   0, 1, 4, 5, 2, 3, 6, 7, 8, 9, 12, 13, 10, 11, 14, 15,
      73             : };
      74             : static const uint16_t orders_32x16[32] = {
      75             :   0,  2,  8,  10, 1,  3,  9,  11, 4,  6,  12, 14, 5,  7,  13, 15,
      76             :   16, 18, 24, 26, 17, 19, 25, 27, 20, 22, 28, 30, 21, 23, 29, 31,
      77             : };
      78             : static const uint16_t orders_16x32[32] = {
      79             :   0,  1,  2,  3,  8,  9,  10, 11, 4,  5,  6,  7,  12, 13, 14, 15,
      80             :   16, 17, 18, 19, 24, 25, 26, 27, 20, 21, 22, 23, 28, 29, 30, 31,
      81             : };
      82             : static const uint16_t orders_16x16[64] = {
      83             :   0,  1,  4,  5,  16, 17, 20, 21, 2,  3,  6,  7,  18, 19, 22, 23,
      84             :   8,  9,  12, 13, 24, 25, 28, 29, 10, 11, 14, 15, 26, 27, 30, 31,
      85             :   32, 33, 36, 37, 48, 49, 52, 53, 34, 35, 38, 39, 50, 51, 54, 55,
      86             :   40, 41, 44, 45, 56, 57, 60, 61, 42, 43, 46, 47, 58, 59, 62, 63,
      87             : };
      88             : 
      89             : #if CONFIG_CB4X4 || CONFIG_EXT_PARTITION
      90             : static const uint16_t orders_16x8[128] = {
      91             :   0,  2,  8,  10, 32,  34,  40,  42,  1,  3,  9,  11, 33,  35,  41,  43,
      92             :   4,  6,  12, 14, 36,  38,  44,  46,  5,  7,  13, 15, 37,  39,  45,  47,
      93             :   16, 18, 24, 26, 48,  50,  56,  58,  17, 19, 25, 27, 49,  51,  57,  59,
      94             :   20, 22, 28, 30, 52,  54,  60,  62,  21, 23, 29, 31, 53,  55,  61,  63,
      95             :   64, 66, 72, 74, 96,  98,  104, 106, 65, 67, 73, 75, 97,  99,  105, 107,
      96             :   68, 70, 76, 78, 100, 102, 108, 110, 69, 71, 77, 79, 101, 103, 109, 111,
      97             :   80, 82, 88, 90, 112, 114, 120, 122, 81, 83, 89, 91, 113, 115, 121, 123,
      98             :   84, 86, 92, 94, 116, 118, 124, 126, 85, 87, 93, 95, 117, 119, 125, 127,
      99             : };
     100             : static const uint16_t orders_8x16[128] = {
     101             :   0,  1,  2,  3,  8,  9,  10, 11, 32,  33,  34,  35,  40,  41,  42,  43,
     102             :   4,  5,  6,  7,  12, 13, 14, 15, 36,  37,  38,  39,  44,  45,  46,  47,
     103             :   16, 17, 18, 19, 24, 25, 26, 27, 48,  49,  50,  51,  56,  57,  58,  59,
     104             :   20, 21, 22, 23, 28, 29, 30, 31, 52,  53,  54,  55,  60,  61,  62,  63,
     105             :   64, 65, 66, 67, 72, 73, 74, 75, 96,  97,  98,  99,  104, 105, 106, 107,
     106             :   68, 69, 70, 71, 76, 77, 78, 79, 100, 101, 102, 103, 108, 109, 110, 111,
     107             :   80, 81, 82, 83, 88, 89, 90, 91, 112, 113, 114, 115, 120, 121, 122, 123,
     108             :   84, 85, 86, 87, 92, 93, 94, 95, 116, 117, 118, 119, 124, 125, 126, 127,
     109             : };
     110             : static const uint16_t orders_8x8[256] = {
     111             :   0,   1,   4,   5,   16,  17,  20,  21,  64,  65,  68,  69,  80,  81,  84,
     112             :   85,  2,   3,   6,   7,   18,  19,  22,  23,  66,  67,  70,  71,  82,  83,
     113             :   86,  87,  8,   9,   12,  13,  24,  25,  28,  29,  72,  73,  76,  77,  88,
     114             :   89,  92,  93,  10,  11,  14,  15,  26,  27,  30,  31,  74,  75,  78,  79,
     115             :   90,  91,  94,  95,  32,  33,  36,  37,  48,  49,  52,  53,  96,  97,  100,
     116             :   101, 112, 113, 116, 117, 34,  35,  38,  39,  50,  51,  54,  55,  98,  99,
     117             :   102, 103, 114, 115, 118, 119, 40,  41,  44,  45,  56,  57,  60,  61,  104,
     118             :   105, 108, 109, 120, 121, 124, 125, 42,  43,  46,  47,  58,  59,  62,  63,
     119             :   106, 107, 110, 111, 122, 123, 126, 127, 128, 129, 132, 133, 144, 145, 148,
     120             :   149, 192, 193, 196, 197, 208, 209, 212, 213, 130, 131, 134, 135, 146, 147,
     121             :   150, 151, 194, 195, 198, 199, 210, 211, 214, 215, 136, 137, 140, 141, 152,
     122             :   153, 156, 157, 200, 201, 204, 205, 216, 217, 220, 221, 138, 139, 142, 143,
     123             :   154, 155, 158, 159, 202, 203, 206, 207, 218, 219, 222, 223, 160, 161, 164,
     124             :   165, 176, 177, 180, 181, 224, 225, 228, 229, 240, 241, 244, 245, 162, 163,
     125             :   166, 167, 178, 179, 182, 183, 226, 227, 230, 231, 242, 243, 246, 247, 168,
     126             :   169, 172, 173, 184, 185, 188, 189, 232, 233, 236, 237, 248, 249, 252, 253,
     127             :   170, 171, 174, 175, 186, 187, 190, 191, 234, 235, 238, 239, 250, 251, 254,
     128             :   255,
     129             : };
     130             : 
     131             : #if CONFIG_CB4X4 && CONFIG_EXT_PARTITION
     132             : static const uint16_t orders_4x8[512] = {
     133             :   0,   1,   2,   3,   8,   9,   10,  11,  32,  33,  34,  35,  40,  41,  42,
     134             :   43,  128, 129, 130, 131, 136, 137, 138, 139, 160, 161, 162, 163, 168, 169,
     135             :   170, 171, 4,   5,   6,   7,   12,  13,  14,  15,  36,  37,  38,  39,  44,
     136             :   45,  46,  47,  132, 133, 134, 135, 140, 141, 142, 143, 164, 165, 166, 167,
     137             :   172, 173, 174, 175, 16,  17,  18,  19,  24,  25,  26,  27,  48,  49,  50,
     138             :   51,  56,  57,  58,  59,  144, 145, 146, 147, 152, 153, 154, 155, 176, 177,
     139             :   178, 179, 184, 185, 186, 187, 20,  21,  22,  23,  28,  29,  30,  31,  52,
     140             :   53,  54,  55,  60,  61,  62,  63,  148, 149, 150, 151, 156, 157, 158, 159,
     141             :   180, 181, 182, 183, 188, 189, 190, 191, 64,  65,  66,  67,  72,  73,  74,
     142             :   75,  96,  97,  98,  99,  104, 105, 106, 107, 192, 193, 194, 195, 200, 201,
     143             :   202, 203, 224, 225, 226, 227, 232, 233, 234, 235, 68,  69,  70,  71,  76,
     144             :   77,  78,  79,  100, 101, 102, 103, 108, 109, 110, 111, 196, 197, 198, 199,
     145             :   204, 205, 206, 207, 228, 229, 230, 231, 236, 237, 238, 239, 80,  81,  82,
     146             :   83,  88,  89,  90,  91,  112, 113, 114, 115, 120, 121, 122, 123, 208, 209,
     147             :   210, 211, 216, 217, 218, 219, 240, 241, 242, 243, 248, 249, 250, 251, 84,
     148             :   85,  86,  87,  92,  93,  94,  95,  116, 117, 118, 119, 124, 125, 126, 127,
     149             :   212, 213, 214, 215, 220, 221, 222, 223, 244, 245, 246, 247, 252, 253, 254,
     150             :   255, 256, 257, 258, 259, 264, 265, 266, 267, 288, 289, 290, 291, 296, 297,
     151             :   298, 299, 384, 385, 386, 387, 392, 393, 394, 395, 416, 417, 418, 419, 424,
     152             :   425, 426, 427, 260, 261, 262, 263, 268, 269, 270, 271, 292, 293, 294, 295,
     153             :   300, 301, 302, 303, 388, 389, 390, 391, 396, 397, 398, 399, 420, 421, 422,
     154             :   423, 428, 429, 430, 431, 272, 273, 274, 275, 280, 281, 282, 283, 304, 305,
     155             :   306, 307, 312, 313, 314, 315, 400, 401, 402, 403, 408, 409, 410, 411, 432,
     156             :   433, 434, 435, 440, 441, 442, 443, 276, 277, 278, 279, 284, 285, 286, 287,
     157             :   308, 309, 310, 311, 316, 317, 318, 319, 404, 405, 406, 407, 412, 413, 414,
     158             :   415, 436, 437, 438, 439, 444, 445, 446, 447, 320, 321, 322, 323, 328, 329,
     159             :   330, 331, 352, 353, 354, 355, 360, 361, 362, 363, 448, 449, 450, 451, 456,
     160             :   457, 458, 459, 480, 481, 482, 483, 488, 489, 490, 491, 324, 325, 326, 327,
     161             :   332, 333, 334, 335, 356, 357, 358, 359, 364, 365, 366, 367, 452, 453, 454,
     162             :   455, 460, 461, 462, 463, 484, 485, 486, 487, 492, 493, 494, 495, 336, 337,
     163             :   338, 339, 344, 345, 346, 347, 368, 369, 370, 371, 376, 377, 378, 379, 464,
     164             :   465, 466, 467, 472, 473, 474, 475, 496, 497, 498, 499, 504, 505, 506, 507,
     165             :   340, 341, 342, 343, 348, 349, 350, 351, 372, 373, 374, 375, 380, 381, 382,
     166             :   383, 468, 469, 470, 471, 476, 477, 478, 479, 500, 501, 502, 503, 508, 509,
     167             :   510, 511,
     168             : };
     169             : 
     170             : static const uint16_t orders_8x4[512] = {
     171             :   0,   2,   8,   10,  32,  34,  40,  42,  128, 130, 136, 138, 160, 162, 168,
     172             :   170, 1,   3,   9,   11,  33,  35,  41,  43,  129, 131, 137, 139, 161, 163,
     173             :   169, 171, 4,   6,   12,  14,  36,  38,  44,  46,  132, 134, 140, 142, 164,
     174             :   166, 172, 174, 5,   7,   13,  15,  37,  39,  45,  47,  133, 135, 141, 143,
     175             :   165, 167, 173, 175, 16,  18,  24,  26,  48,  50,  56,  58,  144, 146, 152,
     176             :   154, 176, 178, 184, 186, 17,  19,  25,  27,  49,  51,  57,  59,  145, 147,
     177             :   153, 155, 177, 179, 185, 187, 20,  22,  28,  30,  52,  54,  60,  62,  148,
     178             :   150, 156, 158, 180, 182, 188, 190, 21,  23,  29,  31,  53,  55,  61,  63,
     179             :   149, 151, 157, 159, 181, 183, 189, 191, 64,  66,  72,  74,  96,  98,  104,
     180             :   106, 192, 194, 200, 202, 224, 226, 232, 234, 65,  67,  73,  75,  97,  99,
     181             :   105, 107, 193, 195, 201, 203, 225, 227, 233, 235, 68,  70,  76,  78,  100,
     182             :   102, 108, 110, 196, 198, 204, 206, 228, 230, 236, 238, 69,  71,  77,  79,
     183             :   101, 103, 109, 111, 197, 199, 205, 207, 229, 231, 237, 239, 80,  82,  88,
     184             :   90,  112, 114, 120, 122, 208, 210, 216, 218, 240, 242, 248, 250, 81,  83,
     185             :   89,  91,  113, 115, 121, 123, 209, 211, 217, 219, 241, 243, 249, 251, 84,
     186             :   86,  92,  94,  116, 118, 124, 126, 212, 214, 220, 222, 244, 246, 252, 254,
     187             :   85,  87,  93,  95,  117, 119, 125, 127, 213, 215, 221, 223, 245, 247, 253,
     188             :   255, 256, 258, 264, 266, 288, 290, 296, 298, 384, 386, 392, 394, 416, 418,
     189             :   424, 426, 257, 259, 265, 267, 289, 291, 297, 299, 385, 387, 393, 395, 417,
     190             :   419, 425, 427, 260, 262, 268, 270, 292, 294, 300, 302, 388, 390, 396, 398,
     191             :   420, 422, 428, 430, 261, 263, 269, 271, 293, 295, 301, 303, 389, 391, 397,
     192             :   399, 421, 423, 429, 431, 272, 274, 280, 282, 304, 306, 312, 314, 400, 402,
     193             :   408, 410, 432, 434, 440, 442, 273, 275, 281, 283, 305, 307, 313, 315, 401,
     194             :   403, 409, 411, 433, 435, 441, 443, 276, 278, 284, 286, 308, 310, 316, 318,
     195             :   404, 406, 412, 414, 436, 438, 444, 446, 277, 279, 285, 287, 309, 311, 317,
     196             :   319, 405, 407, 413, 415, 437, 439, 445, 447, 320, 322, 328, 330, 352, 354,
     197             :   360, 362, 448, 450, 456, 458, 480, 482, 488, 490, 321, 323, 329, 331, 353,
     198             :   355, 361, 363, 449, 451, 457, 459, 481, 483, 489, 491, 324, 326, 332, 334,
     199             :   356, 358, 364, 366, 452, 454, 460, 462, 484, 486, 492, 494, 325, 327, 333,
     200             :   335, 357, 359, 365, 367, 453, 455, 461, 463, 485, 487, 493, 495, 336, 338,
     201             :   344, 346, 368, 370, 376, 378, 464, 466, 472, 474, 496, 498, 504, 506, 337,
     202             :   339, 345, 347, 369, 371, 377, 379, 465, 467, 473, 475, 497, 499, 505, 507,
     203             :   340, 342, 348, 350, 372, 374, 380, 382, 468, 470, 476, 478, 500, 502, 508,
     204             :   510, 341, 343, 349, 351, 373, 375, 381, 383, 469, 471, 477, 479, 501, 503,
     205             :   509, 511,
     206             : };
     207             : 
     208             : static const uint16_t orders_4x4[1024] = {
     209             :   0,    1,    4,    5,    16,   17,   20,   21,   64,   65,   68,   69,   80,
     210             :   81,   84,   85,   256,  257,  260,  261,  272,  273,  276,  277,  320,  321,
     211             :   324,  325,  336,  337,  340,  341,  2,    3,    6,    7,    18,   19,   22,
     212             :   23,   66,   67,   70,   71,   82,   83,   86,   87,   258,  259,  262,  263,
     213             :   274,  275,  278,  279,  322,  323,  326,  327,  338,  339,  342,  343,  8,
     214             :   9,    12,   13,   24,   25,   28,   29,   72,   73,   76,   77,   88,   89,
     215             :   92,   93,   264,  265,  268,  269,  280,  281,  284,  285,  328,  329,  332,
     216             :   333,  344,  345,  348,  349,  10,   11,   14,   15,   26,   27,   30,   31,
     217             :   74,   75,   78,   79,   90,   91,   94,   95,   266,  267,  270,  271,  282,
     218             :   283,  286,  287,  330,  331,  334,  335,  346,  347,  350,  351,  32,   33,
     219             :   36,   37,   48,   49,   52,   53,   96,   97,   100,  101,  112,  113,  116,
     220             :   117,  288,  289,  292,  293,  304,  305,  308,  309,  352,  353,  356,  357,
     221             :   368,  369,  372,  373,  34,   35,   38,   39,   50,   51,   54,   55,   98,
     222             :   99,   102,  103,  114,  115,  118,  119,  290,  291,  294,  295,  306,  307,
     223             :   310,  311,  354,  355,  358,  359,  370,  371,  374,  375,  40,   41,   44,
     224             :   45,   56,   57,   60,   61,   104,  105,  108,  109,  120,  121,  124,  125,
     225             :   296,  297,  300,  301,  312,  313,  316,  317,  360,  361,  364,  365,  376,
     226             :   377,  380,  381,  42,   43,   46,   47,   58,   59,   62,   63,   106,  107,
     227             :   110,  111,  122,  123,  126,  127,  298,  299,  302,  303,  314,  315,  318,
     228             :   319,  362,  363,  366,  367,  378,  379,  382,  383,  128,  129,  132,  133,
     229             :   144,  145,  148,  149,  192,  193,  196,  197,  208,  209,  212,  213,  384,
     230             :   385,  388,  389,  400,  401,  404,  405,  448,  449,  452,  453,  464,  465,
     231             :   468,  469,  130,  131,  134,  135,  146,  147,  150,  151,  194,  195,  198,
     232             :   199,  210,  211,  214,  215,  386,  387,  390,  391,  402,  403,  406,  407,
     233             :   450,  451,  454,  455,  466,  467,  470,  471,  136,  137,  140,  141,  152,
     234             :   153,  156,  157,  200,  201,  204,  205,  216,  217,  220,  221,  392,  393,
     235             :   396,  397,  408,  409,  412,  413,  456,  457,  460,  461,  472,  473,  476,
     236             :   477,  138,  139,  142,  143,  154,  155,  158,  159,  202,  203,  206,  207,
     237             :   218,  219,  222,  223,  394,  395,  398,  399,  410,  411,  414,  415,  458,
     238             :   459,  462,  463,  474,  475,  478,  479,  160,  161,  164,  165,  176,  177,
     239             :   180,  181,  224,  225,  228,  229,  240,  241,  244,  245,  416,  417,  420,
     240             :   421,  432,  433,  436,  437,  480,  481,  484,  485,  496,  497,  500,  501,
     241             :   162,  163,  166,  167,  178,  179,  182,  183,  226,  227,  230,  231,  242,
     242             :   243,  246,  247,  418,  419,  422,  423,  434,  435,  438,  439,  482,  483,
     243             :   486,  487,  498,  499,  502,  503,  168,  169,  172,  173,  184,  185,  188,
     244             :   189,  232,  233,  236,  237,  248,  249,  252,  253,  424,  425,  428,  429,
     245             :   440,  441,  444,  445,  488,  489,  492,  493,  504,  505,  508,  509,  170,
     246             :   171,  174,  175,  186,  187,  190,  191,  234,  235,  238,  239,  250,  251,
     247             :   254,  255,  426,  427,  430,  431,  442,  443,  446,  447,  490,  491,  494,
     248             :   495,  506,  507,  510,  511,  512,  513,  516,  517,  528,  529,  532,  533,
     249             :   576,  577,  580,  581,  592,  593,  596,  597,  768,  769,  772,  773,  784,
     250             :   785,  788,  789,  832,  833,  836,  837,  848,  849,  852,  853,  514,  515,
     251             :   518,  519,  530,  531,  534,  535,  578,  579,  582,  583,  594,  595,  598,
     252             :   599,  770,  771,  774,  775,  786,  787,  790,  791,  834,  835,  838,  839,
     253             :   850,  851,  854,  855,  520,  521,  524,  525,  536,  537,  540,  541,  584,
     254             :   585,  588,  589,  600,  601,  604,  605,  776,  777,  780,  781,  792,  793,
     255             :   796,  797,  840,  841,  844,  845,  856,  857,  860,  861,  522,  523,  526,
     256             :   527,  538,  539,  542,  543,  586,  587,  590,  591,  602,  603,  606,  607,
     257             :   778,  779,  782,  783,  794,  795,  798,  799,  842,  843,  846,  847,  858,
     258             :   859,  862,  863,  544,  545,  548,  549,  560,  561,  564,  565,  608,  609,
     259             :   612,  613,  624,  625,  628,  629,  800,  801,  804,  805,  816,  817,  820,
     260             :   821,  864,  865,  868,  869,  880,  881,  884,  885,  546,  547,  550,  551,
     261             :   562,  563,  566,  567,  610,  611,  614,  615,  626,  627,  630,  631,  802,
     262             :   803,  806,  807,  818,  819,  822,  823,  866,  867,  870,  871,  882,  883,
     263             :   886,  887,  552,  553,  556,  557,  568,  569,  572,  573,  616,  617,  620,
     264             :   621,  632,  633,  636,  637,  808,  809,  812,  813,  824,  825,  828,  829,
     265             :   872,  873,  876,  877,  888,  889,  892,  893,  554,  555,  558,  559,  570,
     266             :   571,  574,  575,  618,  619,  622,  623,  634,  635,  638,  639,  810,  811,
     267             :   814,  815,  826,  827,  830,  831,  874,  875,  878,  879,  890,  891,  894,
     268             :   895,  640,  641,  644,  645,  656,  657,  660,  661,  704,  705,  708,  709,
     269             :   720,  721,  724,  725,  896,  897,  900,  901,  912,  913,  916,  917,  960,
     270             :   961,  964,  965,  976,  977,  980,  981,  642,  643,  646,  647,  658,  659,
     271             :   662,  663,  706,  707,  710,  711,  722,  723,  726,  727,  898,  899,  902,
     272             :   903,  914,  915,  918,  919,  962,  963,  966,  967,  978,  979,  982,  983,
     273             :   648,  649,  652,  653,  664,  665,  668,  669,  712,  713,  716,  717,  728,
     274             :   729,  732,  733,  904,  905,  908,  909,  920,  921,  924,  925,  968,  969,
     275             :   972,  973,  984,  985,  988,  989,  650,  651,  654,  655,  666,  667,  670,
     276             :   671,  714,  715,  718,  719,  730,  731,  734,  735,  906,  907,  910,  911,
     277             :   922,  923,  926,  927,  970,  971,  974,  975,  986,  987,  990,  991,  672,
     278             :   673,  676,  677,  688,  689,  692,  693,  736,  737,  740,  741,  752,  753,
     279             :   756,  757,  928,  929,  932,  933,  944,  945,  948,  949,  992,  993,  996,
     280             :   997,  1008, 1009, 1012, 1013, 674,  675,  678,  679,  690,  691,  694,  695,
     281             :   738,  739,  742,  743,  754,  755,  758,  759,  930,  931,  934,  935,  946,
     282             :   947,  950,  951,  994,  995,  998,  999,  1010, 1011, 1014, 1015, 680,  681,
     283             :   684,  685,  696,  697,  700,  701,  744,  745,  748,  749,  760,  761,  764,
     284             :   765,  936,  937,  940,  941,  952,  953,  956,  957,  1000, 1001, 1004, 1005,
     285             :   1016, 1017, 1020, 1021, 682,  683,  686,  687,  698,  699,  702,  703,  746,
     286             :   747,  750,  751,  762,  763,  766,  767,  938,  939,  942,  943,  954,  955,
     287             :   958,  959,  1002, 1003, 1006, 1007, 1018, 1019, 1022, 1023,
     288             : };
     289             : #endif
     290             : #endif  // CONFIG_CB4X4 || CONFIG_EXT_PARTITION
     291             : 
     292             : #if CONFIG_EXT_PARTITION
     293             : /* clang-format off */
     294             : static const uint16_t *const orders[BLOCK_SIZES] = {
     295             : #if CONFIG_CB4X4
     296             :   // 2X2,         2X4,            4X2
     297             :   orders_4x4,     orders_4x4,     orders_4x4,
     298             :   //                              4X4
     299             :                                   orders_4x4,
     300             :   // 4X8,         8X4,            8X8
     301             :   orders_4x8,     orders_8x4,     orders_8x8,
     302             : #else
     303             :   //                              4X4
     304             :                                   orders_8x8,
     305             :   // 4X8,         8X4,            8X8
     306             :   orders_8x8,     orders_8x8,     orders_8x8,
     307             : #endif
     308             :   // 8X16,        16X8,           16X16
     309             :   orders_8x16,    orders_16x8,    orders_16x16,
     310             :   // 16X32,       32X16,          32X32
     311             :   orders_16x32,   orders_32x16,   orders_32x32,
     312             :   // 32X64,       64X32,          64X64
     313             :   orders_32x64,   orders_64x32,   orders_64x64,
     314             :   // 64x128,      128x64,         128x128
     315             :   orders_64x128,  orders_128x64,  orders_128x128
     316             : };
     317             : /* clang-format on */
     318             : #else
     319             : /* clang-format off */
     320             : static const uint16_t *const orders[BLOCK_SIZES] = {
     321             : #if CONFIG_CB4X4
     322             :   // 2X2,         2X4,            4X2
     323             :   orders_8x8,     orders_8x8,     orders_8x8,
     324             :   //                              4X4
     325             :                                   orders_8x8,
     326             :   // 4X8,         8X4,            8X8
     327             :   orders_8x16,    orders_16x8,    orders_16x16,
     328             : #else
     329             :   //                              4X4
     330             :                                   orders_16x16,
     331             :   // 4X8,         8X4,            8X8
     332             :   orders_16x16,   orders_16x16,   orders_16x16,
     333             : #endif
     334             :   // 8X16,        16X8,           16X16
     335             :   orders_16x32,   orders_32x16,   orders_32x32,
     336             :   // 16X32,       32X16,          32X32
     337             :   orders_32x64,   orders_64x32,   orders_64x64,
     338             :   // 32X64,       64X32,          64X64
     339             :   orders_64x128,  orders_128x64,  orders_128x128
     340             : };
     341             : /* clang-format on */
     342             : #endif  // CONFIG_EXT_PARTITION
     343             : 
     344             : #if CONFIG_EXT_PARTITION_TYPES
     345             : static const uint16_t orders_verta_64x64[4] = {
     346             :   0, 2, 1, 2,
     347             : };
     348             : static const uint16_t orders_verta_32x32[16] = {
     349             :   0, 2, 4, 6, 1, 2, 5, 6, 8, 10, 12, 14, 9, 10, 13, 14,
     350             : };
     351             : static const uint16_t orders_verta_16x16[64] = {
     352             :   0,  2,  4,  6,  16, 18, 20, 22, 1,  2,  5,  6,  17, 18, 21, 22,
     353             :   8,  10, 12, 14, 24, 26, 28, 30, 9,  10, 13, 14, 25, 26, 29, 30,
     354             :   32, 34, 36, 38, 48, 50, 52, 54, 33, 34, 37, 38, 49, 50, 53, 54,
     355             :   40, 42, 44, 46, 56, 58, 60, 62, 41, 42, 45, 46, 57, 58, 61, 62,
     356             : };
     357             : #if CONFIG_EXT_PARTITION || CONFIG_CB4X4
     358             : static const uint16_t orders_verta_8x8[256] = {
     359             :   0,   2,   4,   6,   16,  18,  20,  22,  64,  66,  68,  70,  80,  82,  84,
     360             :   86,  1,   2,   5,   6,   17,  18,  21,  22,  65,  66,  69,  70,  81,  82,
     361             :   85,  86,  8,   10,  12,  14,  24,  26,  28,  30,  72,  74,  76,  78,  88,
     362             :   90,  92,  94,  9,   10,  13,  14,  25,  26,  29,  30,  73,  74,  77,  78,
     363             :   89,  90,  93,  94,  32,  34,  36,  38,  48,  50,  52,  54,  96,  98,  100,
     364             :   102, 112, 114, 116, 118, 33,  34,  37,  38,  49,  50,  53,  54,  97,  98,
     365             :   101, 102, 113, 114, 117, 118, 40,  42,  44,  46,  56,  58,  60,  62,  104,
     366             :   106, 108, 110, 120, 122, 124, 126, 41,  42,  45,  46,  57,  58,  61,  62,
     367             :   105, 106, 109, 110, 121, 122, 125, 126, 128, 130, 132, 134, 144, 146, 148,
     368             :   150, 192, 194, 196, 198, 208, 210, 212, 214, 129, 130, 133, 134, 145, 146,
     369             :   149, 150, 193, 194, 197, 198, 209, 210, 213, 214, 136, 138, 140, 142, 152,
     370             :   154, 156, 158, 200, 202, 204, 206, 216, 218, 220, 222, 137, 138, 141, 142,
     371             :   153, 154, 157, 158, 201, 202, 205, 206, 217, 218, 221, 222, 160, 162, 164,
     372             :   166, 176, 178, 180, 182, 224, 226, 228, 230, 240, 242, 244, 246, 161, 162,
     373             :   165, 166, 177, 178, 181, 182, 225, 226, 229, 230, 241, 242, 245, 246, 168,
     374             :   170, 172, 174, 184, 186, 188, 190, 232, 234, 236, 238, 248, 250, 252, 254,
     375             :   169, 170, 173, 174, 185, 186, 189, 190, 233, 234, 237, 238, 249, 250, 253,
     376             :   254,
     377             : };
     378             : #endif  // CONFIG_EXT_PARTITION || CONFIG_CB4X4
     379             : 
     380             : #if CONFIG_EXT_PARTITION
     381             : /* clang-format off */
     382             : static const uint16_t *const orders_verta[BLOCK_SIZES] = {
     383             : #if CONFIG_CB4X4
     384             :   // 2X2,           2X4,              4X2
     385             :   orders_4x4,       orders_4x4,       orders_4x4,
     386             : #endif
     387             :   //                                  4X4
     388             :                                       orders_verta_8x8,
     389             :   // 4X8,           8X4,              8X8
     390             :   orders_verta_8x8, orders_verta_8x8, orders_verta_8x8,
     391             :   // 8X16,          16X8,             16X16
     392             :   orders_8x16,      orders_16x8,      orders_verta_16x16,
     393             :   // 16X32,         32X16,            32X32
     394             :   orders_16x32,     orders_32x16,     orders_verta_32x32,
     395             :   // 32X64,         64X32,            64X64
     396             :   orders_32x64,     orders_64x32,     orders_verta_64x64,
     397             :   // 64x128,        128x64,           128x128
     398             :   orders_64x128,    orders_128x64,    orders_128x128
     399             : };
     400             : /* clang-format on */
     401             : #else
     402             : /* clang-format off */
     403             : static const uint16_t *const orders_verta[BLOCK_SIZES] = {
     404             : #if CONFIG_CB4X4
     405             :   // 2X2,             2X4,                4X2
     406             :   orders_verta_8x8,   orders_verta_8x8,   orders_verta_8x8,
     407             :   //                                      4X4
     408             :                                           orders_verta_8x8,
     409             :   // 4X8,             8X4,                8X8
     410             :   orders_verta_8x8,   orders_verta_8x8,   orders_verta_16x16,
     411             : #else
     412             :   //                                      4X4
     413             :                                           orders_verta_16x16,
     414             :   // 4X8,             8X4,                8X8
     415             :   orders_verta_16x16, orders_verta_16x16, orders_verta_16x16,
     416             : #endif
     417             :   // 8X16,            16X8,               16X16
     418             :   orders_16x32,       orders_32x16,       orders_verta_32x32,
     419             :   // 16X32,           32X16,              32X32
     420             :   orders_32x64,       orders_64x32,       orders_verta_64x64,
     421             :   // 32X64,           64X32,              64X64
     422             :   orders_64x128,      orders_128x64,      orders_128x128
     423             : };
     424             : /* clang-format on */
     425             : #endif  // CONFIG_EXT_PARTITION
     426             : #endif  // CONFIG_EXT_PARTITION_TYPES
     427             : 
     428           0 : static int has_top_right(BLOCK_SIZE bsize, int mi_row, int mi_col,
     429             :                          int top_available, int right_available,
     430             : #if CONFIG_EXT_PARTITION_TYPES
     431             :                          PARTITION_TYPE partition,
     432             : #endif
     433             :                          TX_SIZE txsz, int row_off, int col_off, int ss_x) {
     434           0 :   if (!top_available || !right_available) return 0;
     435             : 
     436             : #if !CONFIG_CB4X4
     437             :   // TODO(bshacklett, huisu): Currently the RD loop traverses 4X8 blocks in
     438             :   // inverted N order while in the bitstream the subblocks are stored in Z
     439             :   // order. This discrepancy makes this function incorrect when considering 4X8
     440             :   // blocks in the RD loop, so we disable the extended right edge for these
     441             :   // blocks. The correct solution is to change the bitstream to store these
     442             :   // blocks in inverted N order, and then update this function appropriately.
     443             :   if (bsize == BLOCK_4X8 && row_off == 1) return 0;
     444             : #endif
     445             : 
     446           0 :   const int bw_unit = block_size_wide[bsize] >> tx_size_wide_log2[0];
     447           0 :   const int plane_bw_unit = AOMMAX(bw_unit >> ss_x, 1);
     448           0 :   const int top_right_count_unit = tx_size_wide_unit[txsz];
     449             : 
     450             : #if !CONFIG_CB4X4
     451             :   // Special handling for block sizes 4x8 and 4x4.
     452             :   if (ss_x == 0 && bw_unit < 2 && col_off == 0) return 1;
     453             : #endif
     454             : 
     455           0 :   if (row_off > 0) {  // Just need to check if enough pixels on the right.
     456           0 :     return col_off + top_right_count_unit < plane_bw_unit;
     457             :   } else {
     458             :     // All top-right pixels are in the block above, which is already available.
     459           0 :     if (col_off + top_right_count_unit < plane_bw_unit) return 1;
     460             : 
     461           0 :     const int bw_in_mi_log2 = mi_width_log2_lookup[bsize];
     462           0 :     const int bh_in_mi_log2 = mi_height_log2_lookup[bsize];
     463           0 :     const int blk_row_in_sb = (mi_row & MAX_MIB_MASK) >> bh_in_mi_log2;
     464           0 :     const int blk_col_in_sb = (mi_col & MAX_MIB_MASK) >> bw_in_mi_log2;
     465             : 
     466             :     // Top row of superblock: so top-right pixels are in the top and/or
     467             :     // top-right superblocks, both of which are already available.
     468           0 :     if (blk_row_in_sb == 0) return 1;
     469             : 
     470             :     // Rightmost column of superblock (and not the top row): so top-right pixels
     471             :     // fall in the right superblock, which is not available yet.
     472           0 :     if (((blk_col_in_sb + 1) << bw_in_mi_log2) >= MAX_MIB_SIZE) return 0;
     473             : 
     474             :     // General case (neither top row nor rightmost column): check if the
     475             :     // top-right block is coded before the current block.
     476           0 :     const uint16_t *const order =
     477             : #if CONFIG_EXT_PARTITION_TYPES
     478             :         (partition == PARTITION_VERT_A) ? orders_verta[bsize] :
     479             : #endif  // CONFIG_EXT_PARTITION_TYPES
     480           0 :                                         orders[bsize];
     481           0 :     const int this_blk_index =
     482           0 :         ((blk_row_in_sb + 0) << (MAX_MIB_SIZE_LOG2 - bw_in_mi_log2)) +
     483             :         blk_col_in_sb + 0;
     484           0 :     const uint16_t this_blk_order = order[this_blk_index];
     485           0 :     const int tr_blk_index =
     486           0 :         ((blk_row_in_sb - 1) << (MAX_MIB_SIZE_LOG2 - bw_in_mi_log2)) +
     487             :         blk_col_in_sb + 1;
     488           0 :     const uint16_t tr_blk_order = order[tr_blk_index];
     489           0 :     return tr_blk_order < this_blk_order;
     490             :   }
     491             : }
     492             : 
     493           0 : static int has_bottom_left(BLOCK_SIZE bsize, int mi_row, int mi_col,
     494             :                            int bottom_available, int left_available,
     495             :                            TX_SIZE txsz, int row_off, int col_off, int ss_y) {
     496           0 :   if (!bottom_available || !left_available) return 0;
     497             : 
     498           0 :   if (col_off > 0) {
     499             :     // Bottom-left pixels are in the bottom-left block, which is not available.
     500           0 :     return 0;
     501             :   } else {
     502           0 :     const int bh_unit = block_size_high[bsize] >> tx_size_high_log2[0];
     503           0 :     const int plane_bh_unit = AOMMAX(bh_unit >> ss_y, 1);
     504           0 :     const int bottom_left_count_unit = tx_size_high_unit[txsz];
     505             : 
     506             : #if !CONFIG_CB4X4
     507             :     // Special handling for block sizes 8x4 and 4x4.
     508             :     if (ss_y == 0 && bh_unit < 2 && row_off == 0) return 1;
     509             : #endif
     510             : 
     511             :     // All bottom-left pixels are in the left block, which is already available.
     512           0 :     if (row_off + bottom_left_count_unit < plane_bh_unit) return 1;
     513             : 
     514           0 :     const int bw_in_mi_log2 = mi_width_log2_lookup[bsize];
     515           0 :     const int bh_in_mi_log2 = mi_height_log2_lookup[bsize];
     516           0 :     const int blk_row_in_sb = (mi_row & MAX_MIB_MASK) >> bh_in_mi_log2;
     517           0 :     const int blk_col_in_sb = (mi_col & MAX_MIB_MASK) >> bw_in_mi_log2;
     518             : 
     519             :     // Leftmost column of superblock: so bottom-left pixels maybe in the left
     520             :     // and/or bottom-left superblocks. But only the left superblock is
     521             :     // available, so check if all required pixels fall in that superblock.
     522           0 :     if (blk_col_in_sb == 0) {
     523           0 :       const int blk_start_row_off = blk_row_in_sb
     524           0 :                                         << (bh_in_mi_log2 + MI_SIZE_LOG2 -
     525           0 :                                             tx_size_wide_log2[0]) >>
     526             :                                     ss_y;
     527           0 :       const int row_off_in_sb = blk_start_row_off + row_off;
     528           0 :       const int sb_height_unit =
     529           0 :           MAX_MIB_SIZE << (MI_SIZE_LOG2 - tx_size_wide_log2[0]) >> ss_y;
     530           0 :       return row_off_in_sb + bottom_left_count_unit < sb_height_unit;
     531             :     }
     532             : 
     533             :     // Bottom row of superblock (and not the leftmost column): so bottom-left
     534             :     // pixels fall in the bottom superblock, which is not available yet.
     535           0 :     if (((blk_row_in_sb + 1) << bh_in_mi_log2) >= MAX_MIB_SIZE) return 0;
     536             : 
     537             :     // General case (neither leftmost column nor bottom row): check if the
     538             :     // bottom-left block is coded before the current block.
     539           0 :     const uint16_t *const order = orders[bsize];
     540           0 :     const int this_blk_index =
     541           0 :         ((blk_row_in_sb + 0) << (MAX_MIB_SIZE_LOG2 - bw_in_mi_log2)) +
     542             :         blk_col_in_sb + 0;
     543           0 :     const uint16_t this_blk_order = order[this_blk_index];
     544           0 :     const int bl_blk_index =
     545           0 :         ((blk_row_in_sb + 1) << (MAX_MIB_SIZE_LOG2 - bw_in_mi_log2)) +
     546             :         blk_col_in_sb - 1;
     547           0 :     const uint16_t bl_blk_order = order[bl_blk_index];
     548           0 :     return bl_blk_order < this_blk_order;
     549             :   }
     550             : }
     551             : 
     552             : typedef void (*intra_pred_fn)(uint8_t *dst, ptrdiff_t stride,
     553             :                               const uint8_t *above, const uint8_t *left);
     554             : 
     555             : static intra_pred_fn pred[INTRA_MODES][TX_SIZES];
     556             : static intra_pred_fn dc_pred[2][2][TX_SIZES];
     557             : 
     558             : #if CONFIG_HIGHBITDEPTH
     559             : typedef void (*intra_high_pred_fn)(uint16_t *dst, ptrdiff_t stride,
     560             :                                    const uint16_t *above, const uint16_t *left,
     561             :                                    int bd);
     562             : static intra_high_pred_fn pred_high[INTRA_MODES][TX_SIZES];
     563             : static intra_high_pred_fn dc_pred_high[2][2][TX_SIZES];
     564             : #endif  // CONFIG_HIGHBITDEPTH
     565             : 
     566           0 : static void av1_init_intra_predictors_internal(void) {
     567             : #if CONFIG_EXT_INTRA
     568             :   assert(NELEMENTS(mode_to_angle_map) == INTRA_MODES);
     569             : #endif  // CONFIG_EXT_INTRA
     570             : #if CONFIG_TX64X64
     571             : #define INIT_NO_4X4(p, type)                  \
     572             :   p[TX_8X8] = aom_##type##_predictor_8x8;     \
     573             :   p[TX_16X16] = aom_##type##_predictor_16x16; \
     574             :   p[TX_32X32] = aom_##type##_predictor_32x32; \
     575             :   p[TX_64X64] = aom_##type##_predictor_64x64
     576             : #else
     577             : #define INIT_NO_4X4(p, type)                  \
     578             :   p[TX_8X8] = aom_##type##_predictor_8x8;     \
     579             :   p[TX_16X16] = aom_##type##_predictor_16x16; \
     580             :   p[TX_32X32] = aom_##type##_predictor_32x32
     581             : #endif  // CONFIG_TX64X64
     582             : 
     583             : #if CONFIG_CHROMA_2X2
     584             : #define INIT_ALL_SIZES(p, type)           \
     585             :   p[TX_2X2] = aom_##type##_predictor_2x2; \
     586             :   p[TX_4X4] = aom_##type##_predictor_4x4; \
     587             :   INIT_NO_4X4(p, type)
     588             : #else
     589             : #define INIT_ALL_SIZES(p, type)           \
     590             :   p[TX_4X4] = aom_##type##_predictor_4x4; \
     591             :   INIT_NO_4X4(p, type)
     592             : #endif
     593             : 
     594           0 :   INIT_ALL_SIZES(pred[V_PRED], v);
     595           0 :   INIT_ALL_SIZES(pred[H_PRED], h);
     596           0 :   INIT_ALL_SIZES(pred[D207_PRED], d207e);
     597           0 :   INIT_ALL_SIZES(pred[D45_PRED], d45e);
     598           0 :   INIT_ALL_SIZES(pred[D63_PRED], d63e);
     599           0 :   INIT_ALL_SIZES(pred[D117_PRED], d117);
     600           0 :   INIT_ALL_SIZES(pred[D135_PRED], d135);
     601           0 :   INIT_ALL_SIZES(pred[D153_PRED], d153);
     602             : 
     603             : #if CONFIG_ALT_INTRA
     604           0 :   INIT_ALL_SIZES(pred[TM_PRED], paeth);
     605           0 :   INIT_ALL_SIZES(pred[SMOOTH_PRED], smooth);
     606             : #if CONFIG_SMOOTH_HV
     607             :   INIT_ALL_SIZES(pred[SMOOTH_V_PRED], smooth_v);
     608             :   INIT_ALL_SIZES(pred[SMOOTH_H_PRED], smooth_h);
     609             : #endif  // CONFIG_SMOOTH_HV
     610             : #else
     611             :   INIT_ALL_SIZES(pred[TM_PRED], tm);
     612             : #endif  // CONFIG_ALT_INTRA
     613             : 
     614           0 :   INIT_ALL_SIZES(dc_pred[0][0], dc_128);
     615           0 :   INIT_ALL_SIZES(dc_pred[0][1], dc_top);
     616           0 :   INIT_ALL_SIZES(dc_pred[1][0], dc_left);
     617           0 :   INIT_ALL_SIZES(dc_pred[1][1], dc);
     618             : 
     619             : #if CONFIG_HIGHBITDEPTH
     620           0 :   INIT_ALL_SIZES(pred_high[V_PRED], highbd_v);
     621           0 :   INIT_ALL_SIZES(pred_high[H_PRED], highbd_h);
     622           0 :   INIT_ALL_SIZES(pred_high[D207_PRED], highbd_d207e);
     623           0 :   INIT_ALL_SIZES(pred_high[D45_PRED], highbd_d45e);
     624           0 :   INIT_ALL_SIZES(pred_high[D63_PRED], highbd_d63e);
     625           0 :   INIT_ALL_SIZES(pred_high[D117_PRED], highbd_d117);
     626           0 :   INIT_ALL_SIZES(pred_high[D135_PRED], highbd_d135);
     627           0 :   INIT_ALL_SIZES(pred_high[D153_PRED], highbd_d153);
     628             : 
     629             : #if CONFIG_ALT_INTRA
     630           0 :   INIT_ALL_SIZES(pred_high[TM_PRED], highbd_paeth);
     631           0 :   INIT_ALL_SIZES(pred_high[SMOOTH_PRED], highbd_smooth);
     632             : #if CONFIG_SMOOTH_HV
     633             :   INIT_ALL_SIZES(pred_high[SMOOTH_V_PRED], highbd_smooth_v);
     634             :   INIT_ALL_SIZES(pred_high[SMOOTH_H_PRED], highbd_smooth_h);
     635             : #endif  // CONFIG_SMOOTH_HV
     636             : #else
     637             :   INIT_ALL_SIZES(pred_high[TM_PRED], highbd_tm);
     638             : #endif  // CONFIG_ALT_INTRA
     639             : 
     640           0 :   INIT_ALL_SIZES(dc_pred_high[0][0], highbd_dc_128);
     641           0 :   INIT_ALL_SIZES(dc_pred_high[0][1], highbd_dc_top);
     642           0 :   INIT_ALL_SIZES(dc_pred_high[1][0], highbd_dc_left);
     643           0 :   INIT_ALL_SIZES(dc_pred_high[1][1], highbd_dc);
     644             : #endif  // CONFIG_HIGHBITDEPTH
     645             : 
     646             : #undef intra_pred_allsizes
     647           0 : }
     648             : 
     649             : #if CONFIG_EXT_INTRA
     650             : #if CONFIG_INTRA_INTERP
     651             : static int intra_subpel_interp(int base, int shift, const uint8_t *ref,
     652             :                                int ref_start_idx, int ref_end_idx,
     653             :                                INTRA_FILTER filter_type) {
     654             :   int val, k, idx, filter_idx = 0;
     655             :   const int16_t *filter = NULL;
     656             : 
     657             :   if (filter_type == INTRA_FILTER_LINEAR) {
     658             :     val = ref[base] * (256 - shift) + ref[base + 1] * shift;
     659             :     val = ROUND_POWER_OF_TWO(val, 8);
     660             :   } else {
     661             :     filter_idx = ROUND_POWER_OF_TWO(shift, 8 - SUBPEL_BITS);
     662             :     filter = av1_intra_filter_kernels[filter_type][filter_idx];
     663             : 
     664             :     if (filter_idx < (1 << SUBPEL_BITS)) {
     665             :       val = 0;
     666             :       for (k = 0; k < SUBPEL_TAPS; ++k) {
     667             :         idx = base + 1 - (SUBPEL_TAPS / 2) + k;
     668             :         idx = AOMMAX(AOMMIN(idx, ref_end_idx), ref_start_idx);
     669             :         val += ref[idx] * filter[k];
     670             :       }
     671             :       val = ROUND_POWER_OF_TWO(val, FILTER_BITS);
     672             :     } else {
     673             :       val = ref[base + 1];
     674             :     }
     675             :   }
     676             : 
     677             :   return val;
     678             : }
     679             : #endif  // CONFIG_INTRA_INTERP
     680             : 
     681             : // Directional prediction, zone 1: 0 < angle < 90
     682           0 : static void dr_prediction_z1(uint8_t *dst, ptrdiff_t stride, int bs,
     683             :                              const uint8_t *above, const uint8_t *left,
     684             : #if CONFIG_INTRA_INTERP
     685             :                              INTRA_FILTER filter_type,
     686             : #endif  // CONFIG_INTRA_INTERP
     687             :                              int dx, int dy) {
     688             :   int r, c, x, base, shift, val;
     689             : 
     690             :   (void)left;
     691             :   (void)dy;
     692           0 :   assert(dy == 1);
     693           0 :   assert(dx > 0);
     694             : 
     695             : #if CONFIG_INTRA_INTERP
     696             :   if (filter_type != INTRA_FILTER_LINEAR) {
     697             :     const int pad_size = SUBPEL_TAPS >> 1;
     698             :     int len;
     699             :     DECLARE_ALIGNED(16, uint8_t, buf[SUBPEL_SHIFTS][MAX_SB_SIZE]);
     700             :     DECLARE_ALIGNED(16, uint8_t, src[MAX_SB_SIZE + SUBPEL_TAPS]);
     701             :     uint8_t flags[SUBPEL_SHIFTS];
     702             : 
     703             :     memset(flags, 0, SUBPEL_SHIFTS * sizeof(flags[0]));
     704             :     memset(src, above[0], pad_size * sizeof(above[0]));
     705             :     memcpy(src + pad_size, above, 2 * bs * sizeof(above[0]));
     706             :     memset(src + pad_size + 2 * bs, above[2 * bs - 1],
     707             :            pad_size * sizeof(above[0]));
     708             :     flags[0] = 1;
     709             :     x = dx;
     710             :     for (r = 0; r < bs; ++r, dst += stride, x += dx) {
     711             :       base = x >> 8;
     712             :       shift = x & 0xFF;
     713             :       shift = ROUND_POWER_OF_TWO(shift, 8 - SUBPEL_BITS);
     714             :       if (shift == SUBPEL_SHIFTS) {
     715             :         base += 1;
     716             :         shift = 0;
     717             :       }
     718             :       len = AOMMIN(bs, 2 * bs - 1 - base);
     719             :       if (len <= 0) {
     720             :         int i;
     721             :         for (i = r; i < bs; ++i) {
     722             :           memset(dst, above[2 * bs - 1], bs * sizeof(dst[0]));
     723             :           dst += stride;
     724             :         }
     725             :         return;
     726             :       }
     727             : 
     728             :       if (len <= (bs >> 1) && !flags[shift]) {
     729             :         base = x >> 8;
     730             :         shift = x & 0xFF;
     731             :         for (c = 0; c < len; ++c) {
     732             :           val = intra_subpel_interp(base, shift, above, 0, 2 * bs - 1,
     733             :                                     filter_type);
     734             :           dst[c] = clip_pixel(val);
     735             :           ++base;
     736             :         }
     737             :       } else {
     738             :         if (!flags[shift]) {
     739             :           const int16_t *filter = av1_intra_filter_kernels[filter_type][shift];
     740             :           aom_convolve8_horiz(src + pad_size, 2 * bs, buf[shift], 2 * bs,
     741             :                               filter, 16, NULL, 16, 2 * bs,
     742             :                               2 * bs < 16 ? 2 : 1);
     743             :           flags[shift] = 1;
     744             :         }
     745             :         memcpy(dst, shift == 0 ? src + pad_size + base : &buf[shift][base],
     746             :                len * sizeof(dst[0]));
     747             :       }
     748             : 
     749             :       if (len < bs)
     750             :         memset(dst + len, above[2 * bs - 1], (bs - len) * sizeof(dst[0]));
     751             :     }
     752             :     return;
     753             :   }
     754             : #endif  // CONFIG_INTRA_INTERP
     755             : 
     756           0 :   x = dx;
     757           0 :   for (r = 0; r < bs; ++r, dst += stride, x += dx) {
     758           0 :     base = x >> 8;
     759           0 :     shift = x & 0xFF;
     760             : 
     761           0 :     if (base >= 2 * bs - 1) {
     762             :       int i;
     763           0 :       for (i = r; i < bs; ++i) {
     764           0 :         memset(dst, above[2 * bs - 1], bs * sizeof(dst[0]));
     765           0 :         dst += stride;
     766             :       }
     767           0 :       return;
     768             :     }
     769             : 
     770           0 :     for (c = 0; c < bs; ++c, ++base) {
     771           0 :       if (base < 2 * bs - 1) {
     772           0 :         val = above[base] * (256 - shift) + above[base + 1] * shift;
     773           0 :         val = ROUND_POWER_OF_TWO(val, 8);
     774           0 :         dst[c] = clip_pixel(val);
     775             :       } else {
     776           0 :         dst[c] = above[2 * bs - 1];
     777             :       }
     778             :     }
     779             :   }
     780             : }
     781             : 
     782             : // Directional prediction, zone 2: 90 < angle < 180
     783           0 : static void dr_prediction_z2(uint8_t *dst, ptrdiff_t stride, int bs,
     784             :                              const uint8_t *above, const uint8_t *left,
     785             : #if CONFIG_INTRA_INTERP
     786             :                              INTRA_FILTER filter_type,
     787             : #endif  // CONFIG_INTRA_INTERP
     788             :                              int dx, int dy) {
     789             :   int r, c, x, y, shift1, shift2, val, base1, base2;
     790             : 
     791           0 :   assert(dx > 0);
     792           0 :   assert(dy > 0);
     793             : 
     794           0 :   x = -dx;
     795           0 :   for (r = 0; r < bs; ++r, x -= dx, dst += stride) {
     796           0 :     base1 = x >> 8;
     797           0 :     y = (r << 8) - dy;
     798           0 :     for (c = 0; c < bs; ++c, ++base1, y -= dy) {
     799           0 :       if (base1 >= -1) {
     800           0 :         shift1 = x & 0xFF;
     801             : #if CONFIG_INTRA_INTERP
     802             :         val =
     803             :             intra_subpel_interp(base1, shift1, above, -1, bs - 1, filter_type);
     804             : #else
     805           0 :         val = above[base1] * (256 - shift1) + above[base1 + 1] * shift1;
     806           0 :         val = ROUND_POWER_OF_TWO(val, 8);
     807             : #endif  // CONFIG_INTRA_INTERP
     808             :       } else {
     809           0 :         base2 = y >> 8;
     810           0 :         assert(base2 >= -1);
     811           0 :         shift2 = y & 0xFF;
     812             : #if CONFIG_INTRA_INTERP
     813             :         val = intra_subpel_interp(base2, shift2, left, -1, bs - 1, filter_type);
     814             : #else
     815           0 :         val = left[base2] * (256 - shift2) + left[base2 + 1] * shift2;
     816           0 :         val = ROUND_POWER_OF_TWO(val, 8);
     817             : #endif  // CONFIG_INTRA_INTERP
     818             :       }
     819           0 :       dst[c] = clip_pixel(val);
     820             :     }
     821             :   }
     822           0 : }
     823             : 
     824             : // Directional prediction, zone 3: 180 < angle < 270
     825           0 : static void dr_prediction_z3(uint8_t *dst, ptrdiff_t stride, int bs,
     826             :                              const uint8_t *above, const uint8_t *left,
     827             : #if CONFIG_INTRA_INTERP
     828             :                              INTRA_FILTER filter_type,
     829             : #endif  // CONFIG_INTRA_INTERP
     830             :                              int dx, int dy) {
     831             :   int r, c, y, base, shift, val;
     832             : 
     833             :   (void)above;
     834             :   (void)dx;
     835             : 
     836           0 :   assert(dx == 1);
     837           0 :   assert(dy > 0);
     838             : 
     839             : #if CONFIG_INTRA_INTERP
     840             :   if (filter_type != INTRA_FILTER_LINEAR) {
     841             :     const int pad_size = SUBPEL_TAPS >> 1;
     842             :     int len, i;
     843             :     DECLARE_ALIGNED(16, uint8_t, buf[MAX_SB_SIZE][4 * SUBPEL_SHIFTS]);
     844             :     DECLARE_ALIGNED(16, uint8_t, src[(MAX_SB_SIZE + SUBPEL_TAPS) * 4]);
     845             :     uint8_t flags[SUBPEL_SHIFTS];
     846             : 
     847             :     memset(flags, 0, SUBPEL_SHIFTS * sizeof(flags[0]));
     848             :     for (i = 0; i < pad_size; ++i) src[4 * i] = left[0];
     849             :     for (i = 0; i < 2 * bs; ++i) src[4 * (i + pad_size)] = left[i];
     850             :     for (i = 0; i < pad_size; ++i)
     851             :       src[4 * (i + 2 * bs + pad_size)] = left[2 * bs - 1];
     852             :     flags[0] = 1;
     853             :     y = dy;
     854             :     for (c = 0; c < bs; ++c, y += dy) {
     855             :       base = y >> 8;
     856             :       shift = y & 0xFF;
     857             :       shift = ROUND_POWER_OF_TWO(shift, 8 - SUBPEL_BITS);
     858             :       if (shift == SUBPEL_SHIFTS) {
     859             :         base += 1;
     860             :         shift = 0;
     861             :       }
     862             :       len = AOMMIN(bs, 2 * bs - 1 - base);
     863             : 
     864             :       if (len <= 0) {
     865             :         for (r = 0; r < bs; ++r) {
     866             :           dst[r * stride + c] = left[2 * bs - 1];
     867             :         }
     868             :         continue;
     869             :       }
     870             : 
     871             :       if (len <= (bs >> 1) && !flags[shift]) {
     872             :         base = y >> 8;
     873             :         shift = y & 0xFF;
     874             :         for (r = 0; r < len; ++r) {
     875             :           val = intra_subpel_interp(base, shift, left, 0, 2 * bs - 1,
     876             :                                     filter_type);
     877             :           dst[r * stride + c] = clip_pixel(val);
     878             :           ++base;
     879             :         }
     880             :       } else {
     881             :         if (!flags[shift]) {
     882             :           const int16_t *filter = av1_intra_filter_kernels[filter_type][shift];
     883             :           aom_convolve8_vert(src + 4 * pad_size, 4, buf[0] + 4 * shift,
     884             :                              4 * SUBPEL_SHIFTS, NULL, 16, filter, 16,
     885             :                              2 * bs < 16 ? 4 : 4, 2 * bs);
     886             :           flags[shift] = 1;
     887             :         }
     888             : 
     889             :         if (shift == 0) {
     890             :           for (r = 0; r < len; ++r) {
     891             :             dst[r * stride + c] = left[r + base];
     892             :           }
     893             :         } else {
     894             :           for (r = 0; r < len; ++r) {
     895             :             dst[r * stride + c] = buf[r + base][4 * shift];
     896             :           }
     897             :         }
     898             :       }
     899             : 
     900             :       if (len < bs) {
     901             :         for (r = len; r < bs; ++r) {
     902             :           dst[r * stride + c] = left[2 * bs - 1];
     903             :         }
     904             :       }
     905             :     }
     906             :     return;
     907             :   }
     908             : #endif  // CONFIG_INTRA_INTERP
     909             : 
     910           0 :   y = dy;
     911           0 :   for (c = 0; c < bs; ++c, y += dy) {
     912           0 :     base = y >> 8;
     913           0 :     shift = y & 0xFF;
     914             : 
     915           0 :     for (r = 0; r < bs; ++r, ++base) {
     916           0 :       if (base < 2 * bs - 1) {
     917           0 :         val = left[base] * (256 - shift) + left[base + 1] * shift;
     918           0 :         val = ROUND_POWER_OF_TWO(val, 8);
     919           0 :         dst[r * stride + c] = clip_pixel(val);
     920             :       } else {
     921           0 :         for (; r < bs; ++r) dst[r * stride + c] = left[2 * bs - 1];
     922           0 :         break;
     923             :       }
     924             :     }
     925             :   }
     926           0 : }
     927             : 
     928             : // Get the shift (up-scaled by 256) in X w.r.t a unit change in Y.
     929             : // If angle > 0 && angle < 90, dx = -((int)(256 / t));
     930             : // If angle > 90 && angle < 180, dx = (int)(256 / t);
     931             : // If angle > 180 && angle < 270, dx = 1;
     932           0 : static INLINE int get_dx(int angle) {
     933           0 :   if (angle > 0 && angle < 90) {
     934           0 :     return dr_intra_derivative[angle];
     935           0 :   } else if (angle > 90 && angle < 180) {
     936           0 :     return dr_intra_derivative[180 - angle];
     937             :   } else {
     938             :     // In this case, we are not really going to use dx. We may return any value.
     939           0 :     return 1;
     940             :   }
     941             : }
     942             : 
     943             : // Get the shift (up-scaled by 256) in Y w.r.t a unit change in X.
     944             : // If angle > 0 && angle < 90, dy = 1;
     945             : // If angle > 90 && angle < 180, dy = (int)(256 * t);
     946             : // If angle > 180 && angle < 270, dy = -((int)(256 * t));
     947           0 : static INLINE int get_dy(int angle) {
     948           0 :   if (angle > 90 && angle < 180) {
     949           0 :     return dr_intra_derivative[angle - 90];
     950           0 :   } else if (angle > 180 && angle < 270) {
     951           0 :     return dr_intra_derivative[270 - angle];
     952             :   } else {
     953             :     // In this case, we are not really going to use dy. We may return any value.
     954           0 :     return 1;
     955             :   }
     956             : }
     957             : 
     958           0 : static void dr_predictor(uint8_t *dst, ptrdiff_t stride, TX_SIZE tx_size,
     959             :                          const uint8_t *above, const uint8_t *left,
     960             : #if CONFIG_INTRA_INTERP
     961             :                          INTRA_FILTER filter_type,
     962             : #endif  // CONFIG_INTRA_INTERP
     963             :                          int angle) {
     964           0 :   const int dx = get_dx(angle);
     965           0 :   const int dy = get_dy(angle);
     966           0 :   const int bs = tx_size_wide[tx_size];
     967           0 :   assert(angle > 0 && angle < 270);
     968             : 
     969           0 :   if (angle > 0 && angle < 90) {
     970           0 :     dr_prediction_z1(dst, stride, bs, above, left,
     971             : #if CONFIG_INTRA_INTERP
     972             :                      filter_type,
     973             : #endif  // CONFIG_INTRA_INTERP
     974             :                      dx, dy);
     975           0 :   } else if (angle > 90 && angle < 180) {
     976           0 :     dr_prediction_z2(dst, stride, bs, above, left,
     977             : #if CONFIG_INTRA_INTERP
     978             :                      filter_type,
     979             : #endif  // CONFIG_INTRA_INTERP
     980             :                      dx, dy);
     981           0 :   } else if (angle > 180 && angle < 270) {
     982           0 :     dr_prediction_z3(dst, stride, bs, above, left,
     983             : #if CONFIG_INTRA_INTERP
     984             :                      filter_type,
     985             : #endif  // CONFIG_INTRA_INTERP
     986             :                      dx, dy);
     987           0 :   } else if (angle == 90) {
     988           0 :     pred[V_PRED][tx_size](dst, stride, above, left);
     989           0 :   } else if (angle == 180) {
     990           0 :     pred[H_PRED][tx_size](dst, stride, above, left);
     991             :   }
     992           0 : }
     993             : 
     994             : #if CONFIG_HIGHBITDEPTH
     995             : #if CONFIG_INTRA_INTERP
     996             : static int highbd_intra_subpel_interp(int base, int shift, const uint16_t *ref,
     997             :                                       int ref_start_idx, int ref_end_idx,
     998             :                                       INTRA_FILTER filter_type) {
     999             :   int val, k, idx, filter_idx = 0;
    1000             :   const int16_t *filter = NULL;
    1001             : 
    1002             :   if (filter_type == INTRA_FILTER_LINEAR) {
    1003             :     val = ref[base] * (256 - shift) + ref[base + 1] * shift;
    1004             :     val = ROUND_POWER_OF_TWO(val, 8);
    1005             :   } else {
    1006             :     filter_idx = ROUND_POWER_OF_TWO(shift, 8 - SUBPEL_BITS);
    1007             :     filter = av1_intra_filter_kernels[filter_type][filter_idx];
    1008             : 
    1009             :     if (filter_idx < (1 << SUBPEL_BITS)) {
    1010             :       val = 0;
    1011             :       for (k = 0; k < SUBPEL_TAPS; ++k) {
    1012             :         idx = base + 1 - (SUBPEL_TAPS / 2) + k;
    1013             :         idx = AOMMAX(AOMMIN(idx, ref_end_idx), ref_start_idx);
    1014             :         val += ref[idx] * filter[k];
    1015             :       }
    1016             :       val = ROUND_POWER_OF_TWO(val, FILTER_BITS);
    1017             :     } else {
    1018             :       val = ref[base + 1];
    1019             :     }
    1020             :   }
    1021             : 
    1022             :   return val;
    1023             : }
    1024             : #endif  // CONFIG_INTRA_INTERP
    1025             : 
    1026             : // Directional prediction, zone 1: 0 < angle < 90
    1027           0 : static void highbd_dr_prediction_z1(uint16_t *dst, ptrdiff_t stride, int bs,
    1028             :                                     const uint16_t *above, const uint16_t *left,
    1029             : #if CONFIG_INTRA_INTERP
    1030             :                                     INTRA_FILTER filter_type,
    1031             : #endif  // CONFIG_INTRA_INTERP
    1032             :                                     int dx, int dy, int bd) {
    1033             :   int r, c, x, base, shift, val;
    1034             : 
    1035             :   (void)left;
    1036             :   (void)dy;
    1037           0 :   assert(dy == 1);
    1038           0 :   assert(dx > 0);
    1039             : 
    1040           0 :   x = dx;
    1041           0 :   for (r = 0; r < bs; ++r, dst += stride, x += dx) {
    1042           0 :     base = x >> 8;
    1043           0 :     shift = x & 0xFF;
    1044             : 
    1045           0 :     if (base >= 2 * bs - 1) {
    1046             :       int i;
    1047           0 :       for (i = r; i < bs; ++i) {
    1048           0 :         aom_memset16(dst, above[2 * bs - 1], bs);
    1049           0 :         dst += stride;
    1050             :       }
    1051           0 :       return;
    1052             :     }
    1053             : 
    1054           0 :     for (c = 0; c < bs; ++c, ++base) {
    1055           0 :       if (base < 2 * bs - 1) {
    1056             : #if CONFIG_INTRA_INTERP
    1057             :         val = highbd_intra_subpel_interp(base, shift, above, 0, 2 * bs - 1,
    1058             :                                          filter_type);
    1059             : #else
    1060           0 :         val = above[base] * (256 - shift) + above[base + 1] * shift;
    1061           0 :         val = ROUND_POWER_OF_TWO(val, 8);
    1062             : #endif  // CONFIG_INTRA_INTERP
    1063           0 :         dst[c] = clip_pixel_highbd(val, bd);
    1064             :       } else {
    1065           0 :         dst[c] = above[2 * bs - 1];
    1066             :       }
    1067             :     }
    1068             :   }
    1069             : }
    1070             : 
    1071             : // Directional prediction, zone 2: 90 < angle < 180
    1072           0 : static void highbd_dr_prediction_z2(uint16_t *dst, ptrdiff_t stride, int bs,
    1073             :                                     const uint16_t *above, const uint16_t *left,
    1074             : #if CONFIG_INTRA_INTERP
    1075             :                                     INTRA_FILTER filter_type,
    1076             : #endif  // CONFIG_INTRA_INTERP
    1077             :                                     int dx, int dy, int bd) {
    1078             :   int r, c, x, y, shift, val, base;
    1079             : 
    1080           0 :   assert(dx > 0);
    1081           0 :   assert(dy > 0);
    1082             : 
    1083           0 :   for (r = 0; r < bs; ++r) {
    1084           0 :     for (c = 0; c < bs; ++c) {
    1085           0 :       y = r + 1;
    1086           0 :       x = (c << 8) - y * dx;
    1087           0 :       base = x >> 8;
    1088           0 :       if (base >= -1) {
    1089           0 :         shift = x & 0xFF;
    1090             : #if CONFIG_INTRA_INTERP
    1091             :         val = highbd_intra_subpel_interp(base, shift, above, -1, bs - 1,
    1092             :                                          filter_type);
    1093             : #else
    1094           0 :         val = above[base] * (256 - shift) + above[base + 1] * shift;
    1095           0 :         val = ROUND_POWER_OF_TWO(val, 8);
    1096             : #endif  // CONFIG_INTRA_INTERP
    1097             :       } else {
    1098           0 :         x = c + 1;
    1099           0 :         y = (r << 8) - x * dy;
    1100           0 :         base = y >> 8;
    1101           0 :         shift = y & 0xFF;
    1102             : #if CONFIG_INTRA_INTERP
    1103             :         val = highbd_intra_subpel_interp(base, shift, left, -1, bs - 1,
    1104             :                                          filter_type);
    1105             : #else
    1106           0 :         val = left[base] * (256 - shift) + left[base + 1] * shift;
    1107           0 :         val = ROUND_POWER_OF_TWO(val, 8);
    1108             : #endif  // CONFIG_INTRA_INTERP
    1109             :       }
    1110           0 :       dst[c] = clip_pixel_highbd(val, bd);
    1111             :     }
    1112           0 :     dst += stride;
    1113             :   }
    1114           0 : }
    1115             : 
    1116             : // Directional prediction, zone 3: 180 < angle < 270
    1117           0 : static void highbd_dr_prediction_z3(uint16_t *dst, ptrdiff_t stride, int bs,
    1118             :                                     const uint16_t *above, const uint16_t *left,
    1119             : #if CONFIG_INTRA_INTERP
    1120             :                                     INTRA_FILTER filter_type,
    1121             : #endif  // CONFIG_INTRA_INTERP
    1122             :                                     int dx, int dy, int bd) {
    1123             :   int r, c, y, base, shift, val;
    1124             : 
    1125             :   (void)above;
    1126             :   (void)dx;
    1127           0 :   assert(dx == 1);
    1128           0 :   assert(dy > 0);
    1129             : 
    1130           0 :   y = dy;
    1131           0 :   for (c = 0; c < bs; ++c, y += dy) {
    1132           0 :     base = y >> 8;
    1133           0 :     shift = y & 0xFF;
    1134             : 
    1135           0 :     for (r = 0; r < bs; ++r, ++base) {
    1136           0 :       if (base < 2 * bs - 1) {
    1137             : #if CONFIG_INTRA_INTERP
    1138             :         val = highbd_intra_subpel_interp(base, shift, left, 0, 2 * bs - 1,
    1139             :                                          filter_type);
    1140             : #else
    1141           0 :         val = left[base] * (256 - shift) + left[base + 1] * shift;
    1142           0 :         val = ROUND_POWER_OF_TWO(val, 8);
    1143             : #endif  // CONFIG_INTRA_INTERP
    1144           0 :         dst[r * stride + c] = clip_pixel_highbd(val, bd);
    1145             :       } else {
    1146           0 :         for (; r < bs; ++r) dst[r * stride + c] = left[2 * bs - 1];
    1147           0 :         break;
    1148             :       }
    1149             :     }
    1150             :   }
    1151           0 : }
    1152             : 
    1153           0 : static INLINE void highbd_v_predictor(uint16_t *dst, ptrdiff_t stride, int bs,
    1154             :                                       const uint16_t *above,
    1155             :                                       const uint16_t *left, int bd) {
    1156             :   int r;
    1157             :   (void)left;
    1158             :   (void)bd;
    1159           0 :   for (r = 0; r < bs; r++) {
    1160           0 :     memcpy(dst, above, bs * sizeof(uint16_t));
    1161           0 :     dst += stride;
    1162             :   }
    1163           0 : }
    1164             : 
    1165           0 : static INLINE void highbd_h_predictor(uint16_t *dst, ptrdiff_t stride, int bs,
    1166             :                                       const uint16_t *above,
    1167             :                                       const uint16_t *left, int bd) {
    1168             :   int r;
    1169             :   (void)above;
    1170             :   (void)bd;
    1171           0 :   for (r = 0; r < bs; r++) {
    1172           0 :     aom_memset16(dst, left[r], bs);
    1173           0 :     dst += stride;
    1174             :   }
    1175           0 : }
    1176             : 
    1177           0 : static void highbd_dr_predictor(uint16_t *dst, ptrdiff_t stride, int bs,
    1178             :                                 const uint16_t *above, const uint16_t *left,
    1179             : #if CONFIG_INTRA_INTERP
    1180             :                                 INTRA_FILTER filter,
    1181             : #endif  // CONFIG_INTRA_INTERP
    1182             :                                 int angle, int bd) {
    1183           0 :   const int dx = get_dx(angle);
    1184           0 :   const int dy = get_dy(angle);
    1185           0 :   assert(angle > 0 && angle < 270);
    1186             : 
    1187           0 :   if (angle > 0 && angle < 90) {
    1188           0 :     highbd_dr_prediction_z1(dst, stride, bs, above, left,
    1189             : #if CONFIG_INTRA_INTERP
    1190             :                             filter,
    1191             : #endif  // CONFIG_INTRA_INTERP
    1192             :                             dx, dy, bd);
    1193           0 :   } else if (angle > 90 && angle < 180) {
    1194           0 :     highbd_dr_prediction_z2(dst, stride, bs, above, left,
    1195             : #if CONFIG_INTRA_INTERP
    1196             :                             filter,
    1197             : #endif  // CONFIG_INTRA_INTERP
    1198             :                             dx, dy, bd);
    1199           0 :   } else if (angle > 180 && angle < 270) {
    1200           0 :     highbd_dr_prediction_z3(dst, stride, bs, above, left,
    1201             : #if CONFIG_INTRA_INTERP
    1202             :                             filter,
    1203             : #endif  // CONFIG_INTRA_INTERP
    1204             :                             dx, dy, bd);
    1205           0 :   } else if (angle == 90) {
    1206           0 :     highbd_v_predictor(dst, stride, bs, above, left, bd);
    1207           0 :   } else if (angle == 180) {
    1208           0 :     highbd_h_predictor(dst, stride, bs, above, left, bd);
    1209             :   }
    1210           0 : }
    1211             : #endif  // CONFIG_HIGHBITDEPTH
    1212             : #endif  // CONFIG_EXT_INTRA
    1213             : 
    1214             : #if CONFIG_FILTER_INTRA
    1215             : #if USE_3TAP_INTRA_FILTER
    1216             : static int filter_intra_taps_3[TX_SIZES][FILTER_INTRA_MODES][3] = {
    1217             : #if CONFIG_CHROMA_2X2
    1218             :   {
    1219             :       { 697, 836, -509 },
    1220             :       { 993, 513, -482 },
    1221             :       { 381, 984, -341 },
    1222             :       { 642, 1169, -787 },
    1223             :       { 590, 553, -119 },
    1224             :       { 762, 385, -123 },
    1225             :       { 358, 687, -21 },
    1226             :       { 411, 1083, -470 },
    1227             :       { 912, 814, -702 },
    1228             :       { 883, 902, -761 },
    1229             :   },
    1230             : #endif
    1231             :   {
    1232             :       { 697, 836, -509 },
    1233             :       { 993, 513, -482 },
    1234             :       { 381, 984, -341 },
    1235             :       { 642, 1169, -787 },
    1236             :       { 590, 553, -119 },
    1237             :       { 762, 385, -123 },
    1238             :       { 358, 687, -21 },
    1239             :       { 411, 1083, -470 },
    1240             :       { 912, 814, -702 },
    1241             :       { 883, 902, -761 },
    1242             :   },
    1243             :   {
    1244             :       { 659, 816, -451 },
    1245             :       { 980, 625, -581 },
    1246             :       { 558, 962, -496 },
    1247             :       { 681, 888, -545 },
    1248             :       { 591, 613, 180 },
    1249             :       { 778, 399, -153 },
    1250             :       { 495, 641, -112 },
    1251             :       { 671, 937, -584 },
    1252             :       { 745, 940, -661 },
    1253             :       { 839, 911, -726 },
    1254             :   },
    1255             :   {
    1256             :       { 539, 927, -442 },
    1257             :       { 1003, 714, -693 },
    1258             :       { 349, 1271, -596 },
    1259             :       { 820, 764, -560 },
    1260             :       { 524, 816, -316 },
    1261             :       { 780, 681, -437 },
    1262             :       { 586, 795, -357 },
    1263             :       { 551, 1135, -663 },
    1264             :       { 593, 1061, -630 },
    1265             :       { 974, 970, -920 },
    1266             :   },
    1267             :   {
    1268             :       { 595, 919, -490 },
    1269             :       { 945, 668, -579 },
    1270             :       { 495, 962, -433 },
    1271             :       { 385, 1551, -912 },
    1272             :       { 455, 554, 15 },
    1273             :       { 852, 478, -306 },
    1274             :       { 177, 760, -87 },
    1275             :       { -65, 1611, -522 },
    1276             :       { 815, 894, -685 },
    1277             :       { 846, 1010, -832 },
    1278             :   },
    1279             : #if CONFIG_TX64X64
    1280             :   {
    1281             :       { 595, 919, -490 },
    1282             :       { 945, 668, -579 },
    1283             :       { 495, 962, -433 },
    1284             :       { 385, 1551, -912 },
    1285             :       { 455, 554, 15 },
    1286             :       { 852, 478, -306 },
    1287             :       { 177, 760, -87 },
    1288             :       { -65, 1611, -522 },
    1289             :       { 815, 894, -685 },
    1290             :       { 846, 1010, -832 },
    1291             :   },
    1292             : #endif  // CONFIG_TX64X64
    1293             : };
    1294             : #else
    1295             : static int filter_intra_taps_4[TX_SIZES][FILTER_INTRA_MODES][4] = {
    1296             : #if CONFIG_CHROMA_2X2
    1297             :   {
    1298             :       { 735, 881, -537, -54 },
    1299             :       { 1005, 519, -488, -11 },
    1300             :       { 383, 990, -343, -6 },
    1301             :       { 442, 805, -542, 319 },
    1302             :       { 658, 616, -133, -116 },
    1303             :       { 875, 442, -141, -151 },
    1304             :       { 386, 741, -23, -80 },
    1305             :       { 390, 1027, -446, 51 },
    1306             :       { 679, 606, -523, 262 },
    1307             :       { 903, 922, -778, -23 },
    1308             :   },
    1309             : #endif
    1310             :   {
    1311             :       { 735, 881, -537, -54 },
    1312             :       { 1005, 519, -488, -11 },
    1313             :       { 383, 990, -343, -6 },
    1314             :       { 442, 805, -542, 319 },
    1315             :       { 658, 616, -133, -116 },
    1316             :       { 875, 442, -141, -151 },
    1317             :       { 386, 741, -23, -80 },
    1318             :       { 390, 1027, -446, 51 },
    1319             :       { 679, 606, -523, 262 },
    1320             :       { 903, 922, -778, -23 },
    1321             :   },
    1322             :   {
    1323             :       { 648, 803, -444, 16 },
    1324             :       { 972, 620, -576, 7 },
    1325             :       { 561, 967, -499, -5 },
    1326             :       { 585, 762, -468, 144 },
    1327             :       { 596, 619, -182, -9 },
    1328             :       { 895, 459, -176, -153 },
    1329             :       { 557, 722, -126, -129 },
    1330             :       { 601, 839, -523, 105 },
    1331             :       { 562, 709, -499, 251 },
    1332             :       { 803, 872, -695, 43 },
    1333             :   },
    1334             :   {
    1335             :       { 423, 728, -347, 111 },
    1336             :       { 963, 685, -665, 23 },
    1337             :       { 281, 1024, -480, 216 },
    1338             :       { 640, 596, -437, 78 },
    1339             :       { 429, 669, -259, 99 },
    1340             :       { 740, 646, -415, 23 },
    1341             :       { 568, 771, -346, 40 },
    1342             :       { 404, 833, -486, 209 },
    1343             :       { 398, 712, -423, 307 },
    1344             :       { 939, 935, -887, 17 },
    1345             :   },
    1346             :   {
    1347             :       { 477, 737, -393, 150 },
    1348             :       { 881, 630, -546, 67 },
    1349             :       { 506, 984, -443, -20 },
    1350             :       { 114, 459, -270, 528 },
    1351             :       { 433, 528, 14, 3 },
    1352             :       { 837, 470, -301, -30 },
    1353             :       { 181, 777, 89, -107 },
    1354             :       { -29, 716, -232, 259 },
    1355             :       { 589, 646, -495, 255 },
    1356             :       { 740, 884, -728, 77 },
    1357             :   },
    1358             : #if CONFIG_TX64X64
    1359             :   {
    1360             :       { 477, 737, -393, 150 },
    1361             :       { 881, 630, -546, 67 },
    1362             :       { 506, 984, -443, -20 },
    1363             :       { 114, 459, -270, 528 },
    1364             :       { 433, 528, 14, 3 },
    1365             :       { 837, 470, -301, -30 },
    1366             :       { 181, 777, 89, -107 },
    1367             :       { -29, 716, -232, 259 },
    1368             :       { 589, 646, -495, 255 },
    1369             :       { 740, 884, -728, 77 },
    1370             :   },
    1371             : #endif  // CONFIG_TX64X64
    1372             : };
    1373             : #endif
    1374             : 
    1375             : static INLINE TX_SIZE get_txsize_from_blocklen(int bs) {
    1376             :   switch (bs) {
    1377             :     case 4: return TX_4X4;
    1378             :     case 8: return TX_8X8;
    1379             :     case 16: return TX_16X16;
    1380             :     case 32: return TX_32X32;
    1381             : #if CONFIG_TX64X64
    1382             :     case 64: return TX_64X64;
    1383             : #endif  // CONFIG_TX64X64
    1384             :     default: assert(0); return TX_INVALID;
    1385             :   }
    1386             : }
    1387             : 
    1388             : #if USE_3TAP_INTRA_FILTER
    1389             : static void filter_intra_predictors_3tap(uint8_t *dst, ptrdiff_t stride, int bs,
    1390             :                                          const uint8_t *above,
    1391             :                                          const uint8_t *left, int mode) {
    1392             :   int k, r, c;
    1393             :   int mean, ipred;
    1394             : #if CONFIG_TX64X64
    1395             :   int buffer[65][65];
    1396             : #else
    1397             :   int buffer[33][33];
    1398             : #endif  // CONFIG_TX64X64
    1399             :   const TX_SIZE tx_size = get_txsize_from_blocklen(bs);
    1400             :   const int c0 = filter_intra_taps_3[tx_size][mode][0];
    1401             :   const int c1 = filter_intra_taps_3[tx_size][mode][1];
    1402             :   const int c2 = filter_intra_taps_3[tx_size][mode][2];
    1403             : 
    1404             :   k = 0;
    1405             :   mean = 0;
    1406             :   while (k < bs) {
    1407             :     mean = mean + (int)left[k];
    1408             :     mean = mean + (int)above[k];
    1409             :     k++;
    1410             :   }
    1411             :   mean = (mean + bs) / (2 * bs);
    1412             : 
    1413             :   for (r = 0; r < bs; ++r) buffer[r + 1][0] = (int)left[r] - mean;
    1414             : 
    1415             :   for (c = 0; c < bs + 1; ++c) buffer[0][c] = (int)above[c - 1] - mean;
    1416             : 
    1417             :   for (r = 1; r < bs + 1; ++r)
    1418             :     for (c = 1; c < bs + 1; ++c) {
    1419             :       ipred = c0 * buffer[r - 1][c] + c1 * buffer[r][c - 1] +
    1420             :               c2 * buffer[r - 1][c - 1];
    1421             :       buffer[r][c] = ROUND_POWER_OF_TWO_SIGNED(ipred, FILTER_INTRA_PREC_BITS);
    1422             :       buffer[r][c] = clip_pixel(buffer[r][c] + mean) - mean;
    1423             :     }
    1424             : 
    1425             :   for (r = 0; r < bs; ++r) {
    1426             :     for (c = 0; c < bs; ++c) dst[c] = clip_pixel(buffer[r + 1][c + 1] + mean);
    1427             :     dst += stride;
    1428             :   }
    1429             : }
    1430             : #else
    1431             : static void filter_intra_predictors_4tap(uint8_t *dst, ptrdiff_t stride, int bs,
    1432             :                                          const uint8_t *above,
    1433             :                                          const uint8_t *left, int mode) {
    1434             :   int k, r, c;
    1435             :   int mean, ipred;
    1436             : #if CONFIG_TX64X64
    1437             :   int buffer[65][129];
    1438             : #else
    1439             :   int buffer[33][65];
    1440             : #endif  // CONFIG_TX64X64
    1441             :   const TX_SIZE tx_size = get_txsize_from_blocklen(bs);
    1442             :   const int c0 = filter_intra_taps_4[tx_size][mode][0];
    1443             :   const int c1 = filter_intra_taps_4[tx_size][mode][1];
    1444             :   const int c2 = filter_intra_taps_4[tx_size][mode][2];
    1445             :   const int c3 = filter_intra_taps_4[tx_size][mode][3];
    1446             : 
    1447             :   k = 0;
    1448             :   mean = 0;
    1449             :   while (k < bs) {
    1450             :     mean = mean + (int)left[k];
    1451             :     mean = mean + (int)above[k];
    1452             :     k++;
    1453             :   }
    1454             :   mean = (mean + bs) / (2 * bs);
    1455             : 
    1456             :   for (r = 0; r < bs; ++r) buffer[r + 1][0] = (int)left[r] - mean;
    1457             : 
    1458             :   for (c = 0; c < 2 * bs + 1; ++c) buffer[0][c] = (int)above[c - 1] - mean;
    1459             : 
    1460             :   for (r = 1; r < bs + 1; ++r)
    1461             :     for (c = 1; c < 2 * bs + 1 - r; ++c) {
    1462             :       ipred = c0 * buffer[r - 1][c] + c1 * buffer[r][c - 1] +
    1463             :               c2 * buffer[r - 1][c - 1] + c3 * buffer[r - 1][c + 1];
    1464             :       buffer[r][c] = ROUND_POWER_OF_TWO_SIGNED(ipred, FILTER_INTRA_PREC_BITS);
    1465             :       buffer[r][c] = clip_pixel(buffer[r][c] + mean) - mean;
    1466             :     }
    1467             : 
    1468             :   for (r = 0; r < bs; ++r) {
    1469             :     for (c = 0; c < bs; ++c) dst[c] = clip_pixel(buffer[r + 1][c + 1] + mean);
    1470             :     dst += stride;
    1471             :   }
    1472             : }
    1473             : #endif
    1474             : 
    1475             : void av1_dc_filter_predictor_c(uint8_t *dst, ptrdiff_t stride, int bs,
    1476             :                                const uint8_t *above, const uint8_t *left) {
    1477             : #if USE_3TAP_INTRA_FILTER
    1478             :   filter_intra_predictors_3tap(dst, stride, bs, above, left, FILTER_DC_PRED);
    1479             : #else
    1480             :   filter_intra_predictors_4tap(dst, stride, bs, above, left, FILTER_DC_PRED);
    1481             : #endif
    1482             : }
    1483             : 
    1484             : void av1_v_filter_predictor_c(uint8_t *dst, ptrdiff_t stride, int bs,
    1485             :                               const uint8_t *above, const uint8_t *left) {
    1486             : #if USE_3TAP_INTRA_FILTER
    1487             :   filter_intra_predictors_3tap(dst, stride, bs, above, left, FILTER_V_PRED);
    1488             : #else
    1489             :   filter_intra_predictors_4tap(dst, stride, bs, above, left, FILTER_V_PRED);
    1490             : #endif
    1491             : }
    1492             : 
    1493             : void av1_h_filter_predictor_c(uint8_t *dst, ptrdiff_t stride, int bs,
    1494             :                               const uint8_t *above, const uint8_t *left) {
    1495             : #if USE_3TAP_INTRA_FILTER
    1496             :   filter_intra_predictors_3tap(dst, stride, bs, above, left, FILTER_H_PRED);
    1497             : #else
    1498             :   filter_intra_predictors_4tap(dst, stride, bs, above, left, FILTER_H_PRED);
    1499             : #endif
    1500             : }
    1501             : 
    1502             : void av1_d45_filter_predictor_c(uint8_t *dst, ptrdiff_t stride, int bs,
    1503             :                                 const uint8_t *above, const uint8_t *left) {
    1504             : #if USE_3TAP_INTRA_FILTER
    1505             :   filter_intra_predictors_3tap(dst, stride, bs, above, left, FILTER_D45_PRED);
    1506             : #else
    1507             :   filter_intra_predictors_4tap(dst, stride, bs, above, left, FILTER_D45_PRED);
    1508             : #endif
    1509             : }
    1510             : 
    1511             : void av1_d135_filter_predictor_c(uint8_t *dst, ptrdiff_t stride, int bs,
    1512             :                                  const uint8_t *above, const uint8_t *left) {
    1513             : #if USE_3TAP_INTRA_FILTER
    1514             :   filter_intra_predictors_3tap(dst, stride, bs, above, left, FILTER_D135_PRED);
    1515             : #else
    1516             :   filter_intra_predictors_4tap(dst, stride, bs, above, left, FILTER_D135_PRED);
    1517             : #endif
    1518             : }
    1519             : 
    1520             : void av1_d117_filter_predictor_c(uint8_t *dst, ptrdiff_t stride, int bs,
    1521             :                                  const uint8_t *above, const uint8_t *left) {
    1522             : #if USE_3TAP_INTRA_FILTER
    1523             :   filter_intra_predictors_3tap(dst, stride, bs, above, left, FILTER_D117_PRED);
    1524             : #else
    1525             :   filter_intra_predictors_4tap(dst, stride, bs, above, left, FILTER_D117_PRED);
    1526             : #endif
    1527             : }
    1528             : 
    1529             : void av1_d153_filter_predictor_c(uint8_t *dst, ptrdiff_t stride, int bs,
    1530             :                                  const uint8_t *above, const uint8_t *left) {
    1531             : #if USE_3TAP_INTRA_FILTER
    1532             :   filter_intra_predictors_3tap(dst, stride, bs, above, left, FILTER_D153_PRED);
    1533             : #else
    1534             :   filter_intra_predictors_4tap(dst, stride, bs, above, left, FILTER_D153_PRED);
    1535             : #endif
    1536             : }
    1537             : 
    1538             : void av1_d207_filter_predictor_c(uint8_t *dst, ptrdiff_t stride, int bs,
    1539             :                                  const uint8_t *above, const uint8_t *left) {
    1540             : #if USE_3TAP_INTRA_FILTER
    1541             :   filter_intra_predictors_3tap(dst, stride, bs, above, left, FILTER_D207_PRED);
    1542             : #else
    1543             :   filter_intra_predictors_4tap(dst, stride, bs, above, left, FILTER_D207_PRED);
    1544             : #endif
    1545             : }
    1546             : 
    1547             : void av1_d63_filter_predictor_c(uint8_t *dst, ptrdiff_t stride, int bs,
    1548             :                                 const uint8_t *above, const uint8_t *left) {
    1549             : #if USE_3TAP_INTRA_FILTER
    1550             :   filter_intra_predictors_3tap(dst, stride, bs, above, left, FILTER_D63_PRED);
    1551             : #else
    1552             :   filter_intra_predictors_4tap(dst, stride, bs, above, left, FILTER_D63_PRED);
    1553             : #endif
    1554             : }
    1555             : 
    1556             : void av1_tm_filter_predictor_c(uint8_t *dst, ptrdiff_t stride, int bs,
    1557             :                                const uint8_t *above, const uint8_t *left) {
    1558             : #if USE_3TAP_INTRA_FILTER
    1559             :   filter_intra_predictors_3tap(dst, stride, bs, above, left, FILTER_TM_PRED);
    1560             : #else
    1561             :   filter_intra_predictors_4tap(dst, stride, bs, above, left, FILTER_TM_PRED);
    1562             : #endif
    1563             : }
    1564             : 
    1565             : static void filter_intra_predictors(FILTER_INTRA_MODE mode, uint8_t *dst,
    1566             :                                     ptrdiff_t stride, int bs,
    1567             :                                     const uint8_t *above, const uint8_t *left) {
    1568             :   switch (mode) {
    1569             :     case FILTER_DC_PRED:
    1570             :       av1_dc_filter_predictor(dst, stride, bs, above, left);
    1571             :       break;
    1572             :     case FILTER_V_PRED:
    1573             :       av1_v_filter_predictor(dst, stride, bs, above, left);
    1574             :       break;
    1575             :     case FILTER_H_PRED:
    1576             :       av1_h_filter_predictor(dst, stride, bs, above, left);
    1577             :       break;
    1578             :     case FILTER_D45_PRED:
    1579             :       av1_d45_filter_predictor(dst, stride, bs, above, left);
    1580             :       break;
    1581             :     case FILTER_D135_PRED:
    1582             :       av1_d135_filter_predictor(dst, stride, bs, above, left);
    1583             :       break;
    1584             :     case FILTER_D117_PRED:
    1585             :       av1_d117_filter_predictor(dst, stride, bs, above, left);
    1586             :       break;
    1587             :     case FILTER_D153_PRED:
    1588             :       av1_d153_filter_predictor(dst, stride, bs, above, left);
    1589             :       break;
    1590             :     case FILTER_D207_PRED:
    1591             :       av1_d207_filter_predictor(dst, stride, bs, above, left);
    1592             :       break;
    1593             :     case FILTER_D63_PRED:
    1594             :       av1_d63_filter_predictor(dst, stride, bs, above, left);
    1595             :       break;
    1596             :     case FILTER_TM_PRED:
    1597             :       av1_tm_filter_predictor(dst, stride, bs, above, left);
    1598             :       break;
    1599             :     default: assert(0);
    1600             :   }
    1601             : }
    1602             : #if CONFIG_HIGHBITDEPTH
    1603             : #if USE_3TAP_INTRA_FILTER
    1604             : static void highbd_filter_intra_predictors_3tap(uint16_t *dst, ptrdiff_t stride,
    1605             :                                                 int bs, const uint16_t *above,
    1606             :                                                 const uint16_t *left, int mode,
    1607             :                                                 int bd) {
    1608             :   int k, r, c;
    1609             :   int mean, ipred;
    1610             : #if CONFIG_TX64X64
    1611             :   int preds[65][65];
    1612             : #else
    1613             :   int preds[33][33];
    1614             : #endif  // CONFIG_TX64X64
    1615             :   const TX_SIZE tx_size = get_txsize_from_blocklen(bs);
    1616             :   const int c0 = filter_intra_taps_3[tx_size][mode][0];
    1617             :   const int c1 = filter_intra_taps_3[tx_size][mode][1];
    1618             :   const int c2 = filter_intra_taps_3[tx_size][mode][2];
    1619             : 
    1620             :   k = 0;
    1621             :   mean = 0;
    1622             :   while (k < bs) {
    1623             :     mean = mean + (int)left[k];
    1624             :     mean = mean + (int)above[k];
    1625             :     k++;
    1626             :   }
    1627             :   mean = (mean + bs) / (2 * bs);
    1628             : 
    1629             :   for (r = 0; r < bs; ++r) preds[r + 1][0] = (int)left[r] - mean;
    1630             : 
    1631             :   for (c = 0; c < bs + 1; ++c) preds[0][c] = (int)above[c - 1] - mean;
    1632             : 
    1633             :   for (r = 1; r < bs + 1; ++r)
    1634             :     for (c = 1; c < bs + 1; ++c) {
    1635             :       ipred = c0 * preds[r - 1][c] + c1 * preds[r][c - 1] +
    1636             :               c2 * preds[r - 1][c - 1];
    1637             :       preds[r][c] = ROUND_POWER_OF_TWO_SIGNED(ipred, FILTER_INTRA_PREC_BITS);
    1638             :       preds[r][c] = clip_pixel_highbd(preds[r][c] + mean, bd) - mean;
    1639             :     }
    1640             : 
    1641             :   for (r = 0; r < bs; ++r) {
    1642             :     for (c = 0; c < bs; ++c)
    1643             :       dst[c] = clip_pixel_highbd(preds[r + 1][c + 1] + mean, bd);
    1644             :     dst += stride;
    1645             :   }
    1646             : }
    1647             : #else
    1648             : static void highbd_filter_intra_predictors_4tap(uint16_t *dst, ptrdiff_t stride,
    1649             :                                                 int bs, const uint16_t *above,
    1650             :                                                 const uint16_t *left, int mode,
    1651             :                                                 int bd) {
    1652             :   int k, r, c;
    1653             :   int mean, ipred;
    1654             : #if CONFIG_TX64X64
    1655             :   int preds[65][129];
    1656             : #else
    1657             :   int preds[33][65];
    1658             : #endif  // CONFIG_TX64X64
    1659             :   const TX_SIZE tx_size = get_txsize_from_blocklen(bs);
    1660             :   const int c0 = filter_intra_taps_4[tx_size][mode][0];
    1661             :   const int c1 = filter_intra_taps_4[tx_size][mode][1];
    1662             :   const int c2 = filter_intra_taps_4[tx_size][mode][2];
    1663             :   const int c3 = filter_intra_taps_4[tx_size][mode][3];
    1664             : 
    1665             :   k = 0;
    1666             :   mean = 0;
    1667             :   while (k < bs) {
    1668             :     mean = mean + (int)left[k];
    1669             :     mean = mean + (int)above[k];
    1670             :     k++;
    1671             :   }
    1672             :   mean = (mean + bs) / (2 * bs);
    1673             : 
    1674             :   for (r = 0; r < bs; ++r) preds[r + 1][0] = (int)left[r] - mean;
    1675             : 
    1676             :   for (c = 0; c < 2 * bs + 1; ++c) preds[0][c] = (int)above[c - 1] - mean;
    1677             : 
    1678             :   for (r = 1; r < bs + 1; ++r)
    1679             :     for (c = 1; c < 2 * bs + 1 - r; ++c) {
    1680             :       ipred = c0 * preds[r - 1][c] + c1 * preds[r][c - 1] +
    1681             :               c2 * preds[r - 1][c - 1] + c3 * preds[r - 1][c + 1];
    1682             :       preds[r][c] = ROUND_POWER_OF_TWO_SIGNED(ipred, FILTER_INTRA_PREC_BITS);
    1683             :       preds[r][c] = clip_pixel_highbd(preds[r][c] + mean, bd) - mean;
    1684             :     }
    1685             : 
    1686             :   for (r = 0; r < bs; ++r) {
    1687             :     for (c = 0; c < bs; ++c)
    1688             :       dst[c] = clip_pixel_highbd(preds[r + 1][c + 1] + mean, bd);
    1689             :     dst += stride;
    1690             :   }
    1691             : }
    1692             : #endif
    1693             : 
    1694             : void av1_highbd_dc_filter_predictor_c(uint16_t *dst, ptrdiff_t stride, int bs,
    1695             :                                       const uint16_t *above,
    1696             :                                       const uint16_t *left, int bd) {
    1697             : #if USE_3TAP_INTRA_FILTER
    1698             :   highbd_filter_intra_predictors_3tap(dst, stride, bs, above, left,
    1699             :                                       FILTER_DC_PRED, bd);
    1700             : #else
    1701             :   highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left,
    1702             :                                       FILTER_DC_PRED, bd);
    1703             : #endif
    1704             : }
    1705             : 
    1706             : void av1_highbd_v_filter_predictor_c(uint16_t *dst, ptrdiff_t stride, int bs,
    1707             :                                      const uint16_t *above,
    1708             :                                      const uint16_t *left, int bd) {
    1709             : #if USE_3TAP_INTRA_FILTER
    1710             :   highbd_filter_intra_predictors_3tap(dst, stride, bs, above, left,
    1711             :                                       FILTER_V_PRED, bd);
    1712             : #else
    1713             :   highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left,
    1714             :                                       FILTER_V_PRED, bd);
    1715             : #endif
    1716             : }
    1717             : 
    1718             : void av1_highbd_h_filter_predictor_c(uint16_t *dst, ptrdiff_t stride, int bs,
    1719             :                                      const uint16_t *above,
    1720             :                                      const uint16_t *left, int bd) {
    1721             : #if USE_3TAP_INTRA_FILTER
    1722             :   highbd_filter_intra_predictors_3tap(dst, stride, bs, above, left,
    1723             :                                       FILTER_H_PRED, bd);
    1724             : #else
    1725             :   highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left,
    1726             :                                       FILTER_H_PRED, bd);
    1727             : #endif
    1728             : }
    1729             : 
    1730             : void av1_highbd_d45_filter_predictor_c(uint16_t *dst, ptrdiff_t stride, int bs,
    1731             :                                        const uint16_t *above,
    1732             :                                        const uint16_t *left, int bd) {
    1733             : #if USE_3TAP_INTRA_FILTER
    1734             :   highbd_filter_intra_predictors_3tap(dst, stride, bs, above, left,
    1735             :                                       FILTER_D45_PRED, bd);
    1736             : #else
    1737             :   highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left,
    1738             :                                       FILTER_D45_PRED, bd);
    1739             : #endif
    1740             : }
    1741             : 
    1742             : void av1_highbd_d135_filter_predictor_c(uint16_t *dst, ptrdiff_t stride, int bs,
    1743             :                                         const uint16_t *above,
    1744             :                                         const uint16_t *left, int bd) {
    1745             : #if USE_3TAP_INTRA_FILTER
    1746             :   highbd_filter_intra_predictors_3tap(dst, stride, bs, above, left,
    1747             :                                       FILTER_D135_PRED, bd);
    1748             : #else
    1749             :   highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left,
    1750             :                                       FILTER_D135_PRED, bd);
    1751             : #endif
    1752             : }
    1753             : 
    1754             : void av1_highbd_d117_filter_predictor_c(uint16_t *dst, ptrdiff_t stride, int bs,
    1755             :                                         const uint16_t *above,
    1756             :                                         const uint16_t *left, int bd) {
    1757             : #if USE_3TAP_INTRA_FILTER
    1758             :   highbd_filter_intra_predictors_3tap(dst, stride, bs, above, left,
    1759             :                                       FILTER_D117_PRED, bd);
    1760             : #else
    1761             :   highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left,
    1762             :                                       FILTER_D117_PRED, bd);
    1763             : #endif
    1764             : }
    1765             : 
    1766             : void av1_highbd_d153_filter_predictor_c(uint16_t *dst, ptrdiff_t stride, int bs,
    1767             :                                         const uint16_t *above,
    1768             :                                         const uint16_t *left, int bd) {
    1769             : #if USE_3TAP_INTRA_FILTER
    1770             :   highbd_filter_intra_predictors_3tap(dst, stride, bs, above, left,
    1771             :                                       FILTER_D153_PRED, bd);
    1772             : #else
    1773             :   highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left,
    1774             :                                       FILTER_D153_PRED, bd);
    1775             : #endif
    1776             : }
    1777             : 
    1778             : void av1_highbd_d207_filter_predictor_c(uint16_t *dst, ptrdiff_t stride, int bs,
    1779             :                                         const uint16_t *above,
    1780             :                                         const uint16_t *left, int bd) {
    1781             : #if USE_3TAP_INTRA_FILTER
    1782             :   highbd_filter_intra_predictors_3tap(dst, stride, bs, above, left,
    1783             :                                       FILTER_D207_PRED, bd);
    1784             : #else
    1785             :   highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left,
    1786             :                                       FILTER_D207_PRED, bd);
    1787             : #endif
    1788             : }
    1789             : 
    1790             : void av1_highbd_d63_filter_predictor_c(uint16_t *dst, ptrdiff_t stride, int bs,
    1791             :                                        const uint16_t *above,
    1792             :                                        const uint16_t *left, int bd) {
    1793             : #if USE_3TAP_INTRA_FILTER
    1794             :   highbd_filter_intra_predictors_3tap(dst, stride, bs, above, left,
    1795             :                                       FILTER_D63_PRED, bd);
    1796             : #else
    1797             :   highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left,
    1798             :                                       FILTER_D63_PRED, bd);
    1799             : #endif
    1800             : }
    1801             : 
    1802             : void av1_highbd_tm_filter_predictor_c(uint16_t *dst, ptrdiff_t stride, int bs,
    1803             :                                       const uint16_t *above,
    1804             :                                       const uint16_t *left, int bd) {
    1805             : #if USE_3TAP_INTRA_FILTER
    1806             :   highbd_filter_intra_predictors_3tap(dst, stride, bs, above, left,
    1807             :                                       FILTER_TM_PRED, bd);
    1808             : #else
    1809             :   highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left,
    1810             :                                       FILTER_TM_PRED, bd);
    1811             : #endif
    1812             : }
    1813             : 
    1814             : static void highbd_filter_intra_predictors(FILTER_INTRA_MODE mode,
    1815             :                                            uint16_t *dst, ptrdiff_t stride,
    1816             :                                            int bs, const uint16_t *above,
    1817             :                                            const uint16_t *left, int bd) {
    1818             :   switch (mode) {
    1819             :     case FILTER_DC_PRED:
    1820             :       av1_highbd_dc_filter_predictor(dst, stride, bs, above, left, bd);
    1821             :       break;
    1822             :     case FILTER_V_PRED:
    1823             :       av1_highbd_v_filter_predictor(dst, stride, bs, above, left, bd);
    1824             :       break;
    1825             :     case FILTER_H_PRED:
    1826             :       av1_highbd_h_filter_predictor(dst, stride, bs, above, left, bd);
    1827             :       break;
    1828             :     case FILTER_D45_PRED:
    1829             :       av1_highbd_d45_filter_predictor(dst, stride, bs, above, left, bd);
    1830             :       break;
    1831             :     case FILTER_D135_PRED:
    1832             :       av1_highbd_d135_filter_predictor(dst, stride, bs, above, left, bd);
    1833             :       break;
    1834             :     case FILTER_D117_PRED:
    1835             :       av1_highbd_d117_filter_predictor(dst, stride, bs, above, left, bd);
    1836             :       break;
    1837             :     case FILTER_D153_PRED:
    1838             :       av1_highbd_d153_filter_predictor(dst, stride, bs, above, left, bd);
    1839             :       break;
    1840             :     case FILTER_D207_PRED:
    1841             :       av1_highbd_d207_filter_predictor(dst, stride, bs, above, left, bd);
    1842             :       break;
    1843             :     case FILTER_D63_PRED:
    1844             :       av1_highbd_d63_filter_predictor(dst, stride, bs, above, left, bd);
    1845             :       break;
    1846             :     case FILTER_TM_PRED:
    1847             :       av1_highbd_tm_filter_predictor(dst, stride, bs, above, left, bd);
    1848             :       break;
    1849             :     default: assert(0);
    1850             :   }
    1851             : }
    1852             : #endif  // CONFIG_HIGHBITDEPTH
    1853             : #endif  // CONFIG_FILTER_INTRA
    1854             : 
    1855             : #if CONFIG_INTRA_EDGE
    1856             : static int intra_edge_filter_strength(int bsz, int delta) {
    1857             :   const int d = abs(delta);
    1858             :   int strength = 0;
    1859             : 
    1860             :   if (bsz == 8) {
    1861             :     if (d < 8) {
    1862             :       strength = 0;
    1863             :     } else if (d < 32) {
    1864             :       strength = 1;
    1865             :     } else if (d < 90) {
    1866             :       strength = 3;
    1867             :     }
    1868             :   } else if (bsz == 16) {
    1869             :     if (d < 4) {
    1870             :       strength = 0;
    1871             :     } else if (d < 16) {
    1872             :       strength = 1;
    1873             :     } else if (d < 90) {
    1874             :       strength = 3;
    1875             :     }
    1876             :   } else if (bsz == 32) {
    1877             :     if (d < 16) {
    1878             :       strength = 2;
    1879             :     } else if (d < 90) {
    1880             :       strength = 3;
    1881             :     }
    1882             :   }
    1883             : 
    1884             :   return strength;
    1885             : }
    1886             : 
    1887             : static void filter_intra_edge(uint8_t *p, int sz, int strength) {
    1888             :   if (!strength) return;
    1889             : 
    1890             :   const int kernel[3][5] = {
    1891             :     { 0, 4, 8, 4, 0 }, { 0, 5, 6, 5, 0 }, { 2, 4, 4, 4, 2 }
    1892             :   };
    1893             :   const int filt = strength - 1;
    1894             :   uint8_t edge[129];
    1895             : 
    1896             :   memcpy(edge, p, sz * sizeof(*p));
    1897             :   for (int i = 1; i < sz - 1; i++) {
    1898             :     int s = 0;
    1899             :     for (int j = 0; j < 5; j++) {
    1900             :       int k = i - 2 + j;
    1901             :       k = (k < 0) ? 0 : k;
    1902             :       k = (k > sz - 1) ? sz - 1 : k;
    1903             :       s += edge[k] * kernel[filt][j];
    1904             :     }
    1905             :     s = (s + 8) >> 4;
    1906             :     p[i] = s;
    1907             :   }
    1908             : }
    1909             : 
    1910             : #if CONFIG_HIGHBITDEPTH
    1911             : static void filter_intra_edge_high(uint16_t *p, int sz, int strength) {
    1912             :   if (!strength) return;
    1913             : 
    1914             :   const int kernel[3][5] = {
    1915             :     { 0, 4, 8, 4, 0 }, { 0, 5, 6, 5, 0 }, { 2, 4, 4, 4, 2 }
    1916             :   };
    1917             :   const int filt = strength - 1;
    1918             :   uint16_t edge[129];
    1919             : 
    1920             :   memcpy(edge, p, sz * sizeof(*p));
    1921             :   for (int i = 1; i < sz - 1; i++) {
    1922             :     int s = 0;
    1923             :     for (int j = 0; j < 5; j++) {
    1924             :       int k = i - 2 + j;
    1925             :       k = (k < 0) ? 0 : k;
    1926             :       k = (k > sz - 1) ? sz - 1 : k;
    1927             :       s += edge[k] * kernel[filt][j];
    1928             :     }
    1929             :     s = (s + 8) >> 4;
    1930             :     p[i] = s;
    1931             :   }
    1932             : }
    1933             : #endif  // CONFIG_INTRA_EDGE
    1934             : #endif  // CONFIG_HIGHBITDEPTH
    1935             : 
    1936             : #if CONFIG_HIGHBITDEPTH
    1937           0 : static void build_intra_predictors_high(
    1938             :     const MACROBLOCKD *xd, const uint8_t *ref8, int ref_stride, uint8_t *dst8,
    1939             :     int dst_stride, PREDICTION_MODE mode, TX_SIZE tx_size, int n_top_px,
    1940             :     int n_topright_px, int n_left_px, int n_bottomleft_px, int plane) {
    1941             :   int i;
    1942           0 :   uint16_t *dst = CONVERT_TO_SHORTPTR(dst8);
    1943           0 :   uint16_t *ref = CONVERT_TO_SHORTPTR(ref8);
    1944             :   DECLARE_ALIGNED(16, uint16_t, left_data[MAX_TX_SIZE * 2 + 16]);
    1945             :   DECLARE_ALIGNED(16, uint16_t, above_data[MAX_TX_SIZE * 2 + 16]);
    1946           0 :   uint16_t *const above_row = above_data + 16;
    1947           0 :   uint16_t *const left_col = left_data + 16;
    1948           0 :   const int bs = tx_size_wide[tx_size];
    1949           0 :   int need_left = extend_modes[mode] & NEED_LEFT;
    1950           0 :   int need_above = extend_modes[mode] & NEED_ABOVE;
    1951           0 :   int need_above_left = extend_modes[mode] & NEED_ABOVELEFT;
    1952           0 :   const uint16_t *above_ref = ref - ref_stride;
    1953             : #if CONFIG_EXT_INTRA
    1954           0 :   int p_angle = 0;
    1955           0 :   const int is_dr_mode = av1_is_directional_mode(mode, xd->mi[0]->mbmi.sb_type);
    1956             : #endif  // CONFIG_EXT_INTRA
    1957             : #if CONFIG_FILTER_INTRA
    1958             :   const FILTER_INTRA_MODE_INFO *filter_intra_mode_info =
    1959             :       &xd->mi[0]->mbmi.filter_intra_mode_info;
    1960             :   const FILTER_INTRA_MODE filter_intra_mode =
    1961             :       filter_intra_mode_info->filter_intra_mode[plane != 0];
    1962             : #endif  // CONFIG_FILTER_INTRA
    1963           0 :   int base = 128 << (xd->bd - 8);
    1964           0 :   assert(tx_size_wide[tx_size] == tx_size_high[tx_size]);
    1965             : 
    1966             :   // base-1 base-1 base-1 .. base-1 base-1 base-1 base-1 base-1 base-1
    1967             :   // base+1   A      B  ..     Y      Z
    1968             :   // base+1   C      D  ..     W      X
    1969             :   // base+1   E      F  ..     U      V
    1970             :   // base+1   G      H  ..     S      T      T      T      T      T
    1971           0 :   aom_memset16(left_data, base + 1, sizeof(left_data) / sizeof(*left_data));
    1972             : 
    1973             : #if CONFIG_EXT_INTRA
    1974           0 :   if (is_dr_mode) {
    1975           0 :     p_angle = mode_to_angle_map[mode] +
    1976           0 :               xd->mi[0]->mbmi.angle_delta[plane != 0] * ANGLE_STEP;
    1977           0 :     if (p_angle <= 90)
    1978           0 :       need_above = 1, need_left = 0, need_above_left = 1;
    1979           0 :     else if (p_angle < 180)
    1980           0 :       need_above = 1, need_left = 1, need_above_left = 1;
    1981             :     else
    1982           0 :       need_above = 0, need_left = 1, need_above_left = 1;
    1983             :   }
    1984             : #endif  // CONFIG_EXT_INTRA
    1985             : #if CONFIG_FILTER_INTRA
    1986             :   if (filter_intra_mode_info->use_filter_intra_mode[plane != 0])
    1987             :     need_left = need_above = need_above_left = 1;
    1988             : #endif  // CONFIG_FILTER_INTRA
    1989             : 
    1990             :   (void)plane;
    1991           0 :   assert(n_top_px >= 0);
    1992           0 :   assert(n_topright_px >= 0);
    1993           0 :   assert(n_left_px >= 0);
    1994           0 :   assert(n_bottomleft_px >= 0);
    1995             : 
    1996           0 :   if ((!need_above && n_left_px == 0) || (!need_left && n_top_px == 0)) {
    1997             : #if CONFIG_INTRA_EDGE
    1998             :     int val;
    1999             :     if (need_left) {
    2000             :       val = (n_top_px > 0) ? above_ref[0] : base + 1;
    2001             :     } else {
    2002             :       val = (n_left_px > 0) ? ref[-1] : base - 1;
    2003             :     }
    2004             : #else
    2005           0 :     const int val = need_left ? base + 1 : base - 1;
    2006             : #endif
    2007           0 :     for (i = 0; i < bs; ++i) {
    2008           0 :       aom_memset16(dst, val, bs);
    2009           0 :       dst += dst_stride;
    2010             :     }
    2011           0 :     return;
    2012             :   }
    2013             : 
    2014             :   // NEED_LEFT
    2015           0 :   if (need_left) {
    2016             : #if CONFIG_EXT_INTRA || CONFIG_FILTER_INTRA
    2017           0 :     int need_bottom = !!(extend_modes[mode] & NEED_BOTTOMLEFT);
    2018             : #if CONFIG_FILTER_INTRA
    2019             :     if (filter_intra_mode_info->use_filter_intra_mode[plane != 0])
    2020             :       need_bottom = 0;
    2021             : #endif  // CONFIG_FILTER_INTRA
    2022             : #if CONFIG_EXT_INTRA
    2023           0 :     if (is_dr_mode) need_bottom = p_angle > 180;
    2024             : #endif  // CONFIG_EXT_INTRA
    2025             : #else
    2026             :     const int need_bottom = !!(extend_modes[mode] & NEED_BOTTOMLEFT);
    2027             : #endif  // CONFIG_EXT_INTRA || CONFIG_FILTER_INTRA
    2028           0 :     i = 0;
    2029           0 :     if (n_left_px > 0) {
    2030           0 :       for (; i < n_left_px; i++) left_col[i] = ref[i * ref_stride - 1];
    2031           0 :       if (need_bottom && n_bottomleft_px > 0) {
    2032           0 :         assert(i == bs);
    2033           0 :         for (; i < bs + n_bottomleft_px; i++)
    2034           0 :           left_col[i] = ref[i * ref_stride - 1];
    2035             :       }
    2036           0 :       if (i < (bs << need_bottom))
    2037           0 :         aom_memset16(&left_col[i], left_col[i - 1], (bs << need_bottom) - i);
    2038             :     } else {
    2039             : #if CONFIG_INTRA_EDGE
    2040             :       if (n_top_px > 0) {
    2041             :         aom_memset16(left_col, above_ref[0], bs << need_bottom);
    2042             :       } else {
    2043             : #endif
    2044           0 :         aom_memset16(left_col, base + 1, bs << need_bottom);
    2045             : #if CONFIG_INTRA_EDGE
    2046             :       }
    2047             : #endif
    2048             :     }
    2049             :   }
    2050             : 
    2051             :   // NEED_ABOVE
    2052           0 :   if (need_above) {
    2053             : #if CONFIG_EXT_INTRA || CONFIG_FILTER_INTRA
    2054           0 :     int need_right = !!(extend_modes[mode] & NEED_ABOVERIGHT);
    2055             : #if CONFIG_FILTER_INTRA
    2056             :     if (filter_intra_mode_info->use_filter_intra_mode[plane != 0])
    2057             :       need_right = 1;
    2058             : #endif  // CONFIG_FILTER_INTRA
    2059             : #if CONFIG_EXT_INTRA
    2060           0 :     if (is_dr_mode) need_right = p_angle < 90;
    2061             : #endif  // CONFIG_EXT_INTRA
    2062             : #else
    2063             :     const int need_right = !!(extend_modes[mode] & NEED_ABOVERIGHT);
    2064             : #endif  // CONFIG_EXT_INTRA || CONFIG_FILTER_INTRA
    2065           0 :     if (n_top_px > 0) {
    2066           0 :       memcpy(above_row, above_ref, n_top_px * sizeof(above_ref[0]));
    2067           0 :       i = n_top_px;
    2068           0 :       if (need_right && n_topright_px > 0) {
    2069           0 :         assert(n_top_px == bs);
    2070           0 :         memcpy(above_row + bs, above_ref + bs,
    2071             :                n_topright_px * sizeof(above_ref[0]));
    2072           0 :         i += n_topright_px;
    2073             :       }
    2074           0 :       if (i < (bs << need_right))
    2075           0 :         aom_memset16(&above_row[i], above_row[i - 1], (bs << need_right) - i);
    2076             :     } else {
    2077             : #if CONFIG_INTRA_EDGE
    2078             :       if (n_left_px > 0) {
    2079             :         aom_memset16(above_row, ref[-1], bs << need_right);
    2080             :       } else {
    2081             : #endif
    2082           0 :         aom_memset16(above_row, base - 1, bs << need_right);
    2083             : #if CONFIG_INTRA_EDGE
    2084             :       }
    2085             : #endif
    2086             :     }
    2087             :   }
    2088             : 
    2089           0 :   if (need_above_left) {
    2090             : #if CONFIG_INTRA_EDGE
    2091             :     if (n_top_px > 0 && n_left_px > 0) {
    2092             :       above_row[-1] = above_ref[-1];
    2093             :     } else if (n_top_px > 0) {
    2094             :       above_row[-1] = above_ref[0];
    2095             :     } else if (n_left_px > 0) {
    2096             :       above_row[-1] = ref[-1];
    2097             :     } else {
    2098             :       above_row[-1] = base;
    2099             :     }
    2100             : #else
    2101           0 :     above_row[-1] =
    2102           0 :         n_top_px > 0 ? (n_left_px > 0 ? above_ref[-1] : base + 1) : base - 1;
    2103             : #endif
    2104           0 :     left_col[-1] = above_row[-1];
    2105             :   }
    2106             : 
    2107             : #if CONFIG_EXT_INTRA && CONFIG_INTRA_EDGE
    2108             :   if (is_dr_mode && p_angle != 90 && p_angle != 180) {
    2109             :     const int ab_le = need_above_left ? 1 : 0;
    2110             :     if (need_above && n_top_px > 0) {
    2111             :       const int strength = intra_edge_filter_strength(bs, p_angle - 90);
    2112             :       const int need_right = p_angle < 90;
    2113             :       const int n_px = n_top_px + ab_le + (need_right ? n_topright_px : 0);
    2114             :       filter_intra_edge_high(above_row - ab_le, n_px, strength);
    2115             :     }
    2116             :     if (need_left && n_left_px > 0) {
    2117             :       const int strength = intra_edge_filter_strength(bs, p_angle - 180);
    2118             :       const int need_bottom = p_angle > 180;
    2119             :       const int n_px = n_left_px + ab_le + (need_bottom ? n_bottomleft_px : 0);
    2120             :       filter_intra_edge_high(left_col - ab_le, n_px, strength);
    2121             :     }
    2122             :   }
    2123             : #endif
    2124             : 
    2125             : #if CONFIG_FILTER_INTRA
    2126             :   if (filter_intra_mode_info->use_filter_intra_mode[plane != 0]) {
    2127             :     highbd_filter_intra_predictors(filter_intra_mode, dst, dst_stride, bs,
    2128             :                                    above_row, left_col, xd->bd);
    2129             :     return;
    2130             :   }
    2131             : #endif  // CONFIG_FILTER_INTRA
    2132             : 
    2133             : #if CONFIG_EXT_INTRA
    2134           0 :   if (is_dr_mode) {
    2135             : #if CONFIG_INTRA_INTERP
    2136             :     INTRA_FILTER filter = INTRA_FILTER_LINEAR;
    2137             :     if (plane == 0 && av1_is_intra_filter_switchable(p_angle))
    2138             :       filter = xd->mi[0]->mbmi.intra_filter;
    2139             : #endif  // CONFIG_INTRA_INTERP
    2140           0 :     highbd_dr_predictor(dst, dst_stride, bs, above_row, left_col,
    2141             : #if CONFIG_INTRA_INTERP
    2142             :                         filter,
    2143             : #endif  // CONFIG_INTRA_INTERP
    2144             :                         p_angle, xd->bd);
    2145           0 :     return;
    2146             :   }
    2147             : #endif  // CONFIG_EXT_INTRA
    2148             : 
    2149             :   // predict
    2150           0 :   if (mode == DC_PRED) {
    2151           0 :     dc_pred_high[n_left_px > 0][n_top_px > 0][tx_size](
    2152             :         dst, dst_stride, above_row, left_col, xd->bd);
    2153             :   } else {
    2154           0 :     pred_high[mode][tx_size](dst, dst_stride, above_row, left_col, xd->bd);
    2155             :   }
    2156             : }
    2157             : #endif  // CONFIG_HIGHBITDEPTH
    2158             : 
    2159           0 : static void build_intra_predictors(const MACROBLOCKD *xd, const uint8_t *ref,
    2160             :                                    int ref_stride, uint8_t *dst, int dst_stride,
    2161             :                                    PREDICTION_MODE mode, TX_SIZE tx_size,
    2162             :                                    int n_top_px, int n_topright_px,
    2163             :                                    int n_left_px, int n_bottomleft_px,
    2164             :                                    int plane) {
    2165             :   int i;
    2166           0 :   const uint8_t *above_ref = ref - ref_stride;
    2167             :   DECLARE_ALIGNED(16, uint8_t, left_data[MAX_TX_SIZE * 2 + 16]);
    2168             :   DECLARE_ALIGNED(16, uint8_t, above_data[MAX_TX_SIZE * 2 + 16]);
    2169           0 :   uint8_t *const above_row = above_data + 16;
    2170           0 :   uint8_t *const left_col = left_data + 16;
    2171           0 :   const int bs = tx_size_wide[tx_size];
    2172           0 :   int need_left = extend_modes[mode] & NEED_LEFT;
    2173           0 :   int need_above = extend_modes[mode] & NEED_ABOVE;
    2174           0 :   int need_above_left = extend_modes[mode] & NEED_ABOVELEFT;
    2175             : #if CONFIG_EXT_INTRA
    2176           0 :   int p_angle = 0;
    2177           0 :   const MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi;
    2178           0 :   const int is_dr_mode = av1_is_directional_mode(mode, mbmi->sb_type);
    2179             : #endif  // CONFIG_EXT_INTRA
    2180             : #if CONFIG_FILTER_INTRA
    2181             :   const FILTER_INTRA_MODE_INFO *filter_intra_mode_info =
    2182             :       &xd->mi[0]->mbmi.filter_intra_mode_info;
    2183             :   const FILTER_INTRA_MODE filter_intra_mode =
    2184             :       filter_intra_mode_info->filter_intra_mode[plane != 0];
    2185             : #endif  // CONFIG_FILTER_INTRA
    2186           0 :   assert(tx_size_wide[tx_size] == tx_size_high[tx_size]);
    2187             : 
    2188             :   // 127 127 127 .. 127 127 127 127 127 127
    2189             :   // 129  A   B  ..  Y   Z
    2190             :   // 129  C   D  ..  W   X
    2191             :   // 129  E   F  ..  U   V
    2192             :   // 129  G   H  ..  S   T   T   T   T   T
    2193             :   // ..
    2194           0 :   memset(left_data, 129, sizeof(left_data));
    2195             : 
    2196             : #if CONFIG_EXT_INTRA
    2197           0 :   if (is_dr_mode) {
    2198           0 :     p_angle = mode_to_angle_map[mode] +
    2199           0 :               xd->mi[0]->mbmi.angle_delta[plane != 0] * ANGLE_STEP;
    2200           0 :     if (p_angle <= 90)
    2201           0 :       need_above = 1, need_left = 0, need_above_left = 1;
    2202           0 :     else if (p_angle < 180)
    2203           0 :       need_above = 1, need_left = 1, need_above_left = 1;
    2204             :     else
    2205           0 :       need_above = 0, need_left = 1, need_above_left = 1;
    2206             :   }
    2207             : #endif  // CONFIG_EXT_INTRA
    2208             : #if CONFIG_FILTER_INTRA
    2209             :   if (filter_intra_mode_info->use_filter_intra_mode[plane != 0])
    2210             :     need_left = need_above = need_above_left = 1;
    2211             : #endif  // CONFIG_FILTER_INTRA
    2212             : 
    2213             :   (void)xd;
    2214             :   (void)plane;
    2215           0 :   assert(n_top_px >= 0);
    2216           0 :   assert(n_topright_px >= 0);
    2217           0 :   assert(n_left_px >= 0);
    2218           0 :   assert(n_bottomleft_px >= 0);
    2219             : 
    2220           0 :   if ((!need_above && n_left_px == 0) || (!need_left && n_top_px == 0)) {
    2221             : #if CONFIG_INTRA_EDGE
    2222             :     int val;
    2223             :     if (need_left) {
    2224             :       val = (n_top_px > 0) ? above_ref[0] : 129;
    2225             :     } else {
    2226             :       val = (n_left_px > 0) ? ref[-1] : 127;
    2227             :     }
    2228             : #else
    2229           0 :     const int val = need_left ? 129 : 127;
    2230             : #endif
    2231           0 :     for (i = 0; i < bs; ++i) {
    2232           0 :       memset(dst, val, bs);
    2233           0 :       dst += dst_stride;
    2234             :     }
    2235           0 :     return;
    2236             :   }
    2237             : 
    2238             :   // NEED_LEFT
    2239           0 :   if (need_left) {
    2240             : #if CONFIG_EXT_INTRA || CONFIG_FILTER_INTRA
    2241           0 :     int need_bottom = !!(extend_modes[mode] & NEED_BOTTOMLEFT);
    2242             : #if CONFIG_FILTER_INTRA
    2243             :     if (filter_intra_mode_info->use_filter_intra_mode[plane != 0])
    2244             :       need_bottom = 0;
    2245             : #endif  // CONFIG_FILTER_INTRA
    2246             : #if CONFIG_EXT_INTRA
    2247           0 :     if (is_dr_mode) need_bottom = p_angle > 180;
    2248             : #endif  // CONFIG_EXT_INTRA
    2249             : #else
    2250             :     const int need_bottom = !!(extend_modes[mode] & NEED_BOTTOMLEFT);
    2251             : #endif  // CONFIG_EXT_INTRA || CONFIG_FILTER_INTRA
    2252           0 :     i = 0;
    2253           0 :     if (n_left_px > 0) {
    2254           0 :       for (; i < n_left_px; i++) left_col[i] = ref[i * ref_stride - 1];
    2255           0 :       if (need_bottom && n_bottomleft_px > 0) {
    2256           0 :         assert(i == bs);
    2257           0 :         for (; i < bs + n_bottomleft_px; i++)
    2258           0 :           left_col[i] = ref[i * ref_stride - 1];
    2259             :       }
    2260           0 :       if (i < (bs << need_bottom))
    2261           0 :         memset(&left_col[i], left_col[i - 1], (bs << need_bottom) - i);
    2262             :     } else {
    2263             : #if CONFIG_INTRA_EDGE
    2264             :       if (n_top_px > 0) {
    2265             :         memset(left_col, above_ref[0], bs << need_bottom);
    2266             :       } else {
    2267             : #endif
    2268           0 :         memset(left_col, 129, bs << need_bottom);
    2269             : #if CONFIG_INTRA_EDGE
    2270             :       }
    2271             : #endif
    2272             :     }
    2273             :   }
    2274             : 
    2275             :   // NEED_ABOVE
    2276           0 :   if (need_above) {
    2277             : #if CONFIG_EXT_INTRA || CONFIG_FILTER_INTRA
    2278           0 :     int need_right = !!(extend_modes[mode] & NEED_ABOVERIGHT);
    2279             : #if CONFIG_FILTER_INTRA
    2280             :     if (filter_intra_mode_info->use_filter_intra_mode[plane != 0])
    2281             :       need_right = 1;
    2282             : #endif  // CONFIG_FILTER_INTRA
    2283             : #if CONFIG_EXT_INTRA
    2284           0 :     if (is_dr_mode) need_right = p_angle < 90;
    2285             : #endif  // CONFIG_EXT_INTRA
    2286             : #else
    2287             :     const int need_right = !!(extend_modes[mode] & NEED_ABOVERIGHT);
    2288             : #endif  // CONFIG_EXT_INTRA || CONFIG_FITLER_INTRA
    2289           0 :     if (n_top_px > 0) {
    2290           0 :       memcpy(above_row, above_ref, n_top_px);
    2291           0 :       i = n_top_px;
    2292           0 :       if (need_right && n_topright_px > 0) {
    2293           0 :         assert(n_top_px == bs);
    2294           0 :         memcpy(above_row + bs, above_ref + bs, n_topright_px);
    2295           0 :         i += n_topright_px;
    2296             :       }
    2297           0 :       if (i < (bs << need_right))
    2298           0 :         memset(&above_row[i], above_row[i - 1], (bs << need_right) - i);
    2299             :     } else {
    2300             : #if CONFIG_INTRA_EDGE
    2301             :       if (n_left_px > 0) {
    2302             :         memset(above_row, ref[-1], bs << need_right);
    2303             :       } else {
    2304             : #endif
    2305           0 :         memset(above_row, 127, bs << need_right);
    2306             : #if CONFIG_INTRA_EDGE
    2307             :       }
    2308             : #endif
    2309             :     }
    2310             :   }
    2311             : 
    2312           0 :   if (need_above_left) {
    2313             : #if CONFIG_INTRA_EDGE
    2314             :     if (n_top_px > 0 && n_left_px > 0) {
    2315             :       above_row[-1] = above_ref[-1];
    2316             :     } else if (n_top_px > 0) {
    2317             :       above_row[-1] = above_ref[0];
    2318             :     } else if (n_left_px > 0) {
    2319             :       above_row[-1] = ref[-1];
    2320             :     } else {
    2321             :       above_row[-1] = 128;
    2322             :     }
    2323             : #else
    2324           0 :     above_row[-1] = n_top_px > 0 ? (n_left_px > 0 ? above_ref[-1] : 129) : 127;
    2325             : #endif
    2326           0 :     left_col[-1] = above_row[-1];
    2327             :   }
    2328             : 
    2329             : #if CONFIG_EXT_INTRA && CONFIG_INTRA_EDGE
    2330             :   if (is_dr_mode && p_angle != 90 && p_angle != 180) {
    2331             :     const int ab_le = need_above_left ? 1 : 0;
    2332             :     if (need_above && n_top_px > 0) {
    2333             :       const int strength = intra_edge_filter_strength(bs, p_angle - 90);
    2334             :       const int need_right = p_angle < 90;
    2335             :       const int n_px = n_top_px + ab_le + (need_right ? n_topright_px : 0);
    2336             :       filter_intra_edge(above_row - ab_le, n_px, strength);
    2337             :     }
    2338             :     if (need_left && n_left_px > 0) {
    2339             :       const int strength = intra_edge_filter_strength(bs, p_angle - 180);
    2340             :       const int need_bottom = p_angle > 180;
    2341             :       const int n_px = n_left_px + ab_le + (need_bottom ? n_bottomleft_px : 0);
    2342             :       filter_intra_edge(left_col - ab_le, n_px, strength);
    2343             :     }
    2344             :   }
    2345             : #endif
    2346             : 
    2347             : #if CONFIG_FILTER_INTRA
    2348             :   if (filter_intra_mode_info->use_filter_intra_mode[plane != 0]) {
    2349             :     filter_intra_predictors(filter_intra_mode, dst, dst_stride, bs, above_row,
    2350             :                             left_col);
    2351             :     return;
    2352             :   }
    2353             : #endif  // CONFIG_FILTER_INTRA
    2354             : #if CONFIG_EXT_INTRA
    2355           0 :   if (is_dr_mode) {
    2356             : #if CONFIG_INTRA_INTERP
    2357             :     INTRA_FILTER filter = INTRA_FILTER_LINEAR;
    2358             :     if (plane == 0 && av1_is_intra_filter_switchable(p_angle))
    2359             :       filter = xd->mi[0]->mbmi.intra_filter;
    2360             : #endif  // CONFIG_INTRA_INTERP
    2361           0 :     dr_predictor(dst, dst_stride, tx_size, above_row, left_col,
    2362             : #if CONFIG_INTRA_INTERP
    2363             :                  filter,
    2364             : #endif  // CONFIG_INTRA_INTERP
    2365             :                  p_angle);
    2366           0 :     return;
    2367             :   }
    2368             : #endif  // CONFIG_EXT_INTRA
    2369             : 
    2370             :   // predict
    2371           0 :   if (mode == DC_PRED) {
    2372             : #if CONFIG_CFL
    2373             :     // CFL predict its own DC_PRED for Chromatic planes
    2374             :     if (plane == AOM_PLANE_Y) {
    2375             : #endif
    2376           0 :       dc_pred[n_left_px > 0][n_top_px > 0][tx_size](dst, dst_stride, above_row,
    2377             :                                                     left_col);
    2378             : #if CONFIG_CFL
    2379             :     }
    2380             : #endif
    2381             : 
    2382             :   } else {
    2383           0 :     pred[mode][tx_size](dst, dst_stride, above_row, left_col);
    2384             :   }
    2385             : }
    2386             : 
    2387           0 : static void predict_square_intra_block(const MACROBLOCKD *xd, int wpx, int hpx,
    2388             :                                        TX_SIZE tx_size, PREDICTION_MODE mode,
    2389             :                                        const uint8_t *ref, int ref_stride,
    2390             :                                        uint8_t *dst, int dst_stride,
    2391             :                                        int col_off, int row_off, int plane) {
    2392           0 :   BLOCK_SIZE bsize = xd->mi[0]->mbmi.sb_type;
    2393           0 :   const struct macroblockd_plane *const pd = &xd->plane[plane];
    2394           0 :   const int txw = tx_size_wide_unit[tx_size];
    2395             : #if CONFIG_CB4X4 && CONFIG_CHROMA_SUB8X8
    2396           0 :   const int have_top = row_off || (pd->subsampling_y ? xd->chroma_up_available
    2397           0 :                                                      : xd->up_available);
    2398           0 :   const int have_left =
    2399           0 :       col_off ||
    2400           0 :       (pd->subsampling_x ? xd->chroma_left_available : xd->left_available);
    2401             : #else
    2402             :   const int have_top = row_off || xd->up_available;
    2403             :   const int have_left = col_off || xd->left_available;
    2404             : #endif
    2405           0 :   const int x = col_off << tx_size_wide_log2[0];
    2406           0 :   const int y = row_off << tx_size_high_log2[0];
    2407           0 :   const int mi_row = -xd->mb_to_top_edge >> (3 + MI_SIZE_LOG2);
    2408           0 :   const int mi_col = -xd->mb_to_left_edge >> (3 + MI_SIZE_LOG2);
    2409           0 :   const int txwpx = tx_size_wide[tx_size];
    2410           0 :   const int txhpx = tx_size_high[tx_size];
    2411             : #if CONFIG_CB4X4 && !CONFIG_CHROMA_2X2
    2412           0 :   const int xr_chr_offset = (pd->subsampling_x && bsize < BLOCK_8X8) ? 2 : 0;
    2413           0 :   const int yd_chr_offset = (pd->subsampling_y && bsize < BLOCK_8X8) ? 2 : 0;
    2414             : #else
    2415             :   const int xr_chr_offset = 0;
    2416             :   const int yd_chr_offset = 0;
    2417             : #endif
    2418             : 
    2419             :   // Distance between the right edge of this prediction block to
    2420             :   // the frame right edge
    2421           0 :   const int xr = (xd->mb_to_right_edge >> (3 + pd->subsampling_x)) +
    2422           0 :                  (wpx - x - txwpx) - xr_chr_offset;
    2423             :   // Distance between the bottom edge of this prediction block to
    2424             :   // the frame bottom edge
    2425           0 :   const int yd = (xd->mb_to_bottom_edge >> (3 + pd->subsampling_y)) +
    2426           0 :                  (hpx - y - txhpx) - yd_chr_offset;
    2427           0 :   const int right_available = mi_col + ((col_off + txw) << pd->subsampling_x >>
    2428           0 :                                         (MI_SIZE_LOG2 - tx_size_wide_log2[0])) <
    2429           0 :                               xd->tile.mi_col_end;
    2430           0 :   const int bottom_available = (yd > 0);
    2431             : #if CONFIG_EXT_PARTITION_TYPES
    2432             :   const PARTITION_TYPE partition = xd->mi[0]->mbmi.partition;
    2433             : #endif
    2434             : 
    2435             : #if CONFIG_CB4X4 && !CONFIG_CHROMA_2X2
    2436             :   // force 4x4 chroma component block size.
    2437           0 :   bsize = scale_chroma_bsize(bsize, pd->subsampling_x, pd->subsampling_y);
    2438             : #endif
    2439             : 
    2440           0 :   const int have_top_right =
    2441           0 :       has_top_right(bsize, mi_row, mi_col, have_top, right_available,
    2442             : #if CONFIG_EXT_PARTITION_TYPES
    2443             :                     partition,
    2444             : #endif
    2445             :                     tx_size, row_off, col_off, pd->subsampling_x);
    2446           0 :   const int have_bottom_left =
    2447           0 :       has_bottom_left(bsize, mi_row, mi_col, bottom_available, have_left,
    2448             :                       tx_size, row_off, col_off, pd->subsampling_y);
    2449           0 :   assert(txwpx == txhpx);
    2450             : 
    2451             : #if CONFIG_PALETTE
    2452           0 :   if (xd->mi[0]->mbmi.palette_mode_info.palette_size[plane != 0] > 0) {
    2453           0 :     const int bs = tx_size_wide[tx_size];
    2454           0 :     const int stride = wpx;
    2455             :     int r, c;
    2456           0 :     const uint8_t *const map = xd->plane[plane != 0].color_index_map;
    2457           0 :     uint16_t *palette = xd->mi[0]->mbmi.palette_mode_info.palette_colors +
    2458             :                         plane * PALETTE_MAX_SIZE;
    2459             : 
    2460             : #if CONFIG_HIGHBITDEPTH
    2461           0 :     if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
    2462           0 :       uint16_t *dst16 = CONVERT_TO_SHORTPTR(dst);
    2463           0 :       for (r = 0; r < bs; ++r) {
    2464           0 :         for (c = 0; c < bs; ++c) {
    2465           0 :           dst16[r * dst_stride + c] = palette[map[(r + y) * stride + c + x]];
    2466             :         }
    2467             :       }
    2468             :     } else {
    2469             : #endif  // CONFIG_HIGHBITDEPTH
    2470           0 :       for (r = 0; r < bs; ++r) {
    2471           0 :         for (c = 0; c < bs; ++c) {
    2472           0 :           dst[r * dst_stride + c] =
    2473           0 :               (uint8_t)palette[map[(r + y) * stride + c + x]];
    2474             :         }
    2475             :       }
    2476             : #if CONFIG_HIGHBITDEPTH
    2477             :     }
    2478             : #endif  // CONFIG_HIGHBITDEPTH
    2479           0 :     return;
    2480             :   }
    2481             : #endif  // CONFIG_PALETTE
    2482             : 
    2483             : #if CONFIG_HIGHBITDEPTH
    2484           0 :   if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
    2485           0 :     build_intra_predictors_high(
    2486             :         xd, ref, ref_stride, dst, dst_stride, mode, tx_size,
    2487           0 :         have_top ? AOMMIN(txwpx, xr + txwpx) : 0,
    2488             :         have_top_right ? AOMMIN(txwpx, xr) : 0,
    2489           0 :         have_left ? AOMMIN(txhpx, yd + txhpx) : 0,
    2490             :         have_bottom_left ? AOMMIN(txhpx, yd) : 0, plane);
    2491           0 :     return;
    2492             :   }
    2493             : #endif
    2494           0 :   build_intra_predictors(xd, ref, ref_stride, dst, dst_stride, mode, tx_size,
    2495           0 :                          have_top ? AOMMIN(txwpx, xr + txwpx) : 0,
    2496             :                          have_top_right ? AOMMIN(txwpx, xr) : 0,
    2497           0 :                          have_left ? AOMMIN(txhpx, yd + txhpx) : 0,
    2498             :                          have_bottom_left ? AOMMIN(txhpx, yd) : 0, plane);
    2499             : }
    2500             : 
    2501           0 : void av1_predict_intra_block_facade(MACROBLOCKD *xd, int plane, int block_idx,
    2502             :                                     int blk_col, int blk_row, TX_SIZE tx_size) {
    2503           0 :   struct macroblockd_plane *const pd = &xd->plane[plane];
    2504           0 :   const int dst_stride = pd->dst.stride;
    2505           0 :   uint8_t *dst =
    2506           0 :       &pd->dst.buf[(blk_row * dst_stride + blk_col) << tx_size_wide_log2[0]];
    2507           0 :   const MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi;
    2508           0 :   const int block_raster_idx =
    2509           0 :       av1_block_index_to_raster_order(tx_size, block_idx);
    2510           0 :   const PREDICTION_MODE mode =
    2511           0 :       (plane == 0) ? get_y_mode(xd->mi[0], block_raster_idx) : mbmi->uv_mode;
    2512           0 :   av1_predict_intra_block(xd, pd->width, pd->height, txsize_to_bsize[tx_size],
    2513             :                           mode, dst, dst_stride, dst, dst_stride, blk_col,
    2514             :                           blk_row, plane);
    2515             : #if CONFIG_CFL
    2516             :   if (plane != AOM_PLANE_Y && mbmi->uv_mode == DC_PRED) {
    2517             :     if (plane == AOM_PLANE_U && blk_col == 0 && blk_row == 0) {
    2518             :       // Compute the block-level DC_PRED for both chromatic planes prior to
    2519             :       // processing the first chromatic plane in order to compute alpha_cb and
    2520             :       // alpha_cr. Note: This is not required on the decoder side because alpha
    2521             :       // is signaled.
    2522             :       cfl_dc_pred(xd, get_plane_block_size(block_idx, pd), tx_size);
    2523             :     }
    2524             : 
    2525             :     cfl_predict_block(
    2526             :         xd->cfl, dst, pd->dst.stride, blk_row, blk_col, tx_size,
    2527             :         xd->cfl->dc_pred[plane - 1],
    2528             :         cfl_idx_to_alpha(mbmi->cfl_alpha_idx, mbmi->cfl_alpha_signs[plane - 1],
    2529             :                          plane - 1));
    2530             :   }
    2531             : #endif
    2532           0 : }
    2533             : 
    2534           0 : void av1_predict_intra_block(const MACROBLOCKD *xd, int wpx, int hpx,
    2535             :                              BLOCK_SIZE bsize, PREDICTION_MODE mode,
    2536             :                              const uint8_t *ref, int ref_stride, uint8_t *dst,
    2537             :                              int dst_stride, int col_off, int row_off,
    2538             :                              int plane) {
    2539           0 :   const int block_width = block_size_wide[bsize];
    2540           0 :   const int block_height = block_size_high[bsize];
    2541           0 :   TX_SIZE tx_size = max_txsize_lookup[bsize];
    2542           0 :   assert(tx_size < TX_SIZES);
    2543           0 :   if (block_width == block_height) {
    2544           0 :     predict_square_intra_block(xd, wpx, hpx, tx_size, mode, ref, ref_stride,
    2545             :                                dst, dst_stride, col_off, row_off, plane);
    2546             :   } else {
    2547             : #if (CONFIG_RECT_TX && (CONFIG_VAR_TX || CONFIG_EXT_TX)) || (CONFIG_EXT_INTER)
    2548             : #if CONFIG_HIGHBITDEPTH
    2549             :     uint16_t tmp16[MAX_SB_SIZE];
    2550             : #endif
    2551             :     uint8_t tmp[MAX_SB_SIZE];
    2552           0 :     assert((block_width == wpx && block_height == hpx) ||
    2553             :            (block_width == (wpx >> 1) && block_height == hpx) ||
    2554             :            (block_width == wpx && block_height == (hpx >> 1)));
    2555             : 
    2556           0 :     if (block_width < block_height) {
    2557           0 :       assert(block_height == (block_width << 1));
    2558             :       // Predict the top square sub-block.
    2559           0 :       predict_square_intra_block(xd, wpx, hpx, tx_size, mode, ref, ref_stride,
    2560             :                                  dst, dst_stride, col_off, row_off, plane);
    2561             :       {
    2562           0 :         const int half_block_height = block_height >> 1;
    2563           0 :         const int half_block_height_unit =
    2564           0 :             half_block_height >> tx_size_wide_log2[0];
    2565             :         // Cast away const to modify 'ref' temporarily; will be restored later.
    2566           0 :         uint8_t *src_2 = (uint8_t *)ref + half_block_height * ref_stride;
    2567           0 :         uint8_t *dst_2 = dst + half_block_height * dst_stride;
    2568           0 :         const int row_off_2 = row_off + half_block_height_unit;
    2569             :         // Save the last row of top square sub-block as 'above' row for bottom
    2570             :         // square sub-block.
    2571           0 :         if (src_2 != dst_2 || ref_stride != dst_stride) {
    2572             : #if CONFIG_HIGHBITDEPTH
    2573           0 :           if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
    2574           0 :             uint16_t *src_2_16 = CONVERT_TO_SHORTPTR(src_2);
    2575           0 :             uint16_t *dst_2_16 = CONVERT_TO_SHORTPTR(dst_2);
    2576           0 :             memcpy(tmp16, src_2_16 - ref_stride,
    2577             :                    block_width * sizeof(*src_2_16));
    2578           0 :             memcpy(src_2_16 - ref_stride, dst_2_16 - dst_stride,
    2579             :                    block_width * sizeof(*src_2_16));
    2580             :           } else {
    2581             : #endif  // CONFIG_HIGHBITDEPTH
    2582           0 :             memcpy(tmp, src_2 - ref_stride, block_width * sizeof(*src_2));
    2583           0 :             memcpy(src_2 - ref_stride, dst_2 - dst_stride,
    2584             :                    block_width * sizeof(*src_2));
    2585             : #if CONFIG_HIGHBITDEPTH
    2586             :           }
    2587             : #endif  // CONFIG_HIGHBITDEPTH
    2588             :         }
    2589             :         // Predict the bottom square sub-block.
    2590           0 :         predict_square_intra_block(xd, wpx, hpx, tx_size, mode, src_2,
    2591             :                                    ref_stride, dst_2, dst_stride, col_off,
    2592             :                                    row_off_2, plane);
    2593             :         // Restore the last row of top square sub-block.
    2594           0 :         if (src_2 != dst_2 || ref_stride != dst_stride) {
    2595             : #if CONFIG_HIGHBITDEPTH
    2596           0 :           if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
    2597           0 :             uint16_t *src_2_16 = CONVERT_TO_SHORTPTR(src_2);
    2598           0 :             memcpy(src_2_16 - ref_stride, tmp16,
    2599             :                    block_width * sizeof(*src_2_16));
    2600             :           } else {
    2601             : #endif  // CONFIG_HIGHBITDEPTH
    2602           0 :             memcpy(src_2 - ref_stride, tmp, block_width * sizeof(*src_2));
    2603             : #if CONFIG_HIGHBITDEPTH
    2604             :           }
    2605             : #endif  // CONFIG_HIGHBITDEPTH
    2606             :         }
    2607             :       }
    2608             :     } else {  // block_width > block_height
    2609           0 :       assert(block_width == (block_height << 1));
    2610             :       // Predict the left square sub-block
    2611           0 :       predict_square_intra_block(xd, wpx, hpx, tx_size, mode, ref, ref_stride,
    2612             :                                  dst, dst_stride, col_off, row_off, plane);
    2613             :       {
    2614             :         int i;
    2615           0 :         const int half_block_width = block_width >> 1;
    2616           0 :         const int half_block_width_unit =
    2617           0 :             half_block_width >> tx_size_wide_log2[0];
    2618             :         // Cast away const to modify 'ref' temporarily; will be restored later.
    2619           0 :         uint8_t *src_2 = (uint8_t *)ref + half_block_width;
    2620           0 :         uint8_t *dst_2 = dst + half_block_width;
    2621           0 :         const int col_off_2 = col_off + half_block_width_unit;
    2622             :         // Save the last column of left square sub-block as 'left' column for
    2623             :         // right square sub-block.
    2624           0 :         const int save_src = src_2 != dst_2 || ref_stride != dst_stride;
    2625           0 :         if (save_src) {
    2626             : #if CONFIG_HIGHBITDEPTH
    2627           0 :           if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
    2628           0 :             uint16_t *src_2_16 = CONVERT_TO_SHORTPTR(src_2);
    2629           0 :             uint16_t *dst_2_16 = CONVERT_TO_SHORTPTR(dst_2);
    2630           0 :             for (i = 0; i < block_height; ++i) {
    2631           0 :               tmp16[i] = src_2_16[i * ref_stride - 1];
    2632           0 :               src_2_16[i * ref_stride - 1] = dst_2_16[i * dst_stride - 1];
    2633             :             }
    2634             :           } else {
    2635             : #endif  // CONFIG_HIGHBITDEPTH
    2636           0 :             for (i = 0; i < block_height; ++i) {
    2637           0 :               tmp[i] = src_2[i * ref_stride - 1];
    2638           0 :               src_2[i * ref_stride - 1] = dst_2[i * dst_stride - 1];
    2639             :             }
    2640             : #if CONFIG_HIGHBITDEPTH
    2641             :           }
    2642             : #endif  // CONFIG_HIGHBITDEPTH
    2643             :         }
    2644             :         // Predict the right square sub-block.
    2645           0 :         predict_square_intra_block(xd, wpx, hpx, tx_size, mode, src_2,
    2646             :                                    ref_stride, dst_2, dst_stride, col_off_2,
    2647             :                                    row_off, plane);
    2648             :         // Restore the last column of left square sub-block.
    2649           0 :         if (save_src) {
    2650             : #if CONFIG_HIGHBITDEPTH
    2651           0 :           if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) {
    2652           0 :             uint16_t *src_2_16 = CONVERT_TO_SHORTPTR(src_2);
    2653           0 :             for (i = 0; i < block_height; ++i) {
    2654           0 :               src_2_16[i * ref_stride - 1] = tmp16[i];
    2655             :             }
    2656             :           } else {
    2657             : #endif  // CONFIG_HIGHBITDEPTH
    2658           0 :             for (i = 0; i < block_height; ++i) {
    2659           0 :               src_2[i * ref_stride - 1] = tmp[i];
    2660             :             }
    2661             : #if CONFIG_HIGHBITDEPTH
    2662             :           }
    2663             : #endif  // CONFIG_HIGHBITDEPTH
    2664             :         }
    2665             :       }
    2666             :     }
    2667             : #else
    2668             :     assert(0);
    2669             : #endif  // (CONFIG_RECT_TX && (CONFIG_VAR_TX || CONFIG_EXT_TX)) ||
    2670             :         // (CONFIG_EXT_INTER)
    2671             :   }
    2672           0 : }
    2673             : 
    2674           0 : void av1_init_intra_predictors(void) {
    2675           0 :   once(av1_init_intra_predictors_internal);
    2676           0 : }

Generated by: LCOV version 1.13