reconintra.c 97.1 KB
Newer Older
Jingning Han's avatar
Jingning Han committed
1
/*
Yaowu Xu's avatar
Yaowu Xu committed
2
 * Copyright (c) 2016, Alliance for Open Media. All rights reserved
Jingning Han's avatar
Jingning Han committed
3
 *
Yaowu Xu's avatar
Yaowu Xu committed
4 5 6 7 8 9
 * This source code is subject to the terms of the BSD 2 Clause License and
 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
 * was not distributed with this source code in the LICENSE file, you can
 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
 * Media Patent License 1.0 was not distributed with this source code in the
 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
Jingning Han's avatar
Jingning Han committed
10 11
 */

hui su's avatar
hui su committed
12 13
#include <math.h>

Yaowu Xu's avatar
Yaowu Xu committed
14 15 16
#include "./av1_rtcd.h"
#include "./aom_config.h"
#include "./aom_dsp_rtcd.h"
17
#include "aom_ports/system_state.h"
Jingning Han's avatar
Jingning Han committed
18

19
#if CONFIG_HIGHBITDEPTH
Yaowu Xu's avatar
Yaowu Xu committed
20
#include "aom_dsp/aom_dsp_common.h"
21
#endif  // CONFIG_HIGHBITDEPTH
Yaowu Xu's avatar
Yaowu Xu committed
22
#include "aom_mem/aom_mem.h"
23
#include "aom_ports/mem.h"
Yaowu Xu's avatar
Yaowu Xu committed
24
#include "aom_ports/aom_once.h"
25 26
#include "av1/common/reconintra.h"
#include "av1/common/onyxc_int.h"
Luc Trudeau's avatar
Luc Trudeau committed
27 28 29
#if CONFIG_CFL
#include "av1/common/cfl.h"
#endif
Jingning Han's avatar
Jingning Han committed
30

31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48
enum {
  NEED_LEFT = 1 << 1,
  NEED_ABOVE = 1 << 2,
  NEED_ABOVERIGHT = 1 << 3,
  NEED_ABOVELEFT = 1 << 4,
  NEED_BOTTOMLEFT = 1 << 5,
};

static const uint8_t extend_modes[INTRA_MODES] = {
  NEED_ABOVE | NEED_LEFT,                   // DC
  NEED_ABOVE,                               // V
  NEED_LEFT,                                // H
  NEED_ABOVE | NEED_ABOVERIGHT,             // D45
  NEED_LEFT | NEED_ABOVE | NEED_ABOVELEFT,  // D135
  NEED_LEFT | NEED_ABOVE | NEED_ABOVELEFT,  // D117
  NEED_LEFT | NEED_ABOVE | NEED_ABOVELEFT,  // D153
  NEED_LEFT | NEED_BOTTOMLEFT,              // D207
  NEED_ABOVE | NEED_ABOVERIGHT,             // D63
49
#if CONFIG_ALT_INTRA
Urvang Joshi's avatar
Urvang Joshi committed
50 51 52 53 54
  NEED_LEFT | NEED_ABOVE,  // SMOOTH
#if CONFIG_SMOOTH_HV
  NEED_LEFT | NEED_ABOVE,                   // SMOOTH_V
  NEED_LEFT | NEED_ABOVE,                   // SMOOTH_H
#endif                                      // CONFIG_SMOOTH_HV
55
#endif                                      // CONFIG_ALT_INTRA
56 57
  NEED_LEFT | NEED_ABOVE | NEED_ABOVELEFT,  // TM
};
Jingning Han's avatar
Jingning Han committed
58

59 60 61 62
static const uint16_t orders_128x128[1] = { 0 };
static const uint16_t orders_128x64[2] = { 0, 1 };
static const uint16_t orders_64x128[2] = { 0, 1 };
static const uint16_t orders_64x64[4] = {
clang-format's avatar
clang-format committed
63
  0, 1, 2, 3,
64
};
65
static const uint16_t orders_64x32[8] = {
clang-format's avatar
clang-format committed
66
  0, 2, 1, 3, 4, 6, 5, 7,
67
};
68
static const uint16_t orders_32x64[8] = {
clang-format's avatar
clang-format committed
69
  0, 1, 2, 3, 4, 5, 6, 7,
70
};
71
static const uint16_t orders_32x32[16] = {
clang-format's avatar
clang-format committed
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] = {
clang-format's avatar
clang-format committed
75 76
  0,  2,  8,  10, 1,  3,  9,  11, 4,  6,  12, 14, 5,  7,  13, 15,
  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] = {
clang-format's avatar
clang-format committed
79 80
  0,  1,  2,  3,  8,  9,  10, 11, 4,  5,  6,  7,  12, 13, 14, 15,
  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] = {
clang-format's avatar
clang-format committed
83 84 85 86
  0,  1,  4,  5,  16, 17, 20, 21, 2,  3,  6,  7,  18, 19, 22, 23,
  8,  9,  12, 13, 24, 25, 28, 29, 10, 11, 14, 15, 26, 27, 30, 31,
  32, 33, 36, 37, 48, 49, 52, 53, 34, 35, 38, 39, 50, 51, 54, 55,
  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] = {
clang-format's avatar
clang-format committed
91 92 93 94 95 96 97 98
  0,  2,  8,  10, 32,  34,  40,  42,  1,  3,  9,  11, 33,  35,  41,  43,
  4,  6,  12, 14, 36,  38,  44,  46,  5,  7,  13, 15, 37,  39,  45,  47,
  16, 18, 24, 26, 48,  50,  56,  58,  17, 19, 25, 27, 49,  51,  57,  59,
  20, 22, 28, 30, 52,  54,  60,  62,  21, 23, 29, 31, 53,  55,  61,  63,
  64, 66, 72, 74, 96,  98,  104, 106, 65, 67, 73, 75, 97,  99,  105, 107,
  68, 70, 76, 78, 100, 102, 108, 110, 69, 71, 77, 79, 101, 103, 109, 111,
  80, 82, 88, 90, 112, 114, 120, 122, 81, 83, 89, 91, 113, 115, 121, 123,
  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] = {
clang-format's avatar
clang-format committed
101 102 103 104 105
  0,  1,  2,  3,  8,  9,  10, 11, 32,  33,  34,  35,  40,  41,  42,  43,
  4,  5,  6,  7,  12, 13, 14, 15, 36,  37,  38,  39,  44,  45,  46,  47,
  16, 17, 18, 19, 24, 25, 26, 27, 48,  49,  50,  51,  56,  57,  58,  59,
  20, 21, 22, 23, 28, 29, 30, 31, 52,  53,  54,  55,  60,  61,  62,  63,
  64, 65, 66, 67, 72, 73, 74, 75, 96,  97,  98,  99,  104, 105, 106, 107,
106 107 108 109
  68, 69, 70, 71, 76, 77, 78, 79, 100, 101, 102, 103, 108, 109, 110, 111,
  80, 81, 82, 83, 88, 89, 90, 91, 112, 113, 114, 115, 120, 121, 122, 123,
  84, 85, 86, 87, 92, 93, 94, 95, 116, 117, 118, 119, 124, 125, 126, 127,
};
110
static const uint16_t orders_8x8[256] = {
clang-format's avatar
clang-format committed
111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128
  0,   1,   4,   5,   16,  17,  20,  21,  64,  65,  68,  69,  80,  81,  84,
  85,  2,   3,   6,   7,   18,  19,  22,  23,  66,  67,  70,  71,  82,  83,
  86,  87,  8,   9,   12,  13,  24,  25,  28,  29,  72,  73,  76,  77,  88,
  89,  92,  93,  10,  11,  14,  15,  26,  27,  30,  31,  74,  75,  78,  79,
  90,  91,  94,  95,  32,  33,  36,  37,  48,  49,  52,  53,  96,  97,  100,
  101, 112, 113, 116, 117, 34,  35,  38,  39,  50,  51,  54,  55,  98,  99,
  102, 103, 114, 115, 118, 119, 40,  41,  44,  45,  56,  57,  60,  61,  104,
  105, 108, 109, 120, 121, 124, 125, 42,  43,  46,  47,  58,  59,  62,  63,
  106, 107, 110, 111, 122, 123, 126, 127, 128, 129, 132, 133, 144, 145, 148,
  149, 192, 193, 196, 197, 208, 209, 212, 213, 130, 131, 134, 135, 146, 147,
  150, 151, 194, 195, 198, 199, 210, 211, 214, 215, 136, 137, 140, 141, 152,
  153, 156, 157, 200, 201, 204, 205, 216, 217, 220, 221, 138, 139, 142, 143,
  154, 155, 158, 159, 202, 203, 206, 207, 218, 219, 222, 223, 160, 161, 164,
  165, 176, 177, 180, 181, 224, 225, 228, 229, 240, 241, 244, 245, 162, 163,
  166, 167, 178, 179, 182, 183, 226, 227, 230, 231, 242, 243, 246, 247, 168,
  169, 172, 173, 184, 185, 188, 189, 232, 233, 236, 237, 248, 249, 252, 253,
  170, 171, 174, 175, 186, 187, 190, 191, 234, 235, 238, 239, 250, 251, 254,
  255,
129
};
130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289

#if CONFIG_CB4X4 && CONFIG_EXT_PARTITION
static const uint16_t orders_4x8[512] = {
  0,   1,   2,   3,   8,   9,   10,  11,  32,  33,  34,  35,  40,  41,  42,
  43,  128, 129, 130, 131, 136, 137, 138, 139, 160, 161, 162, 163, 168, 169,
  170, 171, 4,   5,   6,   7,   12,  13,  14,  15,  36,  37,  38,  39,  44,
  45,  46,  47,  132, 133, 134, 135, 140, 141, 142, 143, 164, 165, 166, 167,
  172, 173, 174, 175, 16,  17,  18,  19,  24,  25,  26,  27,  48,  49,  50,
  51,  56,  57,  58,  59,  144, 145, 146, 147, 152, 153, 154, 155, 176, 177,
  178, 179, 184, 185, 186, 187, 20,  21,  22,  23,  28,  29,  30,  31,  52,
  53,  54,  55,  60,  61,  62,  63,  148, 149, 150, 151, 156, 157, 158, 159,
  180, 181, 182, 183, 188, 189, 190, 191, 64,  65,  66,  67,  72,  73,  74,
  75,  96,  97,  98,  99,  104, 105, 106, 107, 192, 193, 194, 195, 200, 201,
  202, 203, 224, 225, 226, 227, 232, 233, 234, 235, 68,  69,  70,  71,  76,
  77,  78,  79,  100, 101, 102, 103, 108, 109, 110, 111, 196, 197, 198, 199,
  204, 205, 206, 207, 228, 229, 230, 231, 236, 237, 238, 239, 80,  81,  82,
  83,  88,  89,  90,  91,  112, 113, 114, 115, 120, 121, 122, 123, 208, 209,
  210, 211, 216, 217, 218, 219, 240, 241, 242, 243, 248, 249, 250, 251, 84,
  85,  86,  87,  92,  93,  94,  95,  116, 117, 118, 119, 124, 125, 126, 127,
  212, 213, 214, 215, 220, 221, 222, 223, 244, 245, 246, 247, 252, 253, 254,
  255, 256, 257, 258, 259, 264, 265, 266, 267, 288, 289, 290, 291, 296, 297,
  298, 299, 384, 385, 386, 387, 392, 393, 394, 395, 416, 417, 418, 419, 424,
  425, 426, 427, 260, 261, 262, 263, 268, 269, 270, 271, 292, 293, 294, 295,
  300, 301, 302, 303, 388, 389, 390, 391, 396, 397, 398, 399, 420, 421, 422,
  423, 428, 429, 430, 431, 272, 273, 274, 275, 280, 281, 282, 283, 304, 305,
  306, 307, 312, 313, 314, 315, 400, 401, 402, 403, 408, 409, 410, 411, 432,
  433, 434, 435, 440, 441, 442, 443, 276, 277, 278, 279, 284, 285, 286, 287,
  308, 309, 310, 311, 316, 317, 318, 319, 404, 405, 406, 407, 412, 413, 414,
  415, 436, 437, 438, 439, 444, 445, 446, 447, 320, 321, 322, 323, 328, 329,
  330, 331, 352, 353, 354, 355, 360, 361, 362, 363, 448, 449, 450, 451, 456,
  457, 458, 459, 480, 481, 482, 483, 488, 489, 490, 491, 324, 325, 326, 327,
  332, 333, 334, 335, 356, 357, 358, 359, 364, 365, 366, 367, 452, 453, 454,
  455, 460, 461, 462, 463, 484, 485, 486, 487, 492, 493, 494, 495, 336, 337,
  338, 339, 344, 345, 346, 347, 368, 369, 370, 371, 376, 377, 378, 379, 464,
  465, 466, 467, 472, 473, 474, 475, 496, 497, 498, 499, 504, 505, 506, 507,
  340, 341, 342, 343, 348, 349, 350, 351, 372, 373, 374, 375, 380, 381, 382,
  383, 468, 469, 470, 471, 476, 477, 478, 479, 500, 501, 502, 503, 508, 509,
  510, 511,
};

static const uint16_t orders_8x4[512] = {
  0,   2,   8,   10,  32,  34,  40,  42,  128, 130, 136, 138, 160, 162, 168,
  170, 1,   3,   9,   11,  33,  35,  41,  43,  129, 131, 137, 139, 161, 163,
  169, 171, 4,   6,   12,  14,  36,  38,  44,  46,  132, 134, 140, 142, 164,
  166, 172, 174, 5,   7,   13,  15,  37,  39,  45,  47,  133, 135, 141, 143,
  165, 167, 173, 175, 16,  18,  24,  26,  48,  50,  56,  58,  144, 146, 152,
  154, 176, 178, 184, 186, 17,  19,  25,  27,  49,  51,  57,  59,  145, 147,
  153, 155, 177, 179, 185, 187, 20,  22,  28,  30,  52,  54,  60,  62,  148,
  150, 156, 158, 180, 182, 188, 190, 21,  23,  29,  31,  53,  55,  61,  63,
  149, 151, 157, 159, 181, 183, 189, 191, 64,  66,  72,  74,  96,  98,  104,
  106, 192, 194, 200, 202, 224, 226, 232, 234, 65,  67,  73,  75,  97,  99,
  105, 107, 193, 195, 201, 203, 225, 227, 233, 235, 68,  70,  76,  78,  100,
  102, 108, 110, 196, 198, 204, 206, 228, 230, 236, 238, 69,  71,  77,  79,
  101, 103, 109, 111, 197, 199, 205, 207, 229, 231, 237, 239, 80,  82,  88,
  90,  112, 114, 120, 122, 208, 210, 216, 218, 240, 242, 248, 250, 81,  83,
  89,  91,  113, 115, 121, 123, 209, 211, 217, 219, 241, 243, 249, 251, 84,
  86,  92,  94,  116, 118, 124, 126, 212, 214, 220, 222, 244, 246, 252, 254,
  85,  87,  93,  95,  117, 119, 125, 127, 213, 215, 221, 223, 245, 247, 253,
  255, 256, 258, 264, 266, 288, 290, 296, 298, 384, 386, 392, 394, 416, 418,
  424, 426, 257, 259, 265, 267, 289, 291, 297, 299, 385, 387, 393, 395, 417,
  419, 425, 427, 260, 262, 268, 270, 292, 294, 300, 302, 388, 390, 396, 398,
  420, 422, 428, 430, 261, 263, 269, 271, 293, 295, 301, 303, 389, 391, 397,
  399, 421, 423, 429, 431, 272, 274, 280, 282, 304, 306, 312, 314, 400, 402,
  408, 410, 432, 434, 440, 442, 273, 275, 281, 283, 305, 307, 313, 315, 401,
  403, 409, 411, 433, 435, 441, 443, 276, 278, 284, 286, 308, 310, 316, 318,
  404, 406, 412, 414, 436, 438, 444, 446, 277, 279, 285, 287, 309, 311, 317,
  319, 405, 407, 413, 415, 437, 439, 445, 447, 320, 322, 328, 330, 352, 354,
  360, 362, 448, 450, 456, 458, 480, 482, 488, 490, 321, 323, 329, 331, 353,
  355, 361, 363, 449, 451, 457, 459, 481, 483, 489, 491, 324, 326, 332, 334,
  356, 358, 364, 366, 452, 454, 460, 462, 484, 486, 492, 494, 325, 327, 333,
  335, 357, 359, 365, 367, 453, 455, 461, 463, 485, 487, 493, 495, 336, 338,
  344, 346, 368, 370, 376, 378, 464, 466, 472, 474, 496, 498, 504, 506, 337,
  339, 345, 347, 369, 371, 377, 379, 465, 467, 473, 475, 497, 499, 505, 507,
  340, 342, 348, 350, 372, 374, 380, 382, 468, 470, 476, 478, 500, 502, 508,
  510, 341, 343, 349, 351, 373, 375, 381, 383, 469, 471, 477, 479, 501, 503,
  509, 511,
};

static const uint16_t orders_4x4[1024] = {
  0,    1,    4,    5,    16,   17,   20,   21,   64,   65,   68,   69,   80,
  81,   84,   85,   256,  257,  260,  261,  272,  273,  276,  277,  320,  321,
  324,  325,  336,  337,  340,  341,  2,    3,    6,    7,    18,   19,   22,
  23,   66,   67,   70,   71,   82,   83,   86,   87,   258,  259,  262,  263,
  274,  275,  278,  279,  322,  323,  326,  327,  338,  339,  342,  343,  8,
  9,    12,   13,   24,   25,   28,   29,   72,   73,   76,   77,   88,   89,
  92,   93,   264,  265,  268,  269,  280,  281,  284,  285,  328,  329,  332,
  333,  344,  345,  348,  349,  10,   11,   14,   15,   26,   27,   30,   31,
  74,   75,   78,   79,   90,   91,   94,   95,   266,  267,  270,  271,  282,
  283,  286,  287,  330,  331,  334,  335,  346,  347,  350,  351,  32,   33,
  36,   37,   48,   49,   52,   53,   96,   97,   100,  101,  112,  113,  116,
  117,  288,  289,  292,  293,  304,  305,  308,  309,  352,  353,  356,  357,
  368,  369,  372,  373,  34,   35,   38,   39,   50,   51,   54,   55,   98,
  99,   102,  103,  114,  115,  118,  119,  290,  291,  294,  295,  306,  307,
  310,  311,  354,  355,  358,  359,  370,  371,  374,  375,  40,   41,   44,
  45,   56,   57,   60,   61,   104,  105,  108,  109,  120,  121,  124,  125,
  296,  297,  300,  301,  312,  313,  316,  317,  360,  361,  364,  365,  376,
  377,  380,  381,  42,   43,   46,   47,   58,   59,   62,   63,   106,  107,
  110,  111,  122,  123,  126,  127,  298,  299,  302,  303,  314,  315,  318,
  319,  362,  363,  366,  367,  378,  379,  382,  383,  128,  129,  132,  133,
  144,  145,  148,  149,  192,  193,  196,  197,  208,  209,  212,  213,  384,
  385,  388,  389,  400,  401,  404,  405,  448,  449,  452,  453,  464,  465,
  468,  469,  130,  131,  134,  135,  146,  147,  150,  151,  194,  195,  198,
  199,  210,  211,  214,  215,  386,  387,  390,  391,  402,  403,  406,  407,
  450,  451,  454,  455,  466,  467,  470,  471,  136,  137,  140,  141,  152,
  153,  156,  157,  200,  201,  204,  205,  216,  217,  220,  221,  392,  393,
  396,  397,  408,  409,  412,  413,  456,  457,  460,  461,  472,  473,  476,
  477,  138,  139,  142,  143,  154,  155,  158,  159,  202,  203,  206,  207,
  218,  219,  222,  223,  394,  395,  398,  399,  410,  411,  414,  415,  458,
  459,  462,  463,  474,  475,  478,  479,  160,  161,  164,  165,  176,  177,
  180,  181,  224,  225,  228,  229,  240,  241,  244,  245,  416,  417,  420,
  421,  432,  433,  436,  437,  480,  481,  484,  485,  496,  497,  500,  501,
  162,  163,  166,  167,  178,  179,  182,  183,  226,  227,  230,  231,  242,
  243,  246,  247,  418,  419,  422,  423,  434,  435,  438,  439,  482,  483,
  486,  487,  498,  499,  502,  503,  168,  169,  172,  173,  184,  185,  188,
  189,  232,  233,  236,  237,  248,  249,  252,  253,  424,  425,  428,  429,
  440,  441,  444,  445,  488,  489,  492,  493,  504,  505,  508,  509,  170,
  171,  174,  175,  186,  187,  190,  191,  234,  235,  238,  239,  250,  251,
  254,  255,  426,  427,  430,  431,  442,  443,  446,  447,  490,  491,  494,
  495,  506,  507,  510,  511,  512,  513,  516,  517,  528,  529,  532,  533,
  576,  577,  580,  581,  592,  593,  596,  597,  768,  769,  772,  773,  784,
  785,  788,  789,  832,  833,  836,  837,  848,  849,  852,  853,  514,  515,
  518,  519,  530,  531,  534,  535,  578,  579,  582,  583,  594,  595,  598,
  599,  770,  771,  774,  775,  786,  787,  790,  791,  834,  835,  838,  839,
  850,  851,  854,  855,  520,  521,  524,  525,  536,  537,  540,  541,  584,
  585,  588,  589,  600,  601,  604,  605,  776,  777,  780,  781,  792,  793,
  796,  797,  840,  841,  844,  845,  856,  857,  860,  861,  522,  523,  526,
  527,  538,  539,  542,  543,  586,  587,  590,  591,  602,  603,  606,  607,
  778,  779,  782,  783,  794,  795,  798,  799,  842,  843,  846,  847,  858,
  859,  862,  863,  544,  545,  548,  549,  560,  561,  564,  565,  608,  609,
  612,  613,  624,  625,  628,  629,  800,  801,  804,  805,  816,  817,  820,
  821,  864,  865,  868,  869,  880,  881,  884,  885,  546,  547,  550,  551,
  562,  563,  566,  567,  610,  611,  614,  615,  626,  627,  630,  631,  802,
  803,  806,  807,  818,  819,  822,  823,  866,  867,  870,  871,  882,  883,
  886,  887,  552,  553,  556,  557,  568,  569,  572,  573,  616,  617,  620,
  621,  632,  633,  636,  637,  808,  809,  812,  813,  824,  825,  828,  829,
  872,  873,  876,  877,  888,  889,  892,  893,  554,  555,  558,  559,  570,
  571,  574,  575,  618,  619,  622,  623,  634,  635,  638,  639,  810,  811,
  814,  815,  826,  827,  830,  831,  874,  875,  878,  879,  890,  891,  894,
  895,  640,  641,  644,  645,  656,  657,  660,  661,  704,  705,  708,  709,
  720,  721,  724,  725,  896,  897,  900,  901,  912,  913,  916,  917,  960,
  961,  964,  965,  976,  977,  980,  981,  642,  643,  646,  647,  658,  659,
  662,  663,  706,  707,  710,  711,  722,  723,  726,  727,  898,  899,  902,
  903,  914,  915,  918,  919,  962,  963,  966,  967,  978,  979,  982,  983,
  648,  649,  652,  653,  664,  665,  668,  669,  712,  713,  716,  717,  728,
  729,  732,  733,  904,  905,  908,  909,  920,  921,  924,  925,  968,  969,
  972,  973,  984,  985,  988,  989,  650,  651,  654,  655,  666,  667,  670,
  671,  714,  715,  718,  719,  730,  731,  734,  735,  906,  907,  910,  911,
  922,  923,  926,  927,  970,  971,  974,  975,  986,  987,  990,  991,  672,
  673,  676,  677,  688,  689,  692,  693,  736,  737,  740,  741,  752,  753,
  756,  757,  928,  929,  932,  933,  944,  945,  948,  949,  992,  993,  996,
  997,  1008, 1009, 1012, 1013, 674,  675,  678,  679,  690,  691,  694,  695,
  738,  739,  742,  743,  754,  755,  758,  759,  930,  931,  934,  935,  946,
  947,  950,  951,  994,  995,  998,  999,  1010, 1011, 1014, 1015, 680,  681,
  684,  685,  696,  697,  700,  701,  744,  745,  748,  749,  760,  761,  764,
  765,  936,  937,  940,  941,  952,  953,  956,  957,  1000, 1001, 1004, 1005,
  1016, 1017, 1020, 1021, 682,  683,  686,  687,  698,  699,  702,  703,  746,
  747,  750,  751,  762,  763,  766,  767,  938,  939,  942,  943,  954,  955,
  958,  959,  1002, 1003, 1006, 1007, 1018, 1019, 1022, 1023,
};
#endif
290
#endif  // CONFIG_CB4X4 || CONFIG_EXT_PARTITION
291

292
#if CONFIG_EXT_PARTITION
clang-format's avatar
clang-format committed
293
/* clang-format off */
294
static const uint16_t *const orders[BLOCK_SIZES] = {
Jingning Han's avatar
Jingning Han committed
295 296
#if CONFIG_CB4X4
  // 2X2,         2X4,            4X2
297 298 299 300 301 302
  orders_4x4,     orders_4x4,     orders_4x4,
  //                              4X4
                                  orders_4x4,
  // 4X8,         8X4,            8X8
  orders_4x8,     orders_8x4,     orders_8x8,
#else
303 304 305 306
  //                              4X4
                                  orders_8x8,
  // 4X8,         8X4,            8X8
  orders_8x8,     orders_8x8,     orders_8x8,
307
#endif
308 309 310 311 312 313 314 315
  // 8X16,        16X8,           16X16
  orders_8x16,    orders_16x8,    orders_16x16,
  // 16X32,       32X16,          32X32
  orders_16x32,   orders_32x16,   orders_32x32,
  // 32X64,       64X32,          64X64
  orders_32x64,   orders_64x32,   orders_64x64,
  // 64x128,      128x64,         128x128
  orders_64x128,  orders_128x64,  orders_128x128
316
};
clang-format's avatar
clang-format committed
317
/* clang-format on */
318
#else
clang-format's avatar
clang-format committed
319
/* clang-format off */
320
static const uint16_t *const orders[BLOCK_SIZES] = {
Jingning Han's avatar
Jingning Han committed
321 322
#if CONFIG_CB4X4
  // 2X2,         2X4,            4X2
323 324 325 326 327 328
  orders_8x8,     orders_8x8,     orders_8x8,
  //                              4X4
                                  orders_8x8,
  // 4X8,         8X4,            8X8
  orders_8x16,    orders_16x8,    orders_16x16,
#else
329 330 331 332
  //                              4X4
                                  orders_16x16,
  // 4X8,         8X4,            8X8
  orders_16x16,   orders_16x16,   orders_16x16,
333
#endif
334 335 336 337 338 339 340
  // 8X16,        16X8,           16X16
  orders_16x32,   orders_32x16,   orders_32x32,
  // 16X32,       32X16,          32X32
  orders_32x64,   orders_64x32,   orders_64x64,
  // 32X64,       64X32,          64X64
  orders_64x128,  orders_128x64,  orders_128x128
};
clang-format's avatar
clang-format committed
341
/* clang-format on */
342 343
#endif  // CONFIG_EXT_PARTITION

344
#if CONFIG_EXT_PARTITION_TYPES
345
static const uint16_t orders_verta_64x64[4] = {
clang-format's avatar
clang-format committed
346
  0, 2, 1, 2,
347
};
348
static const uint16_t orders_verta_32x32[16] = {
clang-format's avatar
clang-format committed
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] = {
clang-format's avatar
clang-format committed
352 353 354 355
  0,  2,  4,  6,  16, 18, 20, 22, 1,  2,  5,  6,  17, 18, 21, 22,
  8,  10, 12, 14, 24, 26, 28, 30, 9,  10, 13, 14, 25, 26, 29, 30,
  32, 34, 36, 38, 48, 50, 52, 54, 33, 34, 37, 38, 49, 50, 53, 54,
  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] = {
clang-format's avatar
clang-format committed
359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376
  0,   2,   4,   6,   16,  18,  20,  22,  64,  66,  68,  70,  80,  82,  84,
  86,  1,   2,   5,   6,   17,  18,  21,  22,  65,  66,  69,  70,  81,  82,
  85,  86,  8,   10,  12,  14,  24,  26,  28,  30,  72,  74,  76,  78,  88,
  90,  92,  94,  9,   10,  13,  14,  25,  26,  29,  30,  73,  74,  77,  78,
  89,  90,  93,  94,  32,  34,  36,  38,  48,  50,  52,  54,  96,  98,  100,
  102, 112, 114, 116, 118, 33,  34,  37,  38,  49,  50,  53,  54,  97,  98,
  101, 102, 113, 114, 117, 118, 40,  42,  44,  46,  56,  58,  60,  62,  104,
  106, 108, 110, 120, 122, 124, 126, 41,  42,  45,  46,  57,  58,  61,  62,
  105, 106, 109, 110, 121, 122, 125, 126, 128, 130, 132, 134, 144, 146, 148,
  150, 192, 194, 196, 198, 208, 210, 212, 214, 129, 130, 133, 134, 145, 146,
  149, 150, 193, 194, 197, 198, 209, 210, 213, 214, 136, 138, 140, 142, 152,
  154, 156, 158, 200, 202, 204, 206, 216, 218, 220, 222, 137, 138, 141, 142,
  153, 154, 157, 158, 201, 202, 205, 206, 217, 218, 221, 222, 160, 162, 164,
  166, 176, 178, 180, 182, 224, 226, 228, 230, 240, 242, 244, 246, 161, 162,
  165, 166, 177, 178, 181, 182, 225, 226, 229, 230, 241, 242, 245, 246, 168,
  170, 172, 174, 184, 186, 188, 190, 232, 234, 236, 238, 248, 250, 252, 254,
  169, 170, 173, 174, 185, 186, 189, 190, 233, 234, 237, 238, 249, 250, 253,
  254,
377
};
378
#endif  // CONFIG_EXT_PARTITION || CONFIG_CB4X4
clang-format's avatar
clang-format committed
379

380
#if CONFIG_EXT_PARTITION
clang-format's avatar
clang-format committed
381
/* clang-format off */
382
static const uint16_t *const orders_verta[BLOCK_SIZES] = {
383 384 385 386
#if CONFIG_CB4X4
  // 2X2,           2X4,              4X2
  orders_4x4,       orders_4x4,       orders_4x4,
#endif
387 388 389 390 391 392 393 394 395 396 397 398 399
  //                                  4X4
                                      orders_verta_8x8,
  // 4X8,           8X4,              8X8
  orders_verta_8x8, orders_verta_8x8, orders_verta_8x8,
  // 8X16,          16X8,             16X16
  orders_8x16,      orders_16x8,      orders_verta_16x16,
  // 16X32,         32X16,            32X32
  orders_16x32,     orders_32x16,     orders_verta_32x32,
  // 32X64,         64X32,            64X64
  orders_32x64,     orders_64x32,     orders_verta_64x64,
  // 64x128,        128x64,           128x128
  orders_64x128,    orders_128x64,    orders_128x128
};
clang-format's avatar
clang-format committed
400
/* clang-format on */
401
#else
clang-format's avatar
clang-format committed
402
/* clang-format off */
403
static const uint16_t *const orders_verta[BLOCK_SIZES] = {
404 405 406 407 408 409 410 411
#if CONFIG_CB4X4
  // 2X2,             2X4,                4X2
  orders_verta_8x8,   orders_verta_8x8,   orders_verta_8x8,
  //                                      4X4
                                          orders_verta_8x8,
  // 4X8,             8X4,                8X8
  orders_verta_8x8,   orders_verta_8x8,   orders_verta_16x16,
#else
412 413 414 415
  //                                      4X4
                                          orders_verta_16x16,
  // 4X8,             8X4,                8X8
  orders_verta_16x16, orders_verta_16x16, orders_verta_16x16,
416
#endif
417 418 419 420 421 422
  // 8X16,            16X8,               16X16
  orders_16x32,       orders_32x16,       orders_verta_32x32,
  // 16X32,           32X16,              32X32
  orders_32x64,       orders_64x32,       orders_verta_64x64,
  // 32X64,           64X32,              64X64
  orders_64x128,      orders_128x64,      orders_128x128
423
};
clang-format's avatar
clang-format committed
424
/* clang-format on */
425
#endif  // CONFIG_EXT_PARTITION
426
#endif  // CONFIG_EXT_PARTITION_TYPES
427

428 429
static int has_top_right(BLOCK_SIZE bsize, int mi_row, int mi_col,
                         int top_available, int right_available,
430
#if CONFIG_EXT_PARTITION_TYPES
Yaowu Xu's avatar
Yaowu Xu committed
431
                         PARTITION_TYPE partition,
432
#endif
433 434 435
                         TX_SIZE txsz, int row_off, int col_off, int ss_x) {
  if (!top_available || !right_available) return 0;

436
#if !CONFIG_CB4X4
437 438 439 440 441 442
  // TODO(bshacklett, huisu): Currently the RD loop traverses 4X8 blocks in
  // inverted N order while in the bitstream the subblocks are stored in Z
  // order. This discrepancy makes this function incorrect when considering 4X8
  // blocks in the RD loop, so we disable the extended right edge for these
  // blocks. The correct solution is to change the bitstream to store these
  // blocks in inverted N order, and then update this function appropriately.
443
  if (bsize == BLOCK_4X8 && row_off == 1) return 0;
444
#endif
445

446 447 448
  const int bw_unit = block_size_wide[bsize] >> tx_size_wide_log2[0];
  const int plane_bw_unit = AOMMAX(bw_unit >> ss_x, 1);
  const int top_right_count_unit = tx_size_wide_unit[txsz];
449

450 451
  // Special handling for block sizes 4x8 and 4x4.
  if (ss_x == 0 && bw_unit < 2 && col_off == 0) return 1;
452

453 454 455 456 457
  if (row_off > 0) {  // Just need to check if enough pixels on the right.
    return col_off + top_right_count_unit < plane_bw_unit;
  } else {
    // All top-right pixels are in the block above, which is already available.
    if (col_off + top_right_count_unit < plane_bw_unit) return 1;
458

459 460 461 462
    const int bw_in_mi_log2 = mi_width_log2_lookup[bsize];
    const int bh_in_mi_log2 = mi_height_log2_lookup[bsize];
    const int blk_row_in_sb = (mi_row & MAX_MIB_MASK) >> bh_in_mi_log2;
    const int blk_col_in_sb = (mi_col & MAX_MIB_MASK) >> bw_in_mi_log2;
463

464 465 466
    // Top row of superblock: so top-right pixels are in the top and/or
    // top-right superblocks, both of which are already available.
    if (blk_row_in_sb == 0) return 1;
467

468 469 470
    // Rightmost column of superblock (and not the top row): so top-right pixels
    // fall in the right superblock, which is not available yet.
    if (((blk_col_in_sb + 1) << bw_in_mi_log2) >= MAX_MIB_SIZE) return 0;
471

472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487
    // General case (neither top row nor rightmost column): check if the
    // top-right block is coded before the current block.
    const uint16_t *const order =
#if CONFIG_EXT_PARTITION_TYPES
        (partition == PARTITION_VERT_A) ? orders_verta[bsize] :
#endif  // CONFIG_EXT_PARTITION_TYPES
                                        orders[bsize];
    const int this_blk_index =
        ((blk_row_in_sb + 0) << (MAX_MIB_SIZE_LOG2 - bw_in_mi_log2)) +
        blk_col_in_sb + 0;
    const uint16_t this_blk_order = order[this_blk_index];
    const int tr_blk_index =
        ((blk_row_in_sb - 1) << (MAX_MIB_SIZE_LOG2 - bw_in_mi_log2)) +
        blk_col_in_sb + 1;
    const uint16_t tr_blk_order = order[tr_blk_index];
    return tr_blk_order < this_blk_order;
488 489 490
  }
}

491 492 493 494 495 496 497
static int has_bottom_left(BLOCK_SIZE bsize, int mi_row, int mi_col,
                           int bottom_available, int left_available,
                           TX_SIZE txsz, int row_off, int col_off, int ss_y) {
  if (!bottom_available || !left_available) return 0;

  if (col_off > 0) {
    // Bottom-left pixels are in the bottom-left block, which is not available.
498 499
    return 0;
  } else {
500 501 502
    const int bh_unit = block_size_high[bsize] >> tx_size_high_log2[0];
    const int plane_bh_unit = AOMMAX(bh_unit >> ss_y, 1);
    const int bottom_left_count_unit = tx_size_high_unit[txsz];
503

504
#if !CONFIG_CB4X4
505 506
    // Special handling for block sizes 8x4 and 4x4.
    if (ss_y == 0 && bh_unit < 2 && row_off == 0) return 1;
507
#endif
508

509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525
    // All bottom-left pixels are in the left block, which is already available.
    if (row_off + bottom_left_count_unit < plane_bh_unit) return 1;

    const int bw_in_mi_log2 = mi_width_log2_lookup[bsize];
    const int bh_in_mi_log2 = mi_height_log2_lookup[bsize];
    const int blk_row_in_sb = (mi_row & MAX_MIB_MASK) >> bh_in_mi_log2;
    const int blk_col_in_sb = (mi_col & MAX_MIB_MASK) >> bw_in_mi_log2;

    // Leftmost column of superblock: so bottom-left pixels maybe in the left
    // and/or bottom-left superblocks. But only the left superblock is
    // available, so check if all required pixels fall in that superblock.
    if (blk_col_in_sb == 0) {
      const int blk_start_row_off = blk_row_in_sb << (bh_in_mi_log2 + !ss_y);
      const int row_off_in_sb = blk_start_row_off + row_off;
      const int sb_height_unit = MAX_MIB_SIZE << !ss_y;
      return row_off_in_sb + bottom_left_count_unit < sb_height_unit;
    }
526

527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542
    // Bottom row of superblock (and not the leftmost column): so bottom-left
    // pixels fall in the bottom superblock, which is not available yet.
    if (((blk_row_in_sb + 1) << bh_in_mi_log2) >= MAX_MIB_SIZE) return 0;

    // General case (neither leftmost column nor bottom row): check if the
    // bottom-left block is coded before the current block.
    const uint16_t *const order = orders[bsize];
    const int this_blk_index =
        ((blk_row_in_sb + 0) << (MAX_MIB_SIZE_LOG2 - bw_in_mi_log2)) +
        blk_col_in_sb + 0;
    const uint16_t this_blk_order = order[this_blk_index];
    const int bl_blk_index =
        ((blk_row_in_sb + 1) << (MAX_MIB_SIZE_LOG2 - bw_in_mi_log2)) +
        blk_col_in_sb - 1;
    const uint16_t bl_blk_order = order[bl_blk_index];
    return bl_blk_order < this_blk_order;
543 544
  }
}
Jingning Han's avatar
Jingning Han committed
545 546 547 548 549 550 551

typedef void (*intra_pred_fn)(uint8_t *dst, ptrdiff_t stride,
                              const uint8_t *above, const uint8_t *left);

static intra_pred_fn pred[INTRA_MODES][TX_SIZES];
static intra_pred_fn dc_pred[2][2][TX_SIZES];

552
#if CONFIG_HIGHBITDEPTH
Jingning Han's avatar
Jingning Han committed
553 554 555
typedef void (*intra_high_pred_fn)(uint16_t *dst, ptrdiff_t stride,
                                   const uint16_t *above, const uint16_t *left,
                                   int bd);
556 557
static intra_high_pred_fn pred_high[INTRA_MODES][TX_SIZES];
static intra_high_pred_fn dc_pred_high[2][2][TX_SIZES];
558
#endif  // CONFIG_HIGHBITDEPTH
Jingning Han's avatar
Jingning Han committed
559

Yaowu Xu's avatar
Yaowu Xu committed
560
static void av1_init_intra_predictors_internal(void) {
561 562 563 564 565 566 567
#if CONFIG_TX64X64
#define INIT_NO_4X4(p, type)                  \
  p[TX_8X8] = aom_##type##_predictor_8x8;     \
  p[TX_16X16] = aom_##type##_predictor_16x16; \
  p[TX_32X32] = aom_##type##_predictor_32x32; \
  p[TX_64X64] = aom_##type##_predictor_64x64
#else
clang-format's avatar
clang-format committed
568
#define INIT_NO_4X4(p, type)                  \
Yaowu Xu's avatar
Yaowu Xu committed
569 570 571
  p[TX_8X8] = aom_##type##_predictor_8x8;     \
  p[TX_16X16] = aom_##type##_predictor_16x16; \
  p[TX_32X32] = aom_##type##_predictor_32x32
572
#endif  // CONFIG_TX64X64
Jingning Han's avatar
Jingning Han committed
573

Jingning Han's avatar
Jingning Han committed
574 575 576 577 578 579
#if CONFIG_CB4X4
#define INIT_ALL_SIZES(p, type)           \
  p[TX_2X2] = aom_##type##_predictor_2x2; \
  p[TX_4X4] = aom_##type##_predictor_4x4; \
  INIT_NO_4X4(p, type)
#else
clang-format's avatar
clang-format committed
580
#define INIT_ALL_SIZES(p, type)           \
Yaowu Xu's avatar
Yaowu Xu committed
581
  p[TX_4X4] = aom_##type##_predictor_4x4; \
582
  INIT_NO_4X4(p, type)
Jingning Han's avatar
Jingning Han committed
583
#endif
584

Jingning Han's avatar
Jingning Han committed
585 586
  INIT_ALL_SIZES(pred[V_PRED], v);
  INIT_ALL_SIZES(pred[H_PRED], h);
587 588 589
  INIT_ALL_SIZES(pred[D207_PRED], d207e);
  INIT_ALL_SIZES(pred[D45_PRED], d45e);
  INIT_ALL_SIZES(pred[D63_PRED], d63e);
Jingning Han's avatar
Jingning Han committed
590 591 592
  INIT_ALL_SIZES(pred[D117_PRED], d117);
  INIT_ALL_SIZES(pred[D135_PRED], d135);
  INIT_ALL_SIZES(pred[D153_PRED], d153);
Urvang Joshi's avatar
Urvang Joshi committed
593 594 595

#if CONFIG_ALT_INTRA
  INIT_ALL_SIZES(pred[TM_PRED], paeth);
596
  INIT_ALL_SIZES(pred[SMOOTH_PRED], smooth);
Urvang Joshi's avatar
Urvang Joshi committed
597 598 599 600
#if CONFIG_SMOOTH_HV
  INIT_ALL_SIZES(pred[SMOOTH_V_PRED], smooth_v);
  INIT_ALL_SIZES(pred[SMOOTH_H_PRED], smooth_h);
#endif  // CONFIG_SMOOTH_HV
Urvang Joshi's avatar
Urvang Joshi committed
601
#else
Jingning Han's avatar
Jingning Han committed
602
  INIT_ALL_SIZES(pred[TM_PRED], tm);
Urvang Joshi's avatar
Urvang Joshi committed
603
#endif  // CONFIG_ALT_INTRA
Jingning Han's avatar
Jingning Han committed
604 605 606 607 608 609

  INIT_ALL_SIZES(dc_pred[0][0], dc_128);
  INIT_ALL_SIZES(dc_pred[0][1], dc_top);
  INIT_ALL_SIZES(dc_pred[1][0], dc_left);
  INIT_ALL_SIZES(dc_pred[1][1], dc);

610
#if CONFIG_HIGHBITDEPTH
Jingning Han's avatar
Jingning Han committed
611 612
  INIT_ALL_SIZES(pred_high[V_PRED], highbd_v);
  INIT_ALL_SIZES(pred_high[H_PRED], highbd_h);
613 614 615
  INIT_ALL_SIZES(pred_high[D207_PRED], highbd_d207e);
  INIT_ALL_SIZES(pred_high[D45_PRED], highbd_d45e);
  INIT_ALL_SIZES(pred_high[D63_PRED], highbd_d63e);
Jingning Han's avatar
Jingning Han committed
616 617 618
  INIT_ALL_SIZES(pred_high[D117_PRED], highbd_d117);
  INIT_ALL_SIZES(pred_high[D135_PRED], highbd_d135);
  INIT_ALL_SIZES(pred_high[D153_PRED], highbd_d153);
Urvang Joshi's avatar
Urvang Joshi committed
619 620 621

#if CONFIG_ALT_INTRA
  INIT_ALL_SIZES(pred_high[TM_PRED], highbd_paeth);
622
  INIT_ALL_SIZES(pred_high[SMOOTH_PRED], highbd_smooth);
Urvang Joshi's avatar
Urvang Joshi committed
623 624 625 626
#if CONFIG_SMOOTH_HV
  INIT_ALL_SIZES(pred_high[SMOOTH_V_PRED], highbd_smooth_v);
  INIT_ALL_SIZES(pred_high[SMOOTH_H_PRED], highbd_smooth_h);
#endif  // CONFIG_SMOOTH_HV
Urvang Joshi's avatar
Urvang Joshi committed
627
#else
Jingning Han's avatar
Jingning Han committed
628
  INIT_ALL_SIZES(pred_high[TM_PRED], highbd_tm);
Urvang Joshi's avatar
Urvang Joshi committed
629
#endif  // CONFIG_ALT_INTRA
Jingning Han's avatar
Jingning Han committed
630 631 632 633 634

  INIT_ALL_SIZES(dc_pred_high[0][0], highbd_dc_128);
  INIT_ALL_SIZES(dc_pred_high[0][1], highbd_dc_top);
  INIT_ALL_SIZES(dc_pred_high[1][0], highbd_dc_left);
  INIT_ALL_SIZES(dc_pred_high[1][1], highbd_dc);
635
#endif  // CONFIG_HIGHBITDEPTH
Jingning Han's avatar
Jingning Han committed
636 637 638 639

#undef intra_pred_allsizes
}

hui su's avatar
hui su committed
640
#if CONFIG_EXT_INTRA
hui su's avatar
hui su committed
641
#if CONFIG_INTRA_INTERP
642 643 644 645 646 647 648 649 650 651 652
static int intra_subpel_interp(int base, int shift, const uint8_t *ref,
                               int ref_start_idx, int ref_end_idx,
                               INTRA_FILTER filter_type) {
  int val, k, idx, filter_idx = 0;
  const int16_t *filter = NULL;

  if (filter_type == INTRA_FILTER_LINEAR) {
    val = ref[base] * (256 - shift) + ref[base + 1] * shift;
    val = ROUND_POWER_OF_TWO(val, 8);
  } else {
    filter_idx = ROUND_POWER_OF_TWO(shift, 8 - SUBPEL_BITS);
Yaowu Xu's avatar
Yaowu Xu committed
653
    filter = av1_intra_filter_kernels[filter_type][filter_idx];
654 655 656 657 658

    if (filter_idx < (1 << SUBPEL_BITS)) {
      val = 0;
      for (k = 0; k < SUBPEL_TAPS; ++k) {
        idx = base + 1 - (SUBPEL_TAPS / 2) + k;
Yaowu Xu's avatar
Yaowu Xu committed
659
        idx = AOMMAX(AOMMIN(idx, ref_end_idx), ref_start_idx);
660 661 662 663 664 665 666 667 668 669
        val += ref[idx] * filter[k];
      }
      val = ROUND_POWER_OF_TWO(val, FILTER_BITS);
    } else {
      val = ref[base + 1];
    }
  }

  return val;
}
hui su's avatar
hui su committed
670
#endif  // CONFIG_INTRA_INTERP
671

hui su's avatar
hui su committed
672 673
// Directional prediction, zone 1: 0 < angle < 90
static void dr_prediction_z1(uint8_t *dst, ptrdiff_t stride, int bs,
hui su's avatar
hui su committed
674 675 676 677 678
                             const uint8_t *above, const uint8_t *left,
#if CONFIG_INTRA_INTERP
                             INTRA_FILTER filter_type,
#endif  // CONFIG_INTRA_INTERP
                             int dx, int dy) {
hui su's avatar
hui su committed
679
  int r, c, x, base, shift, val;
hui su's avatar
hui su committed
680 681 682 683

  (void)left;
  (void)dy;
  assert(dy == 1);
hui su's avatar
hui su committed
684
  assert(dx > 0);
hui su's avatar
hui su committed
685

hui su's avatar
hui su committed
686
#if CONFIG_INTRA_INTERP
hui su's avatar
hui su committed
687 688 689
  if (filter_type != INTRA_FILTER_LINEAR) {
    const int pad_size = SUBPEL_TAPS >> 1;
    int len;
690 691
    DECLARE_ALIGNED(16, uint8_t, buf[SUBPEL_SHIFTS][MAX_SB_SIZE]);
    DECLARE_ALIGNED(16, uint8_t, src[MAX_SB_SIZE + SUBPEL_TAPS]);
hui su's avatar
hui su committed
692 693 694 695 696 697 698 699
    uint8_t flags[SUBPEL_SHIFTS];

    memset(flags, 0, SUBPEL_SHIFTS * sizeof(flags[0]));
    memset(src, above[0], pad_size * sizeof(above[0]));
    memcpy(src + pad_size, above, 2 * bs * sizeof(above[0]));
    memset(src + pad_size + 2 * bs, above[2 * bs - 1],
           pad_size * sizeof(above[0]));
    flags[0] = 1;
hui su's avatar
hui su committed
700 701
    x = dx;
    for (r = 0; r < bs; ++r, dst += stride, x += dx) {
hui su's avatar
hui su committed
702
      base = x >> 8;
hui su's avatar
hui su committed
703 704 705 706 707 708
      shift = x & 0xFF;
      shift = ROUND_POWER_OF_TWO(shift, 8 - SUBPEL_BITS);
      if (shift == SUBPEL_SHIFTS) {
        base += 1;
        shift = 0;
      }
Yaowu Xu's avatar
Yaowu Xu committed
709
      len = AOMMIN(bs, 2 * bs - 1 - base);
hui su's avatar
hui su committed
710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729
      if (len <= 0) {
        int i;
        for (i = r; i < bs; ++i) {
          memset(dst, above[2 * bs - 1], bs * sizeof(dst[0]));
          dst += stride;
        }
        return;
      }

      if (len <= (bs >> 1) && !flags[shift]) {
        base = x >> 8;
        shift = x & 0xFF;
        for (c = 0; c < len; ++c) {
          val = intra_subpel_interp(base, shift, above, 0, 2 * bs - 1,
                                    filter_type);
          dst[c] = clip_pixel(val);
          ++base;
        }
      } else {
        if (!flags[shift]) {
Yaowu Xu's avatar
Yaowu Xu committed
730 731
          const int16_t *filter = av1_intra_filter_kernels[filter_type][shift];
          aom_convolve8_horiz(src + pad_size, 2 * bs, buf[shift], 2 * bs,
clang-format's avatar
clang-format committed
732 733
                              filter, 16, NULL, 16, 2 * bs,
                              2 * bs < 16 ? 2 : 1);
hui su's avatar
hui su committed
734 735 736
          flags[shift] = 1;
        }
        memcpy(dst, shift == 0 ? src + pad_size + base : &buf[shift][base],
clang-format's avatar
clang-format committed
737
               len * sizeof(dst[0]));
hui su's avatar
hui su committed
738 739 740 741 742 743 744
      }

      if (len < bs)
        memset(dst + len, above[2 * bs - 1], (bs - len) * sizeof(dst[0]));
    }
    return;
  }
hui su's avatar
hui su committed
745
#endif  // CONFIG_INTRA_INTERP
hui su's avatar
hui su committed
746

hui su's avatar
hui su committed
747 748
  x = dx;
  for (r = 0; r < bs; ++r, dst += stride, x += dx) {
hui su's avatar
hui su committed
749 750 751 752 753 754 755 756 757 758 759 760 761
    base = x >> 8;
    shift = x & 0xFF;

    if (base >= 2 * bs - 1) {
      int i;
      for (i = r; i < bs; ++i) {
        memset(dst, above[2 * bs - 1], bs * sizeof(dst[0]));
        dst += stride;
      }
      return;
    }

    for (c = 0; c < bs; ++c, ++base) {
hui su's avatar
hui su committed
762
      if (base < 2 * bs - 1) {
hui su's avatar
hui su committed
763 764
        val = above[base] * (256 - shift) + above[base + 1] * shift;
        val = ROUND_POWER_OF_TWO(val, 8);
hui su's avatar
hui su committed
765 766 767 768 769 770 771 772 773 774
        dst[c] = clip_pixel(val);
      } else {
        dst[c] = above[2 * bs - 1];
      }
    }
  }
}

// Directional prediction, zone 2: 90 < angle < 180
static void dr_prediction_z2(uint8_t *dst, ptrdiff_t stride, int bs,
hui su's avatar
hui su committed
775 776 777 778 779
                             const uint8_t *above, const uint8_t *left,
#if CONFIG_INTRA_INTERP
                             INTRA_FILTER filter_type,
#endif  // CONFIG_INTRA_INTERP
                             int dx, int dy) {
Debargha Mukherjee's avatar
Debargha Mukherjee committed
780
  int r, c, x, y, shift1, shift2, val, base1, base2;
hui su's avatar
hui su committed
781 782 783 784

  assert(dx > 0);
  assert(dy > 0);

hui su's avatar
hui su committed
785 786 787 788 789 790 791
  x = -dx;
  for (r = 0; r < bs; ++r, x -= dx, dst += stride) {
    base1 = x >> 8;
    y = (r << 8) - dy;
    for (c = 0; c < bs; ++c, ++base1, y -= dy) {
      if (base1 >= -1) {
        shift1 = x & 0xFF;
hui su's avatar
hui su committed
792
#if CONFIG_INTRA_INTERP
clang-format's avatar
clang-format committed
793 794
        val =
            intra_subpel_interp(base1, shift1, above, -1, bs - 1, filter_type);
hui su's avatar
hui su committed
795 796 797 798
#else
        val = above[base1] * (256 - shift1) + above[base1 + 1] * shift1;
        val = ROUND_POWER_OF_TWO(val, 8);
#endif  // CONFIG_INTRA_INTERP
hui su's avatar
hui su committed
799
      } else {
hui su's avatar
hui su committed
800
        base2 = y >> 8;
801
        assert(base2 >= -1);
802
        shift2 = y & 0xFF;
hui su's avatar
hui su committed
803
#if CONFIG_INTRA_INTERP
804
        val = intra_subpel_interp(base2, shift2, left, -1, bs - 1, filter_type);
hui su's avatar
hui su committed
805
#else
806 807
        val = left[base2] * (256 - shift2) + left[base2 + 1] * shift2;
        val = ROUND_POWER_OF_TWO(val, 8);
hui su's avatar
hui su committed
808
#endif  // CONFIG_INTRA_INTERP
hui su's avatar
hui su committed
809 810 811 812 813 814 815 816
      }
      dst[c] = clip_pixel(val);
    }
  }
}

// Directional prediction, zone 3: 180 < angle < 270
static void dr_prediction_z3(uint8_t *dst, ptrdiff_t stride, int bs,
hui su's avatar
hui su committed
817 818 819 820 821
                             const uint8_t *above, const uint8_t *left,
#if CONFIG_INTRA_INTERP
                             INTRA_FILTER filter_type,
#endif  // CONFIG_INTRA_INTERP
                             int dx, int dy) {
hui su's avatar
hui su committed
822
  int r, c, y, base, shift, val;
hui su's avatar
hui su committed
823 824 825

  (void)above;
  (void)dx;
826

hui su's avatar
hui su committed
827
  assert(dx == 1);
hui su's avatar
hui su committed
828
  assert(dy > 0);
hui su's avatar
hui su committed
829

hui su's avatar
hui su committed
830
#if CONFIG_INTRA_INTERP
hui su's avatar
hui su committed
831 832 833
  if (filter_type != INTRA_FILTER_LINEAR) {
    const int pad_size = SUBPEL_TAPS >> 1;
    int len, i;
834 835
    DECLARE_ALIGNED(16, uint8_t, buf[MAX_SB_SIZE][4 * SUBPEL_SHIFTS]);
    DECLARE_ALIGNED(16, uint8_t, src[(MAX_SB_SIZE + SUBPEL_TAPS) * 4]);
hui su's avatar
hui su committed
836 837 838
    uint8_t flags[SUBPEL_SHIFTS];

    memset(flags, 0, SUBPEL_SHIFTS * sizeof(flags[0]));
clang-format's avatar
clang-format committed
839 840
    for (i = 0; i < pad_size; ++i) src[4 * i] = left[0];
    for (i = 0; i < 2 * bs; ++i) src[4 * (i + pad_size)] = left[i];
hui su's avatar
hui su committed
841 842 843
    for (i = 0; i < pad_size; ++i)
      src[4 * (i + 2 * bs + pad_size)] = left[2 * bs - 1];
    flags[0] = 1;
hui su's avatar
hui su committed
844 845
    y = dy;
    for (c = 0; c < bs; ++c, y += dy) {
hui su's avatar
hui su committed
846
      base = y >> 8;
hui su's avatar
hui su committed
847 848 849 850 851 852
      shift = y & 0xFF;
      shift = ROUND_POWER_OF_TWO(shift, 8 - SUBPEL_BITS);
      if (shift == SUBPEL_SHIFTS) {
        base += 1;
        shift = 0;
      }
Yaowu Xu's avatar
Yaowu Xu committed
853
      len = AOMMIN(bs, 2 * bs - 1 - base);
hui su's avatar
hui su committed
854 855

      if (len <= 0) {
Debargha Mukherjee's avatar
Debargha Mukherjee committed
856
        for (r = 0; r < bs; ++r) {
clang-format's avatar
clang-format committed
857
          dst[r * stride + c] = left[2 * bs - 1];
hui su's avatar
hui su committed
858 859 860 861 862 863 864 865 866 867 868 869 870 871 872
        }
        continue;
      }

      if (len <= (bs >> 1) && !flags[shift]) {
        base = y >> 8;
        shift = y & 0xFF;
        for (r = 0; r < len; ++r) {
          val = intra_subpel_interp(base, shift, left, 0, 2 * bs - 1,
                                    filter_type);
          dst[r * stride + c] = clip_pixel(val);
          ++base;
        }
      } else {
        if (!flags[shift]) {
Yaowu Xu's avatar
Yaowu Xu committed
873 874
          const int16_t *filter = av1_intra_filter_kernels[filter_type][shift];
          aom_convolve8_vert(src + 4 * pad_size, 4, buf[0] + 4 * shift,
clang-format's avatar
clang-format committed
875
                             4 * SUBPEL_SHIFTS, NULL, 16, filter, 16,
hui su's avatar
hui su committed
876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892
                             2 * bs < 16 ? 4 : 4, 2 * bs);
          flags[shift] = 1;
        }

        if (shift == 0) {
          for (r = 0; r < len; ++r) {
            dst[r * stride + c] = left[r + base];
          }
        } else {
          for (r = 0; r < len; ++r) {
            dst[r * stride + c] = buf[r + base][4 * shift];
          }
        }
      }

      if (len < bs) {
        for (r = len; r < bs; ++r) {
clang-format's avatar
clang-format committed
893
          dst[r * stride + c] = left[2 * bs - 1];
hui su's avatar
hui su committed
894 895 896 897 898
        }
      }
    }
    return;
  }
hui su's avatar
hui su committed
899
#endif  // CONFIG_INTRA_INTERP
hui su's avatar
hui su committed
900

hui su's avatar
hui su committed
901 902
  y = dy;
  for (c = 0; c < bs; ++c, y += dy) {
hui su's avatar
hui su committed
903 904 905 906
    base = y >> 8;
    shift = y & 0xFF;

    for (r = 0; r < bs; ++r, ++base) {
907
      if (base < 2 * bs - 1) {
hui su's avatar
hui su committed
908 909 910
        val = left[base] * (256 - shift) + left[base + 1] * shift;
        val = ROUND_POWER_OF_TWO(val, 8);
        dst[r * stride + c] = clip_pixel(val);
hui su's avatar
hui su committed
911
      } else {
clang-format's avatar
clang-format committed
912
        for (; r < bs; ++r) dst[r * stride + c] = left[2 * bs - 1];
hui su's avatar
hui su committed
913
        break;
hui su's avatar
hui su committed
914 915 916 917 918
      }
    }
  }
}

919 920 921 922
// Get the shift (up-scaled by 256) in X w.r.t a unit change in Y.
// If angle > 0 && angle < 90, dx = -((int)(256 / t));
// If angle > 90 && angle < 180, dx = (int)(256 / t);
// If angle > 180 && angle < 270, dx = 1;
Yaowu Xu's avatar
Yaowu Xu committed
923
static INLINE int get_dx(int angle) {
924
  if (angle > 0 && angle < 90) {
hui su's avatar
hui su committed
925
    return dr_intra_derivative[angle];
926 927 928 929 930 931 932 933 934 935 936 937
  } else if (angle > 90 && angle < 180) {
    return dr_intra_derivative[180 - angle];
  } else {
    // In this case, we are not really going to use dx. We may return any value.
    return 1;
  }
}

// Get the shift (up-scaled by 256) in Y w.r.t a unit change in X.
// If angle > 0 && angle < 90, dy = 1;
// If angle > 90 && angle < 180, dy = (int)(256 * t);
// If angle > 180 && angle < 270, dy = -((int)(256 * t));
Yaowu Xu's avatar
Yaowu Xu committed
938
static INLINE int get_dy(int angle) {
939
  if (angle > 90 && angle < 180) {
clang-format's avatar
clang-format committed
940 941
    return dr_intra_derivative[angle - 90];
  } else if (angle > 180 && angle < 270) {
hui su's avatar
hui su committed
942
    return dr_intra_derivative[270 - angle];
clang-format's avatar
clang-format committed
943
  } else {
944 945 946 947 948
    // In this case, we are not really going to use dy. We may return any value.
    return 1;
  }
}

hui su's avatar
hui su committed
949
static void dr_predictor(uint8_t *dst, ptrdiff_t stride, TX_SIZE tx_size,
hui su's avatar
hui su committed
950 951 952 953 954
                         const uint8_t *above, const uint8_t *left,
#if CONFIG_INTRA_INTERP
                         INTRA_FILTER filter_type,
#endif  // CONFIG_INTRA_INTERP
                         int angle) {
955 956
  const int dx = get_dx(angle);
  const int dy = get_dy(angle);
957
  const int bs = tx_size_wide[tx_size];
958 959
  assert(angle > 0 && angle < 270);

hui su's avatar
hui su committed
960
  if (angle > 0 && angle < 90) {
hui su's avatar
hui su committed
961 962 963 964 965
    dr_prediction_z1(dst, stride, bs, above, left,
#if CONFIG_INTRA_INTERP
                     filter_type,
#endif  // CONFIG_INTRA_INTERP
                     dx, dy);
hui su's avatar
hui su committed
966
  } else if (angle > 90 && angle < 180) {
hui su's avatar
hui su committed
967 968 969 970 971
    dr_prediction_z2(dst, stride, bs, above, left,
#if CONFIG_INTRA_INTERP
                     filter_type,
#endif  // CONFIG_INTRA_INTERP
                     dx, dy);
hui su's avatar
hui su committed
972
  } else if (angle > 180 && angle < 270) {
hui su's avatar
hui su committed
973 974 975 976 977
    dr_prediction_z3(dst, stride, bs, above, left,
#if CONFIG_INTRA_INTERP
                     filter_type,
#endif  // CONFIG_INTRA_INTERP
                     dx, dy);
hui su's avatar
hui su committed
978
  } else if (angle == 90) {
hui su's avatar
hui su committed
979
    pred[V_PRED][tx_size](dst, stride, above, left);
hui su's avatar
hui su committed
980
  } else if (angle == 180) {
hui su's avatar
hui su committed
981
    pred[H_PRED][tx_size](dst, stride, above, left);
hui su's avatar
hui su committed
982 983 984
  }
}

985
#if CONFIG_HIGHBITDEPTH
hui su's avatar
hui su committed
986
#if CONFIG_INTRA_INTERP