reconintra.c 56.7 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

Yaowu Xu's avatar
Yaowu Xu committed
19
20
21
22
#if CONFIG_AOM_HIGHBITDEPTH
#include "aom_dsp/aom_dsp_common.h"
#endif  // CONFIG_AOM_HIGHBITDEPTH
#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"
Jingning Han's avatar
Jingning Han committed
27

28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
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
  NEED_LEFT | NEED_ABOVE | NEED_ABOVELEFT,  // TM
};
Jingning Han's avatar
Jingning Han committed
48

49
50
51
52
static const uint8_t orders_128x128[1] = { 0 };
static const uint8_t orders_128x64[2] = { 0, 1 };
static const uint8_t orders_64x128[2] = { 0, 1 };
static const uint8_t orders_64x64[4] = {
clang-format's avatar
clang-format committed
53
  0, 1, 2, 3,
54
};
55
static const uint8_t orders_64x32[8] = {
clang-format's avatar
clang-format committed
56
  0, 2, 1, 3, 4, 6, 5, 7,
57
};
58
static const uint8_t orders_32x64[8] = {
clang-format's avatar
clang-format committed
59
  0, 1, 2, 3, 4, 5, 6, 7,
60
};
61
static const uint8_t orders_32x32[16] = {
clang-format's avatar
clang-format committed
62
  0, 1, 4, 5, 2, 3, 6, 7, 8, 9, 12, 13, 10, 11, 14, 15,
63
};
64
static const uint8_t orders_32x16[32] = {
clang-format's avatar
clang-format committed
65
66
  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,
67
};
68
static const uint8_t orders_16x32[32] = {
clang-format's avatar
clang-format committed
69
70
  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,
71
};
72
static const uint8_t orders_16x16[64] = {
clang-format's avatar
clang-format committed
73
74
75
76
  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,
77
};
78
79
80

#if CONFIG_EXT_PARTITION
static const uint8_t orders_16x8[128] = {
clang-format's avatar
clang-format committed
81
82
83
84
85
86
87
88
  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,
89
90
};
static const uint8_t orders_8x16[128] = {
clang-format's avatar
clang-format committed
91
92
93
94
95
  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,
96
97
98
99
100
  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,
};
static const uint8_t orders_8x8[256] = {
clang-format's avatar
clang-format committed
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
  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,
119
120
};

clang-format's avatar
clang-format committed
121
/* clang-format off */
122
static const uint8_t *const orders[BLOCK_SIZES] = {
123
124
125
126
127
128
129
130
131
132
133
134
  //                              4X4
                                  orders_8x8,
  // 4X8,         8X4,            8X8
  orders_8x8,     orders_8x8,     orders_8x8,
  // 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
135
};
clang-format's avatar
clang-format committed
136
/* clang-format on */
137
#else
clang-format's avatar
clang-format committed
138
/* clang-format off */
139
140
141
142
143
144
145
146
147
148
149
150
static const uint8_t *const orders[BLOCK_SIZES] = {
  //                              4X4
                                  orders_16x16,
  // 4X8,         8X4,            8X8
  orders_16x16,   orders_16x16,   orders_16x16,
  // 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
151
/* clang-format on */
152
153
#endif  // CONFIG_EXT_PARTITION

154
#if CONFIG_EXT_PARTITION_TYPES
155
static const uint8_t orders_verta_64x64[4] = {
clang-format's avatar
clang-format committed
156
  0, 2, 1, 2,
157
};
158
static const uint8_t orders_verta_32x32[16] = {
clang-format's avatar
clang-format committed
159
  0, 2, 4, 6, 1, 2, 5, 6, 8, 10, 12, 14, 9, 10, 13, 14,
160
};
161
static const uint8_t orders_verta_16x16[64] = {
clang-format's avatar
clang-format committed
162
163
164
165
  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,
166
};
167
168
#if CONFIG_EXT_PARTITION
static const uint8_t orders_verta_8x8[256] = {
clang-format's avatar
clang-format committed
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
  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,
187
};
clang-format's avatar
clang-format committed
188
189

/* clang-format off */
190
191
192
193
194
195
196
197
198
199
200
201
202
203
static const uint8_t *const orders_verta[BLOCK_SIZES] = {
  //                                  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
204
/* clang-format on */
205
#else
clang-format's avatar
clang-format committed
206
/* clang-format off */
207
static const uint8_t *const orders_verta[BLOCK_SIZES] = {
208
209
210
211
212
213
214
215
216
217
  //                                      4X4
                                          orders_verta_16x16,
  // 4X8,             8X4,                8X8
  orders_verta_16x16, orders_verta_16x16, orders_verta_16x16,
  // 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
218
};
clang-format's avatar
clang-format committed
219
/* clang-format on */
220
#endif  // CONFIG_EXT_PARTITION
221
#endif  // CONFIG_EXT_PARTITION_TYPES
222

Yaowu Xu's avatar
Yaowu Xu committed
223
224
static int av1_has_right(BLOCK_SIZE bsize, int mi_row, int mi_col,
                         int right_available,
225
#if CONFIG_EXT_PARTITION_TYPES
Yaowu Xu's avatar
Yaowu Xu committed
226
                         PARTITION_TYPE partition,
227
#endif
Yaowu Xu's avatar
Yaowu Xu committed
228
                         TX_SIZE txsz, int y, int x, int ss_x) {
hui su's avatar
hui su committed
229
  const int wl = mi_width_log2_lookup[bsize];
Yaowu Xu's avatar
Yaowu Xu committed
230
  const int w = AOMMAX(num_4x4_blocks_wide_lookup[bsize] >> ss_x, 1);
hui su's avatar
hui su committed
231
232
  const int step = 1 << txsz;

233
234
235
236
237
238
239
240
  // 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.
  if (bsize == BLOCK_4X8 && y == 1) return 0;

241
242
243
244
  if (!right_available) {
    return 0;
  } else {
    // Handle block size 4x8 and 4x4
clang-format's avatar
clang-format committed
245
    if (ss_x == 0 && num_4x4_blocks_wide_lookup[bsize] < 2 && x == 0) return 1;
246

247
248
249
250
    if (y == 0) {
      const int hl = mi_height_log2_lookup[bsize];
      const uint8_t *order;
      int my_order, tr_order;
251
#if CONFIG_EXT_PARTITION_TYPES
252
253
254
      if (partition == PARTITION_VERT_A)
        order = orders_verta[bsize];
      else
255
#endif  // CONFIG_EXT_PARTITION_TYPES
clang-format's avatar
clang-format committed
256
        order = orders[bsize];
257

clang-format's avatar
clang-format committed
258
      if (x + step < w) return 1;
259

260
261
      mi_row = (mi_row & MAX_MIB_MASK) >> hl;
      mi_col = (mi_col & MAX_MIB_MASK) >> wl;
262

263
      // If top row of coding unit
clang-format's avatar
clang-format committed
264
      if (mi_row == 0) return 1;
265

266
      // If rightmost column of coding unit
clang-format's avatar
clang-format committed
267
      if (((mi_col + 1) << wl) >= MAX_MIB_SIZE) return 0;
268

269
270
      my_order = order[((mi_row + 0) << (MAX_MIB_SIZE_LOG2 - wl)) + mi_col + 0];
      tr_order = order[((mi_row - 1) << (MAX_MIB_SIZE_LOG2 - wl)) + mi_col + 1];
271

272
273
274
275
      return my_order > tr_order;
    } else {
      return x + step < w;
    }
276
277
278
  }
}

Yaowu Xu's avatar
Yaowu Xu committed
279
280
281
static int av1_has_bottom(BLOCK_SIZE bsize, int mi_row, int mi_col,
                          int bottom_available, TX_SIZE txsz, int y, int x,
                          int ss_y) {
282
283
284
  if (!bottom_available || x != 0) {
    return 0;
  } else {
hui su's avatar
hui su committed
285
286
287
288
    const int wl = mi_width_log2_lookup[bsize];
    const int hl = mi_height_log2_lookup[bsize];
    const int h = 1 << (hl + 1 - ss_y);
    const int step = 1 << txsz;
289
290
291
    const uint8_t *order = orders[bsize];
    int my_order, bl_order;

292
    // Handle block size 8x4 and 4x4
clang-format's avatar
clang-format committed
293
    if (ss_y == 0 && num_4x4_blocks_high_lookup[bsize] < 2 && y == 0) return 1;
294

clang-format's avatar
clang-format committed
295
    if (y + step < h) return 1;
296

297
298
    mi_row = (mi_row & MAX_MIB_MASK) >> hl;
    mi_col = (mi_col & MAX_MIB_MASK) >> wl;
299
300

    if (mi_col == 0)
301
      return (mi_row << (hl + !ss_y)) + y + step < (MAX_MIB_SIZE << !ss_y);
302

clang-format's avatar
clang-format committed
303
    if (((mi_row + 1) << hl) >= MAX_MIB_SIZE) return 0;
304

305
306
    my_order = order[((mi_row + 0) << (MAX_MIB_SIZE_LOG2 - wl)) + mi_col + 0];
    bl_order = order[((mi_row + 1) << (MAX_MIB_SIZE_LOG2 - wl)) + mi_col - 1];
307

308
    return bl_order < my_order;
309
310
  }
}
Jingning Han's avatar
Jingning Han committed
311
312
313
314
315
316
317

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];

Yaowu Xu's avatar
Yaowu Xu committed
318
#if CONFIG_AOM_HIGHBITDEPTH
Jingning Han's avatar
Jingning Han committed
319
320
321
322
323
typedef void (*intra_high_pred_fn)(uint16_t *dst, ptrdiff_t stride,
                                   const uint16_t *above, const uint16_t *left,
                                   int bd);
static intra_high_pred_fn pred_high[INTRA_MODES][4];
static intra_high_pred_fn dc_pred_high[2][2][4];
Yaowu Xu's avatar
Yaowu Xu committed
324
#endif  // CONFIG_AOM_HIGHBITDEPTH
Jingning Han's avatar
Jingning Han committed
325

Yaowu Xu's avatar
Yaowu Xu committed
326
static void av1_init_intra_predictors_internal(void) {
clang-format's avatar
clang-format committed
327
#define INIT_NO_4X4(p, type)                  \
Yaowu Xu's avatar
Yaowu Xu committed
328
329
330
  p[TX_8X8] = aom_##type##_predictor_8x8;     \
  p[TX_16X16] = aom_##type##_predictor_16x16; \
  p[TX_32X32] = aom_##type##_predictor_32x32
Jingning Han's avatar
Jingning Han committed
331

clang-format's avatar
clang-format committed
332
#define INIT_ALL_SIZES(p, type)           \
Yaowu Xu's avatar
Yaowu Xu committed
333
  p[TX_4X4] = aom_##type##_predictor_4x4; \
334
335
  INIT_NO_4X4(p, type)

Jingning Han's avatar
Jingning Han committed
336
337
  INIT_ALL_SIZES(pred[V_PRED], v);
  INIT_ALL_SIZES(pred[H_PRED], h);
338
339
340
  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
341
342
343
  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
344
345
346
347

#if CONFIG_ALT_INTRA
  INIT_ALL_SIZES(pred[TM_PRED], paeth);
#else
Jingning Han's avatar
Jingning Han committed
348
  INIT_ALL_SIZES(pred[TM_PRED], tm);
Urvang Joshi's avatar
Urvang Joshi committed
349
#endif  // CONFIG_ALT_INTRA
Jingning Han's avatar
Jingning Han committed
350
351
352
353
354
355

  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);

Yaowu Xu's avatar
Yaowu Xu committed
356
#if CONFIG_AOM_HIGHBITDEPTH
Jingning Han's avatar
Jingning Han committed
357
358
  INIT_ALL_SIZES(pred_high[V_PRED], highbd_v);
  INIT_ALL_SIZES(pred_high[H_PRED], highbd_h);
359
360
361
  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
362
363
364
  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
365
366
367
368

#if CONFIG_ALT_INTRA
  INIT_ALL_SIZES(pred_high[TM_PRED], highbd_paeth);
#else
Jingning Han's avatar
Jingning Han committed
369
  INIT_ALL_SIZES(pred_high[TM_PRED], highbd_tm);
Urvang Joshi's avatar
Urvang Joshi committed
370
#endif  // CONFIG_ALT_INTRA
Jingning Han's avatar
Jingning Han committed
371
372
373
374
375

  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);
Yaowu Xu's avatar
Yaowu Xu committed
376
#endif  // CONFIG_AOM_HIGHBITDEPTH
Jingning Han's avatar
Jingning Han committed
377
378
379
380

#undef intra_pred_allsizes
}

hui su's avatar
hui su committed
381
#if CONFIG_EXT_INTRA
382
383
384
385
386
387
388
389
390
391
392
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
393
    filter = av1_intra_filter_kernels[filter_type][filter_idx];
394
395
396
397
398

    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
399
        idx = AOMMAX(AOMMIN(idx, ref_end_idx), ref_start_idx);
400
401
402
403
404
405
406
407
408
409
410
        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
411
412
// Directional prediction, zone 1: 0 < angle < 90
static void dr_prediction_z1(uint8_t *dst, ptrdiff_t stride, int bs,
clang-format's avatar
clang-format committed
413
414
                             const uint8_t *above, const uint8_t *left, int dx,
                             int dy, INTRA_FILTER filter_type) {
hui su's avatar
hui su committed
415
  int r, c, x, base, shift, val;
hui su's avatar
hui su committed
416
417
418
419
420
421

  (void)left;
  (void)dy;
  assert(dy == 1);
  assert(dx < 0);

hui su's avatar
hui su committed
422
423
424
  if (filter_type != INTRA_FILTER_LINEAR) {
    const int pad_size = SUBPEL_TAPS >> 1;
    int len;
425
426
    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
427
428
429
430
431
432
433
434
435
436
    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;
    x = -dx;
    for (r = 0; r < bs; ++r, dst += stride, x -= dx) {
hui su's avatar
hui su committed
437
      base = x >> 8;
hui su's avatar
hui su committed
438
439
440
441
442
443
      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
444
      len = AOMMIN(bs, 2 * bs - 1 - base);
hui su's avatar
hui su committed
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
      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
465
466
          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
467
468
                              filter, 16, NULL, 16, 2 * bs,
                              2 * bs < 16 ? 2 : 1);
hui su's avatar
hui su committed
469
470
471
          flags[shift] = 1;
        }
        memcpy(dst, shift == 0 ? src + pad_size + base : &buf[shift][base],
clang-format's avatar
clang-format committed
472
               len * sizeof(dst[0]));
hui su's avatar
hui su committed
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
      }

      if (len < bs)
        memset(dst + len, above[2 * bs - 1], (bs - len) * sizeof(dst[0]));
    }
    return;
  }

  // For linear filter, C code is faster.
  x = -dx;
  for (r = 0; r < bs; ++r, dst += stride, x -= dx) {
    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
497
      if (base < 2 * bs - 1) {
hui su's avatar
hui su committed
498
499
        val = above[base] * (256 - shift) + above[base + 1] * shift;
        val = ROUND_POWER_OF_TWO(val, 8);
hui su's avatar
hui su committed
500
501
502
503
504
505
506
507
508
509
        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,
clang-format's avatar
clang-format committed
510
511
                             const uint8_t *above, const uint8_t *left, int dx,
                             int dy, INTRA_FILTER filter_type) {
Debargha Mukherjee's avatar
Debargha Mukherjee committed
512
  int r, c, x, y, shift1, shift2, val, base1, base2;
hui su's avatar
hui su committed
513
514
515
516

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

hui su's avatar
hui su committed
517
518
519
520
521
522
523
  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;
clang-format's avatar
clang-format committed
524
525
        val =
            intra_subpel_interp(base1, shift1, above, -1, bs - 1, filter_type);
hui su's avatar
hui su committed
526
      } else {
hui su's avatar
hui su committed
527
528
529
        base2 = y >> 8;
        if (base2 >= 0) {
          shift2 = y & 0xFF;
clang-format's avatar
clang-format committed
530
531
          val =
              intra_subpel_interp(base2, shift2, left, 0, bs - 1, filter_type);
hui su's avatar
hui su committed
532
        } else {
533
          val = left[0];
hui su's avatar
hui su committed
534
535
536
537
538
539
540
541
542
        }
      }
      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,
clang-format's avatar
clang-format committed
543
544
                             const uint8_t *above, const uint8_t *left, int dx,
                             int dy, INTRA_FILTER filter_type) {
hui su's avatar
hui su committed
545
  int r, c, y, base, shift, val;
hui su's avatar
hui su committed
546
547
548

  (void)above;
  (void)dx;
549

hui su's avatar
hui su committed
550
551
552
  assert(dx == 1);
  assert(dy < 0);

hui su's avatar
hui su committed
553
554
555
  if (filter_type != INTRA_FILTER_LINEAR) {
    const int pad_size = SUBPEL_TAPS >> 1;
    int len, i;
556
557
    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
558
559
560
    uint8_t flags[SUBPEL_SHIFTS];

    memset(flags, 0, SUBPEL_SHIFTS * sizeof(flags[0]));
clang-format's avatar
clang-format committed
561
562
    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
563
564
565
566
567
    for (i = 0; i < pad_size; ++i)
      src[4 * (i + 2 * bs + pad_size)] = left[2 * bs - 1];
    flags[0] = 1;
    y = -dy;
    for (c = 0; c < bs; ++c, y -= dy) {
hui su's avatar
hui su committed
568
      base = y >> 8;
hui su's avatar
hui su committed
569
570
571
572
573
574
      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
575
      len = AOMMIN(bs, 2 * bs - 1 - base);
hui su's avatar
hui su committed
576
577

      if (len <= 0) {
Debargha Mukherjee's avatar
Debargha Mukherjee committed
578
        for (r = 0; r < bs; ++r) {
clang-format's avatar
clang-format committed
579
          dst[r * stride + c] = left[2 * bs - 1];
hui su's avatar
hui su committed
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
        }
        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
595
596
          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
597
                             4 * SUBPEL_SHIFTS, NULL, 16, filter, 16,
hui su's avatar
hui su committed
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
                             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
615
          dst[r * stride + c] = left[2 * bs - 1];
hui su's avatar
hui su committed
616
617
618
619
620
621
622
623
624
625
626
627
628
        }
      }
    }
    return;
  }

  // For linear filter, C code is faster.
  y = -dy;
  for (c = 0; c < bs; ++c, y -= dy) {
    base = y >> 8;
    shift = y & 0xFF;

    for (r = 0; r < bs; ++r, ++base) {
629
      if (base < 2 * bs - 1) {
hui su's avatar
hui su committed
630
631
632
        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
633
      } else {
clang-format's avatar
clang-format committed
634
        for (; r < bs; ++r) dst[r * stride + c] = left[2 * bs - 1];
hui su's avatar
hui su committed
635
        break;
hui su's avatar
hui su committed
636
637
638
639
640
      }
    }
  }
}

641
642
643
644
// 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
645
static INLINE int get_dx(int angle) {
646
647
648
649
650
651
652
653
654
655
656
657
658
659
  if (angle > 0 && angle < 90) {
    return -dr_intra_derivative[angle];
  } 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
660
static INLINE int get_dy(int angle) {
661
  if (angle > 90 && angle < 180) {
clang-format's avatar
clang-format committed
662
663
664
665
    return dr_intra_derivative[angle - 90];
  } else if (angle > 180 && angle < 270) {
    return -dr_intra_derivative[270 - angle];
  } else {
666
667
668
669
670
    // 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
671
static void dr_predictor(uint8_t *dst, ptrdiff_t stride, TX_SIZE tx_size,
672
673
                         const uint8_t *above, const uint8_t *left, int angle,
                         INTRA_FILTER filter_type) {
674
675
  const int dx = get_dx(angle);
  const int dy = get_dy(angle);
676
  const int bs = 4 * num_4x4_blocks_wide_txsize_lookup[tx_size];
677
678
  assert(angle > 0 && angle < 270);

hui su's avatar
hui su committed
679
  if (angle > 0 && angle < 90) {
680
    dr_prediction_z1(dst, stride, bs, above, left, dx, dy, filter_type);
hui su's avatar
hui su committed
681
  } else if (angle > 90 && angle < 180) {
682
    dr_prediction_z2(dst, stride, bs, above, left, dx, dy, filter_type);
hui su's avatar
hui su committed
683
  } else if (angle > 180 && angle < 270) {
684
    dr_prediction_z3(dst, stride, bs, above, left, dx, dy, filter_type);
hui su's avatar
hui su committed
685
  } else if (angle == 90) {
hui su's avatar
hui su committed
686
    pred[V_PRED][tx_size](dst, stride, above, left);
hui su's avatar
hui su committed
687
  } else if (angle == 180) {
hui su's avatar
hui su committed
688
    pred[H_PRED][tx_size](dst, stride, above, left);
hui su's avatar
hui su committed
689
690
691
  }
}

Yaowu Xu's avatar
Yaowu Xu committed
692
#if CONFIG_AOM_HIGHBITDEPTH
693
694
695
696
697
698
699
700
701
702
703
static int highbd_intra_subpel_interp(int base, int shift, const uint16_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
704
    filter = av1_intra_filter_kernels[filter_type][filter_idx];
705
706
707
708
709

    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
710
        idx = AOMMAX(AOMMIN(idx, ref_end_idx), ref_start_idx);
711
712
713
714
715
716
717
718
719
720
721
        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
722
723
724
// Directional prediction, zone 1: 0 < angle < 90
static void highbd_dr_prediction_z1(uint16_t *dst, ptrdiff_t stride, int bs,
                                    const uint16_t *above, const uint16_t *left,
725
726
                                    int dx, int dy, int bd,
                                    INTRA_FILTER filter_type) {
hui su's avatar
hui su committed
727
728
729
730
731
732
733
734
735
736
  int r, c, x, y, base, shift, val;

  (void)left;
  (void)dy;
  assert(dy == 1);
  assert(dx < 0);

  for (r = 0; r < bs; ++r) {
    y = r + 1;
    for (c = 0; c < bs; ++c) {
737
      x = (c << 8) - y * dx;
hui su's avatar
hui su committed
738
      base = x >> 8;
739
      shift = x & 0xFF;
hui su's avatar
hui su committed
740
      if (base < 2 * bs - 1) {
741
742
        val = highbd_intra_subpel_interp(base, shift, above, 0, 2 * bs - 1,
                                         filter_type);
hui su's avatar
hui su committed
743
744
745
746
747
748
749
750
751
752
753
754
        dst[c] = clip_pixel_highbd(val, bd);
      } else {
        dst[c] = above[2 * bs - 1];
      }
    }
    dst += stride;
  }
}

// Directional prediction, zone 2: 90 < angle < 180
static void highbd_dr_prediction_z2(uint16_t *dst, ptrdiff_t stride, int bs,
                                    const uint16_t *above, const uint16_t *left,
755
756
757
                                    int dx, int dy, int bd,
                                    INTRA_FILTER filter_type) {
  int r, c, x, y, shift, val, base;
hui su's avatar
hui su committed
758
759
760
761
762
763
764

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

  for (r = 0; r < bs; ++r) {
    for (c = 0; c < bs; ++c) {
      y = r + 1;
765
766
767
      x = (c << 8) - y * dx;
      base = x >> 8;
      if (base >= -1) {
768
        shift = x & 0xFF;
769
770
        val = highbd_intra_subpel_interp(base, shift, above, -1, bs - 1,
                                         filter_type);
hui su's avatar
hui su committed
771
772
      } else {
        x = c + 1;
773
        y = (r << 8) - x * dy;
hui su's avatar
hui su committed
774
775
        base = y >> 8;
        if (base >= 0) {
776
          shift = y & 0xFF;
777
778
          val = highbd_intra_subpel_interp(base, shift, left, 0, bs - 1,
                                           filter_type);
hui su's avatar
hui su committed
779
        } else {
780
          val = left[0];
hui su's avatar
hui su committed
781
782
783
784
785
786
787
788
789
790
791
        }
      }
      dst[c] = clip_pixel_highbd(val, bd);
    }
    dst += stride;
  }
}

// Directional prediction, zone 3: 180 < angle < 270
static void highbd_dr_prediction_z3(uint16_t *dst, ptrdiff_t stride, int bs,
                                    const uint16_t *above, const uint16_t *left,
792
793
                                    int dx, int dy, int bd,
                                    INTRA_FILTER filter_type) {
hui su's avatar
hui su committed
794
795
796
797
798
799
800
801
802
803
  int r, c, x, y, base, shift, val;

  (void)above;
  (void)dx;
  assert(dx == 1);
  assert(dy < 0);

  for (r = 0; r < bs; ++r) {
    for (c = 0; c < bs; ++c) {
      x = c + 1;
804
      y = (r << 8) - x * dy;
hui su's avatar
hui su committed
805
      base = y >> 8;
806
      shift = y & 0xFF;
807
      if (base < 2 * bs - 1) {
808
809
        val = highbd_intra_subpel_interp(base, shift, left, 0, 2 * bs - 1,
                                         filter_type);
hui su's avatar
hui su committed
810
811
        dst[c] = clip_pixel_highbd(val, bd);
      } else {
812
        dst[c] = left[2 * bs - 1];
hui su's avatar
hui su committed
813
814
815
816
817
818
      }
    }
    dst += stride;
  }
}

clang-format's avatar
clang-format committed
819
820
static INLINE void highbd_v_predictor(uint16_t *dst, ptrdiff_t stride, int bs,
                                      const uint16_t *above,
hui su's avatar
hui su committed
821
822
                                      const uint16_t *left, int bd) {
  int r;
clang-format's avatar
clang-format committed
823
824
  (void)left;
  (void)bd;
hui su's avatar
hui su committed
825
826
827
828
829
830
  for (r = 0; r < bs; r++) {
    memcpy(dst, above, bs * sizeof(uint16_t));
    dst += stride;
  }
}

clang-format's avatar
clang-format committed
831
832
static INLINE void highbd_h_predictor(uint16_t *dst, ptrdiff_t stride, int bs,
                                      const uint16_t *above,
hui su's avatar
hui su committed
833
834
                                      const uint16_t *left, int bd) {
  int r;
clang-format's avatar
clang-format committed
835
836
  (void)above;
  (void)bd;
hui su's avatar
hui su committed
837
  for (r = 0; r < bs; r++) {
Yaowu Xu's avatar
Yaowu Xu committed
838
    aom_memset16(dst, left[r], bs);
hui su's avatar
hui su committed
839
840
841
842
843
844
    dst += stride;
  }
}

static void highbd_dr_predictor(uint16_t *dst, ptrdiff_t stride, int bs,
                                const uint16_t *above, const uint16_t *left,
845
                                int angle, int bd, INTRA_FILTER filter) {
846
847
  const int dx = get_dx(angle);
  const int dy = get_dy(angle);
848
  assert(angle > 0 && angle < 270);
hui su's avatar
hui su committed
849
850

  if (angle > 0 && angle < 90) {
851
    highbd_dr_prediction_z1(dst, stride, bs, above, left, dx, dy, bd, filter);
hui su's avatar
hui su committed
852
  } else if (angle > 90 && angle < 180) {
853
    highbd_dr_prediction_z2(dst, stride, bs, above, left, dx, dy, bd, filter);
hui su's avatar
hui su committed
854
  } else if (angle > 180 && angle < 270) {
855
    highbd_dr_prediction_z3(dst, stride, bs, above, left, dx, dy, bd, filter);
hui su's avatar
hui su committed
856
857
858
859
860
861
  } else if (angle == 90) {
    highbd_v_predictor(dst, stride, bs, above, left, bd);
  } else if (angle == 180) {
    highbd_h_predictor(dst, stride, bs, above, left, bd);
  }
}
862
863
#endif  // CONFIG_AOM_HIGHBITDEPTH
#endif  // CONFIG_EXT_INTRA
hui su's avatar
hui su committed
864

865
#if CONFIG_FILTER_INTRA
hui su's avatar
hui su committed
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
int av1_filter_intra_taps_4[TX_SIZES][INTRA_MODES][4] = {
  {
      { 735, 881, -537, -54 },
      { 1005, 519, -488, -11 },
      { 383, 990, -343, -6 },
      { 442, 805, -542, 319 },
      { 658, 616, -133, -116 },
      { 875, 442, -141, -151 },
      { 386, 741, -23, -80 },
      { 390, 1027, -446, 51 },
      { 679, 606, -523, 262 },
      { 903, 922, -778, -23 },
  },
  {
      { 648, 803, -444, 16 },
      { 972, 620, -576, 7 },
      { 561, 967, -499, -5 },
      { 585, 762, -468, 144 },
      { 596, 619, -182, -9 },
      { 895, 459, -176, -153 },
      { 557, 722, -126, -129 },
      { 601, 839, -523, 105 },
      { 562, 709, -499, 251 },
      { 803, 872, -695, 43 },
  },
  {
      { 423, 728, -347, 111 },
      { 963, 685, -665, 23 },
      { 281, 1024, -480, 216 },
      { 640, 596, -437, 78 },
      { 429, 669, -259, 99 },
      { 740, 646, -415, 23 },
      { 568, 771, -346, 40 },
      { 404, 833, -486, 209 },
      { 398, 712, -423, 307 },
      { 939, 935, -887, 17 },
  },
  {
      { 477, 737, -393, 150 },
      { 881, 630, -546, 67 },
      { 506, 984, -443, -20 },
      { 114, 459, -270, 528 },
      { 433, 528, 14, 3 },
      { 837, 470, -301, -30 },
      { 181, 777, 89, -107 },
      { -29, 716, -232, 259 },
      { 589, 646, -495, 255 },
      { 740, 884, -728, 77 },
  },
};

917
918
919
920
921
922
923
924
925
static void filter_intra_predictors_4tap(uint8_t *dst, ptrdiff_t stride, int bs,
                                         const uint8_t *above,
                                         const uint8_t *left, int mode) {
  int k, r, c;
  int buffer[33][65];
  int mean, ipred;
  const TX_SIZE tx_size =
      (bs == 32) ? TX_32X32
                 : ((bs == 16) ? TX_16X16 : ((bs == 8) ? TX_8X8 : (TX_4X4)));
hui su's avatar
hui su committed
926
927
928
929
  const int c0 = av1_filter_intra_taps_4[tx_size][mode][0];
  const int c1 = av1_filter_intra_taps_4[tx_size][mode][1];
  const int c2 = av1_filter_intra_taps_4[tx_size][mode][2];
  const int c3 = av1_filter_intra_taps_4[tx_size][mode][3];
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039

  k = 0;
  mean = 0;
  while (k < bs) {
    mean = mean + (int)left[k];
    mean = mean + (int)above[k];
    k++;
  }
  mean = (mean + bs) / (2 * bs);

  for (r = 0; r < bs; ++r) buffer[r + 1][0] = (int)left[r] - mean;

  for (c = 0; c < 2 * bs + 1; ++c) buffer[0][c] = (int)above[c - 1] - mean;

  for (r = 1; r < bs + 1; ++r)
    for (c = 1; c < 2 * bs + 1 - r; ++c) {
      ipred = c0 * buffer[r - 1][c] + c1 * buffer[r][c - 1] +
              c2 * buffer[r - 1][c - 1] + c3 * buffer[r - 1][c + 1];
      buffer[r][c] = ROUND_POWER_OF_TWO_SIGNED(ipred, FILTER_INTRA_PREC_BITS);
    }

  for (r = 0; r < bs; ++r) {
    for (c = 0; c < bs; ++c) {
      ipred = buffer[r + 1][c + 1] + mean;
      dst[c] = clip_pixel(ipred);
    }
    dst += stride;
  }
}

void av1_dc_filter_predictor_c(uint8_t *dst, ptrdiff_t stride, int bs,
                               const uint8_t *above, const uint8_t *left) {
  filter_intra_predictors_4tap(dst, stride, bs, above, left, DC_PRED);
}

void av1_v_filter_predictor_c(uint8_t *dst, ptrdiff_t stride, int bs,
                              const uint8_t *above, const uint8_t *left) {
  filter_intra_predictors_4tap(dst, stride, bs, above, left, V_PRED);
}

void av1_h_filter_predictor_c(uint8_t *dst, ptrdiff_t stride, int bs,
                              const uint8_t *above, const uint8_t *left) {
  filter_intra_predictors_4tap(dst, stride, bs, above, left, H_PRED);
}

void av1_d45_filter_predictor_c(uint8_t *dst, ptrdiff_t stride, int bs,
                                const uint8_t *above, const uint8_t *left) {
  filter_intra_predictors_4tap(dst, stride, bs, above, left, D45_PRED);
}

void av1_d135_filter_predictor_c(uint8_t *dst, ptrdiff_t stride, int bs,
                                 const uint8_t *above, const uint8_t *left) {
  filter_intra_predictors_4tap(dst, stride, bs, above, left, D135_PRED);
}

void av1_d117_filter_predictor_c(uint8_t *dst, ptrdiff_t stride, int bs,
                                 const uint8_t *above, const uint8_t *left) {
  filter_intra_predictors_4tap(dst, stride, bs, above, left, D117_PRED);
}

void av1_d153_filter_predictor_c(uint8_t *dst, ptrdiff_t stride, int bs,
                                 const uint8_t *above, const uint8_t *left) {
  filter_intra_predictors_4tap(dst, stride, bs, above, left, D153_PRED);
}

void av1_d207_filter_predictor_c(uint8_t *dst, ptrdiff_t stride, int bs,
                                 const uint8_t *above, const uint8_t *left) {
  filter_intra_predictors_4tap(dst, stride, bs, above, left, D207_PRED);
}

void av1_d63_filter_predictor_c(uint8_t *dst, ptrdiff_t stride, int bs,
                                const uint8_t *above, const uint8_t *left) {
  filter_intra_predictors_4tap(dst, stride, bs, above, left, D63_PRED);
}

void av1_tm_filter_predictor_c(uint8_t *dst, ptrdiff_t stride, int bs,
                               const uint8_t *above, const uint8_t *left) {
  filter_intra_predictors_4tap(dst, stride, bs, above, left, TM_PRED);
}

static void filter_intra_predictors(int mode, uint8_t *dst, ptrdiff_t stride,
                                    int bs, const uint8_t *above,
                                    const uint8_t *left) {
  switch (mode) {
    case DC_PRED: av1_dc_filter_predictor(dst, stride, bs, above, left); break;
    case V_PRED: av1_v_filter_predictor(dst, stride, bs, above, left); break;
    case H_PRED: av1_h_filter_predictor(dst, stride, bs, above, left); break;
    case D45_PRED:
      av1_d45_filter_predictor(dst, stride, bs, above, left);
      break;
    case D135_PRED:
      av1_d135_filter_predictor(dst, stride, bs, above, left);
      break;
    case D117_PRED:
      av1_d117_filter_predictor(dst, stride, bs, above, left);
      break;
    case D153_PRED:
      av1_d153_filter_predictor(dst, stride, bs, above, left);
      break;
    case D207_PRED:
      av1_d207_filter_predictor(dst, stride, bs, above, left);
      break;
    case D63_PRED:
      av1_d63_filter_predictor(dst, stride, bs, above, left);
      break;
    case TM_PRED: av1_tm_filter_predictor(dst, stride, bs, above, left); break;
    default: assert(0);
  }
}
#if CONFIG_AOM_HIGHBITDEPTH
hui su's avatar
hui su committed
1040
1041
1042
1043
1044
static void highbd_filter_intra_predictors_4tap(uint16_t *dst, ptrdiff_t stride,
                                                int bs, const uint16_t *above,
                                                const uint16_t *left, int mode,
                                                int bd) {
  int k, r, c;
1045
  int preds[33][65];
hui su's avatar
hui su committed
1046
  int mean, ipred;
clang-format's avatar
clang-format committed
1047
1048
1049
  const TX_SIZE tx_size =
      (bs == 32) ? TX_32X32
                 : ((bs == 16) ? TX_16X16 : ((bs == 8) ? TX_8X8 : (TX_4X4)));
hui su's avatar
hui su committed
1050
1051
1052
1053
  const int c0 = av1_filter_intra_taps_4[tx_size][mode][0];
  const int c1 = av1_filter_intra_taps_4[tx_size][mode][1];
  const int c2 = av1_filter_intra_taps_4[tx_size][mode][2];
  const int c3 = av1_filter_intra_taps_4[tx_size][mode][3];
hui su's avatar
hui su committed
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063

  k = 0;
  mean = 0;
  while (k < bs) {
    mean = mean + (int)left[k];
    mean = mean + (int)above[k];
    k++;
  }
  mean = (mean + bs) / (2 * bs);

1064
  for (r = 0; r < bs; ++r) preds[r + 1][0] = (int)left[r] - mean;
hui su's avatar
hui su committed
1065

1066
  for (c = 0; c < 2 * bs + 1; ++c) preds[0][c] = (int)above[c - 1] - mean;
hui su's avatar
hui su committed
1067
1068
1069

  for (r = 1; r < bs + 1; ++r)
    for (c = 1; c < 2 * bs + 1 - r; ++c) {
1070
1071
1072
      ipred = c0 * preds[r - 1][c] + c1 * preds[r][c - 1] +
              c2 * preds[r - 1][c - 1] + c3 * preds[r - 1][c + 1];
      preds[r][c] = ROUND_POWER_OF_TWO_SIGNED(ipred, FILTER_INTRA_PREC_BITS);
hui su's avatar
hui su committed
1073
1074
1075
1076
    }

  for (r = 0; r < bs; ++r) {
    for (c = 0; c < bs; ++c) {
1077
      ipred = preds[r + 1][c + 1] + mean;
hui su's avatar
hui su committed
1078
1079
1080
1081
1082
1083
      dst[c] = clip_pixel_highbd(ipred, bd);
    }
    dst += stride;
  }
}

Yaowu Xu's avatar
Yaowu Xu committed
1084
1085
1086
void av1_highbd_dc_filter_predictor_c(uint16_t *dst, ptrdiff_t stride, int bs,
                                      const uint16_t *above,
                                      const uint16_t *left, int bd) {
hui su's avatar
hui su committed
1087
1088
1089
1090
  highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left, DC_PRED,
                                      bd);
}

Yaowu Xu's avatar
Yaowu Xu committed
1091
1092
1093
void av1_highbd_v_filter_predictor_c(uint16_t *dst, ptrdiff_t stride, int bs,
                                     const uint16_t *above,
                                     const uint16_t *left, int bd) {
clang-format's avatar
clang-format committed
1094
  highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left, V_PRED, bd);
hui su's avatar
hui su committed
1095
1096
}

Yaowu Xu's avatar
Yaowu Xu committed
1097
1098
1099
void av1_highbd_h_filter_predictor_c(uint16_t *dst, ptrdiff_t stride, int bs,
                                     const uint16_t *above,
                                     const uint16_t *left, int bd) {
clang-format's avatar
clang-format committed
1100
  highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left, H_PRED, bd);
hui su's avatar
hui su committed
1101
1102
}

Yaowu Xu's avatar
Yaowu Xu committed
1103
1104
1105
void av1_highbd_d45_filter_predictor_c(uint16_t *dst, ptrdiff_t stride, int bs,
                                       const uint16_t *above,
                                       const uint16_t *left, int bd) {
hui su's avatar
hui su committed
1106
1107
1108
1109
  highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left, D45_PRED,
                                      bd);
}

Yaowu Xu's avatar
Yaowu Xu committed
1110
1111
1112
void av1_highbd_d135_filter_predictor_c(uint16_t *dst, ptrdiff_t stride, int bs,
                                        const uint16_t *above,
                                        const uint16_t *left, int bd) {
hui su's avatar
hui su committed
1113
1114
1115
1116
  highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left, D135_PRED,
                                      bd);
}

Yaowu Xu's avatar
Yaowu Xu committed
1117
1118
1119
void av1_highbd_d117_filter_predictor_c(uint16_t *dst, ptrdiff_t stride, int bs,
                                        const uint16_t *above,
                                        const uint16_t *left, int bd) {
hui su's avatar
hui su committed
1120
1121
1122
1123
  highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left, D117_PRED,
                                      bd);
}

Yaowu Xu's avatar
Yaowu Xu committed
1124
1125
1126
void av1_highbd_d153_filter_predictor_c(uint16_t *dst, ptrdiff_t stride, int bs,
                                        const uint16_t *above,
                                        const uint16_t *left, int bd) {
hui su's avatar
hui su committed
1127
1128
1129
1130
  highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left, D153_PRED,
                                      bd);
}

Yaowu Xu's avatar
Yaowu Xu committed
1131
1132
1133
void av1_highbd_d207_filter_predictor_c(uint16_t *dst, ptrdiff_t stride, int bs,
                                        const uint16_t *above,
                                        const uint16_t *left, int bd) {
hui su's avatar
hui su committed
1134
1135
1136
1137
  highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left, D207_PRED,
                                      bd);
}

Yaowu Xu's avatar
Yaowu Xu committed
1138
1139
1140
void av1_highbd_d63_filter_predictor_c(uint16_t *dst, ptrdiff_t stride, int bs,
                                       const uint16_t *above,
                                       const uint16_t *left, int bd) {
hui su's avatar
hui su committed
1141
1142
1143
1144
  highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left, D63_PRED,
                                      bd);
}

Yaowu Xu's avatar
Yaowu Xu committed
1145
1146
1147
void av1_highbd_tm_filter_predictor_c(uint16_t *dst, ptrdiff_t stride, int bs,
                                      const uint16_t *above,
                                      const uint16_t *left, int bd) {
hui su's avatar
hui su committed
1148
1149
1150
1151
  highbd_filter_intra_predictors_4tap(dst, stride, bs, above, left, TM_PRED,
                                      bd);
}

1152
1153
1154
1155
1156
1157
static void highbd_filter_intra_predictors(int mode, uint16_t *dst,
                                           ptrdiff_t stride, int bs,
                                           const uint16_t *