rd.c 60.6 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
12
13
14
15
 */

#include <assert.h>
#include <math.h>
#include <stdio.h>

Yaowu Xu's avatar
Yaowu Xu committed
16
#include "./av1_rtcd.h"
Jingning Han's avatar
Jingning Han committed
17

Yaowu Xu's avatar
Yaowu Xu committed
18
19
#include "aom_dsp/aom_dsp_common.h"
#include "aom_mem/aom_mem.h"
20
21
22
#include "aom_ports/bitops.h"
#include "aom_ports/mem.h"
#include "aom_ports/system_state.h"
Jingning Han's avatar
Jingning Han committed
23

24
25
26
27
28
29
30
31
32
#include "av1/common/common.h"
#include "av1/common/entropy.h"
#include "av1/common/entropymode.h"
#include "av1/common/mvref_common.h"
#include "av1/common/pred_common.h"
#include "av1/common/quant_common.h"
#include "av1/common/reconinter.h"
#include "av1/common/reconintra.h"
#include "av1/common/seg_common.h"
33

34
#include "av1/encoder/av1_quantize.h"
35
36
37
38
#include "av1/encoder/cost.h"
#include "av1/encoder/encodemb.h"
#include "av1/encoder/encodemv.h"
#include "av1/encoder/encoder.h"
39
40
41
#if CONFIG_LV_MAP
#include "av1/encoder/encodetxb.h"
#endif
42
43
44
45
#include "av1/encoder/mcomp.h"
#include "av1/encoder/ratectrl.h"
#include "av1/encoder/rd.h"
#include "av1/encoder/tokenize.h"
Jingning Han's avatar
Jingning Han committed
46

47
#define RD_THRESH_POW 1.25
Jingning Han's avatar
Jingning Han committed
48
49
50
51
52
53
54
55

// Factor to weigh the rate for switchable interp filters.
#define SWITCHABLE_INTERP_RATE_FACTOR 1

// The baseline rd thresholds for breaking out of the rd loop for
// certain modes are assumed to be based on 8x8 blocks.
// This table is used to correct for block size.
// The factors here are << 2 (2 = x0.5, 32 = x8 etc).
56
static const uint8_t rd_thresh_block_size_factor[BLOCK_SIZES_ALL] = {
57
#if CONFIG_CHROMA_2X2 || CONFIG_CHROMA_SUB8X8
Jingning Han's avatar
Jingning Han committed
58
59
  2,  2,  2,
#endif
60
  2,  3,  3,  4, 6,  6,  8, 12, 12, 16, 24, 24, 32,
61
#if CONFIG_EXT_PARTITION
62
  48, 48, 64,
63
#endif  // CONFIG_EXT_PARTITION
64
65
66
67
  4,  4,  8,  8, 16, 16,
#if CONFIG_EXT_PARTITION
  32, 32
#endif  // CONFIG_EXT_PARTITION
Jingning Han's avatar
Jingning Han committed
68
69
};

Hui Su's avatar
Hui Su committed
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
#if CONFIG_EXT_TX
static const int use_intra_ext_tx_for_txsize[EXT_TX_SETS_INTRA][EXT_TX_SIZES] =
    {
#if CONFIG_CHROMA_2X2
      { 1, 1, 1, 1, 1 },  // unused
      { 0, 1, 1, 0, 0 },
      { 0, 0, 0, 1, 0 },
#if CONFIG_MRC_TX
      { 0, 0, 0, 0, 1 },
#endif  // CONFIG_MRC_TX
#else   // CONFIG_CHROMA_2X2
      { 1, 1, 1, 1 },  // unused
      { 1, 1, 0, 0 },
      { 0, 0, 1, 0 },
#if CONFIG_MRC_TX
      { 0, 0, 0, 1 },
#endif  // CONFIG_MRC_TX
#endif  // CONFIG_CHROMA_2X2
    };

static const int use_inter_ext_tx_for_txsize[EXT_TX_SETS_INTER][EXT_TX_SIZES] =
    {
#if CONFIG_CHROMA_2X2
      { 1, 1, 1, 1, 1 },  // unused
      { 0, 1, 1, 0, 0 }, { 0, 0, 0, 1, 0 }, { 0, 0, 0, 0, 1 },
#if CONFIG_MRC_TX
      { 0, 0, 0, 0, 1 },
#endif  // CONFIG_MRC_TX
#else   // CONFIG_CHROMA_2X2
      { 1, 1, 1, 1 },  // unused
      { 1, 1, 0, 0 }, { 0, 0, 1, 0 }, { 0, 0, 0, 1 },
#if CONFIG_MRC_TX
      { 0, 0, 0, 1 },
#endif  // CONFIG_MRC_TX
#endif  // CONFIG_CHROMA_2X2
    };
#endif  // CONFIG_EXT_TX

108
109
void av1_fill_mode_rates(AV1_COMMON *const cm, MACROBLOCK *x,
                         FRAME_CONTEXT *fc) {
Jingning Han's avatar
Jingning Han committed
110
111
  int i, j;

112
113
  if (cm->frame_type == KEY_FRAME) {
    for (i = 0; i < PARTITION_CONTEXTS_PRIMARY; ++i)
Yue Chen's avatar
Yue Chen committed
114
115
      av1_cost_tokens_from_cdf(x->partition_cost[i], fc->partition_cdf[i],
                               NULL);
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
#if CONFIG_UNPOISON_PARTITION_CTX
    for (; i < PARTITION_CONTEXTS_PRIMARY + PARTITION_BLOCK_SIZES; ++i) {
      aom_prob p = fc->partition_prob[i][PARTITION_VERT];
      assert(p > 0);
      x->partition_cost[i][PARTITION_NONE] = INT_MAX;
      x->partition_cost[i][PARTITION_HORZ] = INT_MAX;
      x->partition_cost[i][PARTITION_VERT] = av1_cost_bit(p, 0);
      x->partition_cost[i][PARTITION_SPLIT] = av1_cost_bit(p, 1);
    }
    for (; i < PARTITION_CONTEXTS_PRIMARY + 2 * PARTITION_BLOCK_SIZES; ++i) {
      aom_prob p = fc->partition_prob[i][PARTITION_HORZ];
      assert(p > 0);
      x->partition_cost[i][PARTITION_NONE] = INT_MAX;
      x->partition_cost[i][PARTITION_HORZ] = av1_cost_bit(p, 0);
      x->partition_cost[i][PARTITION_VERT] = INT_MAX;
      x->partition_cost[i][PARTITION_SPLIT] = av1_cost_bit(p, 1);
    }
    x->partition_cost[PARTITION_CONTEXTS][PARTITION_NONE] = INT_MAX;
    x->partition_cost[PARTITION_CONTEXTS][PARTITION_HORZ] = INT_MAX;
    x->partition_cost[PARTITION_CONTEXTS][PARTITION_VERT] = INT_MAX;
    x->partition_cost[PARTITION_CONTEXTS][PARTITION_SPLIT] = 0;
#endif  // CONFIG_UNPOISON_PARTITION_CTX
  }

140
141
142
143
144
#if CONFIG_KF_CTX
  for (i = 0; i < KF_MODE_CONTEXTS; ++i)
    for (j = 0; j < KF_MODE_CONTEXTS; ++j)
      av1_cost_tokens_from_cdf(x->y_mode_costs[i][j], fc->kf_y_cdf[i][j], NULL);
#else
Jingning Han's avatar
Jingning Han committed
145
146
  for (i = 0; i < INTRA_MODES; ++i)
    for (j = 0; j < INTRA_MODES; ++j)
Hui Su's avatar
Hui Su committed
147
      av1_cost_tokens_from_cdf(x->y_mode_costs[i][j], fc->kf_y_cdf[i][j], NULL);
148
#endif
Jingning Han's avatar
Jingning Han committed
149

150
  for (i = 0; i < BLOCK_SIZE_GROUPS; ++i)
Hui Su's avatar
Hui Su committed
151
    av1_cost_tokens_from_cdf(x->mbmode_cost[i], fc->y_mode_cdf[i], NULL);
152
  for (i = 0; i < INTRA_MODES; ++i)
153
    av1_cost_tokens_from_cdf(x->intra_uv_mode_cost[i], fc->uv_mode_cdf[i],
Hui Su's avatar
Hui Su committed
154
                             NULL);
Jingning Han's avatar
Jingning Han committed
155
156

  for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; ++i)
Yue Chen's avatar
Yue Chen committed
157
    av1_cost_tokens_from_cdf(x->switchable_interp_costs[i],
158
                             fc->switchable_interp_cdf[i], NULL);
hui su's avatar
hui su committed
159
160

  for (i = 0; i < PALETTE_BLOCK_SIZES; ++i) {
161
    av1_cost_tokens_from_cdf(x->palette_y_size_cost[i],
162
                             fc->palette_y_size_cdf[i], NULL);
163
    av1_cost_tokens_from_cdf(x->palette_uv_size_cost[i],
164
                             fc->palette_uv_size_cdf[i], NULL);
hui su's avatar
hui su committed
165
166
  }

167
  for (i = 0; i < PALETTE_SIZES; ++i) {
168
    for (j = 0; j < PALETTE_COLOR_INDEX_CONTEXTS; ++j) {
169
      av1_cost_tokens_from_cdf(x->palette_y_color_cost[i][j],
170
                               fc->palette_y_color_index_cdf[i][j], NULL);
171
      av1_cost_tokens_from_cdf(x->palette_uv_color_cost[i][j],
172
                               fc->palette_uv_color_index_cdf[i][j], NULL);
hui su's avatar
hui su committed
173
    }
174
  }
175
176
177
178
179
180
181
182
183
184
#if CONFIG_MRC_TX
  for (i = 0; i < PALETTE_SIZES; ++i) {
    for (j = 0; j < PALETTE_COLOR_INDEX_CONTEXTS; ++j) {
      av1_cost_tokens_from_cdf(x->mrc_mask_inter_cost[i][j],
                               fc->mrc_mask_inter_cdf[i][j], NULL);
      av1_cost_tokens_from_cdf(x->mrc_mask_intra_cost[i][j],
                               fc->mrc_mask_intra_cdf[i][j], NULL);
    }
  }
#endif  // CONFIG_MRC_TX
185

186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
#if CONFIG_CFL
  int sign_cost[CFL_JOINT_SIGNS];
  av1_cost_tokens_from_cdf(sign_cost, fc->cfl_sign_cdf, NULL);
  for (int joint_sign = 0; joint_sign < CFL_JOINT_SIGNS; joint_sign++) {
    const aom_cdf_prob *cdf_u = fc->cfl_alpha_cdf[CFL_CONTEXT_U(joint_sign)];
    const aom_cdf_prob *cdf_v = fc->cfl_alpha_cdf[CFL_CONTEXT_V(joint_sign)];
    int *cost_u = x->cfl_cost[joint_sign][CFL_PRED_U];
    int *cost_v = x->cfl_cost[joint_sign][CFL_PRED_V];
    if (CFL_SIGN_U(joint_sign) == CFL_SIGN_ZERO)
      memset(cost_u, 0, CFL_ALPHABET_SIZE * sizeof(*cost_u));
    else
      av1_cost_tokens_from_cdf(cost_u, cdf_u, NULL);
    if (CFL_SIGN_V(joint_sign) == CFL_SIGN_ZERO)
      memset(cost_v, 0, CFL_ALPHABET_SIZE * sizeof(*cost_v));
    else
      av1_cost_tokens_from_cdf(cost_v, cdf_v, NULL);
    for (int u = 0; u < CFL_ALPHABET_SIZE; u++)
      cost_u[u] += sign_cost[joint_sign];
  }
#endif  // CONFIG_CFL

Jingning Han's avatar
Jingning Han committed
207
  for (i = 0; i < MAX_TX_DEPTH; ++i)
208
    for (j = 0; j < TX_SIZE_CONTEXTS; ++j)
Yue Chen's avatar
Yue Chen committed
209
210
      av1_cost_tokens_from_cdf(x->tx_size_cost[i][j], fc->tx_size_cdf[i][j],
                               NULL);
211

212
#if CONFIG_EXT_TX
213
214
215
  for (i = TX_4X4; i < EXT_TX_SIZES; ++i) {
    int s;
    for (s = 1; s < EXT_TX_SETS_INTER; ++s) {
216
      if (use_inter_ext_tx_for_txsize[s][i]) {
217
218
219
        av1_cost_tokens_from_cdf(
            x->inter_tx_type_costs[s][i], fc->inter_ext_tx_cdf[s][i],
            av1_ext_tx_inv[av1_ext_tx_set_idx_to_type[1][s]]);
220
221
222
      }
    }
    for (s = 1; s < EXT_TX_SETS_INTRA; ++s) {
223
      if (use_intra_ext_tx_for_txsize[s][i]) {
Hui Su's avatar
Hui Su committed
224
225
226
        for (j = 0; j < INTRA_MODES; ++j) {
          av1_cost_tokens_from_cdf(
              x->intra_tx_type_costs[s][i][j], fc->intra_ext_tx_cdf[s][i][j],
227
              av1_ext_tx_inv[av1_ext_tx_set_idx_to_type[0][s]]);
Hui Su's avatar
Hui Su committed
228
        }
229
230
      }
    }
231
  }
232
#else
233
234
  for (i = TX_4X4; i < EXT_TX_SIZES; ++i) {
    for (j = 0; j < TX_TYPES; ++j)
Yue Chen's avatar
Yue Chen committed
235
236
      av1_cost_tokens_from_cdf(x->intra_tx_type_costs[i][j],
                               fc->intra_ext_tx_cdf[i][j], av1_ext_tx_inv);
237
238
  }
  for (i = TX_4X4; i < EXT_TX_SIZES; ++i) {
Yue Chen's avatar
Yue Chen committed
239
240
    av1_cost_tokens_from_cdf(x->inter_tx_type_costs[i], fc->inter_ext_tx_cdf[i],
                             av1_ext_tx_inv);
241
  }
242
#endif  // CONFIG_EXT_TX
243
#if CONFIG_EXT_INTRA
hui su's avatar
hui su committed
244
#if CONFIG_INTRA_INTERP
245
  for (i = 0; i < INTRA_FILTERS + 1; ++i)
Yue Chen's avatar
Yue Chen committed
246
247
    av1_cost_tokens_from_cdf(x->intra_filter_cost[i], fc->intra_filter_cdf[i],
                             NULL);
hui su's avatar
hui su committed
248
#endif  // CONFIG_INTRA_INTERP
249
#endif  // CONFIG_EXT_INTRA
250
#if CONFIG_LOOP_RESTORATION
251
  av1_cost_tokens(x->switchable_restore_cost, fc->switchable_restore_prob,
252
253
                  av1_switchable_restore_tree);
#endif  // CONFIG_LOOP_RESTORATION
Hui Su's avatar
Hui Su committed
254
255
256
#if CONFIG_INTRABC
  av1_cost_tokens_from_cdf(x->intrabc_cost, fc->intrabc_cdf, NULL);
#endif  // CONFIG_INTRABC
257
258
259

  if (!frame_is_intra_only(cm)) {
    for (i = 0; i < NEWMV_MODE_CONTEXTS; ++i) {
Yue Chen's avatar
Yue Chen committed
260
261
262
#if CONFIG_NEW_MULTISYMBOL
      av1_cost_tokens_from_cdf(x->newmv_mode_cost[i], fc->newmv_cdf[i], NULL);
#else
263
264
      x->newmv_mode_cost[i][0] = av1_cost_bit(fc->newmv_prob[i], 0);
      x->newmv_mode_cost[i][1] = av1_cost_bit(fc->newmv_prob[i], 1);
Yue Chen's avatar
Yue Chen committed
265
#endif
266
267
268
    }

    for (i = 0; i < ZEROMV_MODE_CONTEXTS; ++i) {
Yue Chen's avatar
Yue Chen committed
269
270
271
#if CONFIG_NEW_MULTISYMBOL
      av1_cost_tokens_from_cdf(x->zeromv_mode_cost[i], fc->zeromv_cdf[i], NULL);
#else
272
273
      x->zeromv_mode_cost[i][0] = av1_cost_bit(fc->zeromv_prob[i], 0);
      x->zeromv_mode_cost[i][1] = av1_cost_bit(fc->zeromv_prob[i], 1);
Yue Chen's avatar
Yue Chen committed
274
#endif
275
276
277
    }

    for (i = 0; i < REFMV_MODE_CONTEXTS; ++i) {
Yue Chen's avatar
Yue Chen committed
278
279
280
#if CONFIG_NEW_MULTISYMBOL
      av1_cost_tokens_from_cdf(x->refmv_mode_cost[i], fc->refmv_cdf[i], NULL);
#else
281
282
      x->refmv_mode_cost[i][0] = av1_cost_bit(fc->refmv_prob[i], 0);
      x->refmv_mode_cost[i][1] = av1_cost_bit(fc->refmv_prob[i], 1);
Yue Chen's avatar
Yue Chen committed
283
#endif
284
285
286
    }

    for (i = 0; i < DRL_MODE_CONTEXTS; ++i) {
Yue Chen's avatar
Yue Chen committed
287
288
289
#if CONFIG_NEW_MULTISYMBOL
      av1_cost_tokens_from_cdf(x->drl_mode_cost0[i], fc->drl_cdf[i], NULL);
#else
290
291
      x->drl_mode_cost0[i][0] = av1_cost_bit(fc->drl_prob[i], 0);
      x->drl_mode_cost0[i][1] = av1_cost_bit(fc->drl_prob[i], 1);
Yue Chen's avatar
Yue Chen committed
292
#endif
293
294
    }
    for (i = 0; i < INTER_MODE_CONTEXTS; ++i)
Yue Chen's avatar
Yue Chen committed
295
296
      av1_cost_tokens_from_cdf(x->inter_compound_mode_cost[i],
                               fc->inter_compound_mode_cdf[i], NULL);
297
#if CONFIG_WEDGE || CONFIG_COMPOUND_SEGMENT
298
299
300
    for (i = 0; i < BLOCK_SIZES_ALL; ++i)
      av1_cost_tokens_from_cdf(x->compound_type_cost[i],
                               fc->compound_type_cdf[i], NULL);
301
#endif  // CONFIG_WEDGE || CONFIG_COMPOUND_SEGMENT
302
303
#if CONFIG_COMPOUND_SINGLEREF
    for (i = 0; i < INTER_MODE_CONTEXTS; ++i)
Yue Chen's avatar
Yue Chen committed
304
305
      av1_cost_tokens_from_cdf(x->inter_singleref_comp_mode_cost[i],
                               fc->inter_singleref_comp_mode_cdf[i], NULL);
306
307
308
#endif  // CONFIG_COMPOUND_SINGLEREF
#if CONFIG_INTERINTRA
    for (i = 0; i < BLOCK_SIZE_GROUPS; ++i)
Yue Chen's avatar
Yue Chen committed
309
310
      av1_cost_tokens_from_cdf(x->interintra_mode_cost[i],
                               fc->interintra_mode_cdf[i], NULL);
311
312
313
#endif  // CONFIG_INTERINTRA
#if CONFIG_MOTION_VAR || CONFIG_WARPED_MOTION
    for (i = BLOCK_8X8; i < BLOCK_SIZES_ALL; i++) {
314
315
      av1_cost_tokens_from_cdf(x->motion_mode_cost[i], fc->motion_mode_cdf[i],
                               NULL);
316
317
318
    }
#if CONFIG_MOTION_VAR && CONFIG_WARPED_MOTION
    for (i = BLOCK_8X8; i < BLOCK_SIZES_ALL; i++) {
319
320
321
322
323
#if CONFIG_NCOBMC_ADAPT_WEIGHT
      av1_cost_tokens_from_cdf(x->motion_mode_cost2[i], fc->ncobmc_cdf[i],
                               NULL);
#endif
#if CONFIG_NEW_MULTISYMBOL || CONFIG_NCOBMC_ADAPT_WEIGHT
Yue Chen's avatar
Yue Chen committed
324
325
      av1_cost_tokens_from_cdf(x->motion_mode_cost1[i], fc->obmc_cdf[i], NULL);
#else
326
327
      x->motion_mode_cost1[i][0] = av1_cost_bit(fc->obmc_prob[i], 0);
      x->motion_mode_cost1[i][1] = av1_cost_bit(fc->obmc_prob[i], 1);
Yue Chen's avatar
Yue Chen committed
328
#endif
329
330
331
332
    }
#endif  // CONFIG_MOTION_VAR && CONFIG_WARPED_MOTION
#if CONFIG_MOTION_VAR && CONFIG_NCOBMC_ADAPT_WEIGHT
    for (i = ADAPT_OVERLAP_BLOCK_8X8; i < ADAPT_OVERLAP_BLOCKS; ++i) {
333
334
      av1_cost_tokens_from_cdf(x->ncobmc_mode_cost[i], fc->ncobmc_mode_cdf[i],
                               NULL);
335
336
337
338
    }
#endif  // CONFIG_MOTION_VAR && CONFIG_NCOBMC_ADAPT_WEIGHT
#endif  // CONFIG_MOTION_VAR || CONFIG_WARPED_MOTION
  }
Jingning Han's avatar
Jingning Han committed
339
340
341
342
343
344
}

// Values are now correlated to quantizer.
static int sad_per_bit16lut_8[QINDEX_RANGE];
static int sad_per_bit4lut_8[QINDEX_RANGE];

345
#if CONFIG_HIGHBITDEPTH
Jingning Han's avatar
Jingning Han committed
346
347
348
349
350
351
352
static int sad_per_bit16lut_10[QINDEX_RANGE];
static int sad_per_bit4lut_10[QINDEX_RANGE];
static int sad_per_bit16lut_12[QINDEX_RANGE];
static int sad_per_bit4lut_12[QINDEX_RANGE];
#endif

static void init_me_luts_bd(int *bit16lut, int *bit4lut, int range,
Yaowu Xu's avatar
Yaowu Xu committed
353
                            aom_bit_depth_t bit_depth) {
Jingning Han's avatar
Jingning Han committed
354
355
356
357
358
  int i;
  // Initialize the sad lut tables using a formulaic calculation for now.
  // This is to make it easier to resolve the impact of experimental changes
  // to the quantizer tables.
  for (i = 0; i < range; i++) {
Yaowu Xu's avatar
Yaowu Xu committed
359
    const double q = av1_convert_qindex_to_q(i, bit_depth);
Jingning Han's avatar
Jingning Han committed
360
361
362
363
364
    bit16lut[i] = (int)(0.0418 * q + 2.4107);
    bit4lut[i] = (int)(0.063 * q + 2.742);
  }
}

Yaowu Xu's avatar
Yaowu Xu committed
365
void av1_init_me_luts(void) {
Jingning Han's avatar
Jingning Han committed
366
  init_me_luts_bd(sad_per_bit16lut_8, sad_per_bit4lut_8, QINDEX_RANGE,
Yaowu Xu's avatar
Yaowu Xu committed
367
                  AOM_BITS_8);
368
#if CONFIG_HIGHBITDEPTH
Jingning Han's avatar
Jingning Han committed
369
  init_me_luts_bd(sad_per_bit16lut_10, sad_per_bit4lut_10, QINDEX_RANGE,
Yaowu Xu's avatar
Yaowu Xu committed
370
                  AOM_BITS_10);
Jingning Han's avatar
Jingning Han committed
371
  init_me_luts_bd(sad_per_bit16lut_12, sad_per_bit4lut_12, QINDEX_RANGE,
Yaowu Xu's avatar
Yaowu Xu committed
372
                  AOM_BITS_12);
Jingning Han's avatar
Jingning Han committed
373
374
375
#endif
}

376
377
static const int rd_boost_factor[16] = { 64, 32, 32, 32, 24, 16, 12, 12,
                                         8,  8,  4,  4,  2,  2,  1,  0 };
Jingning Han's avatar
Jingning Han committed
378
static const int rd_frame_type_factor[FRAME_UPDATE_TYPES] = {
379
  128, 144, 128, 128, 144,
380
#if CONFIG_EXT_REFS
381
  // TODO(zoeliu): To adjust further following factor values.
382
  128, 128, 128,
383
384
  // TODO(weitinglin): We should investigate if the values should be the same
  //                   as the value used by OVERLAY frame
385
  144,  // INTNL_OVERLAY_UPDATE
Zoe Liu's avatar
Zoe Liu committed
386
  128   // INTNL_ARF_UPDATE
387
#endif  // CONFIG_EXT_REFS
Jingning Han's avatar
Jingning Han committed
388
389
};

Yaowu Xu's avatar
Yaowu Xu committed
390
391
int av1_compute_rd_mult(const AV1_COMP *cpi, int qindex) {
  const int64_t q = av1_dc_quant(qindex, 0, cpi->common.bit_depth);
392
#if CONFIG_HIGHBITDEPTH
Jingning Han's avatar
Jingning Han committed
393
394
  int64_t rdmult = 0;
  switch (cpi->common.bit_depth) {
Yaowu Xu's avatar
Yaowu Xu committed
395
396
397
    case AOM_BITS_8: rdmult = 88 * q * q / 24; break;
    case AOM_BITS_10: rdmult = ROUND_POWER_OF_TWO(88 * q * q / 24, 4); break;
    case AOM_BITS_12: rdmult = ROUND_POWER_OF_TWO(88 * q * q / 24, 8); break;
Jingning Han's avatar
Jingning Han committed
398
    default:
Yaowu Xu's avatar
Yaowu Xu committed
399
      assert(0 && "bit_depth should be AOM_BITS_8, AOM_BITS_10 or AOM_BITS_12");
Jingning Han's avatar
Jingning Han committed
400
401
402
403
      return -1;
  }
#else
  int64_t rdmult = 88 * q * q / 24;
404
#endif  // CONFIG_HIGHBITDEPTH
Jingning Han's avatar
Jingning Han committed
405
406
407
  if (cpi->oxcf.pass == 2 && (cpi->common.frame_type != KEY_FRAME)) {
    const GF_GROUP *const gf_group = &cpi->twopass.gf_group;
    const FRAME_UPDATE_TYPE frame_type = gf_group->update_type[gf_group->index];
Yaowu Xu's avatar
Yaowu Xu committed
408
    const int boost_index = AOMMIN(15, (cpi->rc.gfu_boost / 100));
Jingning Han's avatar
Jingning Han committed
409
410
411
412

    rdmult = (rdmult * rd_frame_type_factor[frame_type]) >> 7;
    rdmult += ((rdmult * rd_boost_factor[boost_index]) >> 7);
  }
413
  if (rdmult < 1) rdmult = 1;
Jingning Han's avatar
Jingning Han committed
414
415
416
  return (int)rdmult;
}

Yaowu Xu's avatar
Yaowu Xu committed
417
static int compute_rd_thresh_factor(int qindex, aom_bit_depth_t bit_depth) {
Jingning Han's avatar
Jingning Han committed
418
  double q;
419
#if CONFIG_HIGHBITDEPTH
Jingning Han's avatar
Jingning Han committed
420
  switch (bit_depth) {
Yaowu Xu's avatar
Yaowu Xu committed
421
422
423
    case AOM_BITS_8: q = av1_dc_quant(qindex, 0, AOM_BITS_8) / 4.0; break;
    case AOM_BITS_10: q = av1_dc_quant(qindex, 0, AOM_BITS_10) / 16.0; break;
    case AOM_BITS_12: q = av1_dc_quant(qindex, 0, AOM_BITS_12) / 64.0; break;
Jingning Han's avatar
Jingning Han committed
424
    default:
Yaowu Xu's avatar
Yaowu Xu committed
425
      assert(0 && "bit_depth should be AOM_BITS_8, AOM_BITS_10 or AOM_BITS_12");
Jingning Han's avatar
Jingning Han committed
426
427
428
      return -1;
  }
#else
429
  (void)bit_depth;
Yaowu Xu's avatar
Yaowu Xu committed
430
  q = av1_dc_quant(qindex, 0, AOM_BITS_8) / 4.0;
431
#endif  // CONFIG_HIGHBITDEPTH
Jingning Han's avatar
Jingning Han committed
432
  // TODO(debargha): Adjust the function below.
Yaowu Xu's avatar
Yaowu Xu committed
433
  return AOMMAX((int)(pow(q, RD_THRESH_POW) * 5.12), 8);
Jingning Han's avatar
Jingning Han committed
434
435
}

Yaowu Xu's avatar
Yaowu Xu committed
436
void av1_initialize_me_consts(const AV1_COMP *cpi, MACROBLOCK *x, int qindex) {
437
#if CONFIG_HIGHBITDEPTH
Jingning Han's avatar
Jingning Han committed
438
  switch (cpi->common.bit_depth) {
Yaowu Xu's avatar
Yaowu Xu committed
439
    case AOM_BITS_8:
Jingning Han's avatar
Jingning Han committed
440
441
442
      x->sadperbit16 = sad_per_bit16lut_8[qindex];
      x->sadperbit4 = sad_per_bit4lut_8[qindex];
      break;
Yaowu Xu's avatar
Yaowu Xu committed
443
    case AOM_BITS_10:
Jingning Han's avatar
Jingning Han committed
444
445
446
      x->sadperbit16 = sad_per_bit16lut_10[qindex];
      x->sadperbit4 = sad_per_bit4lut_10[qindex];
      break;
Yaowu Xu's avatar
Yaowu Xu committed
447
    case AOM_BITS_12:
Jingning Han's avatar
Jingning Han committed
448
449
450
451
      x->sadperbit16 = sad_per_bit16lut_12[qindex];
      x->sadperbit4 = sad_per_bit4lut_12[qindex];
      break;
    default:
Yaowu Xu's avatar
Yaowu Xu committed
452
      assert(0 && "bit_depth should be AOM_BITS_8, AOM_BITS_10 or AOM_BITS_12");
Jingning Han's avatar
Jingning Han committed
453
454
455
456
457
  }
#else
  (void)cpi;
  x->sadperbit16 = sad_per_bit16lut_8[qindex];
  x->sadperbit4 = sad_per_bit4lut_8[qindex];
458
#endif  // CONFIG_HIGHBITDEPTH
Jingning Han's avatar
Jingning Han committed
459
460
}

Yaowu Xu's avatar
Yaowu Xu committed
461
static void set_block_thresholds(const AV1_COMMON *cm, RD_OPT *rd) {
Jingning Han's avatar
Jingning Han committed
462
463
464
465
  int i, bsize, segment_id;

  for (segment_id = 0; segment_id < MAX_SEGMENTS; ++segment_id) {
    const int qindex =
Yaowu Xu's avatar
Yaowu Xu committed
466
        clamp(av1_get_qindex(&cm->seg, segment_id, cm->base_qindex) +
467
468
                  cm->y_dc_delta_q,
              0, MAXQ);
Jingning Han's avatar
Jingning Han committed
469
470
    const int q = compute_rd_thresh_factor(qindex, cm->bit_depth);

471
    for (bsize = 0; bsize < BLOCK_SIZES_ALL; ++bsize) {
Jingning Han's avatar
Jingning Han committed
472
473
474
475
476
      // Threshold here seems unnecessarily harsh but fine given actual
      // range of values used for cpi->sf.thresh_mult[].
      const int t = q * rd_thresh_block_size_factor[bsize];
      const int thresh_max = INT_MAX / t;

477
478
479
480
481
482
#if CONFIG_CB4X4
      for (i = 0; i < MAX_MODES; ++i)
        rd->threshes[segment_id][bsize][i] = rd->thresh_mult[i] < thresh_max
                                                 ? rd->thresh_mult[i] * t / 4
                                                 : INT_MAX;
#else
Jingning Han's avatar
Jingning Han committed
483
484
      if (bsize >= BLOCK_8X8) {
        for (i = 0; i < MAX_MODES; ++i)
485
486
487
          rd->threshes[segment_id][bsize][i] = rd->thresh_mult[i] < thresh_max
                                                   ? rd->thresh_mult[i] * t / 4
                                                   : INT_MAX;
Jingning Han's avatar
Jingning Han committed
488
489
490
491
492
493
494
      } else {
        for (i = 0; i < MAX_REFS; ++i)
          rd->threshes[segment_id][bsize][i] =
              rd->thresh_mult_sub8x8[i] < thresh_max
                  ? rd->thresh_mult_sub8x8[i] * t / 4
                  : INT_MAX;
      }
495
#endif
Jingning Han's avatar
Jingning Han committed
496
497
498
499
    }
  }
}

Yaowu Xu's avatar
Yaowu Xu committed
500
501
void av1_set_mvcost(MACROBLOCK *x, MV_REFERENCE_FRAME ref_frame, int ref,
                    int ref_mv_idx) {
502
  MB_MODE_INFO_EXT *mbmi_ext = x->mbmi_ext;
Yaowu Xu's avatar
Yaowu Xu committed
503
504
505
506
  int8_t rf_type = av1_ref_frame_type(x->e_mbd.mi[0]->mbmi.ref_frame);
  int nmv_ctx = av1_nmv_ctx(mbmi_ext->ref_mv_count[rf_type],
                            mbmi_ext->ref_mv_stack[rf_type], ref, ref_mv_idx);
  (void)ref_frame;
507
508
509
510
  x->mvcost = x->mv_cost_stack[nmv_ctx];
  x->nmvjointcost = x->nmv_vec_cost[nmv_ctx];
}

511
#if CONFIG_LV_MAP
512
#if !LV_MAP_PROB
513
514
515
516
static void get_rate_cost(aom_prob p, int cost[2]) {
  cost[0] = av1_cost_bit(p, 0);
  cost[1] = av1_cost_bit(p, 1);
}
517
#endif  // !LV_MAP_PROB
518
519

void av1_fill_coeff_costs(MACROBLOCK *x, FRAME_CONTEXT *fc) {
520
  for (int tx_size = 0; tx_size < TX_SIZES; ++tx_size) {
521
522
523
    for (int plane = 0; plane < PLANE_TYPES; ++plane) {
      LV_MAP_COEFF_COST *pcost = &x->coeff_costs[tx_size][plane];

524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
#if LV_MAP_PROB
      for (int ctx = 0; ctx < TXB_SKIP_CONTEXTS; ++ctx)
        av1_cost_tokens_from_cdf(pcost->txb_skip_cost[ctx],
                                 fc->txb_skip_cdf[tx_size][ctx], NULL);

      for (int ctx = 0; ctx < SIG_COEF_CONTEXTS; ++ctx)
        av1_cost_tokens_from_cdf(pcost->nz_map_cost[ctx],
                                 fc->nz_map_cdf[tx_size][plane][ctx], NULL);

      for (int ctx = 0; ctx < EOB_COEF_CONTEXTS; ++ctx)
        av1_cost_tokens_from_cdf(pcost->eob_cost[ctx],
                                 fc->eob_flag_cdf[tx_size][plane][ctx], NULL);

      for (int ctx = 0; ctx < DC_SIGN_CONTEXTS; ++ctx)
        av1_cost_tokens_from_cdf(pcost->dc_sign_cost[ctx],
                                 fc->dc_sign_cdf[plane][ctx], NULL);

      for (int layer = 0; layer < NUM_BASE_LEVELS; ++layer)
        for (int ctx = 0; ctx < COEFF_BASE_CONTEXTS; ++ctx)
          av1_cost_tokens_from_cdf(
              pcost->base_cost[layer][ctx],
              fc->coeff_base_cdf[tx_size][plane][layer][ctx], NULL);

547
548
549
550
551
552
553
#if BR_NODE
      for (int br = 0; br < BASE_RANGE_SETS; ++br)
        for (int ctx = 0; ctx < LEVEL_CONTEXTS; ++ctx)
          av1_cost_tokens_from_cdf(pcost->br_cost[br][ctx],
                                   fc->coeff_br_cdf[tx_size][plane][br][ctx],
                                   NULL);

554
555
556
      for (int ctx = 0; ctx < LEVEL_CONTEXTS; ++ctx) {
        int lps_rate[2];
        av1_cost_tokens_from_cdf(lps_rate,
557
                                 fc->coeff_lps_cdf[tx_size][plane][ctx], NULL);
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589

        for (int base_range = 0; base_range < COEFF_BASE_RANGE + 1;
             ++base_range) {
          int br_set_idx = base_range < COEFF_BASE_RANGE
                               ? coeff_to_br_index[base_range]
                               : BASE_RANGE_SETS;

          pcost->lps_cost[ctx][base_range] = 0;

          for (int idx = 0; idx < BASE_RANGE_SETS; ++idx) {
            if (idx == br_set_idx) {
              pcost->lps_cost[ctx][base_range] += pcost->br_cost[idx][ctx][1];

              int br_base = br_index_to_coeff[br_set_idx];
              int br_offset = base_range - br_base;
              int extra_bits = (1 << br_extra_bits[idx]) - 1;
              for (int tok = 0; tok < extra_bits; ++tok) {
                if (tok == br_offset) {
                  pcost->lps_cost[ctx][base_range] += lps_rate[1];
                  break;
                } else {
                  pcost->lps_cost[ctx][base_range] += lps_rate[0];
                }
              }
              break;
            } else {
              pcost->lps_cost[ctx][base_range] += pcost->br_cost[idx][ctx][0];
            }
          }
          // load the base range cost
        }
      }
Angie Chiang's avatar
Angie Chiang committed
590
591
592
593
594
#else   // BR_NODE
      for (int ctx = 0; ctx < LEVEL_CONTEXTS; ++ctx)
        av1_cost_tokens_from_cdf(pcost->lps_cost[ctx],
                                 fc->coeff_lps_cdf[tx_size][plane][ctx], NULL);
#endif  // BR_NODE
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
#if CONFIG_CTX1D
      for (int tx_class = 0; tx_class < TX_CLASSES; ++tx_class)
        av1_cost_tokens_from_cdf(pcost->eob_mode_cost[tx_class],
                                 fc->eob_mode_cdf[tx_size][plane][tx_class],
                                 NULL);

      for (int tx_class = 0; tx_class < TX_CLASSES; ++tx_class)
        for (int ctx = 0; ctx < EMPTY_LINE_CONTEXTS; ++ctx)
          av1_cost_tokens_from_cdf(
              pcost->empty_line_cost[tx_class][ctx],
              fc->empty_line_cdf[tx_size][plane][tx_class][ctx], NULL);

      for (int tx_class = 0; tx_class < TX_CLASSES; ++tx_class)
        for (int ctx = 0; ctx < HV_EOB_CONTEXTS; ++ctx)
          av1_cost_tokens_from_cdf(
              pcost->hv_eob_cost[tx_class][ctx],
              fc->hv_eob_cdf[tx_size][plane][tx_class][ctx], NULL);
#endif  // CONFIG_CTX1D
613
#else   // LV_MAP_PROB
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
      for (int ctx = 0; ctx < TXB_SKIP_CONTEXTS; ++ctx)
        get_rate_cost(fc->txb_skip[tx_size][ctx], pcost->txb_skip_cost[ctx]);

      for (int ctx = 0; ctx < SIG_COEF_CONTEXTS; ++ctx)
        get_rate_cost(fc->nz_map[tx_size][plane][ctx], pcost->nz_map_cost[ctx]);

      for (int ctx = 0; ctx < EOB_COEF_CONTEXTS; ++ctx)
        get_rate_cost(fc->eob_flag[tx_size][plane][ctx], pcost->eob_cost[ctx]);

      for (int ctx = 0; ctx < DC_SIGN_CONTEXTS; ++ctx)
        get_rate_cost(fc->dc_sign[plane][ctx], pcost->dc_sign_cost[ctx]);

      for (int layer = 0; layer < NUM_BASE_LEVELS; ++layer)
        for (int ctx = 0; ctx < COEFF_BASE_CONTEXTS; ++ctx)
          get_rate_cost(fc->coeff_base[tx_size][plane][layer][ctx],
                        pcost->base_cost[layer][ctx]);

      for (int ctx = 0; ctx < LEVEL_CONTEXTS; ++ctx)
        get_rate_cost(fc->coeff_lps[tx_size][plane][ctx], pcost->lps_cost[ctx]);
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648

#if CONFIG_CTX1D
      for (int tx_class = 0; tx_class < TX_CLASSES; ++tx_class)
        get_rate_cost(fc->eob_mode[tx_size][plane][tx_class],
                      pcost->eob_mode_cost[tx_class]);

      for (int tx_class = 0; tx_class < TX_CLASSES; ++tx_class)
        for (int ctx = 0; ctx < EMPTY_LINE_CONTEXTS; ++ctx)
          get_rate_cost(fc->empty_line[tx_size][plane][tx_class][ctx],
                        pcost->empty_line_cost[tx_class][ctx]);

      for (int tx_class = 0; tx_class < TX_CLASSES; ++tx_class)
        for (int ctx = 0; ctx < HV_EOB_CONTEXTS; ++ctx)
          get_rate_cost(fc->hv_eob[tx_size][plane][tx_class][ctx],
                        pcost->hv_eob_cost[tx_class][ctx]);
#endif  // CONFIG_CTX1D
649
#endif  // LV_MAP_PROB
650
651
652
    }
  }
}
653
#endif  // CONFIG_LV_MAP
654

655
656
void av1_fill_token_costs_from_cdf(av1_coeff_cost *cost,
                                   coeff_cdf_model (*cdf)[PLANE_TYPES]) {
hui su's avatar
hui su committed
657
658
659
660
661
662
663
664
665
666
667
668
669
670
  for (int tx = 0; tx < TX_SIZES; ++tx) {
    for (int pt = 0; pt < PLANE_TYPES; ++pt) {
      for (int rt = 0; rt < REF_TYPES; ++rt) {
        for (int band = 0; band < COEF_BANDS; ++band) {
          for (int ctx = 0; ctx < BAND_COEFF_CONTEXTS(band); ++ctx) {
            av1_cost_tokens_from_cdf(cost[tx][pt][rt][band][ctx],
                                     cdf[tx][pt][rt][band][ctx], NULL);
          }
        }
      }
    }
  }
}

Yaowu Xu's avatar
Yaowu Xu committed
671
672
void av1_initialize_rd_consts(AV1_COMP *cpi) {
  AV1_COMMON *const cm = &cpi->common;
Jingning Han's avatar
Jingning Han committed
673
674
  MACROBLOCK *const x = &cpi->td.mb;
  RD_OPT *const rd = &cpi->rd;
675
  int nmv_ctx;
Jingning Han's avatar
Jingning Han committed
676

Yaowu Xu's avatar
Yaowu Xu committed
677
  aom_clear_system_state();
Jingning Han's avatar
Jingning Han committed
678

Yaowu Xu's avatar
Yaowu Xu committed
679
  rd->RDMULT = av1_compute_rd_mult(cpi, cm->base_qindex + cm->y_dc_delta_q);
Jingning Han's avatar
Jingning Han committed
680

681
  set_error_per_bit(x, rd->RDMULT);
Jingning Han's avatar
Jingning Han committed
682
683
684

  set_block_thresholds(cm, rd);

685
  for (nmv_ctx = 0; nmv_ctx < NMV_CONTEXTS; ++nmv_ctx) {
RogerZhou's avatar
RogerZhou committed
686
687
688
689
690
691
692
693
694
695
696
697
698
#if CONFIG_AMVR
    if (cm->cur_frame_mv_precision_level) {
      av1_build_nmv_cost_table(x->nmv_vec_cost[nmv_ctx], x->nmvcost[nmv_ctx],
                               &cm->fc->nmvc[nmv_ctx], MV_SUBPEL_NONE);
    } else {
      av1_build_nmv_cost_table(
          x->nmv_vec_cost[nmv_ctx],
          cm->allow_high_precision_mv ? x->nmvcost_hp[nmv_ctx]
                                      : x->nmvcost[nmv_ctx],
          &cm->fc->nmvc[nmv_ctx], cm->allow_high_precision_mv);
    }

#else
699
700
701
702
703
    av1_build_nmv_cost_table(
        x->nmv_vec_cost[nmv_ctx],
        cm->allow_high_precision_mv ? x->nmvcost_hp[nmv_ctx]
                                    : x->nmvcost[nmv_ctx],
        &cm->fc->nmvc[nmv_ctx], cm->allow_high_precision_mv);
RogerZhou's avatar
RogerZhou committed
704
#endif
705
706
707
  }
  x->mvcost = x->mv_cost_stack[0];
  x->nmvjointcost = x->nmv_vec_cost[0];
Jingning Han's avatar
Jingning Han committed
708

Alex Converse's avatar
Alex Converse committed
709
710
711
712
713
714
715
716
717
718
#if CONFIG_INTRABC
  if (frame_is_intra_only(cm) && cm->allow_screen_content_tools &&
      cpi->oxcf.pass != 1) {
    av1_build_nmv_cost_table(
        x->nmv_vec_cost[0],
        cm->allow_high_precision_mv ? x->nmvcost_hp[0] : x->nmvcost[0],
        &cm->fc->ndvc, MV_SUBPEL_NONE);
  }
#endif

719
#if CONFIG_GLOBAL_MOTION
720
  if (cpi->oxcf.pass != 1) {
721
    for (int i = 0; i < TRANS_TYPES; ++i)
722
#if GLOBAL_TRANS_TYPES > 4
723
724
      cpi->gmtype_cost[i] = (1 + (i > 0 ? GLOBAL_TYPE_BITS : 0))
                            << AV1_PROB_COST_SHIFT;
725
726
727
728
729
730
731
732
#else
      // IDENTITY: 1 bit
      // TRANSLATION: 3 bits
      // ROTZOOM: 2 bits
      // AFFINE: 3 bits
      cpi->gmtype_cost[i] = (1 + (i > 0 ? (i == ROTZOOM ? 1 : 2) : 0))
                            << AV1_PROB_COST_SHIFT;
#endif  // GLOBAL_TRANS_TYPES > 4
Jingning Han's avatar
Jingning Han committed
733
  }
734
#endif  // CONFIG_GLOBAL_MOTION
Jingning Han's avatar
Jingning Han committed
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
}

static void model_rd_norm(int xsq_q10, int *r_q10, int *d_q10) {
  // NOTE: The tables below must be of the same size.

  // The functions described below are sampled at the four most significant
  // bits of x^2 + 8 / 256.

  // Normalized rate:
  // This table models the rate for a Laplacian source with given variance
  // when quantized with a uniform quantizer with given stepsize. The
  // closed form expression is:
  // Rn(x) = H(sqrt(r)) + sqrt(r)*[1 + H(r)/(1 - r)],
  // where r = exp(-sqrt(2) * x) and x = qpstep / sqrt(variance),
  // and H(x) is the binary entropy function.
  static const int rate_tab_q10[] = {
751
752
753
754
755
756
757
758
759
    65536, 6086, 5574, 5275, 5063, 4899, 4764, 4651, 4553, 4389, 4255, 4142,
    4044,  3958, 3881, 3811, 3748, 3635, 3538, 3453, 3376, 3307, 3244, 3186,
    3133,  3037, 2952, 2877, 2809, 2747, 2690, 2638, 2589, 2501, 2423, 2353,
    2290,  2232, 2179, 2130, 2084, 2001, 1928, 1862, 1802, 1748, 1698, 1651,
    1608,  1530, 1460, 1398, 1342, 1290, 1243, 1199, 1159, 1086, 1021, 963,
    911,   864,  821,  781,  745,  680,  623,  574,  530,  490,  455,  424,
    395,   345,  304,  269,  239,  213,  190,  171,  154,  126,  104,  87,
    73,    61,   52,   44,   38,   28,   21,   16,   12,   10,   8,    6,
    5,     3,    2,    1,    1,    1,    0,    0,
Jingning Han's avatar
Jingning Han committed
760
761
762
763
764
765
766
767
768
  };
  // Normalized distortion:
  // This table models the normalized distortion for a Laplacian source
  // with given variance when quantized with a uniform quantizer
  // with given stepsize. The closed form expression is:
  // Dn(x) = 1 - 1/sqrt(2) * x / sinh(x/sqrt(2))
  // where x = qpstep / sqrt(variance).
  // Note the actual distortion is Dn * variance.
  static const int dist_tab_q10[] = {
769
770
771
772
773
774
775
776
777
    0,    0,    1,    1,    1,    2,    2,    2,    3,    3,    4,    5,
    5,    6,    7,    7,    8,    9,    11,   12,   13,   15,   16,   17,
    18,   21,   24,   26,   29,   31,   34,   36,   39,   44,   49,   54,
    59,   64,   69,   73,   78,   88,   97,   106,  115,  124,  133,  142,
    151,  167,  184,  200,  215,  231,  245,  260,  274,  301,  327,  351,
    375,  397,  418,  439,  458,  495,  528,  559,  587,  613,  637,  659,
    680,  717,  749,  777,  801,  823,  842,  859,  874,  899,  919,  936,
    949,  960,  969,  977,  983,  994,  1001, 1006, 1010, 1013, 1015, 1017,
    1018, 1020, 1022, 1022, 1023, 1023, 1023, 1024,
Jingning Han's avatar
Jingning Han committed
778
779
  };
  static const int xsq_iq_q10[] = {
780
781
782
783
784
785
786
787
788
789
790
791
    0,      4,      8,      12,     16,     20,     24,     28,     32,
    40,     48,     56,     64,     72,     80,     88,     96,     112,
    128,    144,    160,    176,    192,    208,    224,    256,    288,
    320,    352,    384,    416,    448,    480,    544,    608,    672,
    736,    800,    864,    928,    992,    1120,   1248,   1376,   1504,
    1632,   1760,   1888,   2016,   2272,   2528,   2784,   3040,   3296,
    3552,   3808,   4064,   4576,   5088,   5600,   6112,   6624,   7136,
    7648,   8160,   9184,   10208,  11232,  12256,  13280,  14304,  15328,
    16352,  18400,  20448,  22496,  24544,  26592,  28640,  30688,  32736,
    36832,  40928,  45024,  49120,  53216,  57312,  61408,  65504,  73696,
    81888,  90080,  98272,  106464, 114656, 122848, 131040, 147424, 163808,
    180192, 196576, 212960, 229344, 245728,
Jingning Han's avatar
Jingning Han committed
792
793
794
795
796
797
798
799
800
801
802
  };
  const int tmp = (xsq_q10 >> 2) + 8;
  const int k = get_msb(tmp) - 3;
  const int xq = (k << 3) + ((tmp >> k) & 0x7);
  const int one_q10 = 1 << 10;
  const int a_q10 = ((xsq_q10 - xsq_iq_q10[xq]) << 10) >> (2 + k);
  const int b_q10 = one_q10 - a_q10;
  *r_q10 = (rate_tab_q10[xq] * b_q10 + rate_tab_q10[xq + 1] * a_q10) >> 10;
  *d_q10 = (dist_tab_q10[xq] * b_q10 + dist_tab_q10[xq + 1] * a_q10) >> 10;
}

Yaowu Xu's avatar
Yaowu Xu committed
803
804
805
void av1_model_rd_from_var_lapndz(int64_t var, unsigned int n_log2,
                                  unsigned int qstep, int *rate,
                                  int64_t *dist) {
Jingning Han's avatar
Jingning Han committed
806
807
808
809
810
811
812
813
814
815
816
817
818
819
  // This function models the rate and distortion for a Laplacian
  // source with given variance when quantized with a uniform quantizer
  // with given stepsize. The closed form expressions are in:
  // Hang and Chen, "Source Model for transform video coder and its
  // application - Part I: Fundamental Theory", IEEE Trans. Circ.
  // Sys. for Video Tech., April 1997.
  if (var == 0) {
    *rate = 0;
    *dist = 0;
  } else {
    int d_q10, r_q10;
    static const uint32_t MAX_XSQ_Q10 = 245727;
    const uint64_t xsq_q10_64 =
        (((uint64_t)qstep * qstep << (n_log2 + 10)) + (var >> 1)) / var;
Yaowu Xu's avatar
Yaowu Xu committed
820
    const int xsq_q10 = (int)AOMMIN(xsq_q10_64, MAX_XSQ_Q10);
Jingning Han's avatar
Jingning Han committed
821
    model_rd_norm(xsq_q10, &r_q10, &d_q10);
Yaowu Xu's avatar
Yaowu Xu committed
822
    *rate = ROUND_POWER_OF_TWO(r_q10 << n_log2, 10 - AV1_PROB_COST_SHIFT);
Jingning Han's avatar
Jingning Han committed
823
824
825
826
    *dist = (var * (int64_t)d_q10 + 512) >> 10;
  }
}

827
828
829
830
static void get_entropy_contexts_plane(
    BLOCK_SIZE plane_bsize, TX_SIZE tx_size, const struct macroblockd_plane *pd,
    ENTROPY_CONTEXT t_above[2 * MAX_MIB_SIZE],
    ENTROPY_CONTEXT t_left[2 * MAX_MIB_SIZE]) {
831
832
  const int num_4x4_w = block_size_wide[plane_bsize] >> tx_size_wide_log2[0];
  const int num_4x4_h = block_size_high[plane_bsize] >> tx_size_high_log2[0];
Jingning Han's avatar
Jingning Han committed
833
834
835
  const ENTROPY_CONTEXT *const above = pd->above_context;
  const ENTROPY_CONTEXT *const left = pd->left_context;

836
837
838
839
840
841
#if CONFIG_LV_MAP
  memcpy(t_above, above, sizeof(ENTROPY_CONTEXT) * num_4x4_w);
  memcpy(t_left, left, sizeof(ENTROPY_CONTEXT) * num_4x4_h);
  return;
#endif  // CONFIG_LV_MAP

Jingning Han's avatar
Jingning Han committed
842
  int i;
843

844
#if CONFIG_CHROMA_2X2
845
  switch (tx_size) {
846
    case TX_2X2:
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
      memcpy(t_above, above, sizeof(ENTROPY_CONTEXT) * num_4x4_w);
      memcpy(t_left, left, sizeof(ENTROPY_CONTEXT) * num_4x4_h);
      break;
    case TX_4X4:
      for (i = 0; i < num_4x4_w; i += 2)
        t_above[i] = !!*(const uint16_t *)&above[i];
      for (i = 0; i < num_4x4_h; i += 2)
        t_left[i] = !!*(const uint16_t *)&left[i];
      break;
    case TX_8X8:
      for (i = 0; i < num_4x4_w; i += 4)
        t_above[i] = !!*(const uint32_t *)&above[i];
      for (i = 0; i < num_4x4_h; i += 4)
        t_left[i] = !!*(const uint32_t *)&left[i];
      break;
    case TX_16X16:
      for (i = 0; i < num_4x4_w; i += 8)
        t_above[i] = !!*(const uint64_t *)&above[i];
      for (i = 0; i < num_4x4_h; i += 8)
        t_left[i] = !!*(const uint64_t *)&left[i];
      break;
    case TX_32X32:
      for (i = 0; i < num_4x4_w; i += 16)
        t_above[i] =
            !!(*(const uint64_t *)&above[i] | *(const uint64_t *)&above[i + 8]);
      for (i = 0; i < num_4x4_h; i += 16)
        t_left[i] =
            !!(*(const uint64_t *)&left[i] | *(const uint64_t *)&left[i + 8]);
      break;
876
#if CONFIG_TX64X64
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
    case TX_32X64:
      for (i = 0; i < num_4x4_w; i += 16)
        t_above[i] =
            !!(*(const uint64_t *)&above[i] | *(const uint64_t *)&above[i + 8]);
      for (i = 0; i < num_4x4_h; i += 32)
        t_left[i] =
            !!(*(const uint64_t *)&left[i] | *(const uint64_t *)&left[i + 8] |
               *(const uint64_t *)&left[i + 16] |
               *(const uint64_t *)&left[i + 24]);
      break;
    case TX_64X32:
      for (i = 0; i < num_4x4_w; i += 32)
        t_above[i] =
            !!(*(const uint64_t *)&above[i] | *(const uint64_t *)&above[i + 8] |
               *(const uint64_t *)&above[i + 16] |
               *(const uint64_t *)&above[i + 24]);
      for (i = 0; i < num_4x4_h; i += 16)
        t_left[i] =
            !!(*(const uint64_t *)&left[i] | *(const uint64_t *)&left[i + 8]);
      break;
897
898
899
900
901
902
903
904
905
906
907
908
909
    case TX_64X64:
      for (i = 0; i < num_4x4_w; i += 32)
        t_above[i] =
            !!(*(const uint64_t *)&above[i] | *(const uint64_t *)&above[i + 8] |
               *(const uint64_t *)&above[i + 16] |
               *(const uint64_t *)&above[i + 24]);
      for (i = 0; i < num_4x4_h; i += 32)
        t_left[i] =
            !!(*(const uint64_t *)&left[i] | *(const uint64_t *)&left[i + 8] |
               *(const uint64_t *)&left[i + 16] |
               *(const uint64_t *)&left[i + 24]);
      break;
#endif  // CONFIG_TX64X64
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
    case TX_4X8:
      for (i = 0; i < num_4x4_w; i += 2)
        t_above[i] = !!*(const uint16_t *)&above[i];
      for (i = 0; i < num_4x4_h; i += 4)
        t_left[i] = !!*(const uint32_t *)&left[i];
      break;
    case TX_8X4:
      for (i = 0; i < num_4x4_w; i += 4)
        t_above[i] = !!*(const uint32_t *)&above[i];
      for (i = 0; i < num_4x4_h; i += 2)
        t_left[i] = !!*(const uint16_t *)&left[i];
      break;
    case TX_8X16:
      for (i = 0; i < num_4x4_w; i += 4)
        t_above[i] = !!*(const uint32_t *)&above[i];
      for (i = 0; i < num_4x4_h; i += 8)
        t_left[i] = !!*(const uint64_t *)&left[i];
      break;
    case TX_16X8:
      for (i = 0; i < num_4x4_w; i += 8)
        t_above[i] = !!*(const uint64_t *)&above[i];
      for (i = 0; i < num_4x4_h; i += 4)
        t_left[i] = !!*(const uint32_t *)&left[i];
      break;
    case TX_16X32:
      for (i = 0; i < num_4x4_w; i += 8)
        t_above[i] = !!*(const uint64_t *)&above[i];
      for (i = 0; i < num_4x4_h; i += 16)
        t_left[i] =
            !!(*(const uint64_t *)&left[i] | *(const uint64_t *)&left[i + 8]);
      break;
    case TX_32X16:
      for (i = 0; i < num_4x4_w; i += 16)
        t_above[i] =
            !!(*(const uint64_t *)&above[i] | *(const uint64_t *)&above[i + 8]);
      for (i = 0; i < num_4x4_h; i += 8)
        t_left[i] = !!*(const uint64_t *)&left[i];
947
      break;
Yue Chen's avatar
Yue Chen committed
948
#if CONFIG_RECT_TX_EXT && (CONFIG_EXT_TX || CONFIG_VAR_TX)
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
    case TX_4X16:
      for (i = 0; i < num_4x4_w; i += 2)
        t_above[i] = !!*(const uint16_t *)&above[i];
      for (i = 0; i < num_4x4_h; i += 8)
        t_left[i] = !!*(const uint64_t *)&left[i];
      break;
    case TX_16X4:
      for (i = 0; i < num_4x4_w; i += 8)
        t_above[i] = !!*(const uint64_t *)&above[i];
      for (i = 0; i < num_4x4_h; i += 2)
        t_left[i] = !!*(const uint16_t *)&left[i];
      break;
    case TX_8X32:
      for (i = 0; i < num_4x4_w; i += 4)
        t_above[i] = !!*(const uint32_t *)&above[i];
      for (i = 0; i < num_4x4_h; i += 16)
        t_left[i] =
            !!(*(const uint64_t *)&left[i] | *(const uint64_t *)&left[i + 8]);
      break;
    case TX_32X8:
      for (i = 0; i < num_4x4_w; i += 16)
        t_above[i] =
            !!(*(const uint64_t *)&above[i] | *(const uint64_t *)&above[i + 8]);
      for (i = 0; i < num_4x4_h; i += 4)
        t_left[i] = !!*(const uint32_t *)&left[i];
      break;
Yue Chen's avatar
Yue Chen committed
975
#endif
976
977
978
979

    default: assert(0 && "Invalid transform size."); break;
  }
  return;
980
#endif  // CONFIG_CHROMA_2X2
981
982

  switch (tx_size) {
Jingning Han's avatar
Jingning Han committed
983
984
985
986
    case TX_4X4:
      memcpy(t_above, above, sizeof(ENTROPY_CONTEXT) * num_4x4_w);
      memcpy(t_left, left, sizeof(ENTROPY_CONTEXT) * num_4x4_h);
      break;
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
    case TX_8X8:
      for (i = 0; i < num_4x4_w; i += 2)
        t_above[i] = !!*(const uint16_t *)&above[i];
      for (i = 0; i < num_4x4_h; i += 2)
        t_left[i] = !!*(const uint16_t *)&left[i];
      break;
    case TX_16X16:
      for (i = 0; i < num_4x4_w; i += 4)
        t_above[i] = !!*(const uint32_t *)&above[i];
      for (i = 0; i < num_4x4_h; i += 4)
        t_left[i] = !!*(const uint32_t *)&left[i];
      break;
    case TX_32X32:
      for (i = 0; i < num_4x4_w; i += 8)
        t_above[i] = !!*(const uint64_t *)&above[i];
      for (i = 0; i < num_4x4_h; i += 8)
        t_left[i] = !!*(const uint64_t *)&left[i];
      break;
1005
#if CONFIG_TX64X64
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
    case TX_32X64:
      for (i = 0; i < num_4x4_w; i += 8)
        t_above[i] = !!*(const uint64_t *)&above[i];
      for (i = 0; i < num_4x4_h; i += 16)
        t_left[i] =
            !!(*(const uint64_t *)&left[i] | *(const uint64_t *)&left[i + 8]);
      break;
    case TX_64X32:
      for (i = 0; i < num_4x4_w; i += 16)
        t_above[i] =
            !!(*(const uint64_t *)&above[i] | *(const uint64_t *)&above[i + 8]);
      for (i = 0; i < num_4x4_h; i += 8)
        t_left[i] = !!*(const uint64_t *)&left[i];
      break;
1020
1021
1022
1023
1024
    case TX_64X64:
      for (i = 0; i < num_4x4_w; i += 16)
        t_above[i] =
            !!(*(const uint64_t *)&above[i] | *(const uint64_t *)&above[i + 8]);
      for (i = 0; i < num_4x4_h; i += 16)
1025
1026
        t_left[i] =
            !!(*(const uint64_t *)&left[i] | *(const uint64_t *)&left[i + 8]);
1027
1028
      break;
#endif  // CONFIG_TX64X64
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
    case TX_4X8:
      memcpy(t_above, above, sizeof(ENTROPY_CONTEXT) * num_4x4_w);
      for (i = 0; i < num_4x4_h; i += 2)
        t_left[i] = !!*(const uint16_t *)&left[i];
      break;
    case TX_8X4:
      for (i = 0; i < num_4x4_w; i += 2)
        t_above[i] = !!*(const uint16_t *)&above[i];
      memcpy(t_left, left, sizeof(ENTROPY_CONTEXT) * num_4x4_h);
      break;
1039
    case TX_8X16:
Jingning Han's avatar
Jingning Han committed
1040
1041
      for (i = 0; i < num_4x4_w; i += 2)
        t_above[i] = !!*(const uint16_t *)&above[i];
1042
1043
1044
1045
1046
1047
      for (i = 0; i < num_4x4_h; i += 4)
        t_left[i] = !!*(const uint32_t *)&left[i];
      break;
    case TX_16X8:
      for (i = 0; i < num_4x4_w; i += 4)
        t_above[i] = !!*(const uint32_t *)&above[i];
Jingning Han's avatar
Jingning Han committed
1048
1049
1050
      for (i = 0; i < num_4x4_h; i += 2)
        t_left[i] = !!*(const uint16_t *)&left[i];
      break;
1051
    case TX_16X32:
Jingning Han's avatar
Jingning Han committed
1052
1053
      for (i = 0; i < num_4x4_w; i += 4)
        t_above[i] = !!*(const uint32_t *)&above[i];
1054
1055
      for (i = 0; i < num_4x4_h; i += 8)
        t_left[i] = !!*(const uint64_t *)&left[i];
Jingning Han's avatar
Jingning Han committed
1056
      break;
1057
    case TX_32X16:
Jingning Han's avatar
Jingning Han committed
1058
1059
      for (i = 0; i < num_4x4_w; i += 8)
        t_above[i] = !!*(const uint64_t *)&above[i];
1060
1061
1062
      for (i = 0; i < num_4x4_h; i += 4)
        t_left[i] = !!*(const uint32_t *)&left[i];
      break;
Yue Chen's avatar
Yue Chen committed
1063
#if CONFIG_RECT_TX_EXT && (CONFIG_EXT_TX || CONFIG_VAR_TX)
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
    case TX_4X16:
      memcpy(t_above, above, sizeof(ENTROPY_CONTEXT) * num_4x4_w);
      for (i = 0; i < num_4x4_h; i += 4)
        t_left[i] = !!*(const uint32_t *)&left[i];
      break;
    case TX_16X4:
      for (i = 0; i < num_4x4_w; i += 4)
        t_above[i] = !!*(const uint32_t *)&above[i];
      memcpy(t_left, left, sizeof(ENTROPY_CONTEXT) * num_4x4_h);
      break;
    case TX_8X32:
      for (i = 0; i < num_4x4_w; i += 2)
        t_above[i] = !!*(const uint16_t *)&above[i];
      for (i = 0; i < num_4x4_h; i += 8)
        t_left[i] = !!*(const uint64_t *)&left[i];
      break;
    case TX_32X8:
      for (i = 0; i < num_4x4_w; i += 8)
        t_above[i] = !!*(const uint64_t *)&above[i];
      for (i = 0; i < num_4x4_h; i += 2)
        t_left[i] = !!*(const uint16_t *)&left[i];
      break;
Yue Chen's avatar
Yue Chen committed
1086
#endif
clang-format's avatar
clang-format committed
1087
    default: assert(0 && "Invalid transform size."); break;
Jingning Han's avatar
Jingning Han committed
1088
1089
1090
  }
}

Yaowu Xu's avatar
Yaowu Xu committed
1091
1092
1093
1094
void av1_get_entropy_contexts(BLOCK_SIZE bsize, TX_SIZE tx_size,
                              const struct macroblockd_plane *pd,
                              ENTROPY_CONTEXT t_above[2 * MAX_MIB_SIZE],
                              ENTROPY_CONTEXT t_left[2 * MAX_MIB_SIZE]) {
1095
#if CONFIG_CHROMA_SUB8X8
1096
1097
1098
  const BLOCK_SIZE plane_bsize =
      AOMMAX(BLOCK_4X4, get_plane_block_size(bsize, pd));
#else
1099
  const BLOCK_SIZE plane_bsize = get_plane_block_size(bsize, pd);
1100
#endif
1101
  get_entropy_contexts_plane(plane_bsize, tx_size, pd, t_above, t_left);
1102
1103
}

1104
void av1_mv_pred(const AV1_COMP *cpi, MACROBLOCK *x, uint8_t *ref_y_buffer,
Yaowu Xu's avatar
Yaowu Xu committed
1105
                 int ref_y_stride, int ref_frame, BLOCK_SIZE block_size) {
Jingning Han's avatar
Jingning Han committed
1106
1107
1108
1109
1110
1111
1112
1113
  int i;
  int zero_seen = 0;
  int best_index = 0;
  int best_sad = INT_MAX;
  int this_sad = INT_MAX;
  int max_mv = 0;
  uint8_t *src_y_ptr = x->plane[0].src.buf;
  uint8_t *ref_y_ptr;
1114
  MV pred_mv[MAX_MV_REF_CANDIDATES + 1];
1115
1116
1117
1118
1119
1120
  int num_mv_refs = 0;

  pred_mv[num_mv_refs++] = x->mbmi_ext->ref_mvs[ref_frame][0].as_mv;
  if (x->mbmi_ext->ref_mvs[ref_frame][0].as_int !=
      x->mbmi_ext->ref_mvs[ref_frame][1].as_int) {
    pred_mv[num_mv_refs++] = x->mbmi_ext->ref_mvs[ref_frame][1].as_mv;
1121
  }
1122
1123
1124
  if (cpi->sf.adaptive_motion_search && block_size < x->max_partition_size)
    pred_mv[num_mv_refs++] = x->pred_mv[ref_frame];

Jingning Han's avatar
Jingning Han committed
1125
  assert(num_mv_refs <= (int)(sizeof(pred_mv) / sizeof(pred_mv[0])));
1126

Jingning Han's avatar
Jingning Han committed
1127
1128
1129
1130
1131
1132
  // Get the sad for each candidate reference mv.
  for (i = 0; i < num_mv_refs; ++i) {
    const MV *this_mv = &pred_mv[i];
    int fp_row, fp_col;
    fp_row = (this_mv->row + 3 + (this_mv->row >= 0)) >> 3;
    fp_col = (this_mv->col + 3 + (this_mv->col >= 0)) >> 3;
Yaowu Xu's avatar
Yaowu Xu committed
1133
    max_mv = AOMMAX(max_mv, AOMMAX(abs(this_mv->row), abs(this_mv->col)) >> 3);
Jingning Han's avatar
Jingning Han committed
1134

1135
1136
    if (fp_row == 0 && fp_col == 0 && zero_seen) continue;
    zero_seen |= (fp_row == 0 && fp_col == 0);
Jingning Han's avatar
Jingning Han committed
1137

1138
    ref_y_ptr = &ref_y_buffer[ref_y_stride * fp_row + fp_col];
Jingning Han's avatar
Jingning Han committed
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
    // Find sad for current vector.
    this_sad = cpi->fn_ptr[block_size].sdf(src_y_ptr, x->plane[0].src.stride,
                                           ref_y_ptr, ref_y_stride);
    // Note if it is the best so far.
    if (this_sad < best_sad) {
      best_sad = this_sad;
      best_index = i;
    }
  }

  // Note the index of the mv that worked best in the reference list.
  x->mv_best_ref_index[ref_frame] = best_index;
  x->max_mv_context[ref_frame] = max_mv;
  x->pred_mv_sad[ref_frame] = best_sad;
}

Yaowu Xu's avatar
Yaowu Xu committed
1155
1156
1157
1158
1159
void av1_setup_pred_block(const MACROBLOCKD *xd,
                          struct buf_2d dst[MAX_MB_PLANE],
                          const YV12_BUFFER_CONFIG *src, int mi_row, int mi_col,
                          const struct scale_factors *scale,
                          const struct scale_factors *scale_uv) {
Jingning Han's avatar
Jingning Han committed
1160
1161
1162
1163
1164
1165
1166
1167
1168
  int i;

  dst[0].buf = src->y_buffer;
  dst[0].stride = src->y_stride;
  dst[1].buf = src->u_buffer;
  dst[2].buf = src->v_buffer;