rd.c 64 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
  }

Jingning Han's avatar
Jingning Han committed
140
141
  for (i = 0; i < INTRA_MODES; ++i)
    for (j = 0; j < INTRA_MODES; ++j)
Debargha Mukherjee's avatar
Debargha Mukherjee committed
142
      av1_cost_tokens_from_cdf(x->y_mode_costs[i][j], fc->kf_y_cdf[i][j],
143
                               av1_intra_mode_inv);
Jingning Han's avatar
Jingning Han committed
144

145
  for (i = 0; i < BLOCK_SIZE_GROUPS; ++i)
146
    av1_cost_tokens_from_cdf(x->mbmode_cost[i], fc->y_mode_cdf[i],
147
                             av1_intra_mode_inv);
148
149
150
151
152
153
154
  const int *uv_mode_inv_map =
#if CONFIG_CFL
      // CfL codes the uv_mode without reordering it
      NULL;
#else
      av1_intra_mode_inv;
#endif
155
  for (i = 0; i < INTRA_MODES; ++i)
156
    av1_cost_tokens_from_cdf(x->intra_uv_mode_cost[i], fc->uv_mode_cdf[i],
157
                             uv_mode_inv_map);
Jingning Han's avatar
Jingning Han committed
158
159

  for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; ++i)
Yue Chen's avatar
Yue Chen committed
160
    av1_cost_tokens_from_cdf(x->switchable_interp_costs[i],
161
                             fc->switchable_interp_cdf[i], NULL);
hui su's avatar
hui su committed
162
163

  for (i = 0; i < PALETTE_BLOCK_SIZES; ++i) {
164
    av1_cost_tokens_from_cdf(x->palette_y_size_cost[i],
165
                             fc->palette_y_size_cdf[i], NULL);
166
    av1_cost_tokens_from_cdf(x->palette_uv_size_cost[i],
167
                             fc->palette_uv_size_cdf[i], NULL);
hui su's avatar
hui su committed
168
169
  }

170
  for (i = 0; i < PALETTE_SIZES; ++i) {
171
    for (j = 0; j < PALETTE_COLOR_INDEX_CONTEXTS; ++j) {
172
      av1_cost_tokens_from_cdf(x->palette_y_color_cost[i][j],
173
                               fc->palette_y_color_index_cdf[i][j], NULL);
174
      av1_cost_tokens_from_cdf(x->palette_uv_color_cost[i][j],
175
                               fc->palette_uv_color_index_cdf[i][j], NULL);
hui su's avatar
hui su committed
176
    }
177
  }
178
179
180
181
182
183
184
185
186
187
#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
188

189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
#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
210
  for (i = 0; i < MAX_TX_DEPTH; ++i)
211
    for (j = 0; j < TX_SIZE_CONTEXTS; ++j)
Yue Chen's avatar
Yue Chen committed
212
213
      av1_cost_tokens_from_cdf(x->tx_size_cost[i][j], fc->tx_size_cdf[i][j],
                               NULL);
214

215
#if CONFIG_EXT_TX
216
217
218
  for (i = TX_4X4; i < EXT_TX_SIZES; ++i) {
    int s;
    for (s = 1; s < EXT_TX_SETS_INTER; ++s) {
219
      if (use_inter_ext_tx_for_txsize[s][i]) {
220
221
222
        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]]);
223
224
225
      }
    }
    for (s = 1; s < EXT_TX_SETS_INTRA; ++s) {
226
      if (use_intra_ext_tx_for_txsize[s][i]) {
Hui Su's avatar
Hui Su committed
227
228
229
        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],
230
              av1_ext_tx_inv[av1_ext_tx_set_idx_to_type[0][s]]);
Hui Su's avatar
Hui Su committed
231
        }
232
233
      }
    }
234
  }
235
#else
236
237
  for (i = TX_4X4; i < EXT_TX_SIZES; ++i) {
    for (j = 0; j < TX_TYPES; ++j)
Yue Chen's avatar
Yue Chen committed
238
239
      av1_cost_tokens_from_cdf(x->intra_tx_type_costs[i][j],
                               fc->intra_ext_tx_cdf[i][j], av1_ext_tx_inv);
240
241
  }
  for (i = TX_4X4; i < EXT_TX_SIZES; ++i) {
Yue Chen's avatar
Yue Chen committed
242
243
    av1_cost_tokens_from_cdf(x->inter_tx_type_costs[i], fc->inter_ext_tx_cdf[i],
                             av1_ext_tx_inv);
244
  }
245
#endif  // CONFIG_EXT_TX
246
#if CONFIG_EXT_INTRA
hui su's avatar
hui su committed
247
#if CONFIG_INTRA_INTERP
248
  for (i = 0; i < INTRA_FILTERS + 1; ++i)
Yue Chen's avatar
Yue Chen committed
249
250
    av1_cost_tokens_from_cdf(x->intra_filter_cost[i], fc->intra_filter_cdf[i],
                             NULL);
hui su's avatar
hui su committed
251
#endif  // CONFIG_INTRA_INTERP
252
#endif  // CONFIG_EXT_INTRA
253
#if CONFIG_LOOP_RESTORATION
254
  av1_cost_tokens(x->switchable_restore_cost, fc->switchable_restore_prob,
255
256
                  av1_switchable_restore_tree);
#endif  // CONFIG_LOOP_RESTORATION
Hui Su's avatar
Hui Su committed
257
258
259
#if CONFIG_INTRABC
  av1_cost_tokens_from_cdf(x->intrabc_cost, fc->intrabc_cdf, NULL);
#endif  // CONFIG_INTRABC
260
261
262

  if (!frame_is_intra_only(cm)) {
    for (i = 0; i < NEWMV_MODE_CONTEXTS; ++i) {
Yue Chen's avatar
Yue Chen committed
263
264
265
#if CONFIG_NEW_MULTISYMBOL
      av1_cost_tokens_from_cdf(x->newmv_mode_cost[i], fc->newmv_cdf[i], NULL);
#else
266
267
      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
268
#endif
269
270
271
    }

    for (i = 0; i < ZEROMV_MODE_CONTEXTS; ++i) {
Yue Chen's avatar
Yue Chen committed
272
273
274
#if CONFIG_NEW_MULTISYMBOL
      av1_cost_tokens_from_cdf(x->zeromv_mode_cost[i], fc->zeromv_cdf[i], NULL);
#else
275
276
      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
277
#endif
278
279
280
    }

    for (i = 0; i < REFMV_MODE_CONTEXTS; ++i) {
Yue Chen's avatar
Yue Chen committed
281
282
283
#if CONFIG_NEW_MULTISYMBOL
      av1_cost_tokens_from_cdf(x->refmv_mode_cost[i], fc->refmv_cdf[i], NULL);
#else
284
285
      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
286
#endif
287
288
289
    }

    for (i = 0; i < DRL_MODE_CONTEXTS; ++i) {
Yue Chen's avatar
Yue Chen committed
290
291
292
#if CONFIG_NEW_MULTISYMBOL
      av1_cost_tokens_from_cdf(x->drl_mode_cost0[i], fc->drl_cdf[i], NULL);
#else
293
294
      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
295
#endif
296
297
298
    }
#if CONFIG_EXT_INTER
    for (i = 0; i < INTER_MODE_CONTEXTS; ++i)
Yue Chen's avatar
Yue Chen committed
299
300
      av1_cost_tokens_from_cdf(x->inter_compound_mode_cost[i],
                               fc->inter_compound_mode_cdf[i], NULL);
301
#if CONFIG_WEDGE || CONFIG_COMPOUND_SEGMENT
302
303
304
    for (i = 0; i < BLOCK_SIZES_ALL; ++i)
      av1_cost_tokens_from_cdf(x->compound_type_cost[i],
                               fc->compound_type_cdf[i], NULL);
305
#endif  // CONFIG_WEDGE || CONFIG_COMPOUND_SEGMENT
306
307
#if CONFIG_COMPOUND_SINGLEREF
    for (i = 0; i < INTER_MODE_CONTEXTS; ++i)
Yue Chen's avatar
Yue Chen committed
308
309
      av1_cost_tokens_from_cdf(x->inter_singleref_comp_mode_cost[i],
                               fc->inter_singleref_comp_mode_cdf[i], NULL);
310
311
312
#endif  // CONFIG_COMPOUND_SINGLEREF
#if CONFIG_INTERINTRA
    for (i = 0; i < BLOCK_SIZE_GROUPS; ++i)
Yue Chen's avatar
Yue Chen committed
313
314
      av1_cost_tokens_from_cdf(x->interintra_mode_cost[i],
                               fc->interintra_mode_cdf[i], NULL);
315
316
317
318
#endif  // CONFIG_INTERINTRA
#endif  // CONFIG_EXT_INTER
#if CONFIG_MOTION_VAR || CONFIG_WARPED_MOTION
    for (i = BLOCK_8X8; i < BLOCK_SIZES_ALL; i++) {
319
320
      av1_cost_tokens_from_cdf(x->motion_mode_cost[i], fc->motion_mode_cdf[i],
                               NULL);
321
322
323
    }
#if CONFIG_MOTION_VAR && CONFIG_WARPED_MOTION
    for (i = BLOCK_8X8; i < BLOCK_SIZES_ALL; i++) {
324
325
326
327
328
#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
329
330
      av1_cost_tokens_from_cdf(x->motion_mode_cost1[i], fc->obmc_cdf[i], NULL);
#else
331
332
      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
333
#endif
334
335
336
337
    }
#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) {
338
339
      av1_cost_tokens_from_cdf(x->ncobmc_mode_cost[i], fc->ncobmc_mode_cdf[i],
                               NULL);
340
341
342
343
    }
#endif  // CONFIG_MOTION_VAR && CONFIG_NCOBMC_ADAPT_WEIGHT
#endif  // CONFIG_MOTION_VAR || CONFIG_WARPED_MOTION
  }
Jingning Han's avatar
Jingning Han committed
344
345
346
347
348
349
}

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

350
#if CONFIG_HIGHBITDEPTH
Jingning Han's avatar
Jingning Han committed
351
352
353
354
355
356
357
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
358
                            aom_bit_depth_t bit_depth) {
Jingning Han's avatar
Jingning Han committed
359
360
361
362
363
  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
364
    const double q = av1_convert_qindex_to_q(i, bit_depth);
Jingning Han's avatar
Jingning Han committed
365
366
367
368
369
    bit16lut[i] = (int)(0.0418 * q + 2.4107);
    bit4lut[i] = (int)(0.063 * q + 2.742);
  }
}

Yaowu Xu's avatar
Yaowu Xu committed
370
void av1_init_me_luts(void) {
Jingning Han's avatar
Jingning Han committed
371
  init_me_luts_bd(sad_per_bit16lut_8, sad_per_bit4lut_8, QINDEX_RANGE,
Yaowu Xu's avatar
Yaowu Xu committed
372
                  AOM_BITS_8);
373
#if CONFIG_HIGHBITDEPTH
Jingning Han's avatar
Jingning Han committed
374
  init_me_luts_bd(sad_per_bit16lut_10, sad_per_bit4lut_10, QINDEX_RANGE,
Yaowu Xu's avatar
Yaowu Xu committed
375
                  AOM_BITS_10);
Jingning Han's avatar
Jingning Han committed
376
  init_me_luts_bd(sad_per_bit16lut_12, sad_per_bit4lut_12, QINDEX_RANGE,
Yaowu Xu's avatar
Yaowu Xu committed
377
                  AOM_BITS_12);
Jingning Han's avatar
Jingning Han committed
378
379
380
#endif
}

381
382
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
383
static const int rd_frame_type_factor[FRAME_UPDATE_TYPES] = {
384
  128, 144, 128, 128, 144,
385
#if CONFIG_EXT_REFS
386
  // TODO(zoeliu): To adjust further following factor values.
387
  128, 128, 128,
388
389
  // TODO(weitinglin): We should investigate if the values should be the same
  //                   as the value used by OVERLAY frame
390
  144,  // INTNL_OVERLAY_UPDATE
Zoe Liu's avatar
Zoe Liu committed
391
  128   // INTNL_ARF_UPDATE
392
#endif  // CONFIG_EXT_REFS
Jingning Han's avatar
Jingning Han committed
393
394
};

Yaowu Xu's avatar
Yaowu Xu committed
395
396
int av1_compute_rd_mult(const AV1_COMP *cpi, int qindex) {
  const int64_t q = av1_dc_quant(qindex, 0, cpi->common.bit_depth);
397
#if CONFIG_HIGHBITDEPTH
Jingning Han's avatar
Jingning Han committed
398
399
  int64_t rdmult = 0;
  switch (cpi->common.bit_depth) {
Yaowu Xu's avatar
Yaowu Xu committed
400
401
402
    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
403
    default:
Yaowu Xu's avatar
Yaowu Xu committed
404
      assert(0 && "bit_depth should be AOM_BITS_8, AOM_BITS_10 or AOM_BITS_12");
Jingning Han's avatar
Jingning Han committed
405
406
407
408
      return -1;
  }
#else
  int64_t rdmult = 88 * q * q / 24;
409
#endif  // CONFIG_HIGHBITDEPTH
Jingning Han's avatar
Jingning Han committed
410
411
412
  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
413
    const int boost_index = AOMMIN(15, (cpi->rc.gfu_boost / 100));
Jingning Han's avatar
Jingning Han committed
414
415
416
417

    rdmult = (rdmult * rd_frame_type_factor[frame_type]) >> 7;
    rdmult += ((rdmult * rd_boost_factor[boost_index]) >> 7);
  }
418
  if (rdmult < 1) rdmult = 1;
Jingning Han's avatar
Jingning Han committed
419
420
421
  return (int)rdmult;
}

Yaowu Xu's avatar
Yaowu Xu committed
422
static int compute_rd_thresh_factor(int qindex, aom_bit_depth_t bit_depth) {
Jingning Han's avatar
Jingning Han committed
423
  double q;
424
#if CONFIG_HIGHBITDEPTH
Jingning Han's avatar
Jingning Han committed
425
  switch (bit_depth) {
Yaowu Xu's avatar
Yaowu Xu committed
426
427
428
    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
429
    default:
Yaowu Xu's avatar
Yaowu Xu committed
430
      assert(0 && "bit_depth should be AOM_BITS_8, AOM_BITS_10 or AOM_BITS_12");
Jingning Han's avatar
Jingning Han committed
431
432
433
      return -1;
  }
#else
434
  (void)bit_depth;
Yaowu Xu's avatar
Yaowu Xu committed
435
  q = av1_dc_quant(qindex, 0, AOM_BITS_8) / 4.0;
436
#endif  // CONFIG_HIGHBITDEPTH
Jingning Han's avatar
Jingning Han committed
437
  // TODO(debargha): Adjust the function below.
Yaowu Xu's avatar
Yaowu Xu committed
438
  return AOMMAX((int)(pow(q, RD_THRESH_POW) * 5.12), 8);
Jingning Han's avatar
Jingning Han committed
439
440
}

Yaowu Xu's avatar
Yaowu Xu committed
441
void av1_initialize_me_consts(const AV1_COMP *cpi, MACROBLOCK *x, int qindex) {
442
#if CONFIG_HIGHBITDEPTH
Jingning Han's avatar
Jingning Han committed
443
  switch (cpi->common.bit_depth) {
Yaowu Xu's avatar
Yaowu Xu committed
444
    case AOM_BITS_8:
Jingning Han's avatar
Jingning Han committed
445
446
447
      x->sadperbit16 = sad_per_bit16lut_8[qindex];
      x->sadperbit4 = sad_per_bit4lut_8[qindex];
      break;
Yaowu Xu's avatar
Yaowu Xu committed
448
    case AOM_BITS_10:
Jingning Han's avatar
Jingning Han committed
449
450
451
      x->sadperbit16 = sad_per_bit16lut_10[qindex];
      x->sadperbit4 = sad_per_bit4lut_10[qindex];
      break;
Yaowu Xu's avatar
Yaowu Xu committed
452
    case AOM_BITS_12:
Jingning Han's avatar
Jingning Han committed
453
454
455
456
      x->sadperbit16 = sad_per_bit16lut_12[qindex];
      x->sadperbit4 = sad_per_bit4lut_12[qindex];
      break;
    default:
Yaowu Xu's avatar
Yaowu Xu committed
457
      assert(0 && "bit_depth should be AOM_BITS_8, AOM_BITS_10 or AOM_BITS_12");
Jingning Han's avatar
Jingning Han committed
458
459
460
461
462
  }
#else
  (void)cpi;
  x->sadperbit16 = sad_per_bit16lut_8[qindex];
  x->sadperbit4 = sad_per_bit4lut_8[qindex];
463
#endif  // CONFIG_HIGHBITDEPTH
Jingning Han's avatar
Jingning Han committed
464
465
}

Yaowu Xu's avatar
Yaowu Xu committed
466
static void set_block_thresholds(const AV1_COMMON *cm, RD_OPT *rd) {
Jingning Han's avatar
Jingning Han committed
467
468
469
470
  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
471
        clamp(av1_get_qindex(&cm->seg, segment_id, cm->base_qindex) +
472
473
                  cm->y_dc_delta_q,
              0, MAXQ);
Jingning Han's avatar
Jingning Han committed
474
475
    const int q = compute_rd_thresh_factor(qindex, cm->bit_depth);

476
    for (bsize = 0; bsize < BLOCK_SIZES_ALL; ++bsize) {
Jingning Han's avatar
Jingning Han committed
477
478
479
480
481
      // 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;

482
483
484
485
486
487
#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
488
489
      if (bsize >= BLOCK_8X8) {
        for (i = 0; i < MAX_MODES; ++i)
490
491
492
          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
493
494
495
496
497
498
499
      } 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;
      }
500
#endif
Jingning Han's avatar
Jingning Han committed
501
502
503
504
    }
  }
}

Yaowu Xu's avatar
Yaowu Xu committed
505
506
void av1_set_mvcost(MACROBLOCK *x, MV_REFERENCE_FRAME ref_frame, int ref,
                    int ref_mv_idx) {
507
  MB_MODE_INFO_EXT *mbmi_ext = x->mbmi_ext;
Yaowu Xu's avatar
Yaowu Xu committed
508
509
510
511
  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;
512
513
514
515
  x->mvcost = x->mv_cost_stack[nmv_ctx];
  x->nmvjointcost = x->nmv_vec_cost[nmv_ctx];
}

516
#if CONFIG_LV_MAP
517
#if !LV_MAP_PROB
518
519
520
521
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);
}
522
#endif  // !LV_MAP_PROB
523
524
525
526
527
528

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

529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
#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);

552
553
554
555
556
557
558
#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);

559
560
561
      for (int ctx = 0; ctx < LEVEL_CONTEXTS; ++ctx) {
        int lps_rate[2];
        av1_cost_tokens_from_cdf(lps_rate,
562
                                 fc->coeff_lps_cdf[tx_size][plane][ctx], NULL);
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594

        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
595
596
597
598
599
#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
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
#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
618
#else   // LV_MAP_PROB
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
      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]);
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653

#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
654
#endif  // LV_MAP_PROB
655
656
657
    }
  }
}
658
#endif  // CONFIG_LV_MAP
659

660
661
void av1_fill_token_costs_from_cdf(av1_coeff_cost *cost,
                                   coeff_cdf_model (*cdf)[PLANE_TYPES]) {
hui su's avatar
hui su committed
662
663
664
665
666
667
668
669
670
671
672
673
674
675
  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
676
677
void av1_initialize_rd_consts(AV1_COMP *cpi) {
  AV1_COMMON *const cm = &cpi->common;
Jingning Han's avatar
Jingning Han committed
678
679
  MACROBLOCK *const x = &cpi->td.mb;
  RD_OPT *const rd = &cpi->rd;
680
  int nmv_ctx;
Jingning Han's avatar
Jingning Han committed
681

Yaowu Xu's avatar
Yaowu Xu committed
682
  aom_clear_system_state();
Jingning Han's avatar
Jingning Han committed
683

Yaowu Xu's avatar
Yaowu Xu committed
684
  rd->RDMULT = av1_compute_rd_mult(cpi, cm->base_qindex + cm->y_dc_delta_q);
Jingning Han's avatar
Jingning Han committed
685

686
  set_error_per_bit(x, rd->RDMULT);
Jingning Han's avatar
Jingning Han committed
687
688
689

  set_block_thresholds(cm, rd);

690
  for (nmv_ctx = 0; nmv_ctx < NMV_CONTEXTS; ++nmv_ctx) {
RogerZhou's avatar
RogerZhou committed
691
692
693
694
695
696
697
698
699
700
701
702
703
#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
704
705
706
707
708
    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
709
#endif
710
711
712
  }
  x->mvcost = x->mv_cost_stack[0];
  x->nmvjointcost = x->nmv_vec_cost[0];
Jingning Han's avatar
Jingning Han committed
713

Alex Converse's avatar
Alex Converse committed
714
715
716
717
718
719
720
721
722
723
#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

724
#if CONFIG_GLOBAL_MOTION
725
  if (cpi->oxcf.pass != 1) {
726
    for (int i = 0; i < TRANS_TYPES; ++i)
727
#if GLOBAL_TRANS_TYPES > 4
728
729
      cpi->gmtype_cost[i] = (1 + (i > 0 ? GLOBAL_TYPE_BITS : 0))
                            << AV1_PROB_COST_SHIFT;
730
731
732
733
734
735
736
737
#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
738
  }
739
#endif  // CONFIG_GLOBAL_MOTION
Jingning Han's avatar
Jingning Han committed
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
}

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[] = {
756
757
758
759
760
761
762
763
764
    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
765
766
767
768
769
770
771
772
773
  };
  // 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[] = {
774
775
776
777
778
779
780
781
782
    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
783
784
  };
  static const int xsq_iq_q10[] = {
785
786
787
788
789
790
791
792
793
794
795
796
    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
797
798
799
800
801
802
803
804
805
806
807
  };
  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
808
809
810
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
811
812
813
814
815
816
817
818
819
820
821
822
823
824
  // 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
825
    const int xsq_q10 = (int)AOMMIN(xsq_q10_64, MAX_XSQ_Q10);
Jingning Han's avatar
Jingning Han committed
826
    model_rd_norm(xsq_q10, &r_q10, &d_q10);
Yaowu Xu's avatar
Yaowu Xu committed
827
    *rate = ROUND_POWER_OF_TWO(r_q10 << n_log2, 10 - AV1_PROB_COST_SHIFT);
Jingning Han's avatar
Jingning Han committed
828
829
830
831
    *dist = (var * (int64_t)d_q10 + 512) >> 10;
  }
}

832
833
834
835
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]) {
836
837
  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
838
839
840
  const ENTROPY_CONTEXT *const above = pd->above_context;
  const ENTROPY_CONTEXT *const left = pd->left_context;

841
842
843
844
845
846
#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
847
  int i;
848

849
#if CONFIG_CHROMA_2X2
850
  switch (tx_size) {
851
    case TX_2X2:
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
      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;
881
#if CONFIG_TX64X64
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
    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;
902
903
904
905
906
907
908
909
910
911
912
913
914
    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
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
    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];
952
      break;
Yue Chen's avatar
Yue Chen committed
953
#if CONFIG_RECT_TX_EXT && (CONFIG_EXT_TX || CONFIG_VAR_TX)
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
    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
980
#endif
981
982
983
984

    default: assert(0 && "Invalid transform size."); break;
  }
  return;
985
#endif  // CONFIG_CHROMA_2X2
986
987

  switch (tx_size) {
Jingning Han's avatar
Jingning Han committed
988
989
990
991
    case TX_4X4:
      memcpy(t_above, above, sizeof(ENTROPY_CONTEXT) * num_4x4_w);
      memcpy(t_left, left, sizeof(ENTROPY_CONTEXT) * num_4x4_h);
      break;
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
    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;
1010
#if CONFIG_TX64X64
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
    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;
1025
1026
1027
1028
1029
    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)
1030
1031
        t_left[i] =
            !!(*(const uint64_t *)&left[i] | *(const uint64_t *)&left[i + 8]);
1032
1033
      break;
#endif  // CONFIG_TX64X64
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
    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;
1044
    case TX_8X16:
Jingning Han's avatar
Jingning Han committed
1045
1046
      for (i = 0; i < num_4x4_w; i += 2)
        t_above[i] = !!*(const uint16_t *)&above[i];
1047
1048
1049
1050
1051
1052
      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
1053
1054
1055
      for (i = 0; i < num_4x4_h; i += 2)
        t_left[i] = !!*(const uint16_t *)&left[i];
      break;
1056
    case TX_16X32:
Jingning Han's avatar
Jingning Han committed
1057
1058
      for (i = 0; i < num_4x4_w; i += 4)
        t_above[i] = !!*(const uint32_t *)&above[i];
1059
1060
      for (i = 0; i < num_4x4_h; i += 8)
        t_left[i] = !!*(const uint64_t *)&left[i];
Jingning Han's avatar
Jingning Han committed
1061
      break;
1062
    case TX_32X16:
Jingning Han's avatar
Jingning Han committed
1063
1064
      for (i = 0; i < num_4x4_w; i += 8)
        t_above[i] = !!*(const uint64_t *)&above[i];
1065
1066
1067
      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
1068
#if CONFIG_RECT_TX_EXT && (CONFIG_EXT_TX || CONFIG_VAR_TX)
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
    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
1091
#endif
clang-format's avatar
clang-format committed
1092
    default: assert(0 && "Invalid transform size."); break;
Jingning Han's avatar
Jingning Han committed
1093
1094
1095
  }
}

Yaowu Xu's avatar
Yaowu Xu committed
1096
1097
1098
1099
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]) {
1100
#if CONFIG_CHROMA_SUB8X8
1101
1102
1103
  const BLOCK_SIZE plane_bsize =
      AOMMAX(BLOCK_4X4, get_plane_block_size(bsize, pd));
#else
1104
  const BLOCK_SIZE plane_bsize = get_plane_block_size(bsize, pd);
1105
#endif
1106
  get_entropy_contexts_plane(plane_bsize, tx_size, pd, t_above, t_left);
1107
1108
}

1109
void av1_mv_pred(const AV1_COMP *cpi, MACROBLOCK *x, uint8_t *ref_y_buffer,
Yaowu Xu's avatar
Yaowu Xu committed
1110
                 int ref_y_stride, int ref_frame, BLOCK_SIZE block_size) {
Jingning Han's avatar
Jingning Han committed
1111
1112
1113
1114
1115
1116
1117
1118
  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;
1119
  MV pred_mv[MAX_MV_REF_CANDIDATES + 1];
1120
1121
1122
1123
1124
1125
  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;
1126
  }
1127
1128
1129
  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
1130
  assert(num_mv_refs <= (int)(sizeof(pred_mv) / sizeof(pred_mv[0])));
1131

Jingning Han's avatar
Jingning Han committed
1132
1133
1134
1135
1136
1137
  // 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
1138
    max_mv = AOMMAX(max_mv, AOMMAX(abs(this_mv->row), abs(this_mv->col)) >> 3);
Jingning Han's avatar
Jingning Han committed
1139

1140
1141
    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
1142

1143
    ref_y_ptr = &ref_y_buffer[ref_y_stride * fp_row + fp_col];
Jingning Han's avatar
Jingning Han committed
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
    // 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
1160
1161
1162
1163
1164
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
1165
1166
1167
1168
1169
1170
1171
1172
1173
  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;
  dst[1].stride = dst[2].stride = src->uv_stride;

  for (i