summaryrefslogtreecommitdiffstats
path: root/third_party/aom/av1/encoder/speed_features.c
blob: e2275a54fc0b0553cf0f9226ff8b5982f1e2afbc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
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
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
/*
 * Copyright (c) 2016, Alliance for Open Media. All rights reserved
 *
 * 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.
 */

#include <limits.h>

#include "av1/encoder/encoder.h"
#include "av1/encoder/speed_features.h"
#include "av1/encoder/rdopt.h"

#include "aom_dsp/aom_dsp_common.h"

#define MAX_MESH_SPEED 5  // Max speed setting for mesh motion method
static MESH_PATTERN
    good_quality_mesh_patterns[MAX_MESH_SPEED + 1][MAX_MESH_STEP] = {
      { { 64, 8 }, { 28, 4 }, { 15, 1 }, { 7, 1 } },
      { { 64, 8 }, { 28, 4 }, { 15, 1 }, { 7, 1 } },
      { { 64, 8 }, { 14, 2 }, { 7, 1 }, { 7, 1 } },
      { { 64, 16 }, { 24, 8 }, { 12, 4 }, { 7, 1 } },
      { { 64, 16 }, { 24, 8 }, { 12, 4 }, { 7, 1 } },
      { { 64, 16 }, { 24, 8 }, { 12, 4 }, { 7, 1 } },
    };
static unsigned char good_quality_max_mesh_pct[MAX_MESH_SPEED + 1] = {
  50, 25, 15, 5, 1, 1
};

#if CONFIG_INTRABC
// TODO(aconverse@google.com): These settings are pretty relaxed, tune them for
// each speed setting
static MESH_PATTERN intrabc_mesh_patterns[MAX_MESH_SPEED + 1][MAX_MESH_STEP] = {
  { { 64, 1 }, { 64, 1 }, { 0, 0 }, { 0, 0 } },
  { { 64, 1 }, { 64, 1 }, { 0, 0 }, { 0, 0 } },
  { { 64, 1 }, { 64, 1 }, { 0, 0 }, { 0, 0 } },
  { { 64, 4 }, { 16, 1 }, { 0, 0 }, { 0, 0 } },
  { { 64, 4 }, { 16, 1 }, { 0, 0 }, { 0, 0 } },
  { { 64, 4 }, { 16, 1 }, { 0, 0 }, { 0, 0 } },
};
static uint8_t intrabc_max_mesh_pct[MAX_MESH_SPEED + 1] = { 100, 100, 100,
                                                            25,  25,  10 };
#endif

// Intra only frames, golden frames (except alt ref overlays) and
// alt ref frames tend to be coded at a higher than ambient quality
static int frame_is_boosted(const AV1_COMP *cpi) {
  return frame_is_kf_gf_arf(cpi);
}

// Sets a partition size down to which the auto partition code will always
// search (can go lower), based on the image dimensions. The logic here
// is that the extent to which ringing artefacts are offensive, depends
// partly on the screen area that over which they propogate. Propogation is
// limited by transform block size but the screen area take up by a given block
// size will be larger for a small image format stretched to full screen.
static BLOCK_SIZE set_partition_min_limit(AV1_COMMON *const cm) {
  unsigned int screen_area = (cm->width * cm->height);

  // Select block size based on image format size.
  if (screen_area < 1280 * 720) {
    // Formats smaller in area than 720P
    return BLOCK_4X4;
  } else if (screen_area < 1920 * 1080) {
    // Format >= 720P and < 1080P
    return BLOCK_8X8;
  } else {
    // Formats 1080P and up
    return BLOCK_16X16;
  }
}

static void set_good_speed_feature_framesize_dependent(AV1_COMP *cpi,
                                                       SPEED_FEATURES *sf,
                                                       int speed) {
  AV1_COMMON *const cm = &cpi->common;

  if (speed >= 1) {
    if (AOMMIN(cm->width, cm->height) >= 720) {
      sf->disable_split_mask =
          cm->show_frame ? DISABLE_ALL_SPLIT : DISABLE_ALL_INTER_SPLIT;
      sf->partition_search_breakout_dist_thr = (1 << 23);
    } else {
      sf->disable_split_mask = DISABLE_COMPOUND_SPLIT;
      sf->partition_search_breakout_dist_thr = (1 << 21);
    }
  }

  if (speed >= 2) {
    if (AOMMIN(cm->width, cm->height) >= 720) {
      sf->disable_split_mask =
          cm->show_frame ? DISABLE_ALL_SPLIT : DISABLE_ALL_INTER_SPLIT;
      sf->adaptive_pred_interp_filter = 0;
      sf->partition_search_breakout_dist_thr = (1 << 24);
      sf->partition_search_breakout_rate_thr = 120;
    } else {
      sf->disable_split_mask = LAST_AND_INTRA_SPLIT_ONLY;
      sf->partition_search_breakout_dist_thr = (1 << 22);
      sf->partition_search_breakout_rate_thr = 100;
    }
    sf->rd_auto_partition_min_limit = set_partition_min_limit(cm);
  }

  if (speed >= 3) {
    if (AOMMIN(cm->width, cm->height) >= 720) {
      sf->disable_split_mask = DISABLE_ALL_SPLIT;
      sf->schedule_mode_search = cm->base_qindex < 220 ? 1 : 0;
      sf->partition_search_breakout_dist_thr = (1 << 25);
      sf->partition_search_breakout_rate_thr = 200;
    } else {
      sf->max_intra_bsize = BLOCK_32X32;
      sf->disable_split_mask = DISABLE_ALL_INTER_SPLIT;
      sf->schedule_mode_search = cm->base_qindex < 175 ? 1 : 0;
      sf->partition_search_breakout_dist_thr = (1 << 23);
      sf->partition_search_breakout_rate_thr = 120;
    }
  }

  // If this is a two pass clip that fits the criteria for animated or
  // graphics content then reset disable_split_mask for speeds 1-4.
  // Also if the image edge is internal to the coded area.
  if ((speed >= 1) && (cpi->oxcf.pass == 2) &&
      ((cpi->twopass.fr_content_type == FC_GRAPHICS_ANIMATION) ||
       (av1_internal_image_edge(cpi)))) {
    sf->disable_split_mask = DISABLE_COMPOUND_SPLIT;
  }

  if (speed >= 4) {
    if (AOMMIN(cm->width, cm->height) >= 720) {
      sf->partition_search_breakout_dist_thr = (1 << 26);
    } else {
      sf->partition_search_breakout_dist_thr = (1 << 24);
    }
    sf->disable_split_mask = DISABLE_ALL_SPLIT;
  }
}

static void set_good_speed_features_framesize_independent(AV1_COMP *cpi,
                                                          SPEED_FEATURES *sf,
                                                          int speed) {
  AV1_COMMON *const cm = &cpi->common;
  const int boosted = frame_is_boosted(cpi);

  if (speed >= 1) {
    sf->tx_type_search.fast_intra_tx_type_search = 1;
    sf->tx_type_search.fast_inter_tx_type_search = 1;
  }

  if (speed >= 2) {
    if ((cpi->twopass.fr_content_type == FC_GRAPHICS_ANIMATION) ||
        av1_internal_image_edge(cpi)) {
      sf->use_square_partition_only = !frame_is_boosted(cpi);
    } else {
      sf->use_square_partition_only = !frame_is_intra_only(cm);
    }

    sf->less_rectangular_check = 1;

    sf->use_rd_breakout = 1;
    sf->adaptive_motion_search = 1;
    sf->mv.auto_mv_step_size = 1;
    sf->adaptive_rd_thresh = 1;
    sf->mv.subpel_iters_per_step = 1;
    sf->mode_skip_start = 10;
    sf->adaptive_pred_interp_filter = 1;

    sf->recode_loop = ALLOW_RECODE_KFARFGF;
#if CONFIG_TX64X64
    sf->intra_y_mode_mask[TX_64X64] = INTRA_DC_H_V;
    sf->intra_uv_mode_mask[TX_64X64] = INTRA_DC_H_V;
#endif  // CONFIG_TX64X64
    sf->intra_y_mode_mask[TX_32X32] = INTRA_DC_H_V;
    sf->intra_uv_mode_mask[TX_32X32] = INTRA_DC_H_V;
    sf->intra_y_mode_mask[TX_16X16] = INTRA_DC_H_V;
    sf->intra_uv_mode_mask[TX_16X16] = INTRA_DC_H_V;

    sf->tx_size_search_breakout = 1;
    sf->partition_search_breakout_rate_thr = 80;
    sf->tx_type_search.prune_mode = PRUNE_ONE;
    // Use transform domain distortion.
    // Note var-tx expt always uses pixel domain distortion.
    sf->use_transform_domain_distortion = 1;
#if CONFIG_EXT_INTER
    sf->disable_wedge_search_var_thresh = 100;
    sf->fast_wedge_sign_estimate = 1;
#endif  // CONFIG_EXT_INTER
  }

  if (speed >= 3) {
    sf->tx_size_search_method =
        frame_is_boosted(cpi) ? USE_FULL_RD : USE_LARGESTALL;
    sf->mode_search_skip_flags =
        (cm->frame_type == KEY_FRAME)
            ? 0
            : FLAG_SKIP_INTRA_DIRMISMATCH | FLAG_SKIP_INTRA_BESTINTER |
                  FLAG_SKIP_COMP_BESTINTRA | FLAG_SKIP_INTRA_LOWVAR;
    sf->disable_filter_search_var_thresh = 100;
    sf->comp_inter_joint_search_thresh = BLOCK_SIZES;
    sf->auto_min_max_partition_size = RELAXED_NEIGHBORING_MIN_MAX;
    sf->allow_partition_search_skip = 1;
    sf->use_upsampled_references = 0;
    sf->adaptive_rd_thresh = 2;
#if CONFIG_EXT_TX
    sf->tx_type_search.prune_mode = PRUNE_TWO;
#endif
#if CONFIG_GLOBAL_MOTION
    sf->gm_search_type = GM_DISABLE_SEARCH;
#endif  // CONFIG_GLOBAL_MOTION
  }

  if (speed >= 4) {
    sf->use_square_partition_only = !frame_is_intra_only(cm);
    sf->tx_size_search_method =
        frame_is_intra_only(cm) ? USE_FULL_RD : USE_LARGESTALL;
    sf->mv.subpel_search_method = SUBPEL_TREE_PRUNED;
    sf->adaptive_pred_interp_filter = 0;
    sf->adaptive_mode_search = 1;
    sf->cb_partition_search = !boosted;
    sf->cb_pred_filter_search = 1;
    sf->alt_ref_search_fp = 1;
    sf->recode_loop = ALLOW_RECODE_KFMAXBW;
    sf->adaptive_rd_thresh = 3;
    sf->mode_skip_start = 6;
#if CONFIG_TX64X64
    sf->intra_y_mode_mask[TX_64X64] = INTRA_DC;
    sf->intra_uv_mode_mask[TX_64X64] = INTRA_DC;
#endif  // CONFIG_TX64X64
    sf->intra_y_mode_mask[TX_32X32] = INTRA_DC;
    sf->intra_uv_mode_mask[TX_32X32] = INTRA_DC;
    sf->adaptive_interp_filter_search = 1;
  }

  if (speed >= 5) {
    sf->use_square_partition_only = 1;
    sf->tx_size_search_method = USE_LARGESTALL;
    sf->mv.search_method = BIGDIA;
    sf->mv.subpel_search_method = SUBPEL_TREE_PRUNED_MORE;
    sf->adaptive_rd_thresh = 4;
    if (cm->frame_type != KEY_FRAME)
      sf->mode_search_skip_flags |= FLAG_EARLY_TERMINATE;
    sf->disable_filter_search_var_thresh = 200;
    sf->use_fast_coef_updates = ONE_LOOP_REDUCED;
    sf->use_fast_coef_costing = 1;
    sf->partition_search_breakout_rate_thr = 300;
  }

  if (speed >= 6) {
    int i;
    sf->optimize_coefficients = 0;
    sf->mv.search_method = HEX;
    sf->disable_filter_search_var_thresh = 500;
    for (i = 0; i < TX_SIZES; ++i) {
      sf->intra_y_mode_mask[i] = INTRA_DC;
      sf->intra_uv_mode_mask[i] = INTRA_DC;
    }
    sf->partition_search_breakout_rate_thr = 500;
    sf->mv.reduce_first_step_size = 1;
    sf->simple_model_rd_from_var = 1;
  }
  if (speed >= 7) {
    const int is_keyframe = cm->frame_type == KEY_FRAME;
    const int frames_since_key = is_keyframe ? 0 : cpi->rc.frames_since_key;
    sf->default_max_partition_size = BLOCK_32X32;
    sf->default_min_partition_size = BLOCK_8X8;
#if CONFIG_TX64X64
    sf->intra_y_mode_mask[TX_64X64] = INTRA_DC;
#endif  // CONFIG_TX64X64
    sf->intra_y_mode_mask[TX_32X32] = INTRA_DC;
    sf->frame_parameter_update = 0;
    sf->mv.search_method = FAST_HEX;
    sf->inter_mode_mask[BLOCK_32X32] = INTER_NEAREST_NEAR_NEW;
    sf->inter_mode_mask[BLOCK_32X64] = INTER_NEAREST;
    sf->inter_mode_mask[BLOCK_64X32] = INTER_NEAREST;
    sf->inter_mode_mask[BLOCK_64X64] = INTER_NEAREST;
#if CONFIG_EXT_PARTITION
    sf->inter_mode_mask[BLOCK_64X128] = INTER_NEAREST;
    sf->inter_mode_mask[BLOCK_128X64] = INTER_NEAREST;
    sf->inter_mode_mask[BLOCK_128X128] = INTER_NEAREST;
#endif  // CONFIG_EXT_PARTITION
    sf->partition_search_type = REFERENCE_PARTITION;
    sf->default_min_partition_size = BLOCK_8X8;
    sf->reuse_inter_pred_sby = 1;
    sf->force_frame_boost =
        is_keyframe ||
        (frames_since_key % (sf->last_partitioning_redo_frequency << 1) == 1);
    sf->max_delta_qindex = is_keyframe ? 20 : 15;
    sf->coeff_prob_appx_step = 4;
    sf->mode_search_skip_flags |= FLAG_SKIP_INTRA_DIRMISMATCH;
  }
  if (speed >= 8) {
    sf->mv.search_method = FAST_DIAMOND;
    sf->mv.fullpel_search_step_param = 10;
    sf->mv.subpel_force_stop = 2;
    sf->lpf_pick = LPF_PICK_MINIMAL_LPF;
  }
}

void av1_set_speed_features_framesize_dependent(AV1_COMP *cpi) {
  SPEED_FEATURES *const sf = &cpi->sf;
  const AV1EncoderConfig *const oxcf = &cpi->oxcf;
  AV1_COMMON *const cm = &cpi->common;
  RD_OPT *const rd = &cpi->rd;
  int i;

// Limit memory usage for high resolutions
#if CONFIG_EXT_REFS
  // TODO(zoeliu): Temporary solution to resolve the insufficient RAM issue for
  //               ext-refs. Need to work with @yunqingwang to have a more
  //               effective solution.
  if (AOMMIN(cm->width, cm->height) > 720) {
    // Turn off the use of upsampled references for HD resolution
    sf->use_upsampled_references = 0;
  } else if ((AOMMIN(cm->width, cm->height) > 540) &&
             (oxcf->profile != PROFILE_0)) {
    sf->use_upsampled_references = 0;
  }
#else
  if (AOMMIN(cm->width, cm->height) > 1080) {
    sf->use_upsampled_references = 0;
  } else if ((AOMMIN(cm->width, cm->height) > 720) &&
             (oxcf->profile != PROFILE_0)) {
    sf->use_upsampled_references = 0;
  }
#endif  // CONFIG_EXT_REFS

  if (oxcf->mode == GOOD) {
    set_good_speed_feature_framesize_dependent(cpi, sf, oxcf->speed);
  }

  if (sf->disable_split_mask == DISABLE_ALL_SPLIT) {
    sf->adaptive_pred_interp_filter = 0;
  }

  // Check for masked out split cases.
  for (i = 0; i < MAX_REFS; ++i) {
    if (sf->disable_split_mask & (1 << i)) {
      rd->thresh_mult_sub8x8[i] = INT_MAX;
    }
  }

  // This is only used in motion vector unit test.
  if (cpi->oxcf.motion_vector_unit_test == 1)
    cpi->find_fractional_mv_step = av1_return_max_sub_pixel_mv;
  else if (cpi->oxcf.motion_vector_unit_test == 2)
    cpi->find_fractional_mv_step = av1_return_min_sub_pixel_mv;
}

void av1_set_speed_features_framesize_independent(AV1_COMP *cpi) {
  AV1_COMMON *const cm = &cpi->common;
  SPEED_FEATURES *const sf = &cpi->sf;
  MACROBLOCK *const x = &cpi->td.mb;
  const AV1EncoderConfig *const oxcf = &cpi->oxcf;
  int i;

  (void)cm;
  // best quality defaults
  sf->frame_parameter_update = 1;
  sf->mv.search_method = NSTEP;
  sf->recode_loop = ALLOW_RECODE;
  sf->mv.subpel_search_method = SUBPEL_TREE;
  sf->mv.subpel_iters_per_step = 2;
  sf->mv.subpel_force_stop = 0;
  sf->optimize_coefficients = !is_lossless_requested(&cpi->oxcf);
  sf->mv.reduce_first_step_size = 0;
  sf->coeff_prob_appx_step = 1;
  sf->mv.auto_mv_step_size = 0;
  sf->mv.fullpel_search_step_param = 6;
  sf->comp_inter_joint_search_thresh = BLOCK_4X4;
  sf->adaptive_rd_thresh = 0;
  sf->tx_size_search_method = USE_FULL_RD;
  sf->adaptive_motion_search = 0;
  sf->adaptive_pred_interp_filter = 0;
  sf->adaptive_mode_search = 0;
  sf->cb_pred_filter_search = 0;
  sf->cb_partition_search = 0;
  sf->alt_ref_search_fp = 0;
  sf->partition_search_type = SEARCH_PARTITION;
  sf->tx_type_search.prune_mode = NO_PRUNE;
  sf->tx_type_search.fast_intra_tx_type_search = 0;
  sf->tx_type_search.fast_inter_tx_type_search = 0;
  sf->less_rectangular_check = 0;
  sf->use_square_partition_only = 0;
  sf->auto_min_max_partition_size = NOT_IN_USE;
  sf->rd_auto_partition_min_limit = BLOCK_4X4;
  sf->default_max_partition_size = BLOCK_LARGEST;
  sf->default_min_partition_size = BLOCK_4X4;
  sf->adjust_partitioning_from_last_frame = 0;
  sf->last_partitioning_redo_frequency = 4;
  sf->disable_split_mask = 0;
  sf->mode_search_skip_flags = 0;
  sf->force_frame_boost = 0;
  sf->max_delta_qindex = 0;
  sf->disable_filter_search_var_thresh = 0;
  sf->adaptive_interp_filter_search = 0;
  sf->allow_partition_search_skip = 0;
  sf->use_upsampled_references = 1;
#if CONFIG_EXT_INTER
  sf->disable_wedge_search_var_thresh = 0;
  sf->fast_wedge_sign_estimate = 0;
#endif  // CONFIG_EXT_INTER

  for (i = 0; i < TX_SIZES; i++) {
    sf->intra_y_mode_mask[i] = INTRA_ALL;
    sf->intra_uv_mode_mask[i] = INTRA_ALL;
  }
  sf->use_rd_breakout = 0;
  sf->lpf_pick = LPF_PICK_FROM_FULL_IMAGE;
  sf->use_fast_coef_updates = TWO_LOOP;
  sf->use_fast_coef_costing = 0;
  sf->mode_skip_start = MAX_MODES;  // Mode index at which mode skip mask set
  sf->schedule_mode_search = 0;
  for (i = 0; i < BLOCK_SIZES; ++i) sf->inter_mode_mask[i] = INTER_ALL;
  sf->max_intra_bsize = BLOCK_LARGEST;
  sf->reuse_inter_pred_sby = 0;
  // This setting only takes effect when partition_search_type is set
  // to FIXED_PARTITION.
  sf->always_this_block_size = BLOCK_16X16;
  sf->search_type_check_frequency = 50;
  // Recode loop tolerance %.
  sf->recode_tolerance = 25;
  sf->default_interp_filter = SWITCHABLE;
  sf->tx_size_search_breakout = 0;
  sf->partition_search_breakout_dist_thr = 0;
  sf->partition_search_breakout_rate_thr = 0;
  sf->simple_model_rd_from_var = 0;

  // Set this at the appropriate speed levels
  sf->use_transform_domain_distortion = 0;
#if CONFIG_GLOBAL_MOTION
  sf->gm_search_type = GM_FULL_SEARCH;
#endif  // CONFIG_GLOBAL_MOTION

  if (oxcf->mode == GOOD
#if CONFIG_XIPHRC
      || oxcf->pass == 1
#endif
      )
    set_good_speed_features_framesize_independent(cpi, sf, oxcf->speed);

  // sf->partition_search_breakout_dist_thr is set assuming max 64x64
  // blocks. Normalise this if the blocks are bigger.
  if (MAX_SB_SIZE_LOG2 > 6) {
    sf->partition_search_breakout_dist_thr <<= 2 * (MAX_SB_SIZE_LOG2 - 6);
  }

  cpi->full_search_sad = av1_full_search_sad;
  cpi->diamond_search_sad = av1_diamond_search_sad;

  sf->allow_exhaustive_searches = 1;
  int speed = (oxcf->speed > MAX_MESH_SPEED) ? MAX_MESH_SPEED : oxcf->speed;
  if (cpi->twopass.fr_content_type == FC_GRAPHICS_ANIMATION)
    sf->exhaustive_searches_thresh = (1 << 24);
  else
    sf->exhaustive_searches_thresh = (1 << 25);
  sf->max_exaustive_pct = good_quality_max_mesh_pct[speed];
  if (speed > 0)
    sf->exhaustive_searches_thresh = sf->exhaustive_searches_thresh << 1;

  for (i = 0; i < MAX_MESH_STEP; ++i) {
    sf->mesh_patterns[i].range = good_quality_mesh_patterns[speed][i].range;
    sf->mesh_patterns[i].interval =
        good_quality_mesh_patterns[speed][i].interval;
  }
#if CONFIG_INTRABC
  if ((frame_is_intra_only(cm) && cm->allow_screen_content_tools) &&
      (cpi->twopass.fr_content_type == FC_GRAPHICS_ANIMATION ||
       cpi->oxcf.content == AOM_CONTENT_SCREEN)) {
    for (i = 0; i < MAX_MESH_STEP; ++i) {
      sf->mesh_patterns[i].range = intrabc_mesh_patterns[speed][i].range;
      sf->mesh_patterns[i].interval = intrabc_mesh_patterns[speed][i].interval;
    }
    sf->max_exaustive_pct = intrabc_max_mesh_pct[speed];
  }
#endif  // CONFIG_INTRABC

#if !CONFIG_XIPHRC
  // Slow quant, dct and trellis not worthwhile for first pass
  // so make sure they are always turned off.
  if (oxcf->pass == 1) sf->optimize_coefficients = 0;
#endif

  // No recode for 1 pass.
  if (oxcf->pass == 0) {
    sf->recode_loop = DISALLOW_RECODE;
    sf->optimize_coefficients = 0;
  }

  if (sf->mv.subpel_search_method == SUBPEL_TREE) {
    cpi->find_fractional_mv_step = av1_find_best_sub_pixel_tree;
  } else if (sf->mv.subpel_search_method == SUBPEL_TREE_PRUNED) {
    cpi->find_fractional_mv_step = av1_find_best_sub_pixel_tree_pruned;
  } else if (sf->mv.subpel_search_method == SUBPEL_TREE_PRUNED_MORE) {
    cpi->find_fractional_mv_step = av1_find_best_sub_pixel_tree_pruned_more;
  } else if (sf->mv.subpel_search_method == SUBPEL_TREE_PRUNED_EVENMORE) {
    cpi->find_fractional_mv_step = av1_find_best_sub_pixel_tree_pruned_evenmore;
  }

#if !CONFIG_AOM_QM
  x->optimize = sf->optimize_coefficients == 1 && oxcf->pass != 1;
#else
  // FIXME: trellis not very efficient for quantisation matrices
  x->optimize = 0;
#endif

  x->min_partition_size = sf->default_min_partition_size;
  x->max_partition_size = sf->default_max_partition_size;

  if (!cpi->oxcf.frame_periodic_boost) {
    sf->max_delta_qindex = 0;
  }

  // This is only used in motion vector unit test.
  if (cpi->oxcf.motion_vector_unit_test == 1)
    cpi->find_fractional_mv_step = av1_return_max_sub_pixel_mv;
  else if (cpi->oxcf.motion_vector_unit_test == 2)
    cpi->find_fractional_mv_step = av1_return_min_sub_pixel_mv;
}