granicus.if.org Git - libvpx/blob - vp9/encoder/vp9_speed_features.c

   1 /*
   2  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
   3  *
   4  *  Use of this source code is governed by a BSD-style license
   5  *  that can be found in the LICENSE file in the root of the source
   6  *  tree. An additional intellectual property rights grant can be found
   7  *  in the file PATENTS.  All contributing project authors may
   8  *  be found in the AUTHORS file in the root of the source tree.
   9  */
  10
  11 #include <limits.h>
  12
  13 #include "vp9/encoder/vp9_encoder.h"
  14 #include "vp9/encoder/vp9_speed_features.h"
  15
  16 // Intra only frames, golden frames (except alt ref overlays) and
  17 // alt ref frames tend to be coded at a higher than ambient quality
  18 static int frame_is_boosted(const VP9_COMP *cpi) {
  19   return frame_is_kf_gf_arf(cpi) || vp9_is_upper_layer_key_frame(cpi);
  20 }
  21
  22 static void set_good_speed_feature_framesize_dependent(VP9_COMMON *cm,
  23                                                        SPEED_FEATURES *sf,
  24                                                        int speed) {
  25   if (speed >= 1) {
  26     if (MIN(cm->width, cm->height) >= 720) {
  27       sf->disable_split_mask = cm->show_frame ? DISABLE_ALL_SPLIT
  28                                               : DISABLE_ALL_INTER_SPLIT;
  29       sf->partition_search_breakout_dist_thr = (1 << 23);
  30     } else {
  31       sf->disable_split_mask = DISABLE_COMPOUND_SPLIT;
  32       sf->partition_search_breakout_dist_thr = (1 << 21);
  33     }
  34   }
  35
  36   if (speed >= 2) {
  37     if (MIN(cm->width, cm->height) >= 720) {
  38       sf->disable_split_mask = cm->show_frame ? DISABLE_ALL_SPLIT
  39                                               : DISABLE_ALL_INTER_SPLIT;
  40       sf->adaptive_pred_interp_filter = 0;
  41       sf->partition_search_breakout_dist_thr = (1 << 24);
  42       sf->partition_search_breakout_rate_thr = 120;
  43     } else {
  44       sf->disable_split_mask = LAST_AND_INTRA_SPLIT_ONLY;
  45       sf->partition_search_breakout_dist_thr = (1 << 22);
  46       sf->partition_search_breakout_rate_thr = 100;
  47     }
  48   }
  49
  50   if (speed >= 3) {
  51     if (MIN(cm->width, cm->height) >= 720) {
  52       sf->disable_split_mask = DISABLE_ALL_SPLIT;
  53       sf->schedule_mode_search = cm->base_qindex < 220 ? 1 : 0;
  54       sf->partition_search_breakout_dist_thr = (1 << 25);
  55       sf->partition_search_breakout_rate_thr = 200;
  56     } else {
  57       sf->max_intra_bsize = BLOCK_32X32;
  58       sf->disable_split_mask = DISABLE_ALL_INTER_SPLIT;
  59       sf->schedule_mode_search = cm->base_qindex < 175 ? 1 : 0;
  60       sf->partition_search_breakout_dist_thr = (1 << 23);
  61       sf->partition_search_breakout_rate_thr = 120;
  62     }
  63   }
  64
  65   if (speed >= 4) {
  66     if (MIN(cm->width, cm->height) >= 720) {
  67       sf->partition_search_breakout_dist_thr = (1 << 26);
  68     } else {
  69       sf->partition_search_breakout_dist_thr = (1 << 24);
  70     }
  71     sf->disable_split_mask = DISABLE_ALL_SPLIT;
  72   }
  73 }
  74
  75 static void set_good_speed_feature(VP9_COMP *cpi, VP9_COMMON *cm,
  76                                    SPEED_FEATURES *sf, int speed) {
  77   const int boosted = frame_is_boosted(cpi);
  78
  79   sf->adaptive_rd_thresh = 1;
  80   sf->allow_skip_recode = 1;
  81
  82   if (speed >= 1) {
  83     sf->use_square_partition_only = !frame_is_intra_only(cm);
  84     sf->less_rectangular_check  = 1;
  85
  86     sf->use_rd_breakout = 1;
  87     sf->adaptive_motion_search = 1;
  88     sf->mv.auto_mv_step_size = 1;
  89     sf->adaptive_rd_thresh = 2;
  90     sf->mv.subpel_iters_per_step = 1;
  91     sf->mode_skip_start = 10;
  92     sf->adaptive_pred_interp_filter = 1;
  93
  94     sf->recode_loop = ALLOW_RECODE_KFARFGF;
  95     sf->intra_y_mode_mask[TX_32X32] = INTRA_DC_H_V;
  96     sf->intra_uv_mode_mask[TX_32X32] = INTRA_DC_H_V;
  97     sf->intra_y_mode_mask[TX_16X16] = INTRA_DC_H_V;
  98     sf->intra_uv_mode_mask[TX_16X16] = INTRA_DC_H_V;
  99
 100     sf->tx_size_search_breakout = 1;
 101     sf->partition_search_breakout_rate_thr = 80;
 102   }
 103
 104   if (speed >= 2) {
 105     sf->tx_size_search_method = frame_is_boosted(cpi) ? USE_FULL_RD
 106                                                       : USE_LARGESTALL;
 107
 108     // Reference masking is not supported in dynamic scaling mode.
 109     sf->reference_masking = cpi->oxcf.resize_mode != RESIZE_DYNAMIC ? 1 : 0;
 110
 111     sf->mode_search_skip_flags = (cm->frame_type == KEY_FRAME) ? 0 :
 112                                  FLAG_SKIP_INTRA_DIRMISMATCH |
 113                                  FLAG_SKIP_INTRA_BESTINTER |
 114                                  FLAG_SKIP_COMP_BESTINTRA |
 115                                  FLAG_SKIP_INTRA_LOWVAR;
 116     sf->disable_filter_search_var_thresh = 100;
 117     sf->comp_inter_joint_search_thresh = BLOCK_SIZES;
 118     sf->auto_min_max_partition_size = RELAXED_NEIGHBORING_MIN_MAX;
 119
 120     sf->allow_partition_search_skip = 1;
 121   }
 122
 123   if (speed >= 3) {
 124     sf->tx_size_search_method = frame_is_intra_only(cm) ? USE_FULL_RD
 125                                                         : USE_LARGESTALL;
 126     sf->mv.subpel_search_method = SUBPEL_TREE_PRUNED;
 127     sf->adaptive_pred_interp_filter = 0;
 128     sf->adaptive_mode_search = 1;
 129     sf->cb_partition_search = !boosted;
 130     sf->cb_pred_filter_search = 1;
 131     sf->alt_ref_search_fp = 1;
 132     sf->recode_loop = ALLOW_RECODE_KFMAXBW;
 133     sf->adaptive_rd_thresh = 3;
 134     sf->mode_skip_start = 6;
 135     sf->intra_y_mode_mask[TX_32X32] = INTRA_DC;
 136     sf->intra_uv_mode_mask[TX_32X32] = INTRA_DC;
 137     sf->adaptive_interp_filter_search = 1;
 138   }
 139
 140   if (speed >= 4) {
 141     sf->use_square_partition_only = 1;
 142     sf->tx_size_search_method = USE_LARGESTALL;
 143     sf->mv.search_method = BIGDIA;
 144     sf->mv.subpel_search_method = SUBPEL_TREE_PRUNED_MORE;
 145     sf->adaptive_rd_thresh = 4;
 146     if (cm->frame_type != KEY_FRAME)
 147       sf->mode_search_skip_flags |= FLAG_EARLY_TERMINATE;
 148     sf->disable_filter_search_var_thresh = 200;
 149     sf->use_lp32x32fdct = 1;
 150     sf->use_fast_coef_updates = ONE_LOOP_REDUCED;
 151     sf->use_fast_coef_costing = 1;
 152     sf->motion_field_mode_search = !boosted;
 153     sf->partition_search_breakout_rate_thr = 300;
 154   }
 155
 156   if (speed >= 5) {
 157     int i;
 158     sf->optimize_coefficients = 0;
 159     sf->mv.search_method = HEX;
 160     sf->disable_filter_search_var_thresh = 500;
 161     for (i = 0; i < TX_SIZES; ++i) {
 162       sf->intra_y_mode_mask[i] = INTRA_DC;
 163       sf->intra_uv_mode_mask[i] = INTRA_DC;
 164     }
 165     sf->partition_search_breakout_rate_thr = 500;
 166     sf->mv.reduce_first_step_size = 1;
 167   }
 168 }
 169
 170 static void set_rt_speed_feature_framesize_dependent(VP9_COMP *cpi,
 171     SPEED_FEATURES *sf, int speed) {
 172   VP9_COMMON *const cm = &cpi->common;
 173
 174   if (speed >= 1) {
 175     if (MIN(cm->width, cm->height) >= 720) {
 176       sf->disable_split_mask = cm->show_frame ? DISABLE_ALL_SPLIT
 177                                               : DISABLE_ALL_INTER_SPLIT;
 178     } else {
 179       sf->disable_split_mask = DISABLE_COMPOUND_SPLIT;
 180     }
 181   }
 182
 183   if (speed >= 2) {
 184     if (MIN(cm->width, cm->height) >= 720) {
 185       sf->disable_split_mask = cm->show_frame ? DISABLE_ALL_SPLIT
 186                                               : DISABLE_ALL_INTER_SPLIT;
 187     } else {
 188       sf->disable_split_mask = LAST_AND_INTRA_SPLIT_ONLY;
 189     }
 190   }
 191
 192   if (speed >= 5) {
 193     if (MIN(cm->width, cm->height) >= 720) {
 194       sf->partition_search_breakout_dist_thr = (1 << 25);
 195     } else {
 196       sf->partition_search_breakout_dist_thr = (1 << 23);
 197     }
 198   }
 199
 200   if (speed >= 7) {
 201     sf->encode_breakout_thresh = (MIN(cm->width, cm->height) >= 720) ?
 202         800 : 300;
 203   }
 204 }
 205
 206 static void set_rt_speed_feature(VP9_COMP *cpi, SPEED_FEATURES *sf,
 207                                  int speed, vp9e_tune_content content) {
 208   VP9_COMMON *const cm = &cpi->common;
 209   const int is_keyframe = cm->frame_type == KEY_FRAME;
 210   const int frames_since_key = is_keyframe ? 0 : cpi->rc.frames_since_key;
 211   sf->static_segmentation = 0;
 212   sf->adaptive_rd_thresh = 1;
 213   sf->use_fast_coef_costing = 1;
 214
 215   if (speed >= 1) {
 216     sf->use_square_partition_only = !frame_is_intra_only(cm);
 217     sf->less_rectangular_check = 1;
 218     sf->tx_size_search_method = frame_is_intra_only(cm) ? USE_FULL_RD
 219                                                         : USE_LARGESTALL;
 220
 221     sf->use_rd_breakout = 1;
 222
 223     sf->adaptive_motion_search = 1;
 224     sf->adaptive_pred_interp_filter = 1;
 225     sf->mv.auto_mv_step_size = 1;
 226     sf->adaptive_rd_thresh = 2;
 227     sf->intra_y_mode_mask[TX_32X32] = INTRA_DC_H_V;
 228     sf->intra_uv_mode_mask[TX_32X32] = INTRA_DC_H_V;
 229     sf->intra_uv_mode_mask[TX_16X16] = INTRA_DC_H_V;
 230   }
 231
 232   if (speed >= 2) {
 233     sf->mode_search_skip_flags = (cm->frame_type == KEY_FRAME) ? 0 :
 234                                  FLAG_SKIP_INTRA_DIRMISMATCH |
 235                                  FLAG_SKIP_INTRA_BESTINTER |
 236                                  FLAG_SKIP_COMP_BESTINTRA |
 237                                  FLAG_SKIP_INTRA_LOWVAR;
 238     sf->adaptive_pred_interp_filter = 2;
 239
 240     // Reference masking is not supported in dynamic scaling mode.
 241     sf->reference_masking = cpi->oxcf.resize_mode != RESIZE_DYNAMIC ? 1 : 0;
 242
 243     sf->disable_filter_search_var_thresh = 50;
 244     sf->comp_inter_joint_search_thresh = BLOCK_SIZES;
 245     sf->auto_min_max_partition_size = RELAXED_NEIGHBORING_MIN_MAX;
 246     sf->lf_motion_threshold = LOW_MOTION_THRESHOLD;
 247     sf->adjust_partitioning_from_last_frame = 1;
 248     sf->last_partitioning_redo_frequency = 3;
 249     sf->use_lp32x32fdct = 1;
 250     sf->mode_skip_start = 11;
 251     sf->intra_y_mode_mask[TX_16X16] = INTRA_DC_H_V;
 252   }
 253
 254   if (speed >= 3) {
 255     sf->use_square_partition_only = 1;
 256     sf->disable_filter_search_var_thresh = 100;
 257     sf->use_uv_intra_rd_estimate = 1;
 258     sf->skip_encode_sb = 1;
 259     sf->mv.subpel_iters_per_step = 1;
 260     sf->adaptive_rd_thresh = 4;
 261     sf->mode_skip_start = 6;
 262     sf->allow_skip_recode = 0;
 263     sf->optimize_coefficients = 0;
 264     sf->disable_split_mask = DISABLE_ALL_SPLIT;
 265     sf->lpf_pick = LPF_PICK_FROM_Q;
 266   }
 267
 268   if (speed >= 4) {
 269     int i;
 270     sf->last_partitioning_redo_frequency = 4;
 271     sf->adaptive_rd_thresh = 5;
 272     sf->use_fast_coef_costing = 0;
 273     sf->auto_min_max_partition_size = STRICT_NEIGHBORING_MIN_MAX;
 274     sf->adjust_partitioning_from_last_frame =
 275         cm->last_frame_type != cm->frame_type || (0 ==
 276         (frames_since_key + 1) % sf->last_partitioning_redo_frequency);
 277     sf->mv.subpel_force_stop = 1;
 278     for (i = 0; i < TX_SIZES; i++) {
 279       sf->intra_y_mode_mask[i] = INTRA_DC_H_V;
 280       sf->intra_uv_mode_mask[i] = INTRA_DC;
 281     }
 282     sf->intra_y_mode_mask[TX_32X32] = INTRA_DC;
 283     sf->frame_parameter_update = 0;
 284     sf->mv.search_method = FAST_HEX;
 285
 286     sf->inter_mode_mask[BLOCK_32X32] = INTER_NEAREST_NEAR_NEW;
 287     sf->inter_mode_mask[BLOCK_32X64] = INTER_NEAREST;
 288     sf->inter_mode_mask[BLOCK_64X32] = INTER_NEAREST;
 289     sf->inter_mode_mask[BLOCK_64X64] = INTER_NEAREST;
 290     sf->max_intra_bsize = BLOCK_32X32;
 291     sf->allow_skip_recode = 1;
 292   }
 293
 294   if (speed >= 5) {
 295     sf->use_quant_fp = !is_keyframe;
 296     sf->auto_min_max_partition_size = is_keyframe ? RELAXED_NEIGHBORING_MIN_MAX
 297                                                   : STRICT_NEIGHBORING_MIN_MAX;
 298     sf->default_max_partition_size = BLOCK_32X32;
 299     sf->default_min_partition_size = BLOCK_8X8;
 300     sf->force_frame_boost = is_keyframe ||
 301         (frames_since_key % (sf->last_partitioning_redo_frequency << 1) == 1);
 302     sf->max_delta_qindex = is_keyframe ? 20 : 15;
 303     sf->partition_search_type = REFERENCE_PARTITION;
 304     sf->use_nonrd_pick_mode = 1;
 305     sf->allow_skip_recode = 0;
 306     sf->inter_mode_mask[BLOCK_32X32] = INTER_NEAREST_NEW_ZERO;
 307     sf->inter_mode_mask[BLOCK_32X64] = INTER_NEAREST_NEW_ZERO;
 308     sf->inter_mode_mask[BLOCK_64X32] = INTER_NEAREST_NEW_ZERO;
 309     sf->inter_mode_mask[BLOCK_64X64] = INTER_NEAREST_NEW_ZERO;
 310     sf->adaptive_rd_thresh = 2;
 311     // This feature is only enabled when partition search is disabled.
 312     sf->reuse_inter_pred_sby = 1;
 313     sf->partition_search_breakout_rate_thr = 200;
 314     sf->coeff_prob_appx_step = 4;
 315     sf->use_fast_coef_updates = is_keyframe ? TWO_LOOP : ONE_LOOP_REDUCED;
 316     sf->mode_search_skip_flags = FLAG_SKIP_INTRA_DIRMISMATCH;
 317
 318     if (!is_keyframe) {
 319       int i;
 320       if (content == VP9E_CONTENT_SCREEN) {
 321         for (i = 0; i < BLOCK_SIZES; ++i)
 322           sf->intra_y_mode_bsize_mask[i] = INTRA_DC_TM_H_V;
 323       } else {
 324         for (i = 0; i < BLOCK_SIZES; ++i)
 325           if (i >= BLOCK_16X16)
 326             sf->intra_y_mode_bsize_mask[i] = INTRA_DC;
 327           else
 328             // Use H and V intra mode for block sizes <= 16X16.
 329             sf->intra_y_mode_bsize_mask[i] = INTRA_DC_H_V;
 330       }
 331     }
 332   }
 333
 334   if (speed >= 6) {
 335     // Adaptively switch between SOURCE_VAR_BASED_PARTITION and FIXED_PARTITION.
 336     sf->partition_search_type = VAR_BASED_PARTITION;
 337     // Turn on this to use non-RD key frame coding mode.
 338     sf->use_nonrd_pick_mode = 1;
 339     sf->mv.search_method = NSTEP;
 340     sf->tx_size_search_method = is_keyframe ? USE_LARGESTALL : USE_TX_8X8;
 341     sf->mv.reduce_first_step_size = 1;
 342     sf->skip_encode_sb = 0;
 343   }
 344
 345   if (speed >= 7) {
 346     sf->adaptive_rd_thresh = 3;
 347     sf->mv.search_method = FAST_DIAMOND;
 348     sf->mv.fullpel_search_step_param = 10;
 349   }
 350   if (speed >= 8) {
 351     sf->adaptive_rd_thresh = 4;
 352     sf->mv.subpel_force_stop = 2;
 353     sf->lpf_pick = LPF_PICK_MINIMAL_LPF;
 354   }
 355 }
 356
 357 void vp9_set_speed_features_framesize_dependent(VP9_COMP *cpi) {
 358   SPEED_FEATURES *const sf = &cpi->sf;
 359   VP9_COMMON *const cm = &cpi->common;
 360   const VP9EncoderConfig *const oxcf = &cpi->oxcf;
 361   RD_OPT *const rd = &cpi->rd;
 362   int i;
 363
 364   if (oxcf->mode == REALTIME) {
 365     set_rt_speed_feature_framesize_dependent(cpi, sf, oxcf->speed);
 366   } else if (oxcf->mode == GOOD) {
 367     set_good_speed_feature_framesize_dependent(cm, sf, oxcf->speed);
 368   }
 369
 370   if (sf->disable_split_mask == DISABLE_ALL_SPLIT) {
 371     sf->adaptive_pred_interp_filter = 0;
 372   }
 373
 374   if (cpi->encode_breakout && oxcf->mode == REALTIME &&
 375       sf->encode_breakout_thresh > cpi->encode_breakout) {
 376     cpi->encode_breakout = sf->encode_breakout_thresh;
 377   }
 378
 379   // Check for masked out split cases.
 380   for (i = 0; i < MAX_REFS; ++i) {
 381     if (sf->disable_split_mask & (1 << i)) {
 382       rd->thresh_mult_sub8x8[i] = INT_MAX;
 383     }
 384   }
 385 }
 386
 387 void vp9_set_speed_features_framesize_independent(VP9_COMP *cpi) {
 388   SPEED_FEATURES *const sf = &cpi->sf;
 389   VP9_COMMON *const cm = &cpi->common;
 390   MACROBLOCK *const x = &cpi->td.mb;
 391   const VP9EncoderConfig *const oxcf = &cpi->oxcf;
 392   int i;
 393
 394   // best quality defaults
 395   sf->frame_parameter_update = 1;
 396   sf->mv.search_method = NSTEP;
 397   sf->recode_loop = ALLOW_RECODE;
 398   sf->mv.subpel_search_method = SUBPEL_TREE;
 399   sf->mv.subpel_iters_per_step = 2;
 400   sf->mv.subpel_force_stop = 0;
 401   sf->optimize_coefficients = !is_lossless_requested(&cpi->oxcf);
 402   sf->mv.reduce_first_step_size = 0;
 403   sf->coeff_prob_appx_step = 1;
 404   sf->mv.auto_mv_step_size = 0;
 405   sf->mv.fullpel_search_step_param = 6;
 406   sf->comp_inter_joint_search_thresh = BLOCK_4X4;
 407   sf->adaptive_rd_thresh = 0;
 408   sf->tx_size_search_method = USE_FULL_RD;
 409   sf->use_lp32x32fdct = 0;
 410   sf->adaptive_motion_search = 0;
 411   sf->adaptive_pred_interp_filter = 0;
 412   sf->adaptive_mode_search = 0;
 413   sf->cb_pred_filter_search = 0;
 414   sf->cb_partition_search = 0;
 415   sf->motion_field_mode_search = 0;
 416   sf->alt_ref_search_fp = 0;
 417   sf->use_quant_fp = 0;
 418   sf->reference_masking = 0;
 419   sf->partition_search_type = SEARCH_PARTITION;
 420   sf->less_rectangular_check = 0;
 421   sf->use_square_partition_only = 0;
 422   sf->auto_min_max_partition_size = NOT_IN_USE;
 423   sf->default_max_partition_size = BLOCK_64X64;
 424   sf->default_min_partition_size = BLOCK_4X4;
 425   sf->adjust_partitioning_from_last_frame = 0;
 426   sf->last_partitioning_redo_frequency = 4;
 427   sf->disable_split_mask = 0;
 428   sf->mode_search_skip_flags = 0;
 429   sf->force_frame_boost = 0;
 430   sf->max_delta_qindex = 0;
 431   sf->disable_filter_search_var_thresh = 0;
 432   sf->adaptive_interp_filter_search = 0;
 433   sf->allow_partition_search_skip = 0;
 434
 435   for (i = 0; i < TX_SIZES; i++) {
 436     sf->intra_y_mode_mask[i] = INTRA_ALL;
 437     sf->intra_uv_mode_mask[i] = INTRA_ALL;
 438   }
 439   sf->use_rd_breakout = 0;
 440   sf->skip_encode_sb = 0;
 441   sf->use_uv_intra_rd_estimate = 0;
 442   sf->allow_skip_recode = 0;
 443   sf->lpf_pick = LPF_PICK_FROM_FULL_IMAGE;
 444   sf->use_fast_coef_updates = TWO_LOOP;
 445   sf->use_fast_coef_costing = 0;
 446   sf->mode_skip_start = MAX_MODES;  // Mode index at which mode skip mask set
 447   sf->schedule_mode_search = 0;
 448   sf->use_nonrd_pick_mode = 0;
 449   for (i = 0; i < BLOCK_SIZES; ++i)
 450     sf->inter_mode_mask[i] = INTER_ALL;
 451   sf->max_intra_bsize = BLOCK_64X64;
 452   sf->reuse_inter_pred_sby = 0;
 453   // This setting only takes effect when partition_search_type is set
 454   // to FIXED_PARTITION.
 455   sf->always_this_block_size = BLOCK_16X16;
 456   sf->search_type_check_frequency = 50;
 457   sf->encode_breakout_thresh = 0;
 458   // Recode loop tolerance %.
 459   sf->recode_tolerance = 25;
 460   sf->default_interp_filter = SWITCHABLE;
 461   sf->tx_size_search_breakout = 0;
 462   sf->partition_search_breakout_dist_thr = 0;
 463   sf->partition_search_breakout_rate_thr = 0;
 464
 465   if (oxcf->mode == REALTIME)
 466     set_rt_speed_feature(cpi, sf, oxcf->speed, oxcf->content);
 467   else if (oxcf->mode == GOOD)
 468     set_good_speed_feature(cpi, cm, sf, oxcf->speed);
 469
 470   cpi->full_search_sad = vp9_full_search_sad;
 471   cpi->diamond_search_sad = oxcf->mode == BEST ? vp9_full_range_search
 472                                                : vp9_diamond_search_sad;
 473
 474   // Slow quant, dct and trellis not worthwhile for first pass
 475   // so make sure they are always turned off.
 476   if (oxcf->pass == 1)
 477     sf->optimize_coefficients = 0;
 478
 479   // No recode for 1 pass.
 480   if (oxcf->pass == 0) {
 481     sf->recode_loop = DISALLOW_RECODE;
 482     sf->optimize_coefficients = 0;
 483   }
 484
 485   if (sf->mv.subpel_search_method == SUBPEL_TREE) {
 486     cpi->find_fractional_mv_step = vp9_find_best_sub_pixel_tree;
 487   } else if (sf->mv.subpel_search_method == SUBPEL_TREE_PRUNED) {
 488     cpi->find_fractional_mv_step = vp9_find_best_sub_pixel_tree_pruned;
 489   } else if (sf->mv.subpel_search_method == SUBPEL_TREE_PRUNED_MORE) {
 490     cpi->find_fractional_mv_step = vp9_find_best_sub_pixel_tree_pruned_more;
 491   } else if (sf->mv.subpel_search_method == SUBPEL_TREE_PRUNED_EVENMORE) {
 492     cpi->find_fractional_mv_step = vp9_find_best_sub_pixel_tree_pruned_evenmore;
 493   }
 494
 495   x->optimize = sf->optimize_coefficients == 1 && oxcf->pass != 1;
 496
 497   x->min_partition_size = sf->default_min_partition_size;
 498   x->max_partition_size = sf->default_max_partition_size;
 499
 500   if (!cpi->oxcf.frame_periodic_boost) {
 501     sf->max_delta_qindex = 0;
 502   }
 503 }