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 #include "vp9/encoder/vp9_rdopt.h" 16 #include "vpx_dsp/vpx_dsp_common.h" 17 18 // Mesh search patters for various speed settings 19 static MESH_PATTERN best_quality_mesh_pattern[MAX_MESH_STEP] = { 20 { 64, 4 }, { 28, 2 }, { 15, 1 }, { 7, 1 } 21 }; 22 23 // Define 3 mesh density levels to control the number of searches. 24 #define MESH_DENSITY_LEVELS 3 25 static MESH_PATTERN 26 good_quality_mesh_patterns[MESH_DENSITY_LEVELS][MAX_MESH_STEP] = { 27 { { 64, 8 }, { 28, 4 }, { 15, 1 }, { 7, 1 } }, 28 { { 64, 8 }, { 14, 2 }, { 7, 1 }, { 7, 1 } }, 29 { { 64, 16 }, { 24, 8 }, { 12, 4 }, { 7, 1 } }, 30 }; 31 32 // Intra only frames, golden frames (except alt ref overlays) and 33 // alt ref frames tend to be coded at a higher than ambient quality 34 static int frame_is_boosted(const VP9_COMP *cpi) { 35 return frame_is_kf_gf_arf(cpi) || vp9_is_upper_layer_key_frame(cpi); 36 } 37 38 // Sets a partition size down to which the auto partition code will always 39 // search (can go lower), based on the image dimensions. The logic here 40 // is that the extent to which ringing artefacts are offensive, depends 41 // partly on the screen area that over which they propogate. Propogation is 42 // limited by transform block size but the screen area take up by a given block 43 // size will be larger for a small image format stretched to full screen. 44 static BLOCK_SIZE set_partition_min_limit(VP9_COMMON *const cm) { 45 unsigned int screen_area = (cm->width * cm->height); 46 47 // Select block size based on image format size. 48 if (screen_area < 1280 * 720) { 49 // Formats smaller in area than 720P 50 return BLOCK_4X4; 51 } else if (screen_area < 1920 * 1080) { 52 // Format >= 720P and < 1080P 53 return BLOCK_8X8; 54 } else { 55 // Formats 1080P and up 56 return BLOCK_16X16; 57 } 58 } 59 60 static void set_good_speed_feature_framesize_dependent(VP9_COMP *cpi, 61 SPEED_FEATURES *sf, 62 int speed) { 63 VP9_COMMON *const cm = &cpi->common; 64 65 // speed 0 features 66 sf->partition_search_breakout_thr.dist = (1 << 20); 67 sf->partition_search_breakout_thr.rate = 80; 68 69 // Currently, the machine-learning based partition search early termination 70 // is only used while VPXMIN(cm->width, cm->height) >= 480 and speed = 0. 71 if (VPXMIN(cm->width, cm->height) >= 480) { 72 sf->ml_partition_search_early_termination = 1; 73 } 74 75 if (speed >= 1) { 76 sf->ml_partition_search_early_termination = 0; 77 78 if (VPXMIN(cm->width, cm->height) >= 720) { 79 sf->disable_split_mask = 80 cm->show_frame ? DISABLE_ALL_SPLIT : DISABLE_ALL_INTER_SPLIT; 81 sf->partition_search_breakout_thr.dist = (1 << 23); 82 } else { 83 sf->disable_split_mask = DISABLE_COMPOUND_SPLIT; 84 sf->partition_search_breakout_thr.dist = (1 << 21); 85 } 86 } 87 88 if (speed >= 2) { 89 if (VPXMIN(cm->width, cm->height) >= 720) { 90 sf->disable_split_mask = 91 cm->show_frame ? DISABLE_ALL_SPLIT : DISABLE_ALL_INTER_SPLIT; 92 sf->adaptive_pred_interp_filter = 0; 93 sf->partition_search_breakout_thr.dist = (1 << 24); 94 sf->partition_search_breakout_thr.rate = 120; 95 } else { 96 sf->disable_split_mask = LAST_AND_INTRA_SPLIT_ONLY; 97 sf->partition_search_breakout_thr.dist = (1 << 22); 98 sf->partition_search_breakout_thr.rate = 100; 99 } 100 sf->rd_auto_partition_min_limit = set_partition_min_limit(cm); 101 102 // Use a set of speed features for 4k videos. 103 if (VPXMIN(cm->width, cm->height) >= 2160) { 104 sf->use_square_partition_only = 1; 105 sf->intra_y_mode_mask[TX_32X32] = INTRA_DC; 106 sf->intra_uv_mode_mask[TX_32X32] = INTRA_DC; 107 sf->alt_ref_search_fp = 1; 108 sf->cb_pred_filter_search = 1; 109 sf->adaptive_interp_filter_search = 1; 110 sf->disable_split_mask = DISABLE_ALL_SPLIT; 111 } 112 } 113 114 if (speed >= 3) { 115 if (VPXMIN(cm->width, cm->height) >= 720) { 116 sf->disable_split_mask = DISABLE_ALL_SPLIT; 117 sf->schedule_mode_search = cm->base_qindex < 220 ? 1 : 0; 118 sf->partition_search_breakout_thr.dist = (1 << 25); 119 sf->partition_search_breakout_thr.rate = 200; 120 } else { 121 sf->max_intra_bsize = BLOCK_32X32; 122 sf->disable_split_mask = DISABLE_ALL_INTER_SPLIT; 123 sf->schedule_mode_search = cm->base_qindex < 175 ? 1 : 0; 124 sf->partition_search_breakout_thr.dist = (1 << 23); 125 sf->partition_search_breakout_thr.rate = 120; 126 } 127 } 128 129 // If this is a two pass clip that fits the criteria for animated or 130 // graphics content then reset disable_split_mask for speeds 1-4. 131 // Also if the image edge is internal to the coded area. 132 if ((speed >= 1) && (cpi->oxcf.pass == 2) && 133 ((cpi->twopass.fr_content_type == FC_GRAPHICS_ANIMATION) || 134 (vp9_internal_image_edge(cpi)))) { 135 sf->disable_split_mask = DISABLE_COMPOUND_SPLIT; 136 } 137 138 if (speed >= 4) { 139 sf->partition_search_breakout_thr.rate = 300; 140 if (VPXMIN(cm->width, cm->height) >= 720) { 141 sf->partition_search_breakout_thr.dist = (1 << 26); 142 } else { 143 sf->partition_search_breakout_thr.dist = (1 << 24); 144 } 145 sf->disable_split_mask = DISABLE_ALL_SPLIT; 146 } 147 148 if (speed >= 5) { 149 sf->partition_search_breakout_thr.rate = 500; 150 } 151 } 152 153 static double tx_dom_thresholds[6] = { 99.0, 14.0, 12.0, 8.0, 4.0, 0.0 }; 154 static double qopt_thresholds[6] = { 99.0, 12.0, 10.0, 4.0, 2.0, 0.0 }; 155 156 static void set_good_speed_feature_framesize_independent(VP9_COMP *cpi, 157 VP9_COMMON *cm, 158 SPEED_FEATURES *sf, 159 int speed) { 160 const VP9EncoderConfig *const oxcf = &cpi->oxcf; 161 const int boosted = frame_is_boosted(cpi); 162 int i; 163 164 sf->tx_size_search_breakout = 1; 165 sf->adaptive_rd_thresh = 1; 166 sf->adaptive_rd_thresh_row_mt = 0; 167 sf->allow_skip_recode = 1; 168 sf->less_rectangular_check = 1; 169 sf->use_square_partition_only = !frame_is_boosted(cpi); 170 sf->use_square_only_threshold = BLOCK_16X16; 171 172 if (cpi->twopass.fr_content_type == FC_GRAPHICS_ANIMATION) { 173 sf->exhaustive_searches_thresh = (1 << 22); 174 for (i = 0; i < MAX_MESH_STEP; ++i) { 175 int mesh_density_level = 0; 176 sf->mesh_patterns[i].range = 177 good_quality_mesh_patterns[mesh_density_level][i].range; 178 sf->mesh_patterns[i].interval = 179 good_quality_mesh_patterns[mesh_density_level][i].interval; 180 } 181 } else { 182 sf->exhaustive_searches_thresh = INT_MAX; 183 } 184 185 if (speed >= 1) { 186 if (oxcf->pass == 2) { 187 TWO_PASS *const twopass = &cpi->twopass; 188 if ((twopass->fr_content_type == FC_GRAPHICS_ANIMATION) || 189 vp9_internal_image_edge(cpi)) { 190 sf->use_square_partition_only = !frame_is_boosted(cpi); 191 } else { 192 sf->use_square_partition_only = !frame_is_intra_only(cm); 193 } 194 } else { 195 sf->use_square_partition_only = !frame_is_intra_only(cm); 196 } 197 198 sf->allow_txfm_domain_distortion = 1; 199 sf->tx_domain_thresh = tx_dom_thresholds[(speed < 6) ? speed : 5]; 200 sf->allow_quant_coeff_opt = sf->optimize_coefficients; 201 sf->quant_opt_thresh = qopt_thresholds[(speed < 6) ? speed : 5]; 202 203 sf->use_square_only_threshold = BLOCK_4X4; 204 sf->less_rectangular_check = 1; 205 206 sf->use_rd_breakout = 1; 207 sf->adaptive_motion_search = 1; 208 sf->mv.auto_mv_step_size = 1; 209 sf->adaptive_rd_thresh = 2; 210 sf->mv.subpel_iters_per_step = 1; 211 sf->mode_skip_start = 10; 212 sf->adaptive_pred_interp_filter = 1; 213 sf->allow_acl = 0; 214 215 sf->intra_y_mode_mask[TX_32X32] = INTRA_DC_H_V; 216 sf->intra_uv_mode_mask[TX_32X32] = INTRA_DC_H_V; 217 sf->intra_y_mode_mask[TX_16X16] = INTRA_DC_H_V; 218 sf->intra_uv_mode_mask[TX_16X16] = INTRA_DC_H_V; 219 220 sf->recode_tolerance_low = 15; 221 sf->recode_tolerance_high = 30; 222 223 sf->exhaustive_searches_thresh = 224 (cpi->twopass.fr_content_type == FC_GRAPHICS_ANIMATION) ? (1 << 23) 225 : INT_MAX; 226 } 227 228 if (speed >= 2) { 229 if (oxcf->vbr_corpus_complexity) 230 sf->recode_loop = ALLOW_RECODE_FIRST; 231 else 232 sf->recode_loop = ALLOW_RECODE_KFARFGF; 233 234 sf->tx_size_search_method = 235 frame_is_boosted(cpi) ? USE_FULL_RD : USE_LARGESTALL; 236 237 // Reference masking is not supported in dynamic scaling mode. 238 sf->reference_masking = oxcf->resize_mode != RESIZE_DYNAMIC ? 1 : 0; 239 240 sf->mode_search_skip_flags = 241 (cm->frame_type == KEY_FRAME) 242 ? 0 243 : FLAG_SKIP_INTRA_DIRMISMATCH | FLAG_SKIP_INTRA_BESTINTER | 244 FLAG_SKIP_COMP_BESTINTRA | FLAG_SKIP_INTRA_LOWVAR; 245 sf->disable_filter_search_var_thresh = 100; 246 sf->comp_inter_joint_search_thresh = BLOCK_SIZES; 247 sf->auto_min_max_partition_size = RELAXED_NEIGHBORING_MIN_MAX; 248 sf->recode_tolerance_low = 15; 249 sf->recode_tolerance_high = 45; 250 251 if (cpi->twopass.fr_content_type == FC_GRAPHICS_ANIMATION) { 252 for (i = 0; i < MAX_MESH_STEP; ++i) { 253 int mesh_density_level = 1; 254 sf->mesh_patterns[i].range = 255 good_quality_mesh_patterns[mesh_density_level][i].range; 256 sf->mesh_patterns[i].interval = 257 good_quality_mesh_patterns[mesh_density_level][i].interval; 258 } 259 } 260 } 261 262 if (speed >= 3) { 263 sf->use_square_partition_only = !frame_is_intra_only(cm); 264 sf->tx_size_search_method = 265 frame_is_intra_only(cm) ? USE_FULL_RD : USE_LARGESTALL; 266 sf->mv.subpel_search_method = SUBPEL_TREE_PRUNED; 267 sf->adaptive_pred_interp_filter = 0; 268 sf->adaptive_mode_search = 1; 269 sf->cb_partition_search = !boosted; 270 sf->cb_pred_filter_search = 1; 271 sf->alt_ref_search_fp = 1; 272 sf->recode_loop = ALLOW_RECODE_KFMAXBW; 273 sf->adaptive_rd_thresh = 3; 274 sf->mode_skip_start = 6; 275 sf->intra_y_mode_mask[TX_32X32] = INTRA_DC; 276 sf->intra_uv_mode_mask[TX_32X32] = INTRA_DC; 277 sf->adaptive_interp_filter_search = 1; 278 sf->allow_partition_search_skip = 1; 279 280 if (cpi->twopass.fr_content_type == FC_GRAPHICS_ANIMATION) { 281 for (i = 0; i < MAX_MESH_STEP; ++i) { 282 int mesh_density_level = 2; 283 sf->mesh_patterns[i].range = 284 good_quality_mesh_patterns[mesh_density_level][i].range; 285 sf->mesh_patterns[i].interval = 286 good_quality_mesh_patterns[mesh_density_level][i].interval; 287 } 288 } 289 } 290 291 if (speed >= 4) { 292 sf->use_square_partition_only = 1; 293 sf->tx_size_search_method = USE_LARGESTALL; 294 sf->mv.search_method = BIGDIA; 295 sf->mv.subpel_search_method = SUBPEL_TREE_PRUNED_MORE; 296 sf->adaptive_rd_thresh = 4; 297 if (cm->frame_type != KEY_FRAME) 298 sf->mode_search_skip_flags |= FLAG_EARLY_TERMINATE; 299 sf->disable_filter_search_var_thresh = 200; 300 sf->use_lp32x32fdct = 1; 301 sf->use_fast_coef_updates = ONE_LOOP_REDUCED; 302 sf->use_fast_coef_costing = 1; 303 sf->motion_field_mode_search = !boosted; 304 } 305 306 if (speed >= 5) { 307 int i; 308 sf->optimize_coefficients = 0; 309 sf->mv.search_method = HEX; 310 sf->disable_filter_search_var_thresh = 500; 311 for (i = 0; i < TX_SIZES; ++i) { 312 sf->intra_y_mode_mask[i] = INTRA_DC; 313 sf->intra_uv_mode_mask[i] = INTRA_DC; 314 } 315 sf->mv.reduce_first_step_size = 1; 316 sf->simple_model_rd_from_var = 1; 317 } 318 } 319 320 static void set_rt_speed_feature_framesize_dependent(VP9_COMP *cpi, 321 SPEED_FEATURES *sf, 322 int speed) { 323 VP9_COMMON *const cm = &cpi->common; 324 325 if (speed >= 1) { 326 if (VPXMIN(cm->width, cm->height) >= 720) { 327 sf->disable_split_mask = 328 cm->show_frame ? DISABLE_ALL_SPLIT : DISABLE_ALL_INTER_SPLIT; 329 } else { 330 sf->disable_split_mask = DISABLE_COMPOUND_SPLIT; 331 } 332 } 333 334 if (speed >= 2) { 335 if (VPXMIN(cm->width, cm->height) >= 720) { 336 sf->disable_split_mask = 337 cm->show_frame ? DISABLE_ALL_SPLIT : DISABLE_ALL_INTER_SPLIT; 338 } else { 339 sf->disable_split_mask = LAST_AND_INTRA_SPLIT_ONLY; 340 } 341 } 342 343 if (speed >= 5) { 344 sf->partition_search_breakout_thr.rate = 200; 345 if (VPXMIN(cm->width, cm->height) >= 720) { 346 sf->partition_search_breakout_thr.dist = (1 << 25); 347 } else { 348 sf->partition_search_breakout_thr.dist = (1 << 23); 349 } 350 } 351 352 if (speed >= 7) { 353 sf->encode_breakout_thresh = 354 (VPXMIN(cm->width, cm->height) >= 720) ? 800 : 300; 355 } 356 } 357 358 static void set_rt_speed_feature_framesize_independent( 359 VP9_COMP *cpi, SPEED_FEATURES *sf, int speed, vp9e_tune_content content) { 360 VP9_COMMON *const cm = &cpi->common; 361 const int is_keyframe = cm->frame_type == KEY_FRAME; 362 const int frames_since_key = is_keyframe ? 0 : cpi->rc.frames_since_key; 363 sf->static_segmentation = 0; 364 sf->adaptive_rd_thresh = 1; 365 sf->adaptive_rd_thresh_row_mt = 0; 366 sf->use_fast_coef_costing = 1; 367 sf->exhaustive_searches_thresh = INT_MAX; 368 sf->allow_acl = 0; 369 sf->copy_partition_flag = 0; 370 sf->use_source_sad = 0; 371 sf->use_simple_block_yrd = 0; 372 sf->adapt_partition_source_sad = 0; 373 sf->use_altref_onepass = 0; 374 sf->use_compound_nonrd_pickmode = 0; 375 sf->nonrd_keyframe = 0; 376 sf->svc_use_lowres_part = 0; 377 378 if (speed >= 1) { 379 sf->allow_txfm_domain_distortion = 1; 380 sf->tx_domain_thresh = 0.0; 381 sf->allow_quant_coeff_opt = 0; 382 sf->quant_opt_thresh = 0.0; 383 sf->use_square_partition_only = !frame_is_intra_only(cm); 384 sf->less_rectangular_check = 1; 385 sf->tx_size_search_method = 386 frame_is_intra_only(cm) ? USE_FULL_RD : USE_LARGESTALL; 387 388 sf->use_rd_breakout = 1; 389 390 sf->adaptive_motion_search = 1; 391 sf->adaptive_pred_interp_filter = 1; 392 sf->mv.auto_mv_step_size = 1; 393 sf->adaptive_rd_thresh = 2; 394 sf->intra_y_mode_mask[TX_32X32] = INTRA_DC_H_V; 395 sf->intra_uv_mode_mask[TX_32X32] = INTRA_DC_H_V; 396 sf->intra_uv_mode_mask[TX_16X16] = INTRA_DC_H_V; 397 } 398 399 if (speed >= 2) { 400 sf->mode_search_skip_flags = 401 (cm->frame_type == KEY_FRAME) 402 ? 0 403 : FLAG_SKIP_INTRA_DIRMISMATCH | FLAG_SKIP_INTRA_BESTINTER | 404 FLAG_SKIP_COMP_BESTINTRA | FLAG_SKIP_INTRA_LOWVAR; 405 sf->adaptive_pred_interp_filter = 2; 406 407 // Reference masking only enabled for 1 spatial layer, and if none of the 408 // references have been scaled. The latter condition needs to be checked 409 // for external or internal dynamic resize. 410 sf->reference_masking = (cpi->svc.number_spatial_layers == 1); 411 if (sf->reference_masking == 1 && 412 (cpi->external_resize == 1 || 413 cpi->oxcf.resize_mode == RESIZE_DYNAMIC)) { 414 MV_REFERENCE_FRAME ref_frame; 415 static const int flag_list[4] = { 0, VP9_LAST_FLAG, VP9_GOLD_FLAG, 416 VP9_ALT_FLAG }; 417 for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) { 418 const YV12_BUFFER_CONFIG *yv12 = get_ref_frame_buffer(cpi, ref_frame); 419 if (yv12 != NULL && (cpi->ref_frame_flags & flag_list[ref_frame])) { 420 const struct scale_factors *const scale_fac = 421 &cm->frame_refs[ref_frame - 1].sf; 422 if (vp9_is_scaled(scale_fac)) sf->reference_masking = 0; 423 } 424 } 425 } 426 427 sf->disable_filter_search_var_thresh = 50; 428 sf->comp_inter_joint_search_thresh = BLOCK_SIZES; 429 sf->auto_min_max_partition_size = RELAXED_NEIGHBORING_MIN_MAX; 430 sf->lf_motion_threshold = LOW_MOTION_THRESHOLD; 431 sf->adjust_partitioning_from_last_frame = 1; 432 sf->last_partitioning_redo_frequency = 3; 433 sf->use_lp32x32fdct = 1; 434 sf->mode_skip_start = 11; 435 sf->intra_y_mode_mask[TX_16X16] = INTRA_DC_H_V; 436 } 437 438 if (speed >= 3) { 439 sf->use_square_partition_only = 1; 440 sf->disable_filter_search_var_thresh = 100; 441 sf->use_uv_intra_rd_estimate = 1; 442 sf->skip_encode_sb = 1; 443 sf->mv.subpel_iters_per_step = 1; 444 sf->adaptive_rd_thresh = 4; 445 sf->mode_skip_start = 6; 446 sf->allow_skip_recode = 0; 447 sf->optimize_coefficients = 0; 448 sf->disable_split_mask = DISABLE_ALL_SPLIT; 449 sf->lpf_pick = LPF_PICK_FROM_Q; 450 } 451 452 if (speed >= 4) { 453 int i; 454 if (cpi->oxcf.rc_mode == VPX_VBR && cpi->oxcf.lag_in_frames > 0) 455 sf->use_altref_onepass = 1; 456 sf->last_partitioning_redo_frequency = 4; 457 sf->adaptive_rd_thresh = 5; 458 sf->use_fast_coef_costing = 0; 459 sf->auto_min_max_partition_size = STRICT_NEIGHBORING_MIN_MAX; 460 sf->adjust_partitioning_from_last_frame = 461 cm->last_frame_type != cm->frame_type || 462 (0 == (frames_since_key + 1) % sf->last_partitioning_redo_frequency); 463 sf->mv.subpel_force_stop = 1; 464 for (i = 0; i < TX_SIZES; i++) { 465 sf->intra_y_mode_mask[i] = INTRA_DC_H_V; 466 sf->intra_uv_mode_mask[i] = INTRA_DC; 467 } 468 sf->intra_y_mode_mask[TX_32X32] = INTRA_DC; 469 sf->frame_parameter_update = 0; 470 sf->mv.search_method = FAST_HEX; 471 472 sf->inter_mode_mask[BLOCK_32X32] = INTER_NEAREST_NEAR_NEW; 473 sf->inter_mode_mask[BLOCK_32X64] = INTER_NEAREST; 474 sf->inter_mode_mask[BLOCK_64X32] = INTER_NEAREST; 475 sf->inter_mode_mask[BLOCK_64X64] = INTER_NEAREST; 476 sf->max_intra_bsize = BLOCK_32X32; 477 sf->allow_skip_recode = 1; 478 } 479 480 if (speed >= 5) { 481 sf->use_altref_onepass = 0; 482 sf->use_quant_fp = !is_keyframe; 483 sf->auto_min_max_partition_size = 484 is_keyframe ? RELAXED_NEIGHBORING_MIN_MAX : STRICT_NEIGHBORING_MIN_MAX; 485 sf->default_max_partition_size = BLOCK_32X32; 486 sf->default_min_partition_size = BLOCK_8X8; 487 sf->force_frame_boost = 488 is_keyframe || 489 (frames_since_key % (sf->last_partitioning_redo_frequency << 1) == 1); 490 sf->max_delta_qindex = is_keyframe ? 20 : 15; 491 sf->partition_search_type = REFERENCE_PARTITION; 492 if (cpi->oxcf.rc_mode == VPX_VBR && cpi->oxcf.lag_in_frames > 0 && 493 cpi->rc.is_src_frame_alt_ref) { 494 sf->partition_search_type = VAR_BASED_PARTITION; 495 } 496 sf->use_nonrd_pick_mode = 1; 497 sf->allow_skip_recode = 0; 498 sf->inter_mode_mask[BLOCK_32X32] = INTER_NEAREST_NEW_ZERO; 499 sf->inter_mode_mask[BLOCK_32X64] = INTER_NEAREST_NEW_ZERO; 500 sf->inter_mode_mask[BLOCK_64X32] = INTER_NEAREST_NEW_ZERO; 501 sf->inter_mode_mask[BLOCK_64X64] = INTER_NEAREST_NEW_ZERO; 502 sf->adaptive_rd_thresh = 2; 503 // This feature is only enabled when partition search is disabled. 504 sf->reuse_inter_pred_sby = 1; 505 sf->coeff_prob_appx_step = 4; 506 sf->use_fast_coef_updates = is_keyframe ? TWO_LOOP : ONE_LOOP_REDUCED; 507 sf->mode_search_skip_flags = FLAG_SKIP_INTRA_DIRMISMATCH; 508 sf->tx_size_search_method = is_keyframe ? USE_LARGESTALL : USE_TX_8X8; 509 sf->simple_model_rd_from_var = 1; 510 if (cpi->oxcf.rc_mode == VPX_VBR) sf->mv.search_method = NSTEP; 511 512 if (!is_keyframe) { 513 int i; 514 if (content == VP9E_CONTENT_SCREEN) { 515 for (i = 0; i < BLOCK_SIZES; ++i) 516 sf->intra_y_mode_bsize_mask[i] = INTRA_DC_TM_H_V; 517 } else { 518 for (i = 0; i < BLOCK_SIZES; ++i) 519 if (i > BLOCK_16X16) 520 sf->intra_y_mode_bsize_mask[i] = INTRA_DC; 521 else 522 // Use H and V intra mode for block sizes <= 16X16. 523 sf->intra_y_mode_bsize_mask[i] = INTRA_DC_H_V; 524 } 525 } 526 if (content == VP9E_CONTENT_SCREEN) { 527 sf->short_circuit_flat_blocks = 1; 528 } 529 if (cpi->oxcf.rc_mode == VPX_CBR && 530 cpi->oxcf.content != VP9E_CONTENT_SCREEN) { 531 sf->limit_newmv_early_exit = 1; 532 if (!cpi->use_svc) sf->bias_golden = 1; 533 } 534 } 535 536 if (speed >= 6) { 537 if (cpi->oxcf.rc_mode == VPX_VBR && cpi->oxcf.lag_in_frames > 0) { 538 sf->use_altref_onepass = 1; 539 sf->use_compound_nonrd_pickmode = 1; 540 } 541 sf->partition_search_type = VAR_BASED_PARTITION; 542 // Turn on this to use non-RD key frame coding mode. 543 sf->use_nonrd_pick_mode = 1; 544 sf->mv.search_method = NSTEP; 545 sf->mv.reduce_first_step_size = 1; 546 sf->skip_encode_sb = 0; 547 548 if (!cpi->external_resize) sf->use_source_sad = 1; 549 550 if (sf->use_source_sad) { 551 sf->adapt_partition_source_sad = 1; 552 sf->adapt_partition_thresh = 553 (cm->width * cm->height <= 640 * 360) ? 40000 : 60000; 554 if (cpi->content_state_sb_fd == NULL && 555 (!cpi->use_svc || 556 cpi->svc.spatial_layer_id == cpi->svc.number_spatial_layers - 1)) { 557 cpi->content_state_sb_fd = (uint8_t *)vpx_calloc( 558 (cm->mi_stride >> 3) * ((cm->mi_rows >> 3) + 1), sizeof(uint8_t)); 559 } 560 } 561 if (cpi->oxcf.rc_mode == VPX_CBR && content != VP9E_CONTENT_SCREEN) { 562 // Enable short circuit for low temporal variance. 563 sf->short_circuit_low_temp_var = 1; 564 } 565 if (cpi->svc.temporal_layer_id > 0) { 566 sf->adaptive_rd_thresh = 4; 567 sf->limit_newmv_early_exit = 0; 568 sf->base_mv_aggressive = 1; 569 } 570 } 571 572 if (speed >= 7) { 573 sf->adapt_partition_source_sad = 0; 574 sf->adaptive_rd_thresh = 3; 575 sf->mv.search_method = FAST_DIAMOND; 576 sf->mv.fullpel_search_step_param = 10; 577 // For SVC: use better mv search on base temporal layer, and only 578 // on base spatial layer if highest resolution is above 640x360. 579 if (cpi->svc.number_temporal_layers > 2 && 580 cpi->svc.temporal_layer_id == 0 && 581 (cpi->svc.spatial_layer_id == 0 || 582 cpi->oxcf.width * cpi->oxcf.height <= 640 * 360)) { 583 sf->mv.search_method = NSTEP; 584 sf->mv.fullpel_search_step_param = 6; 585 } 586 if (cpi->svc.temporal_layer_id > 0 || cpi->svc.spatial_layer_id > 1) { 587 sf->use_simple_block_yrd = 1; 588 if (cpi->svc.non_reference_frame) 589 sf->mv.subpel_search_method = SUBPEL_TREE_PRUNED_EVENMORE; 590 } 591 if (cpi->use_svc && cpi->row_mt && cpi->oxcf.max_threads > 1) 592 sf->adaptive_rd_thresh_row_mt = 1; 593 // Enable partition copy. For SVC only enabled for top spatial resolution 594 // layer. 595 cpi->max_copied_frame = 0; 596 if (!cpi->last_frame_dropped && cpi->resize_state == ORIG && 597 !cpi->external_resize && 598 (!cpi->use_svc || 599 cpi->svc.spatial_layer_id == cpi->svc.number_spatial_layers - 1)) { 600 sf->copy_partition_flag = 1; 601 cpi->max_copied_frame = 2; 602 // The top temporal enhancement layer (for number of temporal layers > 1) 603 // are non-reference frames, so use large/max value for max_copied_frame. 604 if (cpi->svc.number_temporal_layers > 1 && 605 cpi->svc.temporal_layer_id == cpi->svc.number_temporal_layers - 1) 606 cpi->max_copied_frame = 255; 607 } 608 // For SVC: enable use of lower resolution partition for higher resolution, 609 // only for 3 spatial layers and when config/top resolution is above VGA. 610 // Enable only for non-base temporal layer frames. 611 if (cpi->use_svc && cpi->svc.number_spatial_layers == 3 && 612 cpi->svc.temporal_layer_id > 0 && 613 cpi->oxcf.width * cpi->oxcf.height > 640 * 480) 614 sf->svc_use_lowres_part = 1; 615 } 616 617 if (speed >= 8) { 618 sf->adaptive_rd_thresh = 4; 619 sf->skip_encode_sb = 1; 620 sf->nonrd_keyframe = 1; 621 if (!cpi->use_svc) cpi->max_copied_frame = 4; 622 if (cpi->row_mt && cpi->oxcf.max_threads > 1) 623 sf->adaptive_rd_thresh_row_mt = 1; 624 625 if (content == VP9E_CONTENT_SCREEN) sf->mv.subpel_force_stop = 3; 626 if (content == VP9E_CONTENT_SCREEN) sf->lpf_pick = LPF_PICK_MINIMAL_LPF; 627 // Only keep INTRA_DC mode for speed 8. 628 if (!is_keyframe) { 629 int i = 0; 630 for (i = 0; i < BLOCK_SIZES; ++i) 631 sf->intra_y_mode_bsize_mask[i] = INTRA_DC; 632 } 633 if (!cpi->use_svc && cpi->oxcf.rc_mode == VPX_CBR && 634 content != VP9E_CONTENT_SCREEN) { 635 // More aggressive short circuit for speed 8. 636 sf->short_circuit_low_temp_var = 3; 637 // Use level 2 for noisey cases as there is a regression in some 638 // noisy clips with level 3. 639 if (cpi->noise_estimate.enabled && cm->width >= 1280 && 640 cm->height >= 720) { 641 NOISE_LEVEL noise_level = 642 vp9_noise_estimate_extract_level(&cpi->noise_estimate); 643 if (noise_level >= kMedium) sf->short_circuit_low_temp_var = 2; 644 } 645 // Since the short_circuit_low_temp_var is used, reduce the 646 // adaptive_rd_thresh level. 647 if (cm->width * cm->height > 352 * 288) 648 sf->adaptive_rd_thresh = 1; 649 else 650 sf->adaptive_rd_thresh = 2; 651 } 652 sf->limit_newmv_early_exit = 0; 653 sf->use_simple_block_yrd = 1; 654 } 655 if (sf->use_altref_onepass) { 656 if (cpi->rc.is_src_frame_alt_ref && cm->frame_type != KEY_FRAME) { 657 sf->partition_search_type = FIXED_PARTITION; 658 sf->always_this_block_size = BLOCK_64X64; 659 } 660 if (cpi->count_arf_frame_usage == NULL) 661 cpi->count_arf_frame_usage = 662 (uint8_t *)vpx_calloc((cm->mi_stride >> 3) * ((cm->mi_rows >> 3) + 1), 663 sizeof(*cpi->count_arf_frame_usage)); 664 if (cpi->count_lastgolden_frame_usage == NULL) 665 cpi->count_lastgolden_frame_usage = 666 (uint8_t *)vpx_calloc((cm->mi_stride >> 3) * ((cm->mi_rows >> 3) + 1), 667 sizeof(*cpi->count_lastgolden_frame_usage)); 668 } 669 } 670 671 void vp9_set_speed_features_framesize_dependent(VP9_COMP *cpi) { 672 SPEED_FEATURES *const sf = &cpi->sf; 673 const VP9EncoderConfig *const oxcf = &cpi->oxcf; 674 RD_OPT *const rd = &cpi->rd; 675 int i; 676 677 // best quality defaults 678 // Some speed-up features even for best quality as minimal impact on quality. 679 sf->partition_search_breakout_thr.dist = (1 << 19); 680 sf->partition_search_breakout_thr.rate = 80; 681 sf->ml_partition_search_early_termination = 0; 682 683 if (oxcf->mode == REALTIME) { 684 set_rt_speed_feature_framesize_dependent(cpi, sf, oxcf->speed); 685 } else if (oxcf->mode == GOOD) { 686 set_good_speed_feature_framesize_dependent(cpi, sf, oxcf->speed); 687 } 688 689 if (sf->disable_split_mask == DISABLE_ALL_SPLIT) { 690 sf->adaptive_pred_interp_filter = 0; 691 } 692 693 if (cpi->encode_breakout && oxcf->mode == REALTIME && 694 sf->encode_breakout_thresh > cpi->encode_breakout) { 695 cpi->encode_breakout = sf->encode_breakout_thresh; 696 } 697 698 // Check for masked out split cases. 699 for (i = 0; i < MAX_REFS; ++i) { 700 if (sf->disable_split_mask & (1 << i)) { 701 rd->thresh_mult_sub8x8[i] = INT_MAX; 702 } 703 } 704 705 // With row based multi-threading, the following speed features 706 // have to be disabled to guarantee that bitstreams encoded with single thread 707 // and multiple threads match. 708 // It can be used in realtime when adaptive_rd_thresh_row_mt is enabled since 709 // adaptive_rd_thresh is defined per-row for non-rd pickmode. 710 if (!sf->adaptive_rd_thresh_row_mt && cpi->row_mt_bit_exact && 711 oxcf->max_threads > 1) 712 sf->adaptive_rd_thresh = 0; 713 714 // This is only used in motion vector unit test. 715 if (cpi->oxcf.motion_vector_unit_test == 1) 716 cpi->find_fractional_mv_step = vp9_return_max_sub_pixel_mv; 717 else if (cpi->oxcf.motion_vector_unit_test == 2) 718 cpi->find_fractional_mv_step = vp9_return_min_sub_pixel_mv; 719 } 720 721 void vp9_set_speed_features_framesize_independent(VP9_COMP *cpi) { 722 SPEED_FEATURES *const sf = &cpi->sf; 723 VP9_COMMON *const cm = &cpi->common; 724 MACROBLOCK *const x = &cpi->td.mb; 725 const VP9EncoderConfig *const oxcf = &cpi->oxcf; 726 int i; 727 728 // best quality defaults 729 sf->frame_parameter_update = 1; 730 sf->mv.search_method = NSTEP; 731 sf->recode_loop = ALLOW_RECODE_FIRST; 732 sf->mv.subpel_search_method = SUBPEL_TREE; 733 sf->mv.subpel_iters_per_step = 2; 734 sf->mv.subpel_force_stop = 0; 735 sf->optimize_coefficients = !is_lossless_requested(&cpi->oxcf); 736 sf->mv.reduce_first_step_size = 0; 737 sf->coeff_prob_appx_step = 1; 738 sf->mv.auto_mv_step_size = 0; 739 sf->mv.fullpel_search_step_param = 6; 740 sf->comp_inter_joint_search_thresh = BLOCK_4X4; 741 sf->tx_size_search_method = USE_FULL_RD; 742 sf->use_lp32x32fdct = 0; 743 sf->adaptive_motion_search = 0; 744 sf->adaptive_pred_interp_filter = 0; 745 sf->adaptive_mode_search = 0; 746 sf->cb_pred_filter_search = 0; 747 sf->cb_partition_search = 0; 748 sf->motion_field_mode_search = 0; 749 sf->alt_ref_search_fp = 0; 750 sf->use_quant_fp = 0; 751 sf->reference_masking = 0; 752 sf->partition_search_type = SEARCH_PARTITION; 753 sf->less_rectangular_check = 0; 754 sf->use_square_partition_only = 0; 755 sf->use_square_only_threshold = BLOCK_SIZES; 756 sf->auto_min_max_partition_size = NOT_IN_USE; 757 sf->rd_auto_partition_min_limit = BLOCK_4X4; 758 sf->default_max_partition_size = BLOCK_64X64; 759 sf->default_min_partition_size = BLOCK_4X4; 760 sf->adjust_partitioning_from_last_frame = 0; 761 sf->last_partitioning_redo_frequency = 4; 762 sf->disable_split_mask = 0; 763 sf->mode_search_skip_flags = 0; 764 sf->force_frame_boost = 0; 765 sf->max_delta_qindex = 0; 766 sf->disable_filter_search_var_thresh = 0; 767 sf->adaptive_interp_filter_search = 0; 768 sf->allow_partition_search_skip = 0; 769 sf->allow_txfm_domain_distortion = 0; 770 sf->tx_domain_thresh = 99.0; 771 sf->allow_quant_coeff_opt = sf->optimize_coefficients; 772 sf->quant_opt_thresh = 99.0; 773 sf->allow_acl = 1; 774 775 for (i = 0; i < TX_SIZES; i++) { 776 sf->intra_y_mode_mask[i] = INTRA_ALL; 777 sf->intra_uv_mode_mask[i] = INTRA_ALL; 778 } 779 sf->use_rd_breakout = 0; 780 sf->skip_encode_sb = 0; 781 sf->use_uv_intra_rd_estimate = 0; 782 sf->allow_skip_recode = 0; 783 sf->lpf_pick = LPF_PICK_FROM_FULL_IMAGE; 784 sf->use_fast_coef_updates = TWO_LOOP; 785 sf->use_fast_coef_costing = 0; 786 sf->mode_skip_start = MAX_MODES; // Mode index at which mode skip mask set 787 sf->schedule_mode_search = 0; 788 sf->use_nonrd_pick_mode = 0; 789 for (i = 0; i < BLOCK_SIZES; ++i) sf->inter_mode_mask[i] = INTER_ALL; 790 sf->max_intra_bsize = BLOCK_64X64; 791 sf->reuse_inter_pred_sby = 0; 792 // This setting only takes effect when partition_search_type is set 793 // to FIXED_PARTITION. 794 sf->always_this_block_size = BLOCK_16X16; 795 sf->search_type_check_frequency = 50; 796 sf->encode_breakout_thresh = 0; 797 // Recode loop tolerance %. 798 sf->recode_tolerance_low = 12; 799 sf->recode_tolerance_high = 25; 800 sf->default_interp_filter = SWITCHABLE; 801 sf->simple_model_rd_from_var = 0; 802 sf->short_circuit_flat_blocks = 0; 803 sf->short_circuit_low_temp_var = 0; 804 sf->limit_newmv_early_exit = 0; 805 sf->bias_golden = 0; 806 sf->base_mv_aggressive = 0; 807 808 // Some speed-up features even for best quality as minimal impact on quality. 809 sf->adaptive_rd_thresh = 1; 810 sf->tx_size_search_breakout = 1; 811 812 sf->exhaustive_searches_thresh = 813 (cpi->twopass.fr_content_type == FC_GRAPHICS_ANIMATION) ? (1 << 20) 814 : INT_MAX; 815 if (cpi->twopass.fr_content_type == FC_GRAPHICS_ANIMATION) { 816 for (i = 0; i < MAX_MESH_STEP; ++i) { 817 sf->mesh_patterns[i].range = best_quality_mesh_pattern[i].range; 818 sf->mesh_patterns[i].interval = best_quality_mesh_pattern[i].interval; 819 } 820 } 821 822 if (oxcf->mode == REALTIME) 823 set_rt_speed_feature_framesize_independent(cpi, sf, oxcf->speed, 824 oxcf->content); 825 else if (oxcf->mode == GOOD) 826 set_good_speed_feature_framesize_independent(cpi, cm, sf, oxcf->speed); 827 828 cpi->diamond_search_sad = vp9_diamond_search_sad; 829 830 // Slow quant, dct and trellis not worthwhile for first pass 831 // so make sure they are always turned off. 832 if (oxcf->pass == 1) sf->optimize_coefficients = 0; 833 834 // No recode for 1 pass. 835 if (oxcf->pass == 0) { 836 sf->recode_loop = DISALLOW_RECODE; 837 sf->optimize_coefficients = 0; 838 } 839 840 if (sf->mv.subpel_force_stop == 3) { 841 // Whole pel only 842 cpi->find_fractional_mv_step = vp9_skip_sub_pixel_tree; 843 } else if (sf->mv.subpel_search_method == SUBPEL_TREE) { 844 cpi->find_fractional_mv_step = vp9_find_best_sub_pixel_tree; 845 } else if (sf->mv.subpel_search_method == SUBPEL_TREE_PRUNED) { 846 cpi->find_fractional_mv_step = vp9_find_best_sub_pixel_tree_pruned; 847 } else if (sf->mv.subpel_search_method == SUBPEL_TREE_PRUNED_MORE) { 848 cpi->find_fractional_mv_step = vp9_find_best_sub_pixel_tree_pruned_more; 849 } else if (sf->mv.subpel_search_method == SUBPEL_TREE_PRUNED_EVENMORE) { 850 cpi->find_fractional_mv_step = vp9_find_best_sub_pixel_tree_pruned_evenmore; 851 } 852 853 x->optimize = sf->optimize_coefficients == 1 && oxcf->pass != 1; 854 855 x->min_partition_size = sf->default_min_partition_size; 856 x->max_partition_size = sf->default_max_partition_size; 857 858 if (!cpi->oxcf.frame_periodic_boost) { 859 sf->max_delta_qindex = 0; 860 } 861 862 // With row based multi-threading, the following speed features 863 // have to be disabled to guarantee that bitstreams encoded with single thread 864 // and multiple threads match. 865 // It can be used in realtime when adaptive_rd_thresh_row_mt is enabled since 866 // adaptive_rd_thresh is defined per-row for non-rd pickmode. 867 if (!sf->adaptive_rd_thresh_row_mt && cpi->row_mt_bit_exact && 868 oxcf->max_threads > 1) 869 sf->adaptive_rd_thresh = 0; 870 871 // This is only used in motion vector unit test. 872 if (cpi->oxcf.motion_vector_unit_test == 1) 873 cpi->find_fractional_mv_step = vp9_return_max_sub_pixel_mv; 874 else if (cpi->oxcf.motion_vector_unit_test == 2) 875 cpi->find_fractional_mv_step = vp9_return_min_sub_pixel_mv; 876 } 877
