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 int boosted = frame_is_boosted(cpi); 161 int i; 162 163 sf->tx_size_search_breakout = 1; 164 sf->adaptive_rd_thresh = 1; 165 sf->adaptive_rd_thresh_row_mt = 0; 166 sf->allow_skip_recode = 1; 167 sf->less_rectangular_check = 1; 168 sf->use_square_partition_only = !frame_is_boosted(cpi); 169 sf->use_square_only_threshold = BLOCK_16X16; 170 171 if (cpi->twopass.fr_content_type == FC_GRAPHICS_ANIMATION) { 172 sf->exhaustive_searches_thresh = (1 << 22); 173 for (i = 0; i < MAX_MESH_STEP; ++i) { 174 int mesh_density_level = 0; 175 sf->mesh_patterns[i].range = 176 good_quality_mesh_patterns[mesh_density_level][i].range; 177 sf->mesh_patterns[i].interval = 178 good_quality_mesh_patterns[mesh_density_level][i].interval; 179 } 180 } else { 181 sf->exhaustive_searches_thresh = INT_MAX; 182 } 183 184 if (speed >= 1) { 185 if (cpi->oxcf.pass == 2) { 186 TWO_PASS *const twopass = &cpi->twopass; 187 if ((twopass->fr_content_type == FC_GRAPHICS_ANIMATION) || 188 vp9_internal_image_edge(cpi)) { 189 sf->use_square_partition_only = !frame_is_boosted(cpi); 190 } else { 191 sf->use_square_partition_only = !frame_is_intra_only(cm); 192 } 193 } else { 194 sf->use_square_partition_only = !frame_is_intra_only(cm); 195 } 196 197 sf->allow_txfm_domain_distortion = 1; 198 sf->tx_domain_thresh = tx_dom_thresholds[(speed < 6) ? speed : 5]; 199 sf->allow_quant_coeff_opt = sf->optimize_coefficients; 200 sf->quant_opt_thresh = qopt_thresholds[(speed < 6) ? speed : 5]; 201 202 sf->use_square_only_threshold = BLOCK_4X4; 203 sf->less_rectangular_check = 1; 204 205 sf->use_rd_breakout = 1; 206 sf->adaptive_motion_search = 1; 207 sf->mv.auto_mv_step_size = 1; 208 sf->adaptive_rd_thresh = 2; 209 sf->mv.subpel_iters_per_step = 1; 210 sf->mode_skip_start = 10; 211 sf->adaptive_pred_interp_filter = 1; 212 sf->allow_acl = 0; 213 214 sf->intra_y_mode_mask[TX_32X32] = INTRA_DC_H_V; 215 sf->intra_uv_mode_mask[TX_32X32] = INTRA_DC_H_V; 216 sf->intra_y_mode_mask[TX_16X16] = INTRA_DC_H_V; 217 sf->intra_uv_mode_mask[TX_16X16] = INTRA_DC_H_V; 218 219 sf->recode_tolerance_low = 15; 220 sf->recode_tolerance_high = 30; 221 222 sf->exhaustive_searches_thresh = 223 (cpi->twopass.fr_content_type == FC_GRAPHICS_ANIMATION) ? (1 << 23) 224 : INT_MAX; 225 } 226 227 if (speed >= 2) { 228 sf->recode_loop = ALLOW_RECODE_KFARFGF; 229 sf->tx_size_search_method = 230 frame_is_boosted(cpi) ? USE_FULL_RD : USE_LARGESTALL; 231 232 // Reference masking is not supported in dynamic scaling mode. 233 sf->reference_masking = cpi->oxcf.resize_mode != RESIZE_DYNAMIC ? 1 : 0; 234 235 sf->mode_search_skip_flags = 236 (cm->frame_type == KEY_FRAME) 237 ? 0 238 : FLAG_SKIP_INTRA_DIRMISMATCH | FLAG_SKIP_INTRA_BESTINTER | 239 FLAG_SKIP_COMP_BESTINTRA | FLAG_SKIP_INTRA_LOWVAR; 240 sf->disable_filter_search_var_thresh = 100; 241 sf->comp_inter_joint_search_thresh = BLOCK_SIZES; 242 sf->auto_min_max_partition_size = RELAXED_NEIGHBORING_MIN_MAX; 243 sf->allow_partition_search_skip = 1; 244 sf->recode_tolerance_low = 15; 245 sf->recode_tolerance_high = 45; 246 247 if (cpi->twopass.fr_content_type == FC_GRAPHICS_ANIMATION) { 248 for (i = 0; i < MAX_MESH_STEP; ++i) { 249 int mesh_density_level = 1; 250 sf->mesh_patterns[i].range = 251 good_quality_mesh_patterns[mesh_density_level][i].range; 252 sf->mesh_patterns[i].interval = 253 good_quality_mesh_patterns[mesh_density_level][i].interval; 254 } 255 } 256 } 257 258 if (speed >= 3) { 259 sf->use_square_partition_only = !frame_is_intra_only(cm); 260 sf->tx_size_search_method = 261 frame_is_intra_only(cm) ? USE_FULL_RD : USE_LARGESTALL; 262 sf->mv.subpel_search_method = SUBPEL_TREE_PRUNED; 263 sf->adaptive_pred_interp_filter = 0; 264 sf->adaptive_mode_search = 1; 265 sf->cb_partition_search = !boosted; 266 sf->cb_pred_filter_search = 1; 267 sf->alt_ref_search_fp = 1; 268 sf->recode_loop = ALLOW_RECODE_KFMAXBW; 269 sf->adaptive_rd_thresh = 3; 270 sf->mode_skip_start = 6; 271 sf->intra_y_mode_mask[TX_32X32] = INTRA_DC; 272 sf->intra_uv_mode_mask[TX_32X32] = INTRA_DC; 273 sf->adaptive_interp_filter_search = 1; 274 275 if (cpi->twopass.fr_content_type == FC_GRAPHICS_ANIMATION) { 276 for (i = 0; i < MAX_MESH_STEP; ++i) { 277 int mesh_density_level = 2; 278 sf->mesh_patterns[i].range = 279 good_quality_mesh_patterns[mesh_density_level][i].range; 280 sf->mesh_patterns[i].interval = 281 good_quality_mesh_patterns[mesh_density_level][i].interval; 282 } 283 } 284 } 285 286 if (speed >= 4) { 287 sf->use_square_partition_only = 1; 288 sf->tx_size_search_method = USE_LARGESTALL; 289 sf->mv.search_method = BIGDIA; 290 sf->mv.subpel_search_method = SUBPEL_TREE_PRUNED_MORE; 291 sf->adaptive_rd_thresh = 4; 292 if (cm->frame_type != KEY_FRAME) 293 sf->mode_search_skip_flags |= FLAG_EARLY_TERMINATE; 294 sf->disable_filter_search_var_thresh = 200; 295 sf->use_lp32x32fdct = 1; 296 sf->use_fast_coef_updates = ONE_LOOP_REDUCED; 297 sf->use_fast_coef_costing = 1; 298 sf->motion_field_mode_search = !boosted; 299 } 300 301 if (speed >= 5) { 302 int i; 303 sf->optimize_coefficients = 0; 304 sf->mv.search_method = HEX; 305 sf->disable_filter_search_var_thresh = 500; 306 for (i = 0; i < TX_SIZES; ++i) { 307 sf->intra_y_mode_mask[i] = INTRA_DC; 308 sf->intra_uv_mode_mask[i] = INTRA_DC; 309 } 310 sf->mv.reduce_first_step_size = 1; 311 sf->simple_model_rd_from_var = 1; 312 } 313 } 314 315 static void set_rt_speed_feature_framesize_dependent(VP9_COMP *cpi, 316 SPEED_FEATURES *sf, 317 int speed) { 318 VP9_COMMON *const cm = &cpi->common; 319 320 if (speed >= 1) { 321 if (VPXMIN(cm->width, cm->height) >= 720) { 322 sf->disable_split_mask = 323 cm->show_frame ? DISABLE_ALL_SPLIT : DISABLE_ALL_INTER_SPLIT; 324 } else { 325 sf->disable_split_mask = DISABLE_COMPOUND_SPLIT; 326 } 327 } 328 329 if (speed >= 2) { 330 if (VPXMIN(cm->width, cm->height) >= 720) { 331 sf->disable_split_mask = 332 cm->show_frame ? DISABLE_ALL_SPLIT : DISABLE_ALL_INTER_SPLIT; 333 } else { 334 sf->disable_split_mask = LAST_AND_INTRA_SPLIT_ONLY; 335 } 336 } 337 338 if (speed >= 5) { 339 sf->partition_search_breakout_thr.rate = 200; 340 if (VPXMIN(cm->width, cm->height) >= 720) { 341 sf->partition_search_breakout_thr.dist = (1 << 25); 342 } else { 343 sf->partition_search_breakout_thr.dist = (1 << 23); 344 } 345 } 346 347 if (speed >= 7) { 348 sf->encode_breakout_thresh = 349 (VPXMIN(cm->width, cm->height) >= 720) ? 800 : 300; 350 } 351 } 352 353 static void set_rt_speed_feature_framesize_independent( 354 VP9_COMP *cpi, SPEED_FEATURES *sf, int speed, vp9e_tune_content content) { 355 VP9_COMMON *const cm = &cpi->common; 356 const int is_keyframe = cm->frame_type == KEY_FRAME; 357 const int frames_since_key = is_keyframe ? 0 : cpi->rc.frames_since_key; 358 sf->static_segmentation = 0; 359 sf->adaptive_rd_thresh = 1; 360 sf->adaptive_rd_thresh_row_mt = 0; 361 sf->use_fast_coef_costing = 1; 362 sf->exhaustive_searches_thresh = INT_MAX; 363 sf->allow_acl = 0; 364 sf->copy_partition_flag = 0; 365 sf->use_source_sad = 0; 366 sf->use_simple_block_yrd = 0; 367 368 if (speed >= 1) { 369 sf->allow_txfm_domain_distortion = 1; 370 sf->tx_domain_thresh = 0.0; 371 sf->allow_quant_coeff_opt = 0; 372 sf->quant_opt_thresh = 0.0; 373 sf->use_square_partition_only = !frame_is_intra_only(cm); 374 sf->less_rectangular_check = 1; 375 sf->tx_size_search_method = 376 frame_is_intra_only(cm) ? USE_FULL_RD : USE_LARGESTALL; 377 378 sf->use_rd_breakout = 1; 379 380 sf->adaptive_motion_search = 1; 381 sf->adaptive_pred_interp_filter = 1; 382 sf->mv.auto_mv_step_size = 1; 383 sf->adaptive_rd_thresh = 2; 384 sf->intra_y_mode_mask[TX_32X32] = INTRA_DC_H_V; 385 sf->intra_uv_mode_mask[TX_32X32] = INTRA_DC_H_V; 386 sf->intra_uv_mode_mask[TX_16X16] = INTRA_DC_H_V; 387 } 388 389 if (speed >= 2) { 390 sf->mode_search_skip_flags = 391 (cm->frame_type == KEY_FRAME) 392 ? 0 393 : FLAG_SKIP_INTRA_DIRMISMATCH | FLAG_SKIP_INTRA_BESTINTER | 394 FLAG_SKIP_COMP_BESTINTRA | FLAG_SKIP_INTRA_LOWVAR; 395 sf->adaptive_pred_interp_filter = 2; 396 397 // Reference masking only enabled for 1 spatial layer, and if none of the 398 // references have been scaled. The latter condition needs to be checked 399 // for external or internal dynamic resize. 400 sf->reference_masking = (cpi->svc.number_spatial_layers == 1); 401 if (sf->reference_masking == 1 && 402 (cpi->external_resize == 1 || 403 cpi->oxcf.resize_mode == RESIZE_DYNAMIC)) { 404 MV_REFERENCE_FRAME ref_frame; 405 static const int flag_list[4] = { 0, VP9_LAST_FLAG, VP9_GOLD_FLAG, 406 VP9_ALT_FLAG }; 407 for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) { 408 const YV12_BUFFER_CONFIG *yv12 = get_ref_frame_buffer(cpi, ref_frame); 409 if (yv12 != NULL && (cpi->ref_frame_flags & flag_list[ref_frame])) { 410 const struct scale_factors *const scale_fac = 411 &cm->frame_refs[ref_frame - 1].sf; 412 if (vp9_is_scaled(scale_fac)) sf->reference_masking = 0; 413 } 414 } 415 } 416 417 sf->disable_filter_search_var_thresh = 50; 418 sf->comp_inter_joint_search_thresh = BLOCK_SIZES; 419 sf->auto_min_max_partition_size = RELAXED_NEIGHBORING_MIN_MAX; 420 sf->lf_motion_threshold = LOW_MOTION_THRESHOLD; 421 sf->adjust_partitioning_from_last_frame = 1; 422 sf->last_partitioning_redo_frequency = 3; 423 sf->use_lp32x32fdct = 1; 424 sf->mode_skip_start = 11; 425 sf->intra_y_mode_mask[TX_16X16] = INTRA_DC_H_V; 426 } 427 428 if (speed >= 3) { 429 sf->use_square_partition_only = 1; 430 sf->disable_filter_search_var_thresh = 100; 431 sf->use_uv_intra_rd_estimate = 1; 432 sf->skip_encode_sb = 1; 433 sf->mv.subpel_iters_per_step = 1; 434 sf->adaptive_rd_thresh = 4; 435 sf->mode_skip_start = 6; 436 sf->allow_skip_recode = 0; 437 sf->optimize_coefficients = 0; 438 sf->disable_split_mask = DISABLE_ALL_SPLIT; 439 sf->lpf_pick = LPF_PICK_FROM_Q; 440 } 441 442 if (speed >= 4) { 443 int i; 444 sf->last_partitioning_redo_frequency = 4; 445 sf->adaptive_rd_thresh = 5; 446 sf->use_fast_coef_costing = 0; 447 sf->auto_min_max_partition_size = STRICT_NEIGHBORING_MIN_MAX; 448 sf->adjust_partitioning_from_last_frame = 449 cm->last_frame_type != cm->frame_type || 450 (0 == (frames_since_key + 1) % sf->last_partitioning_redo_frequency); 451 sf->mv.subpel_force_stop = 1; 452 for (i = 0; i < TX_SIZES; i++) { 453 sf->intra_y_mode_mask[i] = INTRA_DC_H_V; 454 sf->intra_uv_mode_mask[i] = INTRA_DC; 455 } 456 sf->intra_y_mode_mask[TX_32X32] = INTRA_DC; 457 sf->frame_parameter_update = 0; 458 sf->mv.search_method = FAST_HEX; 459 460 sf->inter_mode_mask[BLOCK_32X32] = INTER_NEAREST_NEAR_NEW; 461 sf->inter_mode_mask[BLOCK_32X64] = INTER_NEAREST; 462 sf->inter_mode_mask[BLOCK_64X32] = INTER_NEAREST; 463 sf->inter_mode_mask[BLOCK_64X64] = INTER_NEAREST; 464 sf->max_intra_bsize = BLOCK_32X32; 465 sf->allow_skip_recode = 1; 466 } 467 468 if (speed >= 5) { 469 sf->use_quant_fp = !is_keyframe; 470 sf->auto_min_max_partition_size = 471 is_keyframe ? RELAXED_NEIGHBORING_MIN_MAX : STRICT_NEIGHBORING_MIN_MAX; 472 sf->default_max_partition_size = BLOCK_32X32; 473 sf->default_min_partition_size = BLOCK_8X8; 474 sf->force_frame_boost = 475 is_keyframe || 476 (frames_since_key % (sf->last_partitioning_redo_frequency << 1) == 1); 477 sf->max_delta_qindex = is_keyframe ? 20 : 15; 478 sf->partition_search_type = REFERENCE_PARTITION; 479 if (cpi->oxcf.rc_mode == VPX_VBR && cpi->oxcf.lag_in_frames > 0 && 480 cpi->rc.is_src_frame_alt_ref) { 481 sf->partition_search_type = VAR_BASED_PARTITION; 482 } 483 sf->use_nonrd_pick_mode = 1; 484 sf->allow_skip_recode = 0; 485 sf->inter_mode_mask[BLOCK_32X32] = INTER_NEAREST_NEW_ZERO; 486 sf->inter_mode_mask[BLOCK_32X64] = INTER_NEAREST_NEW_ZERO; 487 sf->inter_mode_mask[BLOCK_64X32] = INTER_NEAREST_NEW_ZERO; 488 sf->inter_mode_mask[BLOCK_64X64] = INTER_NEAREST_NEW_ZERO; 489 sf->adaptive_rd_thresh = 2; 490 // This feature is only enabled when partition search is disabled. 491 sf->reuse_inter_pred_sby = 1; 492 sf->coeff_prob_appx_step = 4; 493 sf->use_fast_coef_updates = is_keyframe ? TWO_LOOP : ONE_LOOP_REDUCED; 494 sf->mode_search_skip_flags = FLAG_SKIP_INTRA_DIRMISMATCH; 495 sf->tx_size_search_method = is_keyframe ? USE_LARGESTALL : USE_TX_8X8; 496 sf->simple_model_rd_from_var = 1; 497 if (cpi->oxcf.rc_mode == VPX_VBR) sf->mv.search_method = NSTEP; 498 499 if (!is_keyframe) { 500 int i; 501 if (content == VP9E_CONTENT_SCREEN) { 502 for (i = 0; i < BLOCK_SIZES; ++i) 503 sf->intra_y_mode_bsize_mask[i] = INTRA_DC_TM_H_V; 504 } else { 505 for (i = 0; i < BLOCK_SIZES; ++i) 506 if (i > BLOCK_16X16) 507 sf->intra_y_mode_bsize_mask[i] = INTRA_DC; 508 else 509 // Use H and V intra mode for block sizes <= 16X16. 510 sf->intra_y_mode_bsize_mask[i] = INTRA_DC_H_V; 511 } 512 } 513 if (content == VP9E_CONTENT_SCREEN) { 514 sf->short_circuit_flat_blocks = 1; 515 } 516 if (cpi->oxcf.rc_mode == VPX_CBR && 517 cpi->oxcf.content != VP9E_CONTENT_SCREEN) { 518 sf->limit_newmv_early_exit = 1; 519 if (!cpi->use_svc) sf->bias_golden = 1; 520 } 521 } 522 523 if (speed >= 6) { 524 sf->partition_search_type = VAR_BASED_PARTITION; 525 // Turn on this to use non-RD key frame coding mode. 526 sf->use_nonrd_pick_mode = 1; 527 sf->mv.search_method = NSTEP; 528 sf->mv.reduce_first_step_size = 1; 529 sf->skip_encode_sb = 0; 530 if (cpi->oxcf.rc_mode == VPX_CBR && content != VP9E_CONTENT_SCREEN) { 531 // Enable short circuit for low temporal variance. 532 sf->short_circuit_low_temp_var = 1; 533 } 534 if (cpi->svc.temporal_layer_id > 0) { 535 sf->adaptive_rd_thresh = 4; 536 sf->limit_newmv_early_exit = 0; 537 sf->mv.subpel_force_stop = (cpi->svc.temporal_layer_id == 1) ? 1 : 2; 538 sf->base_mv_aggressive = 539 (cpi->svc.temporal_layer_id == cpi->svc.number_temporal_layers - 1) 540 ? 1 541 : 0; 542 } 543 } 544 545 if (speed >= 7) { 546 sf->adaptive_rd_thresh = 3; 547 sf->mv.search_method = FAST_DIAMOND; 548 sf->mv.fullpel_search_step_param = 10; 549 if (cpi->svc.number_temporal_layers > 2 && 550 cpi->svc.temporal_layer_id == 0) { 551 sf->mv.search_method = NSTEP; 552 sf->mv.fullpel_search_step_param = 6; 553 } 554 if (!cpi->external_resize) sf->use_source_sad = 1; 555 if (sf->use_source_sad) { 556 if (cpi->content_state_sb_fd == NULL && 557 (!cpi->use_svc || 558 cpi->svc.spatial_layer_id == cpi->svc.number_spatial_layers - 1)) { 559 cpi->content_state_sb_fd = (uint8_t *)vpx_calloc( 560 (cm->mi_stride >> 3) * ((cm->mi_rows >> 3) + 1), sizeof(uint8_t)); 561 } 562 } 563 } 564 565 if (speed >= 8) { 566 sf->adaptive_rd_thresh = 4; 567 // Enable partition copy. For SVC, only enabled for top resolution layer, 568 if (!cpi->last_frame_dropped && cpi->resize_state == ORIG && 569 !cpi->external_resize && 570 (!cpi->use_svc || 571 cpi->svc.spatial_layer_id == cpi->svc.number_spatial_layers - 1)) { 572 sf->copy_partition_flag = 1; 573 cpi->max_copied_frame = 4; 574 } 575 576 if (cpi->row_mt && cpi->oxcf.max_threads > 1) 577 sf->adaptive_rd_thresh_row_mt = 1; 578 579 if (content == VP9E_CONTENT_SCREEN) 580 sf->mv.subpel_force_stop = 3; 581 else if (cm->width * cm->height > 352 * 288) 582 sf->mv.subpel_force_stop = 2; 583 584 if (content == VP9E_CONTENT_SCREEN) sf->lpf_pick = LPF_PICK_MINIMAL_LPF; 585 // Only keep INTRA_DC mode for speed 8. 586 if (!is_keyframe) { 587 int i = 0; 588 for (i = 0; i < BLOCK_SIZES; ++i) 589 sf->intra_y_mode_bsize_mask[i] = INTRA_DC; 590 } 591 if (!cpi->use_svc && cpi->oxcf.rc_mode == VPX_CBR && 592 content != VP9E_CONTENT_SCREEN) { 593 // More aggressive short circuit for speed 8. 594 sf->short_circuit_low_temp_var = 3; 595 // Use level 2 for noisey cases as there is a regression in some 596 // noisy clips with level 3. 597 if (cpi->noise_estimate.enabled && cm->width >= 1280 && 598 cm->height >= 720) { 599 NOISE_LEVEL noise_level = 600 vp9_noise_estimate_extract_level(&cpi->noise_estimate); 601 if (noise_level >= kMedium) sf->short_circuit_low_temp_var = 2; 602 } 603 // Since the short_circuit_low_temp_var is used, reduce the 604 // adaptive_rd_thresh level. 605 if (cm->width * cm->height > 352 * 288) 606 sf->adaptive_rd_thresh = 1; 607 else 608 sf->adaptive_rd_thresh = 2; 609 } 610 sf->limit_newmv_early_exit = 0; 611 sf->use_simple_block_yrd = 1; 612 } 613 } 614 615 void vp9_set_speed_features_framesize_dependent(VP9_COMP *cpi) { 616 SPEED_FEATURES *const sf = &cpi->sf; 617 const VP9EncoderConfig *const oxcf = &cpi->oxcf; 618 RD_OPT *const rd = &cpi->rd; 619 int i; 620 621 // best quality defaults 622 // Some speed-up features even for best quality as minimal impact on quality. 623 sf->partition_search_breakout_thr.dist = (1 << 19); 624 sf->partition_search_breakout_thr.rate = 80; 625 sf->ml_partition_search_early_termination = 0; 626 627 if (oxcf->mode == REALTIME) { 628 set_rt_speed_feature_framesize_dependent(cpi, sf, oxcf->speed); 629 } else if (oxcf->mode == GOOD) { 630 set_good_speed_feature_framesize_dependent(cpi, sf, oxcf->speed); 631 } 632 633 if (sf->disable_split_mask == DISABLE_ALL_SPLIT) { 634 sf->adaptive_pred_interp_filter = 0; 635 } 636 637 if (cpi->encode_breakout && oxcf->mode == REALTIME && 638 sf->encode_breakout_thresh > cpi->encode_breakout) { 639 cpi->encode_breakout = sf->encode_breakout_thresh; 640 } 641 642 // Check for masked out split cases. 643 for (i = 0; i < MAX_REFS; ++i) { 644 if (sf->disable_split_mask & (1 << i)) { 645 rd->thresh_mult_sub8x8[i] = INT_MAX; 646 } 647 } 648 649 // With row based multi-threading, the following speed features 650 // have to be disabled to guarantee that bitstreams encoded with single thread 651 // and multiple threads match. 652 // It can be used in realtime when adaptive_rd_thresh_row_mt is enabled since 653 // adaptive_rd_thresh is defined per-row for non-rd pickmode. 654 if (!sf->adaptive_rd_thresh_row_mt && cpi->row_mt_bit_exact) 655 sf->adaptive_rd_thresh = 0; 656 657 // This is only used in motion vector unit test. 658 if (cpi->oxcf.motion_vector_unit_test == 1) 659 cpi->find_fractional_mv_step = vp9_return_max_sub_pixel_mv; 660 else if (cpi->oxcf.motion_vector_unit_test == 2) 661 cpi->find_fractional_mv_step = vp9_return_min_sub_pixel_mv; 662 } 663 664 void vp9_set_speed_features_framesize_independent(VP9_COMP *cpi) { 665 SPEED_FEATURES *const sf = &cpi->sf; 666 VP9_COMMON *const cm = &cpi->common; 667 MACROBLOCK *const x = &cpi->td.mb; 668 const VP9EncoderConfig *const oxcf = &cpi->oxcf; 669 int i; 670 671 // best quality defaults 672 sf->frame_parameter_update = 1; 673 sf->mv.search_method = NSTEP; 674 sf->recode_loop = ALLOW_RECODE_FIRST; 675 sf->mv.subpel_search_method = SUBPEL_TREE; 676 sf->mv.subpel_iters_per_step = 2; 677 sf->mv.subpel_force_stop = 0; 678 sf->optimize_coefficients = !is_lossless_requested(&cpi->oxcf); 679 sf->mv.reduce_first_step_size = 0; 680 sf->coeff_prob_appx_step = 1; 681 sf->mv.auto_mv_step_size = 0; 682 sf->mv.fullpel_search_step_param = 6; 683 sf->comp_inter_joint_search_thresh = BLOCK_4X4; 684 sf->tx_size_search_method = USE_FULL_RD; 685 sf->use_lp32x32fdct = 0; 686 sf->adaptive_motion_search = 0; 687 sf->adaptive_pred_interp_filter = 0; 688 sf->adaptive_mode_search = 0; 689 sf->cb_pred_filter_search = 0; 690 sf->cb_partition_search = 0; 691 sf->motion_field_mode_search = 0; 692 sf->alt_ref_search_fp = 0; 693 sf->use_quant_fp = 0; 694 sf->reference_masking = 0; 695 sf->partition_search_type = SEARCH_PARTITION; 696 sf->less_rectangular_check = 0; 697 sf->use_square_partition_only = 0; 698 sf->use_square_only_threshold = BLOCK_SIZES; 699 sf->auto_min_max_partition_size = NOT_IN_USE; 700 sf->rd_auto_partition_min_limit = BLOCK_4X4; 701 sf->default_max_partition_size = BLOCK_64X64; 702 sf->default_min_partition_size = BLOCK_4X4; 703 sf->adjust_partitioning_from_last_frame = 0; 704 sf->last_partitioning_redo_frequency = 4; 705 sf->disable_split_mask = 0; 706 sf->mode_search_skip_flags = 0; 707 sf->force_frame_boost = 0; 708 sf->max_delta_qindex = 0; 709 sf->disable_filter_search_var_thresh = 0; 710 sf->adaptive_interp_filter_search = 0; 711 sf->allow_partition_search_skip = 0; 712 sf->allow_txfm_domain_distortion = 0; 713 sf->tx_domain_thresh = 99.0; 714 sf->allow_quant_coeff_opt = sf->optimize_coefficients; 715 sf->quant_opt_thresh = 99.0; 716 sf->allow_acl = 1; 717 718 for (i = 0; i < TX_SIZES; i++) { 719 sf->intra_y_mode_mask[i] = INTRA_ALL; 720 sf->intra_uv_mode_mask[i] = INTRA_ALL; 721 } 722 sf->use_rd_breakout = 0; 723 sf->skip_encode_sb = 0; 724 sf->use_uv_intra_rd_estimate = 0; 725 sf->allow_skip_recode = 0; 726 sf->lpf_pick = LPF_PICK_FROM_FULL_IMAGE; 727 sf->use_fast_coef_updates = TWO_LOOP; 728 sf->use_fast_coef_costing = 0; 729 sf->mode_skip_start = MAX_MODES; // Mode index at which mode skip mask set 730 sf->schedule_mode_search = 0; 731 sf->use_nonrd_pick_mode = 0; 732 for (i = 0; i < BLOCK_SIZES; ++i) sf->inter_mode_mask[i] = INTER_ALL; 733 sf->max_intra_bsize = BLOCK_64X64; 734 sf->reuse_inter_pred_sby = 0; 735 // This setting only takes effect when partition_search_type is set 736 // to FIXED_PARTITION. 737 sf->always_this_block_size = BLOCK_16X16; 738 sf->search_type_check_frequency = 50; 739 sf->encode_breakout_thresh = 0; 740 // Recode loop tolerance %. 741 sf->recode_tolerance_low = 12; 742 sf->recode_tolerance_high = 25; 743 sf->default_interp_filter = SWITCHABLE; 744 sf->simple_model_rd_from_var = 0; 745 sf->short_circuit_flat_blocks = 0; 746 sf->short_circuit_low_temp_var = 0; 747 sf->limit_newmv_early_exit = 0; 748 sf->bias_golden = 0; 749 sf->base_mv_aggressive = 0; 750 751 // Some speed-up features even for best quality as minimal impact on quality. 752 sf->adaptive_rd_thresh = 1; 753 sf->tx_size_search_breakout = 1; 754 755 sf->exhaustive_searches_thresh = 756 (cpi->twopass.fr_content_type == FC_GRAPHICS_ANIMATION) ? (1 << 20) 757 : INT_MAX; 758 if (cpi->twopass.fr_content_type == FC_GRAPHICS_ANIMATION) { 759 for (i = 0; i < MAX_MESH_STEP; ++i) { 760 sf->mesh_patterns[i].range = best_quality_mesh_pattern[i].range; 761 sf->mesh_patterns[i].interval = best_quality_mesh_pattern[i].interval; 762 } 763 } 764 765 if (oxcf->mode == REALTIME) 766 set_rt_speed_feature_framesize_independent(cpi, sf, oxcf->speed, 767 oxcf->content); 768 else if (oxcf->mode == GOOD) 769 set_good_speed_feature_framesize_independent(cpi, cm, sf, oxcf->speed); 770 771 cpi->full_search_sad = vp9_full_search_sad; 772 cpi->diamond_search_sad = vp9_diamond_search_sad; 773 774 // Slow quant, dct and trellis not worthwhile for first pass 775 // so make sure they are always turned off. 776 if (oxcf->pass == 1) sf->optimize_coefficients = 0; 777 778 // No recode for 1 pass. 779 if (oxcf->pass == 0) { 780 sf->recode_loop = DISALLOW_RECODE; 781 sf->optimize_coefficients = 0; 782 } 783 784 if (sf->mv.subpel_force_stop == 3) { 785 // Whole pel only 786 cpi->find_fractional_mv_step = vp9_skip_sub_pixel_tree; 787 } else if (sf->mv.subpel_search_method == SUBPEL_TREE) { 788 cpi->find_fractional_mv_step = vp9_find_best_sub_pixel_tree; 789 } else if (sf->mv.subpel_search_method == SUBPEL_TREE_PRUNED) { 790 cpi->find_fractional_mv_step = vp9_find_best_sub_pixel_tree_pruned; 791 } else if (sf->mv.subpel_search_method == SUBPEL_TREE_PRUNED_MORE) { 792 cpi->find_fractional_mv_step = vp9_find_best_sub_pixel_tree_pruned_more; 793 } else if (sf->mv.subpel_search_method == SUBPEL_TREE_PRUNED_EVENMORE) { 794 cpi->find_fractional_mv_step = vp9_find_best_sub_pixel_tree_pruned_evenmore; 795 } 796 797 x->optimize = sf->optimize_coefficients == 1 && oxcf->pass != 1; 798 799 x->min_partition_size = sf->default_min_partition_size; 800 x->max_partition_size = sf->default_max_partition_size; 801 802 if (!cpi->oxcf.frame_periodic_boost) { 803 sf->max_delta_qindex = 0; 804 } 805 806 // With row based multi-threading, the following speed features 807 // have to be disabled to guarantee that bitstreams encoded with single thread 808 // and multiple threads match. 809 // It can be used in realtime when adaptive_rd_thresh_row_mt is enabled since 810 // adaptive_rd_thresh is defined per-row for non-rd pickmode. 811 if (!sf->adaptive_rd_thresh_row_mt && cpi->row_mt_bit_exact) 812 sf->adaptive_rd_thresh = 0; 813 814 // This is only used in motion vector unit test. 815 if (cpi->oxcf.motion_vector_unit_test == 1) 816 cpi->find_fractional_mv_step = vp9_return_max_sub_pixel_mv; 817 else if (cpi->oxcf.motion_vector_unit_test == 2) 818 cpi->find_fractional_mv_step = vp9_return_min_sub_pixel_mv; 819 } 820
