1 /* 2 * Copyright (c) 2014 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 <assert.h> 12 #include <limits.h> 13 #include <math.h> 14 #include <stdio.h> 15 16 #include "./vp9_rtcd.h" 17 #include "./vpx_dsp_rtcd.h" 18 19 #include "vpx/vpx_codec.h" 20 #include "vpx_dsp/vpx_dsp_common.h" 21 #include "vpx_mem/vpx_mem.h" 22 #include "vpx_ports/mem.h" 23 24 #include "vp9/common/vp9_blockd.h" 25 #include "vp9/common/vp9_common.h" 26 #include "vp9/common/vp9_mvref_common.h" 27 #include "vp9/common/vp9_pred_common.h" 28 #include "vp9/common/vp9_reconinter.h" 29 #include "vp9/common/vp9_reconintra.h" 30 #include "vp9/common/vp9_scan.h" 31 32 #include "vp9/encoder/vp9_cost.h" 33 #include "vp9/encoder/vp9_encoder.h" 34 #include "vp9/encoder/vp9_pickmode.h" 35 #include "vp9/encoder/vp9_ratectrl.h" 36 #include "vp9/encoder/vp9_rd.h" 37 38 typedef struct { 39 uint8_t *data; 40 int stride; 41 int in_use; 42 } PRED_BUFFER; 43 44 static const int pos_shift_16x16[4][4] = { 45 { 9, 10, 13, 14 }, { 11, 12, 15, 16 }, { 17, 18, 21, 22 }, { 19, 20, 23, 24 } 46 }; 47 48 static int mv_refs_rt(VP9_COMP *cpi, const VP9_COMMON *cm, const MACROBLOCK *x, 49 const MACROBLOCKD *xd, const TileInfo *const tile, 50 MODE_INFO *mi, MV_REFERENCE_FRAME ref_frame, 51 int_mv *mv_ref_list, int_mv *base_mv, int mi_row, 52 int mi_col, int use_base_mv) { 53 const int *ref_sign_bias = cm->ref_frame_sign_bias; 54 int i, refmv_count = 0; 55 56 const POSITION *const mv_ref_search = mv_ref_blocks[mi->sb_type]; 57 58 int different_ref_found = 0; 59 int context_counter = 0; 60 int const_motion = 0; 61 62 // Blank the reference vector list 63 memset(mv_ref_list, 0, sizeof(*mv_ref_list) * MAX_MV_REF_CANDIDATES); 64 65 // The nearest 2 blocks are treated differently 66 // if the size < 8x8 we get the mv from the bmi substructure, 67 // and we also need to keep a mode count. 68 for (i = 0; i < 2; ++i) { 69 const POSITION *const mv_ref = &mv_ref_search[i]; 70 if (is_inside(tile, mi_col, mi_row, cm->mi_rows, mv_ref)) { 71 const MODE_INFO *const candidate_mi = 72 xd->mi[mv_ref->col + mv_ref->row * xd->mi_stride]; 73 // Keep counts for entropy encoding. 74 context_counter += mode_2_counter[candidate_mi->mode]; 75 different_ref_found = 1; 76 77 if (candidate_mi->ref_frame[0] == ref_frame) 78 ADD_MV_REF_LIST(get_sub_block_mv(candidate_mi, 0, mv_ref->col, -1), 79 refmv_count, mv_ref_list, Done); 80 } 81 } 82 83 const_motion = 1; 84 85 // Check the rest of the neighbors in much the same way 86 // as before except we don't need to keep track of sub blocks or 87 // mode counts. 88 for (; i < MVREF_NEIGHBOURS && !refmv_count; ++i) { 89 const POSITION *const mv_ref = &mv_ref_search[i]; 90 if (is_inside(tile, mi_col, mi_row, cm->mi_rows, mv_ref)) { 91 const MODE_INFO *const candidate_mi = 92 xd->mi[mv_ref->col + mv_ref->row * xd->mi_stride]; 93 different_ref_found = 1; 94 95 if (candidate_mi->ref_frame[0] == ref_frame) 96 ADD_MV_REF_LIST(candidate_mi->mv[0], refmv_count, mv_ref_list, Done); 97 } 98 } 99 100 // Since we couldn't find 2 mvs from the same reference frame 101 // go back through the neighbors and find motion vectors from 102 // different reference frames. 103 if (different_ref_found && !refmv_count) { 104 for (i = 0; i < MVREF_NEIGHBOURS; ++i) { 105 const POSITION *mv_ref = &mv_ref_search[i]; 106 if (is_inside(tile, mi_col, mi_row, cm->mi_rows, mv_ref)) { 107 const MODE_INFO *const candidate_mi = 108 xd->mi[mv_ref->col + mv_ref->row * xd->mi_stride]; 109 110 // If the candidate is INTRA we don't want to consider its mv. 111 IF_DIFF_REF_FRAME_ADD_MV(candidate_mi, ref_frame, ref_sign_bias, 112 refmv_count, mv_ref_list, Done); 113 } 114 } 115 } 116 if (use_base_mv && 117 !cpi->svc.layer_context[cpi->svc.temporal_layer_id].is_key_frame && 118 ref_frame == LAST_FRAME) { 119 // Get base layer mv. 120 MV_REF *candidate = 121 &cm->prev_frame 122 ->mvs[(mi_col >> 1) + (mi_row >> 1) * (cm->mi_cols >> 1)]; 123 if (candidate->mv[0].as_int != INVALID_MV) { 124 base_mv->as_mv.row = (candidate->mv[0].as_mv.row * 2); 125 base_mv->as_mv.col = (candidate->mv[0].as_mv.col * 2); 126 clamp_mv_ref(&base_mv->as_mv, xd); 127 } else { 128 base_mv->as_int = INVALID_MV; 129 } 130 } 131 132 Done: 133 134 x->mbmi_ext->mode_context[ref_frame] = counter_to_context[context_counter]; 135 136 // Clamp vectors 137 for (i = 0; i < MAX_MV_REF_CANDIDATES; ++i) 138 clamp_mv_ref(&mv_ref_list[i].as_mv, xd); 139 140 return const_motion; 141 } 142 143 static int combined_motion_search(VP9_COMP *cpi, MACROBLOCK *x, 144 BLOCK_SIZE bsize, int mi_row, int mi_col, 145 int_mv *tmp_mv, int *rate_mv, 146 int64_t best_rd_sofar, int use_base_mv) { 147 MACROBLOCKD *xd = &x->e_mbd; 148 MODE_INFO *mi = xd->mi[0]; 149 struct buf_2d backup_yv12[MAX_MB_PLANE] = { { 0, 0 } }; 150 const int step_param = cpi->sf.mv.fullpel_search_step_param; 151 const int sadpb = x->sadperbit16; 152 MV mvp_full; 153 const int ref = mi->ref_frame[0]; 154 const MV ref_mv = x->mbmi_ext->ref_mvs[ref][0].as_mv; 155 MV center_mv; 156 uint32_t dis; 157 int rate_mode; 158 const MvLimits tmp_mv_limits = x->mv_limits; 159 int rv = 0; 160 int cost_list[5]; 161 const YV12_BUFFER_CONFIG *scaled_ref_frame = 162 vp9_get_scaled_ref_frame(cpi, ref); 163 if (scaled_ref_frame) { 164 int i; 165 // Swap out the reference frame for a version that's been scaled to 166 // match the resolution of the current frame, allowing the existing 167 // motion search code to be used without additional modifications. 168 for (i = 0; i < MAX_MB_PLANE; i++) backup_yv12[i] = xd->plane[i].pre[0]; 169 vp9_setup_pre_planes(xd, 0, scaled_ref_frame, mi_row, mi_col, NULL); 170 } 171 vp9_set_mv_search_range(&x->mv_limits, &ref_mv); 172 173 // Limit motion vector for large lightning change. 174 if (cpi->oxcf.speed > 5 && x->lowvar_highsumdiff) { 175 x->mv_limits.col_min = VPXMAX(x->mv_limits.col_min, -10); 176 x->mv_limits.row_min = VPXMAX(x->mv_limits.row_min, -10); 177 x->mv_limits.col_max = VPXMIN(x->mv_limits.col_max, 10); 178 x->mv_limits.row_max = VPXMIN(x->mv_limits.row_max, 10); 179 } 180 181 assert(x->mv_best_ref_index[ref] <= 2); 182 if (x->mv_best_ref_index[ref] < 2) 183 mvp_full = x->mbmi_ext->ref_mvs[ref][x->mv_best_ref_index[ref]].as_mv; 184 else 185 mvp_full = x->pred_mv[ref]; 186 187 mvp_full.col >>= 3; 188 mvp_full.row >>= 3; 189 190 if (!use_base_mv) 191 center_mv = ref_mv; 192 else 193 center_mv = tmp_mv->as_mv; 194 195 vp9_full_pixel_search( 196 cpi, x, bsize, &mvp_full, step_param, cpi->sf.mv.search_method, sadpb, 197 cond_cost_list(cpi, cost_list), ¢er_mv, &tmp_mv->as_mv, INT_MAX, 0); 198 199 x->mv_limits = tmp_mv_limits; 200 201 // calculate the bit cost on motion vector 202 mvp_full.row = tmp_mv->as_mv.row * 8; 203 mvp_full.col = tmp_mv->as_mv.col * 8; 204 205 *rate_mv = vp9_mv_bit_cost(&mvp_full, &ref_mv, x->nmvjointcost, x->mvcost, 206 MV_COST_WEIGHT); 207 208 rate_mode = 209 cpi->inter_mode_cost[x->mbmi_ext->mode_context[ref]][INTER_OFFSET(NEWMV)]; 210 rv = 211 !(RDCOST(x->rdmult, x->rddiv, (*rate_mv + rate_mode), 0) > best_rd_sofar); 212 213 if (rv) { 214 const int subpel_force_stop = cpi->sf.mv.subpel_force_stop; 215 cpi->find_fractional_mv_step( 216 x, &tmp_mv->as_mv, &ref_mv, cpi->common.allow_high_precision_mv, 217 x->errorperbit, &cpi->fn_ptr[bsize], subpel_force_stop, 218 cpi->sf.mv.subpel_iters_per_step, cond_cost_list(cpi, cost_list), 219 x->nmvjointcost, x->mvcost, &dis, &x->pred_sse[ref], NULL, 0, 0); 220 *rate_mv = vp9_mv_bit_cost(&tmp_mv->as_mv, &ref_mv, x->nmvjointcost, 221 x->mvcost, MV_COST_WEIGHT); 222 } 223 224 if (scaled_ref_frame) { 225 int i; 226 for (i = 0; i < MAX_MB_PLANE; i++) xd->plane[i].pre[0] = backup_yv12[i]; 227 } 228 return rv; 229 } 230 231 static void block_variance(const uint8_t *src, int src_stride, 232 const uint8_t *ref, int ref_stride, int w, int h, 233 unsigned int *sse, int *sum, int block_size, 234 #if CONFIG_VP9_HIGHBITDEPTH 235 int use_highbitdepth, vpx_bit_depth_t bd, 236 #endif 237 uint32_t *sse8x8, int *sum8x8, uint32_t *var8x8) { 238 int i, j, k = 0; 239 240 *sse = 0; 241 *sum = 0; 242 243 for (i = 0; i < h; i += block_size) { 244 for (j = 0; j < w; j += block_size) { 245 #if CONFIG_VP9_HIGHBITDEPTH 246 if (use_highbitdepth) { 247 switch (bd) { 248 case VPX_BITS_8: 249 vpx_highbd_8_get8x8var(src + src_stride * i + j, src_stride, 250 ref + ref_stride * i + j, ref_stride, 251 &sse8x8[k], &sum8x8[k]); 252 break; 253 case VPX_BITS_10: 254 vpx_highbd_10_get8x8var(src + src_stride * i + j, src_stride, 255 ref + ref_stride * i + j, ref_stride, 256 &sse8x8[k], &sum8x8[k]); 257 break; 258 case VPX_BITS_12: 259 vpx_highbd_12_get8x8var(src + src_stride * i + j, src_stride, 260 ref + ref_stride * i + j, ref_stride, 261 &sse8x8[k], &sum8x8[k]); 262 break; 263 } 264 } else { 265 vpx_get8x8var(src + src_stride * i + j, src_stride, 266 ref + ref_stride * i + j, ref_stride, &sse8x8[k], 267 &sum8x8[k]); 268 } 269 #else 270 vpx_get8x8var(src + src_stride * i + j, src_stride, 271 ref + ref_stride * i + j, ref_stride, &sse8x8[k], 272 &sum8x8[k]); 273 #endif 274 *sse += sse8x8[k]; 275 *sum += sum8x8[k]; 276 var8x8[k] = sse8x8[k] - (uint32_t)(((int64_t)sum8x8[k] * sum8x8[k]) >> 6); 277 k++; 278 } 279 } 280 } 281 282 static void calculate_variance(int bw, int bh, TX_SIZE tx_size, 283 unsigned int *sse_i, int *sum_i, 284 unsigned int *var_o, unsigned int *sse_o, 285 int *sum_o) { 286 const BLOCK_SIZE unit_size = txsize_to_bsize[tx_size]; 287 const int nw = 1 << (bw - b_width_log2_lookup[unit_size]); 288 const int nh = 1 << (bh - b_height_log2_lookup[unit_size]); 289 int i, j, k = 0; 290 291 for (i = 0; i < nh; i += 2) { 292 for (j = 0; j < nw; j += 2) { 293 sse_o[k] = sse_i[i * nw + j] + sse_i[i * nw + j + 1] + 294 sse_i[(i + 1) * nw + j] + sse_i[(i + 1) * nw + j + 1]; 295 sum_o[k] = sum_i[i * nw + j] + sum_i[i * nw + j + 1] + 296 sum_i[(i + 1) * nw + j] + sum_i[(i + 1) * nw + j + 1]; 297 var_o[k] = sse_o[k] - (uint32_t)(((int64_t)sum_o[k] * sum_o[k]) >> 298 (b_width_log2_lookup[unit_size] + 299 b_height_log2_lookup[unit_size] + 6)); 300 k++; 301 } 302 } 303 } 304 305 // Adjust the ac_thr according to speed, width, height and normalized sum 306 static int ac_thr_factor(const int speed, const int width, const int height, 307 const int norm_sum) { 308 if (speed >= 8 && norm_sum < 5) { 309 if (width <= 640 && height <= 480) 310 return 4; 311 else 312 return 2; 313 } 314 return 1; 315 } 316 317 static void model_rd_for_sb_y_large(VP9_COMP *cpi, BLOCK_SIZE bsize, 318 MACROBLOCK *x, MACROBLOCKD *xd, 319 int *out_rate_sum, int64_t *out_dist_sum, 320 unsigned int *var_y, unsigned int *sse_y, 321 int mi_row, int mi_col, int *early_term) { 322 // Note our transform coeffs are 8 times an orthogonal transform. 323 // Hence quantizer step is also 8 times. To get effective quantizer 324 // we need to divide by 8 before sending to modeling function. 325 unsigned int sse; 326 int rate; 327 int64_t dist; 328 struct macroblock_plane *const p = &x->plane[0]; 329 struct macroblockd_plane *const pd = &xd->plane[0]; 330 const uint32_t dc_quant = pd->dequant[0]; 331 const uint32_t ac_quant = pd->dequant[1]; 332 const int64_t dc_thr = dc_quant * dc_quant >> 6; 333 int64_t ac_thr = ac_quant * ac_quant >> 6; 334 unsigned int var; 335 int sum; 336 int skip_dc = 0; 337 338 const int bw = b_width_log2_lookup[bsize]; 339 const int bh = b_height_log2_lookup[bsize]; 340 const int num8x8 = 1 << (bw + bh - 2); 341 unsigned int sse8x8[64] = { 0 }; 342 int sum8x8[64] = { 0 }; 343 unsigned int var8x8[64] = { 0 }; 344 TX_SIZE tx_size; 345 int i, k; 346 #if CONFIG_VP9_HIGHBITDEPTH 347 const vpx_bit_depth_t bd = cpi->common.bit_depth; 348 #endif 349 // Calculate variance for whole partition, and also save 8x8 blocks' variance 350 // to be used in following transform skipping test. 351 block_variance(p->src.buf, p->src.stride, pd->dst.buf, pd->dst.stride, 352 4 << bw, 4 << bh, &sse, &sum, 8, 353 #if CONFIG_VP9_HIGHBITDEPTH 354 cpi->common.use_highbitdepth, bd, 355 #endif 356 sse8x8, sum8x8, var8x8); 357 var = sse - (unsigned int)(((int64_t)sum * sum) >> (bw + bh + 4)); 358 359 *var_y = var; 360 *sse_y = sse; 361 362 #if CONFIG_VP9_TEMPORAL_DENOISING 363 if (cpi->oxcf.noise_sensitivity > 0 && denoise_svc(cpi) && 364 cpi->oxcf.speed > 5) 365 ac_thr = vp9_scale_acskip_thresh(ac_thr, cpi->denoiser.denoising_level, 366 (abs(sum) >> (bw + bh)), 367 cpi->svc.temporal_layer_id); 368 else 369 ac_thr *= ac_thr_factor(cpi->oxcf.speed, cpi->common.width, 370 cpi->common.height, abs(sum) >> (bw + bh)); 371 #else 372 ac_thr *= ac_thr_factor(cpi->oxcf.speed, cpi->common.width, 373 cpi->common.height, abs(sum) >> (bw + bh)); 374 #endif 375 376 if (cpi->common.tx_mode == TX_MODE_SELECT) { 377 if (sse > (var << 2)) 378 tx_size = VPXMIN(max_txsize_lookup[bsize], 379 tx_mode_to_biggest_tx_size[cpi->common.tx_mode]); 380 else 381 tx_size = TX_8X8; 382 383 if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ && 384 cyclic_refresh_segment_id_boosted(xd->mi[0]->segment_id)) 385 tx_size = TX_8X8; 386 else if (tx_size > TX_16X16) 387 tx_size = TX_16X16; 388 } else { 389 tx_size = VPXMIN(max_txsize_lookup[bsize], 390 tx_mode_to_biggest_tx_size[cpi->common.tx_mode]); 391 } 392 393 assert(tx_size >= TX_8X8); 394 xd->mi[0]->tx_size = tx_size; 395 396 // Evaluate if the partition block is a skippable block in Y plane. 397 { 398 unsigned int sse16x16[16] = { 0 }; 399 int sum16x16[16] = { 0 }; 400 unsigned int var16x16[16] = { 0 }; 401 const int num16x16 = num8x8 >> 2; 402 403 unsigned int sse32x32[4] = { 0 }; 404 int sum32x32[4] = { 0 }; 405 unsigned int var32x32[4] = { 0 }; 406 const int num32x32 = num8x8 >> 4; 407 408 int ac_test = 1; 409 int dc_test = 1; 410 const int num = (tx_size == TX_8X8) 411 ? num8x8 412 : ((tx_size == TX_16X16) ? num16x16 : num32x32); 413 const unsigned int *sse_tx = 414 (tx_size == TX_8X8) ? sse8x8 415 : ((tx_size == TX_16X16) ? sse16x16 : sse32x32); 416 const unsigned int *var_tx = 417 (tx_size == TX_8X8) ? var8x8 418 : ((tx_size == TX_16X16) ? var16x16 : var32x32); 419 420 // Calculate variance if tx_size > TX_8X8 421 if (tx_size >= TX_16X16) 422 calculate_variance(bw, bh, TX_8X8, sse8x8, sum8x8, var16x16, sse16x16, 423 sum16x16); 424 if (tx_size == TX_32X32) 425 calculate_variance(bw, bh, TX_16X16, sse16x16, sum16x16, var32x32, 426 sse32x32, sum32x32); 427 428 // Skipping test 429 x->skip_txfm[0] = SKIP_TXFM_NONE; 430 for (k = 0; k < num; k++) 431 // Check if all ac coefficients can be quantized to zero. 432 if (!(var_tx[k] < ac_thr || var == 0)) { 433 ac_test = 0; 434 break; 435 } 436 437 for (k = 0; k < num; k++) 438 // Check if dc coefficient can be quantized to zero. 439 if (!(sse_tx[k] - var_tx[k] < dc_thr || sse == var)) { 440 dc_test = 0; 441 break; 442 } 443 444 if (ac_test) { 445 x->skip_txfm[0] = SKIP_TXFM_AC_ONLY; 446 447 if (dc_test) x->skip_txfm[0] = SKIP_TXFM_AC_DC; 448 } else if (dc_test) { 449 skip_dc = 1; 450 } 451 } 452 453 if (x->skip_txfm[0] == SKIP_TXFM_AC_DC) { 454 int skip_uv[2] = { 0 }; 455 unsigned int var_uv[2]; 456 unsigned int sse_uv[2]; 457 458 *out_rate_sum = 0; 459 *out_dist_sum = sse << 4; 460 461 // Transform skipping test in UV planes. 462 for (i = 1; i <= 2; i++) { 463 if (cpi->oxcf.speed < 8 || x->color_sensitivity[i - 1]) { 464 struct macroblock_plane *const p = &x->plane[i]; 465 struct macroblockd_plane *const pd = &xd->plane[i]; 466 const TX_SIZE uv_tx_size = get_uv_tx_size(xd->mi[0], pd); 467 const BLOCK_SIZE unit_size = txsize_to_bsize[uv_tx_size]; 468 const BLOCK_SIZE uv_bsize = get_plane_block_size(bsize, pd); 469 const int uv_bw = b_width_log2_lookup[uv_bsize]; 470 const int uv_bh = b_height_log2_lookup[uv_bsize]; 471 const int sf = (uv_bw - b_width_log2_lookup[unit_size]) + 472 (uv_bh - b_height_log2_lookup[unit_size]); 473 const uint32_t uv_dc_thr = pd->dequant[0] * pd->dequant[0] >> (6 - sf); 474 const uint32_t uv_ac_thr = pd->dequant[1] * pd->dequant[1] >> (6 - sf); 475 int j = i - 1; 476 477 vp9_build_inter_predictors_sbp(xd, mi_row, mi_col, bsize, i); 478 var_uv[j] = cpi->fn_ptr[uv_bsize].vf( 479 p->src.buf, p->src.stride, pd->dst.buf, pd->dst.stride, &sse_uv[j]); 480 481 if ((var_uv[j] < uv_ac_thr || var_uv[j] == 0) && 482 (sse_uv[j] - var_uv[j] < uv_dc_thr || sse_uv[j] == var_uv[j])) 483 skip_uv[j] = 1; 484 else 485 break; 486 } else { 487 skip_uv[i - 1] = 1; 488 } 489 } 490 491 // If the transform in YUV planes are skippable, the mode search checks 492 // fewer inter modes and doesn't check intra modes. 493 if (skip_uv[0] & skip_uv[1]) { 494 *early_term = 1; 495 } 496 return; 497 } 498 499 if (!skip_dc) { 500 #if CONFIG_VP9_HIGHBITDEPTH 501 vp9_model_rd_from_var_lapndz(sse - var, num_pels_log2_lookup[bsize], 502 dc_quant >> (xd->bd - 5), &rate, &dist); 503 #else 504 vp9_model_rd_from_var_lapndz(sse - var, num_pels_log2_lookup[bsize], 505 dc_quant >> 3, &rate, &dist); 506 #endif // CONFIG_VP9_HIGHBITDEPTH 507 } 508 509 if (!skip_dc) { 510 *out_rate_sum = rate >> 1; 511 *out_dist_sum = dist << 3; 512 } else { 513 *out_rate_sum = 0; 514 *out_dist_sum = (sse - var) << 4; 515 } 516 517 #if CONFIG_VP9_HIGHBITDEPTH 518 vp9_model_rd_from_var_lapndz(var, num_pels_log2_lookup[bsize], 519 ac_quant >> (xd->bd - 5), &rate, &dist); 520 #else 521 vp9_model_rd_from_var_lapndz(var, num_pels_log2_lookup[bsize], ac_quant >> 3, 522 &rate, &dist); 523 #endif // CONFIG_VP9_HIGHBITDEPTH 524 525 *out_rate_sum += rate; 526 *out_dist_sum += dist << 4; 527 } 528 529 static void model_rd_for_sb_y(VP9_COMP *cpi, BLOCK_SIZE bsize, MACROBLOCK *x, 530 MACROBLOCKD *xd, int *out_rate_sum, 531 int64_t *out_dist_sum, unsigned int *var_y, 532 unsigned int *sse_y) { 533 // Note our transform coeffs are 8 times an orthogonal transform. 534 // Hence quantizer step is also 8 times. To get effective quantizer 535 // we need to divide by 8 before sending to modeling function. 536 unsigned int sse; 537 int rate; 538 int64_t dist; 539 struct macroblock_plane *const p = &x->plane[0]; 540 struct macroblockd_plane *const pd = &xd->plane[0]; 541 const int64_t dc_thr = p->quant_thred[0] >> 6; 542 const int64_t ac_thr = p->quant_thred[1] >> 6; 543 const uint32_t dc_quant = pd->dequant[0]; 544 const uint32_t ac_quant = pd->dequant[1]; 545 unsigned int var = cpi->fn_ptr[bsize].vf(p->src.buf, p->src.stride, 546 pd->dst.buf, pd->dst.stride, &sse); 547 int skip_dc = 0; 548 549 *var_y = var; 550 *sse_y = sse; 551 552 if (cpi->common.tx_mode == TX_MODE_SELECT) { 553 if (sse > (var << 2)) 554 xd->mi[0]->tx_size = 555 VPXMIN(max_txsize_lookup[bsize], 556 tx_mode_to_biggest_tx_size[cpi->common.tx_mode]); 557 else 558 xd->mi[0]->tx_size = TX_8X8; 559 560 if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ && 561 cyclic_refresh_segment_id_boosted(xd->mi[0]->segment_id)) 562 xd->mi[0]->tx_size = TX_8X8; 563 else if (xd->mi[0]->tx_size > TX_16X16) 564 xd->mi[0]->tx_size = TX_16X16; 565 } else { 566 xd->mi[0]->tx_size = 567 VPXMIN(max_txsize_lookup[bsize], 568 tx_mode_to_biggest_tx_size[cpi->common.tx_mode]); 569 } 570 571 // Evaluate if the partition block is a skippable block in Y plane. 572 { 573 const BLOCK_SIZE unit_size = txsize_to_bsize[xd->mi[0]->tx_size]; 574 const unsigned int num_blk_log2 = 575 (b_width_log2_lookup[bsize] - b_width_log2_lookup[unit_size]) + 576 (b_height_log2_lookup[bsize] - b_height_log2_lookup[unit_size]); 577 const unsigned int sse_tx = sse >> num_blk_log2; 578 const unsigned int var_tx = var >> num_blk_log2; 579 580 x->skip_txfm[0] = SKIP_TXFM_NONE; 581 // Check if all ac coefficients can be quantized to zero. 582 if (var_tx < ac_thr || var == 0) { 583 x->skip_txfm[0] = SKIP_TXFM_AC_ONLY; 584 // Check if dc coefficient can be quantized to zero. 585 if (sse_tx - var_tx < dc_thr || sse == var) 586 x->skip_txfm[0] = SKIP_TXFM_AC_DC; 587 } else { 588 if (sse_tx - var_tx < dc_thr || sse == var) skip_dc = 1; 589 } 590 } 591 592 if (x->skip_txfm[0] == SKIP_TXFM_AC_DC) { 593 *out_rate_sum = 0; 594 *out_dist_sum = sse << 4; 595 return; 596 } 597 598 if (!skip_dc) { 599 #if CONFIG_VP9_HIGHBITDEPTH 600 vp9_model_rd_from_var_lapndz(sse - var, num_pels_log2_lookup[bsize], 601 dc_quant >> (xd->bd - 5), &rate, &dist); 602 #else 603 vp9_model_rd_from_var_lapndz(sse - var, num_pels_log2_lookup[bsize], 604 dc_quant >> 3, &rate, &dist); 605 #endif // CONFIG_VP9_HIGHBITDEPTH 606 } 607 608 if (!skip_dc) { 609 *out_rate_sum = rate >> 1; 610 *out_dist_sum = dist << 3; 611 } else { 612 *out_rate_sum = 0; 613 *out_dist_sum = (sse - var) << 4; 614 } 615 616 #if CONFIG_VP9_HIGHBITDEPTH 617 vp9_model_rd_from_var_lapndz(var, num_pels_log2_lookup[bsize], 618 ac_quant >> (xd->bd - 5), &rate, &dist); 619 #else 620 vp9_model_rd_from_var_lapndz(var, num_pels_log2_lookup[bsize], ac_quant >> 3, 621 &rate, &dist); 622 #endif // CONFIG_VP9_HIGHBITDEPTH 623 624 *out_rate_sum += rate; 625 *out_dist_sum += dist << 4; 626 } 627 628 static void block_yrd(VP9_COMP *cpi, MACROBLOCK *x, RD_COST *this_rdc, 629 int *skippable, int64_t *sse, BLOCK_SIZE bsize, 630 TX_SIZE tx_size, int rd_computed) { 631 MACROBLOCKD *xd = &x->e_mbd; 632 const struct macroblockd_plane *pd = &xd->plane[0]; 633 struct macroblock_plane *const p = &x->plane[0]; 634 const int num_4x4_w = num_4x4_blocks_wide_lookup[bsize]; 635 const int num_4x4_h = num_4x4_blocks_high_lookup[bsize]; 636 const int step = 1 << (tx_size << 1); 637 const int block_step = (1 << tx_size); 638 int block = 0, r, c; 639 const int max_blocks_wide = 640 num_4x4_w + (xd->mb_to_right_edge >= 0 ? 0 : xd->mb_to_right_edge >> 5); 641 const int max_blocks_high = 642 num_4x4_h + (xd->mb_to_bottom_edge >= 0 ? 0 : xd->mb_to_bottom_edge >> 5); 643 int eob_cost = 0; 644 const int bw = 4 * num_4x4_w; 645 const int bh = 4 * num_4x4_h; 646 647 #if CONFIG_VP9_HIGHBITDEPTH 648 // TODO(jingning): Implement the high bit-depth Hadamard transforms and 649 // remove this check condition. 650 // TODO(marpan): Use this path (model_rd) for 8bit under certain conditions 651 // for now, as the vp9_quantize_fp below for highbitdepth build is slow. 652 if (xd->bd != 8 || 653 (cpi->oxcf.speed > 5 && cpi->common.frame_type != KEY_FRAME && 654 bsize < BLOCK_32X32)) { 655 unsigned int var_y, sse_y; 656 (void)tx_size; 657 if (!rd_computed) 658 model_rd_for_sb_y(cpi, bsize, x, xd, &this_rdc->rate, &this_rdc->dist, 659 &var_y, &sse_y); 660 *sse = INT_MAX; 661 *skippable = 0; 662 return; 663 } 664 #endif 665 666 if (cpi->sf.use_simple_block_yrd && cpi->common.frame_type != KEY_FRAME && 667 bsize < BLOCK_32X32) { 668 unsigned int var_y, sse_y; 669 (void)tx_size; 670 if (!rd_computed) 671 model_rd_for_sb_y(cpi, bsize, x, xd, &this_rdc->rate, &this_rdc->dist, 672 &var_y, &sse_y); 673 *sse = INT_MAX; 674 *skippable = 0; 675 return; 676 } 677 678 (void)cpi; 679 680 // The max tx_size passed in is TX_16X16. 681 assert(tx_size != TX_32X32); 682 683 vpx_subtract_block(bh, bw, p->src_diff, bw, p->src.buf, p->src.stride, 684 pd->dst.buf, pd->dst.stride); 685 *skippable = 1; 686 // Keep track of the row and column of the blocks we use so that we know 687 // if we are in the unrestricted motion border. 688 for (r = 0; r < max_blocks_high; r += block_step) { 689 for (c = 0; c < num_4x4_w; c += block_step) { 690 if (c < max_blocks_wide) { 691 const scan_order *const scan_order = &vp9_default_scan_orders[tx_size]; 692 tran_low_t *const coeff = BLOCK_OFFSET(p->coeff, block); 693 tran_low_t *const qcoeff = BLOCK_OFFSET(p->qcoeff, block); 694 tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block); 695 uint16_t *const eob = &p->eobs[block]; 696 const int diff_stride = bw; 697 const int16_t *src_diff; 698 src_diff = &p->src_diff[(r * diff_stride + c) << 2]; 699 700 switch (tx_size) { 701 case TX_16X16: 702 vpx_hadamard_16x16(src_diff, diff_stride, coeff); 703 vp9_quantize_fp(coeff, 256, x->skip_block, p->round_fp, p->quant_fp, 704 qcoeff, dqcoeff, pd->dequant, eob, scan_order->scan, 705 scan_order->iscan); 706 break; 707 case TX_8X8: 708 vpx_hadamard_8x8(src_diff, diff_stride, coeff); 709 vp9_quantize_fp(coeff, 64, x->skip_block, p->round_fp, p->quant_fp, 710 qcoeff, dqcoeff, pd->dequant, eob, scan_order->scan, 711 scan_order->iscan); 712 break; 713 case TX_4X4: 714 x->fwd_txm4x4(src_diff, coeff, diff_stride); 715 vp9_quantize_fp(coeff, 16, x->skip_block, p->round_fp, p->quant_fp, 716 qcoeff, dqcoeff, pd->dequant, eob, scan_order->scan, 717 scan_order->iscan); 718 break; 719 default: assert(0); break; 720 } 721 *skippable &= (*eob == 0); 722 eob_cost += 1; 723 } 724 block += step; 725 } 726 } 727 728 this_rdc->rate = 0; 729 if (*sse < INT64_MAX) { 730 *sse = (*sse << 6) >> 2; 731 if (*skippable) { 732 this_rdc->dist = *sse; 733 return; 734 } 735 } 736 737 block = 0; 738 this_rdc->dist = 0; 739 for (r = 0; r < max_blocks_high; r += block_step) { 740 for (c = 0; c < num_4x4_w; c += block_step) { 741 if (c < max_blocks_wide) { 742 tran_low_t *const coeff = BLOCK_OFFSET(p->coeff, block); 743 tran_low_t *const qcoeff = BLOCK_OFFSET(p->qcoeff, block); 744 tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block); 745 uint16_t *const eob = &p->eobs[block]; 746 747 if (*eob == 1) 748 this_rdc->rate += (int)abs(qcoeff[0]); 749 else if (*eob > 1) 750 this_rdc->rate += vpx_satd(qcoeff, step << 4); 751 752 this_rdc->dist += vp9_block_error_fp(coeff, dqcoeff, step << 4) >> 2; 753 } 754 block += step; 755 } 756 } 757 758 // If skippable is set, rate gets clobbered later. 759 this_rdc->rate <<= (2 + VP9_PROB_COST_SHIFT); 760 this_rdc->rate += (eob_cost << VP9_PROB_COST_SHIFT); 761 } 762 763 static void model_rd_for_sb_uv(VP9_COMP *cpi, BLOCK_SIZE plane_bsize, 764 MACROBLOCK *x, MACROBLOCKD *xd, 765 RD_COST *this_rdc, unsigned int *var_y, 766 unsigned int *sse_y, int start_plane, 767 int stop_plane) { 768 // Note our transform coeffs are 8 times an orthogonal transform. 769 // Hence quantizer step is also 8 times. To get effective quantizer 770 // we need to divide by 8 before sending to modeling function. 771 unsigned int sse; 772 int rate; 773 int64_t dist; 774 int i; 775 #if CONFIG_VP9_HIGHBITDEPTH 776 uint64_t tot_var = *var_y; 777 uint64_t tot_sse = *sse_y; 778 #else 779 uint32_t tot_var = *var_y; 780 uint32_t tot_sse = *sse_y; 781 #endif 782 783 this_rdc->rate = 0; 784 this_rdc->dist = 0; 785 786 for (i = start_plane; i <= stop_plane; ++i) { 787 struct macroblock_plane *const p = &x->plane[i]; 788 struct macroblockd_plane *const pd = &xd->plane[i]; 789 const uint32_t dc_quant = pd->dequant[0]; 790 const uint32_t ac_quant = pd->dequant[1]; 791 const BLOCK_SIZE bs = plane_bsize; 792 unsigned int var; 793 if (!x->color_sensitivity[i - 1]) continue; 794 795 var = cpi->fn_ptr[bs].vf(p->src.buf, p->src.stride, pd->dst.buf, 796 pd->dst.stride, &sse); 797 assert(sse >= var); 798 tot_var += var; 799 tot_sse += sse; 800 801 #if CONFIG_VP9_HIGHBITDEPTH 802 vp9_model_rd_from_var_lapndz(sse - var, num_pels_log2_lookup[bs], 803 dc_quant >> (xd->bd - 5), &rate, &dist); 804 #else 805 vp9_model_rd_from_var_lapndz(sse - var, num_pels_log2_lookup[bs], 806 dc_quant >> 3, &rate, &dist); 807 #endif // CONFIG_VP9_HIGHBITDEPTH 808 809 this_rdc->rate += rate >> 1; 810 this_rdc->dist += dist << 3; 811 812 #if CONFIG_VP9_HIGHBITDEPTH 813 vp9_model_rd_from_var_lapndz(var, num_pels_log2_lookup[bs], 814 ac_quant >> (xd->bd - 5), &rate, &dist); 815 #else 816 vp9_model_rd_from_var_lapndz(var, num_pels_log2_lookup[bs], ac_quant >> 3, 817 &rate, &dist); 818 #endif // CONFIG_VP9_HIGHBITDEPTH 819 820 this_rdc->rate += rate; 821 this_rdc->dist += dist << 4; 822 } 823 824 #if CONFIG_VP9_HIGHBITDEPTH 825 *var_y = tot_var > UINT32_MAX ? UINT32_MAX : (uint32_t)tot_var; 826 *sse_y = tot_sse > UINT32_MAX ? UINT32_MAX : (uint32_t)tot_sse; 827 #else 828 *var_y = tot_var; 829 *sse_y = tot_sse; 830 #endif 831 } 832 833 static int get_pred_buffer(PRED_BUFFER *p, int len) { 834 int i; 835 836 for (i = 0; i < len; i++) { 837 if (!p[i].in_use) { 838 p[i].in_use = 1; 839 return i; 840 } 841 } 842 return -1; 843 } 844 845 static void free_pred_buffer(PRED_BUFFER *p) { 846 if (p != NULL) p->in_use = 0; 847 } 848 849 static void encode_breakout_test(VP9_COMP *cpi, MACROBLOCK *x, BLOCK_SIZE bsize, 850 int mi_row, int mi_col, 851 MV_REFERENCE_FRAME ref_frame, 852 PREDICTION_MODE this_mode, unsigned int var_y, 853 unsigned int sse_y, 854 struct buf_2d yv12_mb[][MAX_MB_PLANE], 855 int *rate, int64_t *dist) { 856 MACROBLOCKD *xd = &x->e_mbd; 857 MODE_INFO *const mi = xd->mi[0]; 858 const BLOCK_SIZE uv_size = get_plane_block_size(bsize, &xd->plane[1]); 859 unsigned int var = var_y, sse = sse_y; 860 // Skipping threshold for ac. 861 unsigned int thresh_ac; 862 // Skipping threshold for dc. 863 unsigned int thresh_dc; 864 int motion_low = 1; 865 if (mi->mv[0].as_mv.row > 64 || mi->mv[0].as_mv.row < -64 || 866 mi->mv[0].as_mv.col > 64 || mi->mv[0].as_mv.col < -64) 867 motion_low = 0; 868 if (x->encode_breakout > 0 && motion_low == 1) { 869 // Set a maximum for threshold to avoid big PSNR loss in low bit rate 870 // case. Use extreme low threshold for static frames to limit 871 // skipping. 872 const unsigned int max_thresh = 36000; 873 // The encode_breakout input 874 const unsigned int min_thresh = 875 VPXMIN(((unsigned int)x->encode_breakout << 4), max_thresh); 876 #if CONFIG_VP9_HIGHBITDEPTH 877 const int shift = (xd->bd << 1) - 16; 878 #endif 879 880 // Calculate threshold according to dequant value. 881 thresh_ac = (xd->plane[0].dequant[1] * xd->plane[0].dequant[1]) >> 3; 882 #if CONFIG_VP9_HIGHBITDEPTH 883 if ((xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) && shift > 0) { 884 thresh_ac = ROUND_POWER_OF_TWO(thresh_ac, shift); 885 } 886 #endif // CONFIG_VP9_HIGHBITDEPTH 887 thresh_ac = clamp(thresh_ac, min_thresh, max_thresh); 888 889 // Adjust ac threshold according to partition size. 890 thresh_ac >>= 891 8 - (b_width_log2_lookup[bsize] + b_height_log2_lookup[bsize]); 892 893 thresh_dc = (xd->plane[0].dequant[0] * xd->plane[0].dequant[0] >> 6); 894 #if CONFIG_VP9_HIGHBITDEPTH 895 if ((xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) && shift > 0) { 896 thresh_dc = ROUND_POWER_OF_TWO(thresh_dc, shift); 897 } 898 #endif // CONFIG_VP9_HIGHBITDEPTH 899 } else { 900 thresh_ac = 0; 901 thresh_dc = 0; 902 } 903 904 // Y skipping condition checking for ac and dc. 905 if (var <= thresh_ac && (sse - var) <= thresh_dc) { 906 unsigned int sse_u, sse_v; 907 unsigned int var_u, var_v; 908 unsigned int thresh_ac_uv = thresh_ac; 909 unsigned int thresh_dc_uv = thresh_dc; 910 if (x->sb_is_skin) { 911 thresh_ac_uv = 0; 912 thresh_dc_uv = 0; 913 } 914 915 // Skip UV prediction unless breakout is zero (lossless) to save 916 // computation with low impact on the result 917 if (x->encode_breakout == 0) { 918 xd->plane[1].pre[0] = yv12_mb[ref_frame][1]; 919 xd->plane[2].pre[0] = yv12_mb[ref_frame][2]; 920 vp9_build_inter_predictors_sbuv(xd, mi_row, mi_col, bsize); 921 } 922 923 var_u = cpi->fn_ptr[uv_size].vf(x->plane[1].src.buf, x->plane[1].src.stride, 924 xd->plane[1].dst.buf, 925 xd->plane[1].dst.stride, &sse_u); 926 927 // U skipping condition checking 928 if (((var_u << 2) <= thresh_ac_uv) && (sse_u - var_u <= thresh_dc_uv)) { 929 var_v = cpi->fn_ptr[uv_size].vf( 930 x->plane[2].src.buf, x->plane[2].src.stride, xd->plane[2].dst.buf, 931 xd->plane[2].dst.stride, &sse_v); 932 933 // V skipping condition checking 934 if (((var_v << 2) <= thresh_ac_uv) && (sse_v - var_v <= thresh_dc_uv)) { 935 x->skip = 1; 936 937 // The cost of skip bit needs to be added. 938 *rate = cpi->inter_mode_cost[x->mbmi_ext->mode_context[ref_frame]] 939 [INTER_OFFSET(this_mode)]; 940 941 // More on this part of rate 942 // rate += vp9_cost_bit(vp9_get_skip_prob(cm, xd), 1); 943 944 // Scaling factor for SSE from spatial domain to frequency 945 // domain is 16. Adjust distortion accordingly. 946 // TODO(yunqingwang): In this function, only y-plane dist is 947 // calculated. 948 *dist = (sse << 4); // + ((sse_u + sse_v) << 4); 949 950 // *disable_skip = 1; 951 } 952 } 953 } 954 } 955 956 struct estimate_block_intra_args { 957 VP9_COMP *cpi; 958 MACROBLOCK *x; 959 PREDICTION_MODE mode; 960 int skippable; 961 RD_COST *rdc; 962 }; 963 964 static void estimate_block_intra(int plane, int block, int row, int col, 965 BLOCK_SIZE plane_bsize, TX_SIZE tx_size, 966 void *arg) { 967 struct estimate_block_intra_args *const args = arg; 968 VP9_COMP *const cpi = args->cpi; 969 MACROBLOCK *const x = args->x; 970 MACROBLOCKD *const xd = &x->e_mbd; 971 struct macroblock_plane *const p = &x->plane[0]; 972 struct macroblockd_plane *const pd = &xd->plane[0]; 973 const BLOCK_SIZE bsize_tx = txsize_to_bsize[tx_size]; 974 uint8_t *const src_buf_base = p->src.buf; 975 uint8_t *const dst_buf_base = pd->dst.buf; 976 const int src_stride = p->src.stride; 977 const int dst_stride = pd->dst.stride; 978 RD_COST this_rdc; 979 980 (void)block; 981 982 p->src.buf = &src_buf_base[4 * (row * src_stride + col)]; 983 pd->dst.buf = &dst_buf_base[4 * (row * dst_stride + col)]; 984 // Use source buffer as an approximation for the fully reconstructed buffer. 985 vp9_predict_intra_block(xd, b_width_log2_lookup[plane_bsize], tx_size, 986 args->mode, x->skip_encode ? p->src.buf : pd->dst.buf, 987 x->skip_encode ? src_stride : dst_stride, pd->dst.buf, 988 dst_stride, col, row, plane); 989 990 if (plane == 0) { 991 int64_t this_sse = INT64_MAX; 992 // TODO(jingning): This needs further refactoring. 993 block_yrd(cpi, x, &this_rdc, &args->skippable, &this_sse, bsize_tx, 994 VPXMIN(tx_size, TX_16X16), 0); 995 } else { 996 unsigned int var = 0; 997 unsigned int sse = 0; 998 model_rd_for_sb_uv(cpi, plane_bsize, x, xd, &this_rdc, &var, &sse, plane, 999 plane); 1000 } 1001 1002 p->src.buf = src_buf_base; 1003 pd->dst.buf = dst_buf_base; 1004 args->rdc->rate += this_rdc.rate; 1005 args->rdc->dist += this_rdc.dist; 1006 } 1007 1008 static const THR_MODES mode_idx[MAX_REF_FRAMES][4] = { 1009 { THR_DC, THR_V_PRED, THR_H_PRED, THR_TM }, 1010 { THR_NEARESTMV, THR_NEARMV, THR_ZEROMV, THR_NEWMV }, 1011 { THR_NEARESTG, THR_NEARG, THR_ZEROG, THR_NEWG }, 1012 { THR_NEARESTA, THR_NEARA, THR_ZEROA, THR_NEWA }, 1013 }; 1014 1015 static const PREDICTION_MODE intra_mode_list[] = { DC_PRED, V_PRED, H_PRED, 1016 TM_PRED }; 1017 1018 static int mode_offset(const PREDICTION_MODE mode) { 1019 if (mode >= NEARESTMV) { 1020 return INTER_OFFSET(mode); 1021 } else { 1022 switch (mode) { 1023 case DC_PRED: return 0; 1024 case V_PRED: return 1; 1025 case H_PRED: return 2; 1026 case TM_PRED: return 3; 1027 default: return -1; 1028 } 1029 } 1030 } 1031 1032 static INLINE int rd_less_than_thresh_row_mt(int64_t best_rd, int thresh, 1033 const int *const thresh_fact) { 1034 int is_rd_less_than_thresh; 1035 is_rd_less_than_thresh = 1036 best_rd < ((int64_t)thresh * (*thresh_fact) >> 5) || thresh == INT_MAX; 1037 return is_rd_less_than_thresh; 1038 } 1039 1040 static INLINE void update_thresh_freq_fact_row_mt( 1041 VP9_COMP *cpi, TileDataEnc *tile_data, int source_variance, 1042 int thresh_freq_fact_idx, MV_REFERENCE_FRAME ref_frame, 1043 THR_MODES best_mode_idx, PREDICTION_MODE mode) { 1044 THR_MODES thr_mode_idx = mode_idx[ref_frame][mode_offset(mode)]; 1045 int freq_fact_idx = thresh_freq_fact_idx + thr_mode_idx; 1046 int *freq_fact = &tile_data->row_base_thresh_freq_fact[freq_fact_idx]; 1047 if (thr_mode_idx == best_mode_idx) 1048 *freq_fact -= (*freq_fact >> 4); 1049 else if (cpi->sf.limit_newmv_early_exit && mode == NEWMV && 1050 ref_frame == LAST_FRAME && source_variance < 5) { 1051 *freq_fact = VPXMIN(*freq_fact + RD_THRESH_INC, 32); 1052 } else { 1053 *freq_fact = VPXMIN(*freq_fact + RD_THRESH_INC, 1054 cpi->sf.adaptive_rd_thresh * RD_THRESH_MAX_FACT); 1055 } 1056 } 1057 1058 static INLINE void update_thresh_freq_fact( 1059 VP9_COMP *cpi, TileDataEnc *tile_data, int source_variance, 1060 BLOCK_SIZE bsize, MV_REFERENCE_FRAME ref_frame, THR_MODES best_mode_idx, 1061 PREDICTION_MODE mode) { 1062 THR_MODES thr_mode_idx = mode_idx[ref_frame][mode_offset(mode)]; 1063 int *freq_fact = &tile_data->thresh_freq_fact[bsize][thr_mode_idx]; 1064 if (thr_mode_idx == best_mode_idx) 1065 *freq_fact -= (*freq_fact >> 4); 1066 else if (cpi->sf.limit_newmv_early_exit && mode == NEWMV && 1067 ref_frame == LAST_FRAME && source_variance < 5) { 1068 *freq_fact = VPXMIN(*freq_fact + RD_THRESH_INC, 32); 1069 } else { 1070 *freq_fact = VPXMIN(*freq_fact + RD_THRESH_INC, 1071 cpi->sf.adaptive_rd_thresh * RD_THRESH_MAX_FACT); 1072 } 1073 } 1074 1075 void vp9_pick_intra_mode(VP9_COMP *cpi, MACROBLOCK *x, RD_COST *rd_cost, 1076 BLOCK_SIZE bsize, PICK_MODE_CONTEXT *ctx) { 1077 MACROBLOCKD *const xd = &x->e_mbd; 1078 MODE_INFO *const mi = xd->mi[0]; 1079 RD_COST this_rdc, best_rdc; 1080 PREDICTION_MODE this_mode; 1081 struct estimate_block_intra_args args = { cpi, x, DC_PRED, 1, 0 }; 1082 const TX_SIZE intra_tx_size = 1083 VPXMIN(max_txsize_lookup[bsize], 1084 tx_mode_to_biggest_tx_size[cpi->common.tx_mode]); 1085 MODE_INFO *const mic = xd->mi[0]; 1086 int *bmode_costs; 1087 const MODE_INFO *above_mi = xd->above_mi; 1088 const MODE_INFO *left_mi = xd->left_mi; 1089 const PREDICTION_MODE A = vp9_above_block_mode(mic, above_mi, 0); 1090 const PREDICTION_MODE L = vp9_left_block_mode(mic, left_mi, 0); 1091 bmode_costs = cpi->y_mode_costs[A][L]; 1092 1093 (void)ctx; 1094 vp9_rd_cost_reset(&best_rdc); 1095 vp9_rd_cost_reset(&this_rdc); 1096 1097 mi->ref_frame[0] = INTRA_FRAME; 1098 // Initialize interp_filter here so we do not have to check for inter block 1099 // modes in get_pred_context_switchable_interp() 1100 mi->interp_filter = SWITCHABLE_FILTERS; 1101 1102 mi->mv[0].as_int = INVALID_MV; 1103 mi->uv_mode = DC_PRED; 1104 memset(x->skip_txfm, 0, sizeof(x->skip_txfm)); 1105 1106 // Change the limit of this loop to add other intra prediction 1107 // mode tests. 1108 for (this_mode = DC_PRED; this_mode <= H_PRED; ++this_mode) { 1109 this_rdc.dist = this_rdc.rate = 0; 1110 args.mode = this_mode; 1111 args.skippable = 1; 1112 args.rdc = &this_rdc; 1113 mi->tx_size = intra_tx_size; 1114 vp9_foreach_transformed_block_in_plane(xd, bsize, 0, estimate_block_intra, 1115 &args); 1116 if (args.skippable) { 1117 x->skip_txfm[0] = SKIP_TXFM_AC_DC; 1118 this_rdc.rate = vp9_cost_bit(vp9_get_skip_prob(&cpi->common, xd), 1); 1119 } else { 1120 x->skip_txfm[0] = SKIP_TXFM_NONE; 1121 this_rdc.rate += vp9_cost_bit(vp9_get_skip_prob(&cpi->common, xd), 0); 1122 } 1123 this_rdc.rate += bmode_costs[this_mode]; 1124 this_rdc.rdcost = RDCOST(x->rdmult, x->rddiv, this_rdc.rate, this_rdc.dist); 1125 1126 if (this_rdc.rdcost < best_rdc.rdcost) { 1127 best_rdc = this_rdc; 1128 mi->mode = this_mode; 1129 } 1130 } 1131 1132 *rd_cost = best_rdc; 1133 } 1134 1135 static void init_ref_frame_cost(VP9_COMMON *const cm, MACROBLOCKD *const xd, 1136 int ref_frame_cost[MAX_REF_FRAMES]) { 1137 vpx_prob intra_inter_p = vp9_get_intra_inter_prob(cm, xd); 1138 vpx_prob ref_single_p1 = vp9_get_pred_prob_single_ref_p1(cm, xd); 1139 vpx_prob ref_single_p2 = vp9_get_pred_prob_single_ref_p2(cm, xd); 1140 1141 ref_frame_cost[INTRA_FRAME] = vp9_cost_bit(intra_inter_p, 0); 1142 ref_frame_cost[LAST_FRAME] = ref_frame_cost[GOLDEN_FRAME] = 1143 ref_frame_cost[ALTREF_FRAME] = vp9_cost_bit(intra_inter_p, 1); 1144 1145 ref_frame_cost[LAST_FRAME] += vp9_cost_bit(ref_single_p1, 0); 1146 ref_frame_cost[GOLDEN_FRAME] += vp9_cost_bit(ref_single_p1, 1); 1147 ref_frame_cost[ALTREF_FRAME] += vp9_cost_bit(ref_single_p1, 1); 1148 ref_frame_cost[GOLDEN_FRAME] += vp9_cost_bit(ref_single_p2, 0); 1149 ref_frame_cost[ALTREF_FRAME] += vp9_cost_bit(ref_single_p2, 1); 1150 } 1151 1152 typedef struct { 1153 MV_REFERENCE_FRAME ref_frame; 1154 PREDICTION_MODE pred_mode; 1155 } REF_MODE; 1156 1157 #define RT_INTER_MODES 12 1158 static const REF_MODE ref_mode_set[RT_INTER_MODES] = { 1159 { LAST_FRAME, ZEROMV }, { LAST_FRAME, NEARESTMV }, 1160 { GOLDEN_FRAME, ZEROMV }, { LAST_FRAME, NEARMV }, 1161 { LAST_FRAME, NEWMV }, { GOLDEN_FRAME, NEARESTMV }, 1162 { GOLDEN_FRAME, NEARMV }, { GOLDEN_FRAME, NEWMV }, 1163 { ALTREF_FRAME, ZEROMV }, { ALTREF_FRAME, NEARESTMV }, 1164 { ALTREF_FRAME, NEARMV }, { ALTREF_FRAME, NEWMV } 1165 }; 1166 static const REF_MODE ref_mode_set_svc[RT_INTER_MODES] = { 1167 { LAST_FRAME, ZEROMV }, { LAST_FRAME, NEARESTMV }, 1168 { LAST_FRAME, NEARMV }, { GOLDEN_FRAME, ZEROMV }, 1169 { GOLDEN_FRAME, NEARESTMV }, { GOLDEN_FRAME, NEARMV }, 1170 { LAST_FRAME, NEWMV }, { GOLDEN_FRAME, NEWMV } 1171 }; 1172 1173 static int set_intra_cost_penalty(const VP9_COMP *const cpi, BLOCK_SIZE bsize) { 1174 const VP9_COMMON *const cm = &cpi->common; 1175 // Reduce the intra cost penalty for small blocks (<=16x16). 1176 int reduction_fac = 1177 (bsize <= BLOCK_16X16) ? ((bsize <= BLOCK_8X8) ? 4 : 2) : 0; 1178 if (cpi->noise_estimate.enabled && cpi->noise_estimate.level == kHigh) 1179 // Don't reduce intra cost penalty if estimated noise level is high. 1180 reduction_fac = 0; 1181 return vp9_get_intra_cost_penalty(cm->base_qindex, cm->y_dc_delta_q, 1182 cm->bit_depth) >> 1183 reduction_fac; 1184 } 1185 1186 static INLINE void find_predictors( 1187 VP9_COMP *cpi, MACROBLOCK *x, MV_REFERENCE_FRAME ref_frame, 1188 int_mv frame_mv[MB_MODE_COUNT][MAX_REF_FRAMES], 1189 int const_motion[MAX_REF_FRAMES], int *ref_frame_skip_mask, 1190 const int flag_list[4], TileDataEnc *tile_data, int mi_row, int mi_col, 1191 struct buf_2d yv12_mb[4][MAX_MB_PLANE], BLOCK_SIZE bsize, 1192 int force_skip_low_temp_var) { 1193 VP9_COMMON *const cm = &cpi->common; 1194 MACROBLOCKD *const xd = &x->e_mbd; 1195 const YV12_BUFFER_CONFIG *yv12 = get_ref_frame_buffer(cpi, ref_frame); 1196 TileInfo *const tile_info = &tile_data->tile_info; 1197 // TODO(jingning) placeholder for inter-frame non-RD mode decision. 1198 x->pred_mv_sad[ref_frame] = INT_MAX; 1199 frame_mv[NEWMV][ref_frame].as_int = INVALID_MV; 1200 frame_mv[ZEROMV][ref_frame].as_int = 0; 1201 // this needs various further optimizations. to be continued.. 1202 if ((cpi->ref_frame_flags & flag_list[ref_frame]) && (yv12 != NULL)) { 1203 int_mv *const candidates = x->mbmi_ext->ref_mvs[ref_frame]; 1204 const struct scale_factors *const sf = &cm->frame_refs[ref_frame - 1].sf; 1205 vp9_setup_pred_block(xd, yv12_mb[ref_frame], yv12, mi_row, mi_col, sf, sf); 1206 if (cm->use_prev_frame_mvs) { 1207 vp9_find_mv_refs(cm, xd, xd->mi[0], ref_frame, candidates, mi_row, mi_col, 1208 x->mbmi_ext->mode_context); 1209 } else { 1210 const_motion[ref_frame] = 1211 mv_refs_rt(cpi, cm, x, xd, tile_info, xd->mi[0], ref_frame, 1212 candidates, &frame_mv[NEWMV][ref_frame], mi_row, mi_col, 1213 (int)(cpi->svc.use_base_mv && cpi->svc.spatial_layer_id)); 1214 } 1215 vp9_find_best_ref_mvs(xd, cm->allow_high_precision_mv, candidates, 1216 &frame_mv[NEARESTMV][ref_frame], 1217 &frame_mv[NEARMV][ref_frame]); 1218 // Early exit for golden frame if force_skip_low_temp_var is set. 1219 if (!vp9_is_scaled(sf) && bsize >= BLOCK_8X8 && 1220 !(force_skip_low_temp_var && ref_frame == GOLDEN_FRAME)) { 1221 vp9_mv_pred(cpi, x, yv12_mb[ref_frame][0].buf, yv12->y_stride, ref_frame, 1222 bsize); 1223 } 1224 } else { 1225 *ref_frame_skip_mask |= (1 << ref_frame); 1226 } 1227 } 1228 1229 static void vp9_NEWMV_diff_bias(const NOISE_ESTIMATE *ne, MACROBLOCKD *xd, 1230 PREDICTION_MODE this_mode, RD_COST *this_rdc, 1231 BLOCK_SIZE bsize, int mv_row, int mv_col, 1232 int is_last_frame, int lowvar_highsumdiff, 1233 int is_skin) { 1234 // Bias against MVs associated with NEWMV mode that are very different from 1235 // top/left neighbors. 1236 if (this_mode == NEWMV) { 1237 int al_mv_average_row; 1238 int al_mv_average_col; 1239 int left_row, left_col; 1240 int row_diff, col_diff; 1241 int above_mv_valid = 0; 1242 int left_mv_valid = 0; 1243 int above_row = 0; 1244 int above_col = 0; 1245 1246 if (xd->above_mi) { 1247 above_mv_valid = xd->above_mi->mv[0].as_int != INVALID_MV; 1248 above_row = xd->above_mi->mv[0].as_mv.row; 1249 above_col = xd->above_mi->mv[0].as_mv.col; 1250 } 1251 if (xd->left_mi) { 1252 left_mv_valid = xd->left_mi->mv[0].as_int != INVALID_MV; 1253 left_row = xd->left_mi->mv[0].as_mv.row; 1254 left_col = xd->left_mi->mv[0].as_mv.col; 1255 } 1256 if (above_mv_valid && left_mv_valid) { 1257 al_mv_average_row = (above_row + left_row + 1) >> 1; 1258 al_mv_average_col = (above_col + left_col + 1) >> 1; 1259 } else if (above_mv_valid) { 1260 al_mv_average_row = above_row; 1261 al_mv_average_col = above_col; 1262 } else if (left_mv_valid) { 1263 al_mv_average_row = left_row; 1264 al_mv_average_col = left_col; 1265 } else { 1266 al_mv_average_row = al_mv_average_col = 0; 1267 } 1268 row_diff = (al_mv_average_row - mv_row); 1269 col_diff = (al_mv_average_col - mv_col); 1270 if (row_diff > 48 || row_diff < -48 || col_diff > 48 || col_diff < -48) { 1271 if (bsize > BLOCK_32X32) 1272 this_rdc->rdcost = this_rdc->rdcost << 1; 1273 else 1274 this_rdc->rdcost = 3 * this_rdc->rdcost >> 1; 1275 } 1276 } 1277 // If noise estimation is enabled, and estimated level is above threshold, 1278 // add a bias to LAST reference with small motion, for large blocks. 1279 if (ne->enabled && ne->level >= kMedium && bsize >= BLOCK_32X32 && 1280 is_last_frame && mv_row < 8 && mv_row > -8 && mv_col < 8 && mv_col > -8) 1281 this_rdc->rdcost = 7 * (this_rdc->rdcost >> 3); 1282 else if (lowvar_highsumdiff && !is_skin && bsize >= BLOCK_16X16 && 1283 is_last_frame && mv_row < 16 && mv_row > -16 && mv_col < 16 && 1284 mv_col > -16) 1285 this_rdc->rdcost = 7 * (this_rdc->rdcost >> 3); 1286 } 1287 1288 #if CONFIG_VP9_TEMPORAL_DENOISING 1289 static void vp9_pickmode_ctx_den_update( 1290 VP9_PICKMODE_CTX_DEN *ctx_den, int64_t zero_last_cost_orig, 1291 int ref_frame_cost[MAX_REF_FRAMES], 1292 int_mv frame_mv[MB_MODE_COUNT][MAX_REF_FRAMES], int reuse_inter_pred, 1293 TX_SIZE best_tx_size, PREDICTION_MODE best_mode, 1294 MV_REFERENCE_FRAME best_ref_frame, INTERP_FILTER best_pred_filter, 1295 uint8_t best_mode_skip_txfm) { 1296 ctx_den->zero_last_cost_orig = zero_last_cost_orig; 1297 ctx_den->ref_frame_cost = ref_frame_cost; 1298 ctx_den->frame_mv = frame_mv; 1299 ctx_den->reuse_inter_pred = reuse_inter_pred; 1300 ctx_den->best_tx_size = best_tx_size; 1301 ctx_den->best_mode = best_mode; 1302 ctx_den->best_ref_frame = best_ref_frame; 1303 ctx_den->best_pred_filter = best_pred_filter; 1304 ctx_den->best_mode_skip_txfm = best_mode_skip_txfm; 1305 } 1306 1307 static void recheck_zeromv_after_denoising( 1308 VP9_COMP *cpi, MODE_INFO *const mi, MACROBLOCK *x, MACROBLOCKD *const xd, 1309 VP9_DENOISER_DECISION decision, VP9_PICKMODE_CTX_DEN *ctx_den, 1310 struct buf_2d yv12_mb[4][MAX_MB_PLANE], RD_COST *best_rdc, BLOCK_SIZE bsize, 1311 int mi_row, int mi_col) { 1312 // If INTRA or GOLDEN reference was selected, re-evaluate ZEROMV on 1313 // denoised result. Only do this under noise conditions, and if rdcost of 1314 // ZEROMV onoriginal source is not significantly higher than rdcost of best 1315 // mode. 1316 if (cpi->noise_estimate.enabled && cpi->noise_estimate.level > kLow && 1317 ctx_den->zero_last_cost_orig < (best_rdc->rdcost << 3) && 1318 ((ctx_den->best_ref_frame == INTRA_FRAME && decision >= FILTER_BLOCK) || 1319 (ctx_den->best_ref_frame == GOLDEN_FRAME && 1320 cpi->svc.number_spatial_layers == 1 && 1321 decision == FILTER_ZEROMV_BLOCK))) { 1322 // Check if we should pick ZEROMV on denoised signal. 1323 int rate = 0; 1324 int64_t dist = 0; 1325 uint32_t var_y = UINT_MAX; 1326 uint32_t sse_y = UINT_MAX; 1327 RD_COST this_rdc; 1328 mi->mode = ZEROMV; 1329 mi->ref_frame[0] = LAST_FRAME; 1330 mi->ref_frame[1] = NONE; 1331 mi->mv[0].as_int = 0; 1332 mi->interp_filter = EIGHTTAP; 1333 xd->plane[0].pre[0] = yv12_mb[LAST_FRAME][0]; 1334 vp9_build_inter_predictors_sby(xd, mi_row, mi_col, bsize); 1335 model_rd_for_sb_y(cpi, bsize, x, xd, &rate, &dist, &var_y, &sse_y); 1336 this_rdc.rate = rate + ctx_den->ref_frame_cost[LAST_FRAME] + 1337 cpi->inter_mode_cost[x->mbmi_ext->mode_context[LAST_FRAME]] 1338 [INTER_OFFSET(ZEROMV)]; 1339 this_rdc.dist = dist; 1340 this_rdc.rdcost = RDCOST(x->rdmult, x->rddiv, rate, dist); 1341 // Don't switch to ZEROMV if the rdcost for ZEROMV on denoised source 1342 // is higher than best_ref mode (on original source). 1343 if (this_rdc.rdcost > best_rdc->rdcost) { 1344 this_rdc = *best_rdc; 1345 mi->mode = ctx_den->best_mode; 1346 mi->ref_frame[0] = ctx_den->best_ref_frame; 1347 mi->interp_filter = ctx_den->best_pred_filter; 1348 if (ctx_den->best_ref_frame == INTRA_FRAME) { 1349 mi->mv[0].as_int = INVALID_MV; 1350 mi->interp_filter = SWITCHABLE_FILTERS; 1351 } else if (ctx_den->best_ref_frame == GOLDEN_FRAME) { 1352 mi->mv[0].as_int = 1353 ctx_den->frame_mv[ctx_den->best_mode][ctx_den->best_ref_frame] 1354 .as_int; 1355 if (ctx_den->reuse_inter_pred) { 1356 xd->plane[0].pre[0] = yv12_mb[GOLDEN_FRAME][0]; 1357 vp9_build_inter_predictors_sby(xd, mi_row, mi_col, bsize); 1358 } 1359 } 1360 mi->tx_size = ctx_den->best_tx_size; 1361 x->skip_txfm[0] = ctx_den->best_mode_skip_txfm; 1362 } else { 1363 ctx_den->best_ref_frame = LAST_FRAME; 1364 *best_rdc = this_rdc; 1365 } 1366 } 1367 } 1368 #endif // CONFIG_VP9_TEMPORAL_DENOISING 1369 1370 static INLINE int get_force_skip_low_temp_var(uint8_t *variance_low, int mi_row, 1371 int mi_col, BLOCK_SIZE bsize) { 1372 const int i = (mi_row & 0x7) >> 1; 1373 const int j = (mi_col & 0x7) >> 1; 1374 int force_skip_low_temp_var = 0; 1375 // Set force_skip_low_temp_var based on the block size and block offset. 1376 if (bsize == BLOCK_64X64) { 1377 force_skip_low_temp_var = variance_low[0]; 1378 } else if (bsize == BLOCK_64X32) { 1379 if (!(mi_col & 0x7) && !(mi_row & 0x7)) { 1380 force_skip_low_temp_var = variance_low[1]; 1381 } else if (!(mi_col & 0x7) && (mi_row & 0x7)) { 1382 force_skip_low_temp_var = variance_low[2]; 1383 } 1384 } else if (bsize == BLOCK_32X64) { 1385 if (!(mi_col & 0x7) && !(mi_row & 0x7)) { 1386 force_skip_low_temp_var = variance_low[3]; 1387 } else if ((mi_col & 0x7) && !(mi_row & 0x7)) { 1388 force_skip_low_temp_var = variance_low[4]; 1389 } 1390 } else if (bsize == BLOCK_32X32) { 1391 if (!(mi_col & 0x7) && !(mi_row & 0x7)) { 1392 force_skip_low_temp_var = variance_low[5]; 1393 } else if ((mi_col & 0x7) && !(mi_row & 0x7)) { 1394 force_skip_low_temp_var = variance_low[6]; 1395 } else if (!(mi_col & 0x7) && (mi_row & 0x7)) { 1396 force_skip_low_temp_var = variance_low[7]; 1397 } else if ((mi_col & 0x7) && (mi_row & 0x7)) { 1398 force_skip_low_temp_var = variance_low[8]; 1399 } 1400 } else if (bsize == BLOCK_16X16) { 1401 force_skip_low_temp_var = variance_low[pos_shift_16x16[i][j]]; 1402 } else if (bsize == BLOCK_32X16) { 1403 // The col shift index for the second 16x16 block. 1404 const int j2 = ((mi_col + 2) & 0x7) >> 1; 1405 // Only if each 16x16 block inside has low temporal variance. 1406 force_skip_low_temp_var = variance_low[pos_shift_16x16[i][j]] && 1407 variance_low[pos_shift_16x16[i][j2]]; 1408 } else if (bsize == BLOCK_16X32) { 1409 // The row shift index for the second 16x16 block. 1410 const int i2 = ((mi_row + 2) & 0x7) >> 1; 1411 force_skip_low_temp_var = variance_low[pos_shift_16x16[i][j]] && 1412 variance_low[pos_shift_16x16[i2][j]]; 1413 } 1414 return force_skip_low_temp_var; 1415 } 1416 1417 void vp9_pick_inter_mode(VP9_COMP *cpi, MACROBLOCK *x, TileDataEnc *tile_data, 1418 int mi_row, int mi_col, RD_COST *rd_cost, 1419 BLOCK_SIZE bsize, PICK_MODE_CONTEXT *ctx) { 1420 VP9_COMMON *const cm = &cpi->common; 1421 SPEED_FEATURES *const sf = &cpi->sf; 1422 const SVC *const svc = &cpi->svc; 1423 MACROBLOCKD *const xd = &x->e_mbd; 1424 MODE_INFO *const mi = xd->mi[0]; 1425 struct macroblockd_plane *const pd = &xd->plane[0]; 1426 PREDICTION_MODE best_mode = ZEROMV; 1427 MV_REFERENCE_FRAME ref_frame, best_ref_frame = LAST_FRAME; 1428 MV_REFERENCE_FRAME usable_ref_frame; 1429 TX_SIZE best_tx_size = TX_SIZES; 1430 INTERP_FILTER best_pred_filter = EIGHTTAP; 1431 int_mv frame_mv[MB_MODE_COUNT][MAX_REF_FRAMES]; 1432 struct buf_2d yv12_mb[4][MAX_MB_PLANE]; 1433 static const int flag_list[4] = { 0, VP9_LAST_FLAG, VP9_GOLD_FLAG, 1434 VP9_ALT_FLAG }; 1435 RD_COST this_rdc, best_rdc; 1436 uint8_t skip_txfm = SKIP_TXFM_NONE, best_mode_skip_txfm = SKIP_TXFM_NONE; 1437 // var_y and sse_y are saved to be used in skipping checking 1438 unsigned int var_y = UINT_MAX; 1439 unsigned int sse_y = UINT_MAX; 1440 const int intra_cost_penalty = set_intra_cost_penalty(cpi, bsize); 1441 int64_t inter_mode_thresh = 1442 RDCOST(x->rdmult, x->rddiv, intra_cost_penalty, 0); 1443 const int *const rd_threshes = cpi->rd.threshes[mi->segment_id][bsize]; 1444 const int sb_row = mi_row >> MI_BLOCK_SIZE_LOG2; 1445 int thresh_freq_fact_idx = (sb_row * BLOCK_SIZES + bsize) * MAX_MODES; 1446 const int *const rd_thresh_freq_fact = 1447 (cpi->sf.adaptive_rd_thresh_row_mt) 1448 ? &(tile_data->row_base_thresh_freq_fact[thresh_freq_fact_idx]) 1449 : tile_data->thresh_freq_fact[bsize]; 1450 1451 INTERP_FILTER filter_ref; 1452 const int bsl = mi_width_log2_lookup[bsize]; 1453 const int pred_filter_search = 1454 cm->interp_filter == SWITCHABLE 1455 ? (((mi_row + mi_col) >> bsl) + 1456 get_chessboard_index(cm->current_video_frame)) & 1457 0x1 1458 : 0; 1459 int const_motion[MAX_REF_FRAMES] = { 0 }; 1460 const int bh = num_4x4_blocks_high_lookup[bsize] << 2; 1461 const int bw = num_4x4_blocks_wide_lookup[bsize] << 2; 1462 // For speed 6, the result of interp filter is reused later in actual encoding 1463 // process. 1464 // tmp[3] points to dst buffer, and the other 3 point to allocated buffers. 1465 PRED_BUFFER tmp[4]; 1466 DECLARE_ALIGNED(16, uint8_t, pred_buf[3 * 64 * 64]); 1467 #if CONFIG_VP9_HIGHBITDEPTH 1468 DECLARE_ALIGNED(16, uint16_t, pred_buf_16[3 * 64 * 64]); 1469 #endif 1470 struct buf_2d orig_dst = pd->dst; 1471 PRED_BUFFER *best_pred = NULL; 1472 PRED_BUFFER *this_mode_pred = NULL; 1473 const int pixels_in_block = bh * bw; 1474 int reuse_inter_pred = cpi->sf.reuse_inter_pred_sby && ctx->pred_pixel_ready; 1475 int ref_frame_skip_mask = 0; 1476 int idx; 1477 int best_pred_sad = INT_MAX; 1478 int best_early_term = 0; 1479 int ref_frame_cost[MAX_REF_FRAMES]; 1480 int svc_force_zero_mode[3] = { 0 }; 1481 int perform_intra_pred = 1; 1482 int use_golden_nonzeromv = 1; 1483 int force_skip_low_temp_var = 0; 1484 int skip_ref_find_pred[4] = { 0 }; 1485 unsigned int sse_zeromv_normalized = UINT_MAX; 1486 unsigned int thresh_svc_skip_golden = 500; 1487 #if CONFIG_VP9_TEMPORAL_DENOISING 1488 VP9_PICKMODE_CTX_DEN ctx_den; 1489 int64_t zero_last_cost_orig = INT64_MAX; 1490 int denoise_svc_pickmode = 1; 1491 #endif 1492 INTERP_FILTER filter_gf_svc = EIGHTTAP; 1493 1494 init_ref_frame_cost(cm, xd, ref_frame_cost); 1495 1496 if (reuse_inter_pred) { 1497 int i; 1498 for (i = 0; i < 3; i++) { 1499 #if CONFIG_VP9_HIGHBITDEPTH 1500 if (cm->use_highbitdepth) 1501 tmp[i].data = CONVERT_TO_BYTEPTR(&pred_buf_16[pixels_in_block * i]); 1502 else 1503 tmp[i].data = &pred_buf[pixels_in_block * i]; 1504 #else 1505 tmp[i].data = &pred_buf[pixels_in_block * i]; 1506 #endif // CONFIG_VP9_HIGHBITDEPTH 1507 tmp[i].stride = bw; 1508 tmp[i].in_use = 0; 1509 } 1510 tmp[3].data = pd->dst.buf; 1511 tmp[3].stride = pd->dst.stride; 1512 tmp[3].in_use = 0; 1513 } 1514 1515 x->skip_encode = cpi->sf.skip_encode_frame && x->q_index < QIDX_SKIP_THRESH; 1516 x->skip = 0; 1517 1518 // Instead of using vp9_get_pred_context_switchable_interp(xd) to assign 1519 // filter_ref, we use a less strict condition on assigning filter_ref. 1520 // This is to reduce the probabily of entering the flow of not assigning 1521 // filter_ref and then skip filter search. 1522 if (xd->above_mi && is_inter_block(xd->above_mi)) 1523 filter_ref = xd->above_mi->interp_filter; 1524 else if (xd->left_mi && is_inter_block(xd->left_mi)) 1525 filter_ref = xd->left_mi->interp_filter; 1526 else 1527 filter_ref = cm->interp_filter; 1528 1529 // initialize mode decisions 1530 vp9_rd_cost_reset(&best_rdc); 1531 vp9_rd_cost_reset(rd_cost); 1532 mi->sb_type = bsize; 1533 mi->ref_frame[0] = NONE; 1534 mi->ref_frame[1] = NONE; 1535 1536 mi->tx_size = 1537 VPXMIN(max_txsize_lookup[bsize], tx_mode_to_biggest_tx_size[cm->tx_mode]); 1538 1539 if (sf->short_circuit_flat_blocks || sf->limit_newmv_early_exit) { 1540 #if CONFIG_VP9_HIGHBITDEPTH 1541 if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) 1542 x->source_variance = vp9_high_get_sby_perpixel_variance( 1543 cpi, &x->plane[0].src, bsize, xd->bd); 1544 else 1545 #endif // CONFIG_VP9_HIGHBITDEPTH 1546 x->source_variance = 1547 vp9_get_sby_perpixel_variance(cpi, &x->plane[0].src, bsize); 1548 } 1549 1550 #if CONFIG_VP9_TEMPORAL_DENOISING 1551 if (cpi->oxcf.noise_sensitivity > 0) { 1552 if (cpi->use_svc) { 1553 int layer = LAYER_IDS_TO_IDX(cpi->svc.spatial_layer_id, 1554 cpi->svc.temporal_layer_id, 1555 cpi->svc.number_temporal_layers); 1556 LAYER_CONTEXT *lc = &cpi->svc.layer_context[layer]; 1557 denoise_svc_pickmode = denoise_svc(cpi) && !lc->is_key_frame; 1558 } 1559 if (cpi->denoiser.denoising_level > kDenLowLow && denoise_svc_pickmode) 1560 vp9_denoiser_reset_frame_stats(ctx); 1561 } 1562 #endif 1563 1564 if (cpi->rc.frames_since_golden == 0 && !cpi->use_svc) { 1565 usable_ref_frame = LAST_FRAME; 1566 } else { 1567 usable_ref_frame = GOLDEN_FRAME; 1568 } 1569 1570 if (cpi->oxcf.lag_in_frames > 0 && cpi->oxcf.rc_mode == VPX_VBR) { 1571 if (cpi->rc.alt_ref_gf_group || cpi->rc.is_src_frame_alt_ref) 1572 usable_ref_frame = ALTREF_FRAME; 1573 1574 if (cpi->rc.is_src_frame_alt_ref) { 1575 skip_ref_find_pred[LAST_FRAME] = 1; 1576 skip_ref_find_pred[GOLDEN_FRAME] = 1; 1577 } 1578 } 1579 1580 // For svc mode, on spatial_layer_id > 0: if the reference has different scale 1581 // constrain the inter mode to only test zero motion. 1582 if (cpi->use_svc && svc->force_zero_mode_spatial_ref && 1583 cpi->svc.spatial_layer_id > 0) { 1584 if (cpi->ref_frame_flags & flag_list[LAST_FRAME]) { 1585 struct scale_factors *const sf = &cm->frame_refs[LAST_FRAME - 1].sf; 1586 if (vp9_is_scaled(sf)) svc_force_zero_mode[LAST_FRAME - 1] = 1; 1587 } 1588 if (cpi->ref_frame_flags & flag_list[GOLDEN_FRAME]) { 1589 struct scale_factors *const sf = &cm->frame_refs[GOLDEN_FRAME - 1].sf; 1590 if (vp9_is_scaled(sf)) svc_force_zero_mode[GOLDEN_FRAME - 1] = 1; 1591 } 1592 } 1593 1594 if (cpi->sf.short_circuit_low_temp_var) { 1595 force_skip_low_temp_var = 1596 get_force_skip_low_temp_var(&x->variance_low[0], mi_row, mi_col, bsize); 1597 // If force_skip_low_temp_var is set, and for short circuit mode = 1 and 3, 1598 // skip golden reference. 1599 if ((cpi->sf.short_circuit_low_temp_var == 1 || 1600 cpi->sf.short_circuit_low_temp_var == 3) && 1601 force_skip_low_temp_var) { 1602 usable_ref_frame = LAST_FRAME; 1603 } 1604 } 1605 1606 if (!((cpi->ref_frame_flags & flag_list[GOLDEN_FRAME]) && 1607 !svc_force_zero_mode[GOLDEN_FRAME - 1] && !force_skip_low_temp_var)) 1608 use_golden_nonzeromv = 0; 1609 1610 if (cpi->oxcf.speed >= 8 && !cpi->use_svc && 1611 ((cpi->rc.frames_since_golden + 1) < x->last_sb_high_content || 1612 x->last_sb_high_content > 40)) 1613 usable_ref_frame = LAST_FRAME; 1614 1615 for (ref_frame = LAST_FRAME; ref_frame <= usable_ref_frame; ++ref_frame) { 1616 if (!skip_ref_find_pred[ref_frame]) { 1617 find_predictors(cpi, x, ref_frame, frame_mv, const_motion, 1618 &ref_frame_skip_mask, flag_list, tile_data, mi_row, 1619 mi_col, yv12_mb, bsize, force_skip_low_temp_var); 1620 } 1621 } 1622 1623 for (idx = 0; idx < RT_INTER_MODES; ++idx) { 1624 int rate_mv = 0; 1625 int mode_rd_thresh; 1626 int mode_index; 1627 int i; 1628 int64_t this_sse; 1629 int is_skippable; 1630 int this_early_term = 0; 1631 int rd_computed = 0; 1632 1633 PREDICTION_MODE this_mode = ref_mode_set[idx].pred_mode; 1634 1635 ref_frame = ref_mode_set[idx].ref_frame; 1636 1637 if (cpi->use_svc) { 1638 this_mode = ref_mode_set_svc[idx].pred_mode; 1639 ref_frame = ref_mode_set_svc[idx].ref_frame; 1640 } 1641 if (ref_frame > usable_ref_frame) continue; 1642 if (skip_ref_find_pred[ref_frame]) continue; 1643 1644 // For SVC, skip the golden (spatial) reference search if sse of zeromv_last 1645 // is below threshold. 1646 if (cpi->use_svc && ref_frame == GOLDEN_FRAME && 1647 sse_zeromv_normalized < thresh_svc_skip_golden) 1648 continue; 1649 1650 if (sf->short_circuit_flat_blocks && x->source_variance == 0 && 1651 this_mode != NEARESTMV) { 1652 continue; 1653 } 1654 1655 if (!(cpi->sf.inter_mode_mask[bsize] & (1 << this_mode))) continue; 1656 1657 if (cpi->oxcf.lag_in_frames > 0 && cpi->oxcf.rc_mode == VPX_VBR) { 1658 if (cpi->rc.is_src_frame_alt_ref && 1659 (ref_frame != ALTREF_FRAME || 1660 frame_mv[this_mode][ref_frame].as_int != 0)) 1661 continue; 1662 1663 if (cpi->rc.alt_ref_gf_group && 1664 cpi->rc.frames_since_golden > (cpi->rc.baseline_gf_interval >> 1) && 1665 ref_frame == GOLDEN_FRAME && 1666 frame_mv[this_mode][ref_frame].as_int != 0) 1667 continue; 1668 1669 if (cpi->rc.alt_ref_gf_group && 1670 cpi->rc.frames_since_golden < (cpi->rc.baseline_gf_interval >> 1) && 1671 ref_frame == ALTREF_FRAME && 1672 frame_mv[this_mode][ref_frame].as_int != 0) 1673 continue; 1674 } 1675 1676 if (!(cpi->ref_frame_flags & flag_list[ref_frame])) continue; 1677 1678 if (const_motion[ref_frame] && this_mode == NEARMV) continue; 1679 1680 // Skip non-zeromv mode search for golden frame if force_skip_low_temp_var 1681 // is set. If nearestmv for golden frame is 0, zeromv mode will be skipped 1682 // later. 1683 if (force_skip_low_temp_var && ref_frame == GOLDEN_FRAME && 1684 frame_mv[this_mode][ref_frame].as_int != 0) { 1685 continue; 1686 } 1687 1688 if ((cpi->sf.short_circuit_low_temp_var >= 2 || 1689 (cpi->sf.short_circuit_low_temp_var == 1 && bsize == BLOCK_64X64)) && 1690 force_skip_low_temp_var && ref_frame == LAST_FRAME && 1691 this_mode == NEWMV) { 1692 continue; 1693 } 1694 1695 if (cpi->use_svc) { 1696 if (svc_force_zero_mode[ref_frame - 1] && 1697 frame_mv[this_mode][ref_frame].as_int != 0) 1698 continue; 1699 } 1700 1701 if (sf->reference_masking && 1702 !(frame_mv[this_mode][ref_frame].as_int == 0 && 1703 ref_frame == LAST_FRAME)) { 1704 if (usable_ref_frame < ALTREF_FRAME) { 1705 if (!force_skip_low_temp_var && usable_ref_frame > LAST_FRAME) { 1706 i = (ref_frame == LAST_FRAME) ? GOLDEN_FRAME : LAST_FRAME; 1707 if ((cpi->ref_frame_flags & flag_list[i])) 1708 if (x->pred_mv_sad[ref_frame] > (x->pred_mv_sad[i] << 1)) 1709 ref_frame_skip_mask |= (1 << ref_frame); 1710 } 1711 } else if (!cpi->rc.is_src_frame_alt_ref && 1712 !(frame_mv[this_mode][ref_frame].as_int == 0 && 1713 ref_frame == ALTREF_FRAME)) { 1714 int ref1 = (ref_frame == GOLDEN_FRAME) ? LAST_FRAME : GOLDEN_FRAME; 1715 int ref2 = (ref_frame == ALTREF_FRAME) ? LAST_FRAME : ALTREF_FRAME; 1716 if (((cpi->ref_frame_flags & flag_list[ref1]) && 1717 (x->pred_mv_sad[ref_frame] > (x->pred_mv_sad[ref1] << 1))) || 1718 ((cpi->ref_frame_flags & flag_list[ref2]) && 1719 (x->pred_mv_sad[ref_frame] > (x->pred_mv_sad[ref2] << 1)))) 1720 ref_frame_skip_mask |= (1 << ref_frame); 1721 } 1722 } 1723 if (ref_frame_skip_mask & (1 << ref_frame)) continue; 1724 1725 // Select prediction reference frames. 1726 for (i = 0; i < MAX_MB_PLANE; i++) 1727 xd->plane[i].pre[0] = yv12_mb[ref_frame][i]; 1728 1729 mi->ref_frame[0] = ref_frame; 1730 set_ref_ptrs(cm, xd, ref_frame, NONE); 1731 1732 mode_index = mode_idx[ref_frame][INTER_OFFSET(this_mode)]; 1733 mode_rd_thresh = best_mode_skip_txfm ? rd_threshes[mode_index] << 1 1734 : rd_threshes[mode_index]; 1735 1736 // Increase mode_rd_thresh value for GOLDEN_FRAME for improved encoding 1737 // speed with little/no subjective quality loss. 1738 if (cpi->sf.bias_golden && ref_frame == GOLDEN_FRAME && 1739 cpi->rc.frames_since_golden > 4) 1740 mode_rd_thresh = mode_rd_thresh << 3; 1741 1742 if ((cpi->sf.adaptive_rd_thresh_row_mt && 1743 rd_less_than_thresh_row_mt(best_rdc.rdcost, mode_rd_thresh, 1744 &rd_thresh_freq_fact[mode_index])) || 1745 (!cpi->sf.adaptive_rd_thresh_row_mt && 1746 rd_less_than_thresh(best_rdc.rdcost, mode_rd_thresh, 1747 &rd_thresh_freq_fact[mode_index]))) 1748 continue; 1749 1750 if (this_mode == NEWMV) { 1751 if (ref_frame > LAST_FRAME && !cpi->use_svc && 1752 cpi->oxcf.rc_mode == VPX_CBR) { 1753 int tmp_sad; 1754 uint32_t dis; 1755 int cost_list[5]; 1756 1757 if (bsize < BLOCK_16X16) continue; 1758 1759 tmp_sad = vp9_int_pro_motion_estimation(cpi, x, bsize, mi_row, mi_col); 1760 1761 if (tmp_sad > x->pred_mv_sad[LAST_FRAME]) continue; 1762 if (tmp_sad + (num_pels_log2_lookup[bsize] << 4) > best_pred_sad) 1763 continue; 1764 1765 frame_mv[NEWMV][ref_frame].as_int = mi->mv[0].as_int; 1766 rate_mv = vp9_mv_bit_cost(&frame_mv[NEWMV][ref_frame].as_mv, 1767 &x->mbmi_ext->ref_mvs[ref_frame][0].as_mv, 1768 x->nmvjointcost, x->mvcost, MV_COST_WEIGHT); 1769 frame_mv[NEWMV][ref_frame].as_mv.row >>= 3; 1770 frame_mv[NEWMV][ref_frame].as_mv.col >>= 3; 1771 1772 cpi->find_fractional_mv_step( 1773 x, &frame_mv[NEWMV][ref_frame].as_mv, 1774 &x->mbmi_ext->ref_mvs[ref_frame][0].as_mv, 1775 cpi->common.allow_high_precision_mv, x->errorperbit, 1776 &cpi->fn_ptr[bsize], cpi->sf.mv.subpel_force_stop, 1777 cpi->sf.mv.subpel_iters_per_step, cond_cost_list(cpi, cost_list), 1778 x->nmvjointcost, x->mvcost, &dis, &x->pred_sse[ref_frame], NULL, 0, 1779 0); 1780 } else if (svc->use_base_mv && svc->spatial_layer_id) { 1781 if (frame_mv[NEWMV][ref_frame].as_int != INVALID_MV) { 1782 const int pre_stride = xd->plane[0].pre[0].stride; 1783 int base_mv_sad = INT_MAX; 1784 const float base_mv_bias = sf->base_mv_aggressive ? 1.5f : 1.0f; 1785 const uint8_t *const pre_buf = 1786 xd->plane[0].pre[0].buf + 1787 (frame_mv[NEWMV][ref_frame].as_mv.row >> 3) * pre_stride + 1788 (frame_mv[NEWMV][ref_frame].as_mv.col >> 3); 1789 base_mv_sad = cpi->fn_ptr[bsize].sdf( 1790 x->plane[0].src.buf, x->plane[0].src.stride, pre_buf, pre_stride); 1791 1792 if (base_mv_sad < (int)(base_mv_bias * x->pred_mv_sad[ref_frame])) { 1793 // Base layer mv is good. 1794 if (!combined_motion_search(cpi, x, bsize, mi_row, mi_col, 1795 &frame_mv[NEWMV][ref_frame], &rate_mv, 1796 best_rdc.rdcost, 1)) { 1797 continue; 1798 } 1799 } else if (!combined_motion_search(cpi, x, bsize, mi_row, mi_col, 1800 &frame_mv[NEWMV][ref_frame], 1801 &rate_mv, best_rdc.rdcost, 0)) { 1802 continue; 1803 } 1804 } else if (!combined_motion_search(cpi, x, bsize, mi_row, mi_col, 1805 &frame_mv[NEWMV][ref_frame], 1806 &rate_mv, best_rdc.rdcost, 0)) { 1807 continue; 1808 } 1809 } else if (!combined_motion_search(cpi, x, bsize, mi_row, mi_col, 1810 &frame_mv[NEWMV][ref_frame], &rate_mv, 1811 best_rdc.rdcost, 0)) { 1812 continue; 1813 } 1814 } 1815 1816 // If use_golden_nonzeromv is false, NEWMV mode is skipped for golden, no 1817 // need to compute best_pred_sad which is only used to skip golden NEWMV. 1818 if (use_golden_nonzeromv && this_mode == NEWMV && ref_frame == LAST_FRAME && 1819 frame_mv[NEWMV][LAST_FRAME].as_int != INVALID_MV) { 1820 const int pre_stride = xd->plane[0].pre[0].stride; 1821 const uint8_t *const pre_buf = 1822 xd->plane[0].pre[0].buf + 1823 (frame_mv[NEWMV][LAST_FRAME].as_mv.row >> 3) * pre_stride + 1824 (frame_mv[NEWMV][LAST_FRAME].as_mv.col >> 3); 1825 best_pred_sad = cpi->fn_ptr[bsize].sdf( 1826 x->plane[0].src.buf, x->plane[0].src.stride, pre_buf, pre_stride); 1827 x->pred_mv_sad[LAST_FRAME] = best_pred_sad; 1828 } 1829 1830 if (this_mode != NEARESTMV && 1831 frame_mv[this_mode][ref_frame].as_int == 1832 frame_mv[NEARESTMV][ref_frame].as_int) 1833 continue; 1834 1835 mi->mode = this_mode; 1836 mi->mv[0].as_int = frame_mv[this_mode][ref_frame].as_int; 1837 1838 // Search for the best prediction filter type, when the resulting 1839 // motion vector is at sub-pixel accuracy level for luma component, i.e., 1840 // the last three bits are all zeros. 1841 if (reuse_inter_pred) { 1842 if (!this_mode_pred) { 1843 this_mode_pred = &tmp[3]; 1844 } else { 1845 this_mode_pred = &tmp[get_pred_buffer(tmp, 3)]; 1846 pd->dst.buf = this_mode_pred->data; 1847 pd->dst.stride = bw; 1848 } 1849 } 1850 1851 if ((this_mode == NEWMV || filter_ref == SWITCHABLE) && 1852 pred_filter_search && 1853 (ref_frame == LAST_FRAME || 1854 (ref_frame == GOLDEN_FRAME && 1855 (cpi->use_svc || cpi->oxcf.rc_mode == VPX_VBR))) && 1856 (((mi->mv[0].as_mv.row | mi->mv[0].as_mv.col) & 0x07) != 0)) { 1857 int pf_rate[3]; 1858 int64_t pf_dist[3]; 1859 int curr_rate[3]; 1860 unsigned int pf_var[3]; 1861 unsigned int pf_sse[3]; 1862 TX_SIZE pf_tx_size[3]; 1863 int64_t best_cost = INT64_MAX; 1864 INTERP_FILTER best_filter = SWITCHABLE, filter; 1865 PRED_BUFFER *current_pred = this_mode_pred; 1866 rd_computed = 1; 1867 1868 for (filter = EIGHTTAP; filter <= EIGHTTAP_SMOOTH; ++filter) { 1869 int64_t cost; 1870 mi->interp_filter = filter; 1871 vp9_build_inter_predictors_sby(xd, mi_row, mi_col, bsize); 1872 model_rd_for_sb_y(cpi, bsize, x, xd, &pf_rate[filter], &pf_dist[filter], 1873 &pf_var[filter], &pf_sse[filter]); 1874 curr_rate[filter] = pf_rate[filter]; 1875 pf_rate[filter] += vp9_get_switchable_rate(cpi, xd); 1876 cost = RDCOST(x->rdmult, x->rddiv, pf_rate[filter], pf_dist[filter]); 1877 pf_tx_size[filter] = mi->tx_size; 1878 if (cost < best_cost) { 1879 best_filter = filter; 1880 best_cost = cost; 1881 skip_txfm = x->skip_txfm[0]; 1882 1883 if (reuse_inter_pred) { 1884 if (this_mode_pred != current_pred) { 1885 free_pred_buffer(this_mode_pred); 1886 this_mode_pred = current_pred; 1887 } 1888 current_pred = &tmp[get_pred_buffer(tmp, 3)]; 1889 pd->dst.buf = current_pred->data; 1890 pd->dst.stride = bw; 1891 } 1892 } 1893 } 1894 1895 if (reuse_inter_pred && this_mode_pred != current_pred) 1896 free_pred_buffer(current_pred); 1897 1898 mi->interp_filter = best_filter; 1899 mi->tx_size = pf_tx_size[best_filter]; 1900 this_rdc.rate = curr_rate[best_filter]; 1901 this_rdc.dist = pf_dist[best_filter]; 1902 var_y = pf_var[best_filter]; 1903 sse_y = pf_sse[best_filter]; 1904 x->skip_txfm[0] = skip_txfm; 1905 if (reuse_inter_pred) { 1906 pd->dst.buf = this_mode_pred->data; 1907 pd->dst.stride = this_mode_pred->stride; 1908 } 1909 } else { 1910 const int large_block = (x->sb_is_skin || cpi->oxcf.speed < 7) 1911 ? bsize > BLOCK_32X32 1912 : bsize >= BLOCK_32X32; 1913 mi->interp_filter = (filter_ref == SWITCHABLE) ? EIGHTTAP : filter_ref; 1914 1915 if (cpi->use_svc && ref_frame == GOLDEN_FRAME && 1916 svc_force_zero_mode[ref_frame - 1]) 1917 mi->interp_filter = filter_gf_svc; 1918 1919 vp9_build_inter_predictors_sby(xd, mi_row, mi_col, bsize); 1920 1921 // For large partition blocks, extra testing is done. 1922 if (cpi->oxcf.rc_mode == VPX_CBR && large_block && 1923 !cyclic_refresh_segment_id_boosted(xd->mi[0]->segment_id) && 1924 cm->base_qindex) { 1925 model_rd_for_sb_y_large(cpi, bsize, x, xd, &this_rdc.rate, 1926 &this_rdc.dist, &var_y, &sse_y, mi_row, mi_col, 1927 &this_early_term); 1928 } else { 1929 rd_computed = 1; 1930 model_rd_for_sb_y(cpi, bsize, x, xd, &this_rdc.rate, &this_rdc.dist, 1931 &var_y, &sse_y); 1932 } 1933 // Save normalized sse (between current and last frame) for (0, 0) motion. 1934 if (cpi->use_svc && ref_frame == LAST_FRAME && 1935 frame_mv[this_mode][ref_frame].as_int == 0) { 1936 sse_zeromv_normalized = 1937 sse_y >> (b_width_log2_lookup[bsize] + b_height_log2_lookup[bsize]); 1938 } 1939 } 1940 1941 if (!this_early_term) { 1942 this_sse = (int64_t)sse_y; 1943 block_yrd(cpi, x, &this_rdc, &is_skippable, &this_sse, bsize, 1944 VPXMIN(mi->tx_size, TX_16X16), rd_computed); 1945 1946 x->skip_txfm[0] = is_skippable; 1947 if (is_skippable) { 1948 this_rdc.rate = vp9_cost_bit(vp9_get_skip_prob(cm, xd), 1); 1949 } else { 1950 if (RDCOST(x->rdmult, x->rddiv, this_rdc.rate, this_rdc.dist) < 1951 RDCOST(x->rdmult, x->rddiv, 0, this_sse)) { 1952 this_rdc.rate += vp9_cost_bit(vp9_get_skip_prob(cm, xd), 0); 1953 } else { 1954 this_rdc.rate = vp9_cost_bit(vp9_get_skip_prob(cm, xd), 1); 1955 this_rdc.dist = this_sse; 1956 x->skip_txfm[0] = SKIP_TXFM_AC_DC; 1957 } 1958 } 1959 1960 if (cm->interp_filter == SWITCHABLE) { 1961 if ((mi->mv[0].as_mv.row | mi->mv[0].as_mv.col) & 0x07) 1962 this_rdc.rate += vp9_get_switchable_rate(cpi, xd); 1963 } 1964 } else { 1965 this_rdc.rate += cm->interp_filter == SWITCHABLE 1966 ? vp9_get_switchable_rate(cpi, xd) 1967 : 0; 1968 this_rdc.rate += vp9_cost_bit(vp9_get_skip_prob(cm, xd), 1); 1969 } 1970 1971 if (x->color_sensitivity[0] || x->color_sensitivity[1]) { 1972 RD_COST rdc_uv; 1973 const BLOCK_SIZE uv_bsize = get_plane_block_size(bsize, &xd->plane[1]); 1974 if (x->color_sensitivity[0]) 1975 vp9_build_inter_predictors_sbp(xd, mi_row, mi_col, bsize, 1); 1976 if (x->color_sensitivity[1]) 1977 vp9_build_inter_predictors_sbp(xd, mi_row, mi_col, bsize, 2); 1978 model_rd_for_sb_uv(cpi, uv_bsize, x, xd, &rdc_uv, &var_y, &sse_y, 1, 2); 1979 this_rdc.rate += rdc_uv.rate; 1980 this_rdc.dist += rdc_uv.dist; 1981 } 1982 1983 this_rdc.rate += rate_mv; 1984 this_rdc.rate += cpi->inter_mode_cost[x->mbmi_ext->mode_context[ref_frame]] 1985 [INTER_OFFSET(this_mode)]; 1986 this_rdc.rate += ref_frame_cost[ref_frame]; 1987 this_rdc.rdcost = RDCOST(x->rdmult, x->rddiv, this_rdc.rate, this_rdc.dist); 1988 1989 // Bias against NEWMV that is very different from its neighbors, and bias 1990 // to small motion-lastref for noisy input. 1991 if (cpi->oxcf.rc_mode == VPX_CBR && cpi->oxcf.speed >= 5 && 1992 cpi->oxcf.content != VP9E_CONTENT_SCREEN) { 1993 vp9_NEWMV_diff_bias(&cpi->noise_estimate, xd, this_mode, &this_rdc, bsize, 1994 frame_mv[this_mode][ref_frame].as_mv.row, 1995 frame_mv[this_mode][ref_frame].as_mv.col, 1996 ref_frame == LAST_FRAME, x->lowvar_highsumdiff, 1997 x->sb_is_skin); 1998 } 1999 2000 // Skipping checking: test to see if this block can be reconstructed by 2001 // prediction only. 2002 if (cpi->allow_encode_breakout) { 2003 encode_breakout_test(cpi, x, bsize, mi_row, mi_col, ref_frame, this_mode, 2004 var_y, sse_y, yv12_mb, &this_rdc.rate, 2005 &this_rdc.dist); 2006 if (x->skip) { 2007 this_rdc.rate += rate_mv; 2008 this_rdc.rdcost = 2009 RDCOST(x->rdmult, x->rddiv, this_rdc.rate, this_rdc.dist); 2010 } 2011 } 2012 2013 #if CONFIG_VP9_TEMPORAL_DENOISING 2014 if (cpi->oxcf.noise_sensitivity > 0 && denoise_svc_pickmode && 2015 cpi->denoiser.denoising_level > kDenLowLow) { 2016 vp9_denoiser_update_frame_stats(mi, sse_y, this_mode, ctx); 2017 // Keep track of zero_last cost. 2018 if (ref_frame == LAST_FRAME && frame_mv[this_mode][ref_frame].as_int == 0) 2019 zero_last_cost_orig = this_rdc.rdcost; 2020 } 2021 #else 2022 (void)ctx; 2023 #endif 2024 2025 if (this_rdc.rdcost < best_rdc.rdcost || x->skip) { 2026 best_rdc = this_rdc; 2027 best_mode = this_mode; 2028 best_pred_filter = mi->interp_filter; 2029 best_tx_size = mi->tx_size; 2030 best_ref_frame = ref_frame; 2031 best_mode_skip_txfm = x->skip_txfm[0]; 2032 best_early_term = this_early_term; 2033 2034 if (reuse_inter_pred) { 2035 free_pred_buffer(best_pred); 2036 best_pred = this_mode_pred; 2037 } 2038 } else { 2039 if (reuse_inter_pred) free_pred_buffer(this_mode_pred); 2040 } 2041 2042 if (x->skip) break; 2043 2044 // If early termination flag is 1 and at least 2 modes are checked, 2045 // the mode search is terminated. 2046 if (best_early_term && idx > 0) { 2047 x->skip = 1; 2048 break; 2049 } 2050 } 2051 2052 mi->mode = best_mode; 2053 mi->interp_filter = best_pred_filter; 2054 mi->tx_size = best_tx_size; 2055 mi->ref_frame[0] = best_ref_frame; 2056 mi->mv[0].as_int = frame_mv[best_mode][best_ref_frame].as_int; 2057 xd->mi[0]->bmi[0].as_mv[0].as_int = mi->mv[0].as_int; 2058 x->skip_txfm[0] = best_mode_skip_txfm; 2059 2060 // For spatial enhancemanent layer: perform intra prediction only if base 2061 // layer is chosen as the reference. Always perform intra prediction if 2062 // LAST is the only reference or is_key_frame is set. 2063 if (cpi->svc.spatial_layer_id) { 2064 perform_intra_pred = 2065 cpi->svc.layer_context[cpi->svc.temporal_layer_id].is_key_frame || 2066 !(cpi->ref_frame_flags & flag_list[GOLDEN_FRAME]) || 2067 (!cpi->svc.layer_context[cpi->svc.temporal_layer_id].is_key_frame && 2068 svc_force_zero_mode[best_ref_frame - 1]); 2069 inter_mode_thresh = (inter_mode_thresh << 1) + inter_mode_thresh; 2070 } 2071 if (cpi->oxcf.lag_in_frames > 0 && cpi->oxcf.rc_mode == VPX_VBR && 2072 cpi->rc.is_src_frame_alt_ref) 2073 perform_intra_pred = 0; 2074 // Perform intra prediction search, if the best SAD is above a certain 2075 // threshold. 2076 if (best_rdc.rdcost == INT64_MAX || 2077 ((!force_skip_low_temp_var || bsize < BLOCK_32X32) && 2078 perform_intra_pred && !x->skip && best_rdc.rdcost > inter_mode_thresh && 2079 bsize <= cpi->sf.max_intra_bsize && !x->skip_low_source_sad && 2080 !x->lowvar_highsumdiff)) { 2081 struct estimate_block_intra_args args = { cpi, x, DC_PRED, 1, 0 }; 2082 int i; 2083 TX_SIZE best_intra_tx_size = TX_SIZES; 2084 TX_SIZE intra_tx_size = 2085 VPXMIN(max_txsize_lookup[bsize], 2086 tx_mode_to_biggest_tx_size[cpi->common.tx_mode]); 2087 if (cpi->oxcf.content != VP9E_CONTENT_SCREEN && intra_tx_size > TX_16X16) 2088 intra_tx_size = TX_16X16; 2089 2090 if (reuse_inter_pred && best_pred != NULL) { 2091 if (best_pred->data == orig_dst.buf) { 2092 this_mode_pred = &tmp[get_pred_buffer(tmp, 3)]; 2093 #if CONFIG_VP9_HIGHBITDEPTH 2094 if (cm->use_highbitdepth) 2095 vpx_highbd_convolve_copy( 2096 CONVERT_TO_SHORTPTR(best_pred->data), best_pred->stride, 2097 CONVERT_TO_SHORTPTR(this_mode_pred->data), this_mode_pred->stride, 2098 NULL, 0, NULL, 0, bw, bh, xd->bd); 2099 else 2100 vpx_convolve_copy(best_pred->data, best_pred->stride, 2101 this_mode_pred->data, this_mode_pred->stride, NULL, 2102 0, NULL, 0, bw, bh); 2103 #else 2104 vpx_convolve_copy(best_pred->data, best_pred->stride, 2105 this_mode_pred->data, this_mode_pred->stride, NULL, 0, 2106 NULL, 0, bw, bh); 2107 #endif // CONFIG_VP9_HIGHBITDEPTH 2108 best_pred = this_mode_pred; 2109 } 2110 } 2111 pd->dst = orig_dst; 2112 2113 for (i = 0; i < 4; ++i) { 2114 const PREDICTION_MODE this_mode = intra_mode_list[i]; 2115 THR_MODES mode_index = mode_idx[INTRA_FRAME][mode_offset(this_mode)]; 2116 int mode_rd_thresh = rd_threshes[mode_index]; 2117 if (sf->short_circuit_flat_blocks && x->source_variance == 0 && 2118 this_mode != DC_PRED) { 2119 continue; 2120 } 2121 2122 if (!((1 << this_mode) & cpi->sf.intra_y_mode_bsize_mask[bsize])) 2123 continue; 2124 2125 if ((cpi->sf.adaptive_rd_thresh_row_mt && 2126 rd_less_than_thresh_row_mt(best_rdc.rdcost, mode_rd_thresh, 2127 &rd_thresh_freq_fact[mode_index])) || 2128 (!cpi->sf.adaptive_rd_thresh_row_mt && 2129 rd_less_than_thresh(best_rdc.rdcost, mode_rd_thresh, 2130 &rd_thresh_freq_fact[mode_index]))) 2131 continue; 2132 2133 mi->mode = this_mode; 2134 mi->ref_frame[0] = INTRA_FRAME; 2135 this_rdc.dist = this_rdc.rate = 0; 2136 args.mode = this_mode; 2137 args.skippable = 1; 2138 args.rdc = &this_rdc; 2139 mi->tx_size = intra_tx_size; 2140 vp9_foreach_transformed_block_in_plane(xd, bsize, 0, estimate_block_intra, 2141 &args); 2142 // Check skip cost here since skippable is not set for for uv, this 2143 // mirrors the behavior used by inter 2144 if (args.skippable) { 2145 x->skip_txfm[0] = SKIP_TXFM_AC_DC; 2146 this_rdc.rate = vp9_cost_bit(vp9_get_skip_prob(&cpi->common, xd), 1); 2147 } else { 2148 x->skip_txfm[0] = SKIP_TXFM_NONE; 2149 this_rdc.rate += vp9_cost_bit(vp9_get_skip_prob(&cpi->common, xd), 0); 2150 } 2151 // Inter and intra RD will mismatch in scale for non-screen content. 2152 if (cpi->oxcf.content == VP9E_CONTENT_SCREEN) { 2153 if (x->color_sensitivity[0]) 2154 vp9_foreach_transformed_block_in_plane(xd, bsize, 1, 2155 estimate_block_intra, &args); 2156 if (x->color_sensitivity[1]) 2157 vp9_foreach_transformed_block_in_plane(xd, bsize, 2, 2158 estimate_block_intra, &args); 2159 } 2160 this_rdc.rate += cpi->mbmode_cost[this_mode]; 2161 this_rdc.rate += ref_frame_cost[INTRA_FRAME]; 2162 this_rdc.rate += intra_cost_penalty; 2163 this_rdc.rdcost = 2164 RDCOST(x->rdmult, x->rddiv, this_rdc.rate, this_rdc.dist); 2165 2166 if (this_rdc.rdcost < best_rdc.rdcost) { 2167 best_rdc = this_rdc; 2168 best_mode = this_mode; 2169 best_intra_tx_size = mi->tx_size; 2170 best_ref_frame = INTRA_FRAME; 2171 mi->uv_mode = this_mode; 2172 mi->mv[0].as_int = INVALID_MV; 2173 best_mode_skip_txfm = x->skip_txfm[0]; 2174 } 2175 } 2176 2177 // Reset mb_mode_info to the best inter mode. 2178 if (best_ref_frame != INTRA_FRAME) { 2179 mi->tx_size = best_tx_size; 2180 } else { 2181 mi->tx_size = best_intra_tx_size; 2182 } 2183 } 2184 2185 pd->dst = orig_dst; 2186 mi->mode = best_mode; 2187 mi->ref_frame[0] = best_ref_frame; 2188 x->skip_txfm[0] = best_mode_skip_txfm; 2189 2190 if (!is_inter_block(mi)) { 2191 mi->interp_filter = SWITCHABLE_FILTERS; 2192 } 2193 2194 if (reuse_inter_pred && best_pred != NULL) { 2195 if (best_pred->data != orig_dst.buf && is_inter_mode(mi->mode)) { 2196 #if CONFIG_VP9_HIGHBITDEPTH 2197 if (cm->use_highbitdepth) 2198 vpx_highbd_convolve_copy( 2199 CONVERT_TO_SHORTPTR(best_pred->data), best_pred->stride, 2200 CONVERT_TO_SHORTPTR(pd->dst.buf), pd->dst.stride, NULL, 0, NULL, 0, 2201 bw, bh, xd->bd); 2202 else 2203 vpx_convolve_copy(best_pred->data, best_pred->stride, pd->dst.buf, 2204 pd->dst.stride, NULL, 0, NULL, 0, bw, bh); 2205 #else 2206 vpx_convolve_copy(best_pred->data, best_pred->stride, pd->dst.buf, 2207 pd->dst.stride, NULL, 0, NULL, 0, bw, bh); 2208 #endif // CONFIG_VP9_HIGHBITDEPTH 2209 } 2210 } 2211 2212 #if CONFIG_VP9_TEMPORAL_DENOISING 2213 if (cpi->oxcf.noise_sensitivity > 0 && cpi->resize_pending == 0 && 2214 denoise_svc_pickmode && cpi->denoiser.denoising_level > kDenLowLow && 2215 cpi->denoiser.reset == 0) { 2216 VP9_DENOISER_DECISION decision = COPY_BLOCK; 2217 vp9_pickmode_ctx_den_update(&ctx_den, zero_last_cost_orig, ref_frame_cost, 2218 frame_mv, reuse_inter_pred, best_tx_size, 2219 best_mode, best_ref_frame, best_pred_filter, 2220 best_mode_skip_txfm); 2221 vp9_denoiser_denoise(cpi, x, mi_row, mi_col, bsize, ctx, &decision); 2222 recheck_zeromv_after_denoising(cpi, mi, x, xd, decision, &ctx_den, yv12_mb, 2223 &best_rdc, bsize, mi_row, mi_col); 2224 best_ref_frame = ctx_den.best_ref_frame; 2225 } 2226 #endif 2227 2228 if (cpi->sf.adaptive_rd_thresh) { 2229 THR_MODES best_mode_idx = mode_idx[best_ref_frame][mode_offset(mi->mode)]; 2230 2231 if (best_ref_frame == INTRA_FRAME) { 2232 // Only consider the modes that are included in the intra_mode_list. 2233 int intra_modes = sizeof(intra_mode_list) / sizeof(PREDICTION_MODE); 2234 int i; 2235 2236 // TODO(yunqingwang): Check intra mode mask and only update freq_fact 2237 // for those valid modes. 2238 for (i = 0; i < intra_modes; i++) { 2239 if (cpi->sf.adaptive_rd_thresh_row_mt) 2240 update_thresh_freq_fact_row_mt(cpi, tile_data, x->source_variance, 2241 thresh_freq_fact_idx, INTRA_FRAME, 2242 best_mode_idx, intra_mode_list[i]); 2243 else 2244 update_thresh_freq_fact(cpi, tile_data, x->source_variance, bsize, 2245 INTRA_FRAME, best_mode_idx, 2246 intra_mode_list[i]); 2247 } 2248 } else { 2249 for (ref_frame = LAST_FRAME; ref_frame <= GOLDEN_FRAME; ++ref_frame) { 2250 PREDICTION_MODE this_mode; 2251 if (best_ref_frame != ref_frame) continue; 2252 for (this_mode = NEARESTMV; this_mode <= NEWMV; ++this_mode) { 2253 if (cpi->sf.adaptive_rd_thresh_row_mt) 2254 update_thresh_freq_fact_row_mt(cpi, tile_data, x->source_variance, 2255 thresh_freq_fact_idx, ref_frame, 2256 best_mode_idx, this_mode); 2257 else 2258 update_thresh_freq_fact(cpi, tile_data, x->source_variance, bsize, 2259 ref_frame, best_mode_idx, this_mode); 2260 } 2261 } 2262 } 2263 } 2264 2265 *rd_cost = best_rdc; 2266 } 2267 2268 void vp9_pick_inter_mode_sub8x8(VP9_COMP *cpi, MACROBLOCK *x, int mi_row, 2269 int mi_col, RD_COST *rd_cost, BLOCK_SIZE bsize, 2270 PICK_MODE_CONTEXT *ctx) { 2271 VP9_COMMON *const cm = &cpi->common; 2272 SPEED_FEATURES *const sf = &cpi->sf; 2273 MACROBLOCKD *const xd = &x->e_mbd; 2274 MODE_INFO *const mi = xd->mi[0]; 2275 MB_MODE_INFO_EXT *const mbmi_ext = x->mbmi_ext; 2276 const struct segmentation *const seg = &cm->seg; 2277 MV_REFERENCE_FRAME ref_frame, second_ref_frame = NONE; 2278 MV_REFERENCE_FRAME best_ref_frame = NONE; 2279 unsigned char segment_id = mi->segment_id; 2280 struct buf_2d yv12_mb[4][MAX_MB_PLANE]; 2281 static const int flag_list[4] = { 0, VP9_LAST_FLAG, VP9_GOLD_FLAG, 2282 VP9_ALT_FLAG }; 2283 int64_t best_rd = INT64_MAX; 2284 b_mode_info bsi[MAX_REF_FRAMES][4]; 2285 int ref_frame_skip_mask = 0; 2286 const int num_4x4_blocks_wide = num_4x4_blocks_wide_lookup[bsize]; 2287 const int num_4x4_blocks_high = num_4x4_blocks_high_lookup[bsize]; 2288 int idx, idy; 2289 2290 x->skip_encode = sf->skip_encode_frame && x->q_index < QIDX_SKIP_THRESH; 2291 ctx->pred_pixel_ready = 0; 2292 2293 for (ref_frame = LAST_FRAME; ref_frame <= GOLDEN_FRAME; ++ref_frame) { 2294 const YV12_BUFFER_CONFIG *yv12 = get_ref_frame_buffer(cpi, ref_frame); 2295 int_mv dummy_mv[2]; 2296 x->pred_mv_sad[ref_frame] = INT_MAX; 2297 2298 if ((cpi->ref_frame_flags & flag_list[ref_frame]) && (yv12 != NULL)) { 2299 int_mv *const candidates = mbmi_ext->ref_mvs[ref_frame]; 2300 const struct scale_factors *const sf = &cm->frame_refs[ref_frame - 1].sf; 2301 vp9_setup_pred_block(xd, yv12_mb[ref_frame], yv12, mi_row, mi_col, sf, 2302 sf); 2303 vp9_find_mv_refs(cm, xd, xd->mi[0], ref_frame, candidates, mi_row, mi_col, 2304 mbmi_ext->mode_context); 2305 2306 vp9_find_best_ref_mvs(xd, cm->allow_high_precision_mv, candidates, 2307 &dummy_mv[0], &dummy_mv[1]); 2308 } else { 2309 ref_frame_skip_mask |= (1 << ref_frame); 2310 } 2311 } 2312 2313 mi->sb_type = bsize; 2314 mi->tx_size = TX_4X4; 2315 mi->uv_mode = DC_PRED; 2316 mi->ref_frame[0] = LAST_FRAME; 2317 mi->ref_frame[1] = NONE; 2318 mi->interp_filter = 2319 cm->interp_filter == SWITCHABLE ? EIGHTTAP : cm->interp_filter; 2320 2321 for (ref_frame = LAST_FRAME; ref_frame <= GOLDEN_FRAME; ++ref_frame) { 2322 int64_t this_rd = 0; 2323 int plane; 2324 2325 if (ref_frame_skip_mask & (1 << ref_frame)) continue; 2326 2327 #if CONFIG_BETTER_HW_COMPATIBILITY 2328 if ((bsize == BLOCK_8X4 || bsize == BLOCK_4X8) && ref_frame > INTRA_FRAME && 2329 vp9_is_scaled(&cm->frame_refs[ref_frame - 1].sf)) 2330 continue; 2331 #endif 2332 2333 // TODO(jingning, agrange): Scaling reference frame not supported for 2334 // sub8x8 blocks. Is this supported now? 2335 if (ref_frame > INTRA_FRAME && 2336 vp9_is_scaled(&cm->frame_refs[ref_frame - 1].sf)) 2337 continue; 2338 2339 // If the segment reference frame feature is enabled.... 2340 // then do nothing if the current ref frame is not allowed.. 2341 if (segfeature_active(seg, segment_id, SEG_LVL_REF_FRAME) && 2342 get_segdata(seg, segment_id, SEG_LVL_REF_FRAME) != (int)ref_frame) 2343 continue; 2344 2345 mi->ref_frame[0] = ref_frame; 2346 x->skip = 0; 2347 set_ref_ptrs(cm, xd, ref_frame, second_ref_frame); 2348 2349 // Select prediction reference frames. 2350 for (plane = 0; plane < MAX_MB_PLANE; plane++) 2351 xd->plane[plane].pre[0] = yv12_mb[ref_frame][plane]; 2352 2353 for (idy = 0; idy < 2; idy += num_4x4_blocks_high) { 2354 for (idx = 0; idx < 2; idx += num_4x4_blocks_wide) { 2355 int_mv b_mv[MB_MODE_COUNT]; 2356 int64_t b_best_rd = INT64_MAX; 2357 const int i = idy * 2 + idx; 2358 PREDICTION_MODE this_mode; 2359 RD_COST this_rdc; 2360 unsigned int var_y, sse_y; 2361 2362 struct macroblock_plane *p = &x->plane[0]; 2363 struct macroblockd_plane *pd = &xd->plane[0]; 2364 2365 const struct buf_2d orig_src = p->src; 2366 const struct buf_2d orig_dst = pd->dst; 2367 struct buf_2d orig_pre[2]; 2368 memcpy(orig_pre, xd->plane[0].pre, sizeof(orig_pre)); 2369 2370 // set buffer pointers for sub8x8 motion search. 2371 p->src.buf = 2372 &p->src.buf[vp9_raster_block_offset(BLOCK_8X8, i, p->src.stride)]; 2373 pd->dst.buf = 2374 &pd->dst.buf[vp9_raster_block_offset(BLOCK_8X8, i, pd->dst.stride)]; 2375 pd->pre[0].buf = 2376 &pd->pre[0] 2377 .buf[vp9_raster_block_offset(BLOCK_8X8, i, pd->pre[0].stride)]; 2378 2379 b_mv[ZEROMV].as_int = 0; 2380 b_mv[NEWMV].as_int = INVALID_MV; 2381 vp9_append_sub8x8_mvs_for_idx(cm, xd, i, 0, mi_row, mi_col, 2382 &b_mv[NEARESTMV], &b_mv[NEARMV], 2383 mbmi_ext->mode_context); 2384 2385 for (this_mode = NEARESTMV; this_mode <= NEWMV; ++this_mode) { 2386 int b_rate = 0; 2387 xd->mi[0]->bmi[i].as_mv[0].as_int = b_mv[this_mode].as_int; 2388 2389 if (this_mode == NEWMV) { 2390 const int step_param = cpi->sf.mv.fullpel_search_step_param; 2391 MV mvp_full; 2392 MV tmp_mv; 2393 int cost_list[5]; 2394 const MvLimits tmp_mv_limits = x->mv_limits; 2395 uint32_t dummy_dist; 2396 2397 if (i == 0) { 2398 mvp_full.row = b_mv[NEARESTMV].as_mv.row >> 3; 2399 mvp_full.col = b_mv[NEARESTMV].as_mv.col >> 3; 2400 } else { 2401 mvp_full.row = xd->mi[0]->bmi[0].as_mv[0].as_mv.row >> 3; 2402 mvp_full.col = xd->mi[0]->bmi[0].as_mv[0].as_mv.col >> 3; 2403 } 2404 2405 vp9_set_mv_search_range(&x->mv_limits, 2406 &mbmi_ext->ref_mvs[ref_frame][0].as_mv); 2407 2408 vp9_full_pixel_search( 2409 cpi, x, bsize, &mvp_full, step_param, cpi->sf.mv.search_method, 2410 x->sadperbit4, cond_cost_list(cpi, cost_list), 2411 &mbmi_ext->ref_mvs[ref_frame][0].as_mv, &tmp_mv, INT_MAX, 0); 2412 2413 x->mv_limits = tmp_mv_limits; 2414 2415 // calculate the bit cost on motion vector 2416 mvp_full.row = tmp_mv.row * 8; 2417 mvp_full.col = tmp_mv.col * 8; 2418 2419 b_rate += vp9_mv_bit_cost( 2420 &mvp_full, &mbmi_ext->ref_mvs[ref_frame][0].as_mv, 2421 x->nmvjointcost, x->mvcost, MV_COST_WEIGHT); 2422 2423 b_rate += cpi->inter_mode_cost[x->mbmi_ext->mode_context[ref_frame]] 2424 [INTER_OFFSET(NEWMV)]; 2425 if (RDCOST(x->rdmult, x->rddiv, b_rate, 0) > b_best_rd) continue; 2426 2427 cpi->find_fractional_mv_step( 2428 x, &tmp_mv, &mbmi_ext->ref_mvs[ref_frame][0].as_mv, 2429 cpi->common.allow_high_precision_mv, x->errorperbit, 2430 &cpi->fn_ptr[bsize], cpi->sf.mv.subpel_force_stop, 2431 cpi->sf.mv.subpel_iters_per_step, 2432 cond_cost_list(cpi, cost_list), x->nmvjointcost, x->mvcost, 2433 &dummy_dist, &x->pred_sse[ref_frame], NULL, 0, 0); 2434 2435 xd->mi[0]->bmi[i].as_mv[0].as_mv = tmp_mv; 2436 } else { 2437 b_rate += cpi->inter_mode_cost[x->mbmi_ext->mode_context[ref_frame]] 2438 [INTER_OFFSET(this_mode)]; 2439 } 2440 2441 #if CONFIG_VP9_HIGHBITDEPTH 2442 if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { 2443 vp9_highbd_build_inter_predictor( 2444 CONVERT_TO_SHORTPTR(pd->pre[0].buf), pd->pre[0].stride, 2445 CONVERT_TO_SHORTPTR(pd->dst.buf), pd->dst.stride, 2446 &xd->mi[0]->bmi[i].as_mv[0].as_mv, &xd->block_refs[0]->sf, 2447 4 * num_4x4_blocks_wide, 4 * num_4x4_blocks_high, 0, 2448 vp9_filter_kernels[mi->interp_filter], MV_PRECISION_Q3, 2449 mi_col * MI_SIZE + 4 * (i & 0x01), 2450 mi_row * MI_SIZE + 4 * (i >> 1), xd->bd); 2451 } else { 2452 #endif 2453 vp9_build_inter_predictor( 2454 pd->pre[0].buf, pd->pre[0].stride, pd->dst.buf, pd->dst.stride, 2455 &xd->mi[0]->bmi[i].as_mv[0].as_mv, &xd->block_refs[0]->sf, 2456 4 * num_4x4_blocks_wide, 4 * num_4x4_blocks_high, 0, 2457 vp9_filter_kernels[mi->interp_filter], MV_PRECISION_Q3, 2458 mi_col * MI_SIZE + 4 * (i & 0x01), 2459 mi_row * MI_SIZE + 4 * (i >> 1)); 2460 2461 #if CONFIG_VP9_HIGHBITDEPTH 2462 } 2463 #endif 2464 2465 model_rd_for_sb_y(cpi, bsize, x, xd, &this_rdc.rate, &this_rdc.dist, 2466 &var_y, &sse_y); 2467 2468 this_rdc.rate += b_rate; 2469 this_rdc.rdcost = 2470 RDCOST(x->rdmult, x->rddiv, this_rdc.rate, this_rdc.dist); 2471 if (this_rdc.rdcost < b_best_rd) { 2472 b_best_rd = this_rdc.rdcost; 2473 bsi[ref_frame][i].as_mode = this_mode; 2474 bsi[ref_frame][i].as_mv[0].as_mv = xd->mi[0]->bmi[i].as_mv[0].as_mv; 2475 } 2476 } // mode search 2477 2478 // restore source and prediction buffer pointers. 2479 p->src = orig_src; 2480 pd->pre[0] = orig_pre[0]; 2481 pd->dst = orig_dst; 2482 this_rd += b_best_rd; 2483 2484 xd->mi[0]->bmi[i] = bsi[ref_frame][i]; 2485 if (num_4x4_blocks_wide > 1) xd->mi[0]->bmi[i + 1] = xd->mi[0]->bmi[i]; 2486 if (num_4x4_blocks_high > 1) xd->mi[0]->bmi[i + 2] = xd->mi[0]->bmi[i]; 2487 } 2488 } // loop through sub8x8 blocks 2489 2490 if (this_rd < best_rd) { 2491 best_rd = this_rd; 2492 best_ref_frame = ref_frame; 2493 } 2494 } // reference frames 2495 2496 mi->tx_size = TX_4X4; 2497 mi->ref_frame[0] = best_ref_frame; 2498 for (idy = 0; idy < 2; idy += num_4x4_blocks_high) { 2499 for (idx = 0; idx < 2; idx += num_4x4_blocks_wide) { 2500 const int block = idy * 2 + idx; 2501 xd->mi[0]->bmi[block] = bsi[best_ref_frame][block]; 2502 if (num_4x4_blocks_wide > 1) 2503 xd->mi[0]->bmi[block + 1] = bsi[best_ref_frame][block]; 2504 if (num_4x4_blocks_high > 1) 2505 xd->mi[0]->bmi[block + 2] = bsi[best_ref_frame][block]; 2506 } 2507 } 2508 mi->mode = xd->mi[0]->bmi[3].as_mode; 2509 ctx->mic = *(xd->mi[0]); 2510 ctx->mbmi_ext = *x->mbmi_ext; 2511 ctx->skip_txfm[0] = SKIP_TXFM_NONE; 2512 ctx->skip = 0; 2513 // Dummy assignment for speed -5. No effect in speed -6. 2514 rd_cost->rdcost = best_rd; 2515 } 2516
