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_dsp/vpx_dsp_common.h" 20#include "vpx_mem/vpx_mem.h" 21#include "vpx_ports/mem.h" 22 23#include "vp9/common/vp9_blockd.h" 24#include "vp9/common/vp9_common.h" 25#include "vp9/common/vp9_mvref_common.h" 26#include "vp9/common/vp9_pred_common.h" 27#include "vp9/common/vp9_reconinter.h" 28#include "vp9/common/vp9_reconintra.h" 29#include "vp9/common/vp9_scan.h" 30 31#include "vp9/encoder/vp9_cost.h" 32#include "vp9/encoder/vp9_encoder.h" 33#include "vp9/encoder/vp9_pickmode.h" 34#include "vp9/encoder/vp9_ratectrl.h" 35#include "vp9/encoder/vp9_rd.h" 36 37typedef struct { 38 uint8_t *data; 39 int stride; 40 int in_use; 41} PRED_BUFFER; 42 43static int mv_refs_rt(const VP9_COMMON *cm, const MACROBLOCK *x, 44 const MACROBLOCKD *xd, 45 const TileInfo *const tile, 46 MODE_INFO *mi, MV_REFERENCE_FRAME ref_frame, 47 int_mv *mv_ref_list, 48 int mi_row, int mi_col) { 49 const int *ref_sign_bias = cm->ref_frame_sign_bias; 50 int i, refmv_count = 0; 51 52 const POSITION *const mv_ref_search = mv_ref_blocks[mi->mbmi.sb_type]; 53 54 int different_ref_found = 0; 55 int context_counter = 0; 56 int const_motion = 0; 57 58 // Blank the reference vector list 59 memset(mv_ref_list, 0, sizeof(*mv_ref_list) * MAX_MV_REF_CANDIDATES); 60 61 // The nearest 2 blocks are treated differently 62 // if the size < 8x8 we get the mv from the bmi substructure, 63 // and we also need to keep a mode count. 64 for (i = 0; i < 2; ++i) { 65 const POSITION *const mv_ref = &mv_ref_search[i]; 66 if (is_inside(tile, mi_col, mi_row, cm->mi_rows, mv_ref)) { 67 const MODE_INFO *const candidate_mi = xd->mi[mv_ref->col + mv_ref->row * 68 xd->mi_stride]; 69 const MB_MODE_INFO *const candidate = &candidate_mi->mbmi; 70 // Keep counts for entropy encoding. 71 context_counter += mode_2_counter[candidate->mode]; 72 different_ref_found = 1; 73 74 if (candidate->ref_frame[0] == ref_frame) 75 ADD_MV_REF_LIST(get_sub_block_mv(candidate_mi, 0, mv_ref->col, -1), 76 refmv_count, mv_ref_list, Done); 77 } 78 } 79 80 const_motion = 1; 81 82 // Check the rest of the neighbors in much the same way 83 // as before except we don't need to keep track of sub blocks or 84 // mode counts. 85 for (; i < MVREF_NEIGHBOURS && !refmv_count; ++i) { 86 const POSITION *const mv_ref = &mv_ref_search[i]; 87 if (is_inside(tile, mi_col, mi_row, cm->mi_rows, mv_ref)) { 88 const MB_MODE_INFO *const candidate = &xd->mi[mv_ref->col + mv_ref->row * 89 xd->mi_stride]->mbmi; 90 different_ref_found = 1; 91 92 if (candidate->ref_frame[0] == ref_frame) 93 ADD_MV_REF_LIST(candidate->mv[0], refmv_count, mv_ref_list, Done); 94 } 95 } 96 97 // Since we couldn't find 2 mvs from the same reference frame 98 // go back through the neighbors and find motion vectors from 99 // different reference frames. 100 if (different_ref_found && !refmv_count) { 101 for (i = 0; i < MVREF_NEIGHBOURS; ++i) { 102 const POSITION *mv_ref = &mv_ref_search[i]; 103 if (is_inside(tile, mi_col, mi_row, cm->mi_rows, mv_ref)) { 104 const MB_MODE_INFO *const candidate = &xd->mi[mv_ref->col + mv_ref->row 105 * xd->mi_stride]->mbmi; 106 107 // If the candidate is INTRA we don't want to consider its mv. 108 IF_DIFF_REF_FRAME_ADD_MV(candidate, ref_frame, ref_sign_bias, 109 refmv_count, mv_ref_list, Done); 110 } 111 } 112 } 113 114 Done: 115 116 x->mbmi_ext->mode_context[ref_frame] = counter_to_context[context_counter]; 117 118 // Clamp vectors 119 for (i = 0; i < MAX_MV_REF_CANDIDATES; ++i) 120 clamp_mv_ref(&mv_ref_list[i].as_mv, xd); 121 122 return const_motion; 123} 124 125static int combined_motion_search(VP9_COMP *cpi, MACROBLOCK *x, 126 BLOCK_SIZE bsize, int mi_row, int mi_col, 127 int_mv *tmp_mv, int *rate_mv, 128 int64_t best_rd_sofar) { 129 MACROBLOCKD *xd = &x->e_mbd; 130 MB_MODE_INFO *mbmi = &xd->mi[0]->mbmi; 131 struct buf_2d backup_yv12[MAX_MB_PLANE] = {{0, 0}}; 132 const int step_param = cpi->sf.mv.fullpel_search_step_param; 133 const int sadpb = x->sadperbit16; 134 MV mvp_full; 135 const int ref = mbmi->ref_frame[0]; 136 const MV ref_mv = x->mbmi_ext->ref_mvs[ref][0].as_mv; 137 int dis; 138 int rate_mode; 139 const int tmp_col_min = x->mv_col_min; 140 const int tmp_col_max = x->mv_col_max; 141 const int tmp_row_min = x->mv_row_min; 142 const int tmp_row_max = x->mv_row_max; 143 int rv = 0; 144 int cost_list[5]; 145 const YV12_BUFFER_CONFIG *scaled_ref_frame = vp9_get_scaled_ref_frame(cpi, 146 ref); 147 if (scaled_ref_frame) { 148 int i; 149 // Swap out the reference frame for a version that's been scaled to 150 // match the resolution of the current frame, allowing the existing 151 // motion search code to be used without additional modifications. 152 for (i = 0; i < MAX_MB_PLANE; i++) 153 backup_yv12[i] = xd->plane[i].pre[0]; 154 vp9_setup_pre_planes(xd, 0, scaled_ref_frame, mi_row, mi_col, NULL); 155 } 156 vp9_set_mv_search_range(x, &ref_mv); 157 158 assert(x->mv_best_ref_index[ref] <= 2); 159 if (x->mv_best_ref_index[ref] < 2) 160 mvp_full = x->mbmi_ext->ref_mvs[ref][x->mv_best_ref_index[ref]].as_mv; 161 else 162 mvp_full = x->pred_mv[ref]; 163 164 mvp_full.col >>= 3; 165 mvp_full.row >>= 3; 166 167 vp9_full_pixel_search(cpi, x, bsize, &mvp_full, step_param, sadpb, 168 cond_cost_list(cpi, cost_list), 169 &ref_mv, &tmp_mv->as_mv, INT_MAX, 0); 170 171 x->mv_col_min = tmp_col_min; 172 x->mv_col_max = tmp_col_max; 173 x->mv_row_min = tmp_row_min; 174 x->mv_row_max = tmp_row_max; 175 176 // calculate the bit cost on motion vector 177 mvp_full.row = tmp_mv->as_mv.row * 8; 178 mvp_full.col = tmp_mv->as_mv.col * 8; 179 180 *rate_mv = vp9_mv_bit_cost(&mvp_full, &ref_mv, 181 x->nmvjointcost, x->mvcost, MV_COST_WEIGHT); 182 183 rate_mode = cpi->inter_mode_cost[x->mbmi_ext->mode_context[ref]] 184 [INTER_OFFSET(NEWMV)]; 185 rv = !(RDCOST(x->rdmult, x->rddiv, (*rate_mv + rate_mode), 0) > 186 best_rd_sofar); 187 188 if (rv) { 189 cpi->find_fractional_mv_step(x, &tmp_mv->as_mv, &ref_mv, 190 cpi->common.allow_high_precision_mv, 191 x->errorperbit, 192 &cpi->fn_ptr[bsize], 193 cpi->sf.mv.subpel_force_stop, 194 cpi->sf.mv.subpel_iters_per_step, 195 cond_cost_list(cpi, cost_list), 196 x->nmvjointcost, x->mvcost, 197 &dis, &x->pred_sse[ref], NULL, 0, 0); 198 *rate_mv = vp9_mv_bit_cost(&tmp_mv->as_mv, &ref_mv, 199 x->nmvjointcost, x->mvcost, MV_COST_WEIGHT); 200 } 201 202 if (scaled_ref_frame) { 203 int i; 204 for (i = 0; i < MAX_MB_PLANE; i++) 205 xd->plane[i].pre[0] = backup_yv12[i]; 206 } 207 return rv; 208} 209 210static void block_variance(const uint8_t *src, int src_stride, 211 const uint8_t *ref, int ref_stride, 212 int w, int h, unsigned int *sse, int *sum, 213 int block_size, unsigned int *sse8x8, 214 int *sum8x8, unsigned int *var8x8) { 215 int i, j, k = 0; 216 217 *sse = 0; 218 *sum = 0; 219 220 for (i = 0; i < h; i += block_size) { 221 for (j = 0; j < w; j += block_size) { 222 vpx_get8x8var(src + src_stride * i + j, src_stride, 223 ref + ref_stride * i + j, ref_stride, 224 &sse8x8[k], &sum8x8[k]); 225 *sse += sse8x8[k]; 226 *sum += sum8x8[k]; 227 var8x8[k] = sse8x8[k] - (((unsigned int)sum8x8[k] * sum8x8[k]) >> 6); 228 k++; 229 } 230 } 231} 232 233static void calculate_variance(int bw, int bh, TX_SIZE tx_size, 234 unsigned int *sse_i, int *sum_i, 235 unsigned int *var_o, unsigned int *sse_o, 236 int *sum_o) { 237 const BLOCK_SIZE unit_size = txsize_to_bsize[tx_size]; 238 const int nw = 1 << (bw - b_width_log2_lookup[unit_size]); 239 const int nh = 1 << (bh - b_height_log2_lookup[unit_size]); 240 int i, j, k = 0; 241 242 for (i = 0; i < nh; i += 2) { 243 for (j = 0; j < nw; j += 2) { 244 sse_o[k] = sse_i[i * nw + j] + sse_i[i * nw + j + 1] + 245 sse_i[(i + 1) * nw + j] + sse_i[(i + 1) * nw + j + 1]; 246 sum_o[k] = sum_i[i * nw + j] + sum_i[i * nw + j + 1] + 247 sum_i[(i + 1) * nw + j] + sum_i[(i + 1) * nw + j + 1]; 248 var_o[k] = sse_o[k] - (((unsigned int)sum_o[k] * sum_o[k]) >> 249 (b_width_log2_lookup[unit_size] + 250 b_height_log2_lookup[unit_size] + 6)); 251 k++; 252 } 253 } 254} 255 256static void model_rd_for_sb_y_large(VP9_COMP *cpi, BLOCK_SIZE bsize, 257 MACROBLOCK *x, MACROBLOCKD *xd, 258 int *out_rate_sum, int64_t *out_dist_sum, 259 unsigned int *var_y, unsigned int *sse_y, 260 int mi_row, int mi_col, int *early_term) { 261 // Note our transform coeffs are 8 times an orthogonal transform. 262 // Hence quantizer step is also 8 times. To get effective quantizer 263 // we need to divide by 8 before sending to modeling function. 264 unsigned int sse; 265 int rate; 266 int64_t dist; 267 struct macroblock_plane *const p = &x->plane[0]; 268 struct macroblockd_plane *const pd = &xd->plane[0]; 269 const uint32_t dc_quant = pd->dequant[0]; 270 const uint32_t ac_quant = pd->dequant[1]; 271 const int64_t dc_thr = dc_quant * dc_quant >> 6; 272 const int64_t ac_thr = ac_quant * ac_quant >> 6; 273 unsigned int var; 274 int sum; 275 int skip_dc = 0; 276 277 const int bw = b_width_log2_lookup[bsize]; 278 const int bh = b_height_log2_lookup[bsize]; 279 const int num8x8 = 1 << (bw + bh - 2); 280 unsigned int sse8x8[64] = {0}; 281 int sum8x8[64] = {0}; 282 unsigned int var8x8[64] = {0}; 283 TX_SIZE tx_size; 284 int i, k; 285 286 // Calculate variance for whole partition, and also save 8x8 blocks' variance 287 // to be used in following transform skipping test. 288 block_variance(p->src.buf, p->src.stride, pd->dst.buf, pd->dst.stride, 289 4 << bw, 4 << bh, &sse, &sum, 8, sse8x8, sum8x8, var8x8); 290 var = sse - (((int64_t)sum * sum) >> (bw + bh + 4)); 291 292 *var_y = var; 293 *sse_y = sse; 294 295 if (cpi->common.tx_mode == TX_MODE_SELECT) { 296 if (sse > (var << 2)) 297 tx_size = VPXMIN(max_txsize_lookup[bsize], 298 tx_mode_to_biggest_tx_size[cpi->common.tx_mode]); 299 else 300 tx_size = TX_8X8; 301 302 if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ && 303 cyclic_refresh_segment_id_boosted(xd->mi[0]->mbmi.segment_id)) 304 tx_size = TX_8X8; 305 else if (tx_size > TX_16X16) 306 tx_size = TX_16X16; 307 } else { 308 tx_size = VPXMIN(max_txsize_lookup[bsize], 309 tx_mode_to_biggest_tx_size[cpi->common.tx_mode]); 310 } 311 312 assert(tx_size >= TX_8X8); 313 xd->mi[0]->mbmi.tx_size = tx_size; 314 315 // Evaluate if the partition block is a skippable block in Y plane. 316 { 317 unsigned int sse16x16[16] = {0}; 318 int sum16x16[16] = {0}; 319 unsigned int var16x16[16] = {0}; 320 const int num16x16 = num8x8 >> 2; 321 322 unsigned int sse32x32[4] = {0}; 323 int sum32x32[4] = {0}; 324 unsigned int var32x32[4] = {0}; 325 const int num32x32 = num8x8 >> 4; 326 327 int ac_test = 1; 328 int dc_test = 1; 329 const int num = (tx_size == TX_8X8) ? num8x8 : 330 ((tx_size == TX_16X16) ? num16x16 : num32x32); 331 const unsigned int *sse_tx = (tx_size == TX_8X8) ? sse8x8 : 332 ((tx_size == TX_16X16) ? sse16x16 : sse32x32); 333 const unsigned int *var_tx = (tx_size == TX_8X8) ? var8x8 : 334 ((tx_size == TX_16X16) ? var16x16 : var32x32); 335 336 // Calculate variance if tx_size > TX_8X8 337 if (tx_size >= TX_16X16) 338 calculate_variance(bw, bh, TX_8X8, sse8x8, sum8x8, var16x16, sse16x16, 339 sum16x16); 340 if (tx_size == TX_32X32) 341 calculate_variance(bw, bh, TX_16X16, sse16x16, sum16x16, var32x32, 342 sse32x32, sum32x32); 343 344 // Skipping test 345 x->skip_txfm[0] = SKIP_TXFM_NONE; 346 for (k = 0; k < num; k++) 347 // Check if all ac coefficients can be quantized to zero. 348 if (!(var_tx[k] < ac_thr || var == 0)) { 349 ac_test = 0; 350 break; 351 } 352 353 for (k = 0; k < num; k++) 354 // Check if dc coefficient can be quantized to zero. 355 if (!(sse_tx[k] - var_tx[k] < dc_thr || sse == var)) { 356 dc_test = 0; 357 break; 358 } 359 360 if (ac_test) { 361 x->skip_txfm[0] = SKIP_TXFM_AC_ONLY; 362 363 if (dc_test) 364 x->skip_txfm[0] = SKIP_TXFM_AC_DC; 365 } else if (dc_test) { 366 skip_dc = 1; 367 } 368 } 369 370 if (x->skip_txfm[0] == SKIP_TXFM_AC_DC) { 371 int skip_uv[2] = {0}; 372 unsigned int var_uv[2]; 373 unsigned int sse_uv[2]; 374 375 *out_rate_sum = 0; 376 *out_dist_sum = sse << 4; 377 378 // Transform skipping test in UV planes. 379 for (i = 1; i <= 2; i++) { 380 struct macroblock_plane *const p = &x->plane[i]; 381 struct macroblockd_plane *const pd = &xd->plane[i]; 382 const TX_SIZE uv_tx_size = get_uv_tx_size(&xd->mi[0]->mbmi, pd); 383 const BLOCK_SIZE unit_size = txsize_to_bsize[uv_tx_size]; 384 const BLOCK_SIZE uv_bsize = get_plane_block_size(bsize, pd); 385 const int uv_bw = b_width_log2_lookup[uv_bsize]; 386 const int uv_bh = b_height_log2_lookup[uv_bsize]; 387 const int sf = (uv_bw - b_width_log2_lookup[unit_size]) + 388 (uv_bh - b_height_log2_lookup[unit_size]); 389 const uint32_t uv_dc_thr = pd->dequant[0] * pd->dequant[0] >> (6 - sf); 390 const uint32_t uv_ac_thr = pd->dequant[1] * pd->dequant[1] >> (6 - sf); 391 int j = i - 1; 392 393 vp9_build_inter_predictors_sbp(xd, mi_row, mi_col, bsize, i); 394 var_uv[j] = cpi->fn_ptr[uv_bsize].vf(p->src.buf, p->src.stride, 395 pd->dst.buf, pd->dst.stride, &sse_uv[j]); 396 397 if ((var_uv[j] < uv_ac_thr || var_uv[j] == 0) && 398 (sse_uv[j] - var_uv[j] < uv_dc_thr || sse_uv[j] == var_uv[j])) 399 skip_uv[j] = 1; 400 else 401 break; 402 } 403 404 // If the transform in YUV planes are skippable, the mode search checks 405 // fewer inter modes and doesn't check intra modes. 406 if (skip_uv[0] & skip_uv[1]) { 407 *early_term = 1; 408 } 409 410 return; 411 } 412 413 if (!skip_dc) { 414#if CONFIG_VP9_HIGHBITDEPTH 415 if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { 416 vp9_model_rd_from_var_lapndz(sse - var, num_pels_log2_lookup[bsize], 417 dc_quant >> (xd->bd - 5), &rate, &dist); 418 } else { 419 vp9_model_rd_from_var_lapndz(sse - var, num_pels_log2_lookup[bsize], 420 dc_quant >> 3, &rate, &dist); 421 } 422#else 423 vp9_model_rd_from_var_lapndz(sse - var, num_pels_log2_lookup[bsize], 424 dc_quant >> 3, &rate, &dist); 425#endif // CONFIG_VP9_HIGHBITDEPTH 426 } 427 428 if (!skip_dc) { 429 *out_rate_sum = rate >> 1; 430 *out_dist_sum = dist << 3; 431 } else { 432 *out_rate_sum = 0; 433 *out_dist_sum = (sse - var) << 4; 434 } 435 436#if CONFIG_VP9_HIGHBITDEPTH 437 if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { 438 vp9_model_rd_from_var_lapndz(var, num_pels_log2_lookup[bsize], 439 ac_quant >> (xd->bd - 5), &rate, &dist); 440 } else { 441 vp9_model_rd_from_var_lapndz(var, num_pels_log2_lookup[bsize], 442 ac_quant >> 3, &rate, &dist); 443 } 444#else 445 vp9_model_rd_from_var_lapndz(var, num_pels_log2_lookup[bsize], 446 ac_quant >> 3, &rate, &dist); 447#endif // CONFIG_VP9_HIGHBITDEPTH 448 449 *out_rate_sum += rate; 450 *out_dist_sum += dist << 4; 451} 452 453static void model_rd_for_sb_y(VP9_COMP *cpi, BLOCK_SIZE bsize, 454 MACROBLOCK *x, MACROBLOCKD *xd, 455 int *out_rate_sum, int64_t *out_dist_sum, 456 unsigned int *var_y, unsigned int *sse_y) { 457 // Note our transform coeffs are 8 times an orthogonal transform. 458 // Hence quantizer step is also 8 times. To get effective quantizer 459 // we need to divide by 8 before sending to modeling function. 460 unsigned int sse; 461 int rate; 462 int64_t dist; 463 struct macroblock_plane *const p = &x->plane[0]; 464 struct macroblockd_plane *const pd = &xd->plane[0]; 465 const int64_t dc_thr = p->quant_thred[0] >> 6; 466 const int64_t ac_thr = p->quant_thred[1] >> 6; 467 const uint32_t dc_quant = pd->dequant[0]; 468 const uint32_t ac_quant = pd->dequant[1]; 469 unsigned int var = cpi->fn_ptr[bsize].vf(p->src.buf, p->src.stride, 470 pd->dst.buf, pd->dst.stride, &sse); 471 int skip_dc = 0; 472 473 *var_y = var; 474 *sse_y = sse; 475 476 if (cpi->common.tx_mode == TX_MODE_SELECT) { 477 if (sse > (var << 2)) 478 xd->mi[0]->mbmi.tx_size = 479 VPXMIN(max_txsize_lookup[bsize], 480 tx_mode_to_biggest_tx_size[cpi->common.tx_mode]); 481 else 482 xd->mi[0]->mbmi.tx_size = TX_8X8; 483 484 if (cpi->oxcf.aq_mode == CYCLIC_REFRESH_AQ && 485 cyclic_refresh_segment_id_boosted(xd->mi[0]->mbmi.segment_id)) 486 xd->mi[0]->mbmi.tx_size = TX_8X8; 487 else if (xd->mi[0]->mbmi.tx_size > TX_16X16) 488 xd->mi[0]->mbmi.tx_size = TX_16X16; 489 } else { 490 xd->mi[0]->mbmi.tx_size = 491 VPXMIN(max_txsize_lookup[bsize], 492 tx_mode_to_biggest_tx_size[cpi->common.tx_mode]); 493 } 494 495 // Evaluate if the partition block is a skippable block in Y plane. 496 { 497 const BLOCK_SIZE unit_size = 498 txsize_to_bsize[xd->mi[0]->mbmi.tx_size]; 499 const unsigned int num_blk_log2 = 500 (b_width_log2_lookup[bsize] - b_width_log2_lookup[unit_size]) + 501 (b_height_log2_lookup[bsize] - b_height_log2_lookup[unit_size]); 502 const unsigned int sse_tx = sse >> num_blk_log2; 503 const unsigned int var_tx = var >> num_blk_log2; 504 505 x->skip_txfm[0] = SKIP_TXFM_NONE; 506 // Check if all ac coefficients can be quantized to zero. 507 if (var_tx < ac_thr || var == 0) { 508 x->skip_txfm[0] = SKIP_TXFM_AC_ONLY; 509 // Check if dc coefficient can be quantized to zero. 510 if (sse_tx - var_tx < dc_thr || sse == var) 511 x->skip_txfm[0] = SKIP_TXFM_AC_DC; 512 } else { 513 if (sse_tx - var_tx < dc_thr || sse == var) 514 skip_dc = 1; 515 } 516 } 517 518 if (x->skip_txfm[0] == SKIP_TXFM_AC_DC) { 519 *out_rate_sum = 0; 520 *out_dist_sum = sse << 4; 521 return; 522 } 523 524 if (!skip_dc) { 525#if CONFIG_VP9_HIGHBITDEPTH 526 if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { 527 vp9_model_rd_from_var_lapndz(sse - var, num_pels_log2_lookup[bsize], 528 dc_quant >> (xd->bd - 5), &rate, &dist); 529 } else { 530 vp9_model_rd_from_var_lapndz(sse - var, num_pels_log2_lookup[bsize], 531 dc_quant >> 3, &rate, &dist); 532 } 533#else 534 vp9_model_rd_from_var_lapndz(sse - var, num_pels_log2_lookup[bsize], 535 dc_quant >> 3, &rate, &dist); 536#endif // CONFIG_VP9_HIGHBITDEPTH 537 } 538 539 if (!skip_dc) { 540 *out_rate_sum = rate >> 1; 541 *out_dist_sum = dist << 3; 542 } else { 543 *out_rate_sum = 0; 544 *out_dist_sum = (sse - var) << 4; 545 } 546 547#if CONFIG_VP9_HIGHBITDEPTH 548 if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { 549 vp9_model_rd_from_var_lapndz(var, num_pels_log2_lookup[bsize], 550 ac_quant >> (xd->bd - 5), &rate, &dist); 551 } else { 552 vp9_model_rd_from_var_lapndz(var, num_pels_log2_lookup[bsize], 553 ac_quant >> 3, &rate, &dist); 554 } 555#else 556 vp9_model_rd_from_var_lapndz(var, num_pels_log2_lookup[bsize], 557 ac_quant >> 3, &rate, &dist); 558#endif // CONFIG_VP9_HIGHBITDEPTH 559 560 *out_rate_sum += rate; 561 *out_dist_sum += dist << 4; 562} 563 564#if CONFIG_VP9_HIGHBITDEPTH 565static void block_yrd(VP9_COMP *cpi, MACROBLOCK *x, int *rate, int64_t *dist, 566 int *skippable, int64_t *sse, int plane, 567 BLOCK_SIZE bsize, TX_SIZE tx_size) { 568 MACROBLOCKD *xd = &x->e_mbd; 569 unsigned int var_y, sse_y; 570 (void)plane; 571 (void)tx_size; 572 model_rd_for_sb_y(cpi, bsize, x, xd, rate, dist, &var_y, &sse_y); 573 *sse = INT_MAX; 574 *skippable = 0; 575 return; 576} 577#else 578static void block_yrd(VP9_COMP *cpi, MACROBLOCK *x, int *rate, int64_t *dist, 579 int *skippable, int64_t *sse, int plane, 580 BLOCK_SIZE bsize, TX_SIZE tx_size) { 581 MACROBLOCKD *xd = &x->e_mbd; 582 const struct macroblockd_plane *pd = &xd->plane[plane]; 583 const struct macroblock_plane *const p = &x->plane[plane]; 584 const int num_4x4_w = num_4x4_blocks_wide_lookup[bsize]; 585 const int num_4x4_h = num_4x4_blocks_high_lookup[bsize]; 586 const int step = 1 << (tx_size << 1); 587 const int block_step = (1 << tx_size); 588 int block = 0, r, c; 589 int shift = tx_size == TX_32X32 ? 0 : 2; 590 const int max_blocks_wide = num_4x4_w + (xd->mb_to_right_edge >= 0 ? 0 : 591 xd->mb_to_right_edge >> (5 + pd->subsampling_x)); 592 const int max_blocks_high = num_4x4_h + (xd->mb_to_bottom_edge >= 0 ? 0 : 593 xd->mb_to_bottom_edge >> (5 + pd->subsampling_y)); 594 int eob_cost = 0; 595 596 (void)cpi; 597 vp9_subtract_plane(x, bsize, plane); 598 *skippable = 1; 599 // Keep track of the row and column of the blocks we use so that we know 600 // if we are in the unrestricted motion border. 601 for (r = 0; r < max_blocks_high; r += block_step) { 602 for (c = 0; c < num_4x4_w; c += block_step) { 603 if (c < max_blocks_wide) { 604 const scan_order *const scan_order = &vp9_default_scan_orders[tx_size]; 605 tran_low_t *const coeff = BLOCK_OFFSET(p->coeff, block); 606 tran_low_t *const qcoeff = BLOCK_OFFSET(p->qcoeff, block); 607 tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block); 608 uint16_t *const eob = &p->eobs[block]; 609 const int diff_stride = 4 * num_4x4_blocks_wide_lookup[bsize]; 610 const int16_t *src_diff; 611 src_diff = &p->src_diff[(r * diff_stride + c) << 2]; 612 613 switch (tx_size) { 614 case TX_32X32: 615 vpx_fdct32x32_rd(src_diff, coeff, diff_stride); 616 vp9_quantize_fp_32x32(coeff, 1024, x->skip_block, p->zbin, 617 p->round_fp, p->quant_fp, p->quant_shift, 618 qcoeff, dqcoeff, pd->dequant, eob, 619 scan_order->scan, scan_order->iscan); 620 break; 621 case TX_16X16: 622 vp9_hadamard_16x16(src_diff, diff_stride, (int16_t *)coeff); 623 vp9_quantize_fp(coeff, 256, x->skip_block, p->zbin, p->round_fp, 624 p->quant_fp, p->quant_shift, qcoeff, dqcoeff, 625 pd->dequant, eob, 626 scan_order->scan, scan_order->iscan); 627 break; 628 case TX_8X8: 629 vp9_hadamard_8x8(src_diff, diff_stride, (int16_t *)coeff); 630 vp9_quantize_fp(coeff, 64, x->skip_block, p->zbin, p->round_fp, 631 p->quant_fp, p->quant_shift, qcoeff, dqcoeff, 632 pd->dequant, eob, 633 scan_order->scan, scan_order->iscan); 634 break; 635 case TX_4X4: 636 x->fwd_txm4x4(src_diff, coeff, diff_stride); 637 vp9_quantize_fp(coeff, 16, x->skip_block, p->zbin, p->round_fp, 638 p->quant_fp, p->quant_shift, qcoeff, dqcoeff, 639 pd->dequant, eob, 640 scan_order->scan, scan_order->iscan); 641 break; 642 default: 643 assert(0); 644 break; 645 } 646 *skippable &= (*eob == 0); 647 eob_cost += 1; 648 } 649 block += step; 650 } 651 } 652 653 if (*skippable && *sse < INT64_MAX) { 654 *rate = 0; 655 *dist = (*sse << 6) >> shift; 656 *sse = *dist; 657 return; 658 } 659 660 block = 0; 661 *rate = 0; 662 *dist = 0; 663 if (*sse < INT64_MAX) 664 *sse = (*sse << 6) >> shift; 665 for (r = 0; r < max_blocks_high; r += block_step) { 666 for (c = 0; c < num_4x4_w; c += block_step) { 667 if (c < max_blocks_wide) { 668 tran_low_t *const coeff = BLOCK_OFFSET(p->coeff, block); 669 tran_low_t *const qcoeff = BLOCK_OFFSET(p->qcoeff, block); 670 tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block); 671 uint16_t *const eob = &p->eobs[block]; 672 673 if (*eob == 1) 674 *rate += (int)abs(qcoeff[0]); 675 else if (*eob > 1) 676 *rate += (int)vp9_satd((const int16_t *)qcoeff, step << 4); 677 678 *dist += vp9_block_error_fp(coeff, dqcoeff, step << 4) >> shift; 679 } 680 block += step; 681 } 682 } 683 684 if (*skippable == 0) { 685 *rate <<= 10; 686 *rate += (eob_cost << 8); 687 } 688} 689#endif 690 691static void model_rd_for_sb_uv(VP9_COMP *cpi, BLOCK_SIZE plane_bsize, 692 MACROBLOCK *x, MACROBLOCKD *xd, 693 int *out_rate_sum, int64_t *out_dist_sum, 694 unsigned int *var_y, unsigned int *sse_y, 695 int start_plane, int stop_plane) { 696 // Note our transform coeffs are 8 times an orthogonal transform. 697 // Hence quantizer step is also 8 times. To get effective quantizer 698 // we need to divide by 8 before sending to modeling function. 699 unsigned int sse; 700 int rate; 701 int64_t dist; 702 int i; 703 704 *out_rate_sum = 0; 705 *out_dist_sum = 0; 706 707 for (i = start_plane; i <= stop_plane; ++i) { 708 struct macroblock_plane *const p = &x->plane[i]; 709 struct macroblockd_plane *const pd = &xd->plane[i]; 710 const uint32_t dc_quant = pd->dequant[0]; 711 const uint32_t ac_quant = pd->dequant[1]; 712 const BLOCK_SIZE bs = plane_bsize; 713 unsigned int var; 714 715 if (!x->color_sensitivity[i - 1]) 716 continue; 717 718 var = cpi->fn_ptr[bs].vf(p->src.buf, p->src.stride, 719 pd->dst.buf, pd->dst.stride, &sse); 720 *var_y += var; 721 *sse_y += sse; 722 723 #if CONFIG_VP9_HIGHBITDEPTH 724 if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { 725 vp9_model_rd_from_var_lapndz(sse - var, num_pels_log2_lookup[bs], 726 dc_quant >> (xd->bd - 5), &rate, &dist); 727 } else { 728 vp9_model_rd_from_var_lapndz(sse - var, num_pels_log2_lookup[bs], 729 dc_quant >> 3, &rate, &dist); 730 } 731 #else 732 vp9_model_rd_from_var_lapndz(sse - var, num_pels_log2_lookup[bs], 733 dc_quant >> 3, &rate, &dist); 734 #endif // CONFIG_VP9_HIGHBITDEPTH 735 736 *out_rate_sum += rate >> 1; 737 *out_dist_sum += dist << 3; 738 739 #if CONFIG_VP9_HIGHBITDEPTH 740 if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { 741 vp9_model_rd_from_var_lapndz(var, num_pels_log2_lookup[bs], 742 ac_quant >> (xd->bd - 5), &rate, &dist); 743 } else { 744 vp9_model_rd_from_var_lapndz(var, num_pels_log2_lookup[bs], 745 ac_quant >> 3, &rate, &dist); 746 } 747 #else 748 vp9_model_rd_from_var_lapndz(var, num_pels_log2_lookup[bs], 749 ac_quant >> 3, &rate, &dist); 750 #endif // CONFIG_VP9_HIGHBITDEPTH 751 752 *out_rate_sum += rate; 753 *out_dist_sum += dist << 4; 754 } 755} 756 757static int get_pred_buffer(PRED_BUFFER *p, int len) { 758 int i; 759 760 for (i = 0; i < len; i++) { 761 if (!p[i].in_use) { 762 p[i].in_use = 1; 763 return i; 764 } 765 } 766 return -1; 767} 768 769static void free_pred_buffer(PRED_BUFFER *p) { 770 if (p != NULL) 771 p->in_use = 0; 772} 773 774static void encode_breakout_test(VP9_COMP *cpi, MACROBLOCK *x, 775 BLOCK_SIZE bsize, int mi_row, int mi_col, 776 MV_REFERENCE_FRAME ref_frame, 777 PREDICTION_MODE this_mode, 778 unsigned int var_y, unsigned int sse_y, 779 struct buf_2d yv12_mb[][MAX_MB_PLANE], 780 int *rate, int64_t *dist) { 781 MACROBLOCKD *xd = &x->e_mbd; 782 783 const BLOCK_SIZE uv_size = get_plane_block_size(bsize, &xd->plane[1]); 784 unsigned int var = var_y, sse = sse_y; 785 // Skipping threshold for ac. 786 unsigned int thresh_ac; 787 // Skipping threshold for dc. 788 unsigned int thresh_dc; 789 if (x->encode_breakout > 0) { 790 // Set a maximum for threshold to avoid big PSNR loss in low bit rate 791 // case. Use extreme low threshold for static frames to limit 792 // skipping. 793 const unsigned int max_thresh = 36000; 794 // The encode_breakout input 795 const unsigned int min_thresh = 796 VPXMIN(((unsigned int)x->encode_breakout << 4), max_thresh); 797#if CONFIG_VP9_HIGHBITDEPTH 798 const int shift = (xd->bd << 1) - 16; 799#endif 800 801 // Calculate threshold according to dequant value. 802 thresh_ac = (xd->plane[0].dequant[1] * xd->plane[0].dequant[1]) >> 3; 803#if CONFIG_VP9_HIGHBITDEPTH 804 if ((xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) && shift > 0) { 805 thresh_ac = ROUND_POWER_OF_TWO(thresh_ac, shift); 806 } 807#endif // CONFIG_VP9_HIGHBITDEPTH 808 thresh_ac = clamp(thresh_ac, min_thresh, max_thresh); 809 810 // Adjust ac threshold according to partition size. 811 thresh_ac >>= 812 8 - (b_width_log2_lookup[bsize] + b_height_log2_lookup[bsize]); 813 814 thresh_dc = (xd->plane[0].dequant[0] * xd->plane[0].dequant[0] >> 6); 815#if CONFIG_VP9_HIGHBITDEPTH 816 if ((xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) && shift > 0) { 817 thresh_dc = ROUND_POWER_OF_TWO(thresh_dc, shift); 818 } 819#endif // CONFIG_VP9_HIGHBITDEPTH 820 } else { 821 thresh_ac = 0; 822 thresh_dc = 0; 823 } 824 825 // Y skipping condition checking for ac and dc. 826 if (var <= thresh_ac && (sse - var) <= thresh_dc) { 827 unsigned int sse_u, sse_v; 828 unsigned int var_u, var_v; 829 830 // Skip UV prediction unless breakout is zero (lossless) to save 831 // computation with low impact on the result 832 if (x->encode_breakout == 0) { 833 xd->plane[1].pre[0] = yv12_mb[ref_frame][1]; 834 xd->plane[2].pre[0] = yv12_mb[ref_frame][2]; 835 vp9_build_inter_predictors_sbuv(xd, mi_row, mi_col, bsize); 836 } 837 838 var_u = cpi->fn_ptr[uv_size].vf(x->plane[1].src.buf, 839 x->plane[1].src.stride, 840 xd->plane[1].dst.buf, 841 xd->plane[1].dst.stride, &sse_u); 842 843 // U skipping condition checking 844 if (((var_u << 2) <= thresh_ac) && (sse_u - var_u <= thresh_dc)) { 845 var_v = cpi->fn_ptr[uv_size].vf(x->plane[2].src.buf, 846 x->plane[2].src.stride, 847 xd->plane[2].dst.buf, 848 xd->plane[2].dst.stride, &sse_v); 849 850 // V skipping condition checking 851 if (((var_v << 2) <= thresh_ac) && (sse_v - var_v <= thresh_dc)) { 852 x->skip = 1; 853 854 // The cost of skip bit needs to be added. 855 *rate = cpi->inter_mode_cost[x->mbmi_ext->mode_context[ref_frame]] 856 [INTER_OFFSET(this_mode)]; 857 858 // More on this part of rate 859 // rate += vp9_cost_bit(vp9_get_skip_prob(cm, xd), 1); 860 861 // Scaling factor for SSE from spatial domain to frequency 862 // domain is 16. Adjust distortion accordingly. 863 // TODO(yunqingwang): In this function, only y-plane dist is 864 // calculated. 865 *dist = (sse << 4); // + ((sse_u + sse_v) << 4); 866 867 // *disable_skip = 1; 868 } 869 } 870 } 871} 872 873struct estimate_block_intra_args { 874 VP9_COMP *cpi; 875 MACROBLOCK *x; 876 PREDICTION_MODE mode; 877 int rate; 878 int64_t dist; 879}; 880 881static void estimate_block_intra(int plane, int block, BLOCK_SIZE plane_bsize, 882 TX_SIZE tx_size, void *arg) { 883 struct estimate_block_intra_args* const args = arg; 884 VP9_COMP *const cpi = args->cpi; 885 MACROBLOCK *const x = args->x; 886 MACROBLOCKD *const xd = &x->e_mbd; 887 struct macroblock_plane *const p = &x->plane[0]; 888 struct macroblockd_plane *const pd = &xd->plane[0]; 889 const BLOCK_SIZE bsize_tx = txsize_to_bsize[tx_size]; 890 uint8_t *const src_buf_base = p->src.buf; 891 uint8_t *const dst_buf_base = pd->dst.buf; 892 const int src_stride = p->src.stride; 893 const int dst_stride = pd->dst.stride; 894 int i, j; 895 int rate; 896 int64_t dist; 897 898 txfrm_block_to_raster_xy(plane_bsize, tx_size, block, &i, &j); 899 900 p->src.buf = &src_buf_base[4 * (j * src_stride + i)]; 901 pd->dst.buf = &dst_buf_base[4 * (j * dst_stride + i)]; 902 // Use source buffer as an approximation for the fully reconstructed buffer. 903 vp9_predict_intra_block(xd, b_width_log2_lookup[plane_bsize], 904 tx_size, args->mode, 905 x->skip_encode ? p->src.buf : pd->dst.buf, 906 x->skip_encode ? src_stride : dst_stride, 907 pd->dst.buf, dst_stride, 908 i, j, plane); 909 910 if (plane == 0) { 911 int64_t this_sse = INT64_MAX; 912 int is_skippable; 913 // TODO(jingning): This needs further refactoring. 914 block_yrd(cpi, x, &rate, &dist, &is_skippable, &this_sse, 0, 915 bsize_tx, VPXMIN(tx_size, TX_16X16)); 916 x->skip_txfm[0] = is_skippable; 917 // TODO(jingning): Skip is signalled per prediciton block not per tx block. 918 rate += vp9_cost_bit(vp9_get_skip_prob(&cpi->common, xd), is_skippable); 919 } else { 920 unsigned int var, sse; 921 model_rd_for_sb_uv(cpi, plane_bsize, x, xd, &rate, &dist, &var, &sse, 922 plane, plane); 923 } 924 925 p->src.buf = src_buf_base; 926 pd->dst.buf = dst_buf_base; 927 args->rate += rate; 928 args->dist += dist; 929} 930 931static const THR_MODES mode_idx[MAX_REF_FRAMES - 1][4] = { 932 {THR_DC, THR_V_PRED, THR_H_PRED, THR_TM}, 933 {THR_NEARESTMV, THR_NEARMV, THR_ZEROMV, THR_NEWMV}, 934 {THR_NEARESTG, THR_NEARG, THR_ZEROG, THR_NEWG}, 935}; 936 937static const PREDICTION_MODE intra_mode_list[] = { 938 DC_PRED, V_PRED, H_PRED, TM_PRED 939}; 940 941static int mode_offset(const PREDICTION_MODE mode) { 942 if (mode >= NEARESTMV) { 943 return INTER_OFFSET(mode); 944 } else { 945 switch (mode) { 946 case DC_PRED: 947 return 0; 948 case V_PRED: 949 return 1; 950 case H_PRED: 951 return 2; 952 case TM_PRED: 953 return 3; 954 default: 955 return -1; 956 } 957 } 958} 959 960static INLINE void update_thresh_freq_fact(VP9_COMP *cpi, 961 TileDataEnc *tile_data, 962 BLOCK_SIZE bsize, 963 MV_REFERENCE_FRAME ref_frame, 964 THR_MODES best_mode_idx, 965 PREDICTION_MODE mode) { 966 THR_MODES thr_mode_idx = mode_idx[ref_frame][mode_offset(mode)]; 967 int *freq_fact = &tile_data->thresh_freq_fact[bsize][thr_mode_idx]; 968 if (thr_mode_idx == best_mode_idx) 969 *freq_fact -= (*freq_fact >> 4); 970 else 971 *freq_fact = VPXMIN(*freq_fact + RD_THRESH_INC, 972 cpi->sf.adaptive_rd_thresh * RD_THRESH_MAX_FACT); 973} 974 975void vp9_pick_intra_mode(VP9_COMP *cpi, MACROBLOCK *x, RD_COST *rd_cost, 976 BLOCK_SIZE bsize, PICK_MODE_CONTEXT *ctx) { 977 MACROBLOCKD *const xd = &x->e_mbd; 978 MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi; 979 RD_COST this_rdc, best_rdc; 980 PREDICTION_MODE this_mode; 981 struct estimate_block_intra_args args = { cpi, x, DC_PRED, 0, 0 }; 982 const TX_SIZE intra_tx_size = 983 VPXMIN(max_txsize_lookup[bsize], 984 tx_mode_to_biggest_tx_size[cpi->common.tx_mode]); 985 MODE_INFO *const mic = xd->mi[0]; 986 int *bmode_costs; 987 const MODE_INFO *above_mi = xd->mi[-xd->mi_stride]; 988 const MODE_INFO *left_mi = xd->left_available ? xd->mi[-1] : NULL; 989 const PREDICTION_MODE A = vp9_above_block_mode(mic, above_mi, 0); 990 const PREDICTION_MODE L = vp9_left_block_mode(mic, left_mi, 0); 991 bmode_costs = cpi->y_mode_costs[A][L]; 992 993 (void) ctx; 994 vp9_rd_cost_reset(&best_rdc); 995 vp9_rd_cost_reset(&this_rdc); 996 997 mbmi->ref_frame[0] = INTRA_FRAME; 998 mbmi->mv[0].as_int = INVALID_MV; 999 mbmi->uv_mode = DC_PRED; 1000 memset(x->skip_txfm, 0, sizeof(x->skip_txfm)); 1001 1002 // Change the limit of this loop to add other intra prediction 1003 // mode tests. 1004 for (this_mode = DC_PRED; this_mode <= H_PRED; ++this_mode) { 1005 args.mode = this_mode; 1006 args.rate = 0; 1007 args.dist = 0; 1008 mbmi->tx_size = intra_tx_size; 1009 vp9_foreach_transformed_block_in_plane(xd, bsize, 0, 1010 estimate_block_intra, &args); 1011 this_rdc.rate = args.rate; 1012 this_rdc.dist = args.dist; 1013 this_rdc.rate += bmode_costs[this_mode]; 1014 this_rdc.rdcost = RDCOST(x->rdmult, x->rddiv, 1015 this_rdc.rate, this_rdc.dist); 1016 1017 if (this_rdc.rdcost < best_rdc.rdcost) { 1018 best_rdc = this_rdc; 1019 mbmi->mode = this_mode; 1020 } 1021 } 1022 1023 *rd_cost = best_rdc; 1024} 1025 1026static void init_ref_frame_cost(VP9_COMMON *const cm, 1027 MACROBLOCKD *const xd, 1028 int ref_frame_cost[MAX_REF_FRAMES]) { 1029 vpx_prob intra_inter_p = vp9_get_intra_inter_prob(cm, xd); 1030 vpx_prob ref_single_p1 = vp9_get_pred_prob_single_ref_p1(cm, xd); 1031 vpx_prob ref_single_p2 = vp9_get_pred_prob_single_ref_p2(cm, xd); 1032 1033 ref_frame_cost[INTRA_FRAME] = vp9_cost_bit(intra_inter_p, 0); 1034 ref_frame_cost[LAST_FRAME] = ref_frame_cost[GOLDEN_FRAME] = 1035 ref_frame_cost[ALTREF_FRAME] = vp9_cost_bit(intra_inter_p, 1); 1036 1037 ref_frame_cost[LAST_FRAME] += vp9_cost_bit(ref_single_p1, 0); 1038 ref_frame_cost[GOLDEN_FRAME] += vp9_cost_bit(ref_single_p1, 1); 1039 ref_frame_cost[ALTREF_FRAME] += vp9_cost_bit(ref_single_p1, 1); 1040 ref_frame_cost[GOLDEN_FRAME] += vp9_cost_bit(ref_single_p2, 0); 1041 ref_frame_cost[ALTREF_FRAME] += vp9_cost_bit(ref_single_p2, 1); 1042} 1043 1044typedef struct { 1045 MV_REFERENCE_FRAME ref_frame; 1046 PREDICTION_MODE pred_mode; 1047} REF_MODE; 1048 1049#define RT_INTER_MODES 8 1050static const REF_MODE ref_mode_set[RT_INTER_MODES] = { 1051 {LAST_FRAME, ZEROMV}, 1052 {LAST_FRAME, NEARESTMV}, 1053 {GOLDEN_FRAME, ZEROMV}, 1054 {LAST_FRAME, NEARMV}, 1055 {LAST_FRAME, NEWMV}, 1056 {GOLDEN_FRAME, NEARESTMV}, 1057 {GOLDEN_FRAME, NEARMV}, 1058 {GOLDEN_FRAME, NEWMV} 1059}; 1060static const REF_MODE ref_mode_set_svc[RT_INTER_MODES] = { 1061 {LAST_FRAME, ZEROMV}, 1062 {GOLDEN_FRAME, ZEROMV}, 1063 {LAST_FRAME, NEARESTMV}, 1064 {LAST_FRAME, NEARMV}, 1065 {GOLDEN_FRAME, NEARESTMV}, 1066 {GOLDEN_FRAME, NEARMV}, 1067 {LAST_FRAME, NEWMV}, 1068 {GOLDEN_FRAME, NEWMV} 1069}; 1070 1071// TODO(jingning) placeholder for inter-frame non-RD mode decision. 1072// this needs various further optimizations. to be continued.. 1073void vp9_pick_inter_mode(VP9_COMP *cpi, MACROBLOCK *x, 1074 TileDataEnc *tile_data, 1075 int mi_row, int mi_col, RD_COST *rd_cost, 1076 BLOCK_SIZE bsize, PICK_MODE_CONTEXT *ctx) { 1077 VP9_COMMON *const cm = &cpi->common; 1078 SPEED_FEATURES *const sf = &cpi->sf; 1079 TileInfo *const tile_info = &tile_data->tile_info; 1080 MACROBLOCKD *const xd = &x->e_mbd; 1081 MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi; 1082 struct macroblockd_plane *const pd = &xd->plane[0]; 1083 PREDICTION_MODE best_mode = ZEROMV; 1084 MV_REFERENCE_FRAME ref_frame, best_ref_frame = LAST_FRAME; 1085 MV_REFERENCE_FRAME usable_ref_frame; 1086 TX_SIZE best_tx_size = TX_SIZES; 1087 INTERP_FILTER best_pred_filter = EIGHTTAP; 1088 int_mv frame_mv[MB_MODE_COUNT][MAX_REF_FRAMES]; 1089 struct buf_2d yv12_mb[4][MAX_MB_PLANE]; 1090 static const int flag_list[4] = { 0, VP9_LAST_FLAG, VP9_GOLD_FLAG, 1091 VP9_ALT_FLAG }; 1092 RD_COST this_rdc, best_rdc; 1093 uint8_t skip_txfm = SKIP_TXFM_NONE, best_mode_skip_txfm = SKIP_TXFM_NONE; 1094 // var_y and sse_y are saved to be used in skipping checking 1095 unsigned int var_y = UINT_MAX; 1096 unsigned int sse_y = UINT_MAX; 1097 // Reduce the intra cost penalty for small blocks (<=16x16). 1098 const int reduction_fac = (bsize <= BLOCK_16X16) ? 1099 ((bsize <= BLOCK_8X8) ? 4 : 2) : 0; 1100 const int intra_cost_penalty = vp9_get_intra_cost_penalty( 1101 cm->base_qindex, cm->y_dc_delta_q, cm->bit_depth) >> reduction_fac; 1102 const int64_t inter_mode_thresh = RDCOST(x->rdmult, x->rddiv, 1103 intra_cost_penalty, 0); 1104 const int *const rd_threshes = cpi->rd.threshes[mbmi->segment_id][bsize]; 1105 const int *const rd_thresh_freq_fact = tile_data->thresh_freq_fact[bsize]; 1106 INTERP_FILTER filter_ref; 1107 const int bsl = mi_width_log2_lookup[bsize]; 1108 const int pred_filter_search = cm->interp_filter == SWITCHABLE ? 1109 (((mi_row + mi_col) >> bsl) + 1110 get_chessboard_index(cm->current_video_frame)) & 0x1 : 0; 1111 int const_motion[MAX_REF_FRAMES] = { 0 }; 1112 const int bh = num_4x4_blocks_high_lookup[bsize] << 2; 1113 const int bw = num_4x4_blocks_wide_lookup[bsize] << 2; 1114 // For speed 6, the result of interp filter is reused later in actual encoding 1115 // process. 1116 // tmp[3] points to dst buffer, and the other 3 point to allocated buffers. 1117 PRED_BUFFER tmp[4]; 1118 DECLARE_ALIGNED(16, uint8_t, pred_buf[3 * 64 * 64]); 1119#if CONFIG_VP9_HIGHBITDEPTH 1120 DECLARE_ALIGNED(16, uint16_t, pred_buf_16[3 * 64 * 64]); 1121#endif 1122 struct buf_2d orig_dst = pd->dst; 1123 PRED_BUFFER *best_pred = NULL; 1124 PRED_BUFFER *this_mode_pred = NULL; 1125 const int pixels_in_block = bh * bw; 1126 int reuse_inter_pred = cpi->sf.reuse_inter_pred_sby && ctx->pred_pixel_ready; 1127 int ref_frame_skip_mask = 0; 1128 int idx; 1129 int best_pred_sad = INT_MAX; 1130 int best_early_term = 0; 1131 int ref_frame_cost[MAX_REF_FRAMES]; 1132 1133 init_ref_frame_cost(cm, xd, ref_frame_cost); 1134 1135 if (reuse_inter_pred) { 1136 int i; 1137 for (i = 0; i < 3; i++) { 1138#if CONFIG_VP9_HIGHBITDEPTH 1139 if (cm->use_highbitdepth) 1140 tmp[i].data = CONVERT_TO_BYTEPTR(&pred_buf_16[pixels_in_block * i]); 1141 else 1142 tmp[i].data = &pred_buf[pixels_in_block * i]; 1143#else 1144 tmp[i].data = &pred_buf[pixels_in_block * i]; 1145#endif // CONFIG_VP9_HIGHBITDEPTH 1146 tmp[i].stride = bw; 1147 tmp[i].in_use = 0; 1148 } 1149 tmp[3].data = pd->dst.buf; 1150 tmp[3].stride = pd->dst.stride; 1151 tmp[3].in_use = 0; 1152 } 1153 1154 x->skip_encode = cpi->sf.skip_encode_frame && x->q_index < QIDX_SKIP_THRESH; 1155 x->skip = 0; 1156 1157 if (xd->up_available) 1158 filter_ref = xd->mi[-xd->mi_stride]->mbmi.interp_filter; 1159 else if (xd->left_available) 1160 filter_ref = xd->mi[-1]->mbmi.interp_filter; 1161 else 1162 filter_ref = cm->interp_filter; 1163 1164 // initialize mode decisions 1165 vp9_rd_cost_reset(&best_rdc); 1166 vp9_rd_cost_reset(rd_cost); 1167 mbmi->sb_type = bsize; 1168 mbmi->ref_frame[0] = NONE; 1169 mbmi->ref_frame[1] = NONE; 1170 mbmi->tx_size = VPXMIN(max_txsize_lookup[bsize], 1171 tx_mode_to_biggest_tx_size[cm->tx_mode]); 1172 1173#if CONFIG_VP9_TEMPORAL_DENOISING 1174 vp9_denoiser_reset_frame_stats(ctx); 1175#endif 1176 1177 if (cpi->rc.frames_since_golden == 0 && !cpi->use_svc) { 1178 usable_ref_frame = LAST_FRAME; 1179 } else { 1180 usable_ref_frame = GOLDEN_FRAME; 1181 } 1182 for (ref_frame = LAST_FRAME; ref_frame <= usable_ref_frame; ++ref_frame) { 1183 const YV12_BUFFER_CONFIG *yv12 = get_ref_frame_buffer(cpi, ref_frame); 1184 1185 x->pred_mv_sad[ref_frame] = INT_MAX; 1186 frame_mv[NEWMV][ref_frame].as_int = INVALID_MV; 1187 frame_mv[ZEROMV][ref_frame].as_int = 0; 1188 1189 if ((cpi->ref_frame_flags & flag_list[ref_frame]) && (yv12 != NULL)) { 1190 int_mv *const candidates = x->mbmi_ext->ref_mvs[ref_frame]; 1191 const struct scale_factors *const sf = &cm->frame_refs[ref_frame - 1].sf; 1192 1193 vp9_setup_pred_block(xd, yv12_mb[ref_frame], yv12, mi_row, mi_col, 1194 sf, sf); 1195 1196 if (cm->use_prev_frame_mvs) 1197 vp9_find_mv_refs(cm, xd, xd->mi[0], ref_frame, 1198 candidates, mi_row, mi_col, NULL, NULL, 1199 x->mbmi_ext->mode_context); 1200 else 1201 const_motion[ref_frame] = mv_refs_rt(cm, x, xd, tile_info, 1202 xd->mi[0], 1203 ref_frame, candidates, 1204 mi_row, mi_col); 1205 1206 vp9_find_best_ref_mvs(xd, cm->allow_high_precision_mv, candidates, 1207 &frame_mv[NEARESTMV][ref_frame], 1208 &frame_mv[NEARMV][ref_frame]); 1209 1210 if (!vp9_is_scaled(sf) && bsize >= BLOCK_8X8) 1211 vp9_mv_pred(cpi, x, yv12_mb[ref_frame][0].buf, yv12->y_stride, 1212 ref_frame, bsize); 1213 } else { 1214 ref_frame_skip_mask |= (1 << ref_frame); 1215 } 1216 } 1217 1218 for (idx = 0; idx < RT_INTER_MODES; ++idx) { 1219 int rate_mv = 0; 1220 int mode_rd_thresh; 1221 int mode_index; 1222 int i; 1223 int64_t this_sse; 1224 int is_skippable; 1225 int this_early_term = 0; 1226 PREDICTION_MODE this_mode = ref_mode_set[idx].pred_mode; 1227 if (cpi->use_svc) 1228 this_mode = ref_mode_set_svc[idx].pred_mode; 1229 1230 if (!(cpi->sf.inter_mode_mask[bsize] & (1 << this_mode))) 1231 continue; 1232 1233 ref_frame = ref_mode_set[idx].ref_frame; 1234 if (cpi->use_svc) 1235 ref_frame = ref_mode_set_svc[idx].ref_frame; 1236 if (!(cpi->ref_frame_flags & flag_list[ref_frame])) 1237 continue; 1238 if (const_motion[ref_frame] && this_mode == NEARMV) 1239 continue; 1240 1241 if (!(this_mode == ZEROMV && ref_frame == LAST_FRAME)) { 1242 i = (ref_frame == LAST_FRAME) ? GOLDEN_FRAME : LAST_FRAME; 1243 if ((cpi->ref_frame_flags & flag_list[i]) && sf->reference_masking) 1244 if (x->pred_mv_sad[ref_frame] > (x->pred_mv_sad[i] << 1)) 1245 ref_frame_skip_mask |= (1 << ref_frame); 1246 } 1247 if (ref_frame_skip_mask & (1 << ref_frame)) 1248 continue; 1249 1250 // Select prediction reference frames. 1251 for (i = 0; i < MAX_MB_PLANE; i++) 1252 xd->plane[i].pre[0] = yv12_mb[ref_frame][i]; 1253 1254 mbmi->ref_frame[0] = ref_frame; 1255 set_ref_ptrs(cm, xd, ref_frame, NONE); 1256 1257 mode_index = mode_idx[ref_frame][INTER_OFFSET(this_mode)]; 1258 mode_rd_thresh = best_mode_skip_txfm ? 1259 rd_threshes[mode_index] << 1 : rd_threshes[mode_index]; 1260 if (rd_less_than_thresh(best_rdc.rdcost, mode_rd_thresh, 1261 rd_thresh_freq_fact[mode_index])) 1262 continue; 1263 1264 if (this_mode == NEWMV) { 1265 if (ref_frame > LAST_FRAME && !cpi->use_svc) { 1266 int tmp_sad; 1267 int dis, cost_list[5]; 1268 1269 if (bsize < BLOCK_16X16) 1270 continue; 1271 1272 tmp_sad = vp9_int_pro_motion_estimation(cpi, x, bsize, mi_row, mi_col); 1273 1274 if (tmp_sad > x->pred_mv_sad[LAST_FRAME]) 1275 continue; 1276 if (tmp_sad + (num_pels_log2_lookup[bsize] << 4) > best_pred_sad) 1277 continue; 1278 1279 frame_mv[NEWMV][ref_frame].as_int = mbmi->mv[0].as_int; 1280 rate_mv = vp9_mv_bit_cost(&frame_mv[NEWMV][ref_frame].as_mv, 1281 &x->mbmi_ext->ref_mvs[ref_frame][0].as_mv, 1282 x->nmvjointcost, x->mvcost, MV_COST_WEIGHT); 1283 frame_mv[NEWMV][ref_frame].as_mv.row >>= 3; 1284 frame_mv[NEWMV][ref_frame].as_mv.col >>= 3; 1285 1286 cpi->find_fractional_mv_step(x, &frame_mv[NEWMV][ref_frame].as_mv, 1287 &x->mbmi_ext->ref_mvs[ref_frame][0].as_mv, 1288 cpi->common.allow_high_precision_mv, 1289 x->errorperbit, 1290 &cpi->fn_ptr[bsize], 1291 cpi->sf.mv.subpel_force_stop, 1292 cpi->sf.mv.subpel_iters_per_step, 1293 cond_cost_list(cpi, cost_list), 1294 x->nmvjointcost, x->mvcost, &dis, 1295 &x->pred_sse[ref_frame], NULL, 0, 0); 1296 } else if (!combined_motion_search(cpi, x, bsize, mi_row, mi_col, 1297 &frame_mv[NEWMV][ref_frame], &rate_mv, best_rdc.rdcost)) { 1298 continue; 1299 } 1300 } 1301 1302 if (this_mode == NEWMV && ref_frame == LAST_FRAME && 1303 frame_mv[NEWMV][LAST_FRAME].as_int != INVALID_MV) { 1304 const int pre_stride = xd->plane[0].pre[0].stride; 1305 const uint8_t * const pre_buf = xd->plane[0].pre[0].buf + 1306 (frame_mv[NEWMV][LAST_FRAME].as_mv.row >> 3) * pre_stride + 1307 (frame_mv[NEWMV][LAST_FRAME].as_mv.col >> 3); 1308 best_pred_sad = cpi->fn_ptr[bsize].sdf(x->plane[0].src.buf, 1309 x->plane[0].src.stride, 1310 pre_buf, pre_stride); 1311 x->pred_mv_sad[LAST_FRAME] = best_pred_sad; 1312 } 1313 1314 if (cpi->use_svc) { 1315 if (this_mode == NEWMV && ref_frame == GOLDEN_FRAME && 1316 frame_mv[NEWMV][GOLDEN_FRAME].as_int != INVALID_MV) { 1317 const int pre_stride = xd->plane[0].pre[0].stride; 1318 const uint8_t * const pre_buf = xd->plane[0].pre[0].buf + 1319 (frame_mv[NEWMV][GOLDEN_FRAME].as_mv.row >> 3) * pre_stride + 1320 (frame_mv[NEWMV][GOLDEN_FRAME].as_mv.col >> 3); 1321 best_pred_sad = cpi->fn_ptr[bsize].sdf(x->plane[0].src.buf, 1322 x->plane[0].src.stride, 1323 pre_buf, pre_stride); 1324 x->pred_mv_sad[GOLDEN_FRAME] = best_pred_sad; 1325 } 1326 } 1327 1328 1329 if (this_mode != NEARESTMV && 1330 frame_mv[this_mode][ref_frame].as_int == 1331 frame_mv[NEARESTMV][ref_frame].as_int) 1332 continue; 1333 1334 mbmi->mode = this_mode; 1335 mbmi->mv[0].as_int = frame_mv[this_mode][ref_frame].as_int; 1336 1337 // Search for the best prediction filter type, when the resulting 1338 // motion vector is at sub-pixel accuracy level for luma component, i.e., 1339 // the last three bits are all zeros. 1340 if (reuse_inter_pred) { 1341 if (!this_mode_pred) { 1342 this_mode_pred = &tmp[3]; 1343 } else { 1344 this_mode_pred = &tmp[get_pred_buffer(tmp, 3)]; 1345 pd->dst.buf = this_mode_pred->data; 1346 pd->dst.stride = bw; 1347 } 1348 } 1349 1350 if ((this_mode == NEWMV || filter_ref == SWITCHABLE) && pred_filter_search 1351 && (ref_frame == LAST_FRAME || 1352 (ref_frame == GOLDEN_FRAME && cpi->use_svc)) 1353 && (((mbmi->mv[0].as_mv.row | mbmi->mv[0].as_mv.col) & 0x07) != 0)) { 1354 int pf_rate[3]; 1355 int64_t pf_dist[3]; 1356 unsigned int pf_var[3]; 1357 unsigned int pf_sse[3]; 1358 TX_SIZE pf_tx_size[3]; 1359 int64_t best_cost = INT64_MAX; 1360 INTERP_FILTER best_filter = SWITCHABLE, filter; 1361 PRED_BUFFER *current_pred = this_mode_pred; 1362 1363 for (filter = EIGHTTAP; filter <= EIGHTTAP_SMOOTH; ++filter) { 1364 int64_t cost; 1365 mbmi->interp_filter = filter; 1366 vp9_build_inter_predictors_sby(xd, mi_row, mi_col, bsize); 1367 model_rd_for_sb_y(cpi, bsize, x, xd, &pf_rate[filter], &pf_dist[filter], 1368 &pf_var[filter], &pf_sse[filter]); 1369 pf_rate[filter] += vp9_get_switchable_rate(cpi, xd); 1370 cost = RDCOST(x->rdmult, x->rddiv, pf_rate[filter], pf_dist[filter]); 1371 pf_tx_size[filter] = mbmi->tx_size; 1372 if (cost < best_cost) { 1373 best_filter = filter; 1374 best_cost = cost; 1375 skip_txfm = x->skip_txfm[0]; 1376 1377 if (reuse_inter_pred) { 1378 if (this_mode_pred != current_pred) { 1379 free_pred_buffer(this_mode_pred); 1380 this_mode_pred = current_pred; 1381 } 1382 1383 if (filter < EIGHTTAP_SHARP) { 1384 current_pred = &tmp[get_pred_buffer(tmp, 3)]; 1385 pd->dst.buf = current_pred->data; 1386 pd->dst.stride = bw; 1387 } 1388 } 1389 } 1390 } 1391 1392 if (reuse_inter_pred && this_mode_pred != current_pred) 1393 free_pred_buffer(current_pred); 1394 1395 mbmi->interp_filter = best_filter; 1396 mbmi->tx_size = pf_tx_size[best_filter]; 1397 this_rdc.rate = pf_rate[best_filter]; 1398 this_rdc.dist = pf_dist[best_filter]; 1399 var_y = pf_var[best_filter]; 1400 sse_y = pf_sse[best_filter]; 1401 x->skip_txfm[0] = skip_txfm; 1402 if (reuse_inter_pred) { 1403 pd->dst.buf = this_mode_pred->data; 1404 pd->dst.stride = this_mode_pred->stride; 1405 } 1406 } else { 1407 mbmi->interp_filter = (filter_ref == SWITCHABLE) ? EIGHTTAP : filter_ref; 1408 vp9_build_inter_predictors_sby(xd, mi_row, mi_col, bsize); 1409 1410 // For large partition blocks, extra testing is done. 1411 if (bsize > BLOCK_32X32 && 1412 !cyclic_refresh_segment_id_boosted(xd->mi[0]->mbmi.segment_id) && 1413 cm->base_qindex) { 1414 model_rd_for_sb_y_large(cpi, bsize, x, xd, &this_rdc.rate, 1415 &this_rdc.dist, &var_y, &sse_y, mi_row, mi_col, 1416 &this_early_term); 1417 } else { 1418 model_rd_for_sb_y(cpi, bsize, x, xd, &this_rdc.rate, &this_rdc.dist, 1419 &var_y, &sse_y); 1420 } 1421 } 1422 1423 if (!this_early_term) { 1424 this_sse = (int64_t)sse_y; 1425 block_yrd(cpi, x, &this_rdc.rate, &this_rdc.dist, &is_skippable, 1426 &this_sse, 0, bsize, VPXMIN(mbmi->tx_size, TX_16X16)); 1427 x->skip_txfm[0] = is_skippable; 1428 if (is_skippable) { 1429 this_rdc.rate = vp9_cost_bit(vp9_get_skip_prob(cm, xd), 1); 1430 } else { 1431 if (RDCOST(x->rdmult, x->rddiv, this_rdc.rate, this_rdc.dist) < 1432 RDCOST(x->rdmult, x->rddiv, 0, this_sse)) { 1433 this_rdc.rate += vp9_cost_bit(vp9_get_skip_prob(cm, xd), 0); 1434 } else { 1435 this_rdc.rate = vp9_cost_bit(vp9_get_skip_prob(cm, xd), 1); 1436 this_rdc.dist = this_sse; 1437 x->skip_txfm[0] = SKIP_TXFM_AC_DC; 1438 } 1439 } 1440 1441 if (cm->interp_filter == SWITCHABLE) { 1442 if ((mbmi->mv[0].as_mv.row | mbmi->mv[0].as_mv.col) & 0x07) 1443 this_rdc.rate += vp9_get_switchable_rate(cpi, xd); 1444 } 1445 } else { 1446 this_rdc.rate += cm->interp_filter == SWITCHABLE ? 1447 vp9_get_switchable_rate(cpi, xd) : 0; 1448 this_rdc.rate += vp9_cost_bit(vp9_get_skip_prob(cm, xd), 1); 1449 } 1450 1451 if (x->color_sensitivity[0] || x->color_sensitivity[1]) { 1452 int uv_rate = 0; 1453 int64_t uv_dist = 0; 1454 const BLOCK_SIZE uv_bsize = get_plane_block_size(bsize, &xd->plane[1]); 1455 if (x->color_sensitivity[0]) 1456 vp9_build_inter_predictors_sbp(xd, mi_row, mi_col, bsize, 1); 1457 if (x->color_sensitivity[1]) 1458 vp9_build_inter_predictors_sbp(xd, mi_row, mi_col, bsize, 2); 1459 model_rd_for_sb_uv(cpi, uv_bsize, x, xd, &uv_rate, &uv_dist, 1460 &var_y, &sse_y, 1, 2); 1461 this_rdc.rate += uv_rate; 1462 this_rdc.dist += uv_dist; 1463 } 1464 1465 this_rdc.rate += rate_mv; 1466 this_rdc.rate += 1467 cpi->inter_mode_cost[x->mbmi_ext->mode_context[ref_frame]][INTER_OFFSET( 1468 this_mode)]; 1469 this_rdc.rate += ref_frame_cost[ref_frame]; 1470 this_rdc.rdcost = RDCOST(x->rdmult, x->rddiv, this_rdc.rate, this_rdc.dist); 1471 1472 // Skipping checking: test to see if this block can be reconstructed by 1473 // prediction only. 1474 if (cpi->allow_encode_breakout) { 1475 encode_breakout_test(cpi, x, bsize, mi_row, mi_col, ref_frame, this_mode, 1476 var_y, sse_y, yv12_mb, &this_rdc.rate, 1477 &this_rdc.dist); 1478 if (x->skip) { 1479 this_rdc.rate += rate_mv; 1480 this_rdc.rdcost = RDCOST(x->rdmult, x->rddiv, this_rdc.rate, 1481 this_rdc.dist); 1482 } 1483 } 1484 1485#if CONFIG_VP9_TEMPORAL_DENOISING 1486 if (cpi->oxcf.noise_sensitivity > 0) 1487 vp9_denoiser_update_frame_stats(mbmi, sse_y, this_mode, ctx); 1488#else 1489 (void)ctx; 1490#endif 1491 1492 if (this_rdc.rdcost < best_rdc.rdcost || x->skip) { 1493 best_rdc = this_rdc; 1494 best_mode = this_mode; 1495 best_pred_filter = mbmi->interp_filter; 1496 best_tx_size = mbmi->tx_size; 1497 best_ref_frame = ref_frame; 1498 best_mode_skip_txfm = x->skip_txfm[0]; 1499 best_early_term = this_early_term; 1500 1501 if (reuse_inter_pred) { 1502 free_pred_buffer(best_pred); 1503 best_pred = this_mode_pred; 1504 } 1505 } else { 1506 if (reuse_inter_pred) 1507 free_pred_buffer(this_mode_pred); 1508 } 1509 1510 if (x->skip) 1511 break; 1512 1513 // If early termination flag is 1 and at least 2 modes are checked, 1514 // the mode search is terminated. 1515 if (best_early_term && idx > 0) { 1516 x->skip = 1; 1517 break; 1518 } 1519 } 1520 1521 mbmi->mode = best_mode; 1522 mbmi->interp_filter = best_pred_filter; 1523 mbmi->tx_size = best_tx_size; 1524 mbmi->ref_frame[0] = best_ref_frame; 1525 mbmi->mv[0].as_int = frame_mv[best_mode][best_ref_frame].as_int; 1526 xd->mi[0]->bmi[0].as_mv[0].as_int = mbmi->mv[0].as_int; 1527 x->skip_txfm[0] = best_mode_skip_txfm; 1528 1529 // Perform intra prediction search, if the best SAD is above a certain 1530 // threshold. 1531 if (best_rdc.rdcost == INT64_MAX || 1532 (!x->skip && best_rdc.rdcost > inter_mode_thresh && 1533 bsize <= cpi->sf.max_intra_bsize)) { 1534 struct estimate_block_intra_args args = { cpi, x, DC_PRED, 0, 0 }; 1535 int i; 1536 TX_SIZE best_intra_tx_size = TX_SIZES; 1537 TX_SIZE intra_tx_size = 1538 VPXMIN(max_txsize_lookup[bsize], 1539 tx_mode_to_biggest_tx_size[cpi->common.tx_mode]); 1540 if (cpi->oxcf.content != VP9E_CONTENT_SCREEN && intra_tx_size > TX_16X16) 1541 intra_tx_size = TX_16X16; 1542 1543 if (reuse_inter_pred && best_pred != NULL) { 1544 if (best_pred->data == orig_dst.buf) { 1545 this_mode_pred = &tmp[get_pred_buffer(tmp, 3)]; 1546#if CONFIG_VP9_HIGHBITDEPTH 1547 if (cm->use_highbitdepth) 1548 vpx_highbd_convolve_copy(best_pred->data, best_pred->stride, 1549 this_mode_pred->data, this_mode_pred->stride, 1550 NULL, 0, NULL, 0, bw, bh, xd->bd); 1551 else 1552 vpx_convolve_copy(best_pred->data, best_pred->stride, 1553 this_mode_pred->data, this_mode_pred->stride, 1554 NULL, 0, NULL, 0, bw, bh); 1555#else 1556 vpx_convolve_copy(best_pred->data, best_pred->stride, 1557 this_mode_pred->data, this_mode_pred->stride, 1558 NULL, 0, NULL, 0, bw, bh); 1559#endif // CONFIG_VP9_HIGHBITDEPTH 1560 best_pred = this_mode_pred; 1561 } 1562 } 1563 pd->dst = orig_dst; 1564 1565 for (i = 0; i < 4; ++i) { 1566 const PREDICTION_MODE this_mode = intra_mode_list[i]; 1567 THR_MODES mode_index = mode_idx[INTRA_FRAME][mode_offset(this_mode)]; 1568 int mode_rd_thresh = rd_threshes[mode_index]; 1569 1570 if (!((1 << this_mode) & cpi->sf.intra_y_mode_bsize_mask[bsize])) 1571 continue; 1572 1573 if (rd_less_than_thresh(best_rdc.rdcost, mode_rd_thresh, 1574 rd_thresh_freq_fact[mode_index])) 1575 continue; 1576 1577 mbmi->mode = this_mode; 1578 mbmi->ref_frame[0] = INTRA_FRAME; 1579 args.mode = this_mode; 1580 args.rate = 0; 1581 args.dist = 0; 1582 mbmi->tx_size = intra_tx_size; 1583 vp9_foreach_transformed_block_in_plane(xd, bsize, 0, 1584 estimate_block_intra, &args); 1585 // Inter and intra RD will mismatch in scale for non-screen content. 1586 if (cpi->oxcf.content == VP9E_CONTENT_SCREEN) { 1587 if (x->color_sensitivity[0]) 1588 vp9_foreach_transformed_block_in_plane(xd, bsize, 1, 1589 estimate_block_intra, &args); 1590 if (x->color_sensitivity[1]) 1591 vp9_foreach_transformed_block_in_plane(xd, bsize, 2, 1592 estimate_block_intra, &args); 1593 } 1594 this_rdc.rate = args.rate; 1595 this_rdc.dist = args.dist; 1596 this_rdc.rate += cpi->mbmode_cost[this_mode]; 1597 this_rdc.rate += ref_frame_cost[INTRA_FRAME]; 1598 this_rdc.rate += intra_cost_penalty; 1599 this_rdc.rdcost = RDCOST(x->rdmult, x->rddiv, 1600 this_rdc.rate, this_rdc.dist); 1601 1602 if (this_rdc.rdcost < best_rdc.rdcost) { 1603 best_rdc = this_rdc; 1604 best_mode = this_mode; 1605 best_intra_tx_size = mbmi->tx_size; 1606 best_ref_frame = INTRA_FRAME; 1607 mbmi->uv_mode = this_mode; 1608 mbmi->mv[0].as_int = INVALID_MV; 1609 best_mode_skip_txfm = x->skip_txfm[0]; 1610 } 1611 } 1612 1613 // Reset mb_mode_info to the best inter mode. 1614 if (best_ref_frame != INTRA_FRAME) { 1615 mbmi->tx_size = best_tx_size; 1616 } else { 1617 mbmi->tx_size = best_intra_tx_size; 1618 } 1619 } 1620 1621 pd->dst = orig_dst; 1622 mbmi->mode = best_mode; 1623 mbmi->ref_frame[0] = best_ref_frame; 1624 x->skip_txfm[0] = best_mode_skip_txfm; 1625 1626 if (reuse_inter_pred && best_pred != NULL) { 1627 if (best_pred->data != orig_dst.buf && is_inter_mode(mbmi->mode)) { 1628#if CONFIG_VP9_HIGHBITDEPTH 1629 if (cm->use_highbitdepth) 1630 vpx_highbd_convolve_copy(best_pred->data, best_pred->stride, 1631 pd->dst.buf, pd->dst.stride, NULL, 0, 1632 NULL, 0, bw, bh, xd->bd); 1633 else 1634 vpx_convolve_copy(best_pred->data, best_pred->stride, 1635 pd->dst.buf, pd->dst.stride, NULL, 0, 1636 NULL, 0, bw, bh); 1637#else 1638 vpx_convolve_copy(best_pred->data, best_pred->stride, 1639 pd->dst.buf, pd->dst.stride, NULL, 0, 1640 NULL, 0, bw, bh); 1641#endif // CONFIG_VP9_HIGHBITDEPTH 1642 } 1643 } 1644 1645 if (cpi->sf.adaptive_rd_thresh) { 1646 THR_MODES best_mode_idx = mode_idx[best_ref_frame][mode_offset(mbmi->mode)]; 1647 1648 if (best_ref_frame == INTRA_FRAME) { 1649 // Only consider the modes that are included in the intra_mode_list. 1650 int intra_modes = sizeof(intra_mode_list)/sizeof(PREDICTION_MODE); 1651 int i; 1652 1653 // TODO(yunqingwang): Check intra mode mask and only update freq_fact 1654 // for those valid modes. 1655 for (i = 0; i < intra_modes; i++) { 1656 update_thresh_freq_fact(cpi, tile_data, bsize, INTRA_FRAME, 1657 best_mode_idx, intra_mode_list[i]); 1658 } 1659 } else { 1660 for (ref_frame = LAST_FRAME; ref_frame <= GOLDEN_FRAME; ++ref_frame) { 1661 PREDICTION_MODE this_mode; 1662 if (best_ref_frame != ref_frame) continue; 1663 for (this_mode = NEARESTMV; this_mode <= NEWMV; ++this_mode) { 1664 update_thresh_freq_fact(cpi, tile_data, bsize, ref_frame, 1665 best_mode_idx, this_mode); 1666 } 1667 } 1668 } 1669 } 1670 1671 *rd_cost = best_rdc; 1672} 1673 1674void vp9_pick_inter_mode_sub8x8(VP9_COMP *cpi, MACROBLOCK *x, 1675 int mi_row, int mi_col, RD_COST *rd_cost, 1676 BLOCK_SIZE bsize, PICK_MODE_CONTEXT *ctx) { 1677 VP9_COMMON *const cm = &cpi->common; 1678 SPEED_FEATURES *const sf = &cpi->sf; 1679 MACROBLOCKD *const xd = &x->e_mbd; 1680 MB_MODE_INFO *const mbmi = &xd->mi[0]->mbmi; 1681 MB_MODE_INFO_EXT *const mbmi_ext = x->mbmi_ext; 1682 const struct segmentation *const seg = &cm->seg; 1683 MV_REFERENCE_FRAME ref_frame, second_ref_frame = NONE; 1684 MV_REFERENCE_FRAME best_ref_frame = NONE; 1685 unsigned char segment_id = mbmi->segment_id; 1686 struct buf_2d yv12_mb[4][MAX_MB_PLANE]; 1687 static const int flag_list[4] = { 0, VP9_LAST_FLAG, VP9_GOLD_FLAG, 1688 VP9_ALT_FLAG }; 1689 int64_t best_rd = INT64_MAX; 1690 b_mode_info bsi[MAX_REF_FRAMES][4]; 1691 int ref_frame_skip_mask = 0; 1692 const int num_4x4_blocks_wide = num_4x4_blocks_wide_lookup[bsize]; 1693 const int num_4x4_blocks_high = num_4x4_blocks_high_lookup[bsize]; 1694 int idx, idy; 1695 1696 x->skip_encode = sf->skip_encode_frame && x->q_index < QIDX_SKIP_THRESH; 1697 ctx->pred_pixel_ready = 0; 1698 1699 for (ref_frame = LAST_FRAME; ref_frame <= GOLDEN_FRAME; ++ref_frame) { 1700 const YV12_BUFFER_CONFIG *yv12 = get_ref_frame_buffer(cpi, ref_frame); 1701 int_mv dummy_mv[2]; 1702 x->pred_mv_sad[ref_frame] = INT_MAX; 1703 1704 if ((cpi->ref_frame_flags & flag_list[ref_frame]) && (yv12 != NULL)) { 1705 int_mv *const candidates = mbmi_ext->ref_mvs[ref_frame]; 1706 const struct scale_factors *const sf = 1707 &cm->frame_refs[ref_frame - 1].sf; 1708 vp9_setup_pred_block(xd, yv12_mb[ref_frame], yv12, mi_row, mi_col, 1709 sf, sf); 1710 vp9_find_mv_refs(cm, xd, xd->mi[0], ref_frame, 1711 candidates, mi_row, mi_col, NULL, NULL, 1712 mbmi_ext->mode_context); 1713 1714 vp9_find_best_ref_mvs(xd, cm->allow_high_precision_mv, candidates, 1715 &dummy_mv[0], &dummy_mv[1]); 1716 } else { 1717 ref_frame_skip_mask |= (1 << ref_frame); 1718 } 1719 } 1720 1721 mbmi->sb_type = bsize; 1722 mbmi->tx_size = TX_4X4; 1723 mbmi->uv_mode = DC_PRED; 1724 mbmi->ref_frame[0] = LAST_FRAME; 1725 mbmi->ref_frame[1] = NONE; 1726 mbmi->interp_filter = cm->interp_filter == SWITCHABLE ? EIGHTTAP 1727 : cm->interp_filter; 1728 1729 for (ref_frame = LAST_FRAME; ref_frame <= GOLDEN_FRAME; ++ref_frame) { 1730 int64_t this_rd = 0; 1731 int plane; 1732 1733 if (ref_frame_skip_mask & (1 << ref_frame)) 1734 continue; 1735 1736 // TODO(jingning, agrange): Scaling reference frame not supported for 1737 // sub8x8 blocks. Is this supported now? 1738 if (ref_frame > INTRA_FRAME && 1739 vp9_is_scaled(&cm->frame_refs[ref_frame - 1].sf)) 1740 continue; 1741 1742 // If the segment reference frame feature is enabled.... 1743 // then do nothing if the current ref frame is not allowed.. 1744 if (segfeature_active(seg, segment_id, SEG_LVL_REF_FRAME) && 1745 get_segdata(seg, segment_id, SEG_LVL_REF_FRAME) != (int)ref_frame) 1746 continue; 1747 1748 mbmi->ref_frame[0] = ref_frame; 1749 x->skip = 0; 1750 set_ref_ptrs(cm, xd, ref_frame, second_ref_frame); 1751 1752 // Select prediction reference frames. 1753 for (plane = 0; plane < MAX_MB_PLANE; plane++) 1754 xd->plane[plane].pre[0] = yv12_mb[ref_frame][plane]; 1755 1756 for (idy = 0; idy < 2; idy += num_4x4_blocks_high) { 1757 for (idx = 0; idx < 2; idx += num_4x4_blocks_wide) { 1758 int_mv b_mv[MB_MODE_COUNT]; 1759 int64_t b_best_rd = INT64_MAX; 1760 const int i = idy * 2 + idx; 1761 PREDICTION_MODE this_mode; 1762 RD_COST this_rdc; 1763 unsigned int var_y, sse_y; 1764 1765 struct macroblock_plane *p = &x->plane[0]; 1766 struct macroblockd_plane *pd = &xd->plane[0]; 1767 1768 const struct buf_2d orig_src = p->src; 1769 const struct buf_2d orig_dst = pd->dst; 1770 struct buf_2d orig_pre[2]; 1771 memcpy(orig_pre, xd->plane[0].pre, sizeof(orig_pre)); 1772 1773 // set buffer pointers for sub8x8 motion search. 1774 p->src.buf = 1775 &p->src.buf[vp9_raster_block_offset(BLOCK_8X8, i, p->src.stride)]; 1776 pd->dst.buf = 1777 &pd->dst.buf[vp9_raster_block_offset(BLOCK_8X8, i, pd->dst.stride)]; 1778 pd->pre[0].buf = 1779 &pd->pre[0].buf[vp9_raster_block_offset(BLOCK_8X8, 1780 i, pd->pre[0].stride)]; 1781 1782 b_mv[ZEROMV].as_int = 0; 1783 b_mv[NEWMV].as_int = INVALID_MV; 1784 vp9_append_sub8x8_mvs_for_idx(cm, xd, i, 0, mi_row, mi_col, 1785 &b_mv[NEARESTMV], 1786 &b_mv[NEARMV], 1787 mbmi_ext->mode_context); 1788 1789 for (this_mode = NEARESTMV; this_mode <= NEWMV; ++this_mode) { 1790 int b_rate = 0; 1791 xd->mi[0]->bmi[i].as_mv[0].as_int = b_mv[this_mode].as_int; 1792 1793 if (this_mode == NEWMV) { 1794 const int step_param = cpi->sf.mv.fullpel_search_step_param; 1795 MV mvp_full; 1796 MV tmp_mv; 1797 int cost_list[5]; 1798 const int tmp_col_min = x->mv_col_min; 1799 const int tmp_col_max = x->mv_col_max; 1800 const int tmp_row_min = x->mv_row_min; 1801 const int tmp_row_max = x->mv_row_max; 1802 int dummy_dist; 1803 1804 if (i == 0) { 1805 mvp_full.row = b_mv[NEARESTMV].as_mv.row >> 3; 1806 mvp_full.col = b_mv[NEARESTMV].as_mv.col >> 3; 1807 } else { 1808 mvp_full.row = xd->mi[0]->bmi[0].as_mv[0].as_mv.row >> 3; 1809 mvp_full.col = xd->mi[0]->bmi[0].as_mv[0].as_mv.col >> 3; 1810 } 1811 1812 vp9_set_mv_search_range(x, &mbmi_ext->ref_mvs[0]->as_mv); 1813 1814 vp9_full_pixel_search( 1815 cpi, x, bsize, &mvp_full, step_param, x->sadperbit4, 1816 cond_cost_list(cpi, cost_list), 1817 &mbmi_ext->ref_mvs[ref_frame][0].as_mv, &tmp_mv, 1818 INT_MAX, 0); 1819 1820 x->mv_col_min = tmp_col_min; 1821 x->mv_col_max = tmp_col_max; 1822 x->mv_row_min = tmp_row_min; 1823 x->mv_row_max = tmp_row_max; 1824 1825 // calculate the bit cost on motion vector 1826 mvp_full.row = tmp_mv.row * 8; 1827 mvp_full.col = tmp_mv.col * 8; 1828 1829 b_rate += vp9_mv_bit_cost(&mvp_full, 1830 &mbmi_ext->ref_mvs[ref_frame][0].as_mv, 1831 x->nmvjointcost, x->mvcost, 1832 MV_COST_WEIGHT); 1833 1834 b_rate += cpi->inter_mode_cost[x->mbmi_ext->mode_context[ref_frame]] 1835 [INTER_OFFSET(NEWMV)]; 1836 if (RDCOST(x->rdmult, x->rddiv, b_rate, 0) > b_best_rd) 1837 continue; 1838 1839 cpi->find_fractional_mv_step(x, &tmp_mv, 1840 &mbmi_ext->ref_mvs[ref_frame][0].as_mv, 1841 cpi->common.allow_high_precision_mv, 1842 x->errorperbit, 1843 &cpi->fn_ptr[bsize], 1844 cpi->sf.mv.subpel_force_stop, 1845 cpi->sf.mv.subpel_iters_per_step, 1846 cond_cost_list(cpi, cost_list), 1847 x->nmvjointcost, x->mvcost, 1848 &dummy_dist, 1849 &x->pred_sse[ref_frame], NULL, 0, 0); 1850 1851 xd->mi[0]->bmi[i].as_mv[0].as_mv = tmp_mv; 1852 } else { 1853 b_rate += cpi->inter_mode_cost[x->mbmi_ext->mode_context[ref_frame]] 1854 [INTER_OFFSET(this_mode)]; 1855 } 1856 1857#if CONFIG_VP9_HIGHBITDEPTH 1858 if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { 1859 vp9_highbd_build_inter_predictor(pd->pre[0].buf, pd->pre[0].stride, 1860 pd->dst.buf, pd->dst.stride, 1861 &xd->mi[0]->bmi[i].as_mv[0].as_mv, 1862 &xd->block_refs[0]->sf, 1863 4 * num_4x4_blocks_wide, 1864 4 * num_4x4_blocks_high, 0, 1865 vp9_filter_kernels[mbmi->interp_filter], 1866 MV_PRECISION_Q3, 1867 mi_col * MI_SIZE + 4 * (i & 0x01), 1868 mi_row * MI_SIZE + 4 * (i >> 1), xd->bd); 1869 } else { 1870#endif 1871 vp9_build_inter_predictor(pd->pre[0].buf, pd->pre[0].stride, 1872 pd->dst.buf, pd->dst.stride, 1873 &xd->mi[0]->bmi[i].as_mv[0].as_mv, 1874 &xd->block_refs[0]->sf, 1875 4 * num_4x4_blocks_wide, 1876 4 * num_4x4_blocks_high, 0, 1877 vp9_filter_kernels[mbmi->interp_filter], 1878 MV_PRECISION_Q3, 1879 mi_col * MI_SIZE + 4 * (i & 0x01), 1880 mi_row * MI_SIZE + 4 * (i >> 1)); 1881 1882#if CONFIG_VP9_HIGHBITDEPTH 1883 } 1884#endif 1885 1886 model_rd_for_sb_y(cpi, bsize, x, xd, &this_rdc.rate, &this_rdc.dist, 1887 &var_y, &sse_y); 1888 1889 this_rdc.rate += b_rate; 1890 this_rdc.rdcost = RDCOST(x->rdmult, x->rddiv, 1891 this_rdc.rate, this_rdc.dist); 1892 if (this_rdc.rdcost < b_best_rd) { 1893 b_best_rd = this_rdc.rdcost; 1894 bsi[ref_frame][i].as_mode = this_mode; 1895 bsi[ref_frame][i].as_mv[0].as_mv = xd->mi[0]->bmi[i].as_mv[0].as_mv; 1896 } 1897 } // mode search 1898 1899 // restore source and prediction buffer pointers. 1900 p->src = orig_src; 1901 pd->pre[0] = orig_pre[0]; 1902 pd->dst = orig_dst; 1903 this_rd += b_best_rd; 1904 1905 xd->mi[0]->bmi[i] = bsi[ref_frame][i]; 1906 if (num_4x4_blocks_wide > 1) 1907 xd->mi[0]->bmi[i + 1] = xd->mi[0]->bmi[i]; 1908 if (num_4x4_blocks_high > 1) 1909 xd->mi[0]->bmi[i + 2] = xd->mi[0]->bmi[i]; 1910 } 1911 } // loop through sub8x8 blocks 1912 1913 if (this_rd < best_rd) { 1914 best_rd = this_rd; 1915 best_ref_frame = ref_frame; 1916 } 1917 } // reference frames 1918 1919 mbmi->tx_size = TX_4X4; 1920 mbmi->ref_frame[0] = best_ref_frame; 1921 for (idy = 0; idy < 2; idy += num_4x4_blocks_high) { 1922 for (idx = 0; idx < 2; idx += num_4x4_blocks_wide) { 1923 const int block = idy * 2 + idx; 1924 xd->mi[0]->bmi[block] = bsi[best_ref_frame][block]; 1925 if (num_4x4_blocks_wide > 1) 1926 xd->mi[0]->bmi[block + 1] = bsi[best_ref_frame][block]; 1927 if (num_4x4_blocks_high > 1) 1928 xd->mi[0]->bmi[block + 2] = bsi[best_ref_frame][block]; 1929 } 1930 } 1931 mbmi->mode = xd->mi[0]->bmi[3].as_mode; 1932 ctx->mic = *(xd->mi[0]); 1933 ctx->mbmi_ext = *x->mbmi_ext; 1934 ctx->skip_txfm[0] = SKIP_TXFM_NONE; 1935 ctx->skip = 0; 1936 // Dummy assignment for speed -5. No effect in speed -6. 1937 rd_cost->rdcost = best_rd; 1938} 1939