1 /* 2 * Copyright (c) 2010 The WebM project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 #include <assert.h> 12 #include <math.h> 13 14 #include "./vp9_rtcd.h" 15 #include "./vpx_dsp_rtcd.h" 16 17 #include "vpx_dsp/vpx_dsp_common.h" 18 #include "vpx_mem/vpx_mem.h" 19 #include "vpx_ports/mem.h" 20 #include "vpx_ports/system_state.h" 21 22 #include "vp9/common/vp9_common.h" 23 #include "vp9/common/vp9_entropy.h" 24 #include "vp9/common/vp9_entropymode.h" 25 #include "vp9/common/vp9_idct.h" 26 #include "vp9/common/vp9_mvref_common.h" 27 #include "vp9/common/vp9_pred_common.h" 28 #include "vp9/common/vp9_quant_common.h" 29 #include "vp9/common/vp9_reconinter.h" 30 #include "vp9/common/vp9_reconintra.h" 31 #include "vp9/common/vp9_scan.h" 32 #include "vp9/common/vp9_seg_common.h" 33 34 #include "vp9/encoder/vp9_cost.h" 35 #include "vp9/encoder/vp9_encodemb.h" 36 #include "vp9/encoder/vp9_encodemv.h" 37 #include "vp9/encoder/vp9_encoder.h" 38 #include "vp9/encoder/vp9_mcomp.h" 39 #include "vp9/encoder/vp9_quantize.h" 40 #include "vp9/encoder/vp9_ratectrl.h" 41 #include "vp9/encoder/vp9_rd.h" 42 #include "vp9/encoder/vp9_rdopt.h" 43 #include "vp9/encoder/vp9_aq_variance.h" 44 45 #define LAST_FRAME_MODE_MASK \ 46 ((1 << GOLDEN_FRAME) | (1 << ALTREF_FRAME) | (1 << INTRA_FRAME)) 47 #define GOLDEN_FRAME_MODE_MASK \ 48 ((1 << LAST_FRAME) | (1 << ALTREF_FRAME) | (1 << INTRA_FRAME)) 49 #define ALT_REF_MODE_MASK \ 50 ((1 << LAST_FRAME) | (1 << GOLDEN_FRAME) | (1 << INTRA_FRAME)) 51 52 #define SECOND_REF_FRAME_MASK ((1 << ALTREF_FRAME) | 0x01) 53 54 #define MIN_EARLY_TERM_INDEX 3 55 #define NEW_MV_DISCOUNT_FACTOR 8 56 57 typedef struct { 58 PREDICTION_MODE mode; 59 MV_REFERENCE_FRAME ref_frame[2]; 60 } MODE_DEFINITION; 61 62 typedef struct { MV_REFERENCE_FRAME ref_frame[2]; } REF_DEFINITION; 63 64 struct rdcost_block_args { 65 const VP9_COMP *cpi; 66 MACROBLOCK *x; 67 ENTROPY_CONTEXT t_above[16]; 68 ENTROPY_CONTEXT t_left[16]; 69 int this_rate; 70 int64_t this_dist; 71 int64_t this_sse; 72 int64_t this_rd; 73 int64_t best_rd; 74 int exit_early; 75 int use_fast_coef_costing; 76 const scan_order *so; 77 uint8_t skippable; 78 }; 79 80 #define LAST_NEW_MV_INDEX 6 81 static const MODE_DEFINITION vp9_mode_order[MAX_MODES] = { 82 { NEARESTMV, { LAST_FRAME, NONE } }, 83 { NEARESTMV, { ALTREF_FRAME, NONE } }, 84 { NEARESTMV, { GOLDEN_FRAME, NONE } }, 85 86 { DC_PRED, { INTRA_FRAME, NONE } }, 87 88 { NEWMV, { LAST_FRAME, NONE } }, 89 { NEWMV, { ALTREF_FRAME, NONE } }, 90 { NEWMV, { GOLDEN_FRAME, NONE } }, 91 92 { NEARMV, { LAST_FRAME, NONE } }, 93 { NEARMV, { ALTREF_FRAME, NONE } }, 94 { NEARMV, { GOLDEN_FRAME, NONE } }, 95 96 { ZEROMV, { LAST_FRAME, NONE } }, 97 { ZEROMV, { GOLDEN_FRAME, NONE } }, 98 { ZEROMV, { ALTREF_FRAME, NONE } }, 99 100 { NEARESTMV, { LAST_FRAME, ALTREF_FRAME } }, 101 { NEARESTMV, { GOLDEN_FRAME, ALTREF_FRAME } }, 102 103 { TM_PRED, { INTRA_FRAME, NONE } }, 104 105 { NEARMV, { LAST_FRAME, ALTREF_FRAME } }, 106 { NEWMV, { LAST_FRAME, ALTREF_FRAME } }, 107 { NEARMV, { GOLDEN_FRAME, ALTREF_FRAME } }, 108 { NEWMV, { GOLDEN_FRAME, ALTREF_FRAME } }, 109 110 { ZEROMV, { LAST_FRAME, ALTREF_FRAME } }, 111 { ZEROMV, { GOLDEN_FRAME, ALTREF_FRAME } }, 112 113 { H_PRED, { INTRA_FRAME, NONE } }, 114 { V_PRED, { INTRA_FRAME, NONE } }, 115 { D135_PRED, { INTRA_FRAME, NONE } }, 116 { D207_PRED, { INTRA_FRAME, NONE } }, 117 { D153_PRED, { INTRA_FRAME, NONE } }, 118 { D63_PRED, { INTRA_FRAME, NONE } }, 119 { D117_PRED, { INTRA_FRAME, NONE } }, 120 { D45_PRED, { INTRA_FRAME, NONE } }, 121 }; 122 123 static const REF_DEFINITION vp9_ref_order[MAX_REFS] = { 124 { { LAST_FRAME, NONE } }, { { GOLDEN_FRAME, NONE } }, 125 { { ALTREF_FRAME, NONE } }, { { LAST_FRAME, ALTREF_FRAME } }, 126 { { GOLDEN_FRAME, ALTREF_FRAME } }, { { INTRA_FRAME, NONE } }, 127 }; 128 129 static void swap_block_ptr(MACROBLOCK *x, PICK_MODE_CONTEXT *ctx, int m, int n, 130 int min_plane, int max_plane) { 131 int i; 132 133 for (i = min_plane; i < max_plane; ++i) { 134 struct macroblock_plane *const p = &x->plane[i]; 135 struct macroblockd_plane *const pd = &x->e_mbd.plane[i]; 136 137 p->coeff = ctx->coeff_pbuf[i][m]; 138 p->qcoeff = ctx->qcoeff_pbuf[i][m]; 139 pd->dqcoeff = ctx->dqcoeff_pbuf[i][m]; 140 p->eobs = ctx->eobs_pbuf[i][m]; 141 142 ctx->coeff_pbuf[i][m] = ctx->coeff_pbuf[i][n]; 143 ctx->qcoeff_pbuf[i][m] = ctx->qcoeff_pbuf[i][n]; 144 ctx->dqcoeff_pbuf[i][m] = ctx->dqcoeff_pbuf[i][n]; 145 ctx->eobs_pbuf[i][m] = ctx->eobs_pbuf[i][n]; 146 147 ctx->coeff_pbuf[i][n] = p->coeff; 148 ctx->qcoeff_pbuf[i][n] = p->qcoeff; 149 ctx->dqcoeff_pbuf[i][n] = pd->dqcoeff; 150 ctx->eobs_pbuf[i][n] = p->eobs; 151 } 152 } 153 154 static void model_rd_for_sb(VP9_COMP *cpi, BLOCK_SIZE bsize, MACROBLOCK *x, 155 MACROBLOCKD *xd, int *out_rate_sum, 156 int64_t *out_dist_sum, int *skip_txfm_sb, 157 int64_t *skip_sse_sb) { 158 // Note our transform coeffs are 8 times an orthogonal transform. 159 // Hence quantizer step is also 8 times. To get effective quantizer 160 // we need to divide by 8 before sending to modeling function. 161 int i; 162 int64_t rate_sum = 0; 163 int64_t dist_sum = 0; 164 const int ref = xd->mi[0]->ref_frame[0]; 165 unsigned int sse; 166 unsigned int var = 0; 167 int64_t total_sse = 0; 168 int skip_flag = 1; 169 const int shift = 6; 170 int64_t dist; 171 const int dequant_shift = 172 #if CONFIG_VP9_HIGHBITDEPTH 173 (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) ? xd->bd - 5 : 174 #endif // CONFIG_VP9_HIGHBITDEPTH 175 3; 176 unsigned int qstep_vec[MAX_MB_PLANE]; 177 unsigned int nlog2_vec[MAX_MB_PLANE]; 178 unsigned int sum_sse_vec[MAX_MB_PLANE]; 179 int any_zero_sum_sse = 0; 180 181 x->pred_sse[ref] = 0; 182 183 for (i = 0; i < MAX_MB_PLANE; ++i) { 184 struct macroblock_plane *const p = &x->plane[i]; 185 struct macroblockd_plane *const pd = &xd->plane[i]; 186 const BLOCK_SIZE bs = get_plane_block_size(bsize, pd); 187 const TX_SIZE max_tx_size = max_txsize_lookup[bs]; 188 const BLOCK_SIZE unit_size = txsize_to_bsize[max_tx_size]; 189 const int64_t dc_thr = p->quant_thred[0] >> shift; 190 const int64_t ac_thr = p->quant_thred[1] >> shift; 191 unsigned int sum_sse = 0; 192 // The low thresholds are used to measure if the prediction errors are 193 // low enough so that we can skip the mode search. 194 const int64_t low_dc_thr = VPXMIN(50, dc_thr >> 2); 195 const int64_t low_ac_thr = VPXMIN(80, ac_thr >> 2); 196 int bw = 1 << (b_width_log2_lookup[bs] - b_width_log2_lookup[unit_size]); 197 int bh = 1 << (b_height_log2_lookup[bs] - b_width_log2_lookup[unit_size]); 198 int idx, idy; 199 int lw = b_width_log2_lookup[unit_size] + 2; 200 int lh = b_height_log2_lookup[unit_size] + 2; 201 202 for (idy = 0; idy < bh; ++idy) { 203 for (idx = 0; idx < bw; ++idx) { 204 uint8_t *src = p->src.buf + (idy * p->src.stride << lh) + (idx << lw); 205 uint8_t *dst = pd->dst.buf + (idy * pd->dst.stride << lh) + (idx << lh); 206 int block_idx = (idy << 1) + idx; 207 int low_err_skip = 0; 208 209 var = cpi->fn_ptr[unit_size].vf(src, p->src.stride, dst, pd->dst.stride, 210 &sse); 211 x->bsse[(i << 2) + block_idx] = sse; 212 sum_sse += sse; 213 214 x->skip_txfm[(i << 2) + block_idx] = SKIP_TXFM_NONE; 215 if (!x->select_tx_size) { 216 // Check if all ac coefficients can be quantized to zero. 217 if (var < ac_thr || var == 0) { 218 x->skip_txfm[(i << 2) + block_idx] = SKIP_TXFM_AC_ONLY; 219 220 // Check if dc coefficient can be quantized to zero. 221 if (sse - var < dc_thr || sse == var) { 222 x->skip_txfm[(i << 2) + block_idx] = SKIP_TXFM_AC_DC; 223 224 if (!sse || (var < low_ac_thr && sse - var < low_dc_thr)) 225 low_err_skip = 1; 226 } 227 } 228 } 229 230 if (skip_flag && !low_err_skip) skip_flag = 0; 231 232 if (i == 0) x->pred_sse[ref] += sse; 233 } 234 } 235 236 total_sse += sum_sse; 237 sum_sse_vec[i] = sum_sse; 238 any_zero_sum_sse = any_zero_sum_sse || (sum_sse == 0); 239 qstep_vec[i] = pd->dequant[1] >> dequant_shift; 240 nlog2_vec[i] = num_pels_log2_lookup[bs]; 241 } 242 243 // Fast approximate the modelling function. 244 if (cpi->sf.simple_model_rd_from_var) { 245 for (i = 0; i < MAX_MB_PLANE; ++i) { 246 int64_t rate; 247 const int64_t square_error = sum_sse_vec[i]; 248 int quantizer = qstep_vec[i]; 249 250 if (quantizer < 120) 251 rate = (square_error * (280 - quantizer)) >> (16 - VP9_PROB_COST_SHIFT); 252 else 253 rate = 0; 254 dist = (square_error * quantizer) >> 8; 255 rate_sum += rate; 256 dist_sum += dist; 257 } 258 } else { 259 if (any_zero_sum_sse) { 260 for (i = 0; i < MAX_MB_PLANE; ++i) { 261 int rate; 262 vp9_model_rd_from_var_lapndz(sum_sse_vec[i], nlog2_vec[i], qstep_vec[i], 263 &rate, &dist); 264 rate_sum += rate; 265 dist_sum += dist; 266 } 267 } else { 268 vp9_model_rd_from_var_lapndz_vec(sum_sse_vec, nlog2_vec, qstep_vec, 269 &rate_sum, &dist_sum); 270 } 271 } 272 273 *skip_txfm_sb = skip_flag; 274 *skip_sse_sb = total_sse << 4; 275 *out_rate_sum = (int)rate_sum; 276 *out_dist_sum = dist_sum << 4; 277 } 278 279 #if CONFIG_VP9_HIGHBITDEPTH 280 int64_t vp9_highbd_block_error_c(const tran_low_t *coeff, 281 const tran_low_t *dqcoeff, intptr_t block_size, 282 int64_t *ssz, int bd) { 283 int i; 284 int64_t error = 0, sqcoeff = 0; 285 int shift = 2 * (bd - 8); 286 int rounding = shift > 0 ? 1 << (shift - 1) : 0; 287 288 for (i = 0; i < block_size; i++) { 289 const int64_t diff = coeff[i] - dqcoeff[i]; 290 error += diff * diff; 291 sqcoeff += (int64_t)coeff[i] * (int64_t)coeff[i]; 292 } 293 assert(error >= 0 && sqcoeff >= 0); 294 error = (error + rounding) >> shift; 295 sqcoeff = (sqcoeff + rounding) >> shift; 296 297 *ssz = sqcoeff; 298 return error; 299 } 300 301 static int64_t vp9_highbd_block_error_dispatch(const tran_low_t *coeff, 302 const tran_low_t *dqcoeff, 303 intptr_t block_size, 304 int64_t *ssz, int bd) { 305 if (bd == 8) { 306 return vp9_block_error(coeff, dqcoeff, block_size, ssz); 307 } else { 308 return vp9_highbd_block_error(coeff, dqcoeff, block_size, ssz, bd); 309 } 310 } 311 #endif // CONFIG_VP9_HIGHBITDEPTH 312 313 int64_t vp9_block_error_c(const tran_low_t *coeff, const tran_low_t *dqcoeff, 314 intptr_t block_size, int64_t *ssz) { 315 int i; 316 int64_t error = 0, sqcoeff = 0; 317 318 for (i = 0; i < block_size; i++) { 319 const int diff = coeff[i] - dqcoeff[i]; 320 error += diff * diff; 321 sqcoeff += coeff[i] * coeff[i]; 322 } 323 324 *ssz = sqcoeff; 325 return error; 326 } 327 328 int64_t vp9_block_error_fp_c(const tran_low_t *coeff, const tran_low_t *dqcoeff, 329 int block_size) { 330 int i; 331 int64_t error = 0; 332 333 for (i = 0; i < block_size; i++) { 334 const int diff = coeff[i] - dqcoeff[i]; 335 error += diff * diff; 336 } 337 338 return error; 339 } 340 341 /* The trailing '0' is a terminator which is used inside cost_coeffs() to 342 * decide whether to include cost of a trailing EOB node or not (i.e. we 343 * can skip this if the last coefficient in this transform block, e.g. the 344 * 16th coefficient in a 4x4 block or the 64th coefficient in a 8x8 block, 345 * were non-zero). */ 346 static const int16_t band_counts[TX_SIZES][8] = { 347 { 1, 2, 3, 4, 3, 16 - 13, 0 }, 348 { 1, 2, 3, 4, 11, 64 - 21, 0 }, 349 { 1, 2, 3, 4, 11, 256 - 21, 0 }, 350 { 1, 2, 3, 4, 11, 1024 - 21, 0 }, 351 }; 352 static int cost_coeffs(MACROBLOCK *x, int plane, int block, TX_SIZE tx_size, 353 int pt, const int16_t *scan, const int16_t *nb, 354 int use_fast_coef_costing) { 355 MACROBLOCKD *const xd = &x->e_mbd; 356 MODE_INFO *mi = xd->mi[0]; 357 const struct macroblock_plane *p = &x->plane[plane]; 358 const PLANE_TYPE type = get_plane_type(plane); 359 const int16_t *band_count = &band_counts[tx_size][1]; 360 const int eob = p->eobs[block]; 361 const tran_low_t *const qcoeff = BLOCK_OFFSET(p->qcoeff, block); 362 unsigned int(*token_costs)[2][COEFF_CONTEXTS][ENTROPY_TOKENS] = 363 x->token_costs[tx_size][type][is_inter_block(mi)]; 364 uint8_t token_cache[32 * 32]; 365 int cost; 366 #if CONFIG_VP9_HIGHBITDEPTH 367 const uint16_t *cat6_high_cost = vp9_get_high_cost_table(xd->bd); 368 #else 369 const uint16_t *cat6_high_cost = vp9_get_high_cost_table(8); 370 #endif 371 372 // Check for consistency of tx_size with mode info 373 assert(type == PLANE_TYPE_Y 374 ? mi->tx_size == tx_size 375 : get_uv_tx_size(mi, &xd->plane[plane]) == tx_size); 376 377 if (eob == 0) { 378 // single eob token 379 cost = token_costs[0][0][pt][EOB_TOKEN]; 380 } else { 381 if (use_fast_coef_costing) { 382 int band_left = *band_count++; 383 int c; 384 385 // dc token 386 int v = qcoeff[0]; 387 int16_t prev_t; 388 cost = vp9_get_token_cost(v, &prev_t, cat6_high_cost); 389 cost += (*token_costs)[0][pt][prev_t]; 390 391 token_cache[0] = vp9_pt_energy_class[prev_t]; 392 ++token_costs; 393 394 // ac tokens 395 for (c = 1; c < eob; c++) { 396 const int rc = scan[c]; 397 int16_t t; 398 399 v = qcoeff[rc]; 400 cost += vp9_get_token_cost(v, &t, cat6_high_cost); 401 cost += (*token_costs)[!prev_t][!prev_t][t]; 402 prev_t = t; 403 if (!--band_left) { 404 band_left = *band_count++; 405 ++token_costs; 406 } 407 } 408 409 // eob token 410 if (band_left) cost += (*token_costs)[0][!prev_t][EOB_TOKEN]; 411 412 } else { // !use_fast_coef_costing 413 int band_left = *band_count++; 414 int c; 415 416 // dc token 417 int v = qcoeff[0]; 418 int16_t tok; 419 unsigned int(*tok_cost_ptr)[COEFF_CONTEXTS][ENTROPY_TOKENS]; 420 cost = vp9_get_token_cost(v, &tok, cat6_high_cost); 421 cost += (*token_costs)[0][pt][tok]; 422 423 token_cache[0] = vp9_pt_energy_class[tok]; 424 ++token_costs; 425 426 tok_cost_ptr = &((*token_costs)[!tok]); 427 428 // ac tokens 429 for (c = 1; c < eob; c++) { 430 const int rc = scan[c]; 431 432 v = qcoeff[rc]; 433 cost += vp9_get_token_cost(v, &tok, cat6_high_cost); 434 pt = get_coef_context(nb, token_cache, c); 435 cost += (*tok_cost_ptr)[pt][tok]; 436 token_cache[rc] = vp9_pt_energy_class[tok]; 437 if (!--band_left) { 438 band_left = *band_count++; 439 ++token_costs; 440 } 441 tok_cost_ptr = &((*token_costs)[!tok]); 442 } 443 444 // eob token 445 if (band_left) { 446 pt = get_coef_context(nb, token_cache, c); 447 cost += (*token_costs)[0][pt][EOB_TOKEN]; 448 } 449 } 450 } 451 452 return cost; 453 } 454 455 static INLINE int num_4x4_to_edge(int plane_4x4_dim, int mb_to_edge_dim, 456 int subsampling_dim, int blk_dim) { 457 return plane_4x4_dim + (mb_to_edge_dim >> (5 + subsampling_dim)) - blk_dim; 458 } 459 460 // Compute the pixel domain sum square error on all visible 4x4s in the 461 // transform block. 462 static unsigned pixel_sse(const VP9_COMP *const cpi, const MACROBLOCKD *xd, 463 const struct macroblockd_plane *const pd, 464 const uint8_t *src, const int src_stride, 465 const uint8_t *dst, const int dst_stride, int blk_row, 466 int blk_col, const BLOCK_SIZE plane_bsize, 467 const BLOCK_SIZE tx_bsize) { 468 unsigned int sse = 0; 469 const int plane_4x4_w = num_4x4_blocks_wide_lookup[plane_bsize]; 470 const int plane_4x4_h = num_4x4_blocks_high_lookup[plane_bsize]; 471 const int tx_4x4_w = num_4x4_blocks_wide_lookup[tx_bsize]; 472 const int tx_4x4_h = num_4x4_blocks_high_lookup[tx_bsize]; 473 int b4x4s_to_right_edge = num_4x4_to_edge(plane_4x4_w, xd->mb_to_right_edge, 474 pd->subsampling_x, blk_col); 475 int b4x4s_to_bottom_edge = num_4x4_to_edge(plane_4x4_h, xd->mb_to_bottom_edge, 476 pd->subsampling_y, blk_row); 477 if (tx_bsize == BLOCK_4X4 || 478 (b4x4s_to_right_edge >= tx_4x4_w && b4x4s_to_bottom_edge >= tx_4x4_h)) { 479 cpi->fn_ptr[tx_bsize].vf(src, src_stride, dst, dst_stride, &sse); 480 } else { 481 const vpx_variance_fn_t vf_4x4 = cpi->fn_ptr[BLOCK_4X4].vf; 482 int r, c; 483 unsigned this_sse = 0; 484 int max_r = VPXMIN(b4x4s_to_bottom_edge, tx_4x4_h); 485 int max_c = VPXMIN(b4x4s_to_right_edge, tx_4x4_w); 486 sse = 0; 487 // if we are in the unrestricted motion border. 488 for (r = 0; r < max_r; ++r) { 489 // Skip visiting the sub blocks that are wholly within the UMV. 490 for (c = 0; c < max_c; ++c) { 491 vf_4x4(src + r * src_stride * 4 + c * 4, src_stride, 492 dst + r * dst_stride * 4 + c * 4, dst_stride, &this_sse); 493 sse += this_sse; 494 } 495 } 496 } 497 return sse; 498 } 499 500 // Compute the squares sum squares on all visible 4x4s in the transform block. 501 static int64_t sum_squares_visible(const MACROBLOCKD *xd, 502 const struct macroblockd_plane *const pd, 503 const int16_t *diff, const int diff_stride, 504 int blk_row, int blk_col, 505 const BLOCK_SIZE plane_bsize, 506 const BLOCK_SIZE tx_bsize) { 507 int64_t sse; 508 const int plane_4x4_w = num_4x4_blocks_wide_lookup[plane_bsize]; 509 const int plane_4x4_h = num_4x4_blocks_high_lookup[plane_bsize]; 510 const int tx_4x4_w = num_4x4_blocks_wide_lookup[tx_bsize]; 511 const int tx_4x4_h = num_4x4_blocks_high_lookup[tx_bsize]; 512 int b4x4s_to_right_edge = num_4x4_to_edge(plane_4x4_w, xd->mb_to_right_edge, 513 pd->subsampling_x, blk_col); 514 int b4x4s_to_bottom_edge = num_4x4_to_edge(plane_4x4_h, xd->mb_to_bottom_edge, 515 pd->subsampling_y, blk_row); 516 if (tx_bsize == BLOCK_4X4 || 517 (b4x4s_to_right_edge >= tx_4x4_w && b4x4s_to_bottom_edge >= tx_4x4_h)) { 518 assert(tx_4x4_w == tx_4x4_h); 519 sse = (int64_t)vpx_sum_squares_2d_i16(diff, diff_stride, tx_4x4_w << 2); 520 } else { 521 int r, c; 522 int max_r = VPXMIN(b4x4s_to_bottom_edge, tx_4x4_h); 523 int max_c = VPXMIN(b4x4s_to_right_edge, tx_4x4_w); 524 sse = 0; 525 // if we are in the unrestricted motion border. 526 for (r = 0; r < max_r; ++r) { 527 // Skip visiting the sub blocks that are wholly within the UMV. 528 for (c = 0; c < max_c; ++c) { 529 sse += (int64_t)vpx_sum_squares_2d_i16( 530 diff + r * diff_stride * 4 + c * 4, diff_stride, 4); 531 } 532 } 533 } 534 return sse; 535 } 536 537 static void dist_block(const VP9_COMP *cpi, MACROBLOCK *x, int plane, 538 BLOCK_SIZE plane_bsize, int block, int blk_row, 539 int blk_col, TX_SIZE tx_size, int64_t *out_dist, 540 int64_t *out_sse) { 541 MACROBLOCKD *const xd = &x->e_mbd; 542 const struct macroblock_plane *const p = &x->plane[plane]; 543 const struct macroblockd_plane *const pd = &xd->plane[plane]; 544 545 if (x->block_tx_domain) { 546 const int ss_txfrm_size = tx_size << 1; 547 int64_t this_sse; 548 const int shift = tx_size == TX_32X32 ? 0 : 2; 549 const tran_low_t *const coeff = BLOCK_OFFSET(p->coeff, block); 550 const tran_low_t *const dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block); 551 #if CONFIG_VP9_HIGHBITDEPTH 552 const int bd = (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) ? xd->bd : 8; 553 *out_dist = vp9_highbd_block_error_dispatch( 554 coeff, dqcoeff, 16 << ss_txfrm_size, &this_sse, bd) >> 555 shift; 556 #else 557 *out_dist = 558 vp9_block_error(coeff, dqcoeff, 16 << ss_txfrm_size, &this_sse) >> 559 shift; 560 #endif // CONFIG_VP9_HIGHBITDEPTH 561 *out_sse = this_sse >> shift; 562 563 if (x->skip_encode && !is_inter_block(xd->mi[0])) { 564 // TODO(jingning): tune the model to better capture the distortion. 565 const int64_t p = 566 (pd->dequant[1] * pd->dequant[1] * (1 << ss_txfrm_size)) >> 567 #if CONFIG_VP9_HIGHBITDEPTH 568 (shift + 2 + (bd - 8) * 2); 569 #else 570 (shift + 2); 571 #endif // CONFIG_VP9_HIGHBITDEPTH 572 *out_dist += (p >> 4); 573 *out_sse += p; 574 } 575 } else { 576 const BLOCK_SIZE tx_bsize = txsize_to_bsize[tx_size]; 577 const int bs = 4 * num_4x4_blocks_wide_lookup[tx_bsize]; 578 const int src_stride = p->src.stride; 579 const int dst_stride = pd->dst.stride; 580 const int src_idx = 4 * (blk_row * src_stride + blk_col); 581 const int dst_idx = 4 * (blk_row * dst_stride + blk_col); 582 const uint8_t *src = &p->src.buf[src_idx]; 583 const uint8_t *dst = &pd->dst.buf[dst_idx]; 584 const tran_low_t *dqcoeff = BLOCK_OFFSET(pd->dqcoeff, block); 585 const uint16_t *eob = &p->eobs[block]; 586 unsigned int tmp; 587 588 tmp = pixel_sse(cpi, xd, pd, src, src_stride, dst, dst_stride, blk_row, 589 blk_col, plane_bsize, tx_bsize); 590 *out_sse = (int64_t)tmp * 16; 591 592 if (*eob) { 593 #if CONFIG_VP9_HIGHBITDEPTH 594 DECLARE_ALIGNED(16, uint16_t, recon16[1024]); 595 uint8_t *recon = (uint8_t *)recon16; 596 #else 597 DECLARE_ALIGNED(16, uint8_t, recon[1024]); 598 #endif // CONFIG_VP9_HIGHBITDEPTH 599 600 #if CONFIG_VP9_HIGHBITDEPTH 601 if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { 602 vpx_highbd_convolve_copy(CONVERT_TO_SHORTPTR(dst), dst_stride, recon16, 603 32, NULL, 0, NULL, 0, bs, bs, xd->bd); 604 if (xd->lossless) { 605 vp9_highbd_iwht4x4_add(dqcoeff, recon16, 32, *eob, xd->bd); 606 } else { 607 switch (tx_size) { 608 case TX_4X4: 609 vp9_highbd_idct4x4_add(dqcoeff, recon16, 32, *eob, xd->bd); 610 break; 611 case TX_8X8: 612 vp9_highbd_idct8x8_add(dqcoeff, recon16, 32, *eob, xd->bd); 613 break; 614 case TX_16X16: 615 vp9_highbd_idct16x16_add(dqcoeff, recon16, 32, *eob, xd->bd); 616 break; 617 case TX_32X32: 618 vp9_highbd_idct32x32_add(dqcoeff, recon16, 32, *eob, xd->bd); 619 break; 620 default: assert(0 && "Invalid transform size"); 621 } 622 } 623 recon = CONVERT_TO_BYTEPTR(recon16); 624 } else { 625 #endif // CONFIG_VP9_HIGHBITDEPTH 626 vpx_convolve_copy(dst, dst_stride, recon, 32, NULL, 0, NULL, 0, bs, bs); 627 switch (tx_size) { 628 case TX_32X32: vp9_idct32x32_add(dqcoeff, recon, 32, *eob); break; 629 case TX_16X16: vp9_idct16x16_add(dqcoeff, recon, 32, *eob); break; 630 case TX_8X8: vp9_idct8x8_add(dqcoeff, recon, 32, *eob); break; 631 case TX_4X4: 632 // this is like vp9_short_idct4x4 but has a special case around 633 // eob<=1, which is significant (not just an optimization) for 634 // the lossless case. 635 x->itxm_add(dqcoeff, recon, 32, *eob); 636 break; 637 default: assert(0 && "Invalid transform size"); break; 638 } 639 #if CONFIG_VP9_HIGHBITDEPTH 640 } 641 #endif // CONFIG_VP9_HIGHBITDEPTH 642 643 tmp = pixel_sse(cpi, xd, pd, src, src_stride, recon, 32, blk_row, blk_col, 644 plane_bsize, tx_bsize); 645 } 646 647 *out_dist = (int64_t)tmp * 16; 648 } 649 } 650 651 static int rate_block(int plane, int block, TX_SIZE tx_size, int coeff_ctx, 652 struct rdcost_block_args *args) { 653 return cost_coeffs(args->x, plane, block, tx_size, coeff_ctx, args->so->scan, 654 args->so->neighbors, args->use_fast_coef_costing); 655 } 656 657 static void block_rd_txfm(int plane, int block, int blk_row, int blk_col, 658 BLOCK_SIZE plane_bsize, TX_SIZE tx_size, void *arg) { 659 struct rdcost_block_args *args = arg; 660 MACROBLOCK *const x = args->x; 661 MACROBLOCKD *const xd = &x->e_mbd; 662 MODE_INFO *const mi = xd->mi[0]; 663 int64_t rd1, rd2, rd; 664 int rate; 665 int64_t dist; 666 int64_t sse; 667 const int coeff_ctx = 668 combine_entropy_contexts(args->t_left[blk_row], args->t_above[blk_col]); 669 670 if (args->exit_early) return; 671 672 if (!is_inter_block(mi)) { 673 struct encode_b_args intra_arg = { x, x->block_qcoeff_opt, args->t_above, 674 args->t_left, &mi->skip }; 675 vp9_encode_block_intra(plane, block, blk_row, blk_col, plane_bsize, tx_size, 676 &intra_arg); 677 if (x->block_tx_domain) { 678 dist_block(args->cpi, x, plane, plane_bsize, block, blk_row, blk_col, 679 tx_size, &dist, &sse); 680 } else { 681 const BLOCK_SIZE tx_bsize = txsize_to_bsize[tx_size]; 682 const struct macroblock_plane *const p = &x->plane[plane]; 683 const struct macroblockd_plane *const pd = &xd->plane[plane]; 684 const int src_stride = p->src.stride; 685 const int dst_stride = pd->dst.stride; 686 const int diff_stride = 4 * num_4x4_blocks_wide_lookup[plane_bsize]; 687 const uint8_t *src = &p->src.buf[4 * (blk_row * src_stride + blk_col)]; 688 const uint8_t *dst = &pd->dst.buf[4 * (blk_row * dst_stride + blk_col)]; 689 const int16_t *diff = &p->src_diff[4 * (blk_row * diff_stride + blk_col)]; 690 unsigned int tmp; 691 sse = sum_squares_visible(xd, pd, diff, diff_stride, blk_row, blk_col, 692 plane_bsize, tx_bsize); 693 #if CONFIG_VP9_HIGHBITDEPTH 694 if ((xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) && (xd->bd > 8)) 695 sse = ROUND64_POWER_OF_TWO(sse, (xd->bd - 8) * 2); 696 #endif // CONFIG_VP9_HIGHBITDEPTH 697 sse = sse * 16; 698 tmp = pixel_sse(args->cpi, xd, pd, src, src_stride, dst, dst_stride, 699 blk_row, blk_col, plane_bsize, tx_bsize); 700 dist = (int64_t)tmp * 16; 701 } 702 } else if (max_txsize_lookup[plane_bsize] == tx_size) { 703 if (x->skip_txfm[(plane << 2) + (block >> (tx_size << 1))] == 704 SKIP_TXFM_NONE) { 705 // full forward transform and quantization 706 vp9_xform_quant(x, plane, block, blk_row, blk_col, plane_bsize, tx_size); 707 if (x->block_qcoeff_opt) 708 vp9_optimize_b(x, plane, block, tx_size, coeff_ctx); 709 dist_block(args->cpi, x, plane, plane_bsize, block, blk_row, blk_col, 710 tx_size, &dist, &sse); 711 } else if (x->skip_txfm[(plane << 2) + (block >> (tx_size << 1))] == 712 SKIP_TXFM_AC_ONLY) { 713 // compute DC coefficient 714 tran_low_t *const coeff = BLOCK_OFFSET(x->plane[plane].coeff, block); 715 tran_low_t *const dqcoeff = BLOCK_OFFSET(xd->plane[plane].dqcoeff, block); 716 vp9_xform_quant_dc(x, plane, block, blk_row, blk_col, plane_bsize, 717 tx_size); 718 sse = x->bsse[(plane << 2) + (block >> (tx_size << 1))] << 4; 719 dist = sse; 720 if (x->plane[plane].eobs[block]) { 721 const int64_t orig_sse = (int64_t)coeff[0] * coeff[0]; 722 const int64_t resd_sse = coeff[0] - dqcoeff[0]; 723 int64_t dc_correct = orig_sse - resd_sse * resd_sse; 724 #if CONFIG_VP9_HIGHBITDEPTH 725 dc_correct >>= ((xd->bd - 8) * 2); 726 #endif 727 if (tx_size != TX_32X32) dc_correct >>= 2; 728 729 dist = VPXMAX(0, sse - dc_correct); 730 } 731 } else { 732 // SKIP_TXFM_AC_DC 733 // skip forward transform 734 x->plane[plane].eobs[block] = 0; 735 sse = x->bsse[(plane << 2) + (block >> (tx_size << 1))] << 4; 736 dist = sse; 737 } 738 } else { 739 // full forward transform and quantization 740 vp9_xform_quant(x, plane, block, blk_row, blk_col, plane_bsize, tx_size); 741 if (x->block_qcoeff_opt) 742 vp9_optimize_b(x, plane, block, tx_size, coeff_ctx); 743 dist_block(args->cpi, x, plane, plane_bsize, block, blk_row, blk_col, 744 tx_size, &dist, &sse); 745 } 746 747 rd = RDCOST(x->rdmult, x->rddiv, 0, dist); 748 if (args->this_rd + rd > args->best_rd) { 749 args->exit_early = 1; 750 return; 751 } 752 753 rate = rate_block(plane, block, tx_size, coeff_ctx, args); 754 args->t_above[blk_col] = (x->plane[plane].eobs[block] > 0) ? 1 : 0; 755 args->t_left[blk_row] = (x->plane[plane].eobs[block] > 0) ? 1 : 0; 756 rd1 = RDCOST(x->rdmult, x->rddiv, rate, dist); 757 rd2 = RDCOST(x->rdmult, x->rddiv, 0, sse); 758 759 // TODO(jingning): temporarily enabled only for luma component 760 rd = VPXMIN(rd1, rd2); 761 if (plane == 0) { 762 x->zcoeff_blk[tx_size][block] = 763 !x->plane[plane].eobs[block] || (rd1 > rd2 && !xd->lossless); 764 x->sum_y_eobs[tx_size] += x->plane[plane].eobs[block]; 765 } 766 767 args->this_rate += rate; 768 args->this_dist += dist; 769 args->this_sse += sse; 770 args->this_rd += rd; 771 772 if (args->this_rd > args->best_rd) { 773 args->exit_early = 1; 774 return; 775 } 776 777 args->skippable &= !x->plane[plane].eobs[block]; 778 } 779 780 static void txfm_rd_in_plane(const VP9_COMP *cpi, MACROBLOCK *x, int *rate, 781 int64_t *distortion, int *skippable, int64_t *sse, 782 int64_t ref_best_rd, int plane, BLOCK_SIZE bsize, 783 TX_SIZE tx_size, int use_fast_coef_casting) { 784 MACROBLOCKD *const xd = &x->e_mbd; 785 const struct macroblockd_plane *const pd = &xd->plane[plane]; 786 struct rdcost_block_args args; 787 vp9_zero(args); 788 args.cpi = cpi; 789 args.x = x; 790 args.best_rd = ref_best_rd; 791 args.use_fast_coef_costing = use_fast_coef_casting; 792 args.skippable = 1; 793 794 if (plane == 0) xd->mi[0]->tx_size = tx_size; 795 796 vp9_get_entropy_contexts(bsize, tx_size, pd, args.t_above, args.t_left); 797 798 args.so = get_scan(xd, tx_size, get_plane_type(plane), 0); 799 800 vp9_foreach_transformed_block_in_plane(xd, bsize, plane, block_rd_txfm, 801 &args); 802 if (args.exit_early) { 803 *rate = INT_MAX; 804 *distortion = INT64_MAX; 805 *sse = INT64_MAX; 806 *skippable = 0; 807 } else { 808 *distortion = args.this_dist; 809 *rate = args.this_rate; 810 *sse = args.this_sse; 811 *skippable = args.skippable; 812 } 813 } 814 815 static void choose_largest_tx_size(VP9_COMP *cpi, MACROBLOCK *x, int *rate, 816 int64_t *distortion, int *skip, int64_t *sse, 817 int64_t ref_best_rd, BLOCK_SIZE bs) { 818 const TX_SIZE max_tx_size = max_txsize_lookup[bs]; 819 VP9_COMMON *const cm = &cpi->common; 820 const TX_SIZE largest_tx_size = tx_mode_to_biggest_tx_size[cm->tx_mode]; 821 MACROBLOCKD *const xd = &x->e_mbd; 822 MODE_INFO *const mi = xd->mi[0]; 823 824 mi->tx_size = VPXMIN(max_tx_size, largest_tx_size); 825 826 txfm_rd_in_plane(cpi, x, rate, distortion, skip, sse, ref_best_rd, 0, bs, 827 mi->tx_size, cpi->sf.use_fast_coef_costing); 828 } 829 830 static void choose_tx_size_from_rd(VP9_COMP *cpi, MACROBLOCK *x, int *rate, 831 int64_t *distortion, int *skip, 832 int64_t *psse, int64_t ref_best_rd, 833 BLOCK_SIZE bs) { 834 const TX_SIZE max_tx_size = max_txsize_lookup[bs]; 835 VP9_COMMON *const cm = &cpi->common; 836 MACROBLOCKD *const xd = &x->e_mbd; 837 MODE_INFO *const mi = xd->mi[0]; 838 vpx_prob skip_prob = vp9_get_skip_prob(cm, xd); 839 int r[TX_SIZES][2], s[TX_SIZES]; 840 int64_t d[TX_SIZES], sse[TX_SIZES]; 841 int64_t rd[TX_SIZES][2] = { { INT64_MAX, INT64_MAX }, 842 { INT64_MAX, INT64_MAX }, 843 { INT64_MAX, INT64_MAX }, 844 { INT64_MAX, INT64_MAX } }; 845 int n, m; 846 int s0, s1; 847 int64_t best_rd = INT64_MAX; 848 TX_SIZE best_tx = max_tx_size; 849 int start_tx, end_tx; 850 851 const vpx_prob *tx_probs = get_tx_probs2(max_tx_size, xd, &cm->fc->tx_probs); 852 assert(skip_prob > 0); 853 s0 = vp9_cost_bit(skip_prob, 0); 854 s1 = vp9_cost_bit(skip_prob, 1); 855 856 if (cm->tx_mode == TX_MODE_SELECT) { 857 start_tx = max_tx_size; 858 end_tx = 0; 859 } else { 860 TX_SIZE chosen_tx_size = 861 VPXMIN(max_tx_size, tx_mode_to_biggest_tx_size[cm->tx_mode]); 862 start_tx = chosen_tx_size; 863 end_tx = chosen_tx_size; 864 } 865 866 for (n = start_tx; n >= end_tx; n--) { 867 int r_tx_size = 0; 868 for (m = 0; m <= n - (n == (int)max_tx_size); m++) { 869 if (m == n) 870 r_tx_size += vp9_cost_zero(tx_probs[m]); 871 else 872 r_tx_size += vp9_cost_one(tx_probs[m]); 873 } 874 txfm_rd_in_plane(cpi, x, &r[n][0], &d[n], &s[n], &sse[n], ref_best_rd, 0, 875 bs, n, cpi->sf.use_fast_coef_costing); 876 r[n][1] = r[n][0]; 877 if (r[n][0] < INT_MAX) { 878 r[n][1] += r_tx_size; 879 } 880 if (d[n] == INT64_MAX || r[n][0] == INT_MAX) { 881 rd[n][0] = rd[n][1] = INT64_MAX; 882 } else if (s[n]) { 883 if (is_inter_block(mi)) { 884 rd[n][0] = rd[n][1] = RDCOST(x->rdmult, x->rddiv, s1, sse[n]); 885 r[n][1] -= r_tx_size; 886 } else { 887 rd[n][0] = RDCOST(x->rdmult, x->rddiv, s1, sse[n]); 888 rd[n][1] = RDCOST(x->rdmult, x->rddiv, s1 + r_tx_size, sse[n]); 889 } 890 } else { 891 rd[n][0] = RDCOST(x->rdmult, x->rddiv, r[n][0] + s0, d[n]); 892 rd[n][1] = RDCOST(x->rdmult, x->rddiv, r[n][1] + s0, d[n]); 893 } 894 895 if (is_inter_block(mi) && !xd->lossless && !s[n] && sse[n] != INT64_MAX) { 896 rd[n][0] = VPXMIN(rd[n][0], RDCOST(x->rdmult, x->rddiv, s1, sse[n])); 897 rd[n][1] = VPXMIN(rd[n][1], RDCOST(x->rdmult, x->rddiv, s1, sse[n])); 898 } 899 900 // Early termination in transform size search. 901 if (cpi->sf.tx_size_search_breakout && 902 (rd[n][1] == INT64_MAX || 903 (n < (int)max_tx_size && rd[n][1] > rd[n + 1][1]) || s[n] == 1)) 904 break; 905 906 if (rd[n][1] < best_rd) { 907 best_tx = n; 908 best_rd = rd[n][1]; 909 } 910 } 911 mi->tx_size = best_tx; 912 913 *distortion = d[mi->tx_size]; 914 *rate = r[mi->tx_size][cm->tx_mode == TX_MODE_SELECT]; 915 *skip = s[mi->tx_size]; 916 *psse = sse[mi->tx_size]; 917 } 918 919 static void super_block_yrd(VP9_COMP *cpi, MACROBLOCK *x, int *rate, 920 int64_t *distortion, int *skip, int64_t *psse, 921 BLOCK_SIZE bs, int64_t ref_best_rd) { 922 MACROBLOCKD *xd = &x->e_mbd; 923 int64_t sse; 924 int64_t *ret_sse = psse ? psse : &sse; 925 926 assert(bs == xd->mi[0]->sb_type); 927 928 if (cpi->sf.tx_size_search_method == USE_LARGESTALL || xd->lossless) { 929 choose_largest_tx_size(cpi, x, rate, distortion, skip, ret_sse, ref_best_rd, 930 bs); 931 } else { 932 choose_tx_size_from_rd(cpi, x, rate, distortion, skip, ret_sse, ref_best_rd, 933 bs); 934 } 935 } 936 937 static int conditional_skipintra(PREDICTION_MODE mode, 938 PREDICTION_MODE best_intra_mode) { 939 if (mode == D117_PRED && best_intra_mode != V_PRED && 940 best_intra_mode != D135_PRED) 941 return 1; 942 if (mode == D63_PRED && best_intra_mode != V_PRED && 943 best_intra_mode != D45_PRED) 944 return 1; 945 if (mode == D207_PRED && best_intra_mode != H_PRED && 946 best_intra_mode != D45_PRED) 947 return 1; 948 if (mode == D153_PRED && best_intra_mode != H_PRED && 949 best_intra_mode != D135_PRED) 950 return 1; 951 return 0; 952 } 953 954 static int64_t rd_pick_intra4x4block(VP9_COMP *cpi, MACROBLOCK *x, int row, 955 int col, PREDICTION_MODE *best_mode, 956 const int *bmode_costs, ENTROPY_CONTEXT *a, 957 ENTROPY_CONTEXT *l, int *bestrate, 958 int *bestratey, int64_t *bestdistortion, 959 BLOCK_SIZE bsize, int64_t rd_thresh) { 960 PREDICTION_MODE mode; 961 MACROBLOCKD *const xd = &x->e_mbd; 962 int64_t best_rd = rd_thresh; 963 struct macroblock_plane *p = &x->plane[0]; 964 struct macroblockd_plane *pd = &xd->plane[0]; 965 const int src_stride = p->src.stride; 966 const int dst_stride = pd->dst.stride; 967 const uint8_t *src_init = &p->src.buf[row * 4 * src_stride + col * 4]; 968 uint8_t *dst_init = &pd->dst.buf[row * 4 * src_stride + col * 4]; 969 ENTROPY_CONTEXT ta[2], tempa[2]; 970 ENTROPY_CONTEXT tl[2], templ[2]; 971 const int num_4x4_blocks_wide = num_4x4_blocks_wide_lookup[bsize]; 972 const int num_4x4_blocks_high = num_4x4_blocks_high_lookup[bsize]; 973 int idx, idy; 974 uint8_t best_dst[8 * 8]; 975 #if CONFIG_VP9_HIGHBITDEPTH 976 uint16_t best_dst16[8 * 8]; 977 #endif 978 memcpy(ta, a, num_4x4_blocks_wide * sizeof(a[0])); 979 memcpy(tl, l, num_4x4_blocks_high * sizeof(l[0])); 980 981 xd->mi[0]->tx_size = TX_4X4; 982 983 #if CONFIG_VP9_HIGHBITDEPTH 984 if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { 985 for (mode = DC_PRED; mode <= TM_PRED; ++mode) { 986 int64_t this_rd; 987 int ratey = 0; 988 int64_t distortion = 0; 989 int rate = bmode_costs[mode]; 990 991 if (!(cpi->sf.intra_y_mode_mask[TX_4X4] & (1 << mode))) continue; 992 993 // Only do the oblique modes if the best so far is 994 // one of the neighboring directional modes 995 if (cpi->sf.mode_search_skip_flags & FLAG_SKIP_INTRA_DIRMISMATCH) { 996 if (conditional_skipintra(mode, *best_mode)) continue; 997 } 998 999 memcpy(tempa, ta, num_4x4_blocks_wide * sizeof(ta[0])); 1000 memcpy(templ, tl, num_4x4_blocks_high * sizeof(tl[0])); 1001 1002 for (idy = 0; idy < num_4x4_blocks_high; ++idy) { 1003 for (idx = 0; idx < num_4x4_blocks_wide; ++idx) { 1004 const int block = (row + idy) * 2 + (col + idx); 1005 const uint8_t *const src = &src_init[idx * 4 + idy * 4 * src_stride]; 1006 uint8_t *const dst = &dst_init[idx * 4 + idy * 4 * dst_stride]; 1007 uint16_t *const dst16 = CONVERT_TO_SHORTPTR(dst); 1008 int16_t *const src_diff = 1009 vp9_raster_block_offset_int16(BLOCK_8X8, block, p->src_diff); 1010 tran_low_t *const coeff = BLOCK_OFFSET(x->plane[0].coeff, block); 1011 xd->mi[0]->bmi[block].as_mode = mode; 1012 vp9_predict_intra_block(xd, 1, TX_4X4, mode, 1013 x->skip_encode ? src : dst, 1014 x->skip_encode ? src_stride : dst_stride, dst, 1015 dst_stride, col + idx, row + idy, 0); 1016 vpx_highbd_subtract_block(4, 4, src_diff, 8, src, src_stride, dst, 1017 dst_stride, xd->bd); 1018 if (xd->lossless) { 1019 const scan_order *so = &vp9_default_scan_orders[TX_4X4]; 1020 const int coeff_ctx = 1021 combine_entropy_contexts(tempa[idx], templ[idy]); 1022 vp9_highbd_fwht4x4(src_diff, coeff, 8); 1023 vp9_regular_quantize_b_4x4(x, 0, block, so->scan, so->iscan); 1024 ratey += cost_coeffs(x, 0, block, TX_4X4, coeff_ctx, so->scan, 1025 so->neighbors, cpi->sf.use_fast_coef_costing); 1026 tempa[idx] = templ[idy] = (x->plane[0].eobs[block] > 0 ? 1 : 0); 1027 if (RDCOST(x->rdmult, x->rddiv, ratey, distortion) >= best_rd) 1028 goto next_highbd; 1029 vp9_highbd_iwht4x4_add(BLOCK_OFFSET(pd->dqcoeff, block), dst16, 1030 dst_stride, p->eobs[block], xd->bd); 1031 } else { 1032 int64_t unused; 1033 const TX_TYPE tx_type = get_tx_type_4x4(PLANE_TYPE_Y, xd, block); 1034 const scan_order *so = &vp9_scan_orders[TX_4X4][tx_type]; 1035 const int coeff_ctx = 1036 combine_entropy_contexts(tempa[idx], templ[idy]); 1037 if (tx_type == DCT_DCT) 1038 vpx_highbd_fdct4x4(src_diff, coeff, 8); 1039 else 1040 vp9_highbd_fht4x4(src_diff, coeff, 8, tx_type); 1041 vp9_regular_quantize_b_4x4(x, 0, block, so->scan, so->iscan); 1042 ratey += cost_coeffs(x, 0, block, TX_4X4, coeff_ctx, so->scan, 1043 so->neighbors, cpi->sf.use_fast_coef_costing); 1044 distortion += vp9_highbd_block_error_dispatch( 1045 coeff, BLOCK_OFFSET(pd->dqcoeff, block), 16, 1046 &unused, xd->bd) >> 1047 2; 1048 tempa[idx] = templ[idy] = (x->plane[0].eobs[block] > 0 ? 1 : 0); 1049 if (RDCOST(x->rdmult, x->rddiv, ratey, distortion) >= best_rd) 1050 goto next_highbd; 1051 vp9_highbd_iht4x4_add(tx_type, BLOCK_OFFSET(pd->dqcoeff, block), 1052 dst16, dst_stride, p->eobs[block], xd->bd); 1053 } 1054 } 1055 } 1056 1057 rate += ratey; 1058 this_rd = RDCOST(x->rdmult, x->rddiv, rate, distortion); 1059 1060 if (this_rd < best_rd) { 1061 *bestrate = rate; 1062 *bestratey = ratey; 1063 *bestdistortion = distortion; 1064 best_rd = this_rd; 1065 *best_mode = mode; 1066 memcpy(a, tempa, num_4x4_blocks_wide * sizeof(tempa[0])); 1067 memcpy(l, templ, num_4x4_blocks_high * sizeof(templ[0])); 1068 for (idy = 0; idy < num_4x4_blocks_high * 4; ++idy) { 1069 memcpy(best_dst16 + idy * 8, 1070 CONVERT_TO_SHORTPTR(dst_init + idy * dst_stride), 1071 num_4x4_blocks_wide * 4 * sizeof(uint16_t)); 1072 } 1073 } 1074 next_highbd : {} 1075 } 1076 if (best_rd >= rd_thresh || x->skip_encode) return best_rd; 1077 1078 for (idy = 0; idy < num_4x4_blocks_high * 4; ++idy) { 1079 memcpy(CONVERT_TO_SHORTPTR(dst_init + idy * dst_stride), 1080 best_dst16 + idy * 8, num_4x4_blocks_wide * 4 * sizeof(uint16_t)); 1081 } 1082 1083 return best_rd; 1084 } 1085 #endif // CONFIG_VP9_HIGHBITDEPTH 1086 1087 for (mode = DC_PRED; mode <= TM_PRED; ++mode) { 1088 int64_t this_rd; 1089 int ratey = 0; 1090 int64_t distortion = 0; 1091 int rate = bmode_costs[mode]; 1092 1093 if (!(cpi->sf.intra_y_mode_mask[TX_4X4] & (1 << mode))) continue; 1094 1095 // Only do the oblique modes if the best so far is 1096 // one of the neighboring directional modes 1097 if (cpi->sf.mode_search_skip_flags & FLAG_SKIP_INTRA_DIRMISMATCH) { 1098 if (conditional_skipintra(mode, *best_mode)) continue; 1099 } 1100 1101 memcpy(tempa, ta, num_4x4_blocks_wide * sizeof(ta[0])); 1102 memcpy(templ, tl, num_4x4_blocks_high * sizeof(tl[0])); 1103 1104 for (idy = 0; idy < num_4x4_blocks_high; ++idy) { 1105 for (idx = 0; idx < num_4x4_blocks_wide; ++idx) { 1106 const int block = (row + idy) * 2 + (col + idx); 1107 const uint8_t *const src = &src_init[idx * 4 + idy * 4 * src_stride]; 1108 uint8_t *const dst = &dst_init[idx * 4 + idy * 4 * dst_stride]; 1109 int16_t *const src_diff = 1110 vp9_raster_block_offset_int16(BLOCK_8X8, block, p->src_diff); 1111 tran_low_t *const coeff = BLOCK_OFFSET(x->plane[0].coeff, block); 1112 xd->mi[0]->bmi[block].as_mode = mode; 1113 vp9_predict_intra_block(xd, 1, TX_4X4, mode, x->skip_encode ? src : dst, 1114 x->skip_encode ? src_stride : dst_stride, dst, 1115 dst_stride, col + idx, row + idy, 0); 1116 vpx_subtract_block(4, 4, src_diff, 8, src, src_stride, dst, dst_stride); 1117 1118 if (xd->lossless) { 1119 const scan_order *so = &vp9_default_scan_orders[TX_4X4]; 1120 const int coeff_ctx = 1121 combine_entropy_contexts(tempa[idx], templ[idy]); 1122 vp9_fwht4x4(src_diff, coeff, 8); 1123 vp9_regular_quantize_b_4x4(x, 0, block, so->scan, so->iscan); 1124 ratey += cost_coeffs(x, 0, block, TX_4X4, coeff_ctx, so->scan, 1125 so->neighbors, cpi->sf.use_fast_coef_costing); 1126 tempa[idx] = templ[idy] = (x->plane[0].eobs[block] > 0) ? 1 : 0; 1127 if (RDCOST(x->rdmult, x->rddiv, ratey, distortion) >= best_rd) 1128 goto next; 1129 vp9_iwht4x4_add(BLOCK_OFFSET(pd->dqcoeff, block), dst, dst_stride, 1130 p->eobs[block]); 1131 } else { 1132 int64_t unused; 1133 const TX_TYPE tx_type = get_tx_type_4x4(PLANE_TYPE_Y, xd, block); 1134 const scan_order *so = &vp9_scan_orders[TX_4X4][tx_type]; 1135 const int coeff_ctx = 1136 combine_entropy_contexts(tempa[idx], templ[idy]); 1137 vp9_fht4x4(src_diff, coeff, 8, tx_type); 1138 vp9_regular_quantize_b_4x4(x, 0, block, so->scan, so->iscan); 1139 ratey += cost_coeffs(x, 0, block, TX_4X4, coeff_ctx, so->scan, 1140 so->neighbors, cpi->sf.use_fast_coef_costing); 1141 tempa[idx] = templ[idy] = (x->plane[0].eobs[block] > 0) ? 1 : 0; 1142 distortion += vp9_block_error(coeff, BLOCK_OFFSET(pd->dqcoeff, block), 1143 16, &unused) >> 1144 2; 1145 if (RDCOST(x->rdmult, x->rddiv, ratey, distortion) >= best_rd) 1146 goto next; 1147 vp9_iht4x4_add(tx_type, BLOCK_OFFSET(pd->dqcoeff, block), dst, 1148 dst_stride, p->eobs[block]); 1149 } 1150 } 1151 } 1152 1153 rate += ratey; 1154 this_rd = RDCOST(x->rdmult, x->rddiv, rate, distortion); 1155 1156 if (this_rd < best_rd) { 1157 *bestrate = rate; 1158 *bestratey = ratey; 1159 *bestdistortion = distortion; 1160 best_rd = this_rd; 1161 *best_mode = mode; 1162 memcpy(a, tempa, num_4x4_blocks_wide * sizeof(tempa[0])); 1163 memcpy(l, templ, num_4x4_blocks_high * sizeof(templ[0])); 1164 for (idy = 0; idy < num_4x4_blocks_high * 4; ++idy) 1165 memcpy(best_dst + idy * 8, dst_init + idy * dst_stride, 1166 num_4x4_blocks_wide * 4); 1167 } 1168 next : {} 1169 } 1170 1171 if (best_rd >= rd_thresh || x->skip_encode) return best_rd; 1172 1173 for (idy = 0; idy < num_4x4_blocks_high * 4; ++idy) 1174 memcpy(dst_init + idy * dst_stride, best_dst + idy * 8, 1175 num_4x4_blocks_wide * 4); 1176 1177 return best_rd; 1178 } 1179 1180 static int64_t rd_pick_intra_sub_8x8_y_mode(VP9_COMP *cpi, MACROBLOCK *mb, 1181 int *rate, int *rate_y, 1182 int64_t *distortion, 1183 int64_t best_rd) { 1184 int i, j; 1185 const MACROBLOCKD *const xd = &mb->e_mbd; 1186 MODE_INFO *const mic = xd->mi[0]; 1187 const MODE_INFO *above_mi = xd->above_mi; 1188 const MODE_INFO *left_mi = xd->left_mi; 1189 const BLOCK_SIZE bsize = xd->mi[0]->sb_type; 1190 const int num_4x4_blocks_wide = num_4x4_blocks_wide_lookup[bsize]; 1191 const int num_4x4_blocks_high = num_4x4_blocks_high_lookup[bsize]; 1192 int idx, idy; 1193 int cost = 0; 1194 int64_t total_distortion = 0; 1195 int tot_rate_y = 0; 1196 int64_t total_rd = 0; 1197 const int *bmode_costs = cpi->mbmode_cost; 1198 1199 // Pick modes for each sub-block (of size 4x4, 4x8, or 8x4) in an 8x8 block. 1200 for (idy = 0; idy < 2; idy += num_4x4_blocks_high) { 1201 for (idx = 0; idx < 2; idx += num_4x4_blocks_wide) { 1202 PREDICTION_MODE best_mode = DC_PRED; 1203 int r = INT_MAX, ry = INT_MAX; 1204 int64_t d = INT64_MAX, this_rd = INT64_MAX; 1205 i = idy * 2 + idx; 1206 if (cpi->common.frame_type == KEY_FRAME) { 1207 const PREDICTION_MODE A = vp9_above_block_mode(mic, above_mi, i); 1208 const PREDICTION_MODE L = vp9_left_block_mode(mic, left_mi, i); 1209 1210 bmode_costs = cpi->y_mode_costs[A][L]; 1211 } 1212 1213 this_rd = rd_pick_intra4x4block( 1214 cpi, mb, idy, idx, &best_mode, bmode_costs, 1215 xd->plane[0].above_context + idx, xd->plane[0].left_context + idy, &r, 1216 &ry, &d, bsize, best_rd - total_rd); 1217 1218 if (this_rd >= best_rd - total_rd) return INT64_MAX; 1219 1220 total_rd += this_rd; 1221 cost += r; 1222 total_distortion += d; 1223 tot_rate_y += ry; 1224 1225 mic->bmi[i].as_mode = best_mode; 1226 for (j = 1; j < num_4x4_blocks_high; ++j) 1227 mic->bmi[i + j * 2].as_mode = best_mode; 1228 for (j = 1; j < num_4x4_blocks_wide; ++j) 1229 mic->bmi[i + j].as_mode = best_mode; 1230 1231 if (total_rd >= best_rd) return INT64_MAX; 1232 } 1233 } 1234 1235 *rate = cost; 1236 *rate_y = tot_rate_y; 1237 *distortion = total_distortion; 1238 mic->mode = mic->bmi[3].as_mode; 1239 1240 return RDCOST(mb->rdmult, mb->rddiv, cost, total_distortion); 1241 } 1242 1243 // This function is used only for intra_only frames 1244 static int64_t rd_pick_intra_sby_mode(VP9_COMP *cpi, MACROBLOCK *x, int *rate, 1245 int *rate_tokenonly, int64_t *distortion, 1246 int *skippable, BLOCK_SIZE bsize, 1247 int64_t best_rd) { 1248 PREDICTION_MODE mode; 1249 PREDICTION_MODE mode_selected = DC_PRED; 1250 MACROBLOCKD *const xd = &x->e_mbd; 1251 MODE_INFO *const mic = xd->mi[0]; 1252 int this_rate, this_rate_tokenonly, s; 1253 int64_t this_distortion, this_rd; 1254 TX_SIZE best_tx = TX_4X4; 1255 int *bmode_costs; 1256 const MODE_INFO *above_mi = xd->above_mi; 1257 const MODE_INFO *left_mi = xd->left_mi; 1258 const PREDICTION_MODE A = vp9_above_block_mode(mic, above_mi, 0); 1259 const PREDICTION_MODE L = vp9_left_block_mode(mic, left_mi, 0); 1260 bmode_costs = cpi->y_mode_costs[A][L]; 1261 1262 memset(x->skip_txfm, SKIP_TXFM_NONE, sizeof(x->skip_txfm)); 1263 /* Y Search for intra prediction mode */ 1264 for (mode = DC_PRED; mode <= TM_PRED; mode++) { 1265 if (cpi->sf.use_nonrd_pick_mode) { 1266 // These speed features are turned on in hybrid non-RD and RD mode 1267 // for key frame coding in the context of real-time setting. 1268 if (conditional_skipintra(mode, mode_selected)) continue; 1269 if (*skippable) break; 1270 } 1271 1272 mic->mode = mode; 1273 1274 super_block_yrd(cpi, x, &this_rate_tokenonly, &this_distortion, &s, NULL, 1275 bsize, best_rd); 1276 1277 if (this_rate_tokenonly == INT_MAX) continue; 1278 1279 this_rate = this_rate_tokenonly + bmode_costs[mode]; 1280 this_rd = RDCOST(x->rdmult, x->rddiv, this_rate, this_distortion); 1281 1282 if (this_rd < best_rd) { 1283 mode_selected = mode; 1284 best_rd = this_rd; 1285 best_tx = mic->tx_size; 1286 *rate = this_rate; 1287 *rate_tokenonly = this_rate_tokenonly; 1288 *distortion = this_distortion; 1289 *skippable = s; 1290 } 1291 } 1292 1293 mic->mode = mode_selected; 1294 mic->tx_size = best_tx; 1295 1296 return best_rd; 1297 } 1298 1299 // Return value 0: early termination triggered, no valid rd cost available; 1300 // 1: rd cost values are valid. 1301 static int super_block_uvrd(const VP9_COMP *cpi, MACROBLOCK *x, int *rate, 1302 int64_t *distortion, int *skippable, int64_t *sse, 1303 BLOCK_SIZE bsize, int64_t ref_best_rd) { 1304 MACROBLOCKD *const xd = &x->e_mbd; 1305 MODE_INFO *const mi = xd->mi[0]; 1306 const TX_SIZE uv_tx_size = get_uv_tx_size(mi, &xd->plane[1]); 1307 int plane; 1308 int pnrate = 0, pnskip = 1; 1309 int64_t pndist = 0, pnsse = 0; 1310 int is_cost_valid = 1; 1311 1312 if (ref_best_rd < 0) is_cost_valid = 0; 1313 1314 if (is_inter_block(mi) && is_cost_valid) { 1315 int plane; 1316 for (plane = 1; plane < MAX_MB_PLANE; ++plane) 1317 vp9_subtract_plane(x, bsize, plane); 1318 } 1319 1320 *rate = 0; 1321 *distortion = 0; 1322 *sse = 0; 1323 *skippable = 1; 1324 1325 for (plane = 1; plane < MAX_MB_PLANE; ++plane) { 1326 txfm_rd_in_plane(cpi, x, &pnrate, &pndist, &pnskip, &pnsse, ref_best_rd, 1327 plane, bsize, uv_tx_size, cpi->sf.use_fast_coef_costing); 1328 if (pnrate == INT_MAX) { 1329 is_cost_valid = 0; 1330 break; 1331 } 1332 *rate += pnrate; 1333 *distortion += pndist; 1334 *sse += pnsse; 1335 *skippable &= pnskip; 1336 } 1337 1338 if (!is_cost_valid) { 1339 // reset cost value 1340 *rate = INT_MAX; 1341 *distortion = INT64_MAX; 1342 *sse = INT64_MAX; 1343 *skippable = 0; 1344 } 1345 1346 return is_cost_valid; 1347 } 1348 1349 static int64_t rd_pick_intra_sbuv_mode(VP9_COMP *cpi, MACROBLOCK *x, 1350 PICK_MODE_CONTEXT *ctx, int *rate, 1351 int *rate_tokenonly, int64_t *distortion, 1352 int *skippable, BLOCK_SIZE bsize, 1353 TX_SIZE max_tx_size) { 1354 MACROBLOCKD *xd = &x->e_mbd; 1355 PREDICTION_MODE mode; 1356 PREDICTION_MODE mode_selected = DC_PRED; 1357 int64_t best_rd = INT64_MAX, this_rd; 1358 int this_rate_tokenonly, this_rate, s; 1359 int64_t this_distortion, this_sse; 1360 1361 memset(x->skip_txfm, SKIP_TXFM_NONE, sizeof(x->skip_txfm)); 1362 for (mode = DC_PRED; mode <= TM_PRED; ++mode) { 1363 if (!(cpi->sf.intra_uv_mode_mask[max_tx_size] & (1 << mode))) continue; 1364 #if CONFIG_BETTER_HW_COMPATIBILITY && CONFIG_VP9_HIGHBITDEPTH 1365 if ((xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) && 1366 (xd->above_mi == NULL || xd->left_mi == NULL) && need_top_left[mode]) 1367 continue; 1368 #endif // CONFIG_BETTER_HW_COMPATIBILITY && CONFIG_VP9_HIGHBITDEPTH 1369 1370 xd->mi[0]->uv_mode = mode; 1371 1372 if (!super_block_uvrd(cpi, x, &this_rate_tokenonly, &this_distortion, &s, 1373 &this_sse, bsize, best_rd)) 1374 continue; 1375 this_rate = 1376 this_rate_tokenonly + 1377 cpi->intra_uv_mode_cost[cpi->common.frame_type][xd->mi[0]->mode][mode]; 1378 this_rd = RDCOST(x->rdmult, x->rddiv, this_rate, this_distortion); 1379 1380 if (this_rd < best_rd) { 1381 mode_selected = mode; 1382 best_rd = this_rd; 1383 *rate = this_rate; 1384 *rate_tokenonly = this_rate_tokenonly; 1385 *distortion = this_distortion; 1386 *skippable = s; 1387 if (!x->select_tx_size) swap_block_ptr(x, ctx, 2, 0, 1, MAX_MB_PLANE); 1388 } 1389 } 1390 1391 xd->mi[0]->uv_mode = mode_selected; 1392 return best_rd; 1393 } 1394 1395 static int64_t rd_sbuv_dcpred(const VP9_COMP *cpi, MACROBLOCK *x, int *rate, 1396 int *rate_tokenonly, int64_t *distortion, 1397 int *skippable, BLOCK_SIZE bsize) { 1398 const VP9_COMMON *cm = &cpi->common; 1399 int64_t unused; 1400 1401 x->e_mbd.mi[0]->uv_mode = DC_PRED; 1402 memset(x->skip_txfm, SKIP_TXFM_NONE, sizeof(x->skip_txfm)); 1403 super_block_uvrd(cpi, x, rate_tokenonly, distortion, skippable, &unused, 1404 bsize, INT64_MAX); 1405 *rate = 1406 *rate_tokenonly + 1407 cpi->intra_uv_mode_cost[cm->frame_type][x->e_mbd.mi[0]->mode][DC_PRED]; 1408 return RDCOST(x->rdmult, x->rddiv, *rate, *distortion); 1409 } 1410 1411 static void choose_intra_uv_mode(VP9_COMP *cpi, MACROBLOCK *const x, 1412 PICK_MODE_CONTEXT *ctx, BLOCK_SIZE bsize, 1413 TX_SIZE max_tx_size, int *rate_uv, 1414 int *rate_uv_tokenonly, int64_t *dist_uv, 1415 int *skip_uv, PREDICTION_MODE *mode_uv) { 1416 // Use an estimated rd for uv_intra based on DC_PRED if the 1417 // appropriate speed flag is set. 1418 if (cpi->sf.use_uv_intra_rd_estimate) { 1419 rd_sbuv_dcpred(cpi, x, rate_uv, rate_uv_tokenonly, dist_uv, skip_uv, 1420 bsize < BLOCK_8X8 ? BLOCK_8X8 : bsize); 1421 // Else do a proper rd search for each possible transform size that may 1422 // be considered in the main rd loop. 1423 } else { 1424 rd_pick_intra_sbuv_mode(cpi, x, ctx, rate_uv, rate_uv_tokenonly, dist_uv, 1425 skip_uv, bsize < BLOCK_8X8 ? BLOCK_8X8 : bsize, 1426 max_tx_size); 1427 } 1428 *mode_uv = x->e_mbd.mi[0]->uv_mode; 1429 } 1430 1431 static int cost_mv_ref(const VP9_COMP *cpi, PREDICTION_MODE mode, 1432 int mode_context) { 1433 assert(is_inter_mode(mode)); 1434 return cpi->inter_mode_cost[mode_context][INTER_OFFSET(mode)]; 1435 } 1436 1437 static int set_and_cost_bmi_mvs(VP9_COMP *cpi, MACROBLOCK *x, MACROBLOCKD *xd, 1438 int i, PREDICTION_MODE mode, int_mv this_mv[2], 1439 int_mv frame_mv[MB_MODE_COUNT][MAX_REF_FRAMES], 1440 int_mv seg_mvs[MAX_REF_FRAMES], 1441 int_mv *best_ref_mv[2], const int *mvjcost, 1442 int *mvcost[2]) { 1443 MODE_INFO *const mi = xd->mi[0]; 1444 const MB_MODE_INFO_EXT *const mbmi_ext = x->mbmi_ext; 1445 int thismvcost = 0; 1446 int idx, idy; 1447 const int num_4x4_blocks_wide = num_4x4_blocks_wide_lookup[mi->sb_type]; 1448 const int num_4x4_blocks_high = num_4x4_blocks_high_lookup[mi->sb_type]; 1449 const int is_compound = has_second_ref(mi); 1450 1451 switch (mode) { 1452 case NEWMV: 1453 this_mv[0].as_int = seg_mvs[mi->ref_frame[0]].as_int; 1454 thismvcost += vp9_mv_bit_cost(&this_mv[0].as_mv, &best_ref_mv[0]->as_mv, 1455 mvjcost, mvcost, MV_COST_WEIGHT_SUB); 1456 if (is_compound) { 1457 this_mv[1].as_int = seg_mvs[mi->ref_frame[1]].as_int; 1458 thismvcost += vp9_mv_bit_cost(&this_mv[1].as_mv, &best_ref_mv[1]->as_mv, 1459 mvjcost, mvcost, MV_COST_WEIGHT_SUB); 1460 } 1461 break; 1462 case NEARMV: 1463 case NEARESTMV: 1464 this_mv[0].as_int = frame_mv[mode][mi->ref_frame[0]].as_int; 1465 if (is_compound) 1466 this_mv[1].as_int = frame_mv[mode][mi->ref_frame[1]].as_int; 1467 break; 1468 case ZEROMV: 1469 this_mv[0].as_int = 0; 1470 if (is_compound) this_mv[1].as_int = 0; 1471 break; 1472 default: break; 1473 } 1474 1475 mi->bmi[i].as_mv[0].as_int = this_mv[0].as_int; 1476 if (is_compound) mi->bmi[i].as_mv[1].as_int = this_mv[1].as_int; 1477 1478 mi->bmi[i].as_mode = mode; 1479 1480 for (idy = 0; idy < num_4x4_blocks_high; ++idy) 1481 for (idx = 0; idx < num_4x4_blocks_wide; ++idx) 1482 memmove(&mi->bmi[i + idy * 2 + idx], &mi->bmi[i], sizeof(mi->bmi[i])); 1483 1484 return cost_mv_ref(cpi, mode, mbmi_ext->mode_context[mi->ref_frame[0]]) + 1485 thismvcost; 1486 } 1487 1488 static int64_t encode_inter_mb_segment(VP9_COMP *cpi, MACROBLOCK *x, 1489 int64_t best_yrd, int i, int *labelyrate, 1490 int64_t *distortion, int64_t *sse, 1491 ENTROPY_CONTEXT *ta, ENTROPY_CONTEXT *tl, 1492 int mi_row, int mi_col) { 1493 int k; 1494 MACROBLOCKD *xd = &x->e_mbd; 1495 struct macroblockd_plane *const pd = &xd->plane[0]; 1496 struct macroblock_plane *const p = &x->plane[0]; 1497 MODE_INFO *const mi = xd->mi[0]; 1498 const BLOCK_SIZE plane_bsize = get_plane_block_size(mi->sb_type, pd); 1499 const int width = 4 * num_4x4_blocks_wide_lookup[plane_bsize]; 1500 const int height = 4 * num_4x4_blocks_high_lookup[plane_bsize]; 1501 int idx, idy; 1502 1503 const uint8_t *const src = 1504 &p->src.buf[vp9_raster_block_offset(BLOCK_8X8, i, p->src.stride)]; 1505 uint8_t *const dst = 1506 &pd->dst.buf[vp9_raster_block_offset(BLOCK_8X8, i, pd->dst.stride)]; 1507 int64_t thisdistortion = 0, thissse = 0; 1508 int thisrate = 0, ref; 1509 const scan_order *so = &vp9_default_scan_orders[TX_4X4]; 1510 const int is_compound = has_second_ref(mi); 1511 const InterpKernel *kernel = vp9_filter_kernels[mi->interp_filter]; 1512 1513 for (ref = 0; ref < 1 + is_compound; ++ref) { 1514 const int bw = b_width_log2_lookup[BLOCK_8X8]; 1515 const int h = 4 * (i >> bw); 1516 const int w = 4 * (i & ((1 << bw) - 1)); 1517 const struct scale_factors *sf = &xd->block_refs[ref]->sf; 1518 int y_stride = pd->pre[ref].stride; 1519 uint8_t *pre = pd->pre[ref].buf + (h * pd->pre[ref].stride + w); 1520 1521 if (vp9_is_scaled(sf)) { 1522 const int x_start = (-xd->mb_to_left_edge >> (3 + pd->subsampling_x)); 1523 const int y_start = (-xd->mb_to_top_edge >> (3 + pd->subsampling_y)); 1524 1525 y_stride = xd->block_refs[ref]->buf->y_stride; 1526 pre = xd->block_refs[ref]->buf->y_buffer; 1527 pre += scaled_buffer_offset(x_start + w, y_start + h, y_stride, sf); 1528 } 1529 #if CONFIG_VP9_HIGHBITDEPTH 1530 if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { 1531 vp9_highbd_build_inter_predictor( 1532 CONVERT_TO_SHORTPTR(pre), y_stride, CONVERT_TO_SHORTPTR(dst), 1533 pd->dst.stride, &mi->bmi[i].as_mv[ref].as_mv, 1534 &xd->block_refs[ref]->sf, width, height, ref, kernel, MV_PRECISION_Q3, 1535 mi_col * MI_SIZE + 4 * (i % 2), mi_row * MI_SIZE + 4 * (i / 2), 1536 xd->bd); 1537 } else { 1538 vp9_build_inter_predictor( 1539 pre, y_stride, dst, pd->dst.stride, &mi->bmi[i].as_mv[ref].as_mv, 1540 &xd->block_refs[ref]->sf, width, height, ref, kernel, MV_PRECISION_Q3, 1541 mi_col * MI_SIZE + 4 * (i % 2), mi_row * MI_SIZE + 4 * (i / 2)); 1542 } 1543 #else 1544 vp9_build_inter_predictor( 1545 pre, y_stride, dst, pd->dst.stride, &mi->bmi[i].as_mv[ref].as_mv, 1546 &xd->block_refs[ref]->sf, width, height, ref, kernel, MV_PRECISION_Q3, 1547 mi_col * MI_SIZE + 4 * (i % 2), mi_row * MI_SIZE + 4 * (i / 2)); 1548 #endif // CONFIG_VP9_HIGHBITDEPTH 1549 } 1550 1551 #if CONFIG_VP9_HIGHBITDEPTH 1552 if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { 1553 vpx_highbd_subtract_block( 1554 height, width, vp9_raster_block_offset_int16(BLOCK_8X8, i, p->src_diff), 1555 8, src, p->src.stride, dst, pd->dst.stride, xd->bd); 1556 } else { 1557 vpx_subtract_block(height, width, 1558 vp9_raster_block_offset_int16(BLOCK_8X8, i, p->src_diff), 1559 8, src, p->src.stride, dst, pd->dst.stride); 1560 } 1561 #else 1562 vpx_subtract_block(height, width, 1563 vp9_raster_block_offset_int16(BLOCK_8X8, i, p->src_diff), 1564 8, src, p->src.stride, dst, pd->dst.stride); 1565 #endif // CONFIG_VP9_HIGHBITDEPTH 1566 1567 k = i; 1568 for (idy = 0; idy < height / 4; ++idy) { 1569 for (idx = 0; idx < width / 4; ++idx) { 1570 #if CONFIG_VP9_HIGHBITDEPTH 1571 const int bd = (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) ? xd->bd : 8; 1572 #endif 1573 int64_t ssz, rd, rd1, rd2; 1574 tran_low_t *coeff; 1575 int coeff_ctx; 1576 k += (idy * 2 + idx); 1577 coeff_ctx = combine_entropy_contexts(ta[k & 1], tl[k >> 1]); 1578 coeff = BLOCK_OFFSET(p->coeff, k); 1579 x->fwd_txm4x4(vp9_raster_block_offset_int16(BLOCK_8X8, k, p->src_diff), 1580 coeff, 8); 1581 vp9_regular_quantize_b_4x4(x, 0, k, so->scan, so->iscan); 1582 #if CONFIG_VP9_HIGHBITDEPTH 1583 thisdistortion += vp9_highbd_block_error_dispatch( 1584 coeff, BLOCK_OFFSET(pd->dqcoeff, k), 16, &ssz, bd); 1585 #else 1586 thisdistortion += 1587 vp9_block_error(coeff, BLOCK_OFFSET(pd->dqcoeff, k), 16, &ssz); 1588 #endif // CONFIG_VP9_HIGHBITDEPTH 1589 thissse += ssz; 1590 thisrate += cost_coeffs(x, 0, k, TX_4X4, coeff_ctx, so->scan, 1591 so->neighbors, cpi->sf.use_fast_coef_costing); 1592 ta[k & 1] = tl[k >> 1] = (x->plane[0].eobs[k] > 0) ? 1 : 0; 1593 rd1 = RDCOST(x->rdmult, x->rddiv, thisrate, thisdistortion >> 2); 1594 rd2 = RDCOST(x->rdmult, x->rddiv, 0, thissse >> 2); 1595 rd = VPXMIN(rd1, rd2); 1596 if (rd >= best_yrd) return INT64_MAX; 1597 } 1598 } 1599 1600 *distortion = thisdistortion >> 2; 1601 *labelyrate = thisrate; 1602 *sse = thissse >> 2; 1603 1604 return RDCOST(x->rdmult, x->rddiv, *labelyrate, *distortion); 1605 } 1606 1607 typedef struct { 1608 int eobs; 1609 int brate; 1610 int byrate; 1611 int64_t bdist; 1612 int64_t bsse; 1613 int64_t brdcost; 1614 int_mv mvs[2]; 1615 ENTROPY_CONTEXT ta[2]; 1616 ENTROPY_CONTEXT tl[2]; 1617 } SEG_RDSTAT; 1618 1619 typedef struct { 1620 int_mv *ref_mv[2]; 1621 int_mv mvp; 1622 1623 int64_t segment_rd; 1624 int r; 1625 int64_t d; 1626 int64_t sse; 1627 int segment_yrate; 1628 PREDICTION_MODE modes[4]; 1629 SEG_RDSTAT rdstat[4][INTER_MODES]; 1630 int mvthresh; 1631 } BEST_SEG_INFO; 1632 1633 static INLINE int mv_check_bounds(const MvLimits *mv_limits, const MV *mv) { 1634 return (mv->row >> 3) < mv_limits->row_min || 1635 (mv->row >> 3) > mv_limits->row_max || 1636 (mv->col >> 3) < mv_limits->col_min || 1637 (mv->col >> 3) > mv_limits->col_max; 1638 } 1639 1640 static INLINE void mi_buf_shift(MACROBLOCK *x, int i) { 1641 MODE_INFO *const mi = x->e_mbd.mi[0]; 1642 struct macroblock_plane *const p = &x->plane[0]; 1643 struct macroblockd_plane *const pd = &x->e_mbd.plane[0]; 1644 1645 p->src.buf = 1646 &p->src.buf[vp9_raster_block_offset(BLOCK_8X8, i, p->src.stride)]; 1647 assert(((intptr_t)pd->pre[0].buf & 0x7) == 0); 1648 pd->pre[0].buf = 1649 &pd->pre[0].buf[vp9_raster_block_offset(BLOCK_8X8, i, pd->pre[0].stride)]; 1650 if (has_second_ref(mi)) 1651 pd->pre[1].buf = 1652 &pd->pre[1] 1653 .buf[vp9_raster_block_offset(BLOCK_8X8, i, pd->pre[1].stride)]; 1654 } 1655 1656 static INLINE void mi_buf_restore(MACROBLOCK *x, struct buf_2d orig_src, 1657 struct buf_2d orig_pre[2]) { 1658 MODE_INFO *mi = x->e_mbd.mi[0]; 1659 x->plane[0].src = orig_src; 1660 x->e_mbd.plane[0].pre[0] = orig_pre[0]; 1661 if (has_second_ref(mi)) x->e_mbd.plane[0].pre[1] = orig_pre[1]; 1662 } 1663 1664 static INLINE int mv_has_subpel(const MV *mv) { 1665 return (mv->row & 0x0F) || (mv->col & 0x0F); 1666 } 1667 1668 // Check if NEARESTMV/NEARMV/ZEROMV is the cheapest way encode zero motion. 1669 // TODO(aconverse): Find out if this is still productive then clean up or remove 1670 static int check_best_zero_mv(const VP9_COMP *cpi, 1671 const uint8_t mode_context[MAX_REF_FRAMES], 1672 int_mv frame_mv[MB_MODE_COUNT][MAX_REF_FRAMES], 1673 int this_mode, 1674 const MV_REFERENCE_FRAME ref_frames[2]) { 1675 if ((this_mode == NEARMV || this_mode == NEARESTMV || this_mode == ZEROMV) && 1676 frame_mv[this_mode][ref_frames[0]].as_int == 0 && 1677 (ref_frames[1] == NONE || 1678 frame_mv[this_mode][ref_frames[1]].as_int == 0)) { 1679 int rfc = mode_context[ref_frames[0]]; 1680 int c1 = cost_mv_ref(cpi, NEARMV, rfc); 1681 int c2 = cost_mv_ref(cpi, NEARESTMV, rfc); 1682 int c3 = cost_mv_ref(cpi, ZEROMV, rfc); 1683 1684 if (this_mode == NEARMV) { 1685 if (c1 > c3) return 0; 1686 } else if (this_mode == NEARESTMV) { 1687 if (c2 > c3) return 0; 1688 } else { 1689 assert(this_mode == ZEROMV); 1690 if (ref_frames[1] == NONE) { 1691 if ((c3 >= c2 && frame_mv[NEARESTMV][ref_frames[0]].as_int == 0) || 1692 (c3 >= c1 && frame_mv[NEARMV][ref_frames[0]].as_int == 0)) 1693 return 0; 1694 } else { 1695 if ((c3 >= c2 && frame_mv[NEARESTMV][ref_frames[0]].as_int == 0 && 1696 frame_mv[NEARESTMV][ref_frames[1]].as_int == 0) || 1697 (c3 >= c1 && frame_mv[NEARMV][ref_frames[0]].as_int == 0 && 1698 frame_mv[NEARMV][ref_frames[1]].as_int == 0)) 1699 return 0; 1700 } 1701 } 1702 } 1703 return 1; 1704 } 1705 1706 static void joint_motion_search(VP9_COMP *cpi, MACROBLOCK *x, BLOCK_SIZE bsize, 1707 int_mv *frame_mv, int mi_row, int mi_col, 1708 int_mv single_newmv[MAX_REF_FRAMES], 1709 int *rate_mv) { 1710 const VP9_COMMON *const cm = &cpi->common; 1711 const int pw = 4 * num_4x4_blocks_wide_lookup[bsize]; 1712 const int ph = 4 * num_4x4_blocks_high_lookup[bsize]; 1713 MACROBLOCKD *xd = &x->e_mbd; 1714 MODE_INFO *mi = xd->mi[0]; 1715 const int refs[2] = { mi->ref_frame[0], 1716 mi->ref_frame[1] < 0 ? 0 : mi->ref_frame[1] }; 1717 int_mv ref_mv[2]; 1718 int ite, ref; 1719 const InterpKernel *kernel = vp9_filter_kernels[mi->interp_filter]; 1720 struct scale_factors sf; 1721 1722 // Do joint motion search in compound mode to get more accurate mv. 1723 struct buf_2d backup_yv12[2][MAX_MB_PLANE]; 1724 uint32_t last_besterr[2] = { UINT_MAX, UINT_MAX }; 1725 const YV12_BUFFER_CONFIG *const scaled_ref_frame[2] = { 1726 vp9_get_scaled_ref_frame(cpi, mi->ref_frame[0]), 1727 vp9_get_scaled_ref_frame(cpi, mi->ref_frame[1]) 1728 }; 1729 1730 // Prediction buffer from second frame. 1731 #if CONFIG_VP9_HIGHBITDEPTH 1732 DECLARE_ALIGNED(16, uint16_t, second_pred_alloc_16[64 * 64]); 1733 uint8_t *second_pred; 1734 #else 1735 DECLARE_ALIGNED(16, uint8_t, second_pred[64 * 64]); 1736 #endif // CONFIG_VP9_HIGHBITDEPTH 1737 1738 for (ref = 0; ref < 2; ++ref) { 1739 ref_mv[ref] = x->mbmi_ext->ref_mvs[refs[ref]][0]; 1740 1741 if (scaled_ref_frame[ref]) { 1742 int i; 1743 // Swap out the reference frame for a version that's been scaled to 1744 // match the resolution of the current frame, allowing the existing 1745 // motion search code to be used without additional modifications. 1746 for (i = 0; i < MAX_MB_PLANE; i++) 1747 backup_yv12[ref][i] = xd->plane[i].pre[ref]; 1748 vp9_setup_pre_planes(xd, ref, scaled_ref_frame[ref], mi_row, mi_col, 1749 NULL); 1750 } 1751 1752 frame_mv[refs[ref]].as_int = single_newmv[refs[ref]].as_int; 1753 } 1754 1755 // Since we have scaled the reference frames to match the size of the current 1756 // frame we must use a unit scaling factor during mode selection. 1757 #if CONFIG_VP9_HIGHBITDEPTH 1758 vp9_setup_scale_factors_for_frame(&sf, cm->width, cm->height, cm->width, 1759 cm->height, cm->use_highbitdepth); 1760 #else 1761 vp9_setup_scale_factors_for_frame(&sf, cm->width, cm->height, cm->width, 1762 cm->height); 1763 #endif // CONFIG_VP9_HIGHBITDEPTH 1764 1765 // Allow joint search multiple times iteratively for each reference frame 1766 // and break out of the search loop if it couldn't find a better mv. 1767 for (ite = 0; ite < 4; ite++) { 1768 struct buf_2d ref_yv12[2]; 1769 uint32_t bestsme = UINT_MAX; 1770 int sadpb = x->sadperbit16; 1771 MV tmp_mv; 1772 int search_range = 3; 1773 1774 const MvLimits tmp_mv_limits = x->mv_limits; 1775 int id = ite % 2; // Even iterations search in the first reference frame, 1776 // odd iterations search in the second. The predictor 1777 // found for the 'other' reference frame is factored in. 1778 1779 // Initialized here because of compiler problem in Visual Studio. 1780 ref_yv12[0] = xd->plane[0].pre[0]; 1781 ref_yv12[1] = xd->plane[0].pre[1]; 1782 1783 // Get the prediction block from the 'other' reference frame. 1784 #if CONFIG_VP9_HIGHBITDEPTH 1785 if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { 1786 second_pred = CONVERT_TO_BYTEPTR(second_pred_alloc_16); 1787 vp9_highbd_build_inter_predictor( 1788 CONVERT_TO_SHORTPTR(ref_yv12[!id].buf), ref_yv12[!id].stride, 1789 second_pred_alloc_16, pw, &frame_mv[refs[!id]].as_mv, &sf, pw, ph, 0, 1790 kernel, MV_PRECISION_Q3, mi_col * MI_SIZE, mi_row * MI_SIZE, xd->bd); 1791 } else { 1792 second_pred = (uint8_t *)second_pred_alloc_16; 1793 vp9_build_inter_predictor(ref_yv12[!id].buf, ref_yv12[!id].stride, 1794 second_pred, pw, &frame_mv[refs[!id]].as_mv, 1795 &sf, pw, ph, 0, kernel, MV_PRECISION_Q3, 1796 mi_col * MI_SIZE, mi_row * MI_SIZE); 1797 } 1798 #else 1799 vp9_build_inter_predictor(ref_yv12[!id].buf, ref_yv12[!id].stride, 1800 second_pred, pw, &frame_mv[refs[!id]].as_mv, &sf, 1801 pw, ph, 0, kernel, MV_PRECISION_Q3, 1802 mi_col * MI_SIZE, mi_row * MI_SIZE); 1803 #endif // CONFIG_VP9_HIGHBITDEPTH 1804 1805 // Do compound motion search on the current reference frame. 1806 if (id) xd->plane[0].pre[0] = ref_yv12[id]; 1807 vp9_set_mv_search_range(&x->mv_limits, &ref_mv[id].as_mv); 1808 1809 // Use the mv result from the single mode as mv predictor. 1810 tmp_mv = frame_mv[refs[id]].as_mv; 1811 1812 tmp_mv.col >>= 3; 1813 tmp_mv.row >>= 3; 1814 1815 // Small-range full-pixel motion search. 1816 bestsme = vp9_refining_search_8p_c(x, &tmp_mv, sadpb, search_range, 1817 &cpi->fn_ptr[bsize], &ref_mv[id].as_mv, 1818 second_pred); 1819 if (bestsme < UINT_MAX) 1820 bestsme = vp9_get_mvpred_av_var(x, &tmp_mv, &ref_mv[id].as_mv, 1821 second_pred, &cpi->fn_ptr[bsize], 1); 1822 1823 x->mv_limits = tmp_mv_limits; 1824 1825 if (bestsme < UINT_MAX) { 1826 uint32_t dis; /* TODO: use dis in distortion calculation later. */ 1827 uint32_t sse; 1828 bestsme = cpi->find_fractional_mv_step( 1829 x, &tmp_mv, &ref_mv[id].as_mv, cpi->common.allow_high_precision_mv, 1830 x->errorperbit, &cpi->fn_ptr[bsize], 0, 1831 cpi->sf.mv.subpel_iters_per_step, NULL, x->nmvjointcost, x->mvcost, 1832 &dis, &sse, second_pred, pw, ph); 1833 } 1834 1835 // Restore the pointer to the first (possibly scaled) prediction buffer. 1836 if (id) xd->plane[0].pre[0] = ref_yv12[0]; 1837 1838 if (bestsme < last_besterr[id]) { 1839 frame_mv[refs[id]].as_mv = tmp_mv; 1840 last_besterr[id] = bestsme; 1841 } else { 1842 break; 1843 } 1844 } 1845 1846 *rate_mv = 0; 1847 1848 for (ref = 0; ref < 2; ++ref) { 1849 if (scaled_ref_frame[ref]) { 1850 // Restore the prediction frame pointers to their unscaled versions. 1851 int i; 1852 for (i = 0; i < MAX_MB_PLANE; i++) 1853 xd->plane[i].pre[ref] = backup_yv12[ref][i]; 1854 } 1855 1856 *rate_mv += vp9_mv_bit_cost(&frame_mv[refs[ref]].as_mv, 1857 &x->mbmi_ext->ref_mvs[refs[ref]][0].as_mv, 1858 x->nmvjointcost, x->mvcost, MV_COST_WEIGHT); 1859 } 1860 } 1861 1862 static int64_t rd_pick_best_sub8x8_mode( 1863 VP9_COMP *cpi, MACROBLOCK *x, int_mv *best_ref_mv, 1864 int_mv *second_best_ref_mv, int64_t best_rd, int *returntotrate, 1865 int *returnyrate, int64_t *returndistortion, int *skippable, int64_t *psse, 1866 int mvthresh, int_mv seg_mvs[4][MAX_REF_FRAMES], BEST_SEG_INFO *bsi_buf, 1867 int filter_idx, int mi_row, int mi_col) { 1868 int i; 1869 BEST_SEG_INFO *bsi = bsi_buf + filter_idx; 1870 MACROBLOCKD *xd = &x->e_mbd; 1871 MODE_INFO *mi = xd->mi[0]; 1872 int mode_idx; 1873 int k, br = 0, idx, idy; 1874 int64_t bd = 0, block_sse = 0; 1875 PREDICTION_MODE this_mode; 1876 VP9_COMMON *cm = &cpi->common; 1877 struct macroblock_plane *const p = &x->plane[0]; 1878 struct macroblockd_plane *const pd = &xd->plane[0]; 1879 const int label_count = 4; 1880 int64_t this_segment_rd = 0; 1881 int label_mv_thresh; 1882 int segmentyrate = 0; 1883 const BLOCK_SIZE bsize = mi->sb_type; 1884 const int num_4x4_blocks_wide = num_4x4_blocks_wide_lookup[bsize]; 1885 const int num_4x4_blocks_high = num_4x4_blocks_high_lookup[bsize]; 1886 ENTROPY_CONTEXT t_above[2], t_left[2]; 1887 int subpelmv = 1, have_ref = 0; 1888 SPEED_FEATURES *const sf = &cpi->sf; 1889 const int has_second_rf = has_second_ref(mi); 1890 const int inter_mode_mask = sf->inter_mode_mask[bsize]; 1891 MB_MODE_INFO_EXT *const mbmi_ext = x->mbmi_ext; 1892 1893 vp9_zero(*bsi); 1894 1895 bsi->segment_rd = best_rd; 1896 bsi->ref_mv[0] = best_ref_mv; 1897 bsi->ref_mv[1] = second_best_ref_mv; 1898 bsi->mvp.as_int = best_ref_mv->as_int; 1899 bsi->mvthresh = mvthresh; 1900 1901 for (i = 0; i < 4; i++) bsi->modes[i] = ZEROMV; 1902 1903 memcpy(t_above, pd->above_context, sizeof(t_above)); 1904 memcpy(t_left, pd->left_context, sizeof(t_left)); 1905 1906 // 64 makes this threshold really big effectively 1907 // making it so that we very rarely check mvs on 1908 // segments. setting this to 1 would make mv thresh 1909 // roughly equal to what it is for macroblocks 1910 label_mv_thresh = 1 * bsi->mvthresh / label_count; 1911 1912 // Segmentation method overheads 1913 for (idy = 0; idy < 2; idy += num_4x4_blocks_high) { 1914 for (idx = 0; idx < 2; idx += num_4x4_blocks_wide) { 1915 // TODO(jingning,rbultje): rewrite the rate-distortion optimization 1916 // loop for 4x4/4x8/8x4 block coding. to be replaced with new rd loop 1917 int_mv mode_mv[MB_MODE_COUNT][2]; 1918 int_mv frame_mv[MB_MODE_COUNT][MAX_REF_FRAMES]; 1919 PREDICTION_MODE mode_selected = ZEROMV; 1920 int64_t best_rd = INT64_MAX; 1921 const int i = idy * 2 + idx; 1922 int ref; 1923 1924 for (ref = 0; ref < 1 + has_second_rf; ++ref) { 1925 const MV_REFERENCE_FRAME frame = mi->ref_frame[ref]; 1926 frame_mv[ZEROMV][frame].as_int = 0; 1927 vp9_append_sub8x8_mvs_for_idx( 1928 cm, xd, i, ref, mi_row, mi_col, &frame_mv[NEARESTMV][frame], 1929 &frame_mv[NEARMV][frame], mbmi_ext->mode_context); 1930 } 1931 1932 // search for the best motion vector on this segment 1933 for (this_mode = NEARESTMV; this_mode <= NEWMV; ++this_mode) { 1934 const struct buf_2d orig_src = x->plane[0].src; 1935 struct buf_2d orig_pre[2]; 1936 1937 mode_idx = INTER_OFFSET(this_mode); 1938 bsi->rdstat[i][mode_idx].brdcost = INT64_MAX; 1939 if (!(inter_mode_mask & (1 << this_mode))) continue; 1940 1941 if (!check_best_zero_mv(cpi, mbmi_ext->mode_context, frame_mv, 1942 this_mode, mi->ref_frame)) 1943 continue; 1944 1945 memcpy(orig_pre, pd->pre, sizeof(orig_pre)); 1946 memcpy(bsi->rdstat[i][mode_idx].ta, t_above, 1947 sizeof(bsi->rdstat[i][mode_idx].ta)); 1948 memcpy(bsi->rdstat[i][mode_idx].tl, t_left, 1949 sizeof(bsi->rdstat[i][mode_idx].tl)); 1950 1951 // motion search for newmv (single predictor case only) 1952 if (!has_second_rf && this_mode == NEWMV && 1953 seg_mvs[i][mi->ref_frame[0]].as_int == INVALID_MV) { 1954 MV *const new_mv = &mode_mv[NEWMV][0].as_mv; 1955 int step_param = 0; 1956 uint32_t bestsme = UINT_MAX; 1957 int sadpb = x->sadperbit4; 1958 MV mvp_full; 1959 int max_mv; 1960 int cost_list[5]; 1961 const MvLimits tmp_mv_limits = x->mv_limits; 1962 1963 /* Is the best so far sufficiently good that we cant justify doing 1964 * and new motion search. */ 1965 if (best_rd < label_mv_thresh) break; 1966 1967 if (cpi->oxcf.mode != BEST) { 1968 // use previous block's result as next block's MV predictor. 1969 if (i > 0) { 1970 bsi->mvp.as_int = mi->bmi[i - 1].as_mv[0].as_int; 1971 if (i == 2) bsi->mvp.as_int = mi->bmi[i - 2].as_mv[0].as_int; 1972 } 1973 } 1974 if (i == 0) 1975 max_mv = x->max_mv_context[mi->ref_frame[0]]; 1976 else 1977 max_mv = 1978 VPXMAX(abs(bsi->mvp.as_mv.row), abs(bsi->mvp.as_mv.col)) >> 3; 1979 1980 if (sf->mv.auto_mv_step_size && cm->show_frame) { 1981 // Take wtd average of the step_params based on the last frame's 1982 // max mv magnitude and the best ref mvs of the current block for 1983 // the given reference. 1984 step_param = 1985 (vp9_init_search_range(max_mv) + cpi->mv_step_param) / 2; 1986 } else { 1987 step_param = cpi->mv_step_param; 1988 } 1989 1990 mvp_full.row = bsi->mvp.as_mv.row >> 3; 1991 mvp_full.col = bsi->mvp.as_mv.col >> 3; 1992 1993 if (sf->adaptive_motion_search) { 1994 mvp_full.row = x->pred_mv[mi->ref_frame[0]].row >> 3; 1995 mvp_full.col = x->pred_mv[mi->ref_frame[0]].col >> 3; 1996 step_param = VPXMAX(step_param, 8); 1997 } 1998 1999 // adjust src pointer for this block 2000 mi_buf_shift(x, i); 2001 2002 vp9_set_mv_search_range(&x->mv_limits, &bsi->ref_mv[0]->as_mv); 2003 2004 bestsme = vp9_full_pixel_search( 2005 cpi, x, bsize, &mvp_full, step_param, cpi->sf.mv.search_method, 2006 sadpb, 2007 sf->mv.subpel_search_method != SUBPEL_TREE ? cost_list : NULL, 2008 &bsi->ref_mv[0]->as_mv, new_mv, INT_MAX, 1); 2009 2010 x->mv_limits = tmp_mv_limits; 2011 2012 if (bestsme < UINT_MAX) { 2013 uint32_t distortion; 2014 cpi->find_fractional_mv_step( 2015 x, new_mv, &bsi->ref_mv[0]->as_mv, cm->allow_high_precision_mv, 2016 x->errorperbit, &cpi->fn_ptr[bsize], sf->mv.subpel_force_stop, 2017 sf->mv.subpel_iters_per_step, cond_cost_list(cpi, cost_list), 2018 x->nmvjointcost, x->mvcost, &distortion, 2019 &x->pred_sse[mi->ref_frame[0]], NULL, 0, 0); 2020 2021 // save motion search result for use in compound prediction 2022 seg_mvs[i][mi->ref_frame[0]].as_mv = *new_mv; 2023 } 2024 2025 if (sf->adaptive_motion_search) 2026 x->pred_mv[mi->ref_frame[0]] = *new_mv; 2027 2028 // restore src pointers 2029 mi_buf_restore(x, orig_src, orig_pre); 2030 } 2031 2032 if (has_second_rf) { 2033 if (seg_mvs[i][mi->ref_frame[1]].as_int == INVALID_MV || 2034 seg_mvs[i][mi->ref_frame[0]].as_int == INVALID_MV) 2035 continue; 2036 } 2037 2038 if (has_second_rf && this_mode == NEWMV && 2039 mi->interp_filter == EIGHTTAP) { 2040 // adjust src pointers 2041 mi_buf_shift(x, i); 2042 if (sf->comp_inter_joint_search_thresh <= bsize) { 2043 int rate_mv; 2044 joint_motion_search(cpi, x, bsize, frame_mv[this_mode], mi_row, 2045 mi_col, seg_mvs[i], &rate_mv); 2046 seg_mvs[i][mi->ref_frame[0]].as_int = 2047 frame_mv[this_mode][mi->ref_frame[0]].as_int; 2048 seg_mvs[i][mi->ref_frame[1]].as_int = 2049 frame_mv[this_mode][mi->ref_frame[1]].as_int; 2050 } 2051 // restore src pointers 2052 mi_buf_restore(x, orig_src, orig_pre); 2053 } 2054 2055 bsi->rdstat[i][mode_idx].brate = set_and_cost_bmi_mvs( 2056 cpi, x, xd, i, this_mode, mode_mv[this_mode], frame_mv, seg_mvs[i], 2057 bsi->ref_mv, x->nmvjointcost, x->mvcost); 2058 2059 for (ref = 0; ref < 1 + has_second_rf; ++ref) { 2060 bsi->rdstat[i][mode_idx].mvs[ref].as_int = 2061 mode_mv[this_mode][ref].as_int; 2062 if (num_4x4_blocks_wide > 1) 2063 bsi->rdstat[i + 1][mode_idx].mvs[ref].as_int = 2064 mode_mv[this_mode][ref].as_int; 2065 if (num_4x4_blocks_high > 1) 2066 bsi->rdstat[i + 2][mode_idx].mvs[ref].as_int = 2067 mode_mv[this_mode][ref].as_int; 2068 } 2069 2070 // Trap vectors that reach beyond the UMV borders 2071 if (mv_check_bounds(&x->mv_limits, &mode_mv[this_mode][0].as_mv) || 2072 (has_second_rf && 2073 mv_check_bounds(&x->mv_limits, &mode_mv[this_mode][1].as_mv))) 2074 continue; 2075 2076 if (filter_idx > 0) { 2077 BEST_SEG_INFO *ref_bsi = bsi_buf; 2078 subpelmv = 0; 2079 have_ref = 1; 2080 2081 for (ref = 0; ref < 1 + has_second_rf; ++ref) { 2082 subpelmv |= mv_has_subpel(&mode_mv[this_mode][ref].as_mv); 2083 have_ref &= mode_mv[this_mode][ref].as_int == 2084 ref_bsi->rdstat[i][mode_idx].mvs[ref].as_int; 2085 } 2086 2087 if (filter_idx > 1 && !subpelmv && !have_ref) { 2088 ref_bsi = bsi_buf + 1; 2089 have_ref = 1; 2090 for (ref = 0; ref < 1 + has_second_rf; ++ref) 2091 have_ref &= mode_mv[this_mode][ref].as_int == 2092 ref_bsi->rdstat[i][mode_idx].mvs[ref].as_int; 2093 } 2094 2095 if (!subpelmv && have_ref && 2096 ref_bsi->rdstat[i][mode_idx].brdcost < INT64_MAX) { 2097 memcpy(&bsi->rdstat[i][mode_idx], &ref_bsi->rdstat[i][mode_idx], 2098 sizeof(SEG_RDSTAT)); 2099 if (num_4x4_blocks_wide > 1) 2100 bsi->rdstat[i + 1][mode_idx].eobs = 2101 ref_bsi->rdstat[i + 1][mode_idx].eobs; 2102 if (num_4x4_blocks_high > 1) 2103 bsi->rdstat[i + 2][mode_idx].eobs = 2104 ref_bsi->rdstat[i + 2][mode_idx].eobs; 2105 2106 if (bsi->rdstat[i][mode_idx].brdcost < best_rd) { 2107 mode_selected = this_mode; 2108 best_rd = bsi->rdstat[i][mode_idx].brdcost; 2109 } 2110 continue; 2111 } 2112 } 2113 2114 bsi->rdstat[i][mode_idx].brdcost = encode_inter_mb_segment( 2115 cpi, x, bsi->segment_rd - this_segment_rd, i, 2116 &bsi->rdstat[i][mode_idx].byrate, &bsi->rdstat[i][mode_idx].bdist, 2117 &bsi->rdstat[i][mode_idx].bsse, bsi->rdstat[i][mode_idx].ta, 2118 bsi->rdstat[i][mode_idx].tl, mi_row, mi_col); 2119 if (bsi->rdstat[i][mode_idx].brdcost < INT64_MAX) { 2120 bsi->rdstat[i][mode_idx].brdcost += 2121 RDCOST(x->rdmult, x->rddiv, bsi->rdstat[i][mode_idx].brate, 0); 2122 bsi->rdstat[i][mode_idx].brate += bsi->rdstat[i][mode_idx].byrate; 2123 bsi->rdstat[i][mode_idx].eobs = p->eobs[i]; 2124 if (num_4x4_blocks_wide > 1) 2125 bsi->rdstat[i + 1][mode_idx].eobs = p->eobs[i + 1]; 2126 if (num_4x4_blocks_high > 1) 2127 bsi->rdstat[i + 2][mode_idx].eobs = p->eobs[i + 2]; 2128 } 2129 2130 if (bsi->rdstat[i][mode_idx].brdcost < best_rd) { 2131 mode_selected = this_mode; 2132 best_rd = bsi->rdstat[i][mode_idx].brdcost; 2133 } 2134 } /*for each 4x4 mode*/ 2135 2136 if (best_rd == INT64_MAX) { 2137 int iy, midx; 2138 for (iy = i + 1; iy < 4; ++iy) 2139 for (midx = 0; midx < INTER_MODES; ++midx) 2140 bsi->rdstat[iy][midx].brdcost = INT64_MAX; 2141 bsi->segment_rd = INT64_MAX; 2142 return INT64_MAX; 2143 } 2144 2145 mode_idx = INTER_OFFSET(mode_selected); 2146 memcpy(t_above, bsi->rdstat[i][mode_idx].ta, sizeof(t_above)); 2147 memcpy(t_left, bsi->rdstat[i][mode_idx].tl, sizeof(t_left)); 2148 2149 set_and_cost_bmi_mvs(cpi, x, xd, i, mode_selected, mode_mv[mode_selected], 2150 frame_mv, seg_mvs[i], bsi->ref_mv, x->nmvjointcost, 2151 x->mvcost); 2152 2153 br += bsi->rdstat[i][mode_idx].brate; 2154 bd += bsi->rdstat[i][mode_idx].bdist; 2155 block_sse += bsi->rdstat[i][mode_idx].bsse; 2156 segmentyrate += bsi->rdstat[i][mode_idx].byrate; 2157 this_segment_rd += bsi->rdstat[i][mode_idx].brdcost; 2158 2159 if (this_segment_rd > bsi->segment_rd) { 2160 int iy, midx; 2161 for (iy = i + 1; iy < 4; ++iy) 2162 for (midx = 0; midx < INTER_MODES; ++midx) 2163 bsi->rdstat[iy][midx].brdcost = INT64_MAX; 2164 bsi->segment_rd = INT64_MAX; 2165 return INT64_MAX; 2166 } 2167 } 2168 } /* for each label */ 2169 2170 bsi->r = br; 2171 bsi->d = bd; 2172 bsi->segment_yrate = segmentyrate; 2173 bsi->segment_rd = this_segment_rd; 2174 bsi->sse = block_sse; 2175 2176 // update the coding decisions 2177 for (k = 0; k < 4; ++k) bsi->modes[k] = mi->bmi[k].as_mode; 2178 2179 if (bsi->segment_rd > best_rd) return INT64_MAX; 2180 /* set it to the best */ 2181 for (i = 0; i < 4; i++) { 2182 mode_idx = INTER_OFFSET(bsi->modes[i]); 2183 mi->bmi[i].as_mv[0].as_int = bsi->rdstat[i][mode_idx].mvs[0].as_int; 2184 if (has_second_ref(mi)) 2185 mi->bmi[i].as_mv[1].as_int = bsi->rdstat[i][mode_idx].mvs[1].as_int; 2186 x->plane[0].eobs[i] = bsi->rdstat[i][mode_idx].eobs; 2187 mi->bmi[i].as_mode = bsi->modes[i]; 2188 } 2189 2190 /* 2191 * used to set mbmi->mv.as_int 2192 */ 2193 *returntotrate = bsi->r; 2194 *returndistortion = bsi->d; 2195 *returnyrate = bsi->segment_yrate; 2196 *skippable = vp9_is_skippable_in_plane(x, BLOCK_8X8, 0); 2197 *psse = bsi->sse; 2198 mi->mode = bsi->modes[3]; 2199 2200 return bsi->segment_rd; 2201 } 2202 2203 static void estimate_ref_frame_costs(const VP9_COMMON *cm, 2204 const MACROBLOCKD *xd, int segment_id, 2205 unsigned int *ref_costs_single, 2206 unsigned int *ref_costs_comp, 2207 vpx_prob *comp_mode_p) { 2208 int seg_ref_active = 2209 segfeature_active(&cm->seg, segment_id, SEG_LVL_REF_FRAME); 2210 if (seg_ref_active) { 2211 memset(ref_costs_single, 0, MAX_REF_FRAMES * sizeof(*ref_costs_single)); 2212 memset(ref_costs_comp, 0, MAX_REF_FRAMES * sizeof(*ref_costs_comp)); 2213 *comp_mode_p = 128; 2214 } else { 2215 vpx_prob intra_inter_p = vp9_get_intra_inter_prob(cm, xd); 2216 vpx_prob comp_inter_p = 128; 2217 2218 if (cm->reference_mode == REFERENCE_MODE_SELECT) { 2219 comp_inter_p = vp9_get_reference_mode_prob(cm, xd); 2220 *comp_mode_p = comp_inter_p; 2221 } else { 2222 *comp_mode_p = 128; 2223 } 2224 2225 ref_costs_single[INTRA_FRAME] = vp9_cost_bit(intra_inter_p, 0); 2226 2227 if (cm->reference_mode != COMPOUND_REFERENCE) { 2228 vpx_prob ref_single_p1 = vp9_get_pred_prob_single_ref_p1(cm, xd); 2229 vpx_prob ref_single_p2 = vp9_get_pred_prob_single_ref_p2(cm, xd); 2230 unsigned int base_cost = vp9_cost_bit(intra_inter_p, 1); 2231 2232 if (cm->reference_mode == REFERENCE_MODE_SELECT) 2233 base_cost += vp9_cost_bit(comp_inter_p, 0); 2234 2235 ref_costs_single[LAST_FRAME] = ref_costs_single[GOLDEN_FRAME] = 2236 ref_costs_single[ALTREF_FRAME] = base_cost; 2237 ref_costs_single[LAST_FRAME] += vp9_cost_bit(ref_single_p1, 0); 2238 ref_costs_single[GOLDEN_FRAME] += vp9_cost_bit(ref_single_p1, 1); 2239 ref_costs_single[ALTREF_FRAME] += vp9_cost_bit(ref_single_p1, 1); 2240 ref_costs_single[GOLDEN_FRAME] += vp9_cost_bit(ref_single_p2, 0); 2241 ref_costs_single[ALTREF_FRAME] += vp9_cost_bit(ref_single_p2, 1); 2242 } else { 2243 ref_costs_single[LAST_FRAME] = 512; 2244 ref_costs_single[GOLDEN_FRAME] = 512; 2245 ref_costs_single[ALTREF_FRAME] = 512; 2246 } 2247 if (cm->reference_mode != SINGLE_REFERENCE) { 2248 vpx_prob ref_comp_p = vp9_get_pred_prob_comp_ref_p(cm, xd); 2249 unsigned int base_cost = vp9_cost_bit(intra_inter_p, 1); 2250 2251 if (cm->reference_mode == REFERENCE_MODE_SELECT) 2252 base_cost += vp9_cost_bit(comp_inter_p, 1); 2253 2254 ref_costs_comp[LAST_FRAME] = base_cost + vp9_cost_bit(ref_comp_p, 0); 2255 ref_costs_comp[GOLDEN_FRAME] = base_cost + vp9_cost_bit(ref_comp_p, 1); 2256 } else { 2257 ref_costs_comp[LAST_FRAME] = 512; 2258 ref_costs_comp[GOLDEN_FRAME] = 512; 2259 } 2260 } 2261 } 2262 2263 static void store_coding_context( 2264 MACROBLOCK *x, PICK_MODE_CONTEXT *ctx, int mode_index, 2265 int64_t comp_pred_diff[REFERENCE_MODES], 2266 int64_t best_filter_diff[SWITCHABLE_FILTER_CONTEXTS], int skippable) { 2267 MACROBLOCKD *const xd = &x->e_mbd; 2268 2269 // Take a snapshot of the coding context so it can be 2270 // restored if we decide to encode this way 2271 ctx->skip = x->skip; 2272 ctx->skippable = skippable; 2273 ctx->best_mode_index = mode_index; 2274 ctx->mic = *xd->mi[0]; 2275 ctx->mbmi_ext = *x->mbmi_ext; 2276 ctx->single_pred_diff = (int)comp_pred_diff[SINGLE_REFERENCE]; 2277 ctx->comp_pred_diff = (int)comp_pred_diff[COMPOUND_REFERENCE]; 2278 ctx->hybrid_pred_diff = (int)comp_pred_diff[REFERENCE_MODE_SELECT]; 2279 2280 memcpy(ctx->best_filter_diff, best_filter_diff, 2281 sizeof(*best_filter_diff) * SWITCHABLE_FILTER_CONTEXTS); 2282 } 2283 2284 static void setup_buffer_inter(VP9_COMP *cpi, MACROBLOCK *x, 2285 MV_REFERENCE_FRAME ref_frame, 2286 BLOCK_SIZE block_size, int mi_row, int mi_col, 2287 int_mv frame_nearest_mv[MAX_REF_FRAMES], 2288 int_mv frame_near_mv[MAX_REF_FRAMES], 2289 struct buf_2d yv12_mb[4][MAX_MB_PLANE]) { 2290 const VP9_COMMON *cm = &cpi->common; 2291 const YV12_BUFFER_CONFIG *yv12 = get_ref_frame_buffer(cpi, ref_frame); 2292 MACROBLOCKD *const xd = &x->e_mbd; 2293 MODE_INFO *const mi = xd->mi[0]; 2294 int_mv *const candidates = x->mbmi_ext->ref_mvs[ref_frame]; 2295 const struct scale_factors *const sf = &cm->frame_refs[ref_frame - 1].sf; 2296 MB_MODE_INFO_EXT *const mbmi_ext = x->mbmi_ext; 2297 2298 assert(yv12 != NULL); 2299 2300 // TODO(jkoleszar): Is the UV buffer ever used here? If so, need to make this 2301 // use the UV scaling factors. 2302 vp9_setup_pred_block(xd, yv12_mb[ref_frame], yv12, mi_row, mi_col, sf, sf); 2303 2304 // Gets an initial list of candidate vectors from neighbours and orders them 2305 vp9_find_mv_refs(cm, xd, mi, ref_frame, candidates, mi_row, mi_col, 2306 mbmi_ext->mode_context); 2307 2308 // Candidate refinement carried out at encoder and decoder 2309 vp9_find_best_ref_mvs(xd, cm->allow_high_precision_mv, candidates, 2310 &frame_nearest_mv[ref_frame], 2311 &frame_near_mv[ref_frame]); 2312 2313 // Further refinement that is encode side only to test the top few candidates 2314 // in full and choose the best as the centre point for subsequent searches. 2315 // The current implementation doesn't support scaling. 2316 if (!vp9_is_scaled(sf) && block_size >= BLOCK_8X8) 2317 vp9_mv_pred(cpi, x, yv12_mb[ref_frame][0].buf, yv12->y_stride, ref_frame, 2318 block_size); 2319 } 2320 2321 static void single_motion_search(VP9_COMP *cpi, MACROBLOCK *x, BLOCK_SIZE bsize, 2322 int mi_row, int mi_col, int_mv *tmp_mv, 2323 int *rate_mv) { 2324 MACROBLOCKD *xd = &x->e_mbd; 2325 const VP9_COMMON *cm = &cpi->common; 2326 MODE_INFO *mi = xd->mi[0]; 2327 struct buf_2d backup_yv12[MAX_MB_PLANE] = { { 0, 0 } }; 2328 int bestsme = INT_MAX; 2329 int step_param; 2330 int sadpb = x->sadperbit16; 2331 MV mvp_full; 2332 int ref = mi->ref_frame[0]; 2333 MV ref_mv = x->mbmi_ext->ref_mvs[ref][0].as_mv; 2334 const MvLimits tmp_mv_limits = x->mv_limits; 2335 int cost_list[5]; 2336 2337 const YV12_BUFFER_CONFIG *scaled_ref_frame = 2338 vp9_get_scaled_ref_frame(cpi, ref); 2339 2340 MV pred_mv[3]; 2341 pred_mv[0] = x->mbmi_ext->ref_mvs[ref][0].as_mv; 2342 pred_mv[1] = x->mbmi_ext->ref_mvs[ref][1].as_mv; 2343 pred_mv[2] = x->pred_mv[ref]; 2344 2345 if (scaled_ref_frame) { 2346 int i; 2347 // Swap out the reference frame for a version that's been scaled to 2348 // match the resolution of the current frame, allowing the existing 2349 // motion search code to be used without additional modifications. 2350 for (i = 0; i < MAX_MB_PLANE; i++) backup_yv12[i] = xd->plane[i].pre[0]; 2351 2352 vp9_setup_pre_planes(xd, 0, scaled_ref_frame, mi_row, mi_col, NULL); 2353 } 2354 2355 // Work out the size of the first step in the mv step search. 2356 // 0 here is maximum length first step. 1 is VPXMAX >> 1 etc. 2357 if (cpi->sf.mv.auto_mv_step_size && cm->show_frame) { 2358 // Take wtd average of the step_params based on the last frame's 2359 // max mv magnitude and that based on the best ref mvs of the current 2360 // block for the given reference. 2361 step_param = 2362 (vp9_init_search_range(x->max_mv_context[ref]) + cpi->mv_step_param) / 2363 2; 2364 } else { 2365 step_param = cpi->mv_step_param; 2366 } 2367 2368 if (cpi->sf.adaptive_motion_search && bsize < BLOCK_64X64) { 2369 int boffset = 2370 2 * (b_width_log2_lookup[BLOCK_64X64] - 2371 VPXMIN(b_height_log2_lookup[bsize], b_width_log2_lookup[bsize])); 2372 step_param = VPXMAX(step_param, boffset); 2373 } 2374 2375 if (cpi->sf.adaptive_motion_search) { 2376 int bwl = b_width_log2_lookup[bsize]; 2377 int bhl = b_height_log2_lookup[bsize]; 2378 int tlevel = x->pred_mv_sad[ref] >> (bwl + bhl + 4); 2379 2380 if (tlevel < 5) step_param += 2; 2381 2382 // prev_mv_sad is not setup for dynamically scaled frames. 2383 if (cpi->oxcf.resize_mode != RESIZE_DYNAMIC) { 2384 int i; 2385 for (i = LAST_FRAME; i <= ALTREF_FRAME && cm->show_frame; ++i) { 2386 if ((x->pred_mv_sad[ref] >> 3) > x->pred_mv_sad[i]) { 2387 x->pred_mv[ref].row = 0; 2388 x->pred_mv[ref].col = 0; 2389 tmp_mv->as_int = INVALID_MV; 2390 2391 if (scaled_ref_frame) { 2392 int i; 2393 for (i = 0; i < MAX_MB_PLANE; ++i) 2394 xd->plane[i].pre[0] = backup_yv12[i]; 2395 } 2396 return; 2397 } 2398 } 2399 } 2400 } 2401 2402 // Note: MV limits are modified here. Always restore the original values 2403 // after full-pixel motion search. 2404 vp9_set_mv_search_range(&x->mv_limits, &ref_mv); 2405 2406 mvp_full = pred_mv[x->mv_best_ref_index[ref]]; 2407 2408 mvp_full.col >>= 3; 2409 mvp_full.row >>= 3; 2410 2411 bestsme = vp9_full_pixel_search( 2412 cpi, x, bsize, &mvp_full, step_param, cpi->sf.mv.search_method, sadpb, 2413 cond_cost_list(cpi, cost_list), &ref_mv, &tmp_mv->as_mv, INT_MAX, 1); 2414 2415 x->mv_limits = tmp_mv_limits; 2416 2417 if (bestsme < INT_MAX) { 2418 uint32_t dis; /* TODO: use dis in distortion calculation later. */ 2419 cpi->find_fractional_mv_step( 2420 x, &tmp_mv->as_mv, &ref_mv, cm->allow_high_precision_mv, x->errorperbit, 2421 &cpi->fn_ptr[bsize], cpi->sf.mv.subpel_force_stop, 2422 cpi->sf.mv.subpel_iters_per_step, cond_cost_list(cpi, cost_list), 2423 x->nmvjointcost, x->mvcost, &dis, &x->pred_sse[ref], NULL, 0, 0); 2424 } 2425 *rate_mv = vp9_mv_bit_cost(&tmp_mv->as_mv, &ref_mv, x->nmvjointcost, 2426 x->mvcost, MV_COST_WEIGHT); 2427 2428 if (cpi->sf.adaptive_motion_search) x->pred_mv[ref] = tmp_mv->as_mv; 2429 2430 if (scaled_ref_frame) { 2431 int i; 2432 for (i = 0; i < MAX_MB_PLANE; i++) xd->plane[i].pre[0] = backup_yv12[i]; 2433 } 2434 } 2435 2436 static INLINE void restore_dst_buf(MACROBLOCKD *xd, 2437 uint8_t *orig_dst[MAX_MB_PLANE], 2438 int orig_dst_stride[MAX_MB_PLANE]) { 2439 int i; 2440 for (i = 0; i < MAX_MB_PLANE; i++) { 2441 xd->plane[i].dst.buf = orig_dst[i]; 2442 xd->plane[i].dst.stride = orig_dst_stride[i]; 2443 } 2444 } 2445 2446 // In some situations we want to discount tha pparent cost of a new motion 2447 // vector. Where there is a subtle motion field and especially where there is 2448 // low spatial complexity then it can be hard to cover the cost of a new motion 2449 // vector in a single block, even if that motion vector reduces distortion. 2450 // However, once established that vector may be usable through the nearest and 2451 // near mv modes to reduce distortion in subsequent blocks and also improve 2452 // visual quality. 2453 static int discount_newmv_test(const VP9_COMP *cpi, int this_mode, 2454 int_mv this_mv, 2455 int_mv (*mode_mv)[MAX_REF_FRAMES], 2456 int ref_frame) { 2457 return (!cpi->rc.is_src_frame_alt_ref && (this_mode == NEWMV) && 2458 (this_mv.as_int != 0) && 2459 ((mode_mv[NEARESTMV][ref_frame].as_int == 0) || 2460 (mode_mv[NEARESTMV][ref_frame].as_int == INVALID_MV)) && 2461 ((mode_mv[NEARMV][ref_frame].as_int == 0) || 2462 (mode_mv[NEARMV][ref_frame].as_int == INVALID_MV))); 2463 } 2464 2465 static int64_t handle_inter_mode( 2466 VP9_COMP *cpi, MACROBLOCK *x, BLOCK_SIZE bsize, int *rate2, 2467 int64_t *distortion, int *skippable, int *rate_y, int *rate_uv, 2468 int *disable_skip, int_mv (*mode_mv)[MAX_REF_FRAMES], int mi_row, 2469 int mi_col, int_mv single_newmv[MAX_REF_FRAMES], 2470 INTERP_FILTER (*single_filter)[MAX_REF_FRAMES], 2471 int (*single_skippable)[MAX_REF_FRAMES], int64_t *psse, 2472 const int64_t ref_best_rd, int64_t *mask_filter, int64_t filter_cache[]) { 2473 VP9_COMMON *cm = &cpi->common; 2474 MACROBLOCKD *xd = &x->e_mbd; 2475 MODE_INFO *mi = xd->mi[0]; 2476 MB_MODE_INFO_EXT *const mbmi_ext = x->mbmi_ext; 2477 const int is_comp_pred = has_second_ref(mi); 2478 const int this_mode = mi->mode; 2479 int_mv *frame_mv = mode_mv[this_mode]; 2480 int i; 2481 int refs[2] = { mi->ref_frame[0], 2482 (mi->ref_frame[1] < 0 ? 0 : mi->ref_frame[1]) }; 2483 int_mv cur_mv[2]; 2484 #if CONFIG_VP9_HIGHBITDEPTH 2485 DECLARE_ALIGNED(16, uint16_t, tmp_buf16[MAX_MB_PLANE * 64 * 64]); 2486 uint8_t *tmp_buf; 2487 #else 2488 DECLARE_ALIGNED(16, uint8_t, tmp_buf[MAX_MB_PLANE * 64 * 64]); 2489 #endif // CONFIG_VP9_HIGHBITDEPTH 2490 int pred_exists = 0; 2491 int intpel_mv; 2492 int64_t rd, tmp_rd, best_rd = INT64_MAX; 2493 int best_needs_copy = 0; 2494 uint8_t *orig_dst[MAX_MB_PLANE]; 2495 int orig_dst_stride[MAX_MB_PLANE]; 2496 int rs = 0; 2497 INTERP_FILTER best_filter = SWITCHABLE; 2498 uint8_t skip_txfm[MAX_MB_PLANE << 2] = { 0 }; 2499 int64_t bsse[MAX_MB_PLANE << 2] = { 0 }; 2500 2501 int bsl = mi_width_log2_lookup[bsize]; 2502 int pred_filter_search = 2503 cpi->sf.cb_pred_filter_search 2504 ? (((mi_row + mi_col) >> bsl) + 2505 get_chessboard_index(cm->current_video_frame)) & 2506 0x1 2507 : 0; 2508 2509 int skip_txfm_sb = 0; 2510 int64_t skip_sse_sb = INT64_MAX; 2511 int64_t distortion_y = 0, distortion_uv = 0; 2512 2513 #if CONFIG_VP9_HIGHBITDEPTH 2514 if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { 2515 tmp_buf = CONVERT_TO_BYTEPTR(tmp_buf16); 2516 } else { 2517 tmp_buf = (uint8_t *)tmp_buf16; 2518 } 2519 #endif // CONFIG_VP9_HIGHBITDEPTH 2520 2521 if (pred_filter_search) { 2522 INTERP_FILTER af = SWITCHABLE, lf = SWITCHABLE; 2523 if (xd->above_mi && is_inter_block(xd->above_mi)) 2524 af = xd->above_mi->interp_filter; 2525 if (xd->left_mi && is_inter_block(xd->left_mi)) 2526 lf = xd->left_mi->interp_filter; 2527 2528 if ((this_mode != NEWMV) || (af == lf)) best_filter = af; 2529 } 2530 2531 if (is_comp_pred) { 2532 if (frame_mv[refs[0]].as_int == INVALID_MV || 2533 frame_mv[refs[1]].as_int == INVALID_MV) 2534 return INT64_MAX; 2535 2536 if (cpi->sf.adaptive_mode_search) { 2537 if (single_filter[this_mode][refs[0]] == 2538 single_filter[this_mode][refs[1]]) 2539 best_filter = single_filter[this_mode][refs[0]]; 2540 } 2541 } 2542 2543 if (this_mode == NEWMV) { 2544 int rate_mv; 2545 if (is_comp_pred) { 2546 // Initialize mv using single prediction mode result. 2547 frame_mv[refs[0]].as_int = single_newmv[refs[0]].as_int; 2548 frame_mv[refs[1]].as_int = single_newmv[refs[1]].as_int; 2549 2550 if (cpi->sf.comp_inter_joint_search_thresh <= bsize) { 2551 joint_motion_search(cpi, x, bsize, frame_mv, mi_row, mi_col, 2552 single_newmv, &rate_mv); 2553 } else { 2554 rate_mv = vp9_mv_bit_cost(&frame_mv[refs[0]].as_mv, 2555 &x->mbmi_ext->ref_mvs[refs[0]][0].as_mv, 2556 x->nmvjointcost, x->mvcost, MV_COST_WEIGHT); 2557 rate_mv += vp9_mv_bit_cost(&frame_mv[refs[1]].as_mv, 2558 &x->mbmi_ext->ref_mvs[refs[1]][0].as_mv, 2559 x->nmvjointcost, x->mvcost, MV_COST_WEIGHT); 2560 } 2561 *rate2 += rate_mv; 2562 } else { 2563 int_mv tmp_mv; 2564 single_motion_search(cpi, x, bsize, mi_row, mi_col, &tmp_mv, &rate_mv); 2565 if (tmp_mv.as_int == INVALID_MV) return INT64_MAX; 2566 2567 frame_mv[refs[0]].as_int = xd->mi[0]->bmi[0].as_mv[0].as_int = 2568 tmp_mv.as_int; 2569 single_newmv[refs[0]].as_int = tmp_mv.as_int; 2570 2571 // Estimate the rate implications of a new mv but discount this 2572 // under certain circumstances where we want to help initiate a weak 2573 // motion field, where the distortion gain for a single block may not 2574 // be enough to overcome the cost of a new mv. 2575 if (discount_newmv_test(cpi, this_mode, tmp_mv, mode_mv, refs[0])) { 2576 *rate2 += VPXMAX((rate_mv / NEW_MV_DISCOUNT_FACTOR), 1); 2577 } else { 2578 *rate2 += rate_mv; 2579 } 2580 } 2581 } 2582 2583 for (i = 0; i < is_comp_pred + 1; ++i) { 2584 cur_mv[i] = frame_mv[refs[i]]; 2585 // Clip "next_nearest" so that it does not extend to far out of image 2586 if (this_mode != NEWMV) clamp_mv2(&cur_mv[i].as_mv, xd); 2587 2588 if (mv_check_bounds(&x->mv_limits, &cur_mv[i].as_mv)) return INT64_MAX; 2589 mi->mv[i].as_int = cur_mv[i].as_int; 2590 } 2591 2592 // do first prediction into the destination buffer. Do the next 2593 // prediction into a temporary buffer. Then keep track of which one 2594 // of these currently holds the best predictor, and use the other 2595 // one for future predictions. In the end, copy from tmp_buf to 2596 // dst if necessary. 2597 for (i = 0; i < MAX_MB_PLANE; i++) { 2598 orig_dst[i] = xd->plane[i].dst.buf; 2599 orig_dst_stride[i] = xd->plane[i].dst.stride; 2600 } 2601 2602 // We don't include the cost of the second reference here, because there 2603 // are only two options: Last/ARF or Golden/ARF; The second one is always 2604 // known, which is ARF. 2605 // 2606 // Under some circumstances we discount the cost of new mv mode to encourage 2607 // initiation of a motion field. 2608 if (discount_newmv_test(cpi, this_mode, frame_mv[refs[0]], mode_mv, 2609 refs[0])) { 2610 *rate2 += 2611 VPXMIN(cost_mv_ref(cpi, this_mode, mbmi_ext->mode_context[refs[0]]), 2612 cost_mv_ref(cpi, NEARESTMV, mbmi_ext->mode_context[refs[0]])); 2613 } else { 2614 *rate2 += cost_mv_ref(cpi, this_mode, mbmi_ext->mode_context[refs[0]]); 2615 } 2616 2617 if (RDCOST(x->rdmult, x->rddiv, *rate2, 0) > ref_best_rd && 2618 mi->mode != NEARESTMV) 2619 return INT64_MAX; 2620 2621 pred_exists = 0; 2622 // Are all MVs integer pel for Y and UV 2623 intpel_mv = !mv_has_subpel(&mi->mv[0].as_mv); 2624 if (is_comp_pred) intpel_mv &= !mv_has_subpel(&mi->mv[1].as_mv); 2625 2626 // Search for best switchable filter by checking the variance of 2627 // pred error irrespective of whether the filter will be used 2628 for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; ++i) filter_cache[i] = INT64_MAX; 2629 2630 if (cm->interp_filter != BILINEAR) { 2631 if (x->source_variance < cpi->sf.disable_filter_search_var_thresh) { 2632 best_filter = EIGHTTAP; 2633 } else if (best_filter == SWITCHABLE) { 2634 int newbest; 2635 int tmp_rate_sum = 0; 2636 int64_t tmp_dist_sum = 0; 2637 2638 for (i = 0; i < SWITCHABLE_FILTERS; ++i) { 2639 int j; 2640 int64_t rs_rd; 2641 int tmp_skip_sb = 0; 2642 int64_t tmp_skip_sse = INT64_MAX; 2643 2644 mi->interp_filter = i; 2645 rs = vp9_get_switchable_rate(cpi, xd); 2646 rs_rd = RDCOST(x->rdmult, x->rddiv, rs, 0); 2647 2648 if (i > 0 && intpel_mv) { 2649 rd = RDCOST(x->rdmult, x->rddiv, tmp_rate_sum, tmp_dist_sum); 2650 filter_cache[i] = rd; 2651 filter_cache[SWITCHABLE_FILTERS] = 2652 VPXMIN(filter_cache[SWITCHABLE_FILTERS], rd + rs_rd); 2653 if (cm->interp_filter == SWITCHABLE) rd += rs_rd; 2654 *mask_filter = VPXMAX(*mask_filter, rd); 2655 } else { 2656 int rate_sum = 0; 2657 int64_t dist_sum = 0; 2658 if (i > 0 && cpi->sf.adaptive_interp_filter_search && 2659 (cpi->sf.interp_filter_search_mask & (1 << i))) { 2660 rate_sum = INT_MAX; 2661 dist_sum = INT64_MAX; 2662 continue; 2663 } 2664 2665 if ((cm->interp_filter == SWITCHABLE && (!i || best_needs_copy)) || 2666 (cm->interp_filter != SWITCHABLE && 2667 (cm->interp_filter == mi->interp_filter || 2668 (i == 0 && intpel_mv)))) { 2669 restore_dst_buf(xd, orig_dst, orig_dst_stride); 2670 } else { 2671 for (j = 0; j < MAX_MB_PLANE; j++) { 2672 xd->plane[j].dst.buf = tmp_buf + j * 64 * 64; 2673 xd->plane[j].dst.stride = 64; 2674 } 2675 } 2676 vp9_build_inter_predictors_sb(xd, mi_row, mi_col, bsize); 2677 model_rd_for_sb(cpi, bsize, x, xd, &rate_sum, &dist_sum, &tmp_skip_sb, 2678 &tmp_skip_sse); 2679 2680 rd = RDCOST(x->rdmult, x->rddiv, rate_sum, dist_sum); 2681 filter_cache[i] = rd; 2682 filter_cache[SWITCHABLE_FILTERS] = 2683 VPXMIN(filter_cache[SWITCHABLE_FILTERS], rd + rs_rd); 2684 if (cm->interp_filter == SWITCHABLE) rd += rs_rd; 2685 *mask_filter = VPXMAX(*mask_filter, rd); 2686 2687 if (i == 0 && intpel_mv) { 2688 tmp_rate_sum = rate_sum; 2689 tmp_dist_sum = dist_sum; 2690 } 2691 } 2692 2693 if (i == 0 && cpi->sf.use_rd_breakout && ref_best_rd < INT64_MAX) { 2694 if (rd / 2 > ref_best_rd) { 2695 restore_dst_buf(xd, orig_dst, orig_dst_stride); 2696 return INT64_MAX; 2697 } 2698 } 2699 newbest = i == 0 || rd < best_rd; 2700 2701 if (newbest) { 2702 best_rd = rd; 2703 best_filter = mi->interp_filter; 2704 if (cm->interp_filter == SWITCHABLE && i && !intpel_mv) 2705 best_needs_copy = !best_needs_copy; 2706 } 2707 2708 if ((cm->interp_filter == SWITCHABLE && newbest) || 2709 (cm->interp_filter != SWITCHABLE && 2710 cm->interp_filter == mi->interp_filter)) { 2711 pred_exists = 1; 2712 tmp_rd = best_rd; 2713 2714 skip_txfm_sb = tmp_skip_sb; 2715 skip_sse_sb = tmp_skip_sse; 2716 memcpy(skip_txfm, x->skip_txfm, sizeof(skip_txfm)); 2717 memcpy(bsse, x->bsse, sizeof(bsse)); 2718 } 2719 } 2720 restore_dst_buf(xd, orig_dst, orig_dst_stride); 2721 } 2722 } 2723 // Set the appropriate filter 2724 mi->interp_filter = 2725 cm->interp_filter != SWITCHABLE ? cm->interp_filter : best_filter; 2726 rs = cm->interp_filter == SWITCHABLE ? vp9_get_switchable_rate(cpi, xd) : 0; 2727 2728 if (pred_exists) { 2729 if (best_needs_copy) { 2730 // again temporarily set the buffers to local memory to prevent a memcpy 2731 for (i = 0; i < MAX_MB_PLANE; i++) { 2732 xd->plane[i].dst.buf = tmp_buf + i * 64 * 64; 2733 xd->plane[i].dst.stride = 64; 2734 } 2735 } 2736 rd = tmp_rd + RDCOST(x->rdmult, x->rddiv, rs, 0); 2737 } else { 2738 int tmp_rate; 2739 int64_t tmp_dist; 2740 // Handles the special case when a filter that is not in the 2741 // switchable list (ex. bilinear) is indicated at the frame level, or 2742 // skip condition holds. 2743 vp9_build_inter_predictors_sb(xd, mi_row, mi_col, bsize); 2744 model_rd_for_sb(cpi, bsize, x, xd, &tmp_rate, &tmp_dist, &skip_txfm_sb, 2745 &skip_sse_sb); 2746 rd = RDCOST(x->rdmult, x->rddiv, rs + tmp_rate, tmp_dist); 2747 memcpy(skip_txfm, x->skip_txfm, sizeof(skip_txfm)); 2748 memcpy(bsse, x->bsse, sizeof(bsse)); 2749 } 2750 2751 if (!is_comp_pred) single_filter[this_mode][refs[0]] = mi->interp_filter; 2752 2753 if (cpi->sf.adaptive_mode_search) 2754 if (is_comp_pred) 2755 if (single_skippable[this_mode][refs[0]] && 2756 single_skippable[this_mode][refs[1]]) 2757 memset(skip_txfm, SKIP_TXFM_AC_DC, sizeof(skip_txfm)); 2758 2759 if (cpi->sf.use_rd_breakout && ref_best_rd < INT64_MAX) { 2760 // if current pred_error modeled rd is substantially more than the best 2761 // so far, do not bother doing full rd 2762 if (rd / 2 > ref_best_rd) { 2763 restore_dst_buf(xd, orig_dst, orig_dst_stride); 2764 return INT64_MAX; 2765 } 2766 } 2767 2768 if (cm->interp_filter == SWITCHABLE) *rate2 += rs; 2769 2770 memcpy(x->skip_txfm, skip_txfm, sizeof(skip_txfm)); 2771 memcpy(x->bsse, bsse, sizeof(bsse)); 2772 2773 if (!skip_txfm_sb) { 2774 int skippable_y, skippable_uv; 2775 int64_t sseuv = INT64_MAX; 2776 int64_t rdcosty = INT64_MAX; 2777 2778 // Y cost and distortion 2779 vp9_subtract_plane(x, bsize, 0); 2780 super_block_yrd(cpi, x, rate_y, &distortion_y, &skippable_y, psse, bsize, 2781 ref_best_rd); 2782 2783 if (*rate_y == INT_MAX) { 2784 *rate2 = INT_MAX; 2785 *distortion = INT64_MAX; 2786 restore_dst_buf(xd, orig_dst, orig_dst_stride); 2787 return INT64_MAX; 2788 } 2789 2790 *rate2 += *rate_y; 2791 *distortion += distortion_y; 2792 2793 rdcosty = RDCOST(x->rdmult, x->rddiv, *rate2, *distortion); 2794 rdcosty = VPXMIN(rdcosty, RDCOST(x->rdmult, x->rddiv, 0, *psse)); 2795 2796 if (!super_block_uvrd(cpi, x, rate_uv, &distortion_uv, &skippable_uv, 2797 &sseuv, bsize, ref_best_rd - rdcosty)) { 2798 *rate2 = INT_MAX; 2799 *distortion = INT64_MAX; 2800 restore_dst_buf(xd, orig_dst, orig_dst_stride); 2801 return INT64_MAX; 2802 } 2803 2804 *psse += sseuv; 2805 *rate2 += *rate_uv; 2806 *distortion += distortion_uv; 2807 *skippable = skippable_y && skippable_uv; 2808 } else { 2809 x->skip = 1; 2810 *disable_skip = 1; 2811 2812 // The cost of skip bit needs to be added. 2813 *rate2 += vp9_cost_bit(vp9_get_skip_prob(cm, xd), 1); 2814 2815 *distortion = skip_sse_sb; 2816 } 2817 2818 if (!is_comp_pred) single_skippable[this_mode][refs[0]] = *skippable; 2819 2820 restore_dst_buf(xd, orig_dst, orig_dst_stride); 2821 return 0; // The rate-distortion cost will be re-calculated by caller. 2822 } 2823 2824 void vp9_rd_pick_intra_mode_sb(VP9_COMP *cpi, MACROBLOCK *x, RD_COST *rd_cost, 2825 BLOCK_SIZE bsize, PICK_MODE_CONTEXT *ctx, 2826 int64_t best_rd) { 2827 VP9_COMMON *const cm = &cpi->common; 2828 MACROBLOCKD *const xd = &x->e_mbd; 2829 struct macroblockd_plane *const pd = xd->plane; 2830 int rate_y = 0, rate_uv = 0, rate_y_tokenonly = 0, rate_uv_tokenonly = 0; 2831 int y_skip = 0, uv_skip = 0; 2832 int64_t dist_y = 0, dist_uv = 0; 2833 TX_SIZE max_uv_tx_size; 2834 x->skip_encode = 0; 2835 ctx->skip = 0; 2836 xd->mi[0]->ref_frame[0] = INTRA_FRAME; 2837 xd->mi[0]->ref_frame[1] = NONE; 2838 // Initialize interp_filter here so we do not have to check for inter block 2839 // modes in get_pred_context_switchable_interp() 2840 xd->mi[0]->interp_filter = SWITCHABLE_FILTERS; 2841 2842 if (bsize >= BLOCK_8X8) { 2843 if (rd_pick_intra_sby_mode(cpi, x, &rate_y, &rate_y_tokenonly, &dist_y, 2844 &y_skip, bsize, best_rd) >= best_rd) { 2845 rd_cost->rate = INT_MAX; 2846 return; 2847 } 2848 } else { 2849 y_skip = 0; 2850 if (rd_pick_intra_sub_8x8_y_mode(cpi, x, &rate_y, &rate_y_tokenonly, 2851 &dist_y, best_rd) >= best_rd) { 2852 rd_cost->rate = INT_MAX; 2853 return; 2854 } 2855 } 2856 max_uv_tx_size = uv_txsize_lookup[bsize][xd->mi[0]->tx_size] 2857 [pd[1].subsampling_x][pd[1].subsampling_y]; 2858 rd_pick_intra_sbuv_mode(cpi, x, ctx, &rate_uv, &rate_uv_tokenonly, &dist_uv, 2859 &uv_skip, VPXMAX(BLOCK_8X8, bsize), max_uv_tx_size); 2860 2861 if (y_skip && uv_skip) { 2862 rd_cost->rate = rate_y + rate_uv - rate_y_tokenonly - rate_uv_tokenonly + 2863 vp9_cost_bit(vp9_get_skip_prob(cm, xd), 1); 2864 rd_cost->dist = dist_y + dist_uv; 2865 } else { 2866 rd_cost->rate = 2867 rate_y + rate_uv + vp9_cost_bit(vp9_get_skip_prob(cm, xd), 0); 2868 rd_cost->dist = dist_y + dist_uv; 2869 } 2870 2871 ctx->mic = *xd->mi[0]; 2872 ctx->mbmi_ext = *x->mbmi_ext; 2873 rd_cost->rdcost = RDCOST(x->rdmult, x->rddiv, rd_cost->rate, rd_cost->dist); 2874 } 2875 2876 // This function is designed to apply a bias or adjustment to an rd value based 2877 // on the relative variance of the source and reconstruction. 2878 #define LOW_VAR_THRESH 16 2879 #define VLOW_ADJ_MAX 25 2880 #define VHIGH_ADJ_MAX 8 2881 static void rd_variance_adjustment(VP9_COMP *cpi, MACROBLOCK *x, 2882 BLOCK_SIZE bsize, int64_t *this_rd, 2883 MV_REFERENCE_FRAME ref_frame, 2884 unsigned int source_variance) { 2885 MACROBLOCKD *const xd = &x->e_mbd; 2886 unsigned int recon_variance; 2887 unsigned int absvar_diff = 0; 2888 int64_t var_error = 0; 2889 int64_t var_factor = 0; 2890 2891 if (*this_rd == INT64_MAX) return; 2892 2893 #if CONFIG_VP9_HIGHBITDEPTH 2894 if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { 2895 recon_variance = vp9_high_get_sby_perpixel_variance(cpi, &xd->plane[0].dst, 2896 bsize, xd->bd); 2897 } else { 2898 recon_variance = 2899 vp9_get_sby_perpixel_variance(cpi, &xd->plane[0].dst, bsize); 2900 } 2901 #else 2902 recon_variance = vp9_get_sby_perpixel_variance(cpi, &xd->plane[0].dst, bsize); 2903 #endif // CONFIG_VP9_HIGHBITDEPTH 2904 2905 if ((source_variance + recon_variance) > LOW_VAR_THRESH) { 2906 absvar_diff = (source_variance > recon_variance) 2907 ? (source_variance - recon_variance) 2908 : (recon_variance - source_variance); 2909 2910 var_error = ((int64_t)200 * source_variance * recon_variance) / 2911 (((int64_t)source_variance * source_variance) + 2912 ((int64_t)recon_variance * recon_variance)); 2913 var_error = 100 - var_error; 2914 } 2915 2916 // Source variance above a threshold and ref frame is intra. 2917 // This case is targeted mainly at discouraging intra modes that give rise 2918 // to a predictor with a low spatial complexity compared to the source. 2919 if ((source_variance > LOW_VAR_THRESH) && (ref_frame == INTRA_FRAME) && 2920 (source_variance > recon_variance)) { 2921 var_factor = VPXMIN(absvar_diff, VPXMIN(VLOW_ADJ_MAX, var_error)); 2922 // A second possible case of interest is where the source variance 2923 // is very low and we wish to discourage false texture or motion trails. 2924 } else if ((source_variance < (LOW_VAR_THRESH >> 1)) && 2925 (recon_variance > source_variance)) { 2926 var_factor = VPXMIN(absvar_diff, VPXMIN(VHIGH_ADJ_MAX, var_error)); 2927 } 2928 *this_rd += (*this_rd * var_factor) / 100; 2929 } 2930 2931 // Do we have an internal image edge (e.g. formatting bars). 2932 int vp9_internal_image_edge(VP9_COMP *cpi) { 2933 return (cpi->oxcf.pass == 2) && 2934 ((cpi->twopass.this_frame_stats.inactive_zone_rows > 0) || 2935 (cpi->twopass.this_frame_stats.inactive_zone_cols > 0)); 2936 } 2937 2938 // Checks to see if a super block is on a horizontal image edge. 2939 // In most cases this is the "real" edge unless there are formatting 2940 // bars embedded in the stream. 2941 int vp9_active_h_edge(VP9_COMP *cpi, int mi_row, int mi_step) { 2942 int top_edge = 0; 2943 int bottom_edge = cpi->common.mi_rows; 2944 int is_active_h_edge = 0; 2945 2946 // For two pass account for any formatting bars detected. 2947 if (cpi->oxcf.pass == 2) { 2948 TWO_PASS *twopass = &cpi->twopass; 2949 2950 // The inactive region is specified in MBs not mi units. 2951 // The image edge is in the following MB row. 2952 top_edge += (int)(twopass->this_frame_stats.inactive_zone_rows * 2); 2953 2954 bottom_edge -= (int)(twopass->this_frame_stats.inactive_zone_rows * 2); 2955 bottom_edge = VPXMAX(top_edge, bottom_edge); 2956 } 2957 2958 if (((top_edge >= mi_row) && (top_edge < (mi_row + mi_step))) || 2959 ((bottom_edge >= mi_row) && (bottom_edge < (mi_row + mi_step)))) { 2960 is_active_h_edge = 1; 2961 } 2962 return is_active_h_edge; 2963 } 2964 2965 // Checks to see if a super block is on a vertical image edge. 2966 // In most cases this is the "real" edge unless there are formatting 2967 // bars embedded in the stream. 2968 int vp9_active_v_edge(VP9_COMP *cpi, int mi_col, int mi_step) { 2969 int left_edge = 0; 2970 int right_edge = cpi->common.mi_cols; 2971 int is_active_v_edge = 0; 2972 2973 // For two pass account for any formatting bars detected. 2974 if (cpi->oxcf.pass == 2) { 2975 TWO_PASS *twopass = &cpi->twopass; 2976 2977 // The inactive region is specified in MBs not mi units. 2978 // The image edge is in the following MB row. 2979 left_edge += (int)(twopass->this_frame_stats.inactive_zone_cols * 2); 2980 2981 right_edge -= (int)(twopass->this_frame_stats.inactive_zone_cols * 2); 2982 right_edge = VPXMAX(left_edge, right_edge); 2983 } 2984 2985 if (((left_edge >= mi_col) && (left_edge < (mi_col + mi_step))) || 2986 ((right_edge >= mi_col) && (right_edge < (mi_col + mi_step)))) { 2987 is_active_v_edge = 1; 2988 } 2989 return is_active_v_edge; 2990 } 2991 2992 // Checks to see if a super block is at the edge of the active image. 2993 // In most cases this is the "real" edge unless there are formatting 2994 // bars embedded in the stream. 2995 int vp9_active_edge_sb(VP9_COMP *cpi, int mi_row, int mi_col) { 2996 return vp9_active_h_edge(cpi, mi_row, MI_BLOCK_SIZE) || 2997 vp9_active_v_edge(cpi, mi_col, MI_BLOCK_SIZE); 2998 } 2999 3000 void vp9_rd_pick_inter_mode_sb(VP9_COMP *cpi, TileDataEnc *tile_data, 3001 MACROBLOCK *x, int mi_row, int mi_col, 3002 RD_COST *rd_cost, BLOCK_SIZE bsize, 3003 PICK_MODE_CONTEXT *ctx, int64_t best_rd_so_far) { 3004 VP9_COMMON *const cm = &cpi->common; 3005 TileInfo *const tile_info = &tile_data->tile_info; 3006 RD_OPT *const rd_opt = &cpi->rd; 3007 SPEED_FEATURES *const sf = &cpi->sf; 3008 MACROBLOCKD *const xd = &x->e_mbd; 3009 MODE_INFO *const mi = xd->mi[0]; 3010 MB_MODE_INFO_EXT *const mbmi_ext = x->mbmi_ext; 3011 const struct segmentation *const seg = &cm->seg; 3012 PREDICTION_MODE this_mode; 3013 MV_REFERENCE_FRAME ref_frame, second_ref_frame; 3014 unsigned char segment_id = mi->segment_id; 3015 int comp_pred, i, k; 3016 int_mv frame_mv[MB_MODE_COUNT][MAX_REF_FRAMES]; 3017 struct buf_2d yv12_mb[4][MAX_MB_PLANE]; 3018 int_mv single_newmv[MAX_REF_FRAMES] = { { 0 } }; 3019 INTERP_FILTER single_inter_filter[MB_MODE_COUNT][MAX_REF_FRAMES]; 3020 int single_skippable[MB_MODE_COUNT][MAX_REF_FRAMES]; 3021 static const int flag_list[4] = { 0, VP9_LAST_FLAG, VP9_GOLD_FLAG, 3022 VP9_ALT_FLAG }; 3023 int64_t best_rd = best_rd_so_far; 3024 int64_t best_pred_diff[REFERENCE_MODES]; 3025 int64_t best_pred_rd[REFERENCE_MODES]; 3026 int64_t best_filter_rd[SWITCHABLE_FILTER_CONTEXTS]; 3027 int64_t best_filter_diff[SWITCHABLE_FILTER_CONTEXTS]; 3028 MODE_INFO best_mbmode; 3029 int best_mode_skippable = 0; 3030 int midx, best_mode_index = -1; 3031 unsigned int ref_costs_single[MAX_REF_FRAMES], ref_costs_comp[MAX_REF_FRAMES]; 3032 vpx_prob comp_mode_p; 3033 int64_t best_intra_rd = INT64_MAX; 3034 unsigned int best_pred_sse = UINT_MAX; 3035 PREDICTION_MODE best_intra_mode = DC_PRED; 3036 int rate_uv_intra[TX_SIZES], rate_uv_tokenonly[TX_SIZES]; 3037 int64_t dist_uv[TX_SIZES]; 3038 int skip_uv[TX_SIZES]; 3039 PREDICTION_MODE mode_uv[TX_SIZES]; 3040 const int intra_cost_penalty = vp9_get_intra_cost_penalty( 3041 cm->base_qindex, cm->y_dc_delta_q, cm->bit_depth); 3042 int best_skip2 = 0; 3043 uint8_t ref_frame_skip_mask[2] = { 0 }; 3044 uint16_t mode_skip_mask[MAX_REF_FRAMES] = { 0 }; 3045 int mode_skip_start = sf->mode_skip_start + 1; 3046 const int *const rd_threshes = rd_opt->threshes[segment_id][bsize]; 3047 const int *const rd_thresh_freq_fact = tile_data->thresh_freq_fact[bsize]; 3048 int64_t mode_threshold[MAX_MODES]; 3049 int *tile_mode_map = tile_data->mode_map[bsize]; 3050 int mode_map[MAX_MODES]; // Maintain mode_map information locally to avoid 3051 // lock mechanism involved with reads from 3052 // tile_mode_map 3053 const int mode_search_skip_flags = sf->mode_search_skip_flags; 3054 int64_t mask_filter = 0; 3055 int64_t filter_cache[SWITCHABLE_FILTER_CONTEXTS]; 3056 3057 vp9_zero(best_mbmode); 3058 3059 x->skip_encode = sf->skip_encode_frame && x->q_index < QIDX_SKIP_THRESH; 3060 3061 for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; ++i) filter_cache[i] = INT64_MAX; 3062 3063 estimate_ref_frame_costs(cm, xd, segment_id, ref_costs_single, ref_costs_comp, 3064 &comp_mode_p); 3065 3066 for (i = 0; i < REFERENCE_MODES; ++i) best_pred_rd[i] = INT64_MAX; 3067 for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; i++) 3068 best_filter_rd[i] = INT64_MAX; 3069 for (i = 0; i < TX_SIZES; i++) rate_uv_intra[i] = INT_MAX; 3070 for (i = 0; i < MAX_REF_FRAMES; ++i) x->pred_sse[i] = INT_MAX; 3071 for (i = 0; i < MB_MODE_COUNT; ++i) { 3072 for (k = 0; k < MAX_REF_FRAMES; ++k) { 3073 single_inter_filter[i][k] = SWITCHABLE; 3074 single_skippable[i][k] = 0; 3075 } 3076 } 3077 3078 rd_cost->rate = INT_MAX; 3079 3080 for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) { 3081 x->pred_mv_sad[ref_frame] = INT_MAX; 3082 if (cpi->ref_frame_flags & flag_list[ref_frame]) { 3083 assert(get_ref_frame_buffer(cpi, ref_frame) != NULL); 3084 setup_buffer_inter(cpi, x, ref_frame, bsize, mi_row, mi_col, 3085 frame_mv[NEARESTMV], frame_mv[NEARMV], yv12_mb); 3086 } 3087 frame_mv[NEWMV][ref_frame].as_int = INVALID_MV; 3088 frame_mv[ZEROMV][ref_frame].as_int = 0; 3089 } 3090 3091 for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) { 3092 if (!(cpi->ref_frame_flags & flag_list[ref_frame])) { 3093 // Skip checking missing references in both single and compound reference 3094 // modes. Note that a mode will be skipped if both reference frames 3095 // are masked out. 3096 ref_frame_skip_mask[0] |= (1 << ref_frame); 3097 ref_frame_skip_mask[1] |= SECOND_REF_FRAME_MASK; 3098 } else if (sf->reference_masking) { 3099 for (i = LAST_FRAME; i <= ALTREF_FRAME; ++i) { 3100 // Skip fixed mv modes for poor references 3101 if ((x->pred_mv_sad[ref_frame] >> 2) > x->pred_mv_sad[i]) { 3102 mode_skip_mask[ref_frame] |= INTER_NEAREST_NEAR_ZERO; 3103 break; 3104 } 3105 } 3106 } 3107 // If the segment reference frame feature is enabled.... 3108 // then do nothing if the current ref frame is not allowed.. 3109 if (segfeature_active(seg, segment_id, SEG_LVL_REF_FRAME) && 3110 get_segdata(seg, segment_id, SEG_LVL_REF_FRAME) != (int)ref_frame) { 3111 ref_frame_skip_mask[0] |= (1 << ref_frame); 3112 ref_frame_skip_mask[1] |= SECOND_REF_FRAME_MASK; 3113 } 3114 } 3115 3116 // Disable this drop out case if the ref frame 3117 // segment level feature is enabled for this segment. This is to 3118 // prevent the possibility that we end up unable to pick any mode. 3119 if (!segfeature_active(seg, segment_id, SEG_LVL_REF_FRAME)) { 3120 // Only consider ZEROMV/ALTREF_FRAME for alt ref frame, 3121 // unless ARNR filtering is enabled in which case we want 3122 // an unfiltered alternative. We allow near/nearest as well 3123 // because they may result in zero-zero MVs but be cheaper. 3124 if (cpi->rc.is_src_frame_alt_ref && (cpi->oxcf.arnr_max_frames == 0)) { 3125 ref_frame_skip_mask[0] = (1 << LAST_FRAME) | (1 << GOLDEN_FRAME); 3126 ref_frame_skip_mask[1] = SECOND_REF_FRAME_MASK; 3127 mode_skip_mask[ALTREF_FRAME] = ~INTER_NEAREST_NEAR_ZERO; 3128 if (frame_mv[NEARMV][ALTREF_FRAME].as_int != 0) 3129 mode_skip_mask[ALTREF_FRAME] |= (1 << NEARMV); 3130 if (frame_mv[NEARESTMV][ALTREF_FRAME].as_int != 0) 3131 mode_skip_mask[ALTREF_FRAME] |= (1 << NEARESTMV); 3132 } 3133 } 3134 3135 if (cpi->rc.is_src_frame_alt_ref) { 3136 if (sf->alt_ref_search_fp) { 3137 mode_skip_mask[ALTREF_FRAME] = 0; 3138 ref_frame_skip_mask[0] = ~(1 << ALTREF_FRAME); 3139 ref_frame_skip_mask[1] = SECOND_REF_FRAME_MASK; 3140 } 3141 } 3142 3143 if (sf->alt_ref_search_fp) 3144 if (!cm->show_frame && x->pred_mv_sad[GOLDEN_FRAME] < INT_MAX) 3145 if (x->pred_mv_sad[ALTREF_FRAME] > (x->pred_mv_sad[GOLDEN_FRAME] << 1)) 3146 mode_skip_mask[ALTREF_FRAME] |= INTER_ALL; 3147 3148 if (sf->adaptive_mode_search) { 3149 if (cm->show_frame && !cpi->rc.is_src_frame_alt_ref && 3150 cpi->rc.frames_since_golden >= 3) 3151 if (x->pred_mv_sad[GOLDEN_FRAME] > (x->pred_mv_sad[LAST_FRAME] << 1)) 3152 mode_skip_mask[GOLDEN_FRAME] |= INTER_ALL; 3153 } 3154 3155 if (bsize > sf->max_intra_bsize) { 3156 ref_frame_skip_mask[0] |= (1 << INTRA_FRAME); 3157 ref_frame_skip_mask[1] |= (1 << INTRA_FRAME); 3158 } 3159 3160 mode_skip_mask[INTRA_FRAME] |= 3161 ~(sf->intra_y_mode_mask[max_txsize_lookup[bsize]]); 3162 3163 for (i = 0; i <= LAST_NEW_MV_INDEX; ++i) mode_threshold[i] = 0; 3164 3165 for (i = LAST_NEW_MV_INDEX + 1; i < MAX_MODES; ++i) 3166 mode_threshold[i] = ((int64_t)rd_threshes[i] * rd_thresh_freq_fact[i]) >> 5; 3167 3168 midx = sf->schedule_mode_search ? mode_skip_start : 0; 3169 3170 while (midx > 4) { 3171 uint8_t end_pos = 0; 3172 for (i = 5; i < midx; ++i) { 3173 if (mode_threshold[tile_mode_map[i - 1]] > 3174 mode_threshold[tile_mode_map[i]]) { 3175 uint8_t tmp = tile_mode_map[i]; 3176 tile_mode_map[i] = tile_mode_map[i - 1]; 3177 tile_mode_map[i - 1] = tmp; 3178 end_pos = i; 3179 } 3180 } 3181 midx = end_pos; 3182 } 3183 3184 memcpy(mode_map, tile_mode_map, sizeof(mode_map)); 3185 3186 for (midx = 0; midx < MAX_MODES; ++midx) { 3187 int mode_index = mode_map[midx]; 3188 int mode_excluded = 0; 3189 int64_t this_rd = INT64_MAX; 3190 int disable_skip = 0; 3191 int compmode_cost = 0; 3192 int rate2 = 0, rate_y = 0, rate_uv = 0; 3193 int64_t distortion2 = 0, distortion_y = 0, distortion_uv = 0; 3194 int skippable = 0; 3195 int this_skip2 = 0; 3196 int64_t total_sse = INT64_MAX; 3197 int early_term = 0; 3198 3199 this_mode = vp9_mode_order[mode_index].mode; 3200 ref_frame = vp9_mode_order[mode_index].ref_frame[0]; 3201 second_ref_frame = vp9_mode_order[mode_index].ref_frame[1]; 3202 3203 vp9_zero(x->sum_y_eobs); 3204 3205 // Look at the reference frame of the best mode so far and set the 3206 // skip mask to look at a subset of the remaining modes. 3207 if (midx == mode_skip_start && best_mode_index >= 0) { 3208 switch (best_mbmode.ref_frame[0]) { 3209 case INTRA_FRAME: break; 3210 case LAST_FRAME: 3211 ref_frame_skip_mask[0] |= LAST_FRAME_MODE_MASK; 3212 ref_frame_skip_mask[1] |= SECOND_REF_FRAME_MASK; 3213 break; 3214 case GOLDEN_FRAME: 3215 ref_frame_skip_mask[0] |= GOLDEN_FRAME_MODE_MASK; 3216 ref_frame_skip_mask[1] |= SECOND_REF_FRAME_MASK; 3217 break; 3218 case ALTREF_FRAME: ref_frame_skip_mask[0] |= ALT_REF_MODE_MASK; break; 3219 case NONE: 3220 case MAX_REF_FRAMES: assert(0 && "Invalid Reference frame"); break; 3221 } 3222 } 3223 3224 if ((ref_frame_skip_mask[0] & (1 << ref_frame)) && 3225 (ref_frame_skip_mask[1] & (1 << VPXMAX(0, second_ref_frame)))) 3226 continue; 3227 3228 if (mode_skip_mask[ref_frame] & (1 << this_mode)) continue; 3229 3230 // Test best rd so far against threshold for trying this mode. 3231 if (best_mode_skippable && sf->schedule_mode_search) 3232 mode_threshold[mode_index] <<= 1; 3233 3234 if (best_rd < mode_threshold[mode_index]) continue; 3235 3236 // This is only used in motion vector unit test. 3237 if (cpi->oxcf.motion_vector_unit_test && ref_frame == INTRA_FRAME) continue; 3238 3239 if (sf->motion_field_mode_search) { 3240 const int mi_width = VPXMIN(num_8x8_blocks_wide_lookup[bsize], 3241 tile_info->mi_col_end - mi_col); 3242 const int mi_height = VPXMIN(num_8x8_blocks_high_lookup[bsize], 3243 tile_info->mi_row_end - mi_row); 3244 const int bsl = mi_width_log2_lookup[bsize]; 3245 int cb_partition_search_ctrl = 3246 (((mi_row + mi_col) >> bsl) + 3247 get_chessboard_index(cm->current_video_frame)) & 3248 0x1; 3249 MODE_INFO *ref_mi; 3250 int const_motion = 1; 3251 int skip_ref_frame = !cb_partition_search_ctrl; 3252 MV_REFERENCE_FRAME rf = NONE; 3253 int_mv ref_mv; 3254 ref_mv.as_int = INVALID_MV; 3255 3256 if ((mi_row - 1) >= tile_info->mi_row_start) { 3257 ref_mv = xd->mi[-xd->mi_stride]->mv[0]; 3258 rf = xd->mi[-xd->mi_stride]->ref_frame[0]; 3259 for (i = 0; i < mi_width; ++i) { 3260 ref_mi = xd->mi[-xd->mi_stride + i]; 3261 const_motion &= (ref_mv.as_int == ref_mi->mv[0].as_int) && 3262 (ref_frame == ref_mi->ref_frame[0]); 3263 skip_ref_frame &= (rf == ref_mi->ref_frame[0]); 3264 } 3265 } 3266 3267 if ((mi_col - 1) >= tile_info->mi_col_start) { 3268 if (ref_mv.as_int == INVALID_MV) ref_mv = xd->mi[-1]->mv[0]; 3269 if (rf == NONE) rf = xd->mi[-1]->ref_frame[0]; 3270 for (i = 0; i < mi_height; ++i) { 3271 ref_mi = xd->mi[i * xd->mi_stride - 1]; 3272 const_motion &= (ref_mv.as_int == ref_mi->mv[0].as_int) && 3273 (ref_frame == ref_mi->ref_frame[0]); 3274 skip_ref_frame &= (rf == ref_mi->ref_frame[0]); 3275 } 3276 } 3277 3278 if (skip_ref_frame && this_mode != NEARESTMV && this_mode != NEWMV) 3279 if (rf > INTRA_FRAME) 3280 if (ref_frame != rf) continue; 3281 3282 if (const_motion) 3283 if (this_mode == NEARMV || this_mode == ZEROMV) continue; 3284 } 3285 3286 comp_pred = second_ref_frame > INTRA_FRAME; 3287 if (comp_pred) { 3288 if (!cpi->allow_comp_inter_inter) continue; 3289 3290 // Skip compound inter modes if ARF is not available. 3291 if (!(cpi->ref_frame_flags & flag_list[second_ref_frame])) continue; 3292 3293 // Do not allow compound prediction if the segment level reference frame 3294 // feature is in use as in this case there can only be one reference. 3295 if (segfeature_active(seg, segment_id, SEG_LVL_REF_FRAME)) continue; 3296 3297 if ((mode_search_skip_flags & FLAG_SKIP_COMP_BESTINTRA) && 3298 best_mode_index >= 0 && best_mbmode.ref_frame[0] == INTRA_FRAME) 3299 continue; 3300 3301 mode_excluded = cm->reference_mode == SINGLE_REFERENCE; 3302 } else { 3303 if (ref_frame != INTRA_FRAME) 3304 mode_excluded = cm->reference_mode == COMPOUND_REFERENCE; 3305 } 3306 3307 if (ref_frame == INTRA_FRAME) { 3308 if (sf->adaptive_mode_search) 3309 if ((x->source_variance << num_pels_log2_lookup[bsize]) > best_pred_sse) 3310 continue; 3311 3312 if (this_mode != DC_PRED) { 3313 // Disable intra modes other than DC_PRED for blocks with low variance 3314 // Threshold for intra skipping based on source variance 3315 // TODO(debargha): Specialize the threshold for super block sizes 3316 const unsigned int skip_intra_var_thresh = 64; 3317 if ((mode_search_skip_flags & FLAG_SKIP_INTRA_LOWVAR) && 3318 x->source_variance < skip_intra_var_thresh) 3319 continue; 3320 // Only search the oblique modes if the best so far is 3321 // one of the neighboring directional modes 3322 if ((mode_search_skip_flags & FLAG_SKIP_INTRA_BESTINTER) && 3323 (this_mode >= D45_PRED && this_mode <= TM_PRED)) { 3324 if (best_mode_index >= 0 && best_mbmode.ref_frame[0] > INTRA_FRAME) 3325 continue; 3326 } 3327 if (mode_search_skip_flags & FLAG_SKIP_INTRA_DIRMISMATCH) { 3328 if (conditional_skipintra(this_mode, best_intra_mode)) continue; 3329 } 3330 } 3331 } else { 3332 const MV_REFERENCE_FRAME ref_frames[2] = { ref_frame, second_ref_frame }; 3333 if (!check_best_zero_mv(cpi, mbmi_ext->mode_context, frame_mv, this_mode, 3334 ref_frames)) 3335 continue; 3336 } 3337 3338 mi->mode = this_mode; 3339 mi->uv_mode = DC_PRED; 3340 mi->ref_frame[0] = ref_frame; 3341 mi->ref_frame[1] = second_ref_frame; 3342 // Evaluate all sub-pel filters irrespective of whether we can use 3343 // them for this frame. 3344 mi->interp_filter = 3345 cm->interp_filter == SWITCHABLE ? EIGHTTAP : cm->interp_filter; 3346 mi->mv[0].as_int = mi->mv[1].as_int = 0; 3347 3348 x->skip = 0; 3349 set_ref_ptrs(cm, xd, ref_frame, second_ref_frame); 3350 3351 // Select prediction reference frames. 3352 for (i = 0; i < MAX_MB_PLANE; i++) { 3353 xd->plane[i].pre[0] = yv12_mb[ref_frame][i]; 3354 if (comp_pred) xd->plane[i].pre[1] = yv12_mb[second_ref_frame][i]; 3355 } 3356 3357 if (ref_frame == INTRA_FRAME) { 3358 TX_SIZE uv_tx; 3359 struct macroblockd_plane *const pd = &xd->plane[1]; 3360 memset(x->skip_txfm, 0, sizeof(x->skip_txfm)); 3361 super_block_yrd(cpi, x, &rate_y, &distortion_y, &skippable, NULL, bsize, 3362 best_rd); 3363 if (rate_y == INT_MAX) continue; 3364 3365 uv_tx = uv_txsize_lookup[bsize][mi->tx_size][pd->subsampling_x] 3366 [pd->subsampling_y]; 3367 if (rate_uv_intra[uv_tx] == INT_MAX) { 3368 choose_intra_uv_mode(cpi, x, ctx, bsize, uv_tx, &rate_uv_intra[uv_tx], 3369 &rate_uv_tokenonly[uv_tx], &dist_uv[uv_tx], 3370 &skip_uv[uv_tx], &mode_uv[uv_tx]); 3371 } 3372 3373 rate_uv = rate_uv_tokenonly[uv_tx]; 3374 distortion_uv = dist_uv[uv_tx]; 3375 skippable = skippable && skip_uv[uv_tx]; 3376 mi->uv_mode = mode_uv[uv_tx]; 3377 3378 rate2 = rate_y + cpi->mbmode_cost[mi->mode] + rate_uv_intra[uv_tx]; 3379 if (this_mode != DC_PRED && this_mode != TM_PRED) 3380 rate2 += intra_cost_penalty; 3381 distortion2 = distortion_y + distortion_uv; 3382 } else { 3383 this_rd = handle_inter_mode( 3384 cpi, x, bsize, &rate2, &distortion2, &skippable, &rate_y, &rate_uv, 3385 &disable_skip, frame_mv, mi_row, mi_col, single_newmv, 3386 single_inter_filter, single_skippable, &total_sse, best_rd, 3387 &mask_filter, filter_cache); 3388 if (this_rd == INT64_MAX) continue; 3389 3390 compmode_cost = vp9_cost_bit(comp_mode_p, comp_pred); 3391 3392 if (cm->reference_mode == REFERENCE_MODE_SELECT) rate2 += compmode_cost; 3393 } 3394 3395 // Estimate the reference frame signaling cost and add it 3396 // to the rolling cost variable. 3397 if (comp_pred) { 3398 rate2 += ref_costs_comp[ref_frame]; 3399 } else { 3400 rate2 += ref_costs_single[ref_frame]; 3401 } 3402 3403 if (!disable_skip) { 3404 const vpx_prob skip_prob = vp9_get_skip_prob(cm, xd); 3405 const int skip_cost0 = vp9_cost_bit(skip_prob, 0); 3406 const int skip_cost1 = vp9_cost_bit(skip_prob, 1); 3407 3408 if (skippable) { 3409 // Back out the coefficient coding costs 3410 rate2 -= (rate_y + rate_uv); 3411 3412 // Cost the skip mb case 3413 rate2 += skip_cost1; 3414 } else if (ref_frame != INTRA_FRAME && !xd->lossless) { 3415 if (RDCOST(x->rdmult, x->rddiv, rate_y + rate_uv + skip_cost0, 3416 distortion2) < 3417 RDCOST(x->rdmult, x->rddiv, skip_cost1, total_sse)) { 3418 // Add in the cost of the no skip flag. 3419 rate2 += skip_cost0; 3420 } else { 3421 // FIXME(rbultje) make this work for splitmv also 3422 assert(total_sse >= 0); 3423 3424 rate2 += skip_cost1; 3425 distortion2 = total_sse; 3426 rate2 -= (rate_y + rate_uv); 3427 this_skip2 = 1; 3428 } 3429 } else { 3430 // Add in the cost of the no skip flag. 3431 rate2 += skip_cost0; 3432 } 3433 3434 // Calculate the final RD estimate for this mode. 3435 this_rd = RDCOST(x->rdmult, x->rddiv, rate2, distortion2); 3436 } 3437 3438 // Apply an adjustment to the rd value based on the similarity of the 3439 // source variance and reconstructed variance. 3440 rd_variance_adjustment(cpi, x, bsize, &this_rd, ref_frame, 3441 x->source_variance); 3442 3443 if (ref_frame == INTRA_FRAME) { 3444 // Keep record of best intra rd 3445 if (this_rd < best_intra_rd) { 3446 best_intra_rd = this_rd; 3447 best_intra_mode = mi->mode; 3448 } 3449 } 3450 3451 if (!disable_skip && ref_frame == INTRA_FRAME) { 3452 for (i = 0; i < REFERENCE_MODES; ++i) 3453 best_pred_rd[i] = VPXMIN(best_pred_rd[i], this_rd); 3454 for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; i++) 3455 best_filter_rd[i] = VPXMIN(best_filter_rd[i], this_rd); 3456 } 3457 3458 // Did this mode help.. i.e. is it the new best mode 3459 if (this_rd < best_rd || x->skip) { 3460 int max_plane = MAX_MB_PLANE; 3461 if (!mode_excluded) { 3462 // Note index of best mode so far 3463 best_mode_index = mode_index; 3464 3465 if (ref_frame == INTRA_FRAME) { 3466 /* required for left and above block mv */ 3467 mi->mv[0].as_int = 0; 3468 max_plane = 1; 3469 // Initialize interp_filter here so we do not have to check for 3470 // inter block modes in get_pred_context_switchable_interp() 3471 mi->interp_filter = SWITCHABLE_FILTERS; 3472 } else { 3473 best_pred_sse = x->pred_sse[ref_frame]; 3474 } 3475 3476 rd_cost->rate = rate2; 3477 rd_cost->dist = distortion2; 3478 rd_cost->rdcost = this_rd; 3479 best_rd = this_rd; 3480 best_mbmode = *mi; 3481 best_skip2 = this_skip2; 3482 best_mode_skippable = skippable; 3483 3484 if (!x->select_tx_size) swap_block_ptr(x, ctx, 1, 0, 0, max_plane); 3485 memcpy(ctx->zcoeff_blk, x->zcoeff_blk[mi->tx_size], 3486 sizeof(ctx->zcoeff_blk[0]) * ctx->num_4x4_blk); 3487 ctx->sum_y_eobs = x->sum_y_eobs[mi->tx_size]; 3488 3489 // TODO(debargha): enhance this test with a better distortion prediction 3490 // based on qp, activity mask and history 3491 if ((mode_search_skip_flags & FLAG_EARLY_TERMINATE) && 3492 (mode_index > MIN_EARLY_TERM_INDEX)) { 3493 int qstep = xd->plane[0].dequant[1]; 3494 // TODO(debargha): Enhance this by specializing for each mode_index 3495 int scale = 4; 3496 #if CONFIG_VP9_HIGHBITDEPTH 3497 if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { 3498 qstep >>= (xd->bd - 8); 3499 } 3500 #endif // CONFIG_VP9_HIGHBITDEPTH 3501 if (x->source_variance < UINT_MAX) { 3502 const int var_adjust = (x->source_variance < 16); 3503 scale -= var_adjust; 3504 } 3505 if (ref_frame > INTRA_FRAME && distortion2 * scale < qstep * qstep) { 3506 early_term = 1; 3507 } 3508 } 3509 } 3510 } 3511 3512 /* keep record of best compound/single-only prediction */ 3513 if (!disable_skip && ref_frame != INTRA_FRAME) { 3514 int64_t single_rd, hybrid_rd, single_rate, hybrid_rate; 3515 3516 if (cm->reference_mode == REFERENCE_MODE_SELECT) { 3517 single_rate = rate2 - compmode_cost; 3518 hybrid_rate = rate2; 3519 } else { 3520 single_rate = rate2; 3521 hybrid_rate = rate2 + compmode_cost; 3522 } 3523 3524 single_rd = RDCOST(x->rdmult, x->rddiv, single_rate, distortion2); 3525 hybrid_rd = RDCOST(x->rdmult, x->rddiv, hybrid_rate, distortion2); 3526 3527 if (!comp_pred) { 3528 if (single_rd < best_pred_rd[SINGLE_REFERENCE]) 3529 best_pred_rd[SINGLE_REFERENCE] = single_rd; 3530 } else { 3531 if (single_rd < best_pred_rd[COMPOUND_REFERENCE]) 3532 best_pred_rd[COMPOUND_REFERENCE] = single_rd; 3533 } 3534 if (hybrid_rd < best_pred_rd[REFERENCE_MODE_SELECT]) 3535 best_pred_rd[REFERENCE_MODE_SELECT] = hybrid_rd; 3536 3537 /* keep record of best filter type */ 3538 if (!mode_excluded && cm->interp_filter != BILINEAR) { 3539 int64_t ref = 3540 filter_cache[cm->interp_filter == SWITCHABLE ? SWITCHABLE_FILTERS 3541 : cm->interp_filter]; 3542 3543 for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; i++) { 3544 int64_t adj_rd; 3545 if (ref == INT64_MAX) 3546 adj_rd = 0; 3547 else if (filter_cache[i] == INT64_MAX) 3548 // when early termination is triggered, the encoder does not have 3549 // access to the rate-distortion cost. it only knows that the cost 3550 // should be above the maximum valid value. hence it takes the known 3551 // maximum plus an arbitrary constant as the rate-distortion cost. 3552 adj_rd = mask_filter - ref + 10; 3553 else 3554 adj_rd = filter_cache[i] - ref; 3555 3556 adj_rd += this_rd; 3557 best_filter_rd[i] = VPXMIN(best_filter_rd[i], adj_rd); 3558 } 3559 } 3560 } 3561 3562 if (early_term) break; 3563 3564 if (x->skip && !comp_pred) break; 3565 } 3566 3567 // The inter modes' rate costs are not calculated precisely in some cases. 3568 // Therefore, sometimes, NEWMV is chosen instead of NEARESTMV, NEARMV, and 3569 // ZEROMV. Here, checks are added for those cases, and the mode decisions 3570 // are corrected. 3571 if (best_mbmode.mode == NEWMV) { 3572 const MV_REFERENCE_FRAME refs[2] = { best_mbmode.ref_frame[0], 3573 best_mbmode.ref_frame[1] }; 3574 int comp_pred_mode = refs[1] > INTRA_FRAME; 3575 3576 if (frame_mv[NEARESTMV][refs[0]].as_int == best_mbmode.mv[0].as_int && 3577 ((comp_pred_mode && 3578 frame_mv[NEARESTMV][refs[1]].as_int == best_mbmode.mv[1].as_int) || 3579 !comp_pred_mode)) 3580 best_mbmode.mode = NEARESTMV; 3581 else if (frame_mv[NEARMV][refs[0]].as_int == best_mbmode.mv[0].as_int && 3582 ((comp_pred_mode && 3583 frame_mv[NEARMV][refs[1]].as_int == best_mbmode.mv[1].as_int) || 3584 !comp_pred_mode)) 3585 best_mbmode.mode = NEARMV; 3586 else if (best_mbmode.mv[0].as_int == 0 && 3587 ((comp_pred_mode && best_mbmode.mv[1].as_int == 0) || 3588 !comp_pred_mode)) 3589 best_mbmode.mode = ZEROMV; 3590 } 3591 3592 if (best_mode_index < 0 || best_rd >= best_rd_so_far) { 3593 // If adaptive interp filter is enabled, then the current leaf node of 8x8 3594 // data is needed for sub8x8. Hence preserve the context. 3595 if (cpi->row_mt && bsize == BLOCK_8X8) ctx->mic = *xd->mi[0]; 3596 rd_cost->rate = INT_MAX; 3597 rd_cost->rdcost = INT64_MAX; 3598 return; 3599 } 3600 3601 // If we used an estimate for the uv intra rd in the loop above... 3602 if (sf->use_uv_intra_rd_estimate) { 3603 // Do Intra UV best rd mode selection if best mode choice above was intra. 3604 if (best_mbmode.ref_frame[0] == INTRA_FRAME) { 3605 TX_SIZE uv_tx_size; 3606 *mi = best_mbmode; 3607 uv_tx_size = get_uv_tx_size(mi, &xd->plane[1]); 3608 rd_pick_intra_sbuv_mode(cpi, x, ctx, &rate_uv_intra[uv_tx_size], 3609 &rate_uv_tokenonly[uv_tx_size], 3610 &dist_uv[uv_tx_size], &skip_uv[uv_tx_size], 3611 bsize < BLOCK_8X8 ? BLOCK_8X8 : bsize, 3612 uv_tx_size); 3613 } 3614 } 3615 3616 assert((cm->interp_filter == SWITCHABLE) || 3617 (cm->interp_filter == best_mbmode.interp_filter) || 3618 !is_inter_block(&best_mbmode)); 3619 3620 if (!cpi->rc.is_src_frame_alt_ref) 3621 vp9_update_rd_thresh_fact(tile_data->thresh_freq_fact, 3622 sf->adaptive_rd_thresh, bsize, best_mode_index); 3623 3624 // macroblock modes 3625 *mi = best_mbmode; 3626 x->skip |= best_skip2; 3627 3628 for (i = 0; i < REFERENCE_MODES; ++i) { 3629 if (best_pred_rd[i] == INT64_MAX) 3630 best_pred_diff[i] = INT_MIN; 3631 else 3632 best_pred_diff[i] = best_rd - best_pred_rd[i]; 3633 } 3634 3635 if (!x->skip) { 3636 for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; i++) { 3637 if (best_filter_rd[i] == INT64_MAX) 3638 best_filter_diff[i] = 0; 3639 else 3640 best_filter_diff[i] = best_rd - best_filter_rd[i]; 3641 } 3642 if (cm->interp_filter == SWITCHABLE) 3643 assert(best_filter_diff[SWITCHABLE_FILTERS] == 0); 3644 } else { 3645 vp9_zero(best_filter_diff); 3646 } 3647 3648 // TODO(yunqingwang): Moving this line in front of the above best_filter_diff 3649 // updating code causes PSNR loss. Need to figure out the confliction. 3650 x->skip |= best_mode_skippable; 3651 3652 if (!x->skip && !x->select_tx_size) { 3653 int has_high_freq_coeff = 0; 3654 int plane; 3655 int max_plane = is_inter_block(xd->mi[0]) ? MAX_MB_PLANE : 1; 3656 for (plane = 0; plane < max_plane; ++plane) { 3657 x->plane[plane].eobs = ctx->eobs_pbuf[plane][1]; 3658 has_high_freq_coeff |= vp9_has_high_freq_in_plane(x, bsize, plane); 3659 } 3660 3661 for (plane = max_plane; plane < MAX_MB_PLANE; ++plane) { 3662 x->plane[plane].eobs = ctx->eobs_pbuf[plane][2]; 3663 has_high_freq_coeff |= vp9_has_high_freq_in_plane(x, bsize, plane); 3664 } 3665 3666 best_mode_skippable |= !has_high_freq_coeff; 3667 } 3668 3669 assert(best_mode_index >= 0); 3670 3671 store_coding_context(x, ctx, best_mode_index, best_pred_diff, 3672 best_filter_diff, best_mode_skippable); 3673 } 3674 3675 void vp9_rd_pick_inter_mode_sb_seg_skip(VP9_COMP *cpi, TileDataEnc *tile_data, 3676 MACROBLOCK *x, RD_COST *rd_cost, 3677 BLOCK_SIZE bsize, 3678 PICK_MODE_CONTEXT *ctx, 3679 int64_t best_rd_so_far) { 3680 VP9_COMMON *const cm = &cpi->common; 3681 MACROBLOCKD *const xd = &x->e_mbd; 3682 MODE_INFO *const mi = xd->mi[0]; 3683 unsigned char segment_id = mi->segment_id; 3684 const int comp_pred = 0; 3685 int i; 3686 int64_t best_pred_diff[REFERENCE_MODES]; 3687 int64_t best_filter_diff[SWITCHABLE_FILTER_CONTEXTS]; 3688 unsigned int ref_costs_single[MAX_REF_FRAMES], ref_costs_comp[MAX_REF_FRAMES]; 3689 vpx_prob comp_mode_p; 3690 INTERP_FILTER best_filter = SWITCHABLE; 3691 int64_t this_rd = INT64_MAX; 3692 int rate2 = 0; 3693 const int64_t distortion2 = 0; 3694 3695 x->skip_encode = cpi->sf.skip_encode_frame && x->q_index < QIDX_SKIP_THRESH; 3696 3697 estimate_ref_frame_costs(cm, xd, segment_id, ref_costs_single, ref_costs_comp, 3698 &comp_mode_p); 3699 3700 for (i = 0; i < MAX_REF_FRAMES; ++i) x->pred_sse[i] = INT_MAX; 3701 for (i = LAST_FRAME; i < MAX_REF_FRAMES; ++i) x->pred_mv_sad[i] = INT_MAX; 3702 3703 rd_cost->rate = INT_MAX; 3704 3705 assert(segfeature_active(&cm->seg, segment_id, SEG_LVL_SKIP)); 3706 3707 mi->mode = ZEROMV; 3708 mi->uv_mode = DC_PRED; 3709 mi->ref_frame[0] = LAST_FRAME; 3710 mi->ref_frame[1] = NONE; 3711 mi->mv[0].as_int = 0; 3712 x->skip = 1; 3713 3714 ctx->sum_y_eobs = 0; 3715 3716 if (cm->interp_filter != BILINEAR) { 3717 best_filter = EIGHTTAP; 3718 if (cm->interp_filter == SWITCHABLE && 3719 x->source_variance >= cpi->sf.disable_filter_search_var_thresh) { 3720 int rs; 3721 int best_rs = INT_MAX; 3722 for (i = 0; i < SWITCHABLE_FILTERS; ++i) { 3723 mi->interp_filter = i; 3724 rs = vp9_get_switchable_rate(cpi, xd); 3725 if (rs < best_rs) { 3726 best_rs = rs; 3727 best_filter = mi->interp_filter; 3728 } 3729 } 3730 } 3731 } 3732 // Set the appropriate filter 3733 if (cm->interp_filter == SWITCHABLE) { 3734 mi->interp_filter = best_filter; 3735 rate2 += vp9_get_switchable_rate(cpi, xd); 3736 } else { 3737 mi->interp_filter = cm->interp_filter; 3738 } 3739 3740 if (cm->reference_mode == REFERENCE_MODE_SELECT) 3741 rate2 += vp9_cost_bit(comp_mode_p, comp_pred); 3742 3743 // Estimate the reference frame signaling cost and add it 3744 // to the rolling cost variable. 3745 rate2 += ref_costs_single[LAST_FRAME]; 3746 this_rd = RDCOST(x->rdmult, x->rddiv, rate2, distortion2); 3747 3748 rd_cost->rate = rate2; 3749 rd_cost->dist = distortion2; 3750 rd_cost->rdcost = this_rd; 3751 3752 if (this_rd >= best_rd_so_far) { 3753 rd_cost->rate = INT_MAX; 3754 rd_cost->rdcost = INT64_MAX; 3755 return; 3756 } 3757 3758 assert((cm->interp_filter == SWITCHABLE) || 3759 (cm->interp_filter == mi->interp_filter)); 3760 3761 vp9_update_rd_thresh_fact(tile_data->thresh_freq_fact, 3762 cpi->sf.adaptive_rd_thresh, bsize, THR_ZEROMV); 3763 3764 vp9_zero(best_pred_diff); 3765 vp9_zero(best_filter_diff); 3766 3767 if (!x->select_tx_size) swap_block_ptr(x, ctx, 1, 0, 0, MAX_MB_PLANE); 3768 store_coding_context(x, ctx, THR_ZEROMV, best_pred_diff, best_filter_diff, 0); 3769 } 3770 3771 void vp9_rd_pick_inter_mode_sub8x8(VP9_COMP *cpi, TileDataEnc *tile_data, 3772 MACROBLOCK *x, int mi_row, int mi_col, 3773 RD_COST *rd_cost, BLOCK_SIZE bsize, 3774 PICK_MODE_CONTEXT *ctx, 3775 int64_t best_rd_so_far) { 3776 VP9_COMMON *const cm = &cpi->common; 3777 RD_OPT *const rd_opt = &cpi->rd; 3778 SPEED_FEATURES *const sf = &cpi->sf; 3779 MACROBLOCKD *const xd = &x->e_mbd; 3780 MODE_INFO *const mi = xd->mi[0]; 3781 const struct segmentation *const seg = &cm->seg; 3782 MV_REFERENCE_FRAME ref_frame, second_ref_frame; 3783 unsigned char segment_id = mi->segment_id; 3784 int comp_pred, i; 3785 int_mv frame_mv[MB_MODE_COUNT][MAX_REF_FRAMES]; 3786 struct buf_2d yv12_mb[4][MAX_MB_PLANE]; 3787 static const int flag_list[4] = { 0, VP9_LAST_FLAG, VP9_GOLD_FLAG, 3788 VP9_ALT_FLAG }; 3789 int64_t best_rd = best_rd_so_far; 3790 int64_t best_yrd = best_rd_so_far; // FIXME(rbultje) more precise 3791 int64_t best_pred_diff[REFERENCE_MODES]; 3792 int64_t best_pred_rd[REFERENCE_MODES]; 3793 int64_t best_filter_rd[SWITCHABLE_FILTER_CONTEXTS]; 3794 int64_t best_filter_diff[SWITCHABLE_FILTER_CONTEXTS]; 3795 MODE_INFO best_mbmode; 3796 int ref_index, best_ref_index = 0; 3797 unsigned int ref_costs_single[MAX_REF_FRAMES], ref_costs_comp[MAX_REF_FRAMES]; 3798 vpx_prob comp_mode_p; 3799 INTERP_FILTER tmp_best_filter = SWITCHABLE; 3800 int rate_uv_intra, rate_uv_tokenonly; 3801 int64_t dist_uv; 3802 int skip_uv; 3803 PREDICTION_MODE mode_uv = DC_PRED; 3804 const int intra_cost_penalty = vp9_get_intra_cost_penalty( 3805 cm->base_qindex, cm->y_dc_delta_q, cm->bit_depth); 3806 int_mv seg_mvs[4][MAX_REF_FRAMES]; 3807 b_mode_info best_bmodes[4]; 3808 int best_skip2 = 0; 3809 int ref_frame_skip_mask[2] = { 0 }; 3810 int64_t mask_filter = 0; 3811 int64_t filter_cache[SWITCHABLE_FILTER_CONTEXTS]; 3812 int internal_active_edge = 3813 vp9_active_edge_sb(cpi, mi_row, mi_col) && vp9_internal_image_edge(cpi); 3814 const int *const rd_thresh_freq_fact = tile_data->thresh_freq_fact[bsize]; 3815 3816 x->skip_encode = sf->skip_encode_frame && x->q_index < QIDX_SKIP_THRESH; 3817 memset(x->zcoeff_blk[TX_4X4], 0, 4); 3818 vp9_zero(best_mbmode); 3819 3820 for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; ++i) filter_cache[i] = INT64_MAX; 3821 3822 for (i = 0; i < 4; i++) { 3823 int j; 3824 for (j = 0; j < MAX_REF_FRAMES; j++) seg_mvs[i][j].as_int = INVALID_MV; 3825 } 3826 3827 estimate_ref_frame_costs(cm, xd, segment_id, ref_costs_single, ref_costs_comp, 3828 &comp_mode_p); 3829 3830 for (i = 0; i < REFERENCE_MODES; ++i) best_pred_rd[i] = INT64_MAX; 3831 for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; i++) 3832 best_filter_rd[i] = INT64_MAX; 3833 rate_uv_intra = INT_MAX; 3834 3835 rd_cost->rate = INT_MAX; 3836 3837 for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ref_frame++) { 3838 if (cpi->ref_frame_flags & flag_list[ref_frame]) { 3839 setup_buffer_inter(cpi, x, ref_frame, bsize, mi_row, mi_col, 3840 frame_mv[NEARESTMV], frame_mv[NEARMV], yv12_mb); 3841 } else { 3842 ref_frame_skip_mask[0] |= (1 << ref_frame); 3843 ref_frame_skip_mask[1] |= SECOND_REF_FRAME_MASK; 3844 } 3845 frame_mv[NEWMV][ref_frame].as_int = INVALID_MV; 3846 frame_mv[ZEROMV][ref_frame].as_int = 0; 3847 } 3848 3849 for (ref_index = 0; ref_index < MAX_REFS; ++ref_index) { 3850 int mode_excluded = 0; 3851 int64_t this_rd = INT64_MAX; 3852 int disable_skip = 0; 3853 int compmode_cost = 0; 3854 int rate2 = 0, rate_y = 0, rate_uv = 0; 3855 int64_t distortion2 = 0, distortion_y = 0, distortion_uv = 0; 3856 int skippable = 0; 3857 int i; 3858 int this_skip2 = 0; 3859 int64_t total_sse = INT_MAX; 3860 int early_term = 0; 3861 struct buf_2d backup_yv12[2][MAX_MB_PLANE]; 3862 3863 ref_frame = vp9_ref_order[ref_index].ref_frame[0]; 3864 second_ref_frame = vp9_ref_order[ref_index].ref_frame[1]; 3865 3866 vp9_zero(x->sum_y_eobs); 3867 3868 #if CONFIG_BETTER_HW_COMPATIBILITY 3869 // forbid 8X4 and 4X8 partitions if any reference frame is scaled. 3870 if (bsize == BLOCK_8X4 || bsize == BLOCK_4X8) { 3871 int ref_scaled = vp9_is_scaled(&cm->frame_refs[ref_frame - 1].sf); 3872 if (second_ref_frame > INTRA_FRAME) 3873 ref_scaled += vp9_is_scaled(&cm->frame_refs[second_ref_frame - 1].sf); 3874 if (ref_scaled) continue; 3875 } 3876 #endif 3877 // Look at the reference frame of the best mode so far and set the 3878 // skip mask to look at a subset of the remaining modes. 3879 if (ref_index > 2 && sf->mode_skip_start < MAX_MODES) { 3880 if (ref_index == 3) { 3881 switch (best_mbmode.ref_frame[0]) { 3882 case INTRA_FRAME: break; 3883 case LAST_FRAME: 3884 ref_frame_skip_mask[0] |= (1 << GOLDEN_FRAME) | (1 << ALTREF_FRAME); 3885 ref_frame_skip_mask[1] |= SECOND_REF_FRAME_MASK; 3886 break; 3887 case GOLDEN_FRAME: 3888 ref_frame_skip_mask[0] |= (1 << LAST_FRAME) | (1 << ALTREF_FRAME); 3889 ref_frame_skip_mask[1] |= SECOND_REF_FRAME_MASK; 3890 break; 3891 case ALTREF_FRAME: 3892 ref_frame_skip_mask[0] |= (1 << GOLDEN_FRAME) | (1 << LAST_FRAME); 3893 break; 3894 case NONE: 3895 case MAX_REF_FRAMES: assert(0 && "Invalid Reference frame"); break; 3896 } 3897 } 3898 } 3899 3900 if ((ref_frame_skip_mask[0] & (1 << ref_frame)) && 3901 (ref_frame_skip_mask[1] & (1 << VPXMAX(0, second_ref_frame)))) 3902 continue; 3903 3904 // Test best rd so far against threshold for trying this mode. 3905 if (!internal_active_edge && 3906 rd_less_than_thresh(best_rd, 3907 rd_opt->threshes[segment_id][bsize][ref_index], 3908 &rd_thresh_freq_fact[ref_index])) 3909 continue; 3910 3911 // This is only used in motion vector unit test. 3912 if (cpi->oxcf.motion_vector_unit_test && ref_frame == INTRA_FRAME) continue; 3913 3914 comp_pred = second_ref_frame > INTRA_FRAME; 3915 if (comp_pred) { 3916 if (!cpi->allow_comp_inter_inter) continue; 3917 if (!(cpi->ref_frame_flags & flag_list[second_ref_frame])) continue; 3918 // Do not allow compound prediction if the segment level reference frame 3919 // feature is in use as in this case there can only be one reference. 3920 if (segfeature_active(seg, segment_id, SEG_LVL_REF_FRAME)) continue; 3921 3922 if ((sf->mode_search_skip_flags & FLAG_SKIP_COMP_BESTINTRA) && 3923 best_mbmode.ref_frame[0] == INTRA_FRAME) 3924 continue; 3925 } 3926 3927 if (comp_pred) 3928 mode_excluded = cm->reference_mode == SINGLE_REFERENCE; 3929 else if (ref_frame != INTRA_FRAME) 3930 mode_excluded = cm->reference_mode == COMPOUND_REFERENCE; 3931 3932 // If the segment reference frame feature is enabled.... 3933 // then do nothing if the current ref frame is not allowed.. 3934 if (segfeature_active(seg, segment_id, SEG_LVL_REF_FRAME) && 3935 get_segdata(seg, segment_id, SEG_LVL_REF_FRAME) != (int)ref_frame) { 3936 continue; 3937 // Disable this drop out case if the ref frame 3938 // segment level feature is enabled for this segment. This is to 3939 // prevent the possibility that we end up unable to pick any mode. 3940 } else if (!segfeature_active(seg, segment_id, SEG_LVL_REF_FRAME)) { 3941 // Only consider ZEROMV/ALTREF_FRAME for alt ref frame, 3942 // unless ARNR filtering is enabled in which case we want 3943 // an unfiltered alternative. We allow near/nearest as well 3944 // because they may result in zero-zero MVs but be cheaper. 3945 if (cpi->rc.is_src_frame_alt_ref && (cpi->oxcf.arnr_max_frames == 0)) 3946 continue; 3947 } 3948 3949 mi->tx_size = TX_4X4; 3950 mi->uv_mode = DC_PRED; 3951 mi->ref_frame[0] = ref_frame; 3952 mi->ref_frame[1] = second_ref_frame; 3953 // Evaluate all sub-pel filters irrespective of whether we can use 3954 // them for this frame. 3955 mi->interp_filter = 3956 cm->interp_filter == SWITCHABLE ? EIGHTTAP : cm->interp_filter; 3957 x->skip = 0; 3958 set_ref_ptrs(cm, xd, ref_frame, second_ref_frame); 3959 3960 // Select prediction reference frames. 3961 for (i = 0; i < MAX_MB_PLANE; i++) { 3962 xd->plane[i].pre[0] = yv12_mb[ref_frame][i]; 3963 if (comp_pred) xd->plane[i].pre[1] = yv12_mb[second_ref_frame][i]; 3964 } 3965 3966 if (ref_frame == INTRA_FRAME) { 3967 int rate; 3968 if (rd_pick_intra_sub_8x8_y_mode(cpi, x, &rate, &rate_y, &distortion_y, 3969 best_rd) >= best_rd) 3970 continue; 3971 rate2 += rate; 3972 rate2 += intra_cost_penalty; 3973 distortion2 += distortion_y; 3974 3975 if (rate_uv_intra == INT_MAX) { 3976 choose_intra_uv_mode(cpi, x, ctx, bsize, TX_4X4, &rate_uv_intra, 3977 &rate_uv_tokenonly, &dist_uv, &skip_uv, &mode_uv); 3978 } 3979 rate2 += rate_uv_intra; 3980 rate_uv = rate_uv_tokenonly; 3981 distortion2 += dist_uv; 3982 distortion_uv = dist_uv; 3983 mi->uv_mode = mode_uv; 3984 } else { 3985 int rate; 3986 int64_t distortion; 3987 int64_t this_rd_thresh; 3988 int64_t tmp_rd, tmp_best_rd = INT64_MAX, tmp_best_rdu = INT64_MAX; 3989 int tmp_best_rate = INT_MAX, tmp_best_ratey = INT_MAX; 3990 int64_t tmp_best_distortion = INT_MAX, tmp_best_sse, uv_sse; 3991 int tmp_best_skippable = 0; 3992 int switchable_filter_index; 3993 int_mv *second_ref = 3994 comp_pred ? &x->mbmi_ext->ref_mvs[second_ref_frame][0] : NULL; 3995 b_mode_info tmp_best_bmodes[16]; 3996 MODE_INFO tmp_best_mbmode; 3997 BEST_SEG_INFO bsi[SWITCHABLE_FILTERS]; 3998 int pred_exists = 0; 3999 int uv_skippable; 4000 4001 YV12_BUFFER_CONFIG *scaled_ref_frame[2] = { NULL, NULL }; 4002 int ref; 4003 4004 for (ref = 0; ref < 2; ++ref) { 4005 scaled_ref_frame[ref] = 4006 mi->ref_frame[ref] > INTRA_FRAME 4007 ? vp9_get_scaled_ref_frame(cpi, mi->ref_frame[ref]) 4008 : NULL; 4009 4010 if (scaled_ref_frame[ref]) { 4011 int i; 4012 // Swap out the reference frame for a version that's been scaled to 4013 // match the resolution of the current frame, allowing the existing 4014 // motion search code to be used without additional modifications. 4015 for (i = 0; i < MAX_MB_PLANE; i++) 4016 backup_yv12[ref][i] = xd->plane[i].pre[ref]; 4017 vp9_setup_pre_planes(xd, ref, scaled_ref_frame[ref], mi_row, mi_col, 4018 NULL); 4019 } 4020 } 4021 4022 this_rd_thresh = (ref_frame == LAST_FRAME) 4023 ? rd_opt->threshes[segment_id][bsize][THR_LAST] 4024 : rd_opt->threshes[segment_id][bsize][THR_ALTR]; 4025 this_rd_thresh = (ref_frame == GOLDEN_FRAME) 4026 ? rd_opt->threshes[segment_id][bsize][THR_GOLD] 4027 : this_rd_thresh; 4028 for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; ++i) 4029 filter_cache[i] = INT64_MAX; 4030 4031 if (cm->interp_filter != BILINEAR) { 4032 tmp_best_filter = EIGHTTAP; 4033 if (x->source_variance < sf->disable_filter_search_var_thresh) { 4034 tmp_best_filter = EIGHTTAP; 4035 } else if (sf->adaptive_pred_interp_filter == 1 && 4036 ctx->pred_interp_filter < SWITCHABLE) { 4037 tmp_best_filter = ctx->pred_interp_filter; 4038 } else if (sf->adaptive_pred_interp_filter == 2) { 4039 tmp_best_filter = ctx->pred_interp_filter < SWITCHABLE 4040 ? ctx->pred_interp_filter 4041 : 0; 4042 } else { 4043 for (switchable_filter_index = 0; 4044 switchable_filter_index < SWITCHABLE_FILTERS; 4045 ++switchable_filter_index) { 4046 int newbest, rs; 4047 int64_t rs_rd; 4048 MB_MODE_INFO_EXT *mbmi_ext = x->mbmi_ext; 4049 mi->interp_filter = switchable_filter_index; 4050 tmp_rd = rd_pick_best_sub8x8_mode( 4051 cpi, x, &mbmi_ext->ref_mvs[ref_frame][0], second_ref, best_yrd, 4052 &rate, &rate_y, &distortion, &skippable, &total_sse, 4053 (int)this_rd_thresh, seg_mvs, bsi, switchable_filter_index, 4054 mi_row, mi_col); 4055 4056 if (tmp_rd == INT64_MAX) continue; 4057 rs = vp9_get_switchable_rate(cpi, xd); 4058 rs_rd = RDCOST(x->rdmult, x->rddiv, rs, 0); 4059 filter_cache[switchable_filter_index] = tmp_rd; 4060 filter_cache[SWITCHABLE_FILTERS] = 4061 VPXMIN(filter_cache[SWITCHABLE_FILTERS], tmp_rd + rs_rd); 4062 if (cm->interp_filter == SWITCHABLE) tmp_rd += rs_rd; 4063 4064 mask_filter = VPXMAX(mask_filter, tmp_rd); 4065 4066 newbest = (tmp_rd < tmp_best_rd); 4067 if (newbest) { 4068 tmp_best_filter = mi->interp_filter; 4069 tmp_best_rd = tmp_rd; 4070 } 4071 if ((newbest && cm->interp_filter == SWITCHABLE) || 4072 (mi->interp_filter == cm->interp_filter && 4073 cm->interp_filter != SWITCHABLE)) { 4074 tmp_best_rdu = tmp_rd; 4075 tmp_best_rate = rate; 4076 tmp_best_ratey = rate_y; 4077 tmp_best_distortion = distortion; 4078 tmp_best_sse = total_sse; 4079 tmp_best_skippable = skippable; 4080 tmp_best_mbmode = *mi; 4081 for (i = 0; i < 4; i++) { 4082 tmp_best_bmodes[i] = xd->mi[0]->bmi[i]; 4083 x->zcoeff_blk[TX_4X4][i] = !x->plane[0].eobs[i]; 4084 x->sum_y_eobs[TX_4X4] += x->plane[0].eobs[i]; 4085 } 4086 pred_exists = 1; 4087 if (switchable_filter_index == 0 && sf->use_rd_breakout && 4088 best_rd < INT64_MAX) { 4089 if (tmp_best_rdu / 2 > best_rd) { 4090 // skip searching the other filters if the first is 4091 // already substantially larger than the best so far 4092 tmp_best_filter = mi->interp_filter; 4093 tmp_best_rdu = INT64_MAX; 4094 break; 4095 } 4096 } 4097 } 4098 } // switchable_filter_index loop 4099 } 4100 } 4101 4102 if (tmp_best_rdu == INT64_MAX && pred_exists) continue; 4103 4104 mi->interp_filter = (cm->interp_filter == SWITCHABLE ? tmp_best_filter 4105 : cm->interp_filter); 4106 if (!pred_exists) { 4107 // Handles the special case when a filter that is not in the 4108 // switchable list (bilinear, 6-tap) is indicated at the frame level 4109 tmp_rd = rd_pick_best_sub8x8_mode( 4110 cpi, x, &x->mbmi_ext->ref_mvs[ref_frame][0], second_ref, best_yrd, 4111 &rate, &rate_y, &distortion, &skippable, &total_sse, 4112 (int)this_rd_thresh, seg_mvs, bsi, 0, mi_row, mi_col); 4113 if (tmp_rd == INT64_MAX) continue; 4114 } else { 4115 total_sse = tmp_best_sse; 4116 rate = tmp_best_rate; 4117 rate_y = tmp_best_ratey; 4118 distortion = tmp_best_distortion; 4119 skippable = tmp_best_skippable; 4120 *mi = tmp_best_mbmode; 4121 for (i = 0; i < 4; i++) xd->mi[0]->bmi[i] = tmp_best_bmodes[i]; 4122 } 4123 4124 rate2 += rate; 4125 distortion2 += distortion; 4126 4127 if (cm->interp_filter == SWITCHABLE) 4128 rate2 += vp9_get_switchable_rate(cpi, xd); 4129 4130 if (!mode_excluded) 4131 mode_excluded = comp_pred ? cm->reference_mode == SINGLE_REFERENCE 4132 : cm->reference_mode == COMPOUND_REFERENCE; 4133 4134 compmode_cost = vp9_cost_bit(comp_mode_p, comp_pred); 4135 4136 tmp_best_rdu = 4137 best_rd - VPXMIN(RDCOST(x->rdmult, x->rddiv, rate2, distortion2), 4138 RDCOST(x->rdmult, x->rddiv, 0, total_sse)); 4139 4140 if (tmp_best_rdu > 0) { 4141 // If even the 'Y' rd value of split is higher than best so far 4142 // then dont bother looking at UV 4143 vp9_build_inter_predictors_sbuv(&x->e_mbd, mi_row, mi_col, BLOCK_8X8); 4144 memset(x->skip_txfm, SKIP_TXFM_NONE, sizeof(x->skip_txfm)); 4145 if (!super_block_uvrd(cpi, x, &rate_uv, &distortion_uv, &uv_skippable, 4146 &uv_sse, BLOCK_8X8, tmp_best_rdu)) { 4147 for (ref = 0; ref < 2; ++ref) { 4148 if (scaled_ref_frame[ref]) { 4149 int i; 4150 for (i = 0; i < MAX_MB_PLANE; ++i) 4151 xd->plane[i].pre[ref] = backup_yv12[ref][i]; 4152 } 4153 } 4154 continue; 4155 } 4156 4157 rate2 += rate_uv; 4158 distortion2 += distortion_uv; 4159 skippable = skippable && uv_skippable; 4160 total_sse += uv_sse; 4161 } 4162 4163 for (ref = 0; ref < 2; ++ref) { 4164 if (scaled_ref_frame[ref]) { 4165 // Restore the prediction frame pointers to their unscaled versions. 4166 int i; 4167 for (i = 0; i < MAX_MB_PLANE; ++i) 4168 xd->plane[i].pre[ref] = backup_yv12[ref][i]; 4169 } 4170 } 4171 } 4172 4173 if (cm->reference_mode == REFERENCE_MODE_SELECT) rate2 += compmode_cost; 4174 4175 // Estimate the reference frame signaling cost and add it 4176 // to the rolling cost variable. 4177 if (second_ref_frame > INTRA_FRAME) { 4178 rate2 += ref_costs_comp[ref_frame]; 4179 } else { 4180 rate2 += ref_costs_single[ref_frame]; 4181 } 4182 4183 if (!disable_skip) { 4184 const vpx_prob skip_prob = vp9_get_skip_prob(cm, xd); 4185 const int skip_cost0 = vp9_cost_bit(skip_prob, 0); 4186 const int skip_cost1 = vp9_cost_bit(skip_prob, 1); 4187 4188 // Skip is never coded at the segment level for sub8x8 blocks and instead 4189 // always coded in the bitstream at the mode info level. 4190 if (ref_frame != INTRA_FRAME && !xd->lossless) { 4191 if (RDCOST(x->rdmult, x->rddiv, rate_y + rate_uv + skip_cost0, 4192 distortion2) < 4193 RDCOST(x->rdmult, x->rddiv, skip_cost1, total_sse)) { 4194 // Add in the cost of the no skip flag. 4195 rate2 += skip_cost0; 4196 } else { 4197 // FIXME(rbultje) make this work for splitmv also 4198 rate2 += skip_cost1; 4199 distortion2 = total_sse; 4200 assert(total_sse >= 0); 4201 rate2 -= (rate_y + rate_uv); 4202 rate_y = 0; 4203 rate_uv = 0; 4204 this_skip2 = 1; 4205 } 4206 } else { 4207 // Add in the cost of the no skip flag. 4208 rate2 += skip_cost0; 4209 } 4210 4211 // Calculate the final RD estimate for this mode. 4212 this_rd = RDCOST(x->rdmult, x->rddiv, rate2, distortion2); 4213 } 4214 4215 if (!disable_skip && ref_frame == INTRA_FRAME) { 4216 for (i = 0; i < REFERENCE_MODES; ++i) 4217 best_pred_rd[i] = VPXMIN(best_pred_rd[i], this_rd); 4218 for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; i++) 4219 best_filter_rd[i] = VPXMIN(best_filter_rd[i], this_rd); 4220 } 4221 4222 // Did this mode help.. i.e. is it the new best mode 4223 if (this_rd < best_rd || x->skip) { 4224 if (!mode_excluded) { 4225 int max_plane = MAX_MB_PLANE; 4226 // Note index of best mode so far 4227 best_ref_index = ref_index; 4228 4229 if (ref_frame == INTRA_FRAME) { 4230 /* required for left and above block mv */ 4231 mi->mv[0].as_int = 0; 4232 max_plane = 1; 4233 // Initialize interp_filter here so we do not have to check for 4234 // inter block modes in get_pred_context_switchable_interp() 4235 mi->interp_filter = SWITCHABLE_FILTERS; 4236 } 4237 4238 rd_cost->rate = rate2; 4239 rd_cost->dist = distortion2; 4240 rd_cost->rdcost = this_rd; 4241 best_rd = this_rd; 4242 best_yrd = 4243 best_rd - RDCOST(x->rdmult, x->rddiv, rate_uv, distortion_uv); 4244 best_mbmode = *mi; 4245 best_skip2 = this_skip2; 4246 if (!x->select_tx_size) swap_block_ptr(x, ctx, 1, 0, 0, max_plane); 4247 memcpy(ctx->zcoeff_blk, x->zcoeff_blk[TX_4X4], 4248 sizeof(ctx->zcoeff_blk[0]) * ctx->num_4x4_blk); 4249 ctx->sum_y_eobs = x->sum_y_eobs[TX_4X4]; 4250 4251 for (i = 0; i < 4; i++) best_bmodes[i] = xd->mi[0]->bmi[i]; 4252 4253 // TODO(debargha): enhance this test with a better distortion prediction 4254 // based on qp, activity mask and history 4255 if ((sf->mode_search_skip_flags & FLAG_EARLY_TERMINATE) && 4256 (ref_index > MIN_EARLY_TERM_INDEX)) { 4257 int qstep = xd->plane[0].dequant[1]; 4258 // TODO(debargha): Enhance this by specializing for each mode_index 4259 int scale = 4; 4260 #if CONFIG_VP9_HIGHBITDEPTH 4261 if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { 4262 qstep >>= (xd->bd - 8); 4263 } 4264 #endif // CONFIG_VP9_HIGHBITDEPTH 4265 if (x->source_variance < UINT_MAX) { 4266 const int var_adjust = (x->source_variance < 16); 4267 scale -= var_adjust; 4268 } 4269 if (ref_frame > INTRA_FRAME && distortion2 * scale < qstep * qstep) { 4270 early_term = 1; 4271 } 4272 } 4273 } 4274 } 4275 4276 /* keep record of best compound/single-only prediction */ 4277 if (!disable_skip && ref_frame != INTRA_FRAME) { 4278 int64_t single_rd, hybrid_rd, single_rate, hybrid_rate; 4279 4280 if (cm->reference_mode == REFERENCE_MODE_SELECT) { 4281 single_rate = rate2 - compmode_cost; 4282 hybrid_rate = rate2; 4283 } else { 4284 single_rate = rate2; 4285 hybrid_rate = rate2 + compmode_cost; 4286 } 4287 4288 single_rd = RDCOST(x->rdmult, x->rddiv, single_rate, distortion2); 4289 hybrid_rd = RDCOST(x->rdmult, x->rddiv, hybrid_rate, distortion2); 4290 4291 if (!comp_pred && single_rd < best_pred_rd[SINGLE_REFERENCE]) 4292 best_pred_rd[SINGLE_REFERENCE] = single_rd; 4293 else if (comp_pred && single_rd < best_pred_rd[COMPOUND_REFERENCE]) 4294 best_pred_rd[COMPOUND_REFERENCE] = single_rd; 4295 4296 if (hybrid_rd < best_pred_rd[REFERENCE_MODE_SELECT]) 4297 best_pred_rd[REFERENCE_MODE_SELECT] = hybrid_rd; 4298 } 4299 4300 /* keep record of best filter type */ 4301 if (!mode_excluded && !disable_skip && ref_frame != INTRA_FRAME && 4302 cm->interp_filter != BILINEAR) { 4303 int64_t ref = 4304 filter_cache[cm->interp_filter == SWITCHABLE ? SWITCHABLE_FILTERS 4305 : cm->interp_filter]; 4306 int64_t adj_rd; 4307 for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; i++) { 4308 if (ref == INT64_MAX) 4309 adj_rd = 0; 4310 else if (filter_cache[i] == INT64_MAX) 4311 // when early termination is triggered, the encoder does not have 4312 // access to the rate-distortion cost. it only knows that the cost 4313 // should be above the maximum valid value. hence it takes the known 4314 // maximum plus an arbitrary constant as the rate-distortion cost. 4315 adj_rd = mask_filter - ref + 10; 4316 else 4317 adj_rd = filter_cache[i] - ref; 4318 4319 adj_rd += this_rd; 4320 best_filter_rd[i] = VPXMIN(best_filter_rd[i], adj_rd); 4321 } 4322 } 4323 4324 if (early_term) break; 4325 4326 if (x->skip && !comp_pred) break; 4327 } 4328 4329 if (best_rd >= best_rd_so_far) { 4330 rd_cost->rate = INT_MAX; 4331 rd_cost->rdcost = INT64_MAX; 4332 return; 4333 } 4334 4335 // If we used an estimate for the uv intra rd in the loop above... 4336 if (sf->use_uv_intra_rd_estimate) { 4337 // Do Intra UV best rd mode selection if best mode choice above was intra. 4338 if (best_mbmode.ref_frame[0] == INTRA_FRAME) { 4339 *mi = best_mbmode; 4340 rd_pick_intra_sbuv_mode(cpi, x, ctx, &rate_uv_intra, &rate_uv_tokenonly, 4341 &dist_uv, &skip_uv, BLOCK_8X8, TX_4X4); 4342 } 4343 } 4344 4345 if (best_rd == INT64_MAX) { 4346 rd_cost->rate = INT_MAX; 4347 rd_cost->dist = INT64_MAX; 4348 rd_cost->rdcost = INT64_MAX; 4349 return; 4350 } 4351 4352 assert((cm->interp_filter == SWITCHABLE) || 4353 (cm->interp_filter == best_mbmode.interp_filter) || 4354 !is_inter_block(&best_mbmode)); 4355 4356 vp9_update_rd_thresh_fact(tile_data->thresh_freq_fact, sf->adaptive_rd_thresh, 4357 bsize, best_ref_index); 4358 4359 // macroblock modes 4360 *mi = best_mbmode; 4361 x->skip |= best_skip2; 4362 if (!is_inter_block(&best_mbmode)) { 4363 for (i = 0; i < 4; i++) xd->mi[0]->bmi[i].as_mode = best_bmodes[i].as_mode; 4364 } else { 4365 for (i = 0; i < 4; ++i) 4366 memcpy(&xd->mi[0]->bmi[i], &best_bmodes[i], sizeof(b_mode_info)); 4367 4368 mi->mv[0].as_int = xd->mi[0]->bmi[3].as_mv[0].as_int; 4369 mi->mv[1].as_int = xd->mi[0]->bmi[3].as_mv[1].as_int; 4370 } 4371 4372 for (i = 0; i < REFERENCE_MODES; ++i) { 4373 if (best_pred_rd[i] == INT64_MAX) 4374 best_pred_diff[i] = INT_MIN; 4375 else 4376 best_pred_diff[i] = best_rd - best_pred_rd[i]; 4377 } 4378 4379 if (!x->skip) { 4380 for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; i++) { 4381 if (best_filter_rd[i] == INT64_MAX) 4382 best_filter_diff[i] = 0; 4383 else 4384 best_filter_diff[i] = best_rd - best_filter_rd[i]; 4385 } 4386 if (cm->interp_filter == SWITCHABLE) 4387 assert(best_filter_diff[SWITCHABLE_FILTERS] == 0); 4388 } else { 4389 vp9_zero(best_filter_diff); 4390 } 4391 4392 store_coding_context(x, ctx, best_ref_index, best_pred_diff, best_filter_diff, 4393 0); 4394 } 4395