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, 0, 0, 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, 0, 0, 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->inv_txfm_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. Because this is handled here, the quantization 734 // does not need to do it. 735 x->plane[plane].eobs[block] = 0; 736 sse = x->bsse[(plane << 2) + (block >> (tx_size << 1))] << 4; 737 dist = sse; 738 } 739 } else { 740 // full forward transform and quantization 741 vp9_xform_quant(x, plane, block, blk_row, blk_col, plane_bsize, tx_size); 742 if (x->block_qcoeff_opt) 743 vp9_optimize_b(x, plane, block, tx_size, coeff_ctx); 744 dist_block(args->cpi, x, plane, plane_bsize, block, blk_row, blk_col, 745 tx_size, &dist, &sse); 746 } 747 748 rd = RDCOST(x->rdmult, x->rddiv, 0, dist); 749 if (args->this_rd + rd > args->best_rd) { 750 args->exit_early = 1; 751 return; 752 } 753 754 rate = rate_block(plane, block, tx_size, coeff_ctx, args); 755 args->t_above[blk_col] = (x->plane[plane].eobs[block] > 0) ? 1 : 0; 756 args->t_left[blk_row] = (x->plane[plane].eobs[block] > 0) ? 1 : 0; 757 rd1 = RDCOST(x->rdmult, x->rddiv, rate, dist); 758 rd2 = RDCOST(x->rdmult, x->rddiv, 0, sse); 759 760 // TODO(jingning): temporarily enabled only for luma component 761 rd = VPXMIN(rd1, rd2); 762 if (plane == 0) { 763 x->zcoeff_blk[tx_size][block] = 764 !x->plane[plane].eobs[block] || (rd1 > rd2 && !xd->lossless); 765 x->sum_y_eobs[tx_size] += x->plane[plane].eobs[block]; 766 } 767 768 args->this_rate += rate; 769 args->this_dist += dist; 770 args->this_sse += sse; 771 args->this_rd += rd; 772 773 if (args->this_rd > args->best_rd) { 774 args->exit_early = 1; 775 return; 776 } 777 778 args->skippable &= !x->plane[plane].eobs[block]; 779 } 780 781 static void txfm_rd_in_plane(const VP9_COMP *cpi, MACROBLOCK *x, int *rate, 782 int64_t *distortion, int *skippable, int64_t *sse, 783 int64_t ref_best_rd, int plane, BLOCK_SIZE bsize, 784 TX_SIZE tx_size, int use_fast_coef_casting) { 785 MACROBLOCKD *const xd = &x->e_mbd; 786 const struct macroblockd_plane *const pd = &xd->plane[plane]; 787 struct rdcost_block_args args; 788 vp9_zero(args); 789 args.cpi = cpi; 790 args.x = x; 791 args.best_rd = ref_best_rd; 792 args.use_fast_coef_costing = use_fast_coef_casting; 793 args.skippable = 1; 794 795 if (plane == 0) xd->mi[0]->tx_size = tx_size; 796 797 vp9_get_entropy_contexts(bsize, tx_size, pd, args.t_above, args.t_left); 798 799 args.so = get_scan(xd, tx_size, get_plane_type(plane), 0); 800 801 vp9_foreach_transformed_block_in_plane(xd, bsize, plane, block_rd_txfm, 802 &args); 803 if (args.exit_early) { 804 *rate = INT_MAX; 805 *distortion = INT64_MAX; 806 *sse = INT64_MAX; 807 *skippable = 0; 808 } else { 809 *distortion = args.this_dist; 810 *rate = args.this_rate; 811 *sse = args.this_sse; 812 *skippable = args.skippable; 813 } 814 } 815 816 static void choose_largest_tx_size(VP9_COMP *cpi, MACROBLOCK *x, int *rate, 817 int64_t *distortion, int *skip, int64_t *sse, 818 int64_t ref_best_rd, BLOCK_SIZE bs) { 819 const TX_SIZE max_tx_size = max_txsize_lookup[bs]; 820 VP9_COMMON *const cm = &cpi->common; 821 const TX_SIZE largest_tx_size = tx_mode_to_biggest_tx_size[cm->tx_mode]; 822 MACROBLOCKD *const xd = &x->e_mbd; 823 MODE_INFO *const mi = xd->mi[0]; 824 825 mi->tx_size = VPXMIN(max_tx_size, largest_tx_size); 826 827 txfm_rd_in_plane(cpi, x, rate, distortion, skip, sse, ref_best_rd, 0, bs, 828 mi->tx_size, cpi->sf.use_fast_coef_costing); 829 } 830 831 static void choose_tx_size_from_rd(VP9_COMP *cpi, MACROBLOCK *x, int *rate, 832 int64_t *distortion, int *skip, 833 int64_t *psse, int64_t ref_best_rd, 834 BLOCK_SIZE bs) { 835 const TX_SIZE max_tx_size = max_txsize_lookup[bs]; 836 VP9_COMMON *const cm = &cpi->common; 837 MACROBLOCKD *const xd = &x->e_mbd; 838 MODE_INFO *const mi = xd->mi[0]; 839 vpx_prob skip_prob = vp9_get_skip_prob(cm, xd); 840 int r[TX_SIZES][2], s[TX_SIZES]; 841 int64_t d[TX_SIZES], sse[TX_SIZES]; 842 int64_t rd[TX_SIZES][2] = { { INT64_MAX, INT64_MAX }, 843 { INT64_MAX, INT64_MAX }, 844 { INT64_MAX, INT64_MAX }, 845 { INT64_MAX, INT64_MAX } }; 846 int n, m; 847 int s0, s1; 848 int64_t best_rd = INT64_MAX; 849 TX_SIZE best_tx = max_tx_size; 850 int start_tx, end_tx; 851 852 const vpx_prob *tx_probs = get_tx_probs2(max_tx_size, xd, &cm->fc->tx_probs); 853 assert(skip_prob > 0); 854 s0 = vp9_cost_bit(skip_prob, 0); 855 s1 = vp9_cost_bit(skip_prob, 1); 856 857 if (cm->tx_mode == TX_MODE_SELECT) { 858 start_tx = max_tx_size; 859 end_tx = 0; 860 } else { 861 TX_SIZE chosen_tx_size = 862 VPXMIN(max_tx_size, tx_mode_to_biggest_tx_size[cm->tx_mode]); 863 start_tx = chosen_tx_size; 864 end_tx = chosen_tx_size; 865 } 866 867 for (n = start_tx; n >= end_tx; n--) { 868 int r_tx_size = 0; 869 for (m = 0; m <= n - (n == (int)max_tx_size); m++) { 870 if (m == n) 871 r_tx_size += vp9_cost_zero(tx_probs[m]); 872 else 873 r_tx_size += vp9_cost_one(tx_probs[m]); 874 } 875 txfm_rd_in_plane(cpi, x, &r[n][0], &d[n], &s[n], &sse[n], ref_best_rd, 0, 876 bs, n, cpi->sf.use_fast_coef_costing); 877 r[n][1] = r[n][0]; 878 if (r[n][0] < INT_MAX) { 879 r[n][1] += r_tx_size; 880 } 881 if (d[n] == INT64_MAX || r[n][0] == INT_MAX) { 882 rd[n][0] = rd[n][1] = INT64_MAX; 883 } else if (s[n]) { 884 if (is_inter_block(mi)) { 885 rd[n][0] = rd[n][1] = RDCOST(x->rdmult, x->rddiv, s1, sse[n]); 886 r[n][1] -= r_tx_size; 887 } else { 888 rd[n][0] = RDCOST(x->rdmult, x->rddiv, s1, sse[n]); 889 rd[n][1] = RDCOST(x->rdmult, x->rddiv, s1 + r_tx_size, sse[n]); 890 } 891 } else { 892 rd[n][0] = RDCOST(x->rdmult, x->rddiv, r[n][0] + s0, d[n]); 893 rd[n][1] = RDCOST(x->rdmult, x->rddiv, r[n][1] + s0, d[n]); 894 } 895 896 if (is_inter_block(mi) && !xd->lossless && !s[n] && sse[n] != INT64_MAX) { 897 rd[n][0] = VPXMIN(rd[n][0], RDCOST(x->rdmult, x->rddiv, s1, sse[n])); 898 rd[n][1] = VPXMIN(rd[n][1], RDCOST(x->rdmult, x->rddiv, s1, sse[n])); 899 } 900 901 // Early termination in transform size search. 902 if (cpi->sf.tx_size_search_breakout && 903 (rd[n][1] == INT64_MAX || 904 (n < (int)max_tx_size && rd[n][1] > rd[n + 1][1]) || s[n] == 1)) 905 break; 906 907 if (rd[n][1] < best_rd) { 908 best_tx = n; 909 best_rd = rd[n][1]; 910 } 911 } 912 mi->tx_size = best_tx; 913 914 *distortion = d[mi->tx_size]; 915 *rate = r[mi->tx_size][cm->tx_mode == TX_MODE_SELECT]; 916 *skip = s[mi->tx_size]; 917 *psse = sse[mi->tx_size]; 918 } 919 920 static void super_block_yrd(VP9_COMP *cpi, MACROBLOCK *x, int *rate, 921 int64_t *distortion, int *skip, int64_t *psse, 922 BLOCK_SIZE bs, int64_t ref_best_rd) { 923 MACROBLOCKD *xd = &x->e_mbd; 924 int64_t sse; 925 int64_t *ret_sse = psse ? psse : &sse; 926 927 assert(bs == xd->mi[0]->sb_type); 928 929 if (cpi->sf.tx_size_search_method == USE_LARGESTALL || xd->lossless) { 930 choose_largest_tx_size(cpi, x, rate, distortion, skip, ret_sse, ref_best_rd, 931 bs); 932 } else { 933 choose_tx_size_from_rd(cpi, x, rate, distortion, skip, ret_sse, ref_best_rd, 934 bs); 935 } 936 } 937 938 static int conditional_skipintra(PREDICTION_MODE mode, 939 PREDICTION_MODE best_intra_mode) { 940 if (mode == D117_PRED && best_intra_mode != V_PRED && 941 best_intra_mode != D135_PRED) 942 return 1; 943 if (mode == D63_PRED && best_intra_mode != V_PRED && 944 best_intra_mode != D45_PRED) 945 return 1; 946 if (mode == D207_PRED && best_intra_mode != H_PRED && 947 best_intra_mode != D45_PRED) 948 return 1; 949 if (mode == D153_PRED && best_intra_mode != H_PRED && 950 best_intra_mode != D135_PRED) 951 return 1; 952 return 0; 953 } 954 955 static int64_t rd_pick_intra4x4block(VP9_COMP *cpi, MACROBLOCK *x, int row, 956 int col, PREDICTION_MODE *best_mode, 957 const int *bmode_costs, ENTROPY_CONTEXT *a, 958 ENTROPY_CONTEXT *l, int *bestrate, 959 int *bestratey, int64_t *bestdistortion, 960 BLOCK_SIZE bsize, int64_t rd_thresh) { 961 PREDICTION_MODE mode; 962 MACROBLOCKD *const xd = &x->e_mbd; 963 int64_t best_rd = rd_thresh; 964 struct macroblock_plane *p = &x->plane[0]; 965 struct macroblockd_plane *pd = &xd->plane[0]; 966 const int src_stride = p->src.stride; 967 const int dst_stride = pd->dst.stride; 968 const uint8_t *src_init = &p->src.buf[row * 4 * src_stride + col * 4]; 969 uint8_t *dst_init = &pd->dst.buf[row * 4 * src_stride + col * 4]; 970 ENTROPY_CONTEXT ta[2], tempa[2]; 971 ENTROPY_CONTEXT tl[2], templ[2]; 972 const int num_4x4_blocks_wide = num_4x4_blocks_wide_lookup[bsize]; 973 const int num_4x4_blocks_high = num_4x4_blocks_high_lookup[bsize]; 974 int idx, idy; 975 uint8_t best_dst[8 * 8]; 976 #if CONFIG_VP9_HIGHBITDEPTH 977 uint16_t best_dst16[8 * 8]; 978 #endif 979 memcpy(ta, a, num_4x4_blocks_wide * sizeof(a[0])); 980 memcpy(tl, l, num_4x4_blocks_high * sizeof(l[0])); 981 982 xd->mi[0]->tx_size = TX_4X4; 983 984 #if CONFIG_VP9_HIGHBITDEPTH 985 if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { 986 for (mode = DC_PRED; mode <= TM_PRED; ++mode) { 987 int64_t this_rd; 988 int ratey = 0; 989 int64_t distortion = 0; 990 int rate = bmode_costs[mode]; 991 992 if (!(cpi->sf.intra_y_mode_mask[TX_4X4] & (1 << mode))) continue; 993 994 // Only do the oblique modes if the best so far is 995 // one of the neighboring directional modes 996 if (cpi->sf.mode_search_skip_flags & FLAG_SKIP_INTRA_DIRMISMATCH) { 997 if (conditional_skipintra(mode, *best_mode)) continue; 998 } 999 1000 memcpy(tempa, ta, num_4x4_blocks_wide * sizeof(ta[0])); 1001 memcpy(templ, tl, num_4x4_blocks_high * sizeof(tl[0])); 1002 1003 for (idy = 0; idy < num_4x4_blocks_high; ++idy) { 1004 for (idx = 0; idx < num_4x4_blocks_wide; ++idx) { 1005 const int block = (row + idy) * 2 + (col + idx); 1006 const uint8_t *const src = &src_init[idx * 4 + idy * 4 * src_stride]; 1007 uint8_t *const dst = &dst_init[idx * 4 + idy * 4 * dst_stride]; 1008 uint16_t *const dst16 = CONVERT_TO_SHORTPTR(dst); 1009 int16_t *const src_diff = 1010 vp9_raster_block_offset_int16(BLOCK_8X8, block, p->src_diff); 1011 tran_low_t *const coeff = BLOCK_OFFSET(x->plane[0].coeff, block); 1012 xd->mi[0]->bmi[block].as_mode = mode; 1013 vp9_predict_intra_block(xd, 1, TX_4X4, mode, 1014 x->skip_encode ? src : dst, 1015 x->skip_encode ? src_stride : dst_stride, dst, 1016 dst_stride, col + idx, row + idy, 0); 1017 vpx_highbd_subtract_block(4, 4, src_diff, 8, src, src_stride, dst, 1018 dst_stride, xd->bd); 1019 if (xd->lossless) { 1020 const scan_order *so = &vp9_default_scan_orders[TX_4X4]; 1021 const int coeff_ctx = 1022 combine_entropy_contexts(tempa[idx], templ[idy]); 1023 vp9_highbd_fwht4x4(src_diff, coeff, 8); 1024 vp9_regular_quantize_b_4x4(x, 0, block, so->scan, so->iscan); 1025 ratey += cost_coeffs(x, 0, block, TX_4X4, coeff_ctx, so->scan, 1026 so->neighbors, cpi->sf.use_fast_coef_costing); 1027 tempa[idx] = templ[idy] = (x->plane[0].eobs[block] > 0 ? 1 : 0); 1028 if (RDCOST(x->rdmult, x->rddiv, ratey, distortion) >= best_rd) 1029 goto next_highbd; 1030 vp9_highbd_iwht4x4_add(BLOCK_OFFSET(pd->dqcoeff, block), dst16, 1031 dst_stride, p->eobs[block], xd->bd); 1032 } else { 1033 int64_t unused; 1034 const TX_TYPE tx_type = get_tx_type_4x4(PLANE_TYPE_Y, xd, block); 1035 const scan_order *so = &vp9_scan_orders[TX_4X4][tx_type]; 1036 const int coeff_ctx = 1037 combine_entropy_contexts(tempa[idx], templ[idy]); 1038 if (tx_type == DCT_DCT) 1039 vpx_highbd_fdct4x4(src_diff, coeff, 8); 1040 else 1041 vp9_highbd_fht4x4(src_diff, coeff, 8, tx_type); 1042 vp9_regular_quantize_b_4x4(x, 0, block, so->scan, so->iscan); 1043 ratey += cost_coeffs(x, 0, block, TX_4X4, coeff_ctx, so->scan, 1044 so->neighbors, cpi->sf.use_fast_coef_costing); 1045 distortion += vp9_highbd_block_error_dispatch( 1046 coeff, BLOCK_OFFSET(pd->dqcoeff, block), 16, 1047 &unused, xd->bd) >> 1048 2; 1049 tempa[idx] = templ[idy] = (x->plane[0].eobs[block] > 0 ? 1 : 0); 1050 if (RDCOST(x->rdmult, x->rddiv, ratey, distortion) >= best_rd) 1051 goto next_highbd; 1052 vp9_highbd_iht4x4_add(tx_type, BLOCK_OFFSET(pd->dqcoeff, block), 1053 dst16, dst_stride, p->eobs[block], xd->bd); 1054 } 1055 } 1056 } 1057 1058 rate += ratey; 1059 this_rd = RDCOST(x->rdmult, x->rddiv, rate, distortion); 1060 1061 if (this_rd < best_rd) { 1062 *bestrate = rate; 1063 *bestratey = ratey; 1064 *bestdistortion = distortion; 1065 best_rd = this_rd; 1066 *best_mode = mode; 1067 memcpy(a, tempa, num_4x4_blocks_wide * sizeof(tempa[0])); 1068 memcpy(l, templ, num_4x4_blocks_high * sizeof(templ[0])); 1069 for (idy = 0; idy < num_4x4_blocks_high * 4; ++idy) { 1070 memcpy(best_dst16 + idy * 8, 1071 CONVERT_TO_SHORTPTR(dst_init + idy * dst_stride), 1072 num_4x4_blocks_wide * 4 * sizeof(uint16_t)); 1073 } 1074 } 1075 next_highbd : {} 1076 } 1077 if (best_rd >= rd_thresh || x->skip_encode) return best_rd; 1078 1079 for (idy = 0; idy < num_4x4_blocks_high * 4; ++idy) { 1080 memcpy(CONVERT_TO_SHORTPTR(dst_init + idy * dst_stride), 1081 best_dst16 + idy * 8, num_4x4_blocks_wide * 4 * sizeof(uint16_t)); 1082 } 1083 1084 return best_rd; 1085 } 1086 #endif // CONFIG_VP9_HIGHBITDEPTH 1087 1088 for (mode = DC_PRED; mode <= TM_PRED; ++mode) { 1089 int64_t this_rd; 1090 int ratey = 0; 1091 int64_t distortion = 0; 1092 int rate = bmode_costs[mode]; 1093 1094 if (!(cpi->sf.intra_y_mode_mask[TX_4X4] & (1 << mode))) continue; 1095 1096 // Only do the oblique modes if the best so far is 1097 // one of the neighboring directional modes 1098 if (cpi->sf.mode_search_skip_flags & FLAG_SKIP_INTRA_DIRMISMATCH) { 1099 if (conditional_skipintra(mode, *best_mode)) continue; 1100 } 1101 1102 memcpy(tempa, ta, num_4x4_blocks_wide * sizeof(ta[0])); 1103 memcpy(templ, tl, num_4x4_blocks_high * sizeof(tl[0])); 1104 1105 for (idy = 0; idy < num_4x4_blocks_high; ++idy) { 1106 for (idx = 0; idx < num_4x4_blocks_wide; ++idx) { 1107 const int block = (row + idy) * 2 + (col + idx); 1108 const uint8_t *const src = &src_init[idx * 4 + idy * 4 * src_stride]; 1109 uint8_t *const dst = &dst_init[idx * 4 + idy * 4 * dst_stride]; 1110 int16_t *const src_diff = 1111 vp9_raster_block_offset_int16(BLOCK_8X8, block, p->src_diff); 1112 tran_low_t *const coeff = BLOCK_OFFSET(x->plane[0].coeff, block); 1113 xd->mi[0]->bmi[block].as_mode = mode; 1114 vp9_predict_intra_block(xd, 1, TX_4X4, mode, x->skip_encode ? src : dst, 1115 x->skip_encode ? src_stride : dst_stride, dst, 1116 dst_stride, col + idx, row + idy, 0); 1117 vpx_subtract_block(4, 4, src_diff, 8, src, src_stride, dst, dst_stride); 1118 1119 if (xd->lossless) { 1120 const scan_order *so = &vp9_default_scan_orders[TX_4X4]; 1121 const int coeff_ctx = 1122 combine_entropy_contexts(tempa[idx], templ[idy]); 1123 vp9_fwht4x4(src_diff, coeff, 8); 1124 vp9_regular_quantize_b_4x4(x, 0, block, so->scan, so->iscan); 1125 ratey += cost_coeffs(x, 0, block, TX_4X4, coeff_ctx, so->scan, 1126 so->neighbors, cpi->sf.use_fast_coef_costing); 1127 tempa[idx] = templ[idy] = (x->plane[0].eobs[block] > 0) ? 1 : 0; 1128 if (RDCOST(x->rdmult, x->rddiv, ratey, distortion) >= best_rd) 1129 goto next; 1130 vp9_iwht4x4_add(BLOCK_OFFSET(pd->dqcoeff, block), dst, dst_stride, 1131 p->eobs[block]); 1132 } else { 1133 int64_t unused; 1134 const TX_TYPE tx_type = get_tx_type_4x4(PLANE_TYPE_Y, xd, block); 1135 const scan_order *so = &vp9_scan_orders[TX_4X4][tx_type]; 1136 const int coeff_ctx = 1137 combine_entropy_contexts(tempa[idx], templ[idy]); 1138 vp9_fht4x4(src_diff, coeff, 8, tx_type); 1139 vp9_regular_quantize_b_4x4(x, 0, block, so->scan, so->iscan); 1140 ratey += cost_coeffs(x, 0, block, TX_4X4, coeff_ctx, so->scan, 1141 so->neighbors, cpi->sf.use_fast_coef_costing); 1142 tempa[idx] = templ[idy] = (x->plane[0].eobs[block] > 0) ? 1 : 0; 1143 distortion += vp9_block_error(coeff, BLOCK_OFFSET(pd->dqcoeff, block), 1144 16, &unused) >> 1145 2; 1146 if (RDCOST(x->rdmult, x->rddiv, ratey, distortion) >= best_rd) 1147 goto next; 1148 vp9_iht4x4_add(tx_type, BLOCK_OFFSET(pd->dqcoeff, block), dst, 1149 dst_stride, p->eobs[block]); 1150 } 1151 } 1152 } 1153 1154 rate += ratey; 1155 this_rd = RDCOST(x->rdmult, x->rddiv, rate, distortion); 1156 1157 if (this_rd < best_rd) { 1158 *bestrate = rate; 1159 *bestratey = ratey; 1160 *bestdistortion = distortion; 1161 best_rd = this_rd; 1162 *best_mode = mode; 1163 memcpy(a, tempa, num_4x4_blocks_wide * sizeof(tempa[0])); 1164 memcpy(l, templ, num_4x4_blocks_high * sizeof(templ[0])); 1165 for (idy = 0; idy < num_4x4_blocks_high * 4; ++idy) 1166 memcpy(best_dst + idy * 8, dst_init + idy * dst_stride, 1167 num_4x4_blocks_wide * 4); 1168 } 1169 next : {} 1170 } 1171 1172 if (best_rd >= rd_thresh || x->skip_encode) return best_rd; 1173 1174 for (idy = 0; idy < num_4x4_blocks_high * 4; ++idy) 1175 memcpy(dst_init + idy * dst_stride, best_dst + idy * 8, 1176 num_4x4_blocks_wide * 4); 1177 1178 return best_rd; 1179 } 1180 1181 static int64_t rd_pick_intra_sub_8x8_y_mode(VP9_COMP *cpi, MACROBLOCK *mb, 1182 int *rate, int *rate_y, 1183 int64_t *distortion, 1184 int64_t best_rd) { 1185 int i, j; 1186 const MACROBLOCKD *const xd = &mb->e_mbd; 1187 MODE_INFO *const mic = xd->mi[0]; 1188 const MODE_INFO *above_mi = xd->above_mi; 1189 const MODE_INFO *left_mi = xd->left_mi; 1190 const BLOCK_SIZE bsize = xd->mi[0]->sb_type; 1191 const int num_4x4_blocks_wide = num_4x4_blocks_wide_lookup[bsize]; 1192 const int num_4x4_blocks_high = num_4x4_blocks_high_lookup[bsize]; 1193 int idx, idy; 1194 int cost = 0; 1195 int64_t total_distortion = 0; 1196 int tot_rate_y = 0; 1197 int64_t total_rd = 0; 1198 const int *bmode_costs = cpi->mbmode_cost; 1199 1200 // Pick modes for each sub-block (of size 4x4, 4x8, or 8x4) in an 8x8 block. 1201 for (idy = 0; idy < 2; idy += num_4x4_blocks_high) { 1202 for (idx = 0; idx < 2; idx += num_4x4_blocks_wide) { 1203 PREDICTION_MODE best_mode = DC_PRED; 1204 int r = INT_MAX, ry = INT_MAX; 1205 int64_t d = INT64_MAX, this_rd = INT64_MAX; 1206 i = idy * 2 + idx; 1207 if (cpi->common.frame_type == KEY_FRAME) { 1208 const PREDICTION_MODE A = vp9_above_block_mode(mic, above_mi, i); 1209 const PREDICTION_MODE L = vp9_left_block_mode(mic, left_mi, i); 1210 1211 bmode_costs = cpi->y_mode_costs[A][L]; 1212 } 1213 1214 this_rd = rd_pick_intra4x4block( 1215 cpi, mb, idy, idx, &best_mode, bmode_costs, 1216 xd->plane[0].above_context + idx, xd->plane[0].left_context + idy, &r, 1217 &ry, &d, bsize, best_rd - total_rd); 1218 1219 if (this_rd >= best_rd - total_rd) return INT64_MAX; 1220 1221 total_rd += this_rd; 1222 cost += r; 1223 total_distortion += d; 1224 tot_rate_y += ry; 1225 1226 mic->bmi[i].as_mode = best_mode; 1227 for (j = 1; j < num_4x4_blocks_high; ++j) 1228 mic->bmi[i + j * 2].as_mode = best_mode; 1229 for (j = 1; j < num_4x4_blocks_wide; ++j) 1230 mic->bmi[i + j].as_mode = best_mode; 1231 1232 if (total_rd >= best_rd) return INT64_MAX; 1233 } 1234 } 1235 1236 *rate = cost; 1237 *rate_y = tot_rate_y; 1238 *distortion = total_distortion; 1239 mic->mode = mic->bmi[3].as_mode; 1240 1241 return RDCOST(mb->rdmult, mb->rddiv, cost, total_distortion); 1242 } 1243 1244 // This function is used only for intra_only frames 1245 static int64_t rd_pick_intra_sby_mode(VP9_COMP *cpi, MACROBLOCK *x, int *rate, 1246 int *rate_tokenonly, int64_t *distortion, 1247 int *skippable, BLOCK_SIZE bsize, 1248 int64_t best_rd) { 1249 PREDICTION_MODE mode; 1250 PREDICTION_MODE mode_selected = DC_PRED; 1251 MACROBLOCKD *const xd = &x->e_mbd; 1252 MODE_INFO *const mic = xd->mi[0]; 1253 int this_rate, this_rate_tokenonly, s; 1254 int64_t this_distortion, this_rd; 1255 TX_SIZE best_tx = TX_4X4; 1256 int *bmode_costs; 1257 const MODE_INFO *above_mi = xd->above_mi; 1258 const MODE_INFO *left_mi = xd->left_mi; 1259 const PREDICTION_MODE A = vp9_above_block_mode(mic, above_mi, 0); 1260 const PREDICTION_MODE L = vp9_left_block_mode(mic, left_mi, 0); 1261 bmode_costs = cpi->y_mode_costs[A][L]; 1262 1263 memset(x->skip_txfm, SKIP_TXFM_NONE, sizeof(x->skip_txfm)); 1264 /* Y Search for intra prediction mode */ 1265 for (mode = DC_PRED; mode <= TM_PRED; mode++) { 1266 if (cpi->sf.use_nonrd_pick_mode) { 1267 // These speed features are turned on in hybrid non-RD and RD mode 1268 // for key frame coding in the context of real-time setting. 1269 if (conditional_skipintra(mode, mode_selected)) continue; 1270 if (*skippable) break; 1271 } 1272 1273 mic->mode = mode; 1274 1275 super_block_yrd(cpi, x, &this_rate_tokenonly, &this_distortion, &s, NULL, 1276 bsize, best_rd); 1277 1278 if (this_rate_tokenonly == INT_MAX) continue; 1279 1280 this_rate = this_rate_tokenonly + bmode_costs[mode]; 1281 this_rd = RDCOST(x->rdmult, x->rddiv, this_rate, this_distortion); 1282 1283 if (this_rd < best_rd) { 1284 mode_selected = mode; 1285 best_rd = this_rd; 1286 best_tx = mic->tx_size; 1287 *rate = this_rate; 1288 *rate_tokenonly = this_rate_tokenonly; 1289 *distortion = this_distortion; 1290 *skippable = s; 1291 } 1292 } 1293 1294 mic->mode = mode_selected; 1295 mic->tx_size = best_tx; 1296 1297 return best_rd; 1298 } 1299 1300 // Return value 0: early termination triggered, no valid rd cost available; 1301 // 1: rd cost values are valid. 1302 static int super_block_uvrd(const VP9_COMP *cpi, MACROBLOCK *x, int *rate, 1303 int64_t *distortion, int *skippable, int64_t *sse, 1304 BLOCK_SIZE bsize, int64_t ref_best_rd) { 1305 MACROBLOCKD *const xd = &x->e_mbd; 1306 MODE_INFO *const mi = xd->mi[0]; 1307 const TX_SIZE uv_tx_size = get_uv_tx_size(mi, &xd->plane[1]); 1308 int plane; 1309 int pnrate = 0, pnskip = 1; 1310 int64_t pndist = 0, pnsse = 0; 1311 int is_cost_valid = 1; 1312 1313 if (ref_best_rd < 0) is_cost_valid = 0; 1314 1315 if (is_inter_block(mi) && is_cost_valid) { 1316 int plane; 1317 for (plane = 1; plane < MAX_MB_PLANE; ++plane) 1318 vp9_subtract_plane(x, bsize, plane); 1319 } 1320 1321 *rate = 0; 1322 *distortion = 0; 1323 *sse = 0; 1324 *skippable = 1; 1325 1326 for (plane = 1; plane < MAX_MB_PLANE; ++plane) { 1327 txfm_rd_in_plane(cpi, x, &pnrate, &pndist, &pnskip, &pnsse, ref_best_rd, 1328 plane, bsize, uv_tx_size, cpi->sf.use_fast_coef_costing); 1329 if (pnrate == INT_MAX) { 1330 is_cost_valid = 0; 1331 break; 1332 } 1333 *rate += pnrate; 1334 *distortion += pndist; 1335 *sse += pnsse; 1336 *skippable &= pnskip; 1337 } 1338 1339 if (!is_cost_valid) { 1340 // reset cost value 1341 *rate = INT_MAX; 1342 *distortion = INT64_MAX; 1343 *sse = INT64_MAX; 1344 *skippable = 0; 1345 } 1346 1347 return is_cost_valid; 1348 } 1349 1350 static int64_t rd_pick_intra_sbuv_mode(VP9_COMP *cpi, MACROBLOCK *x, 1351 PICK_MODE_CONTEXT *ctx, int *rate, 1352 int *rate_tokenonly, int64_t *distortion, 1353 int *skippable, BLOCK_SIZE bsize, 1354 TX_SIZE max_tx_size) { 1355 MACROBLOCKD *xd = &x->e_mbd; 1356 PREDICTION_MODE mode; 1357 PREDICTION_MODE mode_selected = DC_PRED; 1358 int64_t best_rd = INT64_MAX, this_rd; 1359 int this_rate_tokenonly, this_rate, s; 1360 int64_t this_distortion, this_sse; 1361 1362 memset(x->skip_txfm, SKIP_TXFM_NONE, sizeof(x->skip_txfm)); 1363 for (mode = DC_PRED; mode <= TM_PRED; ++mode) { 1364 if (!(cpi->sf.intra_uv_mode_mask[max_tx_size] & (1 << mode))) continue; 1365 #if CONFIG_BETTER_HW_COMPATIBILITY && CONFIG_VP9_HIGHBITDEPTH 1366 if ((xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) && 1367 (xd->above_mi == NULL || xd->left_mi == NULL) && need_top_left[mode]) 1368 continue; 1369 #endif // CONFIG_BETTER_HW_COMPATIBILITY && CONFIG_VP9_HIGHBITDEPTH 1370 1371 xd->mi[0]->uv_mode = mode; 1372 1373 if (!super_block_uvrd(cpi, x, &this_rate_tokenonly, &this_distortion, &s, 1374 &this_sse, bsize, best_rd)) 1375 continue; 1376 this_rate = 1377 this_rate_tokenonly + 1378 cpi->intra_uv_mode_cost[cpi->common.frame_type][xd->mi[0]->mode][mode]; 1379 this_rd = RDCOST(x->rdmult, x->rddiv, this_rate, this_distortion); 1380 1381 if (this_rd < best_rd) { 1382 mode_selected = mode; 1383 best_rd = this_rd; 1384 *rate = this_rate; 1385 *rate_tokenonly = this_rate_tokenonly; 1386 *distortion = this_distortion; 1387 *skippable = s; 1388 if (!x->select_tx_size) swap_block_ptr(x, ctx, 2, 0, 1, MAX_MB_PLANE); 1389 } 1390 } 1391 1392 xd->mi[0]->uv_mode = mode_selected; 1393 return best_rd; 1394 } 1395 1396 static int64_t rd_sbuv_dcpred(const VP9_COMP *cpi, MACROBLOCK *x, int *rate, 1397 int *rate_tokenonly, int64_t *distortion, 1398 int *skippable, BLOCK_SIZE bsize) { 1399 const VP9_COMMON *cm = &cpi->common; 1400 int64_t unused; 1401 1402 x->e_mbd.mi[0]->uv_mode = DC_PRED; 1403 memset(x->skip_txfm, SKIP_TXFM_NONE, sizeof(x->skip_txfm)); 1404 super_block_uvrd(cpi, x, rate_tokenonly, distortion, skippable, &unused, 1405 bsize, INT64_MAX); 1406 *rate = 1407 *rate_tokenonly + 1408 cpi->intra_uv_mode_cost[cm->frame_type][x->e_mbd.mi[0]->mode][DC_PRED]; 1409 return RDCOST(x->rdmult, x->rddiv, *rate, *distortion); 1410 } 1411 1412 static void choose_intra_uv_mode(VP9_COMP *cpi, MACROBLOCK *const x, 1413 PICK_MODE_CONTEXT *ctx, BLOCK_SIZE bsize, 1414 TX_SIZE max_tx_size, int *rate_uv, 1415 int *rate_uv_tokenonly, int64_t *dist_uv, 1416 int *skip_uv, PREDICTION_MODE *mode_uv) { 1417 // Use an estimated rd for uv_intra based on DC_PRED if the 1418 // appropriate speed flag is set. 1419 if (cpi->sf.use_uv_intra_rd_estimate) { 1420 rd_sbuv_dcpred(cpi, x, rate_uv, rate_uv_tokenonly, dist_uv, skip_uv, 1421 bsize < BLOCK_8X8 ? BLOCK_8X8 : bsize); 1422 // Else do a proper rd search for each possible transform size that may 1423 // be considered in the main rd loop. 1424 } else { 1425 rd_pick_intra_sbuv_mode(cpi, x, ctx, rate_uv, rate_uv_tokenonly, dist_uv, 1426 skip_uv, bsize < BLOCK_8X8 ? BLOCK_8X8 : bsize, 1427 max_tx_size); 1428 } 1429 *mode_uv = x->e_mbd.mi[0]->uv_mode; 1430 } 1431 1432 static int cost_mv_ref(const VP9_COMP *cpi, PREDICTION_MODE mode, 1433 int mode_context) { 1434 assert(is_inter_mode(mode)); 1435 return cpi->inter_mode_cost[mode_context][INTER_OFFSET(mode)]; 1436 } 1437 1438 static int set_and_cost_bmi_mvs(VP9_COMP *cpi, MACROBLOCK *x, MACROBLOCKD *xd, 1439 int i, PREDICTION_MODE mode, int_mv this_mv[2], 1440 int_mv frame_mv[MB_MODE_COUNT][MAX_REF_FRAMES], 1441 int_mv seg_mvs[MAX_REF_FRAMES], 1442 int_mv *best_ref_mv[2], const int *mvjcost, 1443 int *mvcost[2]) { 1444 MODE_INFO *const mi = xd->mi[0]; 1445 const MB_MODE_INFO_EXT *const mbmi_ext = x->mbmi_ext; 1446 int thismvcost = 0; 1447 int idx, idy; 1448 const int num_4x4_blocks_wide = num_4x4_blocks_wide_lookup[mi->sb_type]; 1449 const int num_4x4_blocks_high = num_4x4_blocks_high_lookup[mi->sb_type]; 1450 const int is_compound = has_second_ref(mi); 1451 1452 switch (mode) { 1453 case NEWMV: 1454 this_mv[0].as_int = seg_mvs[mi->ref_frame[0]].as_int; 1455 thismvcost += vp9_mv_bit_cost(&this_mv[0].as_mv, &best_ref_mv[0]->as_mv, 1456 mvjcost, mvcost, MV_COST_WEIGHT_SUB); 1457 if (is_compound) { 1458 this_mv[1].as_int = seg_mvs[mi->ref_frame[1]].as_int; 1459 thismvcost += vp9_mv_bit_cost(&this_mv[1].as_mv, &best_ref_mv[1]->as_mv, 1460 mvjcost, mvcost, MV_COST_WEIGHT_SUB); 1461 } 1462 break; 1463 case NEARMV: 1464 case NEARESTMV: 1465 this_mv[0].as_int = frame_mv[mode][mi->ref_frame[0]].as_int; 1466 if (is_compound) 1467 this_mv[1].as_int = frame_mv[mode][mi->ref_frame[1]].as_int; 1468 break; 1469 case ZEROMV: 1470 this_mv[0].as_int = 0; 1471 if (is_compound) this_mv[1].as_int = 0; 1472 break; 1473 default: break; 1474 } 1475 1476 mi->bmi[i].as_mv[0].as_int = this_mv[0].as_int; 1477 if (is_compound) mi->bmi[i].as_mv[1].as_int = this_mv[1].as_int; 1478 1479 mi->bmi[i].as_mode = mode; 1480 1481 for (idy = 0; idy < num_4x4_blocks_high; ++idy) 1482 for (idx = 0; idx < num_4x4_blocks_wide; ++idx) 1483 memmove(&mi->bmi[i + idy * 2 + idx], &mi->bmi[i], sizeof(mi->bmi[i])); 1484 1485 return cost_mv_ref(cpi, mode, mbmi_ext->mode_context[mi->ref_frame[0]]) + 1486 thismvcost; 1487 } 1488 1489 static int64_t encode_inter_mb_segment(VP9_COMP *cpi, MACROBLOCK *x, 1490 int64_t best_yrd, int i, int *labelyrate, 1491 int64_t *distortion, int64_t *sse, 1492 ENTROPY_CONTEXT *ta, ENTROPY_CONTEXT *tl, 1493 int mi_row, int mi_col) { 1494 int k; 1495 MACROBLOCKD *xd = &x->e_mbd; 1496 struct macroblockd_plane *const pd = &xd->plane[0]; 1497 struct macroblock_plane *const p = &x->plane[0]; 1498 MODE_INFO *const mi = xd->mi[0]; 1499 const BLOCK_SIZE plane_bsize = get_plane_block_size(mi->sb_type, pd); 1500 const int width = 4 * num_4x4_blocks_wide_lookup[plane_bsize]; 1501 const int height = 4 * num_4x4_blocks_high_lookup[plane_bsize]; 1502 int idx, idy; 1503 1504 const uint8_t *const src = 1505 &p->src.buf[vp9_raster_block_offset(BLOCK_8X8, i, p->src.stride)]; 1506 uint8_t *const dst = 1507 &pd->dst.buf[vp9_raster_block_offset(BLOCK_8X8, i, pd->dst.stride)]; 1508 int64_t thisdistortion = 0, thissse = 0; 1509 int thisrate = 0, ref; 1510 const scan_order *so = &vp9_default_scan_orders[TX_4X4]; 1511 const int is_compound = has_second_ref(mi); 1512 const InterpKernel *kernel = vp9_filter_kernels[mi->interp_filter]; 1513 1514 for (ref = 0; ref < 1 + is_compound; ++ref) { 1515 const int bw = b_width_log2_lookup[BLOCK_8X8]; 1516 const int h = 4 * (i >> bw); 1517 const int w = 4 * (i & ((1 << bw) - 1)); 1518 const struct scale_factors *sf = &xd->block_refs[ref]->sf; 1519 int y_stride = pd->pre[ref].stride; 1520 uint8_t *pre = pd->pre[ref].buf + (h * pd->pre[ref].stride + w); 1521 1522 if (vp9_is_scaled(sf)) { 1523 const int x_start = (-xd->mb_to_left_edge >> (3 + pd->subsampling_x)); 1524 const int y_start = (-xd->mb_to_top_edge >> (3 + pd->subsampling_y)); 1525 1526 y_stride = xd->block_refs[ref]->buf->y_stride; 1527 pre = xd->block_refs[ref]->buf->y_buffer; 1528 pre += scaled_buffer_offset(x_start + w, y_start + h, y_stride, sf); 1529 } 1530 #if CONFIG_VP9_HIGHBITDEPTH 1531 if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { 1532 vp9_highbd_build_inter_predictor( 1533 CONVERT_TO_SHORTPTR(pre), y_stride, CONVERT_TO_SHORTPTR(dst), 1534 pd->dst.stride, &mi->bmi[i].as_mv[ref].as_mv, 1535 &xd->block_refs[ref]->sf, width, height, ref, kernel, MV_PRECISION_Q3, 1536 mi_col * MI_SIZE + 4 * (i % 2), mi_row * MI_SIZE + 4 * (i / 2), 1537 xd->bd); 1538 } else { 1539 vp9_build_inter_predictor( 1540 pre, y_stride, dst, pd->dst.stride, &mi->bmi[i].as_mv[ref].as_mv, 1541 &xd->block_refs[ref]->sf, width, height, ref, kernel, MV_PRECISION_Q3, 1542 mi_col * MI_SIZE + 4 * (i % 2), mi_row * MI_SIZE + 4 * (i / 2)); 1543 } 1544 #else 1545 vp9_build_inter_predictor( 1546 pre, y_stride, dst, pd->dst.stride, &mi->bmi[i].as_mv[ref].as_mv, 1547 &xd->block_refs[ref]->sf, width, height, ref, kernel, MV_PRECISION_Q3, 1548 mi_col * MI_SIZE + 4 * (i % 2), mi_row * MI_SIZE + 4 * (i / 2)); 1549 #endif // CONFIG_VP9_HIGHBITDEPTH 1550 } 1551 1552 #if CONFIG_VP9_HIGHBITDEPTH 1553 if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { 1554 vpx_highbd_subtract_block( 1555 height, width, vp9_raster_block_offset_int16(BLOCK_8X8, i, p->src_diff), 1556 8, src, p->src.stride, dst, pd->dst.stride, xd->bd); 1557 } else { 1558 vpx_subtract_block(height, width, 1559 vp9_raster_block_offset_int16(BLOCK_8X8, i, p->src_diff), 1560 8, src, p->src.stride, dst, pd->dst.stride); 1561 } 1562 #else 1563 vpx_subtract_block(height, width, 1564 vp9_raster_block_offset_int16(BLOCK_8X8, i, p->src_diff), 1565 8, src, p->src.stride, dst, pd->dst.stride); 1566 #endif // CONFIG_VP9_HIGHBITDEPTH 1567 1568 k = i; 1569 for (idy = 0; idy < height / 4; ++idy) { 1570 for (idx = 0; idx < width / 4; ++idx) { 1571 #if CONFIG_VP9_HIGHBITDEPTH 1572 const int bd = (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) ? xd->bd : 8; 1573 #endif 1574 int64_t ssz, rd, rd1, rd2; 1575 tran_low_t *coeff; 1576 int coeff_ctx; 1577 k += (idy * 2 + idx); 1578 coeff_ctx = combine_entropy_contexts(ta[k & 1], tl[k >> 1]); 1579 coeff = BLOCK_OFFSET(p->coeff, k); 1580 x->fwd_txfm4x4(vp9_raster_block_offset_int16(BLOCK_8X8, k, p->src_diff), 1581 coeff, 8); 1582 vp9_regular_quantize_b_4x4(x, 0, k, so->scan, so->iscan); 1583 #if CONFIG_VP9_HIGHBITDEPTH 1584 thisdistortion += vp9_highbd_block_error_dispatch( 1585 coeff, BLOCK_OFFSET(pd->dqcoeff, k), 16, &ssz, bd); 1586 #else 1587 thisdistortion += 1588 vp9_block_error(coeff, BLOCK_OFFSET(pd->dqcoeff, k), 16, &ssz); 1589 #endif // CONFIG_VP9_HIGHBITDEPTH 1590 thissse += ssz; 1591 thisrate += cost_coeffs(x, 0, k, TX_4X4, coeff_ctx, so->scan, 1592 so->neighbors, cpi->sf.use_fast_coef_costing); 1593 ta[k & 1] = tl[k >> 1] = (x->plane[0].eobs[k] > 0) ? 1 : 0; 1594 rd1 = RDCOST(x->rdmult, x->rddiv, thisrate, thisdistortion >> 2); 1595 rd2 = RDCOST(x->rdmult, x->rddiv, 0, thissse >> 2); 1596 rd = VPXMIN(rd1, rd2); 1597 if (rd >= best_yrd) return INT64_MAX; 1598 } 1599 } 1600 1601 *distortion = thisdistortion >> 2; 1602 *labelyrate = thisrate; 1603 *sse = thissse >> 2; 1604 1605 return RDCOST(x->rdmult, x->rddiv, *labelyrate, *distortion); 1606 } 1607 1608 typedef struct { 1609 int eobs; 1610 int brate; 1611 int byrate; 1612 int64_t bdist; 1613 int64_t bsse; 1614 int64_t brdcost; 1615 int_mv mvs[2]; 1616 ENTROPY_CONTEXT ta[2]; 1617 ENTROPY_CONTEXT tl[2]; 1618 } SEG_RDSTAT; 1619 1620 typedef struct { 1621 int_mv *ref_mv[2]; 1622 int_mv mvp; 1623 1624 int64_t segment_rd; 1625 int r; 1626 int64_t d; 1627 int64_t sse; 1628 int segment_yrate; 1629 PREDICTION_MODE modes[4]; 1630 SEG_RDSTAT rdstat[4][INTER_MODES]; 1631 int mvthresh; 1632 } BEST_SEG_INFO; 1633 1634 static INLINE int mv_check_bounds(const MvLimits *mv_limits, const MV *mv) { 1635 return (mv->row >> 3) < mv_limits->row_min || 1636 (mv->row >> 3) > mv_limits->row_max || 1637 (mv->col >> 3) < mv_limits->col_min || 1638 (mv->col >> 3) > mv_limits->col_max; 1639 } 1640 1641 static INLINE void mi_buf_shift(MACROBLOCK *x, int i) { 1642 MODE_INFO *const mi = x->e_mbd.mi[0]; 1643 struct macroblock_plane *const p = &x->plane[0]; 1644 struct macroblockd_plane *const pd = &x->e_mbd.plane[0]; 1645 1646 p->src.buf = 1647 &p->src.buf[vp9_raster_block_offset(BLOCK_8X8, i, p->src.stride)]; 1648 assert(((intptr_t)pd->pre[0].buf & 0x7) == 0); 1649 pd->pre[0].buf = 1650 &pd->pre[0].buf[vp9_raster_block_offset(BLOCK_8X8, i, pd->pre[0].stride)]; 1651 if (has_second_ref(mi)) 1652 pd->pre[1].buf = 1653 &pd->pre[1] 1654 .buf[vp9_raster_block_offset(BLOCK_8X8, i, pd->pre[1].stride)]; 1655 } 1656 1657 static INLINE void mi_buf_restore(MACROBLOCK *x, struct buf_2d orig_src, 1658 struct buf_2d orig_pre[2]) { 1659 MODE_INFO *mi = x->e_mbd.mi[0]; 1660 x->plane[0].src = orig_src; 1661 x->e_mbd.plane[0].pre[0] = orig_pre[0]; 1662 if (has_second_ref(mi)) x->e_mbd.plane[0].pre[1] = orig_pre[1]; 1663 } 1664 1665 static INLINE int mv_has_subpel(const MV *mv) { 1666 return (mv->row & 0x0F) || (mv->col & 0x0F); 1667 } 1668 1669 // Check if NEARESTMV/NEARMV/ZEROMV is the cheapest way encode zero motion. 1670 // TODO(aconverse): Find out if this is still productive then clean up or remove 1671 static int check_best_zero_mv(const VP9_COMP *cpi, 1672 const uint8_t mode_context[MAX_REF_FRAMES], 1673 int_mv frame_mv[MB_MODE_COUNT][MAX_REF_FRAMES], 1674 int this_mode, 1675 const MV_REFERENCE_FRAME ref_frames[2]) { 1676 if ((this_mode == NEARMV || this_mode == NEARESTMV || this_mode == ZEROMV) && 1677 frame_mv[this_mode][ref_frames[0]].as_int == 0 && 1678 (ref_frames[1] == NONE || 1679 frame_mv[this_mode][ref_frames[1]].as_int == 0)) { 1680 int rfc = mode_context[ref_frames[0]]; 1681 int c1 = cost_mv_ref(cpi, NEARMV, rfc); 1682 int c2 = cost_mv_ref(cpi, NEARESTMV, rfc); 1683 int c3 = cost_mv_ref(cpi, ZEROMV, rfc); 1684 1685 if (this_mode == NEARMV) { 1686 if (c1 > c3) return 0; 1687 } else if (this_mode == NEARESTMV) { 1688 if (c2 > c3) return 0; 1689 } else { 1690 assert(this_mode == ZEROMV); 1691 if (ref_frames[1] == NONE) { 1692 if ((c3 >= c2 && frame_mv[NEARESTMV][ref_frames[0]].as_int == 0) || 1693 (c3 >= c1 && frame_mv[NEARMV][ref_frames[0]].as_int == 0)) 1694 return 0; 1695 } else { 1696 if ((c3 >= c2 && frame_mv[NEARESTMV][ref_frames[0]].as_int == 0 && 1697 frame_mv[NEARESTMV][ref_frames[1]].as_int == 0) || 1698 (c3 >= c1 && frame_mv[NEARMV][ref_frames[0]].as_int == 0 && 1699 frame_mv[NEARMV][ref_frames[1]].as_int == 0)) 1700 return 0; 1701 } 1702 } 1703 } 1704 return 1; 1705 } 1706 1707 static void joint_motion_search(VP9_COMP *cpi, MACROBLOCK *x, BLOCK_SIZE bsize, 1708 int_mv *frame_mv, int mi_row, int mi_col, 1709 int_mv single_newmv[MAX_REF_FRAMES], 1710 int *rate_mv) { 1711 const VP9_COMMON *const cm = &cpi->common; 1712 const int pw = 4 * num_4x4_blocks_wide_lookup[bsize]; 1713 const int ph = 4 * num_4x4_blocks_high_lookup[bsize]; 1714 MACROBLOCKD *xd = &x->e_mbd; 1715 MODE_INFO *mi = xd->mi[0]; 1716 const int refs[2] = { mi->ref_frame[0], 1717 mi->ref_frame[1] < 0 ? 0 : mi->ref_frame[1] }; 1718 int_mv ref_mv[2]; 1719 int ite, ref; 1720 const InterpKernel *kernel = vp9_filter_kernels[mi->interp_filter]; 1721 struct scale_factors sf; 1722 1723 // Do joint motion search in compound mode to get more accurate mv. 1724 struct buf_2d backup_yv12[2][MAX_MB_PLANE]; 1725 uint32_t last_besterr[2] = { UINT_MAX, UINT_MAX }; 1726 const YV12_BUFFER_CONFIG *const scaled_ref_frame[2] = { 1727 vp9_get_scaled_ref_frame(cpi, mi->ref_frame[0]), 1728 vp9_get_scaled_ref_frame(cpi, mi->ref_frame[1]) 1729 }; 1730 1731 // Prediction buffer from second frame. 1732 #if CONFIG_VP9_HIGHBITDEPTH 1733 DECLARE_ALIGNED(16, uint16_t, second_pred_alloc_16[64 * 64]); 1734 uint8_t *second_pred; 1735 #else 1736 DECLARE_ALIGNED(16, uint8_t, second_pred[64 * 64]); 1737 #endif // CONFIG_VP9_HIGHBITDEPTH 1738 1739 for (ref = 0; ref < 2; ++ref) { 1740 ref_mv[ref] = x->mbmi_ext->ref_mvs[refs[ref]][0]; 1741 1742 if (scaled_ref_frame[ref]) { 1743 int i; 1744 // Swap out the reference frame for a version that's been scaled to 1745 // match the resolution of the current frame, allowing the existing 1746 // motion search code to be used without additional modifications. 1747 for (i = 0; i < MAX_MB_PLANE; i++) 1748 backup_yv12[ref][i] = xd->plane[i].pre[ref]; 1749 vp9_setup_pre_planes(xd, ref, scaled_ref_frame[ref], mi_row, mi_col, 1750 NULL); 1751 } 1752 1753 frame_mv[refs[ref]].as_int = single_newmv[refs[ref]].as_int; 1754 } 1755 1756 // Since we have scaled the reference frames to match the size of the current 1757 // frame we must use a unit scaling factor during mode selection. 1758 #if CONFIG_VP9_HIGHBITDEPTH 1759 vp9_setup_scale_factors_for_frame(&sf, cm->width, cm->height, cm->width, 1760 cm->height, cm->use_highbitdepth); 1761 #else 1762 vp9_setup_scale_factors_for_frame(&sf, cm->width, cm->height, cm->width, 1763 cm->height); 1764 #endif // CONFIG_VP9_HIGHBITDEPTH 1765 1766 // Allow joint search multiple times iteratively for each reference frame 1767 // and break out of the search loop if it couldn't find a better mv. 1768 for (ite = 0; ite < 4; ite++) { 1769 struct buf_2d ref_yv12[2]; 1770 uint32_t bestsme = UINT_MAX; 1771 int sadpb = x->sadperbit16; 1772 MV tmp_mv; 1773 int search_range = 3; 1774 1775 const MvLimits tmp_mv_limits = x->mv_limits; 1776 int id = ite % 2; // Even iterations search in the first reference frame, 1777 // odd iterations search in the second. The predictor 1778 // found for the 'other' reference frame is factored in. 1779 1780 // Initialized here because of compiler problem in Visual Studio. 1781 ref_yv12[0] = xd->plane[0].pre[0]; 1782 ref_yv12[1] = xd->plane[0].pre[1]; 1783 1784 // Get the prediction block from the 'other' reference frame. 1785 #if CONFIG_VP9_HIGHBITDEPTH 1786 if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { 1787 second_pred = CONVERT_TO_BYTEPTR(second_pred_alloc_16); 1788 vp9_highbd_build_inter_predictor( 1789 CONVERT_TO_SHORTPTR(ref_yv12[!id].buf), ref_yv12[!id].stride, 1790 second_pred_alloc_16, pw, &frame_mv[refs[!id]].as_mv, &sf, pw, ph, 0, 1791 kernel, MV_PRECISION_Q3, mi_col * MI_SIZE, mi_row * MI_SIZE, xd->bd); 1792 } else { 1793 second_pred = (uint8_t *)second_pred_alloc_16; 1794 vp9_build_inter_predictor(ref_yv12[!id].buf, ref_yv12[!id].stride, 1795 second_pred, pw, &frame_mv[refs[!id]].as_mv, 1796 &sf, pw, ph, 0, kernel, MV_PRECISION_Q3, 1797 mi_col * MI_SIZE, mi_row * MI_SIZE); 1798 } 1799 #else 1800 vp9_build_inter_predictor(ref_yv12[!id].buf, ref_yv12[!id].stride, 1801 second_pred, pw, &frame_mv[refs[!id]].as_mv, &sf, 1802 pw, ph, 0, kernel, MV_PRECISION_Q3, 1803 mi_col * MI_SIZE, mi_row * MI_SIZE); 1804 #endif // CONFIG_VP9_HIGHBITDEPTH 1805 1806 // Do compound motion search on the current reference frame. 1807 if (id) xd->plane[0].pre[0] = ref_yv12[id]; 1808 vp9_set_mv_search_range(&x->mv_limits, &ref_mv[id].as_mv); 1809 1810 // Use the mv result from the single mode as mv predictor. 1811 tmp_mv = frame_mv[refs[id]].as_mv; 1812 1813 tmp_mv.col >>= 3; 1814 tmp_mv.row >>= 3; 1815 1816 // Small-range full-pixel motion search. 1817 bestsme = vp9_refining_search_8p_c(x, &tmp_mv, sadpb, search_range, 1818 &cpi->fn_ptr[bsize], &ref_mv[id].as_mv, 1819 second_pred); 1820 if (bestsme < UINT_MAX) 1821 bestsme = vp9_get_mvpred_av_var(x, &tmp_mv, &ref_mv[id].as_mv, 1822 second_pred, &cpi->fn_ptr[bsize], 1); 1823 1824 x->mv_limits = tmp_mv_limits; 1825 1826 if (bestsme < UINT_MAX) { 1827 uint32_t dis; /* TODO: use dis in distortion calculation later. */ 1828 uint32_t sse; 1829 bestsme = cpi->find_fractional_mv_step( 1830 x, &tmp_mv, &ref_mv[id].as_mv, cpi->common.allow_high_precision_mv, 1831 x->errorperbit, &cpi->fn_ptr[bsize], 0, 1832 cpi->sf.mv.subpel_iters_per_step, NULL, x->nmvjointcost, x->mvcost, 1833 &dis, &sse, second_pred, pw, ph); 1834 } 1835 1836 // Restore the pointer to the first (possibly scaled) prediction buffer. 1837 if (id) xd->plane[0].pre[0] = ref_yv12[0]; 1838 1839 if (bestsme < last_besterr[id]) { 1840 frame_mv[refs[id]].as_mv = tmp_mv; 1841 last_besterr[id] = bestsme; 1842 } else { 1843 break; 1844 } 1845 } 1846 1847 *rate_mv = 0; 1848 1849 for (ref = 0; ref < 2; ++ref) { 1850 if (scaled_ref_frame[ref]) { 1851 // Restore the prediction frame pointers to their unscaled versions. 1852 int i; 1853 for (i = 0; i < MAX_MB_PLANE; i++) 1854 xd->plane[i].pre[ref] = backup_yv12[ref][i]; 1855 } 1856 1857 *rate_mv += vp9_mv_bit_cost(&frame_mv[refs[ref]].as_mv, 1858 &x->mbmi_ext->ref_mvs[refs[ref]][0].as_mv, 1859 x->nmvjointcost, x->mvcost, MV_COST_WEIGHT); 1860 } 1861 } 1862 1863 static int64_t rd_pick_best_sub8x8_mode( 1864 VP9_COMP *cpi, MACROBLOCK *x, int_mv *best_ref_mv, 1865 int_mv *second_best_ref_mv, int64_t best_rd, int *returntotrate, 1866 int *returnyrate, int64_t *returndistortion, int *skippable, int64_t *psse, 1867 int mvthresh, int_mv seg_mvs[4][MAX_REF_FRAMES], BEST_SEG_INFO *bsi_buf, 1868 int filter_idx, int mi_row, int mi_col) { 1869 int i; 1870 BEST_SEG_INFO *bsi = bsi_buf + filter_idx; 1871 MACROBLOCKD *xd = &x->e_mbd; 1872 MODE_INFO *mi = xd->mi[0]; 1873 int mode_idx; 1874 int k, br = 0, idx, idy; 1875 int64_t bd = 0, block_sse = 0; 1876 PREDICTION_MODE this_mode; 1877 VP9_COMMON *cm = &cpi->common; 1878 struct macroblock_plane *const p = &x->plane[0]; 1879 struct macroblockd_plane *const pd = &xd->plane[0]; 1880 const int label_count = 4; 1881 int64_t this_segment_rd = 0; 1882 int label_mv_thresh; 1883 int segmentyrate = 0; 1884 const BLOCK_SIZE bsize = mi->sb_type; 1885 const int num_4x4_blocks_wide = num_4x4_blocks_wide_lookup[bsize]; 1886 const int num_4x4_blocks_high = num_4x4_blocks_high_lookup[bsize]; 1887 ENTROPY_CONTEXT t_above[2], t_left[2]; 1888 int subpelmv = 1, have_ref = 0; 1889 SPEED_FEATURES *const sf = &cpi->sf; 1890 const int has_second_rf = has_second_ref(mi); 1891 const int inter_mode_mask = sf->inter_mode_mask[bsize]; 1892 MB_MODE_INFO_EXT *const mbmi_ext = x->mbmi_ext; 1893 1894 vp9_zero(*bsi); 1895 1896 bsi->segment_rd = best_rd; 1897 bsi->ref_mv[0] = best_ref_mv; 1898 bsi->ref_mv[1] = second_best_ref_mv; 1899 bsi->mvp.as_int = best_ref_mv->as_int; 1900 bsi->mvthresh = mvthresh; 1901 1902 for (i = 0; i < 4; i++) bsi->modes[i] = ZEROMV; 1903 1904 memcpy(t_above, pd->above_context, sizeof(t_above)); 1905 memcpy(t_left, pd->left_context, sizeof(t_left)); 1906 1907 // 64 makes this threshold really big effectively 1908 // making it so that we very rarely check mvs on 1909 // segments. setting this to 1 would make mv thresh 1910 // roughly equal to what it is for macroblocks 1911 label_mv_thresh = 1 * bsi->mvthresh / label_count; 1912 1913 // Segmentation method overheads 1914 for (idy = 0; idy < 2; idy += num_4x4_blocks_high) { 1915 for (idx = 0; idx < 2; idx += num_4x4_blocks_wide) { 1916 // TODO(jingning,rbultje): rewrite the rate-distortion optimization 1917 // loop for 4x4/4x8/8x4 block coding. to be replaced with new rd loop 1918 int_mv mode_mv[MB_MODE_COUNT][2]; 1919 int_mv frame_mv[MB_MODE_COUNT][MAX_REF_FRAMES]; 1920 PREDICTION_MODE mode_selected = ZEROMV; 1921 int64_t best_rd = INT64_MAX; 1922 const int i = idy * 2 + idx; 1923 int ref; 1924 1925 for (ref = 0; ref < 1 + has_second_rf; ++ref) { 1926 const MV_REFERENCE_FRAME frame = mi->ref_frame[ref]; 1927 frame_mv[ZEROMV][frame].as_int = 0; 1928 vp9_append_sub8x8_mvs_for_idx( 1929 cm, xd, i, ref, mi_row, mi_col, &frame_mv[NEARESTMV][frame], 1930 &frame_mv[NEARMV][frame], mbmi_ext->mode_context); 1931 } 1932 1933 // search for the best motion vector on this segment 1934 for (this_mode = NEARESTMV; this_mode <= NEWMV; ++this_mode) { 1935 const struct buf_2d orig_src = x->plane[0].src; 1936 struct buf_2d orig_pre[2]; 1937 1938 mode_idx = INTER_OFFSET(this_mode); 1939 bsi->rdstat[i][mode_idx].brdcost = INT64_MAX; 1940 if (!(inter_mode_mask & (1 << this_mode))) continue; 1941 1942 if (!check_best_zero_mv(cpi, mbmi_ext->mode_context, frame_mv, 1943 this_mode, mi->ref_frame)) 1944 continue; 1945 1946 memcpy(orig_pre, pd->pre, sizeof(orig_pre)); 1947 memcpy(bsi->rdstat[i][mode_idx].ta, t_above, 1948 sizeof(bsi->rdstat[i][mode_idx].ta)); 1949 memcpy(bsi->rdstat[i][mode_idx].tl, t_left, 1950 sizeof(bsi->rdstat[i][mode_idx].tl)); 1951 1952 // motion search for newmv (single predictor case only) 1953 if (!has_second_rf && this_mode == NEWMV && 1954 seg_mvs[i][mi->ref_frame[0]].as_int == INVALID_MV) { 1955 MV *const new_mv = &mode_mv[NEWMV][0].as_mv; 1956 int step_param = 0; 1957 uint32_t bestsme = UINT_MAX; 1958 int sadpb = x->sadperbit4; 1959 MV mvp_full; 1960 int max_mv; 1961 int cost_list[5]; 1962 const MvLimits tmp_mv_limits = x->mv_limits; 1963 1964 /* Is the best so far sufficiently good that we cant justify doing 1965 * and new motion search. */ 1966 if (best_rd < label_mv_thresh) break; 1967 1968 if (cpi->oxcf.mode != BEST) { 1969 // use previous block's result as next block's MV predictor. 1970 if (i > 0) { 1971 bsi->mvp.as_int = mi->bmi[i - 1].as_mv[0].as_int; 1972 if (i == 2) bsi->mvp.as_int = mi->bmi[i - 2].as_mv[0].as_int; 1973 } 1974 } 1975 if (i == 0) 1976 max_mv = x->max_mv_context[mi->ref_frame[0]]; 1977 else 1978 max_mv = 1979 VPXMAX(abs(bsi->mvp.as_mv.row), abs(bsi->mvp.as_mv.col)) >> 3; 1980 1981 if (sf->mv.auto_mv_step_size && cm->show_frame) { 1982 // Take wtd average of the step_params based on the last frame's 1983 // max mv magnitude and the best ref mvs of the current block for 1984 // the given reference. 1985 step_param = 1986 (vp9_init_search_range(max_mv) + cpi->mv_step_param) / 2; 1987 } else { 1988 step_param = cpi->mv_step_param; 1989 } 1990 1991 mvp_full.row = bsi->mvp.as_mv.row >> 3; 1992 mvp_full.col = bsi->mvp.as_mv.col >> 3; 1993 1994 if (sf->adaptive_motion_search) { 1995 mvp_full.row = x->pred_mv[mi->ref_frame[0]].row >> 3; 1996 mvp_full.col = x->pred_mv[mi->ref_frame[0]].col >> 3; 1997 step_param = VPXMAX(step_param, 8); 1998 } 1999 2000 // adjust src pointer for this block 2001 mi_buf_shift(x, i); 2002 2003 vp9_set_mv_search_range(&x->mv_limits, &bsi->ref_mv[0]->as_mv); 2004 2005 bestsme = vp9_full_pixel_search( 2006 cpi, x, bsize, &mvp_full, step_param, cpi->sf.mv.search_method, 2007 sadpb, 2008 sf->mv.subpel_search_method != SUBPEL_TREE ? cost_list : NULL, 2009 &bsi->ref_mv[0]->as_mv, new_mv, INT_MAX, 1); 2010 2011 x->mv_limits = tmp_mv_limits; 2012 2013 if (bestsme < UINT_MAX) { 2014 uint32_t distortion; 2015 cpi->find_fractional_mv_step( 2016 x, new_mv, &bsi->ref_mv[0]->as_mv, cm->allow_high_precision_mv, 2017 x->errorperbit, &cpi->fn_ptr[bsize], sf->mv.subpel_force_stop, 2018 sf->mv.subpel_iters_per_step, cond_cost_list(cpi, cost_list), 2019 x->nmvjointcost, x->mvcost, &distortion, 2020 &x->pred_sse[mi->ref_frame[0]], NULL, 0, 0); 2021 2022 // save motion search result for use in compound prediction 2023 seg_mvs[i][mi->ref_frame[0]].as_mv = *new_mv; 2024 } 2025 2026 if (sf->adaptive_motion_search) 2027 x->pred_mv[mi->ref_frame[0]] = *new_mv; 2028 2029 // restore src pointers 2030 mi_buf_restore(x, orig_src, orig_pre); 2031 } 2032 2033 if (has_second_rf) { 2034 if (seg_mvs[i][mi->ref_frame[1]].as_int == INVALID_MV || 2035 seg_mvs[i][mi->ref_frame[0]].as_int == INVALID_MV) 2036 continue; 2037 } 2038 2039 if (has_second_rf && this_mode == NEWMV && 2040 mi->interp_filter == EIGHTTAP) { 2041 // adjust src pointers 2042 mi_buf_shift(x, i); 2043 if (sf->comp_inter_joint_search_thresh <= bsize) { 2044 int rate_mv; 2045 joint_motion_search(cpi, x, bsize, frame_mv[this_mode], mi_row, 2046 mi_col, seg_mvs[i], &rate_mv); 2047 seg_mvs[i][mi->ref_frame[0]].as_int = 2048 frame_mv[this_mode][mi->ref_frame[0]].as_int; 2049 seg_mvs[i][mi->ref_frame[1]].as_int = 2050 frame_mv[this_mode][mi->ref_frame[1]].as_int; 2051 } 2052 // restore src pointers 2053 mi_buf_restore(x, orig_src, orig_pre); 2054 } 2055 2056 bsi->rdstat[i][mode_idx].brate = set_and_cost_bmi_mvs( 2057 cpi, x, xd, i, this_mode, mode_mv[this_mode], frame_mv, seg_mvs[i], 2058 bsi->ref_mv, x->nmvjointcost, x->mvcost); 2059 2060 for (ref = 0; ref < 1 + has_second_rf; ++ref) { 2061 bsi->rdstat[i][mode_idx].mvs[ref].as_int = 2062 mode_mv[this_mode][ref].as_int; 2063 if (num_4x4_blocks_wide > 1) 2064 bsi->rdstat[i + 1][mode_idx].mvs[ref].as_int = 2065 mode_mv[this_mode][ref].as_int; 2066 if (num_4x4_blocks_high > 1) 2067 bsi->rdstat[i + 2][mode_idx].mvs[ref].as_int = 2068 mode_mv[this_mode][ref].as_int; 2069 } 2070 2071 // Trap vectors that reach beyond the UMV borders 2072 if (mv_check_bounds(&x->mv_limits, &mode_mv[this_mode][0].as_mv) || 2073 (has_second_rf && 2074 mv_check_bounds(&x->mv_limits, &mode_mv[this_mode][1].as_mv))) 2075 continue; 2076 2077 if (filter_idx > 0) { 2078 BEST_SEG_INFO *ref_bsi = bsi_buf; 2079 subpelmv = 0; 2080 have_ref = 1; 2081 2082 for (ref = 0; ref < 1 + has_second_rf; ++ref) { 2083 subpelmv |= mv_has_subpel(&mode_mv[this_mode][ref].as_mv); 2084 have_ref &= mode_mv[this_mode][ref].as_int == 2085 ref_bsi->rdstat[i][mode_idx].mvs[ref].as_int; 2086 } 2087 2088 if (filter_idx > 1 && !subpelmv && !have_ref) { 2089 ref_bsi = bsi_buf + 1; 2090 have_ref = 1; 2091 for (ref = 0; ref < 1 + has_second_rf; ++ref) 2092 have_ref &= mode_mv[this_mode][ref].as_int == 2093 ref_bsi->rdstat[i][mode_idx].mvs[ref].as_int; 2094 } 2095 2096 if (!subpelmv && have_ref && 2097 ref_bsi->rdstat[i][mode_idx].brdcost < INT64_MAX) { 2098 memcpy(&bsi->rdstat[i][mode_idx], &ref_bsi->rdstat[i][mode_idx], 2099 sizeof(SEG_RDSTAT)); 2100 if (num_4x4_blocks_wide > 1) 2101 bsi->rdstat[i + 1][mode_idx].eobs = 2102 ref_bsi->rdstat[i + 1][mode_idx].eobs; 2103 if (num_4x4_blocks_high > 1) 2104 bsi->rdstat[i + 2][mode_idx].eobs = 2105 ref_bsi->rdstat[i + 2][mode_idx].eobs; 2106 2107 if (bsi->rdstat[i][mode_idx].brdcost < best_rd) { 2108 mode_selected = this_mode; 2109 best_rd = bsi->rdstat[i][mode_idx].brdcost; 2110 } 2111 continue; 2112 } 2113 } 2114 2115 bsi->rdstat[i][mode_idx].brdcost = encode_inter_mb_segment( 2116 cpi, x, bsi->segment_rd - this_segment_rd, i, 2117 &bsi->rdstat[i][mode_idx].byrate, &bsi->rdstat[i][mode_idx].bdist, 2118 &bsi->rdstat[i][mode_idx].bsse, bsi->rdstat[i][mode_idx].ta, 2119 bsi->rdstat[i][mode_idx].tl, mi_row, mi_col); 2120 if (bsi->rdstat[i][mode_idx].brdcost < INT64_MAX) { 2121 bsi->rdstat[i][mode_idx].brdcost += 2122 RDCOST(x->rdmult, x->rddiv, bsi->rdstat[i][mode_idx].brate, 0); 2123 bsi->rdstat[i][mode_idx].brate += bsi->rdstat[i][mode_idx].byrate; 2124 bsi->rdstat[i][mode_idx].eobs = p->eobs[i]; 2125 if (num_4x4_blocks_wide > 1) 2126 bsi->rdstat[i + 1][mode_idx].eobs = p->eobs[i + 1]; 2127 if (num_4x4_blocks_high > 1) 2128 bsi->rdstat[i + 2][mode_idx].eobs = p->eobs[i + 2]; 2129 } 2130 2131 if (bsi->rdstat[i][mode_idx].brdcost < best_rd) { 2132 mode_selected = this_mode; 2133 best_rd = bsi->rdstat[i][mode_idx].brdcost; 2134 } 2135 } /*for each 4x4 mode*/ 2136 2137 if (best_rd == INT64_MAX) { 2138 int iy, midx; 2139 for (iy = i + 1; iy < 4; ++iy) 2140 for (midx = 0; midx < INTER_MODES; ++midx) 2141 bsi->rdstat[iy][midx].brdcost = INT64_MAX; 2142 bsi->segment_rd = INT64_MAX; 2143 return INT64_MAX; 2144 } 2145 2146 mode_idx = INTER_OFFSET(mode_selected); 2147 memcpy(t_above, bsi->rdstat[i][mode_idx].ta, sizeof(t_above)); 2148 memcpy(t_left, bsi->rdstat[i][mode_idx].tl, sizeof(t_left)); 2149 2150 set_and_cost_bmi_mvs(cpi, x, xd, i, mode_selected, mode_mv[mode_selected], 2151 frame_mv, seg_mvs[i], bsi->ref_mv, x->nmvjointcost, 2152 x->mvcost); 2153 2154 br += bsi->rdstat[i][mode_idx].brate; 2155 bd += bsi->rdstat[i][mode_idx].bdist; 2156 block_sse += bsi->rdstat[i][mode_idx].bsse; 2157 segmentyrate += bsi->rdstat[i][mode_idx].byrate; 2158 this_segment_rd += bsi->rdstat[i][mode_idx].brdcost; 2159 2160 if (this_segment_rd > bsi->segment_rd) { 2161 int iy, midx; 2162 for (iy = i + 1; iy < 4; ++iy) 2163 for (midx = 0; midx < INTER_MODES; ++midx) 2164 bsi->rdstat[iy][midx].brdcost = INT64_MAX; 2165 bsi->segment_rd = INT64_MAX; 2166 return INT64_MAX; 2167 } 2168 } 2169 } /* for each label */ 2170 2171 bsi->r = br; 2172 bsi->d = bd; 2173 bsi->segment_yrate = segmentyrate; 2174 bsi->segment_rd = this_segment_rd; 2175 bsi->sse = block_sse; 2176 2177 // update the coding decisions 2178 for (k = 0; k < 4; ++k) bsi->modes[k] = mi->bmi[k].as_mode; 2179 2180 if (bsi->segment_rd > best_rd) return INT64_MAX; 2181 /* set it to the best */ 2182 for (i = 0; i < 4; i++) { 2183 mode_idx = INTER_OFFSET(bsi->modes[i]); 2184 mi->bmi[i].as_mv[0].as_int = bsi->rdstat[i][mode_idx].mvs[0].as_int; 2185 if (has_second_ref(mi)) 2186 mi->bmi[i].as_mv[1].as_int = bsi->rdstat[i][mode_idx].mvs[1].as_int; 2187 x->plane[0].eobs[i] = bsi->rdstat[i][mode_idx].eobs; 2188 mi->bmi[i].as_mode = bsi->modes[i]; 2189 } 2190 2191 /* 2192 * used to set mbmi->mv.as_int 2193 */ 2194 *returntotrate = bsi->r; 2195 *returndistortion = bsi->d; 2196 *returnyrate = bsi->segment_yrate; 2197 *skippable = vp9_is_skippable_in_plane(x, BLOCK_8X8, 0); 2198 *psse = bsi->sse; 2199 mi->mode = bsi->modes[3]; 2200 2201 return bsi->segment_rd; 2202 } 2203 2204 static void estimate_ref_frame_costs(const VP9_COMMON *cm, 2205 const MACROBLOCKD *xd, int segment_id, 2206 unsigned int *ref_costs_single, 2207 unsigned int *ref_costs_comp, 2208 vpx_prob *comp_mode_p) { 2209 int seg_ref_active = 2210 segfeature_active(&cm->seg, segment_id, SEG_LVL_REF_FRAME); 2211 if (seg_ref_active) { 2212 memset(ref_costs_single, 0, MAX_REF_FRAMES * sizeof(*ref_costs_single)); 2213 memset(ref_costs_comp, 0, MAX_REF_FRAMES * sizeof(*ref_costs_comp)); 2214 *comp_mode_p = 128; 2215 } else { 2216 vpx_prob intra_inter_p = vp9_get_intra_inter_prob(cm, xd); 2217 vpx_prob comp_inter_p = 128; 2218 2219 if (cm->reference_mode == REFERENCE_MODE_SELECT) { 2220 comp_inter_p = vp9_get_reference_mode_prob(cm, xd); 2221 *comp_mode_p = comp_inter_p; 2222 } else { 2223 *comp_mode_p = 128; 2224 } 2225 2226 ref_costs_single[INTRA_FRAME] = vp9_cost_bit(intra_inter_p, 0); 2227 2228 if (cm->reference_mode != COMPOUND_REFERENCE) { 2229 vpx_prob ref_single_p1 = vp9_get_pred_prob_single_ref_p1(cm, xd); 2230 vpx_prob ref_single_p2 = vp9_get_pred_prob_single_ref_p2(cm, xd); 2231 unsigned int base_cost = vp9_cost_bit(intra_inter_p, 1); 2232 2233 if (cm->reference_mode == REFERENCE_MODE_SELECT) 2234 base_cost += vp9_cost_bit(comp_inter_p, 0); 2235 2236 ref_costs_single[LAST_FRAME] = ref_costs_single[GOLDEN_FRAME] = 2237 ref_costs_single[ALTREF_FRAME] = base_cost; 2238 ref_costs_single[LAST_FRAME] += vp9_cost_bit(ref_single_p1, 0); 2239 ref_costs_single[GOLDEN_FRAME] += vp9_cost_bit(ref_single_p1, 1); 2240 ref_costs_single[ALTREF_FRAME] += vp9_cost_bit(ref_single_p1, 1); 2241 ref_costs_single[GOLDEN_FRAME] += vp9_cost_bit(ref_single_p2, 0); 2242 ref_costs_single[ALTREF_FRAME] += vp9_cost_bit(ref_single_p2, 1); 2243 } else { 2244 ref_costs_single[LAST_FRAME] = 512; 2245 ref_costs_single[GOLDEN_FRAME] = 512; 2246 ref_costs_single[ALTREF_FRAME] = 512; 2247 } 2248 if (cm->reference_mode != SINGLE_REFERENCE) { 2249 vpx_prob ref_comp_p = vp9_get_pred_prob_comp_ref_p(cm, xd); 2250 unsigned int base_cost = vp9_cost_bit(intra_inter_p, 1); 2251 2252 if (cm->reference_mode == REFERENCE_MODE_SELECT) 2253 base_cost += vp9_cost_bit(comp_inter_p, 1); 2254 2255 ref_costs_comp[LAST_FRAME] = base_cost + vp9_cost_bit(ref_comp_p, 0); 2256 ref_costs_comp[GOLDEN_FRAME] = base_cost + vp9_cost_bit(ref_comp_p, 1); 2257 } else { 2258 ref_costs_comp[LAST_FRAME] = 512; 2259 ref_costs_comp[GOLDEN_FRAME] = 512; 2260 } 2261 } 2262 } 2263 2264 static void store_coding_context( 2265 MACROBLOCK *x, PICK_MODE_CONTEXT *ctx, int mode_index, 2266 int64_t comp_pred_diff[REFERENCE_MODES], 2267 int64_t best_filter_diff[SWITCHABLE_FILTER_CONTEXTS], int skippable) { 2268 MACROBLOCKD *const xd = &x->e_mbd; 2269 2270 // Take a snapshot of the coding context so it can be 2271 // restored if we decide to encode this way 2272 ctx->skip = x->skip; 2273 ctx->skippable = skippable; 2274 ctx->best_mode_index = mode_index; 2275 ctx->mic = *xd->mi[0]; 2276 ctx->mbmi_ext = *x->mbmi_ext; 2277 ctx->single_pred_diff = (int)comp_pred_diff[SINGLE_REFERENCE]; 2278 ctx->comp_pred_diff = (int)comp_pred_diff[COMPOUND_REFERENCE]; 2279 ctx->hybrid_pred_diff = (int)comp_pred_diff[REFERENCE_MODE_SELECT]; 2280 2281 memcpy(ctx->best_filter_diff, best_filter_diff, 2282 sizeof(*best_filter_diff) * SWITCHABLE_FILTER_CONTEXTS); 2283 } 2284 2285 static void setup_buffer_inter(VP9_COMP *cpi, MACROBLOCK *x, 2286 MV_REFERENCE_FRAME ref_frame, 2287 BLOCK_SIZE block_size, int mi_row, int mi_col, 2288 int_mv frame_nearest_mv[MAX_REF_FRAMES], 2289 int_mv frame_near_mv[MAX_REF_FRAMES], 2290 struct buf_2d yv12_mb[4][MAX_MB_PLANE]) { 2291 const VP9_COMMON *cm = &cpi->common; 2292 const YV12_BUFFER_CONFIG *yv12 = get_ref_frame_buffer(cpi, ref_frame); 2293 MACROBLOCKD *const xd = &x->e_mbd; 2294 MODE_INFO *const mi = xd->mi[0]; 2295 int_mv *const candidates = x->mbmi_ext->ref_mvs[ref_frame]; 2296 const struct scale_factors *const sf = &cm->frame_refs[ref_frame - 1].sf; 2297 MB_MODE_INFO_EXT *const mbmi_ext = x->mbmi_ext; 2298 2299 assert(yv12 != NULL); 2300 2301 // TODO(jkoleszar): Is the UV buffer ever used here? If so, need to make this 2302 // use the UV scaling factors. 2303 vp9_setup_pred_block(xd, yv12_mb[ref_frame], yv12, mi_row, mi_col, sf, sf); 2304 2305 // Gets an initial list of candidate vectors from neighbours and orders them 2306 vp9_find_mv_refs(cm, xd, mi, ref_frame, candidates, mi_row, mi_col, 2307 mbmi_ext->mode_context); 2308 2309 // Candidate refinement carried out at encoder and decoder 2310 vp9_find_best_ref_mvs(xd, cm->allow_high_precision_mv, candidates, 2311 &frame_nearest_mv[ref_frame], 2312 &frame_near_mv[ref_frame]); 2313 2314 // Further refinement that is encode side only to test the top few candidates 2315 // in full and choose the best as the centre point for subsequent searches. 2316 // The current implementation doesn't support scaling. 2317 if (!vp9_is_scaled(sf) && block_size >= BLOCK_8X8) 2318 vp9_mv_pred(cpi, x, yv12_mb[ref_frame][0].buf, yv12->y_stride, ref_frame, 2319 block_size); 2320 } 2321 2322 static void single_motion_search(VP9_COMP *cpi, MACROBLOCK *x, BLOCK_SIZE bsize, 2323 int mi_row, int mi_col, int_mv *tmp_mv, 2324 int *rate_mv) { 2325 MACROBLOCKD *xd = &x->e_mbd; 2326 const VP9_COMMON *cm = &cpi->common; 2327 MODE_INFO *mi = xd->mi[0]; 2328 struct buf_2d backup_yv12[MAX_MB_PLANE] = { { 0, 0 } }; 2329 int bestsme = INT_MAX; 2330 int step_param; 2331 int sadpb = x->sadperbit16; 2332 MV mvp_full; 2333 int ref = mi->ref_frame[0]; 2334 MV ref_mv = x->mbmi_ext->ref_mvs[ref][0].as_mv; 2335 const MvLimits tmp_mv_limits = x->mv_limits; 2336 int cost_list[5]; 2337 2338 const YV12_BUFFER_CONFIG *scaled_ref_frame = 2339 vp9_get_scaled_ref_frame(cpi, ref); 2340 2341 MV pred_mv[3]; 2342 pred_mv[0] = x->mbmi_ext->ref_mvs[ref][0].as_mv; 2343 pred_mv[1] = x->mbmi_ext->ref_mvs[ref][1].as_mv; 2344 pred_mv[2] = x->pred_mv[ref]; 2345 2346 if (scaled_ref_frame) { 2347 int i; 2348 // Swap out the reference frame for a version that's been scaled to 2349 // match the resolution of the current frame, allowing the existing 2350 // motion search code to be used without additional modifications. 2351 for (i = 0; i < MAX_MB_PLANE; i++) backup_yv12[i] = xd->plane[i].pre[0]; 2352 2353 vp9_setup_pre_planes(xd, 0, scaled_ref_frame, mi_row, mi_col, NULL); 2354 } 2355 2356 // Work out the size of the first step in the mv step search. 2357 // 0 here is maximum length first step. 1 is VPXMAX >> 1 etc. 2358 if (cpi->sf.mv.auto_mv_step_size && cm->show_frame) { 2359 // Take wtd average of the step_params based on the last frame's 2360 // max mv magnitude and that based on the best ref mvs of the current 2361 // block for the given reference. 2362 step_param = 2363 (vp9_init_search_range(x->max_mv_context[ref]) + cpi->mv_step_param) / 2364 2; 2365 } else { 2366 step_param = cpi->mv_step_param; 2367 } 2368 2369 if (cpi->sf.adaptive_motion_search && bsize < BLOCK_64X64) { 2370 int boffset = 2371 2 * (b_width_log2_lookup[BLOCK_64X64] - 2372 VPXMIN(b_height_log2_lookup[bsize], b_width_log2_lookup[bsize])); 2373 step_param = VPXMAX(step_param, boffset); 2374 } 2375 2376 if (cpi->sf.adaptive_motion_search) { 2377 int bwl = b_width_log2_lookup[bsize]; 2378 int bhl = b_height_log2_lookup[bsize]; 2379 int tlevel = x->pred_mv_sad[ref] >> (bwl + bhl + 4); 2380 2381 if (tlevel < 5) step_param += 2; 2382 2383 // prev_mv_sad is not setup for dynamically scaled frames. 2384 if (cpi->oxcf.resize_mode != RESIZE_DYNAMIC) { 2385 int i; 2386 for (i = LAST_FRAME; i <= ALTREF_FRAME && cm->show_frame; ++i) { 2387 if ((x->pred_mv_sad[ref] >> 3) > x->pred_mv_sad[i]) { 2388 x->pred_mv[ref].row = 0; 2389 x->pred_mv[ref].col = 0; 2390 tmp_mv->as_int = INVALID_MV; 2391 2392 if (scaled_ref_frame) { 2393 int i; 2394 for (i = 0; i < MAX_MB_PLANE; ++i) 2395 xd->plane[i].pre[0] = backup_yv12[i]; 2396 } 2397 return; 2398 } 2399 } 2400 } 2401 } 2402 2403 // Note: MV limits are modified here. Always restore the original values 2404 // after full-pixel motion search. 2405 vp9_set_mv_search_range(&x->mv_limits, &ref_mv); 2406 2407 mvp_full = pred_mv[x->mv_best_ref_index[ref]]; 2408 2409 mvp_full.col >>= 3; 2410 mvp_full.row >>= 3; 2411 2412 bestsme = vp9_full_pixel_search( 2413 cpi, x, bsize, &mvp_full, step_param, cpi->sf.mv.search_method, sadpb, 2414 cond_cost_list(cpi, cost_list), &ref_mv, &tmp_mv->as_mv, INT_MAX, 1); 2415 2416 x->mv_limits = tmp_mv_limits; 2417 2418 if (bestsme < INT_MAX) { 2419 uint32_t dis; /* TODO: use dis in distortion calculation later. */ 2420 cpi->find_fractional_mv_step( 2421 x, &tmp_mv->as_mv, &ref_mv, cm->allow_high_precision_mv, x->errorperbit, 2422 &cpi->fn_ptr[bsize], cpi->sf.mv.subpel_force_stop, 2423 cpi->sf.mv.subpel_iters_per_step, cond_cost_list(cpi, cost_list), 2424 x->nmvjointcost, x->mvcost, &dis, &x->pred_sse[ref], NULL, 0, 0); 2425 } 2426 *rate_mv = vp9_mv_bit_cost(&tmp_mv->as_mv, &ref_mv, x->nmvjointcost, 2427 x->mvcost, MV_COST_WEIGHT); 2428 2429 if (cpi->sf.adaptive_motion_search) x->pred_mv[ref] = tmp_mv->as_mv; 2430 2431 if (scaled_ref_frame) { 2432 int i; 2433 for (i = 0; i < MAX_MB_PLANE; i++) xd->plane[i].pre[0] = backup_yv12[i]; 2434 } 2435 } 2436 2437 static INLINE void restore_dst_buf(MACROBLOCKD *xd, 2438 uint8_t *orig_dst[MAX_MB_PLANE], 2439 int orig_dst_stride[MAX_MB_PLANE]) { 2440 int i; 2441 for (i = 0; i < MAX_MB_PLANE; i++) { 2442 xd->plane[i].dst.buf = orig_dst[i]; 2443 xd->plane[i].dst.stride = orig_dst_stride[i]; 2444 } 2445 } 2446 2447 // In some situations we want to discount tha pparent cost of a new motion 2448 // vector. Where there is a subtle motion field and especially where there is 2449 // low spatial complexity then it can be hard to cover the cost of a new motion 2450 // vector in a single block, even if that motion vector reduces distortion. 2451 // However, once established that vector may be usable through the nearest and 2452 // near mv modes to reduce distortion in subsequent blocks and also improve 2453 // visual quality. 2454 static int discount_newmv_test(const VP9_COMP *cpi, int this_mode, 2455 int_mv this_mv, 2456 int_mv (*mode_mv)[MAX_REF_FRAMES], 2457 int ref_frame) { 2458 return (!cpi->rc.is_src_frame_alt_ref && (this_mode == NEWMV) && 2459 (this_mv.as_int != 0) && 2460 ((mode_mv[NEARESTMV][ref_frame].as_int == 0) || 2461 (mode_mv[NEARESTMV][ref_frame].as_int == INVALID_MV)) && 2462 ((mode_mv[NEARMV][ref_frame].as_int == 0) || 2463 (mode_mv[NEARMV][ref_frame].as_int == INVALID_MV))); 2464 } 2465 2466 static int64_t handle_inter_mode( 2467 VP9_COMP *cpi, MACROBLOCK *x, BLOCK_SIZE bsize, int *rate2, 2468 int64_t *distortion, int *skippable, int *rate_y, int *rate_uv, 2469 int *disable_skip, int_mv (*mode_mv)[MAX_REF_FRAMES], int mi_row, 2470 int mi_col, int_mv single_newmv[MAX_REF_FRAMES], 2471 INTERP_FILTER (*single_filter)[MAX_REF_FRAMES], 2472 int (*single_skippable)[MAX_REF_FRAMES], int64_t *psse, 2473 const int64_t ref_best_rd, int64_t *mask_filter, int64_t filter_cache[]) { 2474 VP9_COMMON *cm = &cpi->common; 2475 MACROBLOCKD *xd = &x->e_mbd; 2476 MODE_INFO *mi = xd->mi[0]; 2477 MB_MODE_INFO_EXT *const mbmi_ext = x->mbmi_ext; 2478 const int is_comp_pred = has_second_ref(mi); 2479 const int this_mode = mi->mode; 2480 int_mv *frame_mv = mode_mv[this_mode]; 2481 int i; 2482 int refs[2] = { mi->ref_frame[0], 2483 (mi->ref_frame[1] < 0 ? 0 : mi->ref_frame[1]) }; 2484 int_mv cur_mv[2]; 2485 #if CONFIG_VP9_HIGHBITDEPTH 2486 DECLARE_ALIGNED(16, uint16_t, tmp_buf16[MAX_MB_PLANE * 64 * 64]); 2487 uint8_t *tmp_buf; 2488 #else 2489 DECLARE_ALIGNED(16, uint8_t, tmp_buf[MAX_MB_PLANE * 64 * 64]); 2490 #endif // CONFIG_VP9_HIGHBITDEPTH 2491 int pred_exists = 0; 2492 int intpel_mv; 2493 int64_t rd, tmp_rd, best_rd = INT64_MAX; 2494 int best_needs_copy = 0; 2495 uint8_t *orig_dst[MAX_MB_PLANE]; 2496 int orig_dst_stride[MAX_MB_PLANE]; 2497 int rs = 0; 2498 INTERP_FILTER best_filter = SWITCHABLE; 2499 uint8_t skip_txfm[MAX_MB_PLANE << 2] = { 0 }; 2500 int64_t bsse[MAX_MB_PLANE << 2] = { 0 }; 2501 2502 int bsl = mi_width_log2_lookup[bsize]; 2503 int pred_filter_search = 2504 cpi->sf.cb_pred_filter_search 2505 ? (((mi_row + mi_col) >> bsl) + 2506 get_chessboard_index(cm->current_video_frame)) & 2507 0x1 2508 : 0; 2509 2510 int skip_txfm_sb = 0; 2511 int64_t skip_sse_sb = INT64_MAX; 2512 int64_t distortion_y = 0, distortion_uv = 0; 2513 2514 #if CONFIG_VP9_HIGHBITDEPTH 2515 if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { 2516 tmp_buf = CONVERT_TO_BYTEPTR(tmp_buf16); 2517 } else { 2518 tmp_buf = (uint8_t *)tmp_buf16; 2519 } 2520 #endif // CONFIG_VP9_HIGHBITDEPTH 2521 2522 if (pred_filter_search) { 2523 INTERP_FILTER af = SWITCHABLE, lf = SWITCHABLE; 2524 if (xd->above_mi && is_inter_block(xd->above_mi)) 2525 af = xd->above_mi->interp_filter; 2526 if (xd->left_mi && is_inter_block(xd->left_mi)) 2527 lf = xd->left_mi->interp_filter; 2528 2529 if ((this_mode != NEWMV) || (af == lf)) best_filter = af; 2530 } 2531 2532 if (is_comp_pred) { 2533 if (frame_mv[refs[0]].as_int == INVALID_MV || 2534 frame_mv[refs[1]].as_int == INVALID_MV) 2535 return INT64_MAX; 2536 2537 if (cpi->sf.adaptive_mode_search) { 2538 if (single_filter[this_mode][refs[0]] == 2539 single_filter[this_mode][refs[1]]) 2540 best_filter = single_filter[this_mode][refs[0]]; 2541 } 2542 } 2543 2544 if (this_mode == NEWMV) { 2545 int rate_mv; 2546 if (is_comp_pred) { 2547 // Initialize mv using single prediction mode result. 2548 frame_mv[refs[0]].as_int = single_newmv[refs[0]].as_int; 2549 frame_mv[refs[1]].as_int = single_newmv[refs[1]].as_int; 2550 2551 if (cpi->sf.comp_inter_joint_search_thresh <= bsize) { 2552 joint_motion_search(cpi, x, bsize, frame_mv, mi_row, mi_col, 2553 single_newmv, &rate_mv); 2554 } else { 2555 rate_mv = vp9_mv_bit_cost(&frame_mv[refs[0]].as_mv, 2556 &x->mbmi_ext->ref_mvs[refs[0]][0].as_mv, 2557 x->nmvjointcost, x->mvcost, MV_COST_WEIGHT); 2558 rate_mv += vp9_mv_bit_cost(&frame_mv[refs[1]].as_mv, 2559 &x->mbmi_ext->ref_mvs[refs[1]][0].as_mv, 2560 x->nmvjointcost, x->mvcost, MV_COST_WEIGHT); 2561 } 2562 *rate2 += rate_mv; 2563 } else { 2564 int_mv tmp_mv; 2565 single_motion_search(cpi, x, bsize, mi_row, mi_col, &tmp_mv, &rate_mv); 2566 if (tmp_mv.as_int == INVALID_MV) return INT64_MAX; 2567 2568 frame_mv[refs[0]].as_int = xd->mi[0]->bmi[0].as_mv[0].as_int = 2569 tmp_mv.as_int; 2570 single_newmv[refs[0]].as_int = tmp_mv.as_int; 2571 2572 // Estimate the rate implications of a new mv but discount this 2573 // under certain circumstances where we want to help initiate a weak 2574 // motion field, where the distortion gain for a single block may not 2575 // be enough to overcome the cost of a new mv. 2576 if (discount_newmv_test(cpi, this_mode, tmp_mv, mode_mv, refs[0])) { 2577 *rate2 += VPXMAX((rate_mv / NEW_MV_DISCOUNT_FACTOR), 1); 2578 } else { 2579 *rate2 += rate_mv; 2580 } 2581 } 2582 } 2583 2584 for (i = 0; i < is_comp_pred + 1; ++i) { 2585 cur_mv[i] = frame_mv[refs[i]]; 2586 // Clip "next_nearest" so that it does not extend to far out of image 2587 if (this_mode != NEWMV) clamp_mv2(&cur_mv[i].as_mv, xd); 2588 2589 if (mv_check_bounds(&x->mv_limits, &cur_mv[i].as_mv)) return INT64_MAX; 2590 mi->mv[i].as_int = cur_mv[i].as_int; 2591 } 2592 2593 // do first prediction into the destination buffer. Do the next 2594 // prediction into a temporary buffer. Then keep track of which one 2595 // of these currently holds the best predictor, and use the other 2596 // one for future predictions. In the end, copy from tmp_buf to 2597 // dst if necessary. 2598 for (i = 0; i < MAX_MB_PLANE; i++) { 2599 orig_dst[i] = xd->plane[i].dst.buf; 2600 orig_dst_stride[i] = xd->plane[i].dst.stride; 2601 } 2602 2603 // We don't include the cost of the second reference here, because there 2604 // are only two options: Last/ARF or Golden/ARF; The second one is always 2605 // known, which is ARF. 2606 // 2607 // Under some circumstances we discount the cost of new mv mode to encourage 2608 // initiation of a motion field. 2609 if (discount_newmv_test(cpi, this_mode, frame_mv[refs[0]], mode_mv, 2610 refs[0])) { 2611 *rate2 += 2612 VPXMIN(cost_mv_ref(cpi, this_mode, mbmi_ext->mode_context[refs[0]]), 2613 cost_mv_ref(cpi, NEARESTMV, mbmi_ext->mode_context[refs[0]])); 2614 } else { 2615 *rate2 += cost_mv_ref(cpi, this_mode, mbmi_ext->mode_context[refs[0]]); 2616 } 2617 2618 if (RDCOST(x->rdmult, x->rddiv, *rate2, 0) > ref_best_rd && 2619 mi->mode != NEARESTMV) 2620 return INT64_MAX; 2621 2622 pred_exists = 0; 2623 // Are all MVs integer pel for Y and UV 2624 intpel_mv = !mv_has_subpel(&mi->mv[0].as_mv); 2625 if (is_comp_pred) intpel_mv &= !mv_has_subpel(&mi->mv[1].as_mv); 2626 2627 // Search for best switchable filter by checking the variance of 2628 // pred error irrespective of whether the filter will be used 2629 for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; ++i) filter_cache[i] = INT64_MAX; 2630 2631 if (cm->interp_filter != BILINEAR) { 2632 if (x->source_variance < cpi->sf.disable_filter_search_var_thresh) { 2633 best_filter = EIGHTTAP; 2634 } else if (best_filter == SWITCHABLE) { 2635 int newbest; 2636 int tmp_rate_sum = 0; 2637 int64_t tmp_dist_sum = 0; 2638 2639 for (i = 0; i < SWITCHABLE_FILTERS; ++i) { 2640 int j; 2641 int64_t rs_rd; 2642 int tmp_skip_sb = 0; 2643 int64_t tmp_skip_sse = INT64_MAX; 2644 2645 mi->interp_filter = i; 2646 rs = vp9_get_switchable_rate(cpi, xd); 2647 rs_rd = RDCOST(x->rdmult, x->rddiv, rs, 0); 2648 2649 if (i > 0 && intpel_mv) { 2650 rd = RDCOST(x->rdmult, x->rddiv, tmp_rate_sum, tmp_dist_sum); 2651 filter_cache[i] = rd; 2652 filter_cache[SWITCHABLE_FILTERS] = 2653 VPXMIN(filter_cache[SWITCHABLE_FILTERS], rd + rs_rd); 2654 if (cm->interp_filter == SWITCHABLE) rd += rs_rd; 2655 *mask_filter = VPXMAX(*mask_filter, rd); 2656 } else { 2657 int rate_sum = 0; 2658 int64_t dist_sum = 0; 2659 if (i > 0 && cpi->sf.adaptive_interp_filter_search && 2660 (cpi->sf.interp_filter_search_mask & (1 << i))) { 2661 rate_sum = INT_MAX; 2662 dist_sum = INT64_MAX; 2663 continue; 2664 } 2665 2666 if ((cm->interp_filter == SWITCHABLE && (!i || best_needs_copy)) || 2667 (cm->interp_filter != SWITCHABLE && 2668 (cm->interp_filter == mi->interp_filter || 2669 (i == 0 && intpel_mv)))) { 2670 restore_dst_buf(xd, orig_dst, orig_dst_stride); 2671 } else { 2672 for (j = 0; j < MAX_MB_PLANE; j++) { 2673 xd->plane[j].dst.buf = tmp_buf + j * 64 * 64; 2674 xd->plane[j].dst.stride = 64; 2675 } 2676 } 2677 vp9_build_inter_predictors_sb(xd, mi_row, mi_col, bsize); 2678 model_rd_for_sb(cpi, bsize, x, xd, &rate_sum, &dist_sum, &tmp_skip_sb, 2679 &tmp_skip_sse); 2680 2681 rd = RDCOST(x->rdmult, x->rddiv, rate_sum, dist_sum); 2682 filter_cache[i] = rd; 2683 filter_cache[SWITCHABLE_FILTERS] = 2684 VPXMIN(filter_cache[SWITCHABLE_FILTERS], rd + rs_rd); 2685 if (cm->interp_filter == SWITCHABLE) rd += rs_rd; 2686 *mask_filter = VPXMAX(*mask_filter, rd); 2687 2688 if (i == 0 && intpel_mv) { 2689 tmp_rate_sum = rate_sum; 2690 tmp_dist_sum = dist_sum; 2691 } 2692 } 2693 2694 if (i == 0 && cpi->sf.use_rd_breakout && ref_best_rd < INT64_MAX) { 2695 if (rd / 2 > ref_best_rd) { 2696 restore_dst_buf(xd, orig_dst, orig_dst_stride); 2697 return INT64_MAX; 2698 } 2699 } 2700 newbest = i == 0 || rd < best_rd; 2701 2702 if (newbest) { 2703 best_rd = rd; 2704 best_filter = mi->interp_filter; 2705 if (cm->interp_filter == SWITCHABLE && i && !intpel_mv) 2706 best_needs_copy = !best_needs_copy; 2707 } 2708 2709 if ((cm->interp_filter == SWITCHABLE && newbest) || 2710 (cm->interp_filter != SWITCHABLE && 2711 cm->interp_filter == mi->interp_filter)) { 2712 pred_exists = 1; 2713 tmp_rd = best_rd; 2714 2715 skip_txfm_sb = tmp_skip_sb; 2716 skip_sse_sb = tmp_skip_sse; 2717 memcpy(skip_txfm, x->skip_txfm, sizeof(skip_txfm)); 2718 memcpy(bsse, x->bsse, sizeof(bsse)); 2719 } 2720 } 2721 restore_dst_buf(xd, orig_dst, orig_dst_stride); 2722 } 2723 } 2724 // Set the appropriate filter 2725 mi->interp_filter = 2726 cm->interp_filter != SWITCHABLE ? cm->interp_filter : best_filter; 2727 rs = cm->interp_filter == SWITCHABLE ? vp9_get_switchable_rate(cpi, xd) : 0; 2728 2729 if (pred_exists) { 2730 if (best_needs_copy) { 2731 // again temporarily set the buffers to local memory to prevent a memcpy 2732 for (i = 0; i < MAX_MB_PLANE; i++) { 2733 xd->plane[i].dst.buf = tmp_buf + i * 64 * 64; 2734 xd->plane[i].dst.stride = 64; 2735 } 2736 } 2737 rd = tmp_rd + RDCOST(x->rdmult, x->rddiv, rs, 0); 2738 } else { 2739 int tmp_rate; 2740 int64_t tmp_dist; 2741 // Handles the special case when a filter that is not in the 2742 // switchable list (ex. bilinear) is indicated at the frame level, or 2743 // skip condition holds. 2744 vp9_build_inter_predictors_sb(xd, mi_row, mi_col, bsize); 2745 model_rd_for_sb(cpi, bsize, x, xd, &tmp_rate, &tmp_dist, &skip_txfm_sb, 2746 &skip_sse_sb); 2747 rd = RDCOST(x->rdmult, x->rddiv, rs + tmp_rate, tmp_dist); 2748 memcpy(skip_txfm, x->skip_txfm, sizeof(skip_txfm)); 2749 memcpy(bsse, x->bsse, sizeof(bsse)); 2750 } 2751 2752 if (!is_comp_pred) single_filter[this_mode][refs[0]] = mi->interp_filter; 2753 2754 if (cpi->sf.adaptive_mode_search) 2755 if (is_comp_pred) 2756 if (single_skippable[this_mode][refs[0]] && 2757 single_skippable[this_mode][refs[1]]) 2758 memset(skip_txfm, SKIP_TXFM_AC_DC, sizeof(skip_txfm)); 2759 2760 if (cpi->sf.use_rd_breakout && ref_best_rd < INT64_MAX) { 2761 // if current pred_error modeled rd is substantially more than the best 2762 // so far, do not bother doing full rd 2763 if (rd / 2 > ref_best_rd) { 2764 restore_dst_buf(xd, orig_dst, orig_dst_stride); 2765 return INT64_MAX; 2766 } 2767 } 2768 2769 if (cm->interp_filter == SWITCHABLE) *rate2 += rs; 2770 2771 memcpy(x->skip_txfm, skip_txfm, sizeof(skip_txfm)); 2772 memcpy(x->bsse, bsse, sizeof(bsse)); 2773 2774 if (!skip_txfm_sb) { 2775 int skippable_y, skippable_uv; 2776 int64_t sseuv = INT64_MAX; 2777 int64_t rdcosty = INT64_MAX; 2778 2779 // Y cost and distortion 2780 vp9_subtract_plane(x, bsize, 0); 2781 super_block_yrd(cpi, x, rate_y, &distortion_y, &skippable_y, psse, bsize, 2782 ref_best_rd); 2783 2784 if (*rate_y == INT_MAX) { 2785 *rate2 = INT_MAX; 2786 *distortion = INT64_MAX; 2787 restore_dst_buf(xd, orig_dst, orig_dst_stride); 2788 return INT64_MAX; 2789 } 2790 2791 *rate2 += *rate_y; 2792 *distortion += distortion_y; 2793 2794 rdcosty = RDCOST(x->rdmult, x->rddiv, *rate2, *distortion); 2795 rdcosty = VPXMIN(rdcosty, RDCOST(x->rdmult, x->rddiv, 0, *psse)); 2796 2797 if (!super_block_uvrd(cpi, x, rate_uv, &distortion_uv, &skippable_uv, 2798 &sseuv, bsize, ref_best_rd - rdcosty)) { 2799 *rate2 = INT_MAX; 2800 *distortion = INT64_MAX; 2801 restore_dst_buf(xd, orig_dst, orig_dst_stride); 2802 return INT64_MAX; 2803 } 2804 2805 *psse += sseuv; 2806 *rate2 += *rate_uv; 2807 *distortion += distortion_uv; 2808 *skippable = skippable_y && skippable_uv; 2809 } else { 2810 x->skip = 1; 2811 *disable_skip = 1; 2812 2813 // The cost of skip bit needs to be added. 2814 *rate2 += vp9_cost_bit(vp9_get_skip_prob(cm, xd), 1); 2815 2816 *distortion = skip_sse_sb; 2817 } 2818 2819 if (!is_comp_pred) single_skippable[this_mode][refs[0]] = *skippable; 2820 2821 restore_dst_buf(xd, orig_dst, orig_dst_stride); 2822 return 0; // The rate-distortion cost will be re-calculated by caller. 2823 } 2824 2825 void vp9_rd_pick_intra_mode_sb(VP9_COMP *cpi, MACROBLOCK *x, RD_COST *rd_cost, 2826 BLOCK_SIZE bsize, PICK_MODE_CONTEXT *ctx, 2827 int64_t best_rd) { 2828 VP9_COMMON *const cm = &cpi->common; 2829 MACROBLOCKD *const xd = &x->e_mbd; 2830 struct macroblockd_plane *const pd = xd->plane; 2831 int rate_y = 0, rate_uv = 0, rate_y_tokenonly = 0, rate_uv_tokenonly = 0; 2832 int y_skip = 0, uv_skip = 0; 2833 int64_t dist_y = 0, dist_uv = 0; 2834 TX_SIZE max_uv_tx_size; 2835 x->skip_encode = 0; 2836 ctx->skip = 0; 2837 xd->mi[0]->ref_frame[0] = INTRA_FRAME; 2838 xd->mi[0]->ref_frame[1] = NONE; 2839 // Initialize interp_filter here so we do not have to check for inter block 2840 // modes in get_pred_context_switchable_interp() 2841 xd->mi[0]->interp_filter = SWITCHABLE_FILTERS; 2842 2843 if (bsize >= BLOCK_8X8) { 2844 if (rd_pick_intra_sby_mode(cpi, x, &rate_y, &rate_y_tokenonly, &dist_y, 2845 &y_skip, bsize, best_rd) >= best_rd) { 2846 rd_cost->rate = INT_MAX; 2847 return; 2848 } 2849 } else { 2850 y_skip = 0; 2851 if (rd_pick_intra_sub_8x8_y_mode(cpi, x, &rate_y, &rate_y_tokenonly, 2852 &dist_y, best_rd) >= best_rd) { 2853 rd_cost->rate = INT_MAX; 2854 return; 2855 } 2856 } 2857 max_uv_tx_size = uv_txsize_lookup[bsize][xd->mi[0]->tx_size] 2858 [pd[1].subsampling_x][pd[1].subsampling_y]; 2859 rd_pick_intra_sbuv_mode(cpi, x, ctx, &rate_uv, &rate_uv_tokenonly, &dist_uv, 2860 &uv_skip, VPXMAX(BLOCK_8X8, bsize), max_uv_tx_size); 2861 2862 if (y_skip && uv_skip) { 2863 rd_cost->rate = rate_y + rate_uv - rate_y_tokenonly - rate_uv_tokenonly + 2864 vp9_cost_bit(vp9_get_skip_prob(cm, xd), 1); 2865 rd_cost->dist = dist_y + dist_uv; 2866 } else { 2867 rd_cost->rate = 2868 rate_y + rate_uv + vp9_cost_bit(vp9_get_skip_prob(cm, xd), 0); 2869 rd_cost->dist = dist_y + dist_uv; 2870 } 2871 2872 ctx->mic = *xd->mi[0]; 2873 ctx->mbmi_ext = *x->mbmi_ext; 2874 rd_cost->rdcost = RDCOST(x->rdmult, x->rddiv, rd_cost->rate, rd_cost->dist); 2875 } 2876 2877 // This function is designed to apply a bias or adjustment to an rd value based 2878 // on the relative variance of the source and reconstruction. 2879 #define VERY_LOW_VAR_THRESH 2 2880 #define LOW_VAR_THRESH 5 2881 #define VAR_MULT 100 2882 static unsigned int max_var_adjust[VP9E_CONTENT_INVALID] = { 16, 16, 100 }; 2883 2884 static void rd_variance_adjustment(VP9_COMP *cpi, MACROBLOCK *x, 2885 BLOCK_SIZE bsize, int64_t *this_rd, 2886 MV_REFERENCE_FRAME ref_frame, 2887 unsigned int source_variance) { 2888 MACROBLOCKD *const xd = &x->e_mbd; 2889 unsigned int rec_variance; 2890 unsigned int src_variance; 2891 unsigned int src_rec_min; 2892 unsigned int absvar_diff = 0; 2893 unsigned int var_factor = 0; 2894 unsigned int adj_max; 2895 vp9e_tune_content content_type = cpi->oxcf.content; 2896 2897 if (*this_rd == INT64_MAX) return; 2898 2899 #if CONFIG_VP9_HIGHBITDEPTH 2900 if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { 2901 if (source_variance > 0) { 2902 rec_variance = vp9_high_get_sby_perpixel_variance(cpi, &xd->plane[0].dst, 2903 bsize, xd->bd); 2904 src_variance = source_variance; 2905 } else { 2906 rec_variance = 2907 vp9_high_get_sby_variance(cpi, &xd->plane[0].dst, bsize, xd->bd); 2908 src_variance = 2909 vp9_high_get_sby_variance(cpi, &x->plane[0].src, bsize, xd->bd); 2910 } 2911 } else { 2912 if (source_variance > 0) { 2913 rec_variance = 2914 vp9_get_sby_perpixel_variance(cpi, &xd->plane[0].dst, bsize); 2915 src_variance = source_variance; 2916 } else { 2917 rec_variance = vp9_get_sby_variance(cpi, &xd->plane[0].dst, bsize); 2918 src_variance = vp9_get_sby_variance(cpi, &x->plane[0].src, bsize); 2919 } 2920 } 2921 #else 2922 if (source_variance > 0) { 2923 rec_variance = vp9_get_sby_perpixel_variance(cpi, &xd->plane[0].dst, bsize); 2924 src_variance = source_variance; 2925 } else { 2926 rec_variance = vp9_get_sby_variance(cpi, &xd->plane[0].dst, bsize); 2927 src_variance = vp9_get_sby_variance(cpi, &x->plane[0].src, bsize); 2928 } 2929 #endif // CONFIG_VP9_HIGHBITDEPTH 2930 2931 // Lower of source (raw per pixel value) and recon variance. Note that 2932 // if the source per pixel is 0 then the recon value here will not be per 2933 // pixel (see above) so will likely be much larger. 2934 src_rec_min = VPXMIN(source_variance, rec_variance); 2935 2936 if (src_rec_min > LOW_VAR_THRESH) return; 2937 2938 absvar_diff = (src_variance > rec_variance) ? (src_variance - rec_variance) 2939 : (rec_variance - src_variance); 2940 2941 adj_max = max_var_adjust[content_type]; 2942 2943 var_factor = 2944 (unsigned int)((int64_t)VAR_MULT * absvar_diff) / VPXMAX(1, src_variance); 2945 var_factor = VPXMIN(adj_max, var_factor); 2946 2947 *this_rd += (*this_rd * var_factor) / 100; 2948 2949 if (content_type == VP9E_CONTENT_FILM) { 2950 if (src_rec_min <= VERY_LOW_VAR_THRESH) { 2951 if (ref_frame == INTRA_FRAME) *this_rd *= 2; 2952 if (bsize > 6) *this_rd *= 2; 2953 } 2954 } 2955 } 2956 2957 // Do we have an internal image edge (e.g. formatting bars). 2958 int vp9_internal_image_edge(VP9_COMP *cpi) { 2959 return (cpi->oxcf.pass == 2) && 2960 ((cpi->twopass.this_frame_stats.inactive_zone_rows > 0) || 2961 (cpi->twopass.this_frame_stats.inactive_zone_cols > 0)); 2962 } 2963 2964 // Checks to see if a super block is on a horizontal image edge. 2965 // In most cases this is the "real" edge unless there are formatting 2966 // bars embedded in the stream. 2967 int vp9_active_h_edge(VP9_COMP *cpi, int mi_row, int mi_step) { 2968 int top_edge = 0; 2969 int bottom_edge = cpi->common.mi_rows; 2970 int is_active_h_edge = 0; 2971 2972 // For two pass account for any formatting bars detected. 2973 if (cpi->oxcf.pass == 2) { 2974 TWO_PASS *twopass = &cpi->twopass; 2975 2976 // The inactive region is specified in MBs not mi units. 2977 // The image edge is in the following MB row. 2978 top_edge += (int)(twopass->this_frame_stats.inactive_zone_rows * 2); 2979 2980 bottom_edge -= (int)(twopass->this_frame_stats.inactive_zone_rows * 2); 2981 bottom_edge = VPXMAX(top_edge, bottom_edge); 2982 } 2983 2984 if (((top_edge >= mi_row) && (top_edge < (mi_row + mi_step))) || 2985 ((bottom_edge >= mi_row) && (bottom_edge < (mi_row + mi_step)))) { 2986 is_active_h_edge = 1; 2987 } 2988 return is_active_h_edge; 2989 } 2990 2991 // Checks to see if a super block is on a vertical image edge. 2992 // In most cases this is the "real" edge unless there are formatting 2993 // bars embedded in the stream. 2994 int vp9_active_v_edge(VP9_COMP *cpi, int mi_col, int mi_step) { 2995 int left_edge = 0; 2996 int right_edge = cpi->common.mi_cols; 2997 int is_active_v_edge = 0; 2998 2999 // For two pass account for any formatting bars detected. 3000 if (cpi->oxcf.pass == 2) { 3001 TWO_PASS *twopass = &cpi->twopass; 3002 3003 // The inactive region is specified in MBs not mi units. 3004 // The image edge is in the following MB row. 3005 left_edge += (int)(twopass->this_frame_stats.inactive_zone_cols * 2); 3006 3007 right_edge -= (int)(twopass->this_frame_stats.inactive_zone_cols * 2); 3008 right_edge = VPXMAX(left_edge, right_edge); 3009 } 3010 3011 if (((left_edge >= mi_col) && (left_edge < (mi_col + mi_step))) || 3012 ((right_edge >= mi_col) && (right_edge < (mi_col + mi_step)))) { 3013 is_active_v_edge = 1; 3014 } 3015 return is_active_v_edge; 3016 } 3017 3018 // Checks to see if a super block is at the edge of the active image. 3019 // In most cases this is the "real" edge unless there are formatting 3020 // bars embedded in the stream. 3021 int vp9_active_edge_sb(VP9_COMP *cpi, int mi_row, int mi_col) { 3022 return vp9_active_h_edge(cpi, mi_row, MI_BLOCK_SIZE) || 3023 vp9_active_v_edge(cpi, mi_col, MI_BLOCK_SIZE); 3024 } 3025 3026 void vp9_rd_pick_inter_mode_sb(VP9_COMP *cpi, TileDataEnc *tile_data, 3027 MACROBLOCK *x, int mi_row, int mi_col, 3028 RD_COST *rd_cost, BLOCK_SIZE bsize, 3029 PICK_MODE_CONTEXT *ctx, int64_t best_rd_so_far) { 3030 VP9_COMMON *const cm = &cpi->common; 3031 TileInfo *const tile_info = &tile_data->tile_info; 3032 RD_OPT *const rd_opt = &cpi->rd; 3033 SPEED_FEATURES *const sf = &cpi->sf; 3034 MACROBLOCKD *const xd = &x->e_mbd; 3035 MODE_INFO *const mi = xd->mi[0]; 3036 MB_MODE_INFO_EXT *const mbmi_ext = x->mbmi_ext; 3037 const struct segmentation *const seg = &cm->seg; 3038 PREDICTION_MODE this_mode; 3039 MV_REFERENCE_FRAME ref_frame, second_ref_frame; 3040 unsigned char segment_id = mi->segment_id; 3041 int comp_pred, i, k; 3042 int_mv frame_mv[MB_MODE_COUNT][MAX_REF_FRAMES]; 3043 struct buf_2d yv12_mb[4][MAX_MB_PLANE]; 3044 int_mv single_newmv[MAX_REF_FRAMES] = { { 0 } }; 3045 INTERP_FILTER single_inter_filter[MB_MODE_COUNT][MAX_REF_FRAMES]; 3046 int single_skippable[MB_MODE_COUNT][MAX_REF_FRAMES]; 3047 static const int flag_list[4] = { 0, VP9_LAST_FLAG, VP9_GOLD_FLAG, 3048 VP9_ALT_FLAG }; 3049 int64_t best_rd = best_rd_so_far; 3050 int64_t best_pred_diff[REFERENCE_MODES]; 3051 int64_t best_pred_rd[REFERENCE_MODES]; 3052 int64_t best_filter_rd[SWITCHABLE_FILTER_CONTEXTS]; 3053 int64_t best_filter_diff[SWITCHABLE_FILTER_CONTEXTS]; 3054 MODE_INFO best_mbmode; 3055 int best_mode_skippable = 0; 3056 int midx, best_mode_index = -1; 3057 unsigned int ref_costs_single[MAX_REF_FRAMES], ref_costs_comp[MAX_REF_FRAMES]; 3058 vpx_prob comp_mode_p; 3059 int64_t best_intra_rd = INT64_MAX; 3060 unsigned int best_pred_sse = UINT_MAX; 3061 PREDICTION_MODE best_intra_mode = DC_PRED; 3062 int rate_uv_intra[TX_SIZES], rate_uv_tokenonly[TX_SIZES]; 3063 int64_t dist_uv[TX_SIZES]; 3064 int skip_uv[TX_SIZES]; 3065 PREDICTION_MODE mode_uv[TX_SIZES]; 3066 const int intra_cost_penalty = 3067 vp9_get_intra_cost_penalty(cpi, bsize, cm->base_qindex, cm->y_dc_delta_q); 3068 int best_skip2 = 0; 3069 uint8_t ref_frame_skip_mask[2] = { 0 }; 3070 uint16_t mode_skip_mask[MAX_REF_FRAMES] = { 0 }; 3071 int mode_skip_start = sf->mode_skip_start + 1; 3072 const int *const rd_threshes = rd_opt->threshes[segment_id][bsize]; 3073 const int *const rd_thresh_freq_fact = tile_data->thresh_freq_fact[bsize]; 3074 int64_t mode_threshold[MAX_MODES]; 3075 int *tile_mode_map = tile_data->mode_map[bsize]; 3076 int mode_map[MAX_MODES]; // Maintain mode_map information locally to avoid 3077 // lock mechanism involved with reads from 3078 // tile_mode_map 3079 const int mode_search_skip_flags = sf->mode_search_skip_flags; 3080 int64_t mask_filter = 0; 3081 int64_t filter_cache[SWITCHABLE_FILTER_CONTEXTS]; 3082 3083 vp9_zero(best_mbmode); 3084 3085 x->skip_encode = sf->skip_encode_frame && x->q_index < QIDX_SKIP_THRESH; 3086 3087 for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; ++i) filter_cache[i] = INT64_MAX; 3088 3089 estimate_ref_frame_costs(cm, xd, segment_id, ref_costs_single, ref_costs_comp, 3090 &comp_mode_p); 3091 3092 for (i = 0; i < REFERENCE_MODES; ++i) best_pred_rd[i] = INT64_MAX; 3093 for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; i++) 3094 best_filter_rd[i] = INT64_MAX; 3095 for (i = 0; i < TX_SIZES; i++) rate_uv_intra[i] = INT_MAX; 3096 for (i = 0; i < MAX_REF_FRAMES; ++i) x->pred_sse[i] = INT_MAX; 3097 for (i = 0; i < MB_MODE_COUNT; ++i) { 3098 for (k = 0; k < MAX_REF_FRAMES; ++k) { 3099 single_inter_filter[i][k] = SWITCHABLE; 3100 single_skippable[i][k] = 0; 3101 } 3102 } 3103 3104 rd_cost->rate = INT_MAX; 3105 3106 for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) { 3107 x->pred_mv_sad[ref_frame] = INT_MAX; 3108 if (cpi->ref_frame_flags & flag_list[ref_frame]) { 3109 assert(get_ref_frame_buffer(cpi, ref_frame) != NULL); 3110 setup_buffer_inter(cpi, x, ref_frame, bsize, mi_row, mi_col, 3111 frame_mv[NEARESTMV], frame_mv[NEARMV], yv12_mb); 3112 } 3113 frame_mv[NEWMV][ref_frame].as_int = INVALID_MV; 3114 frame_mv[ZEROMV][ref_frame].as_int = 0; 3115 } 3116 3117 for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ++ref_frame) { 3118 if (!(cpi->ref_frame_flags & flag_list[ref_frame])) { 3119 // Skip checking missing references in both single and compound reference 3120 // modes. Note that a mode will be skipped if both reference frames 3121 // are masked out. 3122 ref_frame_skip_mask[0] |= (1 << ref_frame); 3123 ref_frame_skip_mask[1] |= SECOND_REF_FRAME_MASK; 3124 } else if (sf->reference_masking) { 3125 for (i = LAST_FRAME; i <= ALTREF_FRAME; ++i) { 3126 // Skip fixed mv modes for poor references 3127 if ((x->pred_mv_sad[ref_frame] >> 2) > x->pred_mv_sad[i]) { 3128 mode_skip_mask[ref_frame] |= INTER_NEAREST_NEAR_ZERO; 3129 break; 3130 } 3131 } 3132 } 3133 // If the segment reference frame feature is enabled.... 3134 // then do nothing if the current ref frame is not allowed.. 3135 if (segfeature_active(seg, segment_id, SEG_LVL_REF_FRAME) && 3136 get_segdata(seg, segment_id, SEG_LVL_REF_FRAME) != (int)ref_frame) { 3137 ref_frame_skip_mask[0] |= (1 << ref_frame); 3138 ref_frame_skip_mask[1] |= SECOND_REF_FRAME_MASK; 3139 } 3140 } 3141 3142 // Disable this drop out case if the ref frame 3143 // segment level feature is enabled for this segment. This is to 3144 // prevent the possibility that we end up unable to pick any mode. 3145 if (!segfeature_active(seg, segment_id, SEG_LVL_REF_FRAME)) { 3146 // Only consider ZEROMV/ALTREF_FRAME for alt ref frame, 3147 // unless ARNR filtering is enabled in which case we want 3148 // an unfiltered alternative. We allow near/nearest as well 3149 // because they may result in zero-zero MVs but be cheaper. 3150 if (cpi->rc.is_src_frame_alt_ref && (cpi->oxcf.arnr_max_frames == 0)) { 3151 ref_frame_skip_mask[0] = (1 << LAST_FRAME) | (1 << GOLDEN_FRAME); 3152 ref_frame_skip_mask[1] = SECOND_REF_FRAME_MASK; 3153 mode_skip_mask[ALTREF_FRAME] = ~INTER_NEAREST_NEAR_ZERO; 3154 if (frame_mv[NEARMV][ALTREF_FRAME].as_int != 0) 3155 mode_skip_mask[ALTREF_FRAME] |= (1 << NEARMV); 3156 if (frame_mv[NEARESTMV][ALTREF_FRAME].as_int != 0) 3157 mode_skip_mask[ALTREF_FRAME] |= (1 << NEARESTMV); 3158 } 3159 } 3160 3161 if (cpi->rc.is_src_frame_alt_ref) { 3162 if (sf->alt_ref_search_fp) { 3163 mode_skip_mask[ALTREF_FRAME] = 0; 3164 ref_frame_skip_mask[0] = ~(1 << ALTREF_FRAME); 3165 ref_frame_skip_mask[1] = SECOND_REF_FRAME_MASK; 3166 } 3167 } 3168 3169 if (sf->alt_ref_search_fp) 3170 if (!cm->show_frame && x->pred_mv_sad[GOLDEN_FRAME] < INT_MAX) 3171 if (x->pred_mv_sad[ALTREF_FRAME] > (x->pred_mv_sad[GOLDEN_FRAME] << 1)) 3172 mode_skip_mask[ALTREF_FRAME] |= INTER_ALL; 3173 3174 if (sf->adaptive_mode_search) { 3175 if (cm->show_frame && !cpi->rc.is_src_frame_alt_ref && 3176 cpi->rc.frames_since_golden >= 3) 3177 if (x->pred_mv_sad[GOLDEN_FRAME] > (x->pred_mv_sad[LAST_FRAME] << 1)) 3178 mode_skip_mask[GOLDEN_FRAME] |= INTER_ALL; 3179 } 3180 3181 if (bsize > sf->max_intra_bsize) { 3182 ref_frame_skip_mask[0] |= (1 << INTRA_FRAME); 3183 ref_frame_skip_mask[1] |= (1 << INTRA_FRAME); 3184 } 3185 3186 mode_skip_mask[INTRA_FRAME] |= 3187 ~(sf->intra_y_mode_mask[max_txsize_lookup[bsize]]); 3188 3189 for (i = 0; i <= LAST_NEW_MV_INDEX; ++i) mode_threshold[i] = 0; 3190 3191 for (i = LAST_NEW_MV_INDEX + 1; i < MAX_MODES; ++i) 3192 mode_threshold[i] = ((int64_t)rd_threshes[i] * rd_thresh_freq_fact[i]) >> 5; 3193 3194 midx = sf->schedule_mode_search ? mode_skip_start : 0; 3195 3196 while (midx > 4) { 3197 uint8_t end_pos = 0; 3198 for (i = 5; i < midx; ++i) { 3199 if (mode_threshold[tile_mode_map[i - 1]] > 3200 mode_threshold[tile_mode_map[i]]) { 3201 uint8_t tmp = tile_mode_map[i]; 3202 tile_mode_map[i] = tile_mode_map[i - 1]; 3203 tile_mode_map[i - 1] = tmp; 3204 end_pos = i; 3205 } 3206 } 3207 midx = end_pos; 3208 } 3209 3210 memcpy(mode_map, tile_mode_map, sizeof(mode_map)); 3211 3212 for (midx = 0; midx < MAX_MODES; ++midx) { 3213 int mode_index = mode_map[midx]; 3214 int mode_excluded = 0; 3215 int64_t this_rd = INT64_MAX; 3216 int disable_skip = 0; 3217 int compmode_cost = 0; 3218 int rate2 = 0, rate_y = 0, rate_uv = 0; 3219 int64_t distortion2 = 0, distortion_y = 0, distortion_uv = 0; 3220 int skippable = 0; 3221 int this_skip2 = 0; 3222 int64_t total_sse = INT64_MAX; 3223 int early_term = 0; 3224 3225 this_mode = vp9_mode_order[mode_index].mode; 3226 ref_frame = vp9_mode_order[mode_index].ref_frame[0]; 3227 second_ref_frame = vp9_mode_order[mode_index].ref_frame[1]; 3228 3229 vp9_zero(x->sum_y_eobs); 3230 3231 // Look at the reference frame of the best mode so far and set the 3232 // skip mask to look at a subset of the remaining modes. 3233 if (midx == mode_skip_start && best_mode_index >= 0) { 3234 switch (best_mbmode.ref_frame[0]) { 3235 case INTRA_FRAME: break; 3236 case LAST_FRAME: 3237 ref_frame_skip_mask[0] |= LAST_FRAME_MODE_MASK; 3238 ref_frame_skip_mask[1] |= SECOND_REF_FRAME_MASK; 3239 break; 3240 case GOLDEN_FRAME: 3241 ref_frame_skip_mask[0] |= GOLDEN_FRAME_MODE_MASK; 3242 ref_frame_skip_mask[1] |= SECOND_REF_FRAME_MASK; 3243 break; 3244 case ALTREF_FRAME: ref_frame_skip_mask[0] |= ALT_REF_MODE_MASK; break; 3245 case NONE: 3246 case MAX_REF_FRAMES: assert(0 && "Invalid Reference frame"); break; 3247 } 3248 } 3249 3250 if ((ref_frame_skip_mask[0] & (1 << ref_frame)) && 3251 (ref_frame_skip_mask[1] & (1 << VPXMAX(0, second_ref_frame)))) 3252 continue; 3253 3254 if (mode_skip_mask[ref_frame] & (1 << this_mode)) continue; 3255 3256 // Test best rd so far against threshold for trying this mode. 3257 if (best_mode_skippable && sf->schedule_mode_search) 3258 mode_threshold[mode_index] <<= 1; 3259 3260 if (best_rd < mode_threshold[mode_index]) continue; 3261 3262 // This is only used in motion vector unit test. 3263 if (cpi->oxcf.motion_vector_unit_test && ref_frame == INTRA_FRAME) continue; 3264 3265 if (sf->motion_field_mode_search) { 3266 const int mi_width = VPXMIN(num_8x8_blocks_wide_lookup[bsize], 3267 tile_info->mi_col_end - mi_col); 3268 const int mi_height = VPXMIN(num_8x8_blocks_high_lookup[bsize], 3269 tile_info->mi_row_end - mi_row); 3270 const int bsl = mi_width_log2_lookup[bsize]; 3271 int cb_partition_search_ctrl = 3272 (((mi_row + mi_col) >> bsl) + 3273 get_chessboard_index(cm->current_video_frame)) & 3274 0x1; 3275 MODE_INFO *ref_mi; 3276 int const_motion = 1; 3277 int skip_ref_frame = !cb_partition_search_ctrl; 3278 MV_REFERENCE_FRAME rf = NONE; 3279 int_mv ref_mv; 3280 ref_mv.as_int = INVALID_MV; 3281 3282 if ((mi_row - 1) >= tile_info->mi_row_start) { 3283 ref_mv = xd->mi[-xd->mi_stride]->mv[0]; 3284 rf = xd->mi[-xd->mi_stride]->ref_frame[0]; 3285 for (i = 0; i < mi_width; ++i) { 3286 ref_mi = xd->mi[-xd->mi_stride + i]; 3287 const_motion &= (ref_mv.as_int == ref_mi->mv[0].as_int) && 3288 (ref_frame == ref_mi->ref_frame[0]); 3289 skip_ref_frame &= (rf == ref_mi->ref_frame[0]); 3290 } 3291 } 3292 3293 if ((mi_col - 1) >= tile_info->mi_col_start) { 3294 if (ref_mv.as_int == INVALID_MV) ref_mv = xd->mi[-1]->mv[0]; 3295 if (rf == NONE) rf = xd->mi[-1]->ref_frame[0]; 3296 for (i = 0; i < mi_height; ++i) { 3297 ref_mi = xd->mi[i * xd->mi_stride - 1]; 3298 const_motion &= (ref_mv.as_int == ref_mi->mv[0].as_int) && 3299 (ref_frame == ref_mi->ref_frame[0]); 3300 skip_ref_frame &= (rf == ref_mi->ref_frame[0]); 3301 } 3302 } 3303 3304 if (skip_ref_frame && this_mode != NEARESTMV && this_mode != NEWMV) 3305 if (rf > INTRA_FRAME) 3306 if (ref_frame != rf) continue; 3307 3308 if (const_motion) 3309 if (this_mode == NEARMV || this_mode == ZEROMV) continue; 3310 } 3311 3312 comp_pred = second_ref_frame > INTRA_FRAME; 3313 if (comp_pred) { 3314 if (!cpi->allow_comp_inter_inter) continue; 3315 3316 // Skip compound inter modes if ARF is not available. 3317 if (!(cpi->ref_frame_flags & flag_list[second_ref_frame])) continue; 3318 3319 // Do not allow compound prediction if the segment level reference frame 3320 // feature is in use as in this case there can only be one reference. 3321 if (segfeature_active(seg, segment_id, SEG_LVL_REF_FRAME)) continue; 3322 3323 if ((mode_search_skip_flags & FLAG_SKIP_COMP_BESTINTRA) && 3324 best_mode_index >= 0 && best_mbmode.ref_frame[0] == INTRA_FRAME) 3325 continue; 3326 3327 mode_excluded = cm->reference_mode == SINGLE_REFERENCE; 3328 } else { 3329 if (ref_frame != INTRA_FRAME) 3330 mode_excluded = cm->reference_mode == COMPOUND_REFERENCE; 3331 } 3332 3333 if (ref_frame == INTRA_FRAME) { 3334 if (sf->adaptive_mode_search) 3335 if ((x->source_variance << num_pels_log2_lookup[bsize]) > best_pred_sse) 3336 continue; 3337 3338 if (this_mode != DC_PRED) { 3339 // Disable intra modes other than DC_PRED for blocks with low variance 3340 // Threshold for intra skipping based on source variance 3341 // TODO(debargha): Specialize the threshold for super block sizes 3342 const unsigned int skip_intra_var_thresh = 64; 3343 if ((mode_search_skip_flags & FLAG_SKIP_INTRA_LOWVAR) && 3344 x->source_variance < skip_intra_var_thresh) 3345 continue; 3346 // Only search the oblique modes if the best so far is 3347 // one of the neighboring directional modes 3348 if ((mode_search_skip_flags & FLAG_SKIP_INTRA_BESTINTER) && 3349 (this_mode >= D45_PRED && this_mode <= TM_PRED)) { 3350 if (best_mode_index >= 0 && best_mbmode.ref_frame[0] > INTRA_FRAME) 3351 continue; 3352 } 3353 if (mode_search_skip_flags & FLAG_SKIP_INTRA_DIRMISMATCH) { 3354 if (conditional_skipintra(this_mode, best_intra_mode)) continue; 3355 } 3356 } 3357 } else { 3358 const MV_REFERENCE_FRAME ref_frames[2] = { ref_frame, second_ref_frame }; 3359 if (!check_best_zero_mv(cpi, mbmi_ext->mode_context, frame_mv, this_mode, 3360 ref_frames)) 3361 continue; 3362 } 3363 3364 mi->mode = this_mode; 3365 mi->uv_mode = DC_PRED; 3366 mi->ref_frame[0] = ref_frame; 3367 mi->ref_frame[1] = second_ref_frame; 3368 // Evaluate all sub-pel filters irrespective of whether we can use 3369 // them for this frame. 3370 mi->interp_filter = 3371 cm->interp_filter == SWITCHABLE ? EIGHTTAP : cm->interp_filter; 3372 mi->mv[0].as_int = mi->mv[1].as_int = 0; 3373 3374 x->skip = 0; 3375 set_ref_ptrs(cm, xd, ref_frame, second_ref_frame); 3376 3377 // Select prediction reference frames. 3378 for (i = 0; i < MAX_MB_PLANE; i++) { 3379 xd->plane[i].pre[0] = yv12_mb[ref_frame][i]; 3380 if (comp_pred) xd->plane[i].pre[1] = yv12_mb[second_ref_frame][i]; 3381 } 3382 3383 if (ref_frame == INTRA_FRAME) { 3384 TX_SIZE uv_tx; 3385 struct macroblockd_plane *const pd = &xd->plane[1]; 3386 memset(x->skip_txfm, 0, sizeof(x->skip_txfm)); 3387 super_block_yrd(cpi, x, &rate_y, &distortion_y, &skippable, NULL, bsize, 3388 best_rd); 3389 if (rate_y == INT_MAX) continue; 3390 3391 uv_tx = uv_txsize_lookup[bsize][mi->tx_size][pd->subsampling_x] 3392 [pd->subsampling_y]; 3393 if (rate_uv_intra[uv_tx] == INT_MAX) { 3394 choose_intra_uv_mode(cpi, x, ctx, bsize, uv_tx, &rate_uv_intra[uv_tx], 3395 &rate_uv_tokenonly[uv_tx], &dist_uv[uv_tx], 3396 &skip_uv[uv_tx], &mode_uv[uv_tx]); 3397 } 3398 3399 rate_uv = rate_uv_tokenonly[uv_tx]; 3400 distortion_uv = dist_uv[uv_tx]; 3401 skippable = skippable && skip_uv[uv_tx]; 3402 mi->uv_mode = mode_uv[uv_tx]; 3403 3404 rate2 = rate_y + cpi->mbmode_cost[mi->mode] + rate_uv_intra[uv_tx]; 3405 if (this_mode != DC_PRED && this_mode != TM_PRED) 3406 rate2 += intra_cost_penalty; 3407 distortion2 = distortion_y + distortion_uv; 3408 } else { 3409 this_rd = handle_inter_mode( 3410 cpi, x, bsize, &rate2, &distortion2, &skippable, &rate_y, &rate_uv, 3411 &disable_skip, frame_mv, mi_row, mi_col, single_newmv, 3412 single_inter_filter, single_skippable, &total_sse, best_rd, 3413 &mask_filter, filter_cache); 3414 if (this_rd == INT64_MAX) continue; 3415 3416 compmode_cost = vp9_cost_bit(comp_mode_p, comp_pred); 3417 3418 if (cm->reference_mode == REFERENCE_MODE_SELECT) rate2 += compmode_cost; 3419 } 3420 3421 // Estimate the reference frame signaling cost and add it 3422 // to the rolling cost variable. 3423 if (comp_pred) { 3424 rate2 += ref_costs_comp[ref_frame]; 3425 } else { 3426 rate2 += ref_costs_single[ref_frame]; 3427 } 3428 3429 if (!disable_skip) { 3430 const vpx_prob skip_prob = vp9_get_skip_prob(cm, xd); 3431 const int skip_cost0 = vp9_cost_bit(skip_prob, 0); 3432 const int skip_cost1 = vp9_cost_bit(skip_prob, 1); 3433 3434 if (skippable) { 3435 // Back out the coefficient coding costs 3436 rate2 -= (rate_y + rate_uv); 3437 3438 // Cost the skip mb case 3439 rate2 += skip_cost1; 3440 } else if (ref_frame != INTRA_FRAME && !xd->lossless) { 3441 if (RDCOST(x->rdmult, x->rddiv, rate_y + rate_uv + skip_cost0, 3442 distortion2) < 3443 RDCOST(x->rdmult, x->rddiv, skip_cost1, total_sse)) { 3444 // Add in the cost of the no skip flag. 3445 rate2 += skip_cost0; 3446 } else { 3447 // FIXME(rbultje) make this work for splitmv also 3448 assert(total_sse >= 0); 3449 3450 rate2 += skip_cost1; 3451 distortion2 = total_sse; 3452 rate2 -= (rate_y + rate_uv); 3453 this_skip2 = 1; 3454 } 3455 } else { 3456 // Add in the cost of the no skip flag. 3457 rate2 += skip_cost0; 3458 } 3459 3460 // Calculate the final RD estimate for this mode. 3461 this_rd = RDCOST(x->rdmult, x->rddiv, rate2, distortion2); 3462 } 3463 3464 // Apply an adjustment to the rd value based on the similarity of the 3465 // source variance and reconstructed variance. 3466 rd_variance_adjustment(cpi, x, bsize, &this_rd, ref_frame, 3467 x->source_variance); 3468 3469 if (ref_frame == INTRA_FRAME) { 3470 // Keep record of best intra rd 3471 if (this_rd < best_intra_rd) { 3472 best_intra_rd = this_rd; 3473 best_intra_mode = mi->mode; 3474 } 3475 } 3476 3477 if (!disable_skip && ref_frame == INTRA_FRAME) { 3478 for (i = 0; i < REFERENCE_MODES; ++i) 3479 best_pred_rd[i] = VPXMIN(best_pred_rd[i], this_rd); 3480 for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; i++) 3481 best_filter_rd[i] = VPXMIN(best_filter_rd[i], this_rd); 3482 } 3483 3484 // Did this mode help.. i.e. is it the new best mode 3485 if (this_rd < best_rd || x->skip) { 3486 int max_plane = MAX_MB_PLANE; 3487 if (!mode_excluded) { 3488 // Note index of best mode so far 3489 best_mode_index = mode_index; 3490 3491 if (ref_frame == INTRA_FRAME) { 3492 /* required for left and above block mv */ 3493 mi->mv[0].as_int = 0; 3494 max_plane = 1; 3495 // Initialize interp_filter here so we do not have to check for 3496 // inter block modes in get_pred_context_switchable_interp() 3497 mi->interp_filter = SWITCHABLE_FILTERS; 3498 } else { 3499 best_pred_sse = x->pred_sse[ref_frame]; 3500 } 3501 3502 rd_cost->rate = rate2; 3503 rd_cost->dist = distortion2; 3504 rd_cost->rdcost = this_rd; 3505 best_rd = this_rd; 3506 best_mbmode = *mi; 3507 best_skip2 = this_skip2; 3508 best_mode_skippable = skippable; 3509 3510 if (!x->select_tx_size) swap_block_ptr(x, ctx, 1, 0, 0, max_plane); 3511 memcpy(ctx->zcoeff_blk, x->zcoeff_blk[mi->tx_size], 3512 sizeof(ctx->zcoeff_blk[0]) * ctx->num_4x4_blk); 3513 ctx->sum_y_eobs = x->sum_y_eobs[mi->tx_size]; 3514 3515 // TODO(debargha): enhance this test with a better distortion prediction 3516 // based on qp, activity mask and history 3517 if ((mode_search_skip_flags & FLAG_EARLY_TERMINATE) && 3518 (mode_index > MIN_EARLY_TERM_INDEX)) { 3519 int qstep = xd->plane[0].dequant[1]; 3520 // TODO(debargha): Enhance this by specializing for each mode_index 3521 int scale = 4; 3522 #if CONFIG_VP9_HIGHBITDEPTH 3523 if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { 3524 qstep >>= (xd->bd - 8); 3525 } 3526 #endif // CONFIG_VP9_HIGHBITDEPTH 3527 if (x->source_variance < UINT_MAX) { 3528 const int var_adjust = (x->source_variance < 16); 3529 scale -= var_adjust; 3530 } 3531 if (ref_frame > INTRA_FRAME && distortion2 * scale < qstep * qstep) { 3532 early_term = 1; 3533 } 3534 } 3535 } 3536 } 3537 3538 /* keep record of best compound/single-only prediction */ 3539 if (!disable_skip && ref_frame != INTRA_FRAME) { 3540 int64_t single_rd, hybrid_rd, single_rate, hybrid_rate; 3541 3542 if (cm->reference_mode == REFERENCE_MODE_SELECT) { 3543 single_rate = rate2 - compmode_cost; 3544 hybrid_rate = rate2; 3545 } else { 3546 single_rate = rate2; 3547 hybrid_rate = rate2 + compmode_cost; 3548 } 3549 3550 single_rd = RDCOST(x->rdmult, x->rddiv, single_rate, distortion2); 3551 hybrid_rd = RDCOST(x->rdmult, x->rddiv, hybrid_rate, distortion2); 3552 3553 if (!comp_pred) { 3554 if (single_rd < best_pred_rd[SINGLE_REFERENCE]) 3555 best_pred_rd[SINGLE_REFERENCE] = single_rd; 3556 } else { 3557 if (single_rd < best_pred_rd[COMPOUND_REFERENCE]) 3558 best_pred_rd[COMPOUND_REFERENCE] = single_rd; 3559 } 3560 if (hybrid_rd < best_pred_rd[REFERENCE_MODE_SELECT]) 3561 best_pred_rd[REFERENCE_MODE_SELECT] = hybrid_rd; 3562 3563 /* keep record of best filter type */ 3564 if (!mode_excluded && cm->interp_filter != BILINEAR) { 3565 int64_t ref = 3566 filter_cache[cm->interp_filter == SWITCHABLE ? SWITCHABLE_FILTERS 3567 : cm->interp_filter]; 3568 3569 for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; i++) { 3570 int64_t adj_rd; 3571 if (ref == INT64_MAX) 3572 adj_rd = 0; 3573 else if (filter_cache[i] == INT64_MAX) 3574 // when early termination is triggered, the encoder does not have 3575 // access to the rate-distortion cost. it only knows that the cost 3576 // should be above the maximum valid value. hence it takes the known 3577 // maximum plus an arbitrary constant as the rate-distortion cost. 3578 adj_rd = mask_filter - ref + 10; 3579 else 3580 adj_rd = filter_cache[i] - ref; 3581 3582 adj_rd += this_rd; 3583 best_filter_rd[i] = VPXMIN(best_filter_rd[i], adj_rd); 3584 } 3585 } 3586 } 3587 3588 if (early_term) break; 3589 3590 if (x->skip && !comp_pred) break; 3591 } 3592 3593 // The inter modes' rate costs are not calculated precisely in some cases. 3594 // Therefore, sometimes, NEWMV is chosen instead of NEARESTMV, NEARMV, and 3595 // ZEROMV. Here, checks are added for those cases, and the mode decisions 3596 // are corrected. 3597 if (best_mbmode.mode == NEWMV) { 3598 const MV_REFERENCE_FRAME refs[2] = { best_mbmode.ref_frame[0], 3599 best_mbmode.ref_frame[1] }; 3600 int comp_pred_mode = refs[1] > INTRA_FRAME; 3601 3602 if (frame_mv[NEARESTMV][refs[0]].as_int == best_mbmode.mv[0].as_int && 3603 ((comp_pred_mode && 3604 frame_mv[NEARESTMV][refs[1]].as_int == best_mbmode.mv[1].as_int) || 3605 !comp_pred_mode)) 3606 best_mbmode.mode = NEARESTMV; 3607 else if (frame_mv[NEARMV][refs[0]].as_int == best_mbmode.mv[0].as_int && 3608 ((comp_pred_mode && 3609 frame_mv[NEARMV][refs[1]].as_int == best_mbmode.mv[1].as_int) || 3610 !comp_pred_mode)) 3611 best_mbmode.mode = NEARMV; 3612 else if (best_mbmode.mv[0].as_int == 0 && 3613 ((comp_pred_mode && best_mbmode.mv[1].as_int == 0) || 3614 !comp_pred_mode)) 3615 best_mbmode.mode = ZEROMV; 3616 } 3617 3618 if (best_mode_index < 0 || best_rd >= best_rd_so_far) { 3619 // If adaptive interp filter is enabled, then the current leaf node of 8x8 3620 // data is needed for sub8x8. Hence preserve the context. 3621 if (cpi->row_mt && bsize == BLOCK_8X8) ctx->mic = *xd->mi[0]; 3622 rd_cost->rate = INT_MAX; 3623 rd_cost->rdcost = INT64_MAX; 3624 return; 3625 } 3626 3627 // If we used an estimate for the uv intra rd in the loop above... 3628 if (sf->use_uv_intra_rd_estimate) { 3629 // Do Intra UV best rd mode selection if best mode choice above was intra. 3630 if (best_mbmode.ref_frame[0] == INTRA_FRAME) { 3631 TX_SIZE uv_tx_size; 3632 *mi = best_mbmode; 3633 uv_tx_size = get_uv_tx_size(mi, &xd->plane[1]); 3634 rd_pick_intra_sbuv_mode(cpi, x, ctx, &rate_uv_intra[uv_tx_size], 3635 &rate_uv_tokenonly[uv_tx_size], 3636 &dist_uv[uv_tx_size], &skip_uv[uv_tx_size], 3637 bsize < BLOCK_8X8 ? BLOCK_8X8 : bsize, 3638 uv_tx_size); 3639 } 3640 } 3641 3642 assert((cm->interp_filter == SWITCHABLE) || 3643 (cm->interp_filter == best_mbmode.interp_filter) || 3644 !is_inter_block(&best_mbmode)); 3645 3646 if (!cpi->rc.is_src_frame_alt_ref) 3647 vp9_update_rd_thresh_fact(tile_data->thresh_freq_fact, 3648 sf->adaptive_rd_thresh, bsize, best_mode_index); 3649 3650 // macroblock modes 3651 *mi = best_mbmode; 3652 x->skip |= best_skip2; 3653 3654 for (i = 0; i < REFERENCE_MODES; ++i) { 3655 if (best_pred_rd[i] == INT64_MAX) 3656 best_pred_diff[i] = INT_MIN; 3657 else 3658 best_pred_diff[i] = best_rd - best_pred_rd[i]; 3659 } 3660 3661 if (!x->skip) { 3662 for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; i++) { 3663 if (best_filter_rd[i] == INT64_MAX) 3664 best_filter_diff[i] = 0; 3665 else 3666 best_filter_diff[i] = best_rd - best_filter_rd[i]; 3667 } 3668 if (cm->interp_filter == SWITCHABLE) 3669 assert(best_filter_diff[SWITCHABLE_FILTERS] == 0); 3670 } else { 3671 vp9_zero(best_filter_diff); 3672 } 3673 3674 // TODO(yunqingwang): Moving this line in front of the above best_filter_diff 3675 // updating code causes PSNR loss. Need to figure out the confliction. 3676 x->skip |= best_mode_skippable; 3677 3678 if (!x->skip && !x->select_tx_size) { 3679 int has_high_freq_coeff = 0; 3680 int plane; 3681 int max_plane = is_inter_block(xd->mi[0]) ? MAX_MB_PLANE : 1; 3682 for (plane = 0; plane < max_plane; ++plane) { 3683 x->plane[plane].eobs = ctx->eobs_pbuf[plane][1]; 3684 has_high_freq_coeff |= vp9_has_high_freq_in_plane(x, bsize, plane); 3685 } 3686 3687 for (plane = max_plane; plane < MAX_MB_PLANE; ++plane) { 3688 x->plane[plane].eobs = ctx->eobs_pbuf[plane][2]; 3689 has_high_freq_coeff |= vp9_has_high_freq_in_plane(x, bsize, plane); 3690 } 3691 3692 best_mode_skippable |= !has_high_freq_coeff; 3693 } 3694 3695 assert(best_mode_index >= 0); 3696 3697 store_coding_context(x, ctx, best_mode_index, best_pred_diff, 3698 best_filter_diff, best_mode_skippable); 3699 } 3700 3701 void vp9_rd_pick_inter_mode_sb_seg_skip(VP9_COMP *cpi, TileDataEnc *tile_data, 3702 MACROBLOCK *x, RD_COST *rd_cost, 3703 BLOCK_SIZE bsize, 3704 PICK_MODE_CONTEXT *ctx, 3705 int64_t best_rd_so_far) { 3706 VP9_COMMON *const cm = &cpi->common; 3707 MACROBLOCKD *const xd = &x->e_mbd; 3708 MODE_INFO *const mi = xd->mi[0]; 3709 unsigned char segment_id = mi->segment_id; 3710 const int comp_pred = 0; 3711 int i; 3712 int64_t best_pred_diff[REFERENCE_MODES]; 3713 int64_t best_filter_diff[SWITCHABLE_FILTER_CONTEXTS]; 3714 unsigned int ref_costs_single[MAX_REF_FRAMES], ref_costs_comp[MAX_REF_FRAMES]; 3715 vpx_prob comp_mode_p; 3716 INTERP_FILTER best_filter = SWITCHABLE; 3717 int64_t this_rd = INT64_MAX; 3718 int rate2 = 0; 3719 const int64_t distortion2 = 0; 3720 3721 x->skip_encode = cpi->sf.skip_encode_frame && x->q_index < QIDX_SKIP_THRESH; 3722 3723 estimate_ref_frame_costs(cm, xd, segment_id, ref_costs_single, ref_costs_comp, 3724 &comp_mode_p); 3725 3726 for (i = 0; i < MAX_REF_FRAMES; ++i) x->pred_sse[i] = INT_MAX; 3727 for (i = LAST_FRAME; i < MAX_REF_FRAMES; ++i) x->pred_mv_sad[i] = INT_MAX; 3728 3729 rd_cost->rate = INT_MAX; 3730 3731 assert(segfeature_active(&cm->seg, segment_id, SEG_LVL_SKIP)); 3732 3733 mi->mode = ZEROMV; 3734 mi->uv_mode = DC_PRED; 3735 mi->ref_frame[0] = LAST_FRAME; 3736 mi->ref_frame[1] = NONE; 3737 mi->mv[0].as_int = 0; 3738 x->skip = 1; 3739 3740 ctx->sum_y_eobs = 0; 3741 3742 if (cm->interp_filter != BILINEAR) { 3743 best_filter = EIGHTTAP; 3744 if (cm->interp_filter == SWITCHABLE && 3745 x->source_variance >= cpi->sf.disable_filter_search_var_thresh) { 3746 int rs; 3747 int best_rs = INT_MAX; 3748 for (i = 0; i < SWITCHABLE_FILTERS; ++i) { 3749 mi->interp_filter = i; 3750 rs = vp9_get_switchable_rate(cpi, xd); 3751 if (rs < best_rs) { 3752 best_rs = rs; 3753 best_filter = mi->interp_filter; 3754 } 3755 } 3756 } 3757 } 3758 // Set the appropriate filter 3759 if (cm->interp_filter == SWITCHABLE) { 3760 mi->interp_filter = best_filter; 3761 rate2 += vp9_get_switchable_rate(cpi, xd); 3762 } else { 3763 mi->interp_filter = cm->interp_filter; 3764 } 3765 3766 if (cm->reference_mode == REFERENCE_MODE_SELECT) 3767 rate2 += vp9_cost_bit(comp_mode_p, comp_pred); 3768 3769 // Estimate the reference frame signaling cost and add it 3770 // to the rolling cost variable. 3771 rate2 += ref_costs_single[LAST_FRAME]; 3772 this_rd = RDCOST(x->rdmult, x->rddiv, rate2, distortion2); 3773 3774 rd_cost->rate = rate2; 3775 rd_cost->dist = distortion2; 3776 rd_cost->rdcost = this_rd; 3777 3778 if (this_rd >= best_rd_so_far) { 3779 rd_cost->rate = INT_MAX; 3780 rd_cost->rdcost = INT64_MAX; 3781 return; 3782 } 3783 3784 assert((cm->interp_filter == SWITCHABLE) || 3785 (cm->interp_filter == mi->interp_filter)); 3786 3787 vp9_update_rd_thresh_fact(tile_data->thresh_freq_fact, 3788 cpi->sf.adaptive_rd_thresh, bsize, THR_ZEROMV); 3789 3790 vp9_zero(best_pred_diff); 3791 vp9_zero(best_filter_diff); 3792 3793 if (!x->select_tx_size) swap_block_ptr(x, ctx, 1, 0, 0, MAX_MB_PLANE); 3794 store_coding_context(x, ctx, THR_ZEROMV, best_pred_diff, best_filter_diff, 0); 3795 } 3796 3797 void vp9_rd_pick_inter_mode_sub8x8(VP9_COMP *cpi, TileDataEnc *tile_data, 3798 MACROBLOCK *x, int mi_row, int mi_col, 3799 RD_COST *rd_cost, BLOCK_SIZE bsize, 3800 PICK_MODE_CONTEXT *ctx, 3801 int64_t best_rd_so_far) { 3802 VP9_COMMON *const cm = &cpi->common; 3803 RD_OPT *const rd_opt = &cpi->rd; 3804 SPEED_FEATURES *const sf = &cpi->sf; 3805 MACROBLOCKD *const xd = &x->e_mbd; 3806 MODE_INFO *const mi = xd->mi[0]; 3807 const struct segmentation *const seg = &cm->seg; 3808 MV_REFERENCE_FRAME ref_frame, second_ref_frame; 3809 unsigned char segment_id = mi->segment_id; 3810 int comp_pred, i; 3811 int_mv frame_mv[MB_MODE_COUNT][MAX_REF_FRAMES]; 3812 struct buf_2d yv12_mb[4][MAX_MB_PLANE]; 3813 static const int flag_list[4] = { 0, VP9_LAST_FLAG, VP9_GOLD_FLAG, 3814 VP9_ALT_FLAG }; 3815 int64_t best_rd = best_rd_so_far; 3816 int64_t best_yrd = best_rd_so_far; // FIXME(rbultje) more precise 3817 int64_t best_pred_diff[REFERENCE_MODES]; 3818 int64_t best_pred_rd[REFERENCE_MODES]; 3819 int64_t best_filter_rd[SWITCHABLE_FILTER_CONTEXTS]; 3820 int64_t best_filter_diff[SWITCHABLE_FILTER_CONTEXTS]; 3821 MODE_INFO best_mbmode; 3822 int ref_index, best_ref_index = 0; 3823 unsigned int ref_costs_single[MAX_REF_FRAMES], ref_costs_comp[MAX_REF_FRAMES]; 3824 vpx_prob comp_mode_p; 3825 INTERP_FILTER tmp_best_filter = SWITCHABLE; 3826 int rate_uv_intra, rate_uv_tokenonly; 3827 int64_t dist_uv; 3828 int skip_uv; 3829 PREDICTION_MODE mode_uv = DC_PRED; 3830 const int intra_cost_penalty = 3831 vp9_get_intra_cost_penalty(cpi, bsize, cm->base_qindex, cm->y_dc_delta_q); 3832 int_mv seg_mvs[4][MAX_REF_FRAMES]; 3833 b_mode_info best_bmodes[4]; 3834 int best_skip2 = 0; 3835 int ref_frame_skip_mask[2] = { 0 }; 3836 int64_t mask_filter = 0; 3837 int64_t filter_cache[SWITCHABLE_FILTER_CONTEXTS]; 3838 int internal_active_edge = 3839 vp9_active_edge_sb(cpi, mi_row, mi_col) && vp9_internal_image_edge(cpi); 3840 const int *const rd_thresh_freq_fact = tile_data->thresh_freq_fact[bsize]; 3841 3842 x->skip_encode = sf->skip_encode_frame && x->q_index < QIDX_SKIP_THRESH; 3843 memset(x->zcoeff_blk[TX_4X4], 0, 4); 3844 vp9_zero(best_mbmode); 3845 3846 for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; ++i) filter_cache[i] = INT64_MAX; 3847 3848 for (i = 0; i < 4; i++) { 3849 int j; 3850 for (j = 0; j < MAX_REF_FRAMES; j++) seg_mvs[i][j].as_int = INVALID_MV; 3851 } 3852 3853 estimate_ref_frame_costs(cm, xd, segment_id, ref_costs_single, ref_costs_comp, 3854 &comp_mode_p); 3855 3856 for (i = 0; i < REFERENCE_MODES; ++i) best_pred_rd[i] = INT64_MAX; 3857 for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; i++) 3858 best_filter_rd[i] = INT64_MAX; 3859 rate_uv_intra = INT_MAX; 3860 3861 rd_cost->rate = INT_MAX; 3862 3863 for (ref_frame = LAST_FRAME; ref_frame <= ALTREF_FRAME; ref_frame++) { 3864 if (cpi->ref_frame_flags & flag_list[ref_frame]) { 3865 setup_buffer_inter(cpi, x, ref_frame, bsize, mi_row, mi_col, 3866 frame_mv[NEARESTMV], frame_mv[NEARMV], yv12_mb); 3867 } else { 3868 ref_frame_skip_mask[0] |= (1 << ref_frame); 3869 ref_frame_skip_mask[1] |= SECOND_REF_FRAME_MASK; 3870 } 3871 frame_mv[NEWMV][ref_frame].as_int = INVALID_MV; 3872 frame_mv[ZEROMV][ref_frame].as_int = 0; 3873 } 3874 3875 for (ref_index = 0; ref_index < MAX_REFS; ++ref_index) { 3876 int mode_excluded = 0; 3877 int64_t this_rd = INT64_MAX; 3878 int disable_skip = 0; 3879 int compmode_cost = 0; 3880 int rate2 = 0, rate_y = 0, rate_uv = 0; 3881 int64_t distortion2 = 0, distortion_y = 0, distortion_uv = 0; 3882 int skippable = 0; 3883 int i; 3884 int this_skip2 = 0; 3885 int64_t total_sse = INT_MAX; 3886 int early_term = 0; 3887 struct buf_2d backup_yv12[2][MAX_MB_PLANE]; 3888 3889 ref_frame = vp9_ref_order[ref_index].ref_frame[0]; 3890 second_ref_frame = vp9_ref_order[ref_index].ref_frame[1]; 3891 3892 vp9_zero(x->sum_y_eobs); 3893 3894 #if CONFIG_BETTER_HW_COMPATIBILITY 3895 // forbid 8X4 and 4X8 partitions if any reference frame is scaled. 3896 if (bsize == BLOCK_8X4 || bsize == BLOCK_4X8) { 3897 int ref_scaled = vp9_is_scaled(&cm->frame_refs[ref_frame - 1].sf); 3898 if (second_ref_frame > INTRA_FRAME) 3899 ref_scaled += vp9_is_scaled(&cm->frame_refs[second_ref_frame - 1].sf); 3900 if (ref_scaled) continue; 3901 } 3902 #endif 3903 // Look at the reference frame of the best mode so far and set the 3904 // skip mask to look at a subset of the remaining modes. 3905 if (ref_index > 2 && sf->mode_skip_start < MAX_MODES) { 3906 if (ref_index == 3) { 3907 switch (best_mbmode.ref_frame[0]) { 3908 case INTRA_FRAME: break; 3909 case LAST_FRAME: 3910 ref_frame_skip_mask[0] |= (1 << GOLDEN_FRAME) | (1 << ALTREF_FRAME); 3911 ref_frame_skip_mask[1] |= SECOND_REF_FRAME_MASK; 3912 break; 3913 case GOLDEN_FRAME: 3914 ref_frame_skip_mask[0] |= (1 << LAST_FRAME) | (1 << ALTREF_FRAME); 3915 ref_frame_skip_mask[1] |= SECOND_REF_FRAME_MASK; 3916 break; 3917 case ALTREF_FRAME: 3918 ref_frame_skip_mask[0] |= (1 << GOLDEN_FRAME) | (1 << LAST_FRAME); 3919 break; 3920 case NONE: 3921 case MAX_REF_FRAMES: assert(0 && "Invalid Reference frame"); break; 3922 } 3923 } 3924 } 3925 3926 if ((ref_frame_skip_mask[0] & (1 << ref_frame)) && 3927 (ref_frame_skip_mask[1] & (1 << VPXMAX(0, second_ref_frame)))) 3928 continue; 3929 3930 // Test best rd so far against threshold for trying this mode. 3931 if (!internal_active_edge && 3932 rd_less_than_thresh(best_rd, 3933 rd_opt->threshes[segment_id][bsize][ref_index], 3934 &rd_thresh_freq_fact[ref_index])) 3935 continue; 3936 3937 // This is only used in motion vector unit test. 3938 if (cpi->oxcf.motion_vector_unit_test && ref_frame == INTRA_FRAME) continue; 3939 3940 comp_pred = second_ref_frame > INTRA_FRAME; 3941 if (comp_pred) { 3942 if (!cpi->allow_comp_inter_inter) continue; 3943 if (!(cpi->ref_frame_flags & flag_list[second_ref_frame])) continue; 3944 // Do not allow compound prediction if the segment level reference frame 3945 // feature is in use as in this case there can only be one reference. 3946 if (segfeature_active(seg, segment_id, SEG_LVL_REF_FRAME)) continue; 3947 3948 if ((sf->mode_search_skip_flags & FLAG_SKIP_COMP_BESTINTRA) && 3949 best_mbmode.ref_frame[0] == INTRA_FRAME) 3950 continue; 3951 } 3952 3953 if (comp_pred) 3954 mode_excluded = cm->reference_mode == SINGLE_REFERENCE; 3955 else if (ref_frame != INTRA_FRAME) 3956 mode_excluded = cm->reference_mode == COMPOUND_REFERENCE; 3957 3958 // If the segment reference frame feature is enabled.... 3959 // then do nothing if the current ref frame is not allowed.. 3960 if (segfeature_active(seg, segment_id, SEG_LVL_REF_FRAME) && 3961 get_segdata(seg, segment_id, SEG_LVL_REF_FRAME) != (int)ref_frame) { 3962 continue; 3963 // Disable this drop out case if the ref frame 3964 // segment level feature is enabled for this segment. This is to 3965 // prevent the possibility that we end up unable to pick any mode. 3966 } else if (!segfeature_active(seg, segment_id, SEG_LVL_REF_FRAME)) { 3967 // Only consider ZEROMV/ALTREF_FRAME for alt ref frame, 3968 // unless ARNR filtering is enabled in which case we want 3969 // an unfiltered alternative. We allow near/nearest as well 3970 // because they may result in zero-zero MVs but be cheaper. 3971 if (cpi->rc.is_src_frame_alt_ref && (cpi->oxcf.arnr_max_frames == 0)) 3972 continue; 3973 } 3974 3975 mi->tx_size = TX_4X4; 3976 mi->uv_mode = DC_PRED; 3977 mi->ref_frame[0] = ref_frame; 3978 mi->ref_frame[1] = second_ref_frame; 3979 // Evaluate all sub-pel filters irrespective of whether we can use 3980 // them for this frame. 3981 mi->interp_filter = 3982 cm->interp_filter == SWITCHABLE ? EIGHTTAP : cm->interp_filter; 3983 x->skip = 0; 3984 set_ref_ptrs(cm, xd, ref_frame, second_ref_frame); 3985 3986 // Select prediction reference frames. 3987 for (i = 0; i < MAX_MB_PLANE; i++) { 3988 xd->plane[i].pre[0] = yv12_mb[ref_frame][i]; 3989 if (comp_pred) xd->plane[i].pre[1] = yv12_mb[second_ref_frame][i]; 3990 } 3991 3992 if (ref_frame == INTRA_FRAME) { 3993 int rate; 3994 if (rd_pick_intra_sub_8x8_y_mode(cpi, x, &rate, &rate_y, &distortion_y, 3995 best_rd) >= best_rd) 3996 continue; 3997 rate2 += rate; 3998 rate2 += intra_cost_penalty; 3999 distortion2 += distortion_y; 4000 4001 if (rate_uv_intra == INT_MAX) { 4002 choose_intra_uv_mode(cpi, x, ctx, bsize, TX_4X4, &rate_uv_intra, 4003 &rate_uv_tokenonly, &dist_uv, &skip_uv, &mode_uv); 4004 } 4005 rate2 += rate_uv_intra; 4006 rate_uv = rate_uv_tokenonly; 4007 distortion2 += dist_uv; 4008 distortion_uv = dist_uv; 4009 mi->uv_mode = mode_uv; 4010 } else { 4011 int rate; 4012 int64_t distortion; 4013 int64_t this_rd_thresh; 4014 int64_t tmp_rd, tmp_best_rd = INT64_MAX, tmp_best_rdu = INT64_MAX; 4015 int tmp_best_rate = INT_MAX, tmp_best_ratey = INT_MAX; 4016 int64_t tmp_best_distortion = INT_MAX, tmp_best_sse, uv_sse; 4017 int tmp_best_skippable = 0; 4018 int switchable_filter_index; 4019 int_mv *second_ref = 4020 comp_pred ? &x->mbmi_ext->ref_mvs[second_ref_frame][0] : NULL; 4021 b_mode_info tmp_best_bmodes[16]; 4022 MODE_INFO tmp_best_mbmode; 4023 BEST_SEG_INFO bsi[SWITCHABLE_FILTERS]; 4024 int pred_exists = 0; 4025 int uv_skippable; 4026 4027 YV12_BUFFER_CONFIG *scaled_ref_frame[2] = { NULL, NULL }; 4028 int ref; 4029 4030 for (ref = 0; ref < 2; ++ref) { 4031 scaled_ref_frame[ref] = 4032 mi->ref_frame[ref] > INTRA_FRAME 4033 ? vp9_get_scaled_ref_frame(cpi, mi->ref_frame[ref]) 4034 : NULL; 4035 4036 if (scaled_ref_frame[ref]) { 4037 int i; 4038 // Swap out the reference frame for a version that's been scaled to 4039 // match the resolution of the current frame, allowing the existing 4040 // motion search code to be used without additional modifications. 4041 for (i = 0; i < MAX_MB_PLANE; i++) 4042 backup_yv12[ref][i] = xd->plane[i].pre[ref]; 4043 vp9_setup_pre_planes(xd, ref, scaled_ref_frame[ref], mi_row, mi_col, 4044 NULL); 4045 } 4046 } 4047 4048 this_rd_thresh = (ref_frame == LAST_FRAME) 4049 ? rd_opt->threshes[segment_id][bsize][THR_LAST] 4050 : rd_opt->threshes[segment_id][bsize][THR_ALTR]; 4051 this_rd_thresh = (ref_frame == GOLDEN_FRAME) 4052 ? rd_opt->threshes[segment_id][bsize][THR_GOLD] 4053 : this_rd_thresh; 4054 for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; ++i) 4055 filter_cache[i] = INT64_MAX; 4056 4057 if (cm->interp_filter != BILINEAR) { 4058 tmp_best_filter = EIGHTTAP; 4059 if (x->source_variance < sf->disable_filter_search_var_thresh) { 4060 tmp_best_filter = EIGHTTAP; 4061 } else if (sf->adaptive_pred_interp_filter == 1 && 4062 ctx->pred_interp_filter < SWITCHABLE) { 4063 tmp_best_filter = ctx->pred_interp_filter; 4064 } else if (sf->adaptive_pred_interp_filter == 2) { 4065 tmp_best_filter = ctx->pred_interp_filter < SWITCHABLE 4066 ? ctx->pred_interp_filter 4067 : 0; 4068 } else { 4069 for (switchable_filter_index = 0; 4070 switchable_filter_index < SWITCHABLE_FILTERS; 4071 ++switchable_filter_index) { 4072 int newbest, rs; 4073 int64_t rs_rd; 4074 MB_MODE_INFO_EXT *mbmi_ext = x->mbmi_ext; 4075 mi->interp_filter = switchable_filter_index; 4076 tmp_rd = rd_pick_best_sub8x8_mode( 4077 cpi, x, &mbmi_ext->ref_mvs[ref_frame][0], second_ref, best_yrd, 4078 &rate, &rate_y, &distortion, &skippable, &total_sse, 4079 (int)this_rd_thresh, seg_mvs, bsi, switchable_filter_index, 4080 mi_row, mi_col); 4081 4082 if (tmp_rd == INT64_MAX) continue; 4083 rs = vp9_get_switchable_rate(cpi, xd); 4084 rs_rd = RDCOST(x->rdmult, x->rddiv, rs, 0); 4085 filter_cache[switchable_filter_index] = tmp_rd; 4086 filter_cache[SWITCHABLE_FILTERS] = 4087 VPXMIN(filter_cache[SWITCHABLE_FILTERS], tmp_rd + rs_rd); 4088 if (cm->interp_filter == SWITCHABLE) tmp_rd += rs_rd; 4089 4090 mask_filter = VPXMAX(mask_filter, tmp_rd); 4091 4092 newbest = (tmp_rd < tmp_best_rd); 4093 if (newbest) { 4094 tmp_best_filter = mi->interp_filter; 4095 tmp_best_rd = tmp_rd; 4096 } 4097 if ((newbest && cm->interp_filter == SWITCHABLE) || 4098 (mi->interp_filter == cm->interp_filter && 4099 cm->interp_filter != SWITCHABLE)) { 4100 tmp_best_rdu = tmp_rd; 4101 tmp_best_rate = rate; 4102 tmp_best_ratey = rate_y; 4103 tmp_best_distortion = distortion; 4104 tmp_best_sse = total_sse; 4105 tmp_best_skippable = skippable; 4106 tmp_best_mbmode = *mi; 4107 for (i = 0; i < 4; i++) { 4108 tmp_best_bmodes[i] = xd->mi[0]->bmi[i]; 4109 x->zcoeff_blk[TX_4X4][i] = !x->plane[0].eobs[i]; 4110 x->sum_y_eobs[TX_4X4] += x->plane[0].eobs[i]; 4111 } 4112 pred_exists = 1; 4113 if (switchable_filter_index == 0 && sf->use_rd_breakout && 4114 best_rd < INT64_MAX) { 4115 if (tmp_best_rdu / 2 > best_rd) { 4116 // skip searching the other filters if the first is 4117 // already substantially larger than the best so far 4118 tmp_best_filter = mi->interp_filter; 4119 tmp_best_rdu = INT64_MAX; 4120 break; 4121 } 4122 } 4123 } 4124 } // switchable_filter_index loop 4125 } 4126 } 4127 4128 if (tmp_best_rdu == INT64_MAX && pred_exists) continue; 4129 4130 mi->interp_filter = (cm->interp_filter == SWITCHABLE ? tmp_best_filter 4131 : cm->interp_filter); 4132 if (!pred_exists) { 4133 // Handles the special case when a filter that is not in the 4134 // switchable list (bilinear, 6-tap) is indicated at the frame level 4135 tmp_rd = rd_pick_best_sub8x8_mode( 4136 cpi, x, &x->mbmi_ext->ref_mvs[ref_frame][0], second_ref, best_yrd, 4137 &rate, &rate_y, &distortion, &skippable, &total_sse, 4138 (int)this_rd_thresh, seg_mvs, bsi, 0, mi_row, mi_col); 4139 if (tmp_rd == INT64_MAX) continue; 4140 } else { 4141 total_sse = tmp_best_sse; 4142 rate = tmp_best_rate; 4143 rate_y = tmp_best_ratey; 4144 distortion = tmp_best_distortion; 4145 skippable = tmp_best_skippable; 4146 *mi = tmp_best_mbmode; 4147 for (i = 0; i < 4; i++) xd->mi[0]->bmi[i] = tmp_best_bmodes[i]; 4148 } 4149 4150 rate2 += rate; 4151 distortion2 += distortion; 4152 4153 if (cm->interp_filter == SWITCHABLE) 4154 rate2 += vp9_get_switchable_rate(cpi, xd); 4155 4156 if (!mode_excluded) 4157 mode_excluded = comp_pred ? cm->reference_mode == SINGLE_REFERENCE 4158 : cm->reference_mode == COMPOUND_REFERENCE; 4159 4160 compmode_cost = vp9_cost_bit(comp_mode_p, comp_pred); 4161 4162 tmp_best_rdu = 4163 best_rd - VPXMIN(RDCOST(x->rdmult, x->rddiv, rate2, distortion2), 4164 RDCOST(x->rdmult, x->rddiv, 0, total_sse)); 4165 4166 if (tmp_best_rdu > 0) { 4167 // If even the 'Y' rd value of split is higher than best so far 4168 // then dont bother looking at UV 4169 vp9_build_inter_predictors_sbuv(&x->e_mbd, mi_row, mi_col, BLOCK_8X8); 4170 memset(x->skip_txfm, SKIP_TXFM_NONE, sizeof(x->skip_txfm)); 4171 if (!super_block_uvrd(cpi, x, &rate_uv, &distortion_uv, &uv_skippable, 4172 &uv_sse, BLOCK_8X8, tmp_best_rdu)) { 4173 for (ref = 0; ref < 2; ++ref) { 4174 if (scaled_ref_frame[ref]) { 4175 int i; 4176 for (i = 0; i < MAX_MB_PLANE; ++i) 4177 xd->plane[i].pre[ref] = backup_yv12[ref][i]; 4178 } 4179 } 4180 continue; 4181 } 4182 4183 rate2 += rate_uv; 4184 distortion2 += distortion_uv; 4185 skippable = skippable && uv_skippable; 4186 total_sse += uv_sse; 4187 } 4188 4189 for (ref = 0; ref < 2; ++ref) { 4190 if (scaled_ref_frame[ref]) { 4191 // Restore the prediction frame pointers to their unscaled versions. 4192 int i; 4193 for (i = 0; i < MAX_MB_PLANE; ++i) 4194 xd->plane[i].pre[ref] = backup_yv12[ref][i]; 4195 } 4196 } 4197 } 4198 4199 if (cm->reference_mode == REFERENCE_MODE_SELECT) rate2 += compmode_cost; 4200 4201 // Estimate the reference frame signaling cost and add it 4202 // to the rolling cost variable. 4203 if (second_ref_frame > INTRA_FRAME) { 4204 rate2 += ref_costs_comp[ref_frame]; 4205 } else { 4206 rate2 += ref_costs_single[ref_frame]; 4207 } 4208 4209 if (!disable_skip) { 4210 const vpx_prob skip_prob = vp9_get_skip_prob(cm, xd); 4211 const int skip_cost0 = vp9_cost_bit(skip_prob, 0); 4212 const int skip_cost1 = vp9_cost_bit(skip_prob, 1); 4213 4214 // Skip is never coded at the segment level for sub8x8 blocks and instead 4215 // always coded in the bitstream at the mode info level. 4216 if (ref_frame != INTRA_FRAME && !xd->lossless) { 4217 if (RDCOST(x->rdmult, x->rddiv, rate_y + rate_uv + skip_cost0, 4218 distortion2) < 4219 RDCOST(x->rdmult, x->rddiv, skip_cost1, total_sse)) { 4220 // Add in the cost of the no skip flag. 4221 rate2 += skip_cost0; 4222 } else { 4223 // FIXME(rbultje) make this work for splitmv also 4224 rate2 += skip_cost1; 4225 distortion2 = total_sse; 4226 assert(total_sse >= 0); 4227 rate2 -= (rate_y + rate_uv); 4228 rate_y = 0; 4229 rate_uv = 0; 4230 this_skip2 = 1; 4231 } 4232 } else { 4233 // Add in the cost of the no skip flag. 4234 rate2 += skip_cost0; 4235 } 4236 4237 // Calculate the final RD estimate for this mode. 4238 this_rd = RDCOST(x->rdmult, x->rddiv, rate2, distortion2); 4239 } 4240 4241 if (!disable_skip && ref_frame == INTRA_FRAME) { 4242 for (i = 0; i < REFERENCE_MODES; ++i) 4243 best_pred_rd[i] = VPXMIN(best_pred_rd[i], this_rd); 4244 for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; i++) 4245 best_filter_rd[i] = VPXMIN(best_filter_rd[i], this_rd); 4246 } 4247 4248 // Did this mode help.. i.e. is it the new best mode 4249 if (this_rd < best_rd || x->skip) { 4250 if (!mode_excluded) { 4251 int max_plane = MAX_MB_PLANE; 4252 // Note index of best mode so far 4253 best_ref_index = ref_index; 4254 4255 if (ref_frame == INTRA_FRAME) { 4256 /* required for left and above block mv */ 4257 mi->mv[0].as_int = 0; 4258 max_plane = 1; 4259 // Initialize interp_filter here so we do not have to check for 4260 // inter block modes in get_pred_context_switchable_interp() 4261 mi->interp_filter = SWITCHABLE_FILTERS; 4262 } 4263 4264 rd_cost->rate = rate2; 4265 rd_cost->dist = distortion2; 4266 rd_cost->rdcost = this_rd; 4267 best_rd = this_rd; 4268 best_yrd = 4269 best_rd - RDCOST(x->rdmult, x->rddiv, rate_uv, distortion_uv); 4270 best_mbmode = *mi; 4271 best_skip2 = this_skip2; 4272 if (!x->select_tx_size) swap_block_ptr(x, ctx, 1, 0, 0, max_plane); 4273 memcpy(ctx->zcoeff_blk, x->zcoeff_blk[TX_4X4], 4274 sizeof(ctx->zcoeff_blk[0]) * ctx->num_4x4_blk); 4275 ctx->sum_y_eobs = x->sum_y_eobs[TX_4X4]; 4276 4277 for (i = 0; i < 4; i++) best_bmodes[i] = xd->mi[0]->bmi[i]; 4278 4279 // TODO(debargha): enhance this test with a better distortion prediction 4280 // based on qp, activity mask and history 4281 if ((sf->mode_search_skip_flags & FLAG_EARLY_TERMINATE) && 4282 (ref_index > MIN_EARLY_TERM_INDEX)) { 4283 int qstep = xd->plane[0].dequant[1]; 4284 // TODO(debargha): Enhance this by specializing for each mode_index 4285 int scale = 4; 4286 #if CONFIG_VP9_HIGHBITDEPTH 4287 if (xd->cur_buf->flags & YV12_FLAG_HIGHBITDEPTH) { 4288 qstep >>= (xd->bd - 8); 4289 } 4290 #endif // CONFIG_VP9_HIGHBITDEPTH 4291 if (x->source_variance < UINT_MAX) { 4292 const int var_adjust = (x->source_variance < 16); 4293 scale -= var_adjust; 4294 } 4295 if (ref_frame > INTRA_FRAME && distortion2 * scale < qstep * qstep) { 4296 early_term = 1; 4297 } 4298 } 4299 } 4300 } 4301 4302 /* keep record of best compound/single-only prediction */ 4303 if (!disable_skip && ref_frame != INTRA_FRAME) { 4304 int64_t single_rd, hybrid_rd, single_rate, hybrid_rate; 4305 4306 if (cm->reference_mode == REFERENCE_MODE_SELECT) { 4307 single_rate = rate2 - compmode_cost; 4308 hybrid_rate = rate2; 4309 } else { 4310 single_rate = rate2; 4311 hybrid_rate = rate2 + compmode_cost; 4312 } 4313 4314 single_rd = RDCOST(x->rdmult, x->rddiv, single_rate, distortion2); 4315 hybrid_rd = RDCOST(x->rdmult, x->rddiv, hybrid_rate, distortion2); 4316 4317 if (!comp_pred && single_rd < best_pred_rd[SINGLE_REFERENCE]) 4318 best_pred_rd[SINGLE_REFERENCE] = single_rd; 4319 else if (comp_pred && single_rd < best_pred_rd[COMPOUND_REFERENCE]) 4320 best_pred_rd[COMPOUND_REFERENCE] = single_rd; 4321 4322 if (hybrid_rd < best_pred_rd[REFERENCE_MODE_SELECT]) 4323 best_pred_rd[REFERENCE_MODE_SELECT] = hybrid_rd; 4324 } 4325 4326 /* keep record of best filter type */ 4327 if (!mode_excluded && !disable_skip && ref_frame != INTRA_FRAME && 4328 cm->interp_filter != BILINEAR) { 4329 int64_t ref = 4330 filter_cache[cm->interp_filter == SWITCHABLE ? SWITCHABLE_FILTERS 4331 : cm->interp_filter]; 4332 int64_t adj_rd; 4333 for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; i++) { 4334 if (ref == INT64_MAX) 4335 adj_rd = 0; 4336 else if (filter_cache[i] == INT64_MAX) 4337 // when early termination is triggered, the encoder does not have 4338 // access to the rate-distortion cost. it only knows that the cost 4339 // should be above the maximum valid value. hence it takes the known 4340 // maximum plus an arbitrary constant as the rate-distortion cost. 4341 adj_rd = mask_filter - ref + 10; 4342 else 4343 adj_rd = filter_cache[i] - ref; 4344 4345 adj_rd += this_rd; 4346 best_filter_rd[i] = VPXMIN(best_filter_rd[i], adj_rd); 4347 } 4348 } 4349 4350 if (early_term) break; 4351 4352 if (x->skip && !comp_pred) break; 4353 } 4354 4355 if (best_rd >= best_rd_so_far) { 4356 rd_cost->rate = INT_MAX; 4357 rd_cost->rdcost = INT64_MAX; 4358 return; 4359 } 4360 4361 // If we used an estimate for the uv intra rd in the loop above... 4362 if (sf->use_uv_intra_rd_estimate) { 4363 // Do Intra UV best rd mode selection if best mode choice above was intra. 4364 if (best_mbmode.ref_frame[0] == INTRA_FRAME) { 4365 *mi = best_mbmode; 4366 rd_pick_intra_sbuv_mode(cpi, x, ctx, &rate_uv_intra, &rate_uv_tokenonly, 4367 &dist_uv, &skip_uv, BLOCK_8X8, TX_4X4); 4368 } 4369 } 4370 4371 if (best_rd == INT64_MAX) { 4372 rd_cost->rate = INT_MAX; 4373 rd_cost->dist = INT64_MAX; 4374 rd_cost->rdcost = INT64_MAX; 4375 return; 4376 } 4377 4378 assert((cm->interp_filter == SWITCHABLE) || 4379 (cm->interp_filter == best_mbmode.interp_filter) || 4380 !is_inter_block(&best_mbmode)); 4381 4382 vp9_update_rd_thresh_fact(tile_data->thresh_freq_fact, sf->adaptive_rd_thresh, 4383 bsize, best_ref_index); 4384 4385 // macroblock modes 4386 *mi = best_mbmode; 4387 x->skip |= best_skip2; 4388 if (!is_inter_block(&best_mbmode)) { 4389 for (i = 0; i < 4; i++) xd->mi[0]->bmi[i].as_mode = best_bmodes[i].as_mode; 4390 } else { 4391 for (i = 0; i < 4; ++i) 4392 memcpy(&xd->mi[0]->bmi[i], &best_bmodes[i], sizeof(b_mode_info)); 4393 4394 mi->mv[0].as_int = xd->mi[0]->bmi[3].as_mv[0].as_int; 4395 mi->mv[1].as_int = xd->mi[0]->bmi[3].as_mv[1].as_int; 4396 } 4397 4398 for (i = 0; i < REFERENCE_MODES; ++i) { 4399 if (best_pred_rd[i] == INT64_MAX) 4400 best_pred_diff[i] = INT_MIN; 4401 else 4402 best_pred_diff[i] = best_rd - best_pred_rd[i]; 4403 } 4404 4405 if (!x->skip) { 4406 for (i = 0; i < SWITCHABLE_FILTER_CONTEXTS; i++) { 4407 if (best_filter_rd[i] == INT64_MAX) 4408 best_filter_diff[i] = 0; 4409 else 4410 best_filter_diff[i] = best_rd - best_filter_rd[i]; 4411 } 4412 if (cm->interp_filter == SWITCHABLE) 4413 assert(best_filter_diff[SWITCHABLE_FILTERS] == 0); 4414 } else { 4415 vp9_zero(best_filter_diff); 4416 } 4417 4418 store_coding_context(x, ctx, best_ref_index, best_pred_diff, best_filter_diff, 4419 0); 4420 } 4421
