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 12#include <limits.h> 13#include "vpx_config.h" 14#include "vp8_rtcd.h" 15#include "vpx/vpx_integer.h" 16#include "blockd.h" 17#include "reconinter.h" 18#if CONFIG_RUNTIME_CPU_DETECT 19#include "onyxc_int.h" 20#endif 21 22void vp8_copy_mem16x16_c( 23 unsigned char *src, 24 int src_stride, 25 unsigned char *dst, 26 int dst_stride) 27{ 28 29 int r; 30 31 for (r = 0; r < 16; r++) 32 { 33#if !(CONFIG_FAST_UNALIGNED) 34 dst[0] = src[0]; 35 dst[1] = src[1]; 36 dst[2] = src[2]; 37 dst[3] = src[3]; 38 dst[4] = src[4]; 39 dst[5] = src[5]; 40 dst[6] = src[6]; 41 dst[7] = src[7]; 42 dst[8] = src[8]; 43 dst[9] = src[9]; 44 dst[10] = src[10]; 45 dst[11] = src[11]; 46 dst[12] = src[12]; 47 dst[13] = src[13]; 48 dst[14] = src[14]; 49 dst[15] = src[15]; 50 51#else 52 ((uint32_t *)dst)[0] = ((uint32_t *)src)[0] ; 53 ((uint32_t *)dst)[1] = ((uint32_t *)src)[1] ; 54 ((uint32_t *)dst)[2] = ((uint32_t *)src)[2] ; 55 ((uint32_t *)dst)[3] = ((uint32_t *)src)[3] ; 56 57#endif 58 src += src_stride; 59 dst += dst_stride; 60 61 } 62 63} 64 65void vp8_copy_mem8x8_c( 66 unsigned char *src, 67 int src_stride, 68 unsigned char *dst, 69 int dst_stride) 70{ 71 int r; 72 73 for (r = 0; r < 8; r++) 74 { 75#if !(CONFIG_FAST_UNALIGNED) 76 dst[0] = src[0]; 77 dst[1] = src[1]; 78 dst[2] = src[2]; 79 dst[3] = src[3]; 80 dst[4] = src[4]; 81 dst[5] = src[5]; 82 dst[6] = src[6]; 83 dst[7] = src[7]; 84#else 85 ((uint32_t *)dst)[0] = ((uint32_t *)src)[0] ; 86 ((uint32_t *)dst)[1] = ((uint32_t *)src)[1] ; 87#endif 88 src += src_stride; 89 dst += dst_stride; 90 91 } 92 93} 94 95void vp8_copy_mem8x4_c( 96 unsigned char *src, 97 int src_stride, 98 unsigned char *dst, 99 int dst_stride) 100{ 101 int r; 102 103 for (r = 0; r < 4; r++) 104 { 105#if !(CONFIG_FAST_UNALIGNED) 106 dst[0] = src[0]; 107 dst[1] = src[1]; 108 dst[2] = src[2]; 109 dst[3] = src[3]; 110 dst[4] = src[4]; 111 dst[5] = src[5]; 112 dst[6] = src[6]; 113 dst[7] = src[7]; 114#else 115 ((uint32_t *)dst)[0] = ((uint32_t *)src)[0] ; 116 ((uint32_t *)dst)[1] = ((uint32_t *)src)[1] ; 117#endif 118 src += src_stride; 119 dst += dst_stride; 120 121 } 122 123} 124 125 126void vp8_build_inter_predictors_b(BLOCKD *d, int pitch, unsigned char *base_pre, int pre_stride, vp8_subpix_fn_t sppf) 127{ 128 int r; 129 unsigned char *pred_ptr = d->predictor; 130 unsigned char *ptr; 131 ptr = base_pre + d->offset + (d->bmi.mv.as_mv.row >> 3) * pre_stride + (d->bmi.mv.as_mv.col >> 3); 132 133 if (d->bmi.mv.as_mv.row & 7 || d->bmi.mv.as_mv.col & 7) 134 { 135 sppf(ptr, pre_stride, d->bmi.mv.as_mv.col & 7, d->bmi.mv.as_mv.row & 7, pred_ptr, pitch); 136 } 137 else 138 { 139 for (r = 0; r < 4; r++) 140 { 141 pred_ptr[0] = ptr[0]; 142 pred_ptr[1] = ptr[1]; 143 pred_ptr[2] = ptr[2]; 144 pred_ptr[3] = ptr[3]; 145 pred_ptr += pitch; 146 ptr += pre_stride; 147 } 148 } 149} 150 151static void build_inter_predictors4b(MACROBLOCKD *x, BLOCKD *d, unsigned char *dst, int dst_stride, unsigned char *base_pre, int pre_stride) 152{ 153 unsigned char *ptr; 154 ptr = base_pre + d->offset + (d->bmi.mv.as_mv.row >> 3) * pre_stride + (d->bmi.mv.as_mv.col >> 3); 155 156 if (d->bmi.mv.as_mv.row & 7 || d->bmi.mv.as_mv.col & 7) 157 { 158 x->subpixel_predict8x8(ptr, pre_stride, d->bmi.mv.as_mv.col & 7, d->bmi.mv.as_mv.row & 7, dst, dst_stride); 159 } 160 else 161 { 162 vp8_copy_mem8x8(ptr, pre_stride, dst, dst_stride); 163 } 164} 165 166static void build_inter_predictors2b(MACROBLOCKD *x, BLOCKD *d, unsigned char *dst, int dst_stride, unsigned char *base_pre, int pre_stride) 167{ 168 unsigned char *ptr; 169 ptr = base_pre + d->offset + (d->bmi.mv.as_mv.row >> 3) * pre_stride + (d->bmi.mv.as_mv.col >> 3); 170 171 if (d->bmi.mv.as_mv.row & 7 || d->bmi.mv.as_mv.col & 7) 172 { 173 x->subpixel_predict8x4(ptr, pre_stride, d->bmi.mv.as_mv.col & 7, d->bmi.mv.as_mv.row & 7, dst, dst_stride); 174 } 175 else 176 { 177 vp8_copy_mem8x4(ptr, pre_stride, dst, dst_stride); 178 } 179} 180 181static void build_inter_predictors_b(BLOCKD *d, unsigned char *dst, int dst_stride, unsigned char *base_pre, int pre_stride, vp8_subpix_fn_t sppf) 182{ 183 int r; 184 unsigned char *ptr; 185 ptr = base_pre + d->offset + (d->bmi.mv.as_mv.row >> 3) * pre_stride + (d->bmi.mv.as_mv.col >> 3); 186 187 if (d->bmi.mv.as_mv.row & 7 || d->bmi.mv.as_mv.col & 7) 188 { 189 sppf(ptr, pre_stride, d->bmi.mv.as_mv.col & 7, d->bmi.mv.as_mv.row & 7, dst, dst_stride); 190 } 191 else 192 { 193 for (r = 0; r < 4; r++) 194 { 195 dst[0] = ptr[0]; 196 dst[1] = ptr[1]; 197 dst[2] = ptr[2]; 198 dst[3] = ptr[3]; 199 dst += dst_stride; 200 ptr += pre_stride; 201 } 202 } 203} 204 205 206/*encoder only*/ 207void vp8_build_inter16x16_predictors_mbuv(MACROBLOCKD *x) 208{ 209 unsigned char *uptr, *vptr; 210 unsigned char *upred_ptr = &x->predictor[256]; 211 unsigned char *vpred_ptr = &x->predictor[320]; 212 213 int mv_row = x->mode_info_context->mbmi.mv.as_mv.row; 214 int mv_col = x->mode_info_context->mbmi.mv.as_mv.col; 215 int offset; 216 int pre_stride = x->pre.uv_stride; 217 218 /* calc uv motion vectors */ 219 mv_row += 1 | (mv_row >> (sizeof(int) * CHAR_BIT - 1)); 220 mv_col += 1 | (mv_col >> (sizeof(int) * CHAR_BIT - 1)); 221 mv_row /= 2; 222 mv_col /= 2; 223 mv_row &= x->fullpixel_mask; 224 mv_col &= x->fullpixel_mask; 225 226 offset = (mv_row >> 3) * pre_stride + (mv_col >> 3); 227 uptr = x->pre.u_buffer + offset; 228 vptr = x->pre.v_buffer + offset; 229 230 if ((mv_row | mv_col) & 7) 231 { 232 x->subpixel_predict8x8(uptr, pre_stride, mv_col & 7, mv_row & 7, upred_ptr, 8); 233 x->subpixel_predict8x8(vptr, pre_stride, mv_col & 7, mv_row & 7, vpred_ptr, 8); 234 } 235 else 236 { 237 vp8_copy_mem8x8(uptr, pre_stride, upred_ptr, 8); 238 vp8_copy_mem8x8(vptr, pre_stride, vpred_ptr, 8); 239 } 240} 241 242/*encoder only*/ 243void vp8_build_inter4x4_predictors_mbuv(MACROBLOCKD *x) 244{ 245 int i, j; 246 int pre_stride = x->pre.uv_stride; 247 unsigned char *base_pre; 248 249 /* build uv mvs */ 250 for (i = 0; i < 2; i++) 251 { 252 for (j = 0; j < 2; j++) 253 { 254 int yoffset = i * 8 + j * 2; 255 int uoffset = 16 + i * 2 + j; 256 int voffset = 20 + i * 2 + j; 257 258 int temp; 259 260 temp = x->block[yoffset ].bmi.mv.as_mv.row 261 + x->block[yoffset+1].bmi.mv.as_mv.row 262 + x->block[yoffset+4].bmi.mv.as_mv.row 263 + x->block[yoffset+5].bmi.mv.as_mv.row; 264 265 temp += 4 + ((temp >> (sizeof(temp) * CHAR_BIT - 1)) * 8); 266 267 x->block[uoffset].bmi.mv.as_mv.row = (temp / 8) & x->fullpixel_mask; 268 269 temp = x->block[yoffset ].bmi.mv.as_mv.col 270 + x->block[yoffset+1].bmi.mv.as_mv.col 271 + x->block[yoffset+4].bmi.mv.as_mv.col 272 + x->block[yoffset+5].bmi.mv.as_mv.col; 273 274 temp += 4 + ((temp >> (sizeof(temp) * CHAR_BIT - 1)) * 8); 275 276 x->block[uoffset].bmi.mv.as_mv.col = (temp / 8) & x->fullpixel_mask; 277 278 x->block[voffset].bmi.mv.as_int = x->block[uoffset].bmi.mv.as_int; 279 } 280 } 281 282 base_pre = x->pre.u_buffer; 283 for (i = 16; i < 20; i += 2) 284 { 285 BLOCKD *d0 = &x->block[i]; 286 BLOCKD *d1 = &x->block[i+1]; 287 288 if (d0->bmi.mv.as_int == d1->bmi.mv.as_int) 289 build_inter_predictors2b(x, d0, d0->predictor, 8, base_pre, pre_stride); 290 else 291 { 292 vp8_build_inter_predictors_b(d0, 8, base_pre, pre_stride, x->subpixel_predict); 293 vp8_build_inter_predictors_b(d1, 8, base_pre, pre_stride, x->subpixel_predict); 294 } 295 } 296 297 base_pre = x->pre.v_buffer; 298 for (i = 20; i < 24; i += 2) 299 { 300 BLOCKD *d0 = &x->block[i]; 301 BLOCKD *d1 = &x->block[i+1]; 302 303 if (d0->bmi.mv.as_int == d1->bmi.mv.as_int) 304 build_inter_predictors2b(x, d0, d0->predictor, 8, base_pre, pre_stride); 305 else 306 { 307 vp8_build_inter_predictors_b(d0, 8, base_pre, pre_stride, x->subpixel_predict); 308 vp8_build_inter_predictors_b(d1, 8, base_pre, pre_stride, x->subpixel_predict); 309 } 310 } 311} 312 313 314/*encoder only*/ 315void vp8_build_inter16x16_predictors_mby(MACROBLOCKD *x, 316 unsigned char *dst_y, 317 int dst_ystride) 318{ 319 unsigned char *ptr_base; 320 unsigned char *ptr; 321 int mv_row = x->mode_info_context->mbmi.mv.as_mv.row; 322 int mv_col = x->mode_info_context->mbmi.mv.as_mv.col; 323 int pre_stride = x->pre.y_stride; 324 325 ptr_base = x->pre.y_buffer; 326 ptr = ptr_base + (mv_row >> 3) * pre_stride + (mv_col >> 3); 327 328 if ((mv_row | mv_col) & 7) 329 { 330 x->subpixel_predict16x16(ptr, pre_stride, mv_col & 7, mv_row & 7, 331 dst_y, dst_ystride); 332 } 333 else 334 { 335 vp8_copy_mem16x16(ptr, pre_stride, dst_y, 336 dst_ystride); 337 } 338} 339 340static void clamp_mv_to_umv_border(MV *mv, const MACROBLOCKD *xd) 341{ 342 /* If the MV points so far into the UMV border that no visible pixels 343 * are used for reconstruction, the subpel part of the MV can be 344 * discarded and the MV limited to 16 pixels with equivalent results. 345 * 346 * This limit kicks in at 19 pixels for the top and left edges, for 347 * the 16 pixels plus 3 taps right of the central pixel when subpel 348 * filtering. The bottom and right edges use 16 pixels plus 2 pixels 349 * left of the central pixel when filtering. 350 */ 351 if (mv->col < (xd->mb_to_left_edge - (19 << 3))) 352 mv->col = xd->mb_to_left_edge - (16 << 3); 353 else if (mv->col > xd->mb_to_right_edge + (18 << 3)) 354 mv->col = xd->mb_to_right_edge + (16 << 3); 355 356 if (mv->row < (xd->mb_to_top_edge - (19 << 3))) 357 mv->row = xd->mb_to_top_edge - (16 << 3); 358 else if (mv->row > xd->mb_to_bottom_edge + (18 << 3)) 359 mv->row = xd->mb_to_bottom_edge + (16 << 3); 360} 361 362/* A version of the above function for chroma block MVs.*/ 363static void clamp_uvmv_to_umv_border(MV *mv, const MACROBLOCKD *xd) 364{ 365 mv->col = (2*mv->col < (xd->mb_to_left_edge - (19 << 3))) ? 366 (xd->mb_to_left_edge - (16 << 3)) >> 1 : mv->col; 367 mv->col = (2*mv->col > xd->mb_to_right_edge + (18 << 3)) ? 368 (xd->mb_to_right_edge + (16 << 3)) >> 1 : mv->col; 369 370 mv->row = (2*mv->row < (xd->mb_to_top_edge - (19 << 3))) ? 371 (xd->mb_to_top_edge - (16 << 3)) >> 1 : mv->row; 372 mv->row = (2*mv->row > xd->mb_to_bottom_edge + (18 << 3)) ? 373 (xd->mb_to_bottom_edge + (16 << 3)) >> 1 : mv->row; 374} 375 376void vp8_build_inter16x16_predictors_mb(MACROBLOCKD *x, 377 unsigned char *dst_y, 378 unsigned char *dst_u, 379 unsigned char *dst_v, 380 int dst_ystride, 381 int dst_uvstride) 382{ 383 int offset; 384 unsigned char *ptr; 385 unsigned char *uptr, *vptr; 386 387 int_mv _16x16mv; 388 389 unsigned char *ptr_base = x->pre.y_buffer; 390 int pre_stride = x->pre.y_stride; 391 392 _16x16mv.as_int = x->mode_info_context->mbmi.mv.as_int; 393 394 if (x->mode_info_context->mbmi.need_to_clamp_mvs) 395 { 396 clamp_mv_to_umv_border(&_16x16mv.as_mv, x); 397 } 398 399 ptr = ptr_base + ( _16x16mv.as_mv.row >> 3) * pre_stride + (_16x16mv.as_mv.col >> 3); 400 401 if ( _16x16mv.as_int & 0x00070007) 402 { 403 x->subpixel_predict16x16(ptr, pre_stride, _16x16mv.as_mv.col & 7, _16x16mv.as_mv.row & 7, dst_y, dst_ystride); 404 } 405 else 406 { 407 vp8_copy_mem16x16(ptr, pre_stride, dst_y, dst_ystride); 408 } 409 410 /* calc uv motion vectors */ 411 _16x16mv.as_mv.row += 1 | (_16x16mv.as_mv.row >> (sizeof(int) * CHAR_BIT - 1)); 412 _16x16mv.as_mv.col += 1 | (_16x16mv.as_mv.col >> (sizeof(int) * CHAR_BIT - 1)); 413 _16x16mv.as_mv.row /= 2; 414 _16x16mv.as_mv.col /= 2; 415 _16x16mv.as_mv.row &= x->fullpixel_mask; 416 _16x16mv.as_mv.col &= x->fullpixel_mask; 417 418 pre_stride >>= 1; 419 offset = ( _16x16mv.as_mv.row >> 3) * pre_stride + (_16x16mv.as_mv.col >> 3); 420 uptr = x->pre.u_buffer + offset; 421 vptr = x->pre.v_buffer + offset; 422 423 if ( _16x16mv.as_int & 0x00070007) 424 { 425 x->subpixel_predict8x8(uptr, pre_stride, _16x16mv.as_mv.col & 7, _16x16mv.as_mv.row & 7, dst_u, dst_uvstride); 426 x->subpixel_predict8x8(vptr, pre_stride, _16x16mv.as_mv.col & 7, _16x16mv.as_mv.row & 7, dst_v, dst_uvstride); 427 } 428 else 429 { 430 vp8_copy_mem8x8(uptr, pre_stride, dst_u, dst_uvstride); 431 vp8_copy_mem8x8(vptr, pre_stride, dst_v, dst_uvstride); 432 } 433} 434 435static void build_inter4x4_predictors_mb(MACROBLOCKD *x) 436{ 437 int i; 438 unsigned char *base_dst = x->dst.y_buffer; 439 unsigned char *base_pre = x->pre.y_buffer; 440 441 if (x->mode_info_context->mbmi.partitioning < 3) 442 { 443 BLOCKD *b; 444 int dst_stride = x->dst.y_stride; 445 446 x->block[ 0].bmi = x->mode_info_context->bmi[ 0]; 447 x->block[ 2].bmi = x->mode_info_context->bmi[ 2]; 448 x->block[ 8].bmi = x->mode_info_context->bmi[ 8]; 449 x->block[10].bmi = x->mode_info_context->bmi[10]; 450 if (x->mode_info_context->mbmi.need_to_clamp_mvs) 451 { 452 clamp_mv_to_umv_border(&x->block[ 0].bmi.mv.as_mv, x); 453 clamp_mv_to_umv_border(&x->block[ 2].bmi.mv.as_mv, x); 454 clamp_mv_to_umv_border(&x->block[ 8].bmi.mv.as_mv, x); 455 clamp_mv_to_umv_border(&x->block[10].bmi.mv.as_mv, x); 456 } 457 458 b = &x->block[ 0]; 459 build_inter_predictors4b(x, b, base_dst + b->offset, dst_stride, base_pre, dst_stride); 460 b = &x->block[ 2]; 461 build_inter_predictors4b(x, b, base_dst + b->offset, dst_stride, base_pre, dst_stride); 462 b = &x->block[ 8]; 463 build_inter_predictors4b(x, b, base_dst + b->offset, dst_stride, base_pre, dst_stride); 464 b = &x->block[10]; 465 build_inter_predictors4b(x, b, base_dst + b->offset, dst_stride, base_pre, dst_stride); 466 } 467 else 468 { 469 for (i = 0; i < 16; i += 2) 470 { 471 BLOCKD *d0 = &x->block[i]; 472 BLOCKD *d1 = &x->block[i+1]; 473 int dst_stride = x->dst.y_stride; 474 475 x->block[i+0].bmi = x->mode_info_context->bmi[i+0]; 476 x->block[i+1].bmi = x->mode_info_context->bmi[i+1]; 477 if (x->mode_info_context->mbmi.need_to_clamp_mvs) 478 { 479 clamp_mv_to_umv_border(&x->block[i+0].bmi.mv.as_mv, x); 480 clamp_mv_to_umv_border(&x->block[i+1].bmi.mv.as_mv, x); 481 } 482 483 if (d0->bmi.mv.as_int == d1->bmi.mv.as_int) 484 build_inter_predictors2b(x, d0, base_dst + d0->offset, dst_stride, base_pre, dst_stride); 485 else 486 { 487 build_inter_predictors_b(d0, base_dst + d0->offset, dst_stride, base_pre, dst_stride, x->subpixel_predict); 488 build_inter_predictors_b(d1, base_dst + d1->offset, dst_stride, base_pre, dst_stride, x->subpixel_predict); 489 } 490 491 } 492 493 } 494 base_dst = x->dst.u_buffer; 495 base_pre = x->pre.u_buffer; 496 for (i = 16; i < 20; i += 2) 497 { 498 BLOCKD *d0 = &x->block[i]; 499 BLOCKD *d1 = &x->block[i+1]; 500 int dst_stride = x->dst.uv_stride; 501 502 /* Note: uv mvs already clamped in build_4x4uvmvs() */ 503 504 if (d0->bmi.mv.as_int == d1->bmi.mv.as_int) 505 build_inter_predictors2b(x, d0, base_dst + d0->offset, dst_stride, base_pre, dst_stride); 506 else 507 { 508 build_inter_predictors_b(d0, base_dst + d0->offset, dst_stride, base_pre, dst_stride, x->subpixel_predict); 509 build_inter_predictors_b(d1, base_dst + d1->offset, dst_stride, base_pre, dst_stride, x->subpixel_predict); 510 } 511 } 512 513 base_dst = x->dst.v_buffer; 514 base_pre = x->pre.v_buffer; 515 for (i = 20; i < 24; i += 2) 516 { 517 BLOCKD *d0 = &x->block[i]; 518 BLOCKD *d1 = &x->block[i+1]; 519 int dst_stride = x->dst.uv_stride; 520 521 /* Note: uv mvs already clamped in build_4x4uvmvs() */ 522 523 if (d0->bmi.mv.as_int == d1->bmi.mv.as_int) 524 build_inter_predictors2b(x, d0, base_dst + d0->offset, dst_stride, base_pre, dst_stride); 525 else 526 { 527 build_inter_predictors_b(d0, base_dst + d0->offset, dst_stride, base_pre, dst_stride, x->subpixel_predict); 528 build_inter_predictors_b(d1, base_dst + d1->offset, dst_stride, base_pre, dst_stride, x->subpixel_predict); 529 } 530 } 531} 532 533static 534void build_4x4uvmvs(MACROBLOCKD *x) 535{ 536 int i, j; 537 538 for (i = 0; i < 2; i++) 539 { 540 for (j = 0; j < 2; j++) 541 { 542 int yoffset = i * 8 + j * 2; 543 int uoffset = 16 + i * 2 + j; 544 int voffset = 20 + i * 2 + j; 545 546 int temp; 547 548 temp = x->mode_info_context->bmi[yoffset + 0].mv.as_mv.row 549 + x->mode_info_context->bmi[yoffset + 1].mv.as_mv.row 550 + x->mode_info_context->bmi[yoffset + 4].mv.as_mv.row 551 + x->mode_info_context->bmi[yoffset + 5].mv.as_mv.row; 552 553 temp += 4 + ((temp >> (sizeof(temp) * CHAR_BIT - 1)) * 8); 554 555 x->block[uoffset].bmi.mv.as_mv.row = (temp / 8) & x->fullpixel_mask; 556 557 temp = x->mode_info_context->bmi[yoffset + 0].mv.as_mv.col 558 + x->mode_info_context->bmi[yoffset + 1].mv.as_mv.col 559 + x->mode_info_context->bmi[yoffset + 4].mv.as_mv.col 560 + x->mode_info_context->bmi[yoffset + 5].mv.as_mv.col; 561 562 temp += 4 + ((temp >> (sizeof(temp) * CHAR_BIT - 1)) * 8); 563 564 x->block[uoffset].bmi.mv.as_mv.col = (temp / 8) & x->fullpixel_mask; 565 566 if (x->mode_info_context->mbmi.need_to_clamp_mvs) 567 clamp_uvmv_to_umv_border(&x->block[uoffset].bmi.mv.as_mv, x); 568 569 x->block[voffset].bmi.mv.as_int = x->block[uoffset].bmi.mv.as_int; 570 } 571 } 572} 573 574void vp8_build_inter_predictors_mb(MACROBLOCKD *xd) 575{ 576 if (xd->mode_info_context->mbmi.mode != SPLITMV) 577 { 578 vp8_build_inter16x16_predictors_mb(xd, xd->dst.y_buffer, 579 xd->dst.u_buffer, xd->dst.v_buffer, 580 xd->dst.y_stride, xd->dst.uv_stride); 581 } 582 else 583 { 584 build_4x4uvmvs(xd); 585 build_inter4x4_predictors_mb(xd); 586 } 587} 588