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 "vpx_config.h" 13#include "vp8_rtcd.h" 14#if !defined(WIN32) && CONFIG_OS_SUPPORT == 1 15# include <unistd.h> 16#endif 17#include "onyxd_int.h" 18#include "vpx_mem/vpx_mem.h" 19#include "vp8/common/threading.h" 20 21#include "vp8/common/loopfilter.h" 22#include "vp8/common/extend.h" 23#include "vpx_ports/vpx_timer.h" 24#include "detokenize.h" 25#include "vp8/common/reconintra4x4.h" 26#include "vp8/common/reconinter.h" 27#include "vp8/common/setupintrarecon.h" 28#if CONFIG_ERROR_CONCEALMENT 29#include "error_concealment.h" 30#endif 31 32#define CALLOC_ARRAY(p, n) CHECK_MEM_ERROR((p), vpx_calloc(sizeof(*(p)), (n))) 33#define CALLOC_ARRAY_ALIGNED(p, n, algn) do { \ 34 CHECK_MEM_ERROR((p), vpx_memalign((algn), sizeof(*(p)) * (n))); \ 35 memset((p), 0, (n) * sizeof(*(p))); \ 36} while (0) 37 38 39void vp8_mb_init_dequantizer(VP8D_COMP *pbi, MACROBLOCKD *xd); 40 41static void setup_decoding_thread_data(VP8D_COMP *pbi, MACROBLOCKD *xd, MB_ROW_DEC *mbrd, int count) 42{ 43 VP8_COMMON *const pc = & pbi->common; 44 int i; 45 46 for (i = 0; i < count; i++) 47 { 48 MACROBLOCKD *mbd = &mbrd[i].mbd; 49 mbd->subpixel_predict = xd->subpixel_predict; 50 mbd->subpixel_predict8x4 = xd->subpixel_predict8x4; 51 mbd->subpixel_predict8x8 = xd->subpixel_predict8x8; 52 mbd->subpixel_predict16x16 = xd->subpixel_predict16x16; 53 54 mbd->mode_info_context = pc->mi + pc->mode_info_stride * (i + 1); 55 mbd->mode_info_stride = pc->mode_info_stride; 56 57 mbd->frame_type = pc->frame_type; 58 mbd->pre = xd->pre; 59 mbd->dst = xd->dst; 60 61 mbd->segmentation_enabled = xd->segmentation_enabled; 62 mbd->mb_segement_abs_delta = xd->mb_segement_abs_delta; 63 vpx_memcpy(mbd->segment_feature_data, xd->segment_feature_data, sizeof(xd->segment_feature_data)); 64 65 /*signed char ref_lf_deltas[MAX_REF_LF_DELTAS];*/ 66 vpx_memcpy(mbd->ref_lf_deltas, xd->ref_lf_deltas, sizeof(xd->ref_lf_deltas)); 67 /*signed char mode_lf_deltas[MAX_MODE_LF_DELTAS];*/ 68 vpx_memcpy(mbd->mode_lf_deltas, xd->mode_lf_deltas, sizeof(xd->mode_lf_deltas)); 69 /*unsigned char mode_ref_lf_delta_enabled; 70 unsigned char mode_ref_lf_delta_update;*/ 71 mbd->mode_ref_lf_delta_enabled = xd->mode_ref_lf_delta_enabled; 72 mbd->mode_ref_lf_delta_update = xd->mode_ref_lf_delta_update; 73 74 mbd->current_bc = &pbi->mbc[0]; 75 76 vpx_memcpy(mbd->dequant_y1_dc, xd->dequant_y1_dc, sizeof(xd->dequant_y1_dc)); 77 vpx_memcpy(mbd->dequant_y1, xd->dequant_y1, sizeof(xd->dequant_y1)); 78 vpx_memcpy(mbd->dequant_y2, xd->dequant_y2, sizeof(xd->dequant_y2)); 79 vpx_memcpy(mbd->dequant_uv, xd->dequant_uv, sizeof(xd->dequant_uv)); 80 81 mbd->fullpixel_mask = 0xffffffff; 82 83 if (pc->full_pixel) 84 mbd->fullpixel_mask = 0xfffffff8; 85 86 } 87 88 for (i = 0; i < pc->mb_rows; i++) 89 pbi->mt_current_mb_col[i] = -1; 90} 91 92static void mt_decode_macroblock(VP8D_COMP *pbi, MACROBLOCKD *xd, 93 unsigned int mb_idx) 94{ 95 MB_PREDICTION_MODE mode; 96 int i; 97#if CONFIG_ERROR_CONCEALMENT 98 int corruption_detected = 0; 99#endif 100 101 if (xd->mode_info_context->mbmi.mb_skip_coeff) 102 { 103 vp8_reset_mb_tokens_context(xd); 104 } 105 else if (!vp8dx_bool_error(xd->current_bc)) 106 { 107 int eobtotal; 108 eobtotal = vp8_decode_mb_tokens(pbi, xd); 109 110 /* Special case: Force the loopfilter to skip when eobtotal is zero */ 111 xd->mode_info_context->mbmi.mb_skip_coeff = (eobtotal==0); 112 } 113 114 mode = xd->mode_info_context->mbmi.mode; 115 116 if (xd->segmentation_enabled) 117 vp8_mb_init_dequantizer(pbi, xd); 118 119 120#if CONFIG_ERROR_CONCEALMENT 121 122 if(pbi->ec_active) 123 { 124 int throw_residual; 125 /* When we have independent partitions we can apply residual even 126 * though other partitions within the frame are corrupt. 127 */ 128 throw_residual = (!pbi->independent_partitions && 129 pbi->frame_corrupt_residual); 130 throw_residual = (throw_residual || vp8dx_bool_error(xd->current_bc)); 131 132 if ((mb_idx >= pbi->mvs_corrupt_from_mb || throw_residual)) 133 { 134 /* MB with corrupt residuals or corrupt mode/motion vectors. 135 * Better to use the predictor as reconstruction. 136 */ 137 pbi->frame_corrupt_residual = 1; 138 vpx_memset(xd->qcoeff, 0, sizeof(xd->qcoeff)); 139 vp8_conceal_corrupt_mb(xd); 140 141 142 corruption_detected = 1; 143 144 /* force idct to be skipped for B_PRED and use the 145 * prediction only for reconstruction 146 * */ 147 vpx_memset(xd->eobs, 0, 25); 148 } 149 } 150#endif 151 152 /* do prediction */ 153 if (xd->mode_info_context->mbmi.ref_frame == INTRA_FRAME) 154 { 155 vp8_build_intra_predictors_mbuv_s(xd, 156 xd->recon_above[1], 157 xd->recon_above[2], 158 xd->recon_left[1], 159 xd->recon_left[2], 160 xd->recon_left_stride[1], 161 xd->dst.u_buffer, xd->dst.v_buffer, 162 xd->dst.uv_stride); 163 164 if (mode != B_PRED) 165 { 166 vp8_build_intra_predictors_mby_s(xd, 167 xd->recon_above[0], 168 xd->recon_left[0], 169 xd->recon_left_stride[0], 170 xd->dst.y_buffer, 171 xd->dst.y_stride); 172 } 173 else 174 { 175 short *DQC = xd->dequant_y1; 176 int dst_stride = xd->dst.y_stride; 177 178 /* clear out residual eob info */ 179 if(xd->mode_info_context->mbmi.mb_skip_coeff) 180 vpx_memset(xd->eobs, 0, 25); 181 182 intra_prediction_down_copy(xd, xd->recon_above[0] + 16); 183 184 for (i = 0; i < 16; i++) 185 { 186 BLOCKD *b = &xd->block[i]; 187 unsigned char *dst = xd->dst.y_buffer + b->offset; 188 B_PREDICTION_MODE b_mode = 189 xd->mode_info_context->bmi[i].as_mode; 190 unsigned char *Above; 191 unsigned char *yleft; 192 int left_stride; 193 unsigned char top_left; 194 195 /*Caution: For some b_mode, it needs 8 pixels (4 above + 4 above-right).*/ 196 if (i < 4 && pbi->common.filter_level) 197 Above = xd->recon_above[0] + b->offset; 198 else 199 Above = dst - dst_stride; 200 201 if (i%4==0 && pbi->common.filter_level) 202 { 203 yleft = xd->recon_left[0] + i; 204 left_stride = 1; 205 } 206 else 207 { 208 yleft = dst - 1; 209 left_stride = dst_stride; 210 } 211 212 if ((i==4 || i==8 || i==12) && pbi->common.filter_level) 213 top_left = *(xd->recon_left[0] + i - 1); 214 else 215 top_left = Above[-1]; 216 217 vp8_intra4x4_predict(Above, yleft, left_stride, 218 b_mode, dst, dst_stride, top_left); 219 220 if (xd->eobs[i] ) 221 { 222 if (xd->eobs[i] > 1) 223 { 224 vp8_dequant_idct_add(b->qcoeff, DQC, dst, dst_stride); 225 } 226 else 227 { 228 vp8_dc_only_idct_add(b->qcoeff[0] * DQC[0], 229 dst, dst_stride, dst, dst_stride); 230 vpx_memset(b->qcoeff, 0, 2 * sizeof(b->qcoeff[0])); 231 } 232 } 233 } 234 } 235 } 236 else 237 { 238 vp8_build_inter_predictors_mb(xd); 239 } 240 241 242#if CONFIG_ERROR_CONCEALMENT 243 if (corruption_detected) 244 { 245 return; 246 } 247#endif 248 249 if(!xd->mode_info_context->mbmi.mb_skip_coeff) 250 { 251 /* dequantization and idct */ 252 if (mode != B_PRED) 253 { 254 short *DQC = xd->dequant_y1; 255 256 if (mode != SPLITMV) 257 { 258 BLOCKD *b = &xd->block[24]; 259 260 /* do 2nd order transform on the dc block */ 261 if (xd->eobs[24] > 1) 262 { 263 vp8_dequantize_b(b, xd->dequant_y2); 264 265 vp8_short_inv_walsh4x4(&b->dqcoeff[0], 266 xd->qcoeff); 267 vpx_memset(b->qcoeff, 0, 16 * sizeof(b->qcoeff[0])); 268 } 269 else 270 { 271 b->dqcoeff[0] = b->qcoeff[0] * xd->dequant_y2[0]; 272 vp8_short_inv_walsh4x4_1(&b->dqcoeff[0], 273 xd->qcoeff); 274 vpx_memset(b->qcoeff, 0, 2 * sizeof(b->qcoeff[0])); 275 } 276 277 /* override the dc dequant constant in order to preserve the 278 * dc components 279 */ 280 DQC = xd->dequant_y1_dc; 281 } 282 283 vp8_dequant_idct_add_y_block 284 (xd->qcoeff, DQC, 285 xd->dst.y_buffer, 286 xd->dst.y_stride, xd->eobs); 287 } 288 289 vp8_dequant_idct_add_uv_block 290 (xd->qcoeff+16*16, xd->dequant_uv, 291 xd->dst.u_buffer, xd->dst.v_buffer, 292 xd->dst.uv_stride, xd->eobs+16); 293 } 294} 295 296static void mt_decode_mb_rows(VP8D_COMP *pbi, MACROBLOCKD *xd, int start_mb_row) 297{ 298 volatile const int *last_row_current_mb_col; 299 volatile int *current_mb_col; 300 int mb_row; 301 VP8_COMMON *pc = &pbi->common; 302 const int nsync = pbi->sync_range; 303 const int first_row_no_sync_above = pc->mb_cols + nsync; 304 int num_part = 1 << pbi->common.multi_token_partition; 305 int last_mb_row = start_mb_row; 306 307 YV12_BUFFER_CONFIG *yv12_fb_new = pbi->dec_fb_ref[INTRA_FRAME]; 308 YV12_BUFFER_CONFIG *yv12_fb_lst = pbi->dec_fb_ref[LAST_FRAME]; 309 310 int recon_y_stride = yv12_fb_new->y_stride; 311 int recon_uv_stride = yv12_fb_new->uv_stride; 312 313 unsigned char *ref_buffer[MAX_REF_FRAMES][3]; 314 unsigned char *dst_buffer[3]; 315 int i; 316 int ref_fb_corrupted[MAX_REF_FRAMES]; 317 318 ref_fb_corrupted[INTRA_FRAME] = 0; 319 320 for(i = 1; i < MAX_REF_FRAMES; i++) 321 { 322 YV12_BUFFER_CONFIG *this_fb = pbi->dec_fb_ref[i]; 323 324 ref_buffer[i][0] = this_fb->y_buffer; 325 ref_buffer[i][1] = this_fb->u_buffer; 326 ref_buffer[i][2] = this_fb->v_buffer; 327 328 ref_fb_corrupted[i] = this_fb->corrupted; 329 } 330 331 dst_buffer[0] = yv12_fb_new->y_buffer; 332 dst_buffer[1] = yv12_fb_new->u_buffer; 333 dst_buffer[2] = yv12_fb_new->v_buffer; 334 335 xd->up_available = (start_mb_row != 0); 336 337 for (mb_row = start_mb_row; mb_row < pc->mb_rows; mb_row += (pbi->decoding_thread_count + 1)) 338 { 339 int recon_yoffset, recon_uvoffset; 340 int mb_col; 341 int filter_level; 342 loop_filter_info_n *lfi_n = &pc->lf_info; 343 344 /* save last row processed by this thread */ 345 last_mb_row = mb_row; 346 /* select bool coder for current partition */ 347 xd->current_bc = &pbi->mbc[mb_row%num_part]; 348 349 if (mb_row > 0) 350 last_row_current_mb_col = &pbi->mt_current_mb_col[mb_row -1]; 351 else 352 last_row_current_mb_col = &first_row_no_sync_above; 353 354 current_mb_col = &pbi->mt_current_mb_col[mb_row]; 355 356 recon_yoffset = mb_row * recon_y_stride * 16; 357 recon_uvoffset = mb_row * recon_uv_stride * 8; 358 359 /* reset contexts */ 360 xd->above_context = pc->above_context; 361 vpx_memset(xd->left_context, 0, sizeof(ENTROPY_CONTEXT_PLANES)); 362 363 xd->left_available = 0; 364 365 xd->mb_to_top_edge = -((mb_row * 16)) << 3; 366 xd->mb_to_bottom_edge = ((pc->mb_rows - 1 - mb_row) * 16) << 3; 367 368 if (pbi->common.filter_level) 369 { 370 xd->recon_above[0] = pbi->mt_yabove_row[mb_row] + 0*16 +32; 371 xd->recon_above[1] = pbi->mt_uabove_row[mb_row] + 0*8 +16; 372 xd->recon_above[2] = pbi->mt_vabove_row[mb_row] + 0*8 +16; 373 374 xd->recon_left[0] = pbi->mt_yleft_col[mb_row]; 375 xd->recon_left[1] = pbi->mt_uleft_col[mb_row]; 376 xd->recon_left[2] = pbi->mt_vleft_col[mb_row]; 377 378 /* TODO: move to outside row loop */ 379 xd->recon_left_stride[0] = 1; 380 xd->recon_left_stride[1] = 1; 381 } 382 else 383 { 384 xd->recon_above[0] = dst_buffer[0] + recon_yoffset; 385 xd->recon_above[1] = dst_buffer[1] + recon_uvoffset; 386 xd->recon_above[2] = dst_buffer[2] + recon_uvoffset; 387 388 xd->recon_left[0] = xd->recon_above[0] - 1; 389 xd->recon_left[1] = xd->recon_above[1] - 1; 390 xd->recon_left[2] = xd->recon_above[2] - 1; 391 392 xd->recon_above[0] -= xd->dst.y_stride; 393 xd->recon_above[1] -= xd->dst.uv_stride; 394 xd->recon_above[2] -= xd->dst.uv_stride; 395 396 /* TODO: move to outside row loop */ 397 xd->recon_left_stride[0] = xd->dst.y_stride; 398 xd->recon_left_stride[1] = xd->dst.uv_stride; 399 400 setup_intra_recon_left(xd->recon_left[0], xd->recon_left[1], 401 xd->recon_left[2], xd->dst.y_stride, 402 xd->dst.uv_stride); 403 } 404 405 for (mb_col = 0; mb_col < pc->mb_cols; mb_col++) 406 { 407 *current_mb_col = mb_col - 1; 408 409 if ((mb_col & (nsync - 1)) == 0) 410 { 411 while (mb_col > (*last_row_current_mb_col - nsync)) 412 { 413 x86_pause_hint(); 414 thread_sleep(0); 415 } 416 } 417 418 /* Distance of MB to the various image edges. 419 * These are specified to 8th pel as they are always 420 * compared to values that are in 1/8th pel units. 421 */ 422 xd->mb_to_left_edge = -((mb_col * 16) << 3); 423 xd->mb_to_right_edge = ((pc->mb_cols - 1 - mb_col) * 16) << 3; 424 425 #if CONFIG_ERROR_CONCEALMENT 426 { 427 int corrupt_residual = 428 (!pbi->independent_partitions && 429 pbi->frame_corrupt_residual) || 430 vp8dx_bool_error(xd->current_bc); 431 if (pbi->ec_active && 432 (xd->mode_info_context->mbmi.ref_frame == 433 INTRA_FRAME) && 434 corrupt_residual) 435 { 436 /* We have an intra block with corrupt 437 * coefficients, better to conceal with an inter 438 * block. 439 * Interpolate MVs from neighboring MBs 440 * 441 * Note that for the first mb with corrupt 442 * residual in a frame, we might not discover 443 * that before decoding the residual. That 444 * happens after this check, and therefore no 445 * inter concealment will be done. 446 */ 447 vp8_interpolate_motion(xd, 448 mb_row, mb_col, 449 pc->mb_rows, pc->mb_cols, 450 pc->mode_info_stride); 451 } 452 } 453 #endif 454 455 456 xd->dst.y_buffer = dst_buffer[0] + recon_yoffset; 457 xd->dst.u_buffer = dst_buffer[1] + recon_uvoffset; 458 xd->dst.v_buffer = dst_buffer[2] + recon_uvoffset; 459 460 xd->pre.y_buffer = ref_buffer[xd->mode_info_context->mbmi.ref_frame][0] + recon_yoffset; 461 xd->pre.u_buffer = ref_buffer[xd->mode_info_context->mbmi.ref_frame][1] + recon_uvoffset; 462 xd->pre.v_buffer = ref_buffer[xd->mode_info_context->mbmi.ref_frame][2] + recon_uvoffset; 463 464 /* propagate errors from reference frames */ 465 xd->corrupted |= ref_fb_corrupted[xd->mode_info_context->mbmi.ref_frame]; 466 467 mt_decode_macroblock(pbi, xd, 0); 468 469 xd->left_available = 1; 470 471 /* check if the boolean decoder has suffered an error */ 472 xd->corrupted |= vp8dx_bool_error(xd->current_bc); 473 474 xd->recon_above[0] += 16; 475 xd->recon_above[1] += 8; 476 xd->recon_above[2] += 8; 477 478 if (!pbi->common.filter_level) 479 { 480 xd->recon_left[0] += 16; 481 xd->recon_left[1] += 8; 482 xd->recon_left[2] += 8; 483 } 484 485 if (pbi->common.filter_level) 486 { 487 int skip_lf = (xd->mode_info_context->mbmi.mode != B_PRED && 488 xd->mode_info_context->mbmi.mode != SPLITMV && 489 xd->mode_info_context->mbmi.mb_skip_coeff); 490 491 const int mode_index = lfi_n->mode_lf_lut[xd->mode_info_context->mbmi.mode]; 492 const int seg = xd->mode_info_context->mbmi.segment_id; 493 const int ref_frame = xd->mode_info_context->mbmi.ref_frame; 494 495 filter_level = lfi_n->lvl[seg][ref_frame][mode_index]; 496 497 if( mb_row != pc->mb_rows-1 ) 498 { 499 /* Save decoded MB last row data for next-row decoding */ 500 vpx_memcpy((pbi->mt_yabove_row[mb_row + 1] + 32 + mb_col*16), (xd->dst.y_buffer + 15 * recon_y_stride), 16); 501 vpx_memcpy((pbi->mt_uabove_row[mb_row + 1] + 16 + mb_col*8), (xd->dst.u_buffer + 7 * recon_uv_stride), 8); 502 vpx_memcpy((pbi->mt_vabove_row[mb_row + 1] + 16 + mb_col*8), (xd->dst.v_buffer + 7 * recon_uv_stride), 8); 503 } 504 505 /* save left_col for next MB decoding */ 506 if(mb_col != pc->mb_cols-1) 507 { 508 MODE_INFO *next = xd->mode_info_context +1; 509 510 if (next->mbmi.ref_frame == INTRA_FRAME) 511 { 512 for (i = 0; i < 16; i++) 513 pbi->mt_yleft_col[mb_row][i] = xd->dst.y_buffer [i* recon_y_stride + 15]; 514 for (i = 0; i < 8; i++) 515 { 516 pbi->mt_uleft_col[mb_row][i] = xd->dst.u_buffer [i* recon_uv_stride + 7]; 517 pbi->mt_vleft_col[mb_row][i] = xd->dst.v_buffer [i* recon_uv_stride + 7]; 518 } 519 } 520 } 521 522 /* loopfilter on this macroblock. */ 523 if (filter_level) 524 { 525 if(pc->filter_type == NORMAL_LOOPFILTER) 526 { 527 loop_filter_info lfi; 528 FRAME_TYPE frame_type = pc->frame_type; 529 const int hev_index = lfi_n->hev_thr_lut[frame_type][filter_level]; 530 lfi.mblim = lfi_n->mblim[filter_level]; 531 lfi.blim = lfi_n->blim[filter_level]; 532 lfi.lim = lfi_n->lim[filter_level]; 533 lfi.hev_thr = lfi_n->hev_thr[hev_index]; 534 535 if (mb_col > 0) 536 vp8_loop_filter_mbv 537 (xd->dst.y_buffer, xd->dst.u_buffer, xd->dst.v_buffer, recon_y_stride, recon_uv_stride, &lfi); 538 539 if (!skip_lf) 540 vp8_loop_filter_bv 541 (xd->dst.y_buffer, xd->dst.u_buffer, xd->dst.v_buffer, recon_y_stride, recon_uv_stride, &lfi); 542 543 /* don't apply across umv border */ 544 if (mb_row > 0) 545 vp8_loop_filter_mbh 546 (xd->dst.y_buffer, xd->dst.u_buffer, xd->dst.v_buffer, recon_y_stride, recon_uv_stride, &lfi); 547 548 if (!skip_lf) 549 vp8_loop_filter_bh 550 (xd->dst.y_buffer, xd->dst.u_buffer, xd->dst.v_buffer, recon_y_stride, recon_uv_stride, &lfi); 551 } 552 else 553 { 554 if (mb_col > 0) 555 vp8_loop_filter_simple_mbv 556 (xd->dst.y_buffer, recon_y_stride, lfi_n->mblim[filter_level]); 557 558 if (!skip_lf) 559 vp8_loop_filter_simple_bv 560 (xd->dst.y_buffer, recon_y_stride, lfi_n->blim[filter_level]); 561 562 /* don't apply across umv border */ 563 if (mb_row > 0) 564 vp8_loop_filter_simple_mbh 565 (xd->dst.y_buffer, recon_y_stride, lfi_n->mblim[filter_level]); 566 567 if (!skip_lf) 568 vp8_loop_filter_simple_bh 569 (xd->dst.y_buffer, recon_y_stride, lfi_n->blim[filter_level]); 570 } 571 } 572 573 } 574 575 recon_yoffset += 16; 576 recon_uvoffset += 8; 577 578 ++xd->mode_info_context; /* next mb */ 579 580 xd->above_context++; 581 } 582 583 /* adjust to the next row of mbs */ 584 if (pbi->common.filter_level) 585 { 586 if(mb_row != pc->mb_rows-1) 587 { 588 int lasty = yv12_fb_lst->y_width + VP8BORDERINPIXELS; 589 int lastuv = (yv12_fb_lst->y_width>>1) + (VP8BORDERINPIXELS>>1); 590 591 for (i = 0; i < 4; i++) 592 { 593 pbi->mt_yabove_row[mb_row +1][lasty + i] = pbi->mt_yabove_row[mb_row +1][lasty -1]; 594 pbi->mt_uabove_row[mb_row +1][lastuv + i] = pbi->mt_uabove_row[mb_row +1][lastuv -1]; 595 pbi->mt_vabove_row[mb_row +1][lastuv + i] = pbi->mt_vabove_row[mb_row +1][lastuv -1]; 596 } 597 } 598 } 599 else 600 vp8_extend_mb_row(yv12_fb_new, xd->dst.y_buffer + 16, 601 xd->dst.u_buffer + 8, xd->dst.v_buffer + 8); 602 603 /* last MB of row is ready just after extension is done */ 604 *current_mb_col = mb_col + nsync; 605 606 ++xd->mode_info_context; /* skip prediction column */ 607 xd->up_available = 1; 608 609 /* since we have multithread */ 610 xd->mode_info_context += xd->mode_info_stride * pbi->decoding_thread_count; 611 } 612 613 /* signal end of frame decoding if this thread processed the last mb_row */ 614 if (last_mb_row == (pc->mb_rows - 1)) 615 sem_post(&pbi->h_event_end_decoding); 616 617} 618 619 620static THREAD_FUNCTION thread_decoding_proc(void *p_data) 621{ 622 int ithread = ((DECODETHREAD_DATA *)p_data)->ithread; 623 VP8D_COMP *pbi = (VP8D_COMP *)(((DECODETHREAD_DATA *)p_data)->ptr1); 624 MB_ROW_DEC *mbrd = (MB_ROW_DEC *)(((DECODETHREAD_DATA *)p_data)->ptr2); 625 ENTROPY_CONTEXT_PLANES mb_row_left_context; 626 627 while (1) 628 { 629 if (pbi->b_multithreaded_rd == 0) 630 break; 631 632 if (sem_wait(&pbi->h_event_start_decoding[ithread]) == 0) 633 { 634 if (pbi->b_multithreaded_rd == 0) 635 break; 636 else 637 { 638 MACROBLOCKD *xd = &mbrd->mbd; 639 xd->left_context = &mb_row_left_context; 640 641 mt_decode_mb_rows(pbi, xd, ithread+1); 642 } 643 } 644 } 645 646 return 0 ; 647} 648 649 650void vp8_decoder_create_threads(VP8D_COMP *pbi) 651{ 652 int core_count = 0; 653 unsigned int ithread; 654 655 pbi->b_multithreaded_rd = 0; 656 pbi->allocated_decoding_thread_count = 0; 657 658 /* limit decoding threads to the max number of token partitions */ 659 core_count = (pbi->max_threads > 8) ? 8 : pbi->max_threads; 660 661 /* limit decoding threads to the available cores */ 662 if (core_count > pbi->common.processor_core_count) 663 core_count = pbi->common.processor_core_count; 664 665 if (core_count > 1) 666 { 667 pbi->b_multithreaded_rd = 1; 668 pbi->decoding_thread_count = core_count - 1; 669 670 CALLOC_ARRAY(pbi->h_decoding_thread, pbi->decoding_thread_count); 671 CALLOC_ARRAY(pbi->h_event_start_decoding, pbi->decoding_thread_count); 672 CALLOC_ARRAY_ALIGNED(pbi->mb_row_di, pbi->decoding_thread_count, 32); 673 CALLOC_ARRAY(pbi->de_thread_data, pbi->decoding_thread_count); 674 675 for (ithread = 0; ithread < pbi->decoding_thread_count; ithread++) 676 { 677 sem_init(&pbi->h_event_start_decoding[ithread], 0, 0); 678 679 vp8_setup_block_dptrs(&pbi->mb_row_di[ithread].mbd); 680 681 pbi->de_thread_data[ithread].ithread = ithread; 682 pbi->de_thread_data[ithread].ptr1 = (void *)pbi; 683 pbi->de_thread_data[ithread].ptr2 = (void *) &pbi->mb_row_di[ithread]; 684 685 pthread_create(&pbi->h_decoding_thread[ithread], 0, thread_decoding_proc, (&pbi->de_thread_data[ithread])); 686 } 687 688 sem_init(&pbi->h_event_end_decoding, 0, 0); 689 690 pbi->allocated_decoding_thread_count = pbi->decoding_thread_count; 691 } 692} 693 694 695void vp8mt_de_alloc_temp_buffers(VP8D_COMP *pbi, int mb_rows) 696{ 697 int i; 698 699 if (pbi->b_multithreaded_rd) 700 { 701 vpx_free(pbi->mt_current_mb_col); 702 pbi->mt_current_mb_col = NULL ; 703 704 /* Free above_row buffers. */ 705 if (pbi->mt_yabove_row) 706 { 707 for (i=0; i< mb_rows; i++) 708 { 709 vpx_free(pbi->mt_yabove_row[i]); 710 pbi->mt_yabove_row[i] = NULL ; 711 } 712 vpx_free(pbi->mt_yabove_row); 713 pbi->mt_yabove_row = NULL ; 714 } 715 716 if (pbi->mt_uabove_row) 717 { 718 for (i=0; i< mb_rows; i++) 719 { 720 vpx_free(pbi->mt_uabove_row[i]); 721 pbi->mt_uabove_row[i] = NULL ; 722 } 723 vpx_free(pbi->mt_uabove_row); 724 pbi->mt_uabove_row = NULL ; 725 } 726 727 if (pbi->mt_vabove_row) 728 { 729 for (i=0; i< mb_rows; i++) 730 { 731 vpx_free(pbi->mt_vabove_row[i]); 732 pbi->mt_vabove_row[i] = NULL ; 733 } 734 vpx_free(pbi->mt_vabove_row); 735 pbi->mt_vabove_row = NULL ; 736 } 737 738 /* Free left_col buffers. */ 739 if (pbi->mt_yleft_col) 740 { 741 for (i=0; i< mb_rows; i++) 742 { 743 vpx_free(pbi->mt_yleft_col[i]); 744 pbi->mt_yleft_col[i] = NULL ; 745 } 746 vpx_free(pbi->mt_yleft_col); 747 pbi->mt_yleft_col = NULL ; 748 } 749 750 if (pbi->mt_uleft_col) 751 { 752 for (i=0; i< mb_rows; i++) 753 { 754 vpx_free(pbi->mt_uleft_col[i]); 755 pbi->mt_uleft_col[i] = NULL ; 756 } 757 vpx_free(pbi->mt_uleft_col); 758 pbi->mt_uleft_col = NULL ; 759 } 760 761 if (pbi->mt_vleft_col) 762 { 763 for (i=0; i< mb_rows; i++) 764 { 765 vpx_free(pbi->mt_vleft_col[i]); 766 pbi->mt_vleft_col[i] = NULL ; 767 } 768 vpx_free(pbi->mt_vleft_col); 769 pbi->mt_vleft_col = NULL ; 770 } 771 } 772} 773 774 775void vp8mt_alloc_temp_buffers(VP8D_COMP *pbi, int width, int prev_mb_rows) 776{ 777 VP8_COMMON *const pc = & pbi->common; 778 int i; 779 int uv_width; 780 781 if (pbi->b_multithreaded_rd) 782 { 783 vp8mt_de_alloc_temp_buffers(pbi, prev_mb_rows); 784 785 /* our internal buffers are always multiples of 16 */ 786 if ((width & 0xf) != 0) 787 width += 16 - (width & 0xf); 788 789 if (width < 640) pbi->sync_range = 1; 790 else if (width <= 1280) pbi->sync_range = 8; 791 else if (width <= 2560) pbi->sync_range =16; 792 else pbi->sync_range = 32; 793 794 uv_width = width >>1; 795 796 /* Allocate an int for each mb row. */ 797 CALLOC_ARRAY(pbi->mt_current_mb_col, pc->mb_rows); 798 799 /* Allocate memory for above_row buffers. */ 800 CALLOC_ARRAY(pbi->mt_yabove_row, pc->mb_rows); 801 for (i = 0; i < pc->mb_rows; i++) 802 CHECK_MEM_ERROR(pbi->mt_yabove_row[i], vpx_memalign(16,sizeof(unsigned char) * (width + (VP8BORDERINPIXELS<<1)))); 803 804 CALLOC_ARRAY(pbi->mt_uabove_row, pc->mb_rows); 805 for (i = 0; i < pc->mb_rows; i++) 806 CHECK_MEM_ERROR(pbi->mt_uabove_row[i], vpx_memalign(16,sizeof(unsigned char) * (uv_width + VP8BORDERINPIXELS))); 807 808 CALLOC_ARRAY(pbi->mt_vabove_row, pc->mb_rows); 809 for (i = 0; i < pc->mb_rows; i++) 810 CHECK_MEM_ERROR(pbi->mt_vabove_row[i], vpx_memalign(16,sizeof(unsigned char) * (uv_width + VP8BORDERINPIXELS))); 811 812 /* Allocate memory for left_col buffers. */ 813 CALLOC_ARRAY(pbi->mt_yleft_col, pc->mb_rows); 814 for (i = 0; i < pc->mb_rows; i++) 815 CHECK_MEM_ERROR(pbi->mt_yleft_col[i], vpx_calloc(sizeof(unsigned char) * 16, 1)); 816 817 CALLOC_ARRAY(pbi->mt_uleft_col, pc->mb_rows); 818 for (i = 0; i < pc->mb_rows; i++) 819 CHECK_MEM_ERROR(pbi->mt_uleft_col[i], vpx_calloc(sizeof(unsigned char) * 8, 1)); 820 821 CALLOC_ARRAY(pbi->mt_vleft_col, pc->mb_rows); 822 for (i = 0; i < pc->mb_rows; i++) 823 CHECK_MEM_ERROR(pbi->mt_vleft_col[i], vpx_calloc(sizeof(unsigned char) * 8, 1)); 824 } 825} 826 827 828void vp8_decoder_remove_threads(VP8D_COMP *pbi) 829{ 830 /* shutdown MB Decoding thread; */ 831 if (pbi->b_multithreaded_rd) 832 { 833 int i; 834 835 pbi->b_multithreaded_rd = 0; 836 837 /* allow all threads to exit */ 838 for (i = 0; i < pbi->allocated_decoding_thread_count; i++) 839 { 840 sem_post(&pbi->h_event_start_decoding[i]); 841 pthread_join(pbi->h_decoding_thread[i], NULL); 842 } 843 844 for (i = 0; i < pbi->allocated_decoding_thread_count; i++) 845 { 846 sem_destroy(&pbi->h_event_start_decoding[i]); 847 } 848 849 sem_destroy(&pbi->h_event_end_decoding); 850 851 vpx_free(pbi->h_decoding_thread); 852 pbi->h_decoding_thread = NULL; 853 854 vpx_free(pbi->h_event_start_decoding); 855 pbi->h_event_start_decoding = NULL; 856 857 vpx_free(pbi->mb_row_di); 858 pbi->mb_row_di = NULL ; 859 860 vpx_free(pbi->de_thread_data); 861 pbi->de_thread_data = NULL; 862 } 863} 864 865void vp8mt_decode_mb_rows( VP8D_COMP *pbi, MACROBLOCKD *xd) 866{ 867 VP8_COMMON *pc = &pbi->common; 868 unsigned int i; 869 int j; 870 871 int filter_level = pc->filter_level; 872 YV12_BUFFER_CONFIG *yv12_fb_new = pbi->dec_fb_ref[INTRA_FRAME]; 873 874 if (filter_level) 875 { 876 /* Set above_row buffer to 127 for decoding first MB row */ 877 vpx_memset(pbi->mt_yabove_row[0] + VP8BORDERINPIXELS-1, 127, yv12_fb_new->y_width + 5); 878 vpx_memset(pbi->mt_uabove_row[0] + (VP8BORDERINPIXELS>>1)-1, 127, (yv12_fb_new->y_width>>1) +5); 879 vpx_memset(pbi->mt_vabove_row[0] + (VP8BORDERINPIXELS>>1)-1, 127, (yv12_fb_new->y_width>>1) +5); 880 881 for (j=1; j<pc->mb_rows; j++) 882 { 883 vpx_memset(pbi->mt_yabove_row[j] + VP8BORDERINPIXELS-1, (unsigned char)129, 1); 884 vpx_memset(pbi->mt_uabove_row[j] + (VP8BORDERINPIXELS>>1)-1, (unsigned char)129, 1); 885 vpx_memset(pbi->mt_vabove_row[j] + (VP8BORDERINPIXELS>>1)-1, (unsigned char)129, 1); 886 } 887 888 /* Set left_col to 129 initially */ 889 for (j=0; j<pc->mb_rows; j++) 890 { 891 vpx_memset(pbi->mt_yleft_col[j], (unsigned char)129, 16); 892 vpx_memset(pbi->mt_uleft_col[j], (unsigned char)129, 8); 893 vpx_memset(pbi->mt_vleft_col[j], (unsigned char)129, 8); 894 } 895 896 /* Initialize the loop filter for this frame. */ 897 vp8_loop_filter_frame_init(pc, &pbi->mb, filter_level); 898 } 899 else 900 vp8_setup_intra_recon_top_line(yv12_fb_new); 901 902 setup_decoding_thread_data(pbi, xd, pbi->mb_row_di, pbi->decoding_thread_count); 903 904 for (i = 0; i < pbi->decoding_thread_count; i++) 905 sem_post(&pbi->h_event_start_decoding[i]); 906 907 mt_decode_mb_rows(pbi, xd, 0); 908 909 sem_wait(&pbi->h_event_end_decoding); /* add back for each frame */ 910} 911