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 "onyx_int.h" 12 #include "vp8/common/threading.h" 13 #include "vp8/common/common.h" 14 #include "vp8/common/extend.h" 15 #include "bitstream.h" 16 #include "encodeframe.h" 17 18 #if CONFIG_MULTITHREAD 19 20 extern void vp8cx_mb_init_quantizer(VP8_COMP *cpi, MACROBLOCK *x, int ok_to_skip); 21 22 extern void vp8_loopfilter_frame(VP8_COMP *cpi, VP8_COMMON *cm); 23 24 static THREAD_FUNCTION thread_loopfilter(void *p_data) 25 { 26 VP8_COMP *cpi = (VP8_COMP *)(((LPFTHREAD_DATA *)p_data)->ptr1); 27 VP8_COMMON *cm = &cpi->common; 28 29 while (1) 30 { 31 if (cpi->b_multi_threaded == 0) 32 break; 33 34 if (sem_wait(&cpi->h_event_start_lpf) == 0) 35 { 36 if (cpi->b_multi_threaded == 0) /* we're shutting down */ 37 break; 38 39 vp8_loopfilter_frame(cpi, cm); 40 41 sem_post(&cpi->h_event_end_lpf); 42 } 43 } 44 45 return 0; 46 } 47 48 static 49 THREAD_FUNCTION thread_encoding_proc(void *p_data) 50 { 51 int ithread = ((ENCODETHREAD_DATA *)p_data)->ithread; 52 VP8_COMP *cpi = (VP8_COMP *)(((ENCODETHREAD_DATA *)p_data)->ptr1); 53 MB_ROW_COMP *mbri = (MB_ROW_COMP *)(((ENCODETHREAD_DATA *)p_data)->ptr2); 54 ENTROPY_CONTEXT_PLANES mb_row_left_context; 55 56 while (1) 57 { 58 if (cpi->b_multi_threaded == 0) 59 break; 60 61 if (sem_wait(&cpi->h_event_start_encoding[ithread]) == 0) 62 { 63 const int nsync = cpi->mt_sync_range; 64 VP8_COMMON *cm = &cpi->common; 65 int mb_row; 66 MACROBLOCK *x = &mbri->mb; 67 MACROBLOCKD *xd = &x->e_mbd; 68 TOKENEXTRA *tp ; 69 #if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING 70 TOKENEXTRA *tp_start = cpi->tok + (1 + ithread) * (16 * 24); 71 const int num_part = (1 << cm->multi_token_partition); 72 #endif 73 74 int *segment_counts = mbri->segment_counts; 75 int *totalrate = &mbri->totalrate; 76 77 if (cpi->b_multi_threaded == 0) /* we're shutting down */ 78 break; 79 80 for (mb_row = ithread + 1; mb_row < cm->mb_rows; mb_row += (cpi->encoding_thread_count + 1)) 81 { 82 83 int recon_yoffset, recon_uvoffset; 84 int mb_col; 85 int ref_fb_idx = cm->lst_fb_idx; 86 int dst_fb_idx = cm->new_fb_idx; 87 int recon_y_stride = cm->yv12_fb[ref_fb_idx].y_stride; 88 int recon_uv_stride = cm->yv12_fb[ref_fb_idx].uv_stride; 89 int map_index = (mb_row * cm->mb_cols); 90 volatile const int *last_row_current_mb_col; 91 volatile int *current_mb_col = &cpi->mt_current_mb_col[mb_row]; 92 93 #if (CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING) 94 vp8_writer *w = &cpi->bc[1 + (mb_row % num_part)]; 95 #else 96 tp = cpi->tok + (mb_row * (cm->mb_cols * 16 * 24)); 97 cpi->tplist[mb_row].start = tp; 98 #endif 99 100 last_row_current_mb_col = &cpi->mt_current_mb_col[mb_row - 1]; 101 102 /* reset above block coeffs */ 103 xd->above_context = cm->above_context; 104 xd->left_context = &mb_row_left_context; 105 106 vp8_zero(mb_row_left_context); 107 108 xd->up_available = (mb_row != 0); 109 recon_yoffset = (mb_row * recon_y_stride * 16); 110 recon_uvoffset = (mb_row * recon_uv_stride * 8); 111 112 /* Set the mb activity pointer to the start of the row. */ 113 x->mb_activity_ptr = &cpi->mb_activity_map[map_index]; 114 115 /* for each macroblock col in image */ 116 for (mb_col = 0; mb_col < cm->mb_cols; mb_col++) 117 { 118 *current_mb_col = mb_col - 1; 119 120 if ((mb_col & (nsync - 1)) == 0) 121 { 122 while (mb_col > (*last_row_current_mb_col - nsync)) 123 { 124 x86_pause_hint(); 125 thread_sleep(0); 126 } 127 } 128 129 #if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING 130 tp = tp_start; 131 #endif 132 133 /* Distance of Mb to the various image edges. 134 * These specified to 8th pel as they are always compared 135 * to values that are in 1/8th pel units 136 */ 137 xd->mb_to_left_edge = -((mb_col * 16) << 3); 138 xd->mb_to_right_edge = ((cm->mb_cols - 1 - mb_col) * 16) << 3; 139 xd->mb_to_top_edge = -((mb_row * 16) << 3); 140 xd->mb_to_bottom_edge = ((cm->mb_rows - 1 - mb_row) * 16) << 3; 141 142 /* Set up limit values for motion vectors used to prevent 143 * them extending outside the UMV borders 144 */ 145 x->mv_col_min = -((mb_col * 16) + (VP8BORDERINPIXELS - 16)); 146 x->mv_col_max = ((cm->mb_cols - 1 - mb_col) * 16) + (VP8BORDERINPIXELS - 16); 147 x->mv_row_min = -((mb_row * 16) + (VP8BORDERINPIXELS - 16)); 148 x->mv_row_max = ((cm->mb_rows - 1 - mb_row) * 16) + (VP8BORDERINPIXELS - 16); 149 150 xd->dst.y_buffer = cm->yv12_fb[dst_fb_idx].y_buffer + recon_yoffset; 151 xd->dst.u_buffer = cm->yv12_fb[dst_fb_idx].u_buffer + recon_uvoffset; 152 xd->dst.v_buffer = cm->yv12_fb[dst_fb_idx].v_buffer + recon_uvoffset; 153 xd->left_available = (mb_col != 0); 154 155 x->rddiv = cpi->RDDIV; 156 x->rdmult = cpi->RDMULT; 157 158 /* Copy current mb to a buffer */ 159 vp8_copy_mem16x16(x->src.y_buffer, x->src.y_stride, x->thismb, 16); 160 161 if (cpi->oxcf.tuning == VP8_TUNE_SSIM) 162 vp8_activity_masking(cpi, x); 163 164 /* Is segmentation enabled */ 165 /* MB level adjustment to quantizer */ 166 if (xd->segmentation_enabled) 167 { 168 /* Code to set segment id in xd->mbmi.segment_id for 169 * current MB (with range checking) 170 */ 171 if (cpi->segmentation_map[map_index + mb_col] <= 3) 172 xd->mode_info_context->mbmi.segment_id = cpi->segmentation_map[map_index + mb_col]; 173 else 174 xd->mode_info_context->mbmi.segment_id = 0; 175 176 vp8cx_mb_init_quantizer(cpi, x, 1); 177 } 178 else 179 /* Set to Segment 0 by default */ 180 xd->mode_info_context->mbmi.segment_id = 0; 181 182 x->active_ptr = cpi->active_map + map_index + mb_col; 183 184 if (cm->frame_type == KEY_FRAME) 185 { 186 *totalrate += vp8cx_encode_intra_macroblock(cpi, x, &tp); 187 #ifdef MODE_STATS 188 y_modes[xd->mbmi.mode] ++; 189 #endif 190 } 191 else 192 { 193 *totalrate += vp8cx_encode_inter_macroblock(cpi, x, &tp, recon_yoffset, recon_uvoffset, mb_row, mb_col); 194 195 #ifdef MODE_STATS 196 inter_y_modes[xd->mbmi.mode] ++; 197 198 if (xd->mbmi.mode == SPLITMV) 199 { 200 int b; 201 202 for (b = 0; b < xd->mbmi.partition_count; b++) 203 { 204 inter_b_modes[x->partition->bmi[b].mode] ++; 205 } 206 } 207 208 #endif 209 210 /* Special case code for cyclic refresh 211 * If cyclic update enabled then copy 212 * xd->mbmi.segment_id; (which may have been updated 213 * based on mode during 214 * vp8cx_encode_inter_macroblock()) back into the 215 * global segmentation map 216 */ 217 if ((cpi->current_layer == 0) && 218 (cpi->cyclic_refresh_mode_enabled && 219 xd->segmentation_enabled)) 220 { 221 const MB_MODE_INFO * mbmi = &xd->mode_info_context->mbmi; 222 cpi->segmentation_map[map_index + mb_col] = mbmi->segment_id; 223 224 /* If the block has been refreshed mark it as clean 225 * (the magnitude of the -ve influences how long it 226 * will be before we consider another refresh): 227 * Else if it was coded (last frame 0,0) and has 228 * not already been refreshed then mark it as a 229 * candidate for cleanup next time (marked 0) else 230 * mark it as dirty (1). 231 */ 232 if (mbmi->segment_id) 233 cpi->cyclic_refresh_map[map_index + mb_col] = -1; 234 else if ((mbmi->mode == ZEROMV) && (mbmi->ref_frame == LAST_FRAME)) 235 { 236 if (cpi->cyclic_refresh_map[map_index + mb_col] == 1) 237 cpi->cyclic_refresh_map[map_index + mb_col] = 0; 238 } 239 else 240 cpi->cyclic_refresh_map[map_index + mb_col] = 1; 241 242 } 243 } 244 245 #if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING 246 /* pack tokens for this MB */ 247 { 248 int tok_count = tp - tp_start; 249 pack_tokens(w, tp_start, tok_count); 250 } 251 #else 252 cpi->tplist[mb_row].stop = tp; 253 #endif 254 /* Increment pointer into gf usage flags structure. */ 255 x->gf_active_ptr++; 256 257 /* Increment the activity mask pointers. */ 258 x->mb_activity_ptr++; 259 260 /* adjust to the next column of macroblocks */ 261 x->src.y_buffer += 16; 262 x->src.u_buffer += 8; 263 x->src.v_buffer += 8; 264 265 recon_yoffset += 16; 266 recon_uvoffset += 8; 267 268 /* Keep track of segment usage */ 269 segment_counts[xd->mode_info_context->mbmi.segment_id]++; 270 271 /* skip to next mb */ 272 xd->mode_info_context++; 273 x->partition_info++; 274 xd->above_context++; 275 } 276 277 vp8_extend_mb_row( &cm->yv12_fb[dst_fb_idx], 278 xd->dst.y_buffer + 16, 279 xd->dst.u_buffer + 8, 280 xd->dst.v_buffer + 8); 281 282 *current_mb_col = mb_col + nsync; 283 284 /* this is to account for the border */ 285 xd->mode_info_context++; 286 x->partition_info++; 287 288 x->src.y_buffer += 16 * x->src.y_stride * (cpi->encoding_thread_count + 1) - 16 * cm->mb_cols; 289 x->src.u_buffer += 8 * x->src.uv_stride * (cpi->encoding_thread_count + 1) - 8 * cm->mb_cols; 290 x->src.v_buffer += 8 * x->src.uv_stride * (cpi->encoding_thread_count + 1) - 8 * cm->mb_cols; 291 292 xd->mode_info_context += xd->mode_info_stride * cpi->encoding_thread_count; 293 x->partition_info += xd->mode_info_stride * cpi->encoding_thread_count; 294 x->gf_active_ptr += cm->mb_cols * cpi->encoding_thread_count; 295 296 if (mb_row == cm->mb_rows - 1) 297 { 298 sem_post(&cpi->h_event_end_encoding); /* signal frame encoding end */ 299 } 300 } 301 } 302 } 303 304 /* printf("exit thread %d\n", ithread); */ 305 return 0; 306 } 307 308 static void setup_mbby_copy(MACROBLOCK *mbdst, MACROBLOCK *mbsrc) 309 { 310 311 MACROBLOCK *x = mbsrc; 312 MACROBLOCK *z = mbdst; 313 int i; 314 315 z->ss = x->ss; 316 z->ss_count = x->ss_count; 317 z->searches_per_step = x->searches_per_step; 318 z->errorperbit = x->errorperbit; 319 320 z->sadperbit16 = x->sadperbit16; 321 z->sadperbit4 = x->sadperbit4; 322 323 /* 324 z->mv_col_min = x->mv_col_min; 325 z->mv_col_max = x->mv_col_max; 326 z->mv_row_min = x->mv_row_min; 327 z->mv_row_max = x->mv_row_max; 328 */ 329 330 z->short_fdct4x4 = x->short_fdct4x4; 331 z->short_fdct8x4 = x->short_fdct8x4; 332 z->short_walsh4x4 = x->short_walsh4x4; 333 z->quantize_b = x->quantize_b; 334 z->quantize_b_pair = x->quantize_b_pair; 335 z->optimize = x->optimize; 336 337 /* 338 z->mvc = x->mvc; 339 z->src.y_buffer = x->src.y_buffer; 340 z->src.u_buffer = x->src.u_buffer; 341 z->src.v_buffer = x->src.v_buffer; 342 */ 343 344 z->mvcost[0] = x->mvcost[0]; 345 z->mvcost[1] = x->mvcost[1]; 346 z->mvsadcost[0] = x->mvsadcost[0]; 347 z->mvsadcost[1] = x->mvsadcost[1]; 348 349 z->token_costs = x->token_costs; 350 z->inter_bmode_costs = x->inter_bmode_costs; 351 z->mbmode_cost = x->mbmode_cost; 352 z->intra_uv_mode_cost = x->intra_uv_mode_cost; 353 z->bmode_costs = x->bmode_costs; 354 355 for (i = 0; i < 25; i++) 356 { 357 z->block[i].quant = x->block[i].quant; 358 z->block[i].quant_fast = x->block[i].quant_fast; 359 z->block[i].quant_shift = x->block[i].quant_shift; 360 z->block[i].zbin = x->block[i].zbin; 361 z->block[i].zrun_zbin_boost = x->block[i].zrun_zbin_boost; 362 z->block[i].round = x->block[i].round; 363 z->block[i].src_stride = x->block[i].src_stride; 364 } 365 366 z->q_index = x->q_index; 367 z->act_zbin_adj = x->act_zbin_adj; 368 z->last_act_zbin_adj = x->last_act_zbin_adj; 369 370 { 371 MACROBLOCKD *xd = &x->e_mbd; 372 MACROBLOCKD *zd = &z->e_mbd; 373 374 /* 375 zd->mode_info_context = xd->mode_info_context; 376 zd->mode_info = xd->mode_info; 377 378 zd->mode_info_stride = xd->mode_info_stride; 379 zd->frame_type = xd->frame_type; 380 zd->up_available = xd->up_available ; 381 zd->left_available = xd->left_available; 382 zd->left_context = xd->left_context; 383 zd->last_frame_dc = xd->last_frame_dc; 384 zd->last_frame_dccons = xd->last_frame_dccons; 385 zd->gold_frame_dc = xd->gold_frame_dc; 386 zd->gold_frame_dccons = xd->gold_frame_dccons; 387 zd->mb_to_left_edge = xd->mb_to_left_edge; 388 zd->mb_to_right_edge = xd->mb_to_right_edge; 389 zd->mb_to_top_edge = xd->mb_to_top_edge ; 390 zd->mb_to_bottom_edge = xd->mb_to_bottom_edge; 391 zd->gf_active_ptr = xd->gf_active_ptr; 392 zd->frames_since_golden = xd->frames_since_golden; 393 zd->frames_till_alt_ref_frame = xd->frames_till_alt_ref_frame; 394 */ 395 zd->subpixel_predict = xd->subpixel_predict; 396 zd->subpixel_predict8x4 = xd->subpixel_predict8x4; 397 zd->subpixel_predict8x8 = xd->subpixel_predict8x8; 398 zd->subpixel_predict16x16 = xd->subpixel_predict16x16; 399 zd->segmentation_enabled = xd->segmentation_enabled; 400 zd->mb_segement_abs_delta = xd->mb_segement_abs_delta; 401 vpx_memcpy(zd->segment_feature_data, xd->segment_feature_data, 402 sizeof(xd->segment_feature_data)); 403 404 vpx_memcpy(zd->dequant_y1_dc, xd->dequant_y1_dc, 405 sizeof(xd->dequant_y1_dc)); 406 vpx_memcpy(zd->dequant_y1, xd->dequant_y1, sizeof(xd->dequant_y1)); 407 vpx_memcpy(zd->dequant_y2, xd->dequant_y2, sizeof(xd->dequant_y2)); 408 vpx_memcpy(zd->dequant_uv, xd->dequant_uv, sizeof(xd->dequant_uv)); 409 410 #if 1 411 /*TODO: Remove dequant from BLOCKD. This is a temporary solution until 412 * the quantizer code uses a passed in pointer to the dequant constants. 413 * This will also require modifications to the x86 and neon assembly. 414 * */ 415 for (i = 0; i < 16; i++) 416 zd->block[i].dequant = zd->dequant_y1; 417 for (i = 16; i < 24; i++) 418 zd->block[i].dequant = zd->dequant_uv; 419 zd->block[24].dequant = zd->dequant_y2; 420 #endif 421 422 423 vpx_memcpy(z->rd_threshes, x->rd_threshes, sizeof(x->rd_threshes)); 424 vpx_memcpy(z->rd_thresh_mult, x->rd_thresh_mult, 425 sizeof(x->rd_thresh_mult)); 426 427 z->zbin_over_quant = x->zbin_over_quant; 428 z->zbin_mode_boost_enabled = x->zbin_mode_boost_enabled; 429 z->zbin_mode_boost = x->zbin_mode_boost; 430 431 vpx_memset(z->error_bins, 0, sizeof(z->error_bins)); 432 } 433 } 434 435 void vp8cx_init_mbrthread_data(VP8_COMP *cpi, 436 MACROBLOCK *x, 437 MB_ROW_COMP *mbr_ei, 438 int count 439 ) 440 { 441 442 VP8_COMMON *const cm = & cpi->common; 443 MACROBLOCKD *const xd = & x->e_mbd; 444 int i; 445 446 for (i = 0; i < count; i++) 447 { 448 MACROBLOCK *mb = & mbr_ei[i].mb; 449 MACROBLOCKD *mbd = &mb->e_mbd; 450 451 mbd->subpixel_predict = xd->subpixel_predict; 452 mbd->subpixel_predict8x4 = xd->subpixel_predict8x4; 453 mbd->subpixel_predict8x8 = xd->subpixel_predict8x8; 454 mbd->subpixel_predict16x16 = xd->subpixel_predict16x16; 455 mb->gf_active_ptr = x->gf_active_ptr; 456 457 vpx_memset(mbr_ei[i].segment_counts, 0, sizeof(mbr_ei[i].segment_counts)); 458 mbr_ei[i].totalrate = 0; 459 460 mb->partition_info = x->pi + x->e_mbd.mode_info_stride * (i + 1); 461 462 mbd->mode_info_context = cm->mi + x->e_mbd.mode_info_stride * (i + 1); 463 mbd->mode_info_stride = cm->mode_info_stride; 464 465 mbd->frame_type = cm->frame_type; 466 467 mb->src = * cpi->Source; 468 mbd->pre = cm->yv12_fb[cm->lst_fb_idx]; 469 mbd->dst = cm->yv12_fb[cm->new_fb_idx]; 470 471 mb->src.y_buffer += 16 * x->src.y_stride * (i + 1); 472 mb->src.u_buffer += 8 * x->src.uv_stride * (i + 1); 473 mb->src.v_buffer += 8 * x->src.uv_stride * (i + 1); 474 475 vp8_build_block_offsets(mb); 476 477 mbd->left_context = &cm->left_context; 478 mb->mvc = cm->fc.mvc; 479 480 setup_mbby_copy(&mbr_ei[i].mb, x); 481 482 mbd->fullpixel_mask = 0xffffffff; 483 if(cm->full_pixel) 484 mbd->fullpixel_mask = 0xfffffff8; 485 486 vp8_zero(mb->coef_counts); 487 vp8_zero(x->ymode_count); 488 mb->skip_true_count = 0; 489 vp8_zero(mb->MVcount); 490 mb->prediction_error = 0; 491 mb->intra_error = 0; 492 vp8_zero(mb->count_mb_ref_frame_usage); 493 mb->mbs_tested_so_far = 0; 494 } 495 } 496 497 int vp8cx_create_encoder_threads(VP8_COMP *cpi) 498 { 499 const VP8_COMMON * cm = &cpi->common; 500 501 cpi->b_multi_threaded = 0; 502 cpi->encoding_thread_count = 0; 503 cpi->b_lpf_running = 0; 504 505 if (cm->processor_core_count > 1 && cpi->oxcf.multi_threaded > 1) 506 { 507 int ithread; 508 int th_count = cpi->oxcf.multi_threaded - 1; 509 int rc = 0; 510 511 /* don't allocate more threads than cores available */ 512 if (cpi->oxcf.multi_threaded > cm->processor_core_count) 513 th_count = cm->processor_core_count - 1; 514 515 /* we have th_count + 1 (main) threads processing one row each */ 516 /* no point to have more threads than the sync range allows */ 517 if(th_count > ((cm->mb_cols / cpi->mt_sync_range) - 1)) 518 { 519 th_count = (cm->mb_cols / cpi->mt_sync_range) - 1; 520 } 521 522 if(th_count == 0) 523 return 0; 524 525 CHECK_MEM_ERROR(cpi->h_encoding_thread, 526 vpx_malloc(sizeof(pthread_t) * th_count)); 527 CHECK_MEM_ERROR(cpi->h_event_start_encoding, 528 vpx_malloc(sizeof(sem_t) * th_count)); 529 CHECK_MEM_ERROR(cpi->mb_row_ei, 530 vpx_memalign(32, sizeof(MB_ROW_COMP) * th_count)); 531 vpx_memset(cpi->mb_row_ei, 0, sizeof(MB_ROW_COMP) * th_count); 532 CHECK_MEM_ERROR(cpi->en_thread_data, 533 vpx_malloc(sizeof(ENCODETHREAD_DATA) * th_count)); 534 535 sem_init(&cpi->h_event_end_encoding, 0, 0); 536 537 cpi->b_multi_threaded = 1; 538 cpi->encoding_thread_count = th_count; 539 540 /* 541 printf("[VP8:] multi_threaded encoding is enabled with %d threads\n\n", 542 (cpi->encoding_thread_count +1)); 543 */ 544 545 for (ithread = 0; ithread < th_count; ithread++) 546 { 547 ENCODETHREAD_DATA *ethd = &cpi->en_thread_data[ithread]; 548 549 /* Setup block ptrs and offsets */ 550 vp8_setup_block_ptrs(&cpi->mb_row_ei[ithread].mb); 551 vp8_setup_block_dptrs(&cpi->mb_row_ei[ithread].mb.e_mbd); 552 553 sem_init(&cpi->h_event_start_encoding[ithread], 0, 0); 554 555 ethd->ithread = ithread; 556 ethd->ptr1 = (void *)cpi; 557 ethd->ptr2 = (void *)&cpi->mb_row_ei[ithread]; 558 559 rc = pthread_create(&cpi->h_encoding_thread[ithread], 0, 560 thread_encoding_proc, ethd); 561 if(rc) 562 break; 563 } 564 565 if(rc) 566 { 567 /* shutdown other threads */ 568 cpi->b_multi_threaded = 0; 569 for(--ithread; ithread >= 0; ithread--) 570 { 571 pthread_join(cpi->h_encoding_thread[ithread], 0); 572 sem_destroy(&cpi->h_event_start_encoding[ithread]); 573 } 574 sem_destroy(&cpi->h_event_end_encoding); 575 576 /* free thread related resources */ 577 vpx_free(cpi->h_event_start_encoding); 578 vpx_free(cpi->h_encoding_thread); 579 vpx_free(cpi->mb_row_ei); 580 vpx_free(cpi->en_thread_data); 581 582 return -1; 583 } 584 585 586 { 587 LPFTHREAD_DATA * lpfthd = &cpi->lpf_thread_data; 588 589 sem_init(&cpi->h_event_start_lpf, 0, 0); 590 sem_init(&cpi->h_event_end_lpf, 0, 0); 591 592 lpfthd->ptr1 = (void *)cpi; 593 rc = pthread_create(&cpi->h_filter_thread, 0, thread_loopfilter, 594 lpfthd); 595 596 if(rc) 597 { 598 /* shutdown other threads */ 599 cpi->b_multi_threaded = 0; 600 for(--ithread; ithread >= 0; ithread--) 601 { 602 sem_post(&cpi->h_event_start_encoding[ithread]); 603 pthread_join(cpi->h_encoding_thread[ithread], 0); 604 sem_destroy(&cpi->h_event_start_encoding[ithread]); 605 } 606 sem_destroy(&cpi->h_event_end_encoding); 607 sem_destroy(&cpi->h_event_end_lpf); 608 sem_destroy(&cpi->h_event_start_lpf); 609 610 /* free thread related resources */ 611 vpx_free(cpi->h_event_start_encoding); 612 vpx_free(cpi->h_encoding_thread); 613 vpx_free(cpi->mb_row_ei); 614 vpx_free(cpi->en_thread_data); 615 616 return -2; 617 } 618 } 619 } 620 return 0; 621 } 622 623 void vp8cx_remove_encoder_threads(VP8_COMP *cpi) 624 { 625 if (cpi->b_multi_threaded) 626 { 627 /* shutdown other threads */ 628 cpi->b_multi_threaded = 0; 629 { 630 int i; 631 632 for (i = 0; i < cpi->encoding_thread_count; i++) 633 { 634 sem_post(&cpi->h_event_start_encoding[i]); 635 pthread_join(cpi->h_encoding_thread[i], 0); 636 637 sem_destroy(&cpi->h_event_start_encoding[i]); 638 } 639 640 sem_post(&cpi->h_event_start_lpf); 641 pthread_join(cpi->h_filter_thread, 0); 642 } 643 644 sem_destroy(&cpi->h_event_end_encoding); 645 sem_destroy(&cpi->h_event_end_lpf); 646 sem_destroy(&cpi->h_event_start_lpf); 647 648 /* free thread related resources */ 649 vpx_free(cpi->h_event_start_encoding); 650 vpx_free(cpi->h_encoding_thread); 651 vpx_free(cpi->mb_row_ei); 652 vpx_free(cpi->en_thread_data); 653 } 654 } 655 #endif 656
