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->cyclic_refresh_mode_enabled && xd->segmentation_enabled) 218 { 219 const MB_MODE_INFO * mbmi = &xd->mode_info_context->mbmi; 220 cpi->segmentation_map[map_index + mb_col] = mbmi->segment_id; 221 222 /* If the block has been refreshed mark it as clean 223 * (the magnitude of the -ve influences how long it 224 * will be before we consider another refresh): 225 * Else if it was coded (last frame 0,0) and has 226 * not already been refreshed then mark it as a 227 * candidate for cleanup next time (marked 0) else 228 * mark it as dirty (1). 229 */ 230 if (mbmi->segment_id) 231 cpi->cyclic_refresh_map[map_index + mb_col] = -1; 232 else if ((mbmi->mode == ZEROMV) && (mbmi->ref_frame == LAST_FRAME)) 233 { 234 if (cpi->cyclic_refresh_map[map_index + mb_col] == 1) 235 cpi->cyclic_refresh_map[map_index + mb_col] = 0; 236 } 237 else 238 cpi->cyclic_refresh_map[map_index + mb_col] = 1; 239 240 } 241 } 242 243 #if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING 244 /* pack tokens for this MB */ 245 { 246 int tok_count = tp - tp_start; 247 pack_tokens(w, tp_start, tok_count); 248 } 249 #else 250 cpi->tplist[mb_row].stop = tp; 251 #endif 252 /* Increment pointer into gf usage flags structure. */ 253 x->gf_active_ptr++; 254 255 /* Increment the activity mask pointers. */ 256 x->mb_activity_ptr++; 257 258 /* adjust to the next column of macroblocks */ 259 x->src.y_buffer += 16; 260 x->src.u_buffer += 8; 261 x->src.v_buffer += 8; 262 263 recon_yoffset += 16; 264 recon_uvoffset += 8; 265 266 /* Keep track of segment usage */ 267 segment_counts[xd->mode_info_context->mbmi.segment_id]++; 268 269 /* skip to next mb */ 270 xd->mode_info_context++; 271 x->partition_info++; 272 xd->above_context++; 273 } 274 275 vp8_extend_mb_row( &cm->yv12_fb[dst_fb_idx], 276 xd->dst.y_buffer + 16, 277 xd->dst.u_buffer + 8, 278 xd->dst.v_buffer + 8); 279 280 *current_mb_col = mb_col + nsync; 281 282 /* this is to account for the border */ 283 xd->mode_info_context++; 284 x->partition_info++; 285 286 x->src.y_buffer += 16 * x->src.y_stride * (cpi->encoding_thread_count + 1) - 16 * cm->mb_cols; 287 x->src.u_buffer += 8 * x->src.uv_stride * (cpi->encoding_thread_count + 1) - 8 * cm->mb_cols; 288 x->src.v_buffer += 8 * x->src.uv_stride * (cpi->encoding_thread_count + 1) - 8 * cm->mb_cols; 289 290 xd->mode_info_context += xd->mode_info_stride * cpi->encoding_thread_count; 291 x->partition_info += xd->mode_info_stride * cpi->encoding_thread_count; 292 x->gf_active_ptr += cm->mb_cols * cpi->encoding_thread_count; 293 294 if (mb_row == cm->mb_rows - 1) 295 { 296 sem_post(&cpi->h_event_end_encoding); /* signal frame encoding end */ 297 } 298 } 299 } 300 } 301 302 /* printf("exit thread %d\n", ithread); */ 303 return 0; 304 } 305 306 static void setup_mbby_copy(MACROBLOCK *mbdst, MACROBLOCK *mbsrc) 307 { 308 309 MACROBLOCK *x = mbsrc; 310 MACROBLOCK *z = mbdst; 311 int i; 312 313 z->ss = x->ss; 314 z->ss_count = x->ss_count; 315 z->searches_per_step = x->searches_per_step; 316 z->errorperbit = x->errorperbit; 317 318 z->sadperbit16 = x->sadperbit16; 319 z->sadperbit4 = x->sadperbit4; 320 321 /* 322 z->mv_col_min = x->mv_col_min; 323 z->mv_col_max = x->mv_col_max; 324 z->mv_row_min = x->mv_row_min; 325 z->mv_row_max = x->mv_row_max; 326 */ 327 328 z->short_fdct4x4 = x->short_fdct4x4; 329 z->short_fdct8x4 = x->short_fdct8x4; 330 z->short_walsh4x4 = x->short_walsh4x4; 331 z->quantize_b = x->quantize_b; 332 z->quantize_b_pair = x->quantize_b_pair; 333 z->optimize = x->optimize; 334 335 /* 336 z->mvc = x->mvc; 337 z->src.y_buffer = x->src.y_buffer; 338 z->src.u_buffer = x->src.u_buffer; 339 z->src.v_buffer = x->src.v_buffer; 340 */ 341 342 z->mvcost[0] = x->mvcost[0]; 343 z->mvcost[1] = x->mvcost[1]; 344 z->mvsadcost[0] = x->mvsadcost[0]; 345 z->mvsadcost[1] = x->mvsadcost[1]; 346 347 z->token_costs = x->token_costs; 348 z->inter_bmode_costs = x->inter_bmode_costs; 349 z->mbmode_cost = x->mbmode_cost; 350 z->intra_uv_mode_cost = x->intra_uv_mode_cost; 351 z->bmode_costs = x->bmode_costs; 352 353 for (i = 0; i < 25; i++) 354 { 355 z->block[i].quant = x->block[i].quant; 356 z->block[i].quant_fast = x->block[i].quant_fast; 357 z->block[i].quant_shift = x->block[i].quant_shift; 358 z->block[i].zbin = x->block[i].zbin; 359 z->block[i].zrun_zbin_boost = x->block[i].zrun_zbin_boost; 360 z->block[i].round = x->block[i].round; 361 z->block[i].src_stride = x->block[i].src_stride; 362 } 363 364 z->q_index = x->q_index; 365 z->act_zbin_adj = x->act_zbin_adj; 366 z->last_act_zbin_adj = x->last_act_zbin_adj; 367 368 { 369 MACROBLOCKD *xd = &x->e_mbd; 370 MACROBLOCKD *zd = &z->e_mbd; 371 372 /* 373 zd->mode_info_context = xd->mode_info_context; 374 zd->mode_info = xd->mode_info; 375 376 zd->mode_info_stride = xd->mode_info_stride; 377 zd->frame_type = xd->frame_type; 378 zd->up_available = xd->up_available ; 379 zd->left_available = xd->left_available; 380 zd->left_context = xd->left_context; 381 zd->last_frame_dc = xd->last_frame_dc; 382 zd->last_frame_dccons = xd->last_frame_dccons; 383 zd->gold_frame_dc = xd->gold_frame_dc; 384 zd->gold_frame_dccons = xd->gold_frame_dccons; 385 zd->mb_to_left_edge = xd->mb_to_left_edge; 386 zd->mb_to_right_edge = xd->mb_to_right_edge; 387 zd->mb_to_top_edge = xd->mb_to_top_edge ; 388 zd->mb_to_bottom_edge = xd->mb_to_bottom_edge; 389 zd->gf_active_ptr = xd->gf_active_ptr; 390 zd->frames_since_golden = xd->frames_since_golden; 391 zd->frames_till_alt_ref_frame = xd->frames_till_alt_ref_frame; 392 */ 393 zd->subpixel_predict = xd->subpixel_predict; 394 zd->subpixel_predict8x4 = xd->subpixel_predict8x4; 395 zd->subpixel_predict8x8 = xd->subpixel_predict8x8; 396 zd->subpixel_predict16x16 = xd->subpixel_predict16x16; 397 zd->segmentation_enabled = xd->segmentation_enabled; 398 zd->mb_segement_abs_delta = xd->mb_segement_abs_delta; 399 vpx_memcpy(zd->segment_feature_data, xd->segment_feature_data, 400 sizeof(xd->segment_feature_data)); 401 402 vpx_memcpy(zd->dequant_y1_dc, xd->dequant_y1_dc, 403 sizeof(xd->dequant_y1_dc)); 404 vpx_memcpy(zd->dequant_y1, xd->dequant_y1, sizeof(xd->dequant_y1)); 405 vpx_memcpy(zd->dequant_y2, xd->dequant_y2, sizeof(xd->dequant_y2)); 406 vpx_memcpy(zd->dequant_uv, xd->dequant_uv, sizeof(xd->dequant_uv)); 407 408 #if 1 409 /*TODO: Remove dequant from BLOCKD. This is a temporary solution until 410 * the quantizer code uses a passed in pointer to the dequant constants. 411 * This will also require modifications to the x86 and neon assembly. 412 * */ 413 for (i = 0; i < 16; i++) 414 zd->block[i].dequant = zd->dequant_y1; 415 for (i = 16; i < 24; i++) 416 zd->block[i].dequant = zd->dequant_uv; 417 zd->block[24].dequant = zd->dequant_y2; 418 #endif 419 } 420 } 421 422 void vp8cx_init_mbrthread_data(VP8_COMP *cpi, 423 MACROBLOCK *x, 424 MB_ROW_COMP *mbr_ei, 425 int mb_row, 426 int count 427 ) 428 { 429 430 VP8_COMMON *const cm = & cpi->common; 431 MACROBLOCKD *const xd = & x->e_mbd; 432 int i; 433 (void) mb_row; 434 435 for (i = 0; i < count; i++) 436 { 437 MACROBLOCK *mb = & mbr_ei[i].mb; 438 MACROBLOCKD *mbd = &mb->e_mbd; 439 440 mbd->subpixel_predict = xd->subpixel_predict; 441 mbd->subpixel_predict8x4 = xd->subpixel_predict8x4; 442 mbd->subpixel_predict8x8 = xd->subpixel_predict8x8; 443 mbd->subpixel_predict16x16 = xd->subpixel_predict16x16; 444 mb->gf_active_ptr = x->gf_active_ptr; 445 446 vpx_memset(mbr_ei[i].segment_counts, 0, sizeof(mbr_ei[i].segment_counts)); 447 mbr_ei[i].totalrate = 0; 448 449 mb->partition_info = x->pi + x->e_mbd.mode_info_stride * (i + 1); 450 451 mbd->mode_info_context = cm->mi + x->e_mbd.mode_info_stride * (i + 1); 452 mbd->mode_info_stride = cm->mode_info_stride; 453 454 mbd->frame_type = cm->frame_type; 455 456 mb->src = * cpi->Source; 457 mbd->pre = cm->yv12_fb[cm->lst_fb_idx]; 458 mbd->dst = cm->yv12_fb[cm->new_fb_idx]; 459 460 mb->src.y_buffer += 16 * x->src.y_stride * (i + 1); 461 mb->src.u_buffer += 8 * x->src.uv_stride * (i + 1); 462 mb->src.v_buffer += 8 * x->src.uv_stride * (i + 1); 463 464 vp8_build_block_offsets(mb); 465 466 mbd->left_context = &cm->left_context; 467 mb->mvc = cm->fc.mvc; 468 469 setup_mbby_copy(&mbr_ei[i].mb, x); 470 471 mbd->fullpixel_mask = 0xffffffff; 472 if(cm->full_pixel) 473 mbd->fullpixel_mask = 0xfffffff8; 474 475 vp8_zero(mb->coef_counts); 476 vp8_zero(x->ymode_count); 477 mb->skip_true_count = 0; 478 vp8_zero(mb->MVcount); 479 mb->prediction_error = 0; 480 mb->intra_error = 0; 481 } 482 } 483 484 int vp8cx_create_encoder_threads(VP8_COMP *cpi) 485 { 486 const VP8_COMMON * cm = &cpi->common; 487 488 cpi->b_multi_threaded = 0; 489 cpi->encoding_thread_count = 0; 490 cpi->b_lpf_running = 0; 491 492 if (cm->processor_core_count > 1 && cpi->oxcf.multi_threaded > 1) 493 { 494 int ithread; 495 int th_count = cpi->oxcf.multi_threaded - 1; 496 int rc = 0; 497 498 /* don't allocate more threads than cores available */ 499 if (cpi->oxcf.multi_threaded > cm->processor_core_count) 500 th_count = cm->processor_core_count - 1; 501 502 /* we have th_count + 1 (main) threads processing one row each */ 503 /* no point to have more threads than the sync range allows */ 504 if(th_count > ((cm->mb_cols / cpi->mt_sync_range) - 1)) 505 { 506 th_count = (cm->mb_cols / cpi->mt_sync_range) - 1; 507 } 508 509 if(th_count == 0) 510 return 0; 511 512 CHECK_MEM_ERROR(cpi->h_encoding_thread, 513 vpx_malloc(sizeof(pthread_t) * th_count)); 514 CHECK_MEM_ERROR(cpi->h_event_start_encoding, 515 vpx_malloc(sizeof(sem_t) * th_count)); 516 CHECK_MEM_ERROR(cpi->mb_row_ei, 517 vpx_memalign(32, sizeof(MB_ROW_COMP) * th_count)); 518 vpx_memset(cpi->mb_row_ei, 0, sizeof(MB_ROW_COMP) * th_count); 519 CHECK_MEM_ERROR(cpi->en_thread_data, 520 vpx_malloc(sizeof(ENCODETHREAD_DATA) * th_count)); 521 522 sem_init(&cpi->h_event_end_encoding, 0, 0); 523 524 cpi->b_multi_threaded = 1; 525 cpi->encoding_thread_count = th_count; 526 527 /* 528 printf("[VP8:] multi_threaded encoding is enabled with %d threads\n\n", 529 (cpi->encoding_thread_count +1)); 530 */ 531 532 for (ithread = 0; ithread < th_count; ithread++) 533 { 534 ENCODETHREAD_DATA *ethd = &cpi->en_thread_data[ithread]; 535 536 /* Setup block ptrs and offsets */ 537 vp8_setup_block_ptrs(&cpi->mb_row_ei[ithread].mb); 538 vp8_setup_block_dptrs(&cpi->mb_row_ei[ithread].mb.e_mbd); 539 540 sem_init(&cpi->h_event_start_encoding[ithread], 0, 0); 541 542 ethd->ithread = ithread; 543 ethd->ptr1 = (void *)cpi; 544 ethd->ptr2 = (void *)&cpi->mb_row_ei[ithread]; 545 546 rc = pthread_create(&cpi->h_encoding_thread[ithread], 0, 547 thread_encoding_proc, ethd); 548 if(rc) 549 break; 550 } 551 552 if(rc) 553 { 554 /* shutdown other threads */ 555 cpi->b_multi_threaded = 0; 556 for(--ithread; ithread >= 0; ithread--) 557 { 558 pthread_join(cpi->h_encoding_thread[ithread], 0); 559 sem_destroy(&cpi->h_event_start_encoding[ithread]); 560 } 561 sem_destroy(&cpi->h_event_end_encoding); 562 563 /* free thread related resources */ 564 vpx_free(cpi->h_event_start_encoding); 565 vpx_free(cpi->h_encoding_thread); 566 vpx_free(cpi->mb_row_ei); 567 vpx_free(cpi->en_thread_data); 568 569 return -1; 570 } 571 572 573 { 574 LPFTHREAD_DATA * lpfthd = &cpi->lpf_thread_data; 575 576 sem_init(&cpi->h_event_start_lpf, 0, 0); 577 sem_init(&cpi->h_event_end_lpf, 0, 0); 578 579 lpfthd->ptr1 = (void *)cpi; 580 rc = pthread_create(&cpi->h_filter_thread, 0, thread_loopfilter, 581 lpfthd); 582 583 if(rc) 584 { 585 /* shutdown other threads */ 586 cpi->b_multi_threaded = 0; 587 for(--ithread; ithread >= 0; ithread--) 588 { 589 sem_post(&cpi->h_event_start_encoding[ithread]); 590 pthread_join(cpi->h_encoding_thread[ithread], 0); 591 sem_destroy(&cpi->h_event_start_encoding[ithread]); 592 } 593 sem_destroy(&cpi->h_event_end_encoding); 594 sem_destroy(&cpi->h_event_end_lpf); 595 sem_destroy(&cpi->h_event_start_lpf); 596 597 /* free thread related resources */ 598 vpx_free(cpi->h_event_start_encoding); 599 vpx_free(cpi->h_encoding_thread); 600 vpx_free(cpi->mb_row_ei); 601 vpx_free(cpi->en_thread_data); 602 603 return -2; 604 } 605 } 606 } 607 return 0; 608 } 609 610 void vp8cx_remove_encoder_threads(VP8_COMP *cpi) 611 { 612 if (cpi->b_multi_threaded) 613 { 614 /* shutdown other threads */ 615 cpi->b_multi_threaded = 0; 616 { 617 int i; 618 619 for (i = 0; i < cpi->encoding_thread_count; i++) 620 { 621 sem_post(&cpi->h_event_start_encoding[i]); 622 pthread_join(cpi->h_encoding_thread[i], 0); 623 624 sem_destroy(&cpi->h_event_start_encoding[i]); 625 } 626 627 sem_post(&cpi->h_event_start_lpf); 628 pthread_join(cpi->h_filter_thread, 0); 629 } 630 631 sem_destroy(&cpi->h_event_end_encoding); 632 sem_destroy(&cpi->h_event_end_lpf); 633 sem_destroy(&cpi->h_event_start_lpf); 634 635 /* free thread related resources */ 636 vpx_free(cpi->h_event_start_encoding); 637 vpx_free(cpi->h_encoding_thread); 638 vpx_free(cpi->mb_row_ei); 639 vpx_free(cpi->en_thread_data); 640 } 641 } 642 #endif 643
