diff options
Diffstat (limited to 'media/libvpx/libvpx/vp8/encoder/ethreading.c')
-rw-r--r-- | media/libvpx/libvpx/vp8/encoder/ethreading.c | 639 |
1 files changed, 639 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vp8/encoder/ethreading.c b/media/libvpx/libvpx/vp8/encoder/ethreading.c new file mode 100644 index 0000000000..2583cb0ac3 --- /dev/null +++ b/media/libvpx/libvpx/vp8/encoder/ethreading.c @@ -0,0 +1,639 @@ +/* + * Copyright (c) 2010 The WebM project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include "onyx_int.h" +#include "vp8/common/threading.h" +#include "vp8/common/common.h" +#include "vp8/common/extend.h" +#include "bitstream.h" +#include "encodeframe.h" +#include "ethreading.h" + +#if CONFIG_MULTITHREAD + +extern void vp8cx_mb_init_quantizer(VP8_COMP *cpi, MACROBLOCK *x, + int ok_to_skip); + +static THREAD_FUNCTION thread_loopfilter(void *p_data) { + VP8_COMP *cpi = (VP8_COMP *)(((LPFTHREAD_DATA *)p_data)->ptr1); + VP8_COMMON *cm = &cpi->common; + + while (1) { + if (vpx_atomic_load_acquire(&cpi->b_multi_threaded) == 0) break; + + if (sem_wait(&cpi->h_event_start_lpf) == 0) { + /* we're shutting down */ + if (vpx_atomic_load_acquire(&cpi->b_multi_threaded) == 0) break; + + vp8_loopfilter_frame(cpi, cm); + + sem_post(&cpi->h_event_end_lpf); + } + } + + return 0; +} + +static THREAD_FUNCTION thread_encoding_proc(void *p_data) { + int ithread = ((ENCODETHREAD_DATA *)p_data)->ithread; + VP8_COMP *cpi = (VP8_COMP *)(((ENCODETHREAD_DATA *)p_data)->ptr1); + MB_ROW_COMP *mbri = (MB_ROW_COMP *)(((ENCODETHREAD_DATA *)p_data)->ptr2); + ENTROPY_CONTEXT_PLANES mb_row_left_context; + + while (1) { + if (vpx_atomic_load_acquire(&cpi->b_multi_threaded) == 0) break; + + if (sem_wait(&cpi->h_event_start_encoding[ithread]) == 0) { + const int nsync = cpi->mt_sync_range; + VP8_COMMON *cm = &cpi->common; + int mb_row; + MACROBLOCK *x = &mbri->mb; + MACROBLOCKD *xd = &x->e_mbd; + TOKENEXTRA *tp; +#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING + TOKENEXTRA *tp_start = cpi->tok + (1 + ithread) * (16 * 24); + const int num_part = (1 << cm->multi_token_partition); +#endif + + int *segment_counts = mbri->segment_counts; + int *totalrate = &mbri->totalrate; + + /* we're shutting down */ + if (vpx_atomic_load_acquire(&cpi->b_multi_threaded) == 0) break; + + xd->mode_info_context = cm->mi + cm->mode_info_stride * (ithread + 1); + xd->mode_info_stride = cm->mode_info_stride; + + for (mb_row = ithread + 1; mb_row < cm->mb_rows; + mb_row += (cpi->encoding_thread_count + 1)) { + int recon_yoffset, recon_uvoffset; + int mb_col; + int ref_fb_idx = cm->lst_fb_idx; + int dst_fb_idx = cm->new_fb_idx; + int recon_y_stride = cm->yv12_fb[ref_fb_idx].y_stride; + int recon_uv_stride = cm->yv12_fb[ref_fb_idx].uv_stride; + int map_index = (mb_row * cm->mb_cols); + const vpx_atomic_int *last_row_current_mb_col; + vpx_atomic_int *current_mb_col = &cpi->mt_current_mb_col[mb_row]; + +#if (CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING) + vp8_writer *w = &cpi->bc[1 + (mb_row % num_part)]; +#else + tp = cpi->tok + (mb_row * (cm->mb_cols * 16 * 24)); + cpi->tplist[mb_row].start = tp; +#endif + + last_row_current_mb_col = &cpi->mt_current_mb_col[mb_row - 1]; + + /* reset above block coeffs */ + xd->above_context = cm->above_context; + xd->left_context = &mb_row_left_context; + + vp8_zero(mb_row_left_context); + + xd->up_available = (mb_row != 0); + recon_yoffset = (mb_row * recon_y_stride * 16); + recon_uvoffset = (mb_row * recon_uv_stride * 8); + + /* Set the mb activity pointer to the start of the row. */ + x->mb_activity_ptr = &cpi->mb_activity_map[map_index]; + + /* for each macroblock col in image */ + for (mb_col = 0; mb_col < cm->mb_cols; ++mb_col) { + if (((mb_col - 1) % nsync) == 0) { + vpx_atomic_store_release(current_mb_col, mb_col - 1); + } + + if (mb_row && !(mb_col & (nsync - 1))) { + vp8_atomic_spin_wait(mb_col, last_row_current_mb_col, nsync); + } + +#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING + tp = tp_start; +#endif + + /* Distance of Mb to the various image edges. + * These specified to 8th pel as they are always compared + * to values that are in 1/8th pel units + */ + xd->mb_to_left_edge = -((mb_col * 16) << 3); + xd->mb_to_right_edge = ((cm->mb_cols - 1 - mb_col) * 16) << 3; + xd->mb_to_top_edge = -((mb_row * 16) << 3); + xd->mb_to_bottom_edge = ((cm->mb_rows - 1 - mb_row) * 16) << 3; + + /* Set up limit values for motion vectors used to prevent + * them extending outside the UMV borders + */ + x->mv_col_min = -((mb_col * 16) + (VP8BORDERINPIXELS - 16)); + x->mv_col_max = + ((cm->mb_cols - 1 - mb_col) * 16) + (VP8BORDERINPIXELS - 16); + x->mv_row_min = -((mb_row * 16) + (VP8BORDERINPIXELS - 16)); + x->mv_row_max = + ((cm->mb_rows - 1 - mb_row) * 16) + (VP8BORDERINPIXELS - 16); + + xd->dst.y_buffer = cm->yv12_fb[dst_fb_idx].y_buffer + recon_yoffset; + xd->dst.u_buffer = cm->yv12_fb[dst_fb_idx].u_buffer + recon_uvoffset; + xd->dst.v_buffer = cm->yv12_fb[dst_fb_idx].v_buffer + recon_uvoffset; + xd->left_available = (mb_col != 0); + + x->rddiv = cpi->RDDIV; + x->rdmult = cpi->RDMULT; + + /* Copy current mb to a buffer */ + vp8_copy_mem16x16(x->src.y_buffer, x->src.y_stride, x->thismb, 16); + + if (cpi->oxcf.tuning == VP8_TUNE_SSIM) vp8_activity_masking(cpi, x); + + /* Is segmentation enabled */ + /* MB level adjustment to quantizer */ + if (xd->segmentation_enabled) { + /* Code to set segment id in xd->mbmi.segment_id for + * current MB (with range checking) + */ + if (cpi->segmentation_map[map_index + mb_col] <= 3) { + xd->mode_info_context->mbmi.segment_id = + cpi->segmentation_map[map_index + mb_col]; + } else { + xd->mode_info_context->mbmi.segment_id = 0; + } + + vp8cx_mb_init_quantizer(cpi, x, 1); + } else { + /* Set to Segment 0 by default */ + xd->mode_info_context->mbmi.segment_id = 0; + } + + x->active_ptr = cpi->active_map + map_index + mb_col; + + if (cm->frame_type == KEY_FRAME) { + *totalrate += vp8cx_encode_intra_macroblock(cpi, x, &tp); +#ifdef MODE_STATS + y_modes[xd->mbmi.mode]++; +#endif + } else { + *totalrate += vp8cx_encode_inter_macroblock( + cpi, x, &tp, recon_yoffset, recon_uvoffset, mb_row, mb_col); + +#ifdef MODE_STATS + inter_y_modes[xd->mbmi.mode]++; + + if (xd->mbmi.mode == SPLITMV) { + int b; + + for (b = 0; b < xd->mbmi.partition_count; ++b) { + inter_b_modes[x->partition->bmi[b].mode]++; + } + } + +#endif + // Keep track of how many (consecutive) times a block + // is coded as ZEROMV_LASTREF, for base layer frames. + // Reset to 0 if its coded as anything else. + if (cpi->current_layer == 0) { + if (xd->mode_info_context->mbmi.mode == ZEROMV && + xd->mode_info_context->mbmi.ref_frame == LAST_FRAME) { + // Increment, check for wrap-around. + if (cpi->consec_zero_last[map_index + mb_col] < 255) { + cpi->consec_zero_last[map_index + mb_col] += 1; + } + if (cpi->consec_zero_last_mvbias[map_index + mb_col] < 255) { + cpi->consec_zero_last_mvbias[map_index + mb_col] += 1; + } + } else { + cpi->consec_zero_last[map_index + mb_col] = 0; + cpi->consec_zero_last_mvbias[map_index + mb_col] = 0; + } + if (x->zero_last_dot_suppress) { + cpi->consec_zero_last_mvbias[map_index + mb_col] = 0; + } + } + + /* Special case code for cyclic refresh + * If cyclic update enabled then copy + * xd->mbmi.segment_id; (which may have been updated + * based on mode during + * vp8cx_encode_inter_macroblock()) back into the + * global segmentation map + */ + if ((cpi->current_layer == 0) && + (cpi->cyclic_refresh_mode_enabled && + xd->segmentation_enabled)) { + const MB_MODE_INFO *mbmi = &xd->mode_info_context->mbmi; + cpi->segmentation_map[map_index + mb_col] = mbmi->segment_id; + + /* If the block has been refreshed mark it as clean + * (the magnitude of the -ve influences how long it + * will be before we consider another refresh): + * Else if it was coded (last frame 0,0) and has + * not already been refreshed then mark it as a + * candidate for cleanup next time (marked 0) else + * mark it as dirty (1). + */ + if (mbmi->segment_id) { + cpi->cyclic_refresh_map[map_index + mb_col] = -1; + } else if ((mbmi->mode == ZEROMV) && + (mbmi->ref_frame == LAST_FRAME)) { + if (cpi->cyclic_refresh_map[map_index + mb_col] == 1) { + cpi->cyclic_refresh_map[map_index + mb_col] = 0; + } + } else { + cpi->cyclic_refresh_map[map_index + mb_col] = 1; + } + } + } + +#if CONFIG_REALTIME_ONLY & CONFIG_ONTHEFLY_BITPACKING + /* pack tokens for this MB */ + { + int tok_count = tp - tp_start; + vp8_pack_tokens(w, tp_start, tok_count); + } +#else + cpi->tplist[mb_row].stop = tp; +#endif + /* Increment pointer into gf usage flags structure. */ + x->gf_active_ptr++; + + /* Increment the activity mask pointers. */ + x->mb_activity_ptr++; + + /* adjust to the next column of macroblocks */ + x->src.y_buffer += 16; + x->src.u_buffer += 8; + x->src.v_buffer += 8; + + recon_yoffset += 16; + recon_uvoffset += 8; + + /* Keep track of segment usage */ + segment_counts[xd->mode_info_context->mbmi.segment_id]++; + + /* skip to next mb */ + xd->mode_info_context++; + x->partition_info++; + xd->above_context++; + } + + vp8_extend_mb_row(&cm->yv12_fb[dst_fb_idx], xd->dst.y_buffer + 16, + xd->dst.u_buffer + 8, xd->dst.v_buffer + 8); + + vpx_atomic_store_release(current_mb_col, mb_col + nsync); + + /* this is to account for the border */ + xd->mode_info_context++; + x->partition_info++; + + x->src.y_buffer += + 16 * x->src.y_stride * (cpi->encoding_thread_count + 1) - + 16 * cm->mb_cols; + x->src.u_buffer += + 8 * x->src.uv_stride * (cpi->encoding_thread_count + 1) - + 8 * cm->mb_cols; + x->src.v_buffer += + 8 * x->src.uv_stride * (cpi->encoding_thread_count + 1) - + 8 * cm->mb_cols; + + xd->mode_info_context += + xd->mode_info_stride * cpi->encoding_thread_count; + x->partition_info += xd->mode_info_stride * cpi->encoding_thread_count; + x->gf_active_ptr += cm->mb_cols * cpi->encoding_thread_count; + } + /* Signal that this thread has completed processing its rows. */ + sem_post(&cpi->h_event_end_encoding[ithread]); + } + } + + /* printf("exit thread %d\n", ithread); */ + return 0; +} + +static void setup_mbby_copy(MACROBLOCK *mbdst, MACROBLOCK *mbsrc) { + MACROBLOCK *x = mbsrc; + MACROBLOCK *z = mbdst; + int i; + + z->ss = x->ss; + z->ss_count = x->ss_count; + z->searches_per_step = x->searches_per_step; + z->errorperbit = x->errorperbit; + + z->sadperbit16 = x->sadperbit16; + z->sadperbit4 = x->sadperbit4; + + /* + z->mv_col_min = x->mv_col_min; + z->mv_col_max = x->mv_col_max; + z->mv_row_min = x->mv_row_min; + z->mv_row_max = x->mv_row_max; + */ + + z->short_fdct4x4 = x->short_fdct4x4; + z->short_fdct8x4 = x->short_fdct8x4; + z->short_walsh4x4 = x->short_walsh4x4; + z->quantize_b = x->quantize_b; + z->optimize = x->optimize; + + /* + z->mvc = x->mvc; + z->src.y_buffer = x->src.y_buffer; + z->src.u_buffer = x->src.u_buffer; + z->src.v_buffer = x->src.v_buffer; + */ + + z->mvcost[0] = x->mvcost[0]; + z->mvcost[1] = x->mvcost[1]; + z->mvsadcost[0] = x->mvsadcost[0]; + z->mvsadcost[1] = x->mvsadcost[1]; + + z->token_costs = x->token_costs; + z->inter_bmode_costs = x->inter_bmode_costs; + z->mbmode_cost = x->mbmode_cost; + z->intra_uv_mode_cost = x->intra_uv_mode_cost; + z->bmode_costs = x->bmode_costs; + + for (i = 0; i < 25; ++i) { + z->block[i].quant = x->block[i].quant; + z->block[i].quant_fast = x->block[i].quant_fast; + z->block[i].quant_shift = x->block[i].quant_shift; + z->block[i].zbin = x->block[i].zbin; + z->block[i].zrun_zbin_boost = x->block[i].zrun_zbin_boost; + z->block[i].round = x->block[i].round; + z->block[i].src_stride = x->block[i].src_stride; + } + + z->q_index = x->q_index; + z->act_zbin_adj = x->act_zbin_adj; + z->last_act_zbin_adj = x->last_act_zbin_adj; + + { + MACROBLOCKD *xd = &x->e_mbd; + MACROBLOCKD *zd = &z->e_mbd; + + /* + zd->mode_info_context = xd->mode_info_context; + zd->mode_info = xd->mode_info; + + zd->mode_info_stride = xd->mode_info_stride; + zd->frame_type = xd->frame_type; + zd->up_available = xd->up_available ; + zd->left_available = xd->left_available; + zd->left_context = xd->left_context; + zd->last_frame_dc = xd->last_frame_dc; + zd->last_frame_dccons = xd->last_frame_dccons; + zd->gold_frame_dc = xd->gold_frame_dc; + zd->gold_frame_dccons = xd->gold_frame_dccons; + zd->mb_to_left_edge = xd->mb_to_left_edge; + zd->mb_to_right_edge = xd->mb_to_right_edge; + zd->mb_to_top_edge = xd->mb_to_top_edge ; + zd->mb_to_bottom_edge = xd->mb_to_bottom_edge; + zd->gf_active_ptr = xd->gf_active_ptr; + zd->frames_since_golden = xd->frames_since_golden; + zd->frames_till_alt_ref_frame = xd->frames_till_alt_ref_frame; + */ + zd->subpixel_predict = xd->subpixel_predict; + zd->subpixel_predict8x4 = xd->subpixel_predict8x4; + zd->subpixel_predict8x8 = xd->subpixel_predict8x8; + zd->subpixel_predict16x16 = xd->subpixel_predict16x16; + zd->segmentation_enabled = xd->segmentation_enabled; + zd->mb_segement_abs_delta = xd->mb_segement_abs_delta; + memcpy(zd->segment_feature_data, xd->segment_feature_data, + sizeof(xd->segment_feature_data)); + + memcpy(zd->dequant_y1_dc, xd->dequant_y1_dc, sizeof(xd->dequant_y1_dc)); + memcpy(zd->dequant_y1, xd->dequant_y1, sizeof(xd->dequant_y1)); + memcpy(zd->dequant_y2, xd->dequant_y2, sizeof(xd->dequant_y2)); + memcpy(zd->dequant_uv, xd->dequant_uv, sizeof(xd->dequant_uv)); + +#if 1 + /*TODO: Remove dequant from BLOCKD. This is a temporary solution until + * the quantizer code uses a passed in pointer to the dequant constants. + * This will also require modifications to the x86 and neon assembly. + * */ + for (i = 0; i < 16; ++i) zd->block[i].dequant = zd->dequant_y1; + for (i = 16; i < 24; ++i) zd->block[i].dequant = zd->dequant_uv; + zd->block[24].dequant = zd->dequant_y2; +#endif + + memcpy(z->rd_threshes, x->rd_threshes, sizeof(x->rd_threshes)); + memcpy(z->rd_thresh_mult, x->rd_thresh_mult, sizeof(x->rd_thresh_mult)); + + z->zbin_over_quant = x->zbin_over_quant; + z->zbin_mode_boost_enabled = x->zbin_mode_boost_enabled; + z->zbin_mode_boost = x->zbin_mode_boost; + + memset(z->error_bins, 0, sizeof(z->error_bins)); + } +} + +void vp8cx_init_mbrthread_data(VP8_COMP *cpi, MACROBLOCK *x, + MB_ROW_COMP *mbr_ei, int count) { + VP8_COMMON *const cm = &cpi->common; + MACROBLOCKD *const xd = &x->e_mbd; + int i; + + for (i = 0; i < count; ++i) { + MACROBLOCK *mb = &mbr_ei[i].mb; + MACROBLOCKD *mbd = &mb->e_mbd; + + mbd->subpixel_predict = xd->subpixel_predict; + mbd->subpixel_predict8x4 = xd->subpixel_predict8x4; + mbd->subpixel_predict8x8 = xd->subpixel_predict8x8; + mbd->subpixel_predict16x16 = xd->subpixel_predict16x16; + mb->gf_active_ptr = x->gf_active_ptr; + + memset(mbr_ei[i].segment_counts, 0, sizeof(mbr_ei[i].segment_counts)); + mbr_ei[i].totalrate = 0; + + mb->partition_info = x->pi + x->e_mbd.mode_info_stride * (i + 1); + + mbd->frame_type = cm->frame_type; + + mb->src = *cpi->Source; + mbd->pre = cm->yv12_fb[cm->lst_fb_idx]; + mbd->dst = cm->yv12_fb[cm->new_fb_idx]; + + mb->src.y_buffer += 16 * x->src.y_stride * (i + 1); + mb->src.u_buffer += 8 * x->src.uv_stride * (i + 1); + mb->src.v_buffer += 8 * x->src.uv_stride * (i + 1); + + vp8_build_block_offsets(mb); + + mbd->left_context = &cm->left_context; + mb->mvc = cm->fc.mvc; + + setup_mbby_copy(&mbr_ei[i].mb, x); + + mbd->fullpixel_mask = ~0; + if (cm->full_pixel) mbd->fullpixel_mask = ~7; + + vp8_zero(mb->coef_counts); + vp8_zero(x->ymode_count); + mb->skip_true_count = 0; + vp8_zero(mb->MVcount); + mb->prediction_error = 0; + mb->intra_error = 0; + vp8_zero(mb->count_mb_ref_frame_usage); + mb->mbs_tested_so_far = 0; + mb->mbs_zero_last_dot_suppress = 0; + } +} + +int vp8cx_create_encoder_threads(VP8_COMP *cpi) { + const VP8_COMMON *cm = &cpi->common; + + vpx_atomic_init(&cpi->b_multi_threaded, 0); + cpi->encoding_thread_count = 0; + cpi->b_lpf_running = 0; + + if (cm->processor_core_count > 1 && cpi->oxcf.multi_threaded > 1) { + int ithread; + int th_count = cpi->oxcf.multi_threaded - 1; + int rc = 0; + + /* don't allocate more threads than cores available */ + if (cpi->oxcf.multi_threaded > cm->processor_core_count) { + th_count = cm->processor_core_count - 1; + } + + /* we have th_count + 1 (main) threads processing one row each */ + /* no point to have more threads than the sync range allows */ + if (th_count > ((cm->mb_cols / cpi->mt_sync_range) - 1)) { + th_count = (cm->mb_cols / cpi->mt_sync_range) - 1; + } + + if (th_count == 0) return 0; + + CHECK_MEM_ERROR(&cpi->common.error, cpi->h_encoding_thread, + vpx_malloc(sizeof(pthread_t) * th_count)); + CHECK_MEM_ERROR(&cpi->common.error, cpi->h_event_start_encoding, + vpx_malloc(sizeof(sem_t) * th_count)); + CHECK_MEM_ERROR(&cpi->common.error, cpi->h_event_end_encoding, + vpx_malloc(sizeof(sem_t) * th_count)); + CHECK_MEM_ERROR(&cpi->common.error, cpi->mb_row_ei, + vpx_memalign(32, sizeof(MB_ROW_COMP) * th_count)); + memset(cpi->mb_row_ei, 0, sizeof(MB_ROW_COMP) * th_count); + CHECK_MEM_ERROR(&cpi->common.error, cpi->en_thread_data, + vpx_malloc(sizeof(ENCODETHREAD_DATA) * th_count)); + + vpx_atomic_store_release(&cpi->b_multi_threaded, 1); + cpi->encoding_thread_count = th_count; + + /* + printf("[VP8:] multi_threaded encoding is enabled with %d threads\n\n", + (cpi->encoding_thread_count +1)); + */ + + for (ithread = 0; ithread < th_count; ++ithread) { + ENCODETHREAD_DATA *ethd = &cpi->en_thread_data[ithread]; + + /* Setup block ptrs and offsets */ + vp8_setup_block_ptrs(&cpi->mb_row_ei[ithread].mb); + vp8_setup_block_dptrs(&cpi->mb_row_ei[ithread].mb.e_mbd); + + sem_init(&cpi->h_event_start_encoding[ithread], 0, 0); + sem_init(&cpi->h_event_end_encoding[ithread], 0, 0); + + ethd->ithread = ithread; + ethd->ptr1 = (void *)cpi; + ethd->ptr2 = (void *)&cpi->mb_row_ei[ithread]; + + rc = pthread_create(&cpi->h_encoding_thread[ithread], 0, + thread_encoding_proc, ethd); + if (rc) break; + } + + if (rc) { + /* shutdown other threads */ + vpx_atomic_store_release(&cpi->b_multi_threaded, 0); + for (--ithread; ithread >= 0; ithread--) { + pthread_join(cpi->h_encoding_thread[ithread], 0); + sem_destroy(&cpi->h_event_start_encoding[ithread]); + sem_destroy(&cpi->h_event_end_encoding[ithread]); + } + + /* free thread related resources */ + vpx_free(cpi->h_event_start_encoding); + vpx_free(cpi->h_event_end_encoding); + vpx_free(cpi->h_encoding_thread); + vpx_free(cpi->mb_row_ei); + vpx_free(cpi->en_thread_data); + + return -1; + } + + { + LPFTHREAD_DATA *lpfthd = &cpi->lpf_thread_data; + + sem_init(&cpi->h_event_start_lpf, 0, 0); + sem_init(&cpi->h_event_end_lpf, 0, 0); + + lpfthd->ptr1 = (void *)cpi; + rc = pthread_create(&cpi->h_filter_thread, 0, thread_loopfilter, lpfthd); + + if (rc) { + /* shutdown other threads */ + vpx_atomic_store_release(&cpi->b_multi_threaded, 0); + for (--ithread; ithread >= 0; ithread--) { + sem_post(&cpi->h_event_start_encoding[ithread]); + sem_post(&cpi->h_event_end_encoding[ithread]); + pthread_join(cpi->h_encoding_thread[ithread], 0); + sem_destroy(&cpi->h_event_start_encoding[ithread]); + sem_destroy(&cpi->h_event_end_encoding[ithread]); + } + sem_destroy(&cpi->h_event_end_lpf); + sem_destroy(&cpi->h_event_start_lpf); + + /* free thread related resources */ + vpx_free(cpi->h_event_start_encoding); + vpx_free(cpi->h_event_end_encoding); + vpx_free(cpi->h_encoding_thread); + vpx_free(cpi->mb_row_ei); + vpx_free(cpi->en_thread_data); + + return -2; + } + } + } + return 0; +} + +void vp8cx_remove_encoder_threads(VP8_COMP *cpi) { + if (vpx_atomic_load_acquire(&cpi->b_multi_threaded)) { + /* shutdown other threads */ + vpx_atomic_store_release(&cpi->b_multi_threaded, 0); + { + int i; + + for (i = 0; i < cpi->encoding_thread_count; ++i) { + sem_post(&cpi->h_event_start_encoding[i]); + sem_post(&cpi->h_event_end_encoding[i]); + + pthread_join(cpi->h_encoding_thread[i], 0); + + sem_destroy(&cpi->h_event_start_encoding[i]); + sem_destroy(&cpi->h_event_end_encoding[i]); + } + + sem_post(&cpi->h_event_start_lpf); + pthread_join(cpi->h_filter_thread, 0); + } + + sem_destroy(&cpi->h_event_end_lpf); + sem_destroy(&cpi->h_event_start_lpf); + + /* free thread related resources */ + vpx_free(cpi->h_event_start_encoding); + vpx_free(cpi->h_event_end_encoding); + vpx_free(cpi->h_encoding_thread); + vpx_free(cpi->mb_row_ei); + vpx_free(cpi->en_thread_data); + } +} +#endif |