diff options
Diffstat (limited to 'thirdparty/libvpx/vp8/decoder/threading.c')
| -rw-r--r-- | thirdparty/libvpx/vp8/decoder/threading.c | 928 |
1 files changed, 0 insertions, 928 deletions
diff --git a/thirdparty/libvpx/vp8/decoder/threading.c b/thirdparty/libvpx/vp8/decoder/threading.c deleted file mode 100644 index 3c1b8387ec..0000000000 --- a/thirdparty/libvpx/vp8/decoder/threading.c +++ /dev/null @@ -1,928 +0,0 @@ -/* - * 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 "vpx_config.h" -#include "vp8_rtcd.h" -#if !defined(WIN32) && CONFIG_OS_SUPPORT == 1 -# include <unistd.h> -#endif -#include "onyxd_int.h" -#include "vpx_mem/vpx_mem.h" -#include "vp8/common/threading.h" - -#include "vp8/common/loopfilter.h" -#include "vp8/common/extend.h" -#include "vpx_ports/vpx_timer.h" -#include "detokenize.h" -#include "vp8/common/reconintra4x4.h" -#include "vp8/common/reconinter.h" -#include "vp8/common/reconintra.h" -#include "vp8/common/setupintrarecon.h" -#if CONFIG_ERROR_CONCEALMENT -#include "error_concealment.h" -#endif - -#define CALLOC_ARRAY(p, n) CHECK_MEM_ERROR((p), vpx_calloc(sizeof(*(p)), (n))) -#define CALLOC_ARRAY_ALIGNED(p, n, algn) do { \ - CHECK_MEM_ERROR((p), vpx_memalign((algn), sizeof(*(p)) * (n))); \ - memset((p), 0, (n) * sizeof(*(p))); \ -} while (0) - - -void vp8_mb_init_dequantizer(VP8D_COMP *pbi, MACROBLOCKD *xd); - -static void setup_decoding_thread_data(VP8D_COMP *pbi, MACROBLOCKD *xd, MB_ROW_DEC *mbrd, int count) -{ - VP8_COMMON *const pc = & pbi->common; - int i; - - for (i = 0; i < count; i++) - { - MACROBLOCKD *mbd = &mbrd[i].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; - - mbd->frame_type = pc->frame_type; - mbd->pre = xd->pre; - mbd->dst = xd->dst; - - mbd->segmentation_enabled = xd->segmentation_enabled; - mbd->mb_segement_abs_delta = xd->mb_segement_abs_delta; - memcpy(mbd->segment_feature_data, xd->segment_feature_data, sizeof(xd->segment_feature_data)); - - /*signed char ref_lf_deltas[MAX_REF_LF_DELTAS];*/ - memcpy(mbd->ref_lf_deltas, xd->ref_lf_deltas, sizeof(xd->ref_lf_deltas)); - /*signed char mode_lf_deltas[MAX_MODE_LF_DELTAS];*/ - memcpy(mbd->mode_lf_deltas, xd->mode_lf_deltas, sizeof(xd->mode_lf_deltas)); - /*unsigned char mode_ref_lf_delta_enabled; - unsigned char mode_ref_lf_delta_update;*/ - mbd->mode_ref_lf_delta_enabled = xd->mode_ref_lf_delta_enabled; - mbd->mode_ref_lf_delta_update = xd->mode_ref_lf_delta_update; - - mbd->current_bc = &pbi->mbc[0]; - - memcpy(mbd->dequant_y1_dc, xd->dequant_y1_dc, sizeof(xd->dequant_y1_dc)); - memcpy(mbd->dequant_y1, xd->dequant_y1, sizeof(xd->dequant_y1)); - memcpy(mbd->dequant_y2, xd->dequant_y2, sizeof(xd->dequant_y2)); - memcpy(mbd->dequant_uv, xd->dequant_uv, sizeof(xd->dequant_uv)); - - mbd->fullpixel_mask = 0xffffffff; - - if (pc->full_pixel) - mbd->fullpixel_mask = 0xfffffff8; - - } - - for (i = 0; i < pc->mb_rows; i++) - pbi->mt_current_mb_col[i] = -1; -} - -static void mt_decode_macroblock(VP8D_COMP *pbi, MACROBLOCKD *xd, - unsigned int mb_idx) -{ - MB_PREDICTION_MODE mode; - int i; -#if CONFIG_ERROR_CONCEALMENT - int corruption_detected = 0; -#else - (void)mb_idx; -#endif - - if (xd->mode_info_context->mbmi.mb_skip_coeff) - { - vp8_reset_mb_tokens_context(xd); - } - else if (!vp8dx_bool_error(xd->current_bc)) - { - int eobtotal; - eobtotal = vp8_decode_mb_tokens(pbi, xd); - - /* Special case: Force the loopfilter to skip when eobtotal is zero */ - xd->mode_info_context->mbmi.mb_skip_coeff = (eobtotal==0); - } - - mode = xd->mode_info_context->mbmi.mode; - - if (xd->segmentation_enabled) - vp8_mb_init_dequantizer(pbi, xd); - - -#if CONFIG_ERROR_CONCEALMENT - - if(pbi->ec_active) - { - int throw_residual; - /* When we have independent partitions we can apply residual even - * though other partitions within the frame are corrupt. - */ - throw_residual = (!pbi->independent_partitions && - pbi->frame_corrupt_residual); - throw_residual = (throw_residual || vp8dx_bool_error(xd->current_bc)); - - if ((mb_idx >= pbi->mvs_corrupt_from_mb || throw_residual)) - { - /* MB with corrupt residuals or corrupt mode/motion vectors. - * Better to use the predictor as reconstruction. - */ - pbi->frame_corrupt_residual = 1; - memset(xd->qcoeff, 0, sizeof(xd->qcoeff)); - - corruption_detected = 1; - - /* force idct to be skipped for B_PRED and use the - * prediction only for reconstruction - * */ - memset(xd->eobs, 0, 25); - } - } -#endif - - /* do prediction */ - if (xd->mode_info_context->mbmi.ref_frame == INTRA_FRAME) - { - vp8_build_intra_predictors_mbuv_s(xd, - xd->recon_above[1], - xd->recon_above[2], - xd->recon_left[1], - xd->recon_left[2], - xd->recon_left_stride[1], - xd->dst.u_buffer, xd->dst.v_buffer, - xd->dst.uv_stride); - - if (mode != B_PRED) - { - vp8_build_intra_predictors_mby_s(xd, - xd->recon_above[0], - xd->recon_left[0], - xd->recon_left_stride[0], - xd->dst.y_buffer, - xd->dst.y_stride); - } - else - { - short *DQC = xd->dequant_y1; - int dst_stride = xd->dst.y_stride; - - /* clear out residual eob info */ - if(xd->mode_info_context->mbmi.mb_skip_coeff) - memset(xd->eobs, 0, 25); - - intra_prediction_down_copy(xd, xd->recon_above[0] + 16); - - for (i = 0; i < 16; i++) - { - BLOCKD *b = &xd->block[i]; - unsigned char *dst = xd->dst.y_buffer + b->offset; - B_PREDICTION_MODE b_mode = - xd->mode_info_context->bmi[i].as_mode; - unsigned char *Above; - unsigned char *yleft; - int left_stride; - unsigned char top_left; - - /*Caution: For some b_mode, it needs 8 pixels (4 above + 4 above-right).*/ - if (i < 4 && pbi->common.filter_level) - Above = xd->recon_above[0] + b->offset; - else - Above = dst - dst_stride; - - if (i%4==0 && pbi->common.filter_level) - { - yleft = xd->recon_left[0] + i; - left_stride = 1; - } - else - { - yleft = dst - 1; - left_stride = dst_stride; - } - - if ((i==4 || i==8 || i==12) && pbi->common.filter_level) - top_left = *(xd->recon_left[0] + i - 1); - else - top_left = Above[-1]; - - vp8_intra4x4_predict(Above, yleft, left_stride, - b_mode, dst, dst_stride, top_left); - - if (xd->eobs[i] ) - { - if (xd->eobs[i] > 1) - { - vp8_dequant_idct_add(b->qcoeff, DQC, dst, dst_stride); - } - else - { - vp8_dc_only_idct_add(b->qcoeff[0] * DQC[0], - dst, dst_stride, dst, dst_stride); - memset(b->qcoeff, 0, 2 * sizeof(b->qcoeff[0])); - } - } - } - } - } - else - { - vp8_build_inter_predictors_mb(xd); - } - - -#if CONFIG_ERROR_CONCEALMENT - if (corruption_detected) - { - return; - } -#endif - - if(!xd->mode_info_context->mbmi.mb_skip_coeff) - { - /* dequantization and idct */ - if (mode != B_PRED) - { - short *DQC = xd->dequant_y1; - - if (mode != SPLITMV) - { - BLOCKD *b = &xd->block[24]; - - /* do 2nd order transform on the dc block */ - if (xd->eobs[24] > 1) - { - vp8_dequantize_b(b, xd->dequant_y2); - - vp8_short_inv_walsh4x4(&b->dqcoeff[0], - xd->qcoeff); - memset(b->qcoeff, 0, 16 * sizeof(b->qcoeff[0])); - } - else - { - b->dqcoeff[0] = b->qcoeff[0] * xd->dequant_y2[0]; - vp8_short_inv_walsh4x4_1(&b->dqcoeff[0], - xd->qcoeff); - memset(b->qcoeff, 0, 2 * sizeof(b->qcoeff[0])); - } - - /* override the dc dequant constant in order to preserve the - * dc components - */ - DQC = xd->dequant_y1_dc; - } - - vp8_dequant_idct_add_y_block - (xd->qcoeff, DQC, - xd->dst.y_buffer, - xd->dst.y_stride, xd->eobs); - } - - vp8_dequant_idct_add_uv_block - (xd->qcoeff+16*16, xd->dequant_uv, - xd->dst.u_buffer, xd->dst.v_buffer, - xd->dst.uv_stride, xd->eobs+16); - } -} - -static void mt_decode_mb_rows(VP8D_COMP *pbi, MACROBLOCKD *xd, int start_mb_row) -{ - const int *last_row_current_mb_col; - int *current_mb_col; - int mb_row; - VP8_COMMON *pc = &pbi->common; - const int nsync = pbi->sync_range; - const int first_row_no_sync_above = pc->mb_cols + nsync; - int num_part = 1 << pbi->common.multi_token_partition; - int last_mb_row = start_mb_row; - - YV12_BUFFER_CONFIG *yv12_fb_new = pbi->dec_fb_ref[INTRA_FRAME]; - YV12_BUFFER_CONFIG *yv12_fb_lst = pbi->dec_fb_ref[LAST_FRAME]; - - int recon_y_stride = yv12_fb_new->y_stride; - int recon_uv_stride = yv12_fb_new->uv_stride; - - unsigned char *ref_buffer[MAX_REF_FRAMES][3]; - unsigned char *dst_buffer[3]; - int i; - int ref_fb_corrupted[MAX_REF_FRAMES]; - - ref_fb_corrupted[INTRA_FRAME] = 0; - - for(i = 1; i < MAX_REF_FRAMES; i++) - { - YV12_BUFFER_CONFIG *this_fb = pbi->dec_fb_ref[i]; - - ref_buffer[i][0] = this_fb->y_buffer; - ref_buffer[i][1] = this_fb->u_buffer; - ref_buffer[i][2] = this_fb->v_buffer; - - ref_fb_corrupted[i] = this_fb->corrupted; - } - - dst_buffer[0] = yv12_fb_new->y_buffer; - dst_buffer[1] = yv12_fb_new->u_buffer; - dst_buffer[2] = yv12_fb_new->v_buffer; - - xd->up_available = (start_mb_row != 0); - - xd->mode_info_context = pc->mi + pc->mode_info_stride * start_mb_row; - xd->mode_info_stride = pc->mode_info_stride; - - for (mb_row = start_mb_row; mb_row < pc->mb_rows; mb_row += (pbi->decoding_thread_count + 1)) - { - int recon_yoffset, recon_uvoffset; - int mb_col; - int filter_level; - loop_filter_info_n *lfi_n = &pc->lf_info; - - /* save last row processed by this thread */ - last_mb_row = mb_row; - /* select bool coder for current partition */ - xd->current_bc = &pbi->mbc[mb_row%num_part]; - - if (mb_row > 0) - last_row_current_mb_col = &pbi->mt_current_mb_col[mb_row -1]; - else - last_row_current_mb_col = &first_row_no_sync_above; - - current_mb_col = &pbi->mt_current_mb_col[mb_row]; - - recon_yoffset = mb_row * recon_y_stride * 16; - recon_uvoffset = mb_row * recon_uv_stride * 8; - - /* reset contexts */ - xd->above_context = pc->above_context; - memset(xd->left_context, 0, sizeof(ENTROPY_CONTEXT_PLANES)); - - xd->left_available = 0; - - xd->mb_to_top_edge = -((mb_row * 16)) << 3; - xd->mb_to_bottom_edge = ((pc->mb_rows - 1 - mb_row) * 16) << 3; - - if (pbi->common.filter_level) - { - xd->recon_above[0] = pbi->mt_yabove_row[mb_row] + 0*16 +32; - xd->recon_above[1] = pbi->mt_uabove_row[mb_row] + 0*8 +16; - xd->recon_above[2] = pbi->mt_vabove_row[mb_row] + 0*8 +16; - - xd->recon_left[0] = pbi->mt_yleft_col[mb_row]; - xd->recon_left[1] = pbi->mt_uleft_col[mb_row]; - xd->recon_left[2] = pbi->mt_vleft_col[mb_row]; - - /* TODO: move to outside row loop */ - xd->recon_left_stride[0] = 1; - xd->recon_left_stride[1] = 1; - } - else - { - xd->recon_above[0] = dst_buffer[0] + recon_yoffset; - xd->recon_above[1] = dst_buffer[1] + recon_uvoffset; - xd->recon_above[2] = dst_buffer[2] + recon_uvoffset; - - xd->recon_left[0] = xd->recon_above[0] - 1; - xd->recon_left[1] = xd->recon_above[1] - 1; - xd->recon_left[2] = xd->recon_above[2] - 1; - - xd->recon_above[0] -= xd->dst.y_stride; - xd->recon_above[1] -= xd->dst.uv_stride; - xd->recon_above[2] -= xd->dst.uv_stride; - - /* TODO: move to outside row loop */ - xd->recon_left_stride[0] = xd->dst.y_stride; - xd->recon_left_stride[1] = xd->dst.uv_stride; - - setup_intra_recon_left(xd->recon_left[0], xd->recon_left[1], - xd->recon_left[2], xd->dst.y_stride, - xd->dst.uv_stride); - } - - for (mb_col = 0; mb_col < pc->mb_cols; mb_col++) { - if (((mb_col - 1) % nsync) == 0) { - pthread_mutex_t *mutex = &pbi->pmutex[mb_row]; - protected_write(mutex, current_mb_col, mb_col - 1); - } - - if (mb_row && !(mb_col & (nsync - 1))) { - pthread_mutex_t *mutex = &pbi->pmutex[mb_row-1]; - sync_read(mutex, mb_col, last_row_current_mb_col, nsync); - } - - /* Distance of MB to the various image edges. - * These are 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 = ((pc->mb_cols - 1 - mb_col) * 16) << 3; - - #if CONFIG_ERROR_CONCEALMENT - { - int corrupt_residual = - (!pbi->independent_partitions && - pbi->frame_corrupt_residual) || - vp8dx_bool_error(xd->current_bc); - if (pbi->ec_active && - (xd->mode_info_context->mbmi.ref_frame == - INTRA_FRAME) && - corrupt_residual) - { - /* We have an intra block with corrupt - * coefficients, better to conceal with an inter - * block. - * Interpolate MVs from neighboring MBs - * - * Note that for the first mb with corrupt - * residual in a frame, we might not discover - * that before decoding the residual. That - * happens after this check, and therefore no - * inter concealment will be done. - */ - vp8_interpolate_motion(xd, - mb_row, mb_col, - pc->mb_rows, pc->mb_cols); - } - } - #endif - - - xd->dst.y_buffer = dst_buffer[0] + recon_yoffset; - xd->dst.u_buffer = dst_buffer[1] + recon_uvoffset; - xd->dst.v_buffer = dst_buffer[2] + recon_uvoffset; - - xd->pre.y_buffer = ref_buffer[xd->mode_info_context->mbmi.ref_frame][0] + recon_yoffset; - xd->pre.u_buffer = ref_buffer[xd->mode_info_context->mbmi.ref_frame][1] + recon_uvoffset; - xd->pre.v_buffer = ref_buffer[xd->mode_info_context->mbmi.ref_frame][2] + recon_uvoffset; - - /* propagate errors from reference frames */ - xd->corrupted |= ref_fb_corrupted[xd->mode_info_context->mbmi.ref_frame]; - - mt_decode_macroblock(pbi, xd, 0); - - xd->left_available = 1; - - /* check if the boolean decoder has suffered an error */ - xd->corrupted |= vp8dx_bool_error(xd->current_bc); - - xd->recon_above[0] += 16; - xd->recon_above[1] += 8; - xd->recon_above[2] += 8; - - if (!pbi->common.filter_level) - { - xd->recon_left[0] += 16; - xd->recon_left[1] += 8; - xd->recon_left[2] += 8; - } - - if (pbi->common.filter_level) - { - int skip_lf = (xd->mode_info_context->mbmi.mode != B_PRED && - xd->mode_info_context->mbmi.mode != SPLITMV && - xd->mode_info_context->mbmi.mb_skip_coeff); - - const int mode_index = lfi_n->mode_lf_lut[xd->mode_info_context->mbmi.mode]; - const int seg = xd->mode_info_context->mbmi.segment_id; - const int ref_frame = xd->mode_info_context->mbmi.ref_frame; - - filter_level = lfi_n->lvl[seg][ref_frame][mode_index]; - - if( mb_row != pc->mb_rows-1 ) - { - /* Save decoded MB last row data for next-row decoding */ - memcpy((pbi->mt_yabove_row[mb_row + 1] + 32 + mb_col*16), (xd->dst.y_buffer + 15 * recon_y_stride), 16); - memcpy((pbi->mt_uabove_row[mb_row + 1] + 16 + mb_col*8), (xd->dst.u_buffer + 7 * recon_uv_stride), 8); - memcpy((pbi->mt_vabove_row[mb_row + 1] + 16 + mb_col*8), (xd->dst.v_buffer + 7 * recon_uv_stride), 8); - } - - /* save left_col for next MB decoding */ - if(mb_col != pc->mb_cols-1) - { - MODE_INFO *next = xd->mode_info_context +1; - - if (next->mbmi.ref_frame == INTRA_FRAME) - { - for (i = 0; i < 16; i++) - pbi->mt_yleft_col[mb_row][i] = xd->dst.y_buffer [i* recon_y_stride + 15]; - for (i = 0; i < 8; i++) - { - pbi->mt_uleft_col[mb_row][i] = xd->dst.u_buffer [i* recon_uv_stride + 7]; - pbi->mt_vleft_col[mb_row][i] = xd->dst.v_buffer [i* recon_uv_stride + 7]; - } - } - } - - /* loopfilter on this macroblock. */ - if (filter_level) - { - if(pc->filter_type == NORMAL_LOOPFILTER) - { - loop_filter_info lfi; - FRAME_TYPE frame_type = pc->frame_type; - const int hev_index = lfi_n->hev_thr_lut[frame_type][filter_level]; - lfi.mblim = lfi_n->mblim[filter_level]; - lfi.blim = lfi_n->blim[filter_level]; - lfi.lim = lfi_n->lim[filter_level]; - lfi.hev_thr = lfi_n->hev_thr[hev_index]; - - if (mb_col > 0) - vp8_loop_filter_mbv - (xd->dst.y_buffer, xd->dst.u_buffer, xd->dst.v_buffer, recon_y_stride, recon_uv_stride, &lfi); - - if (!skip_lf) - vp8_loop_filter_bv - (xd->dst.y_buffer, xd->dst.u_buffer, xd->dst.v_buffer, recon_y_stride, recon_uv_stride, &lfi); - - /* don't apply across umv border */ - if (mb_row > 0) - vp8_loop_filter_mbh - (xd->dst.y_buffer, xd->dst.u_buffer, xd->dst.v_buffer, recon_y_stride, recon_uv_stride, &lfi); - - if (!skip_lf) - vp8_loop_filter_bh - (xd->dst.y_buffer, xd->dst.u_buffer, xd->dst.v_buffer, recon_y_stride, recon_uv_stride, &lfi); - } - else - { - if (mb_col > 0) - vp8_loop_filter_simple_mbv - (xd->dst.y_buffer, recon_y_stride, lfi_n->mblim[filter_level]); - - if (!skip_lf) - vp8_loop_filter_simple_bv - (xd->dst.y_buffer, recon_y_stride, lfi_n->blim[filter_level]); - - /* don't apply across umv border */ - if (mb_row > 0) - vp8_loop_filter_simple_mbh - (xd->dst.y_buffer, recon_y_stride, lfi_n->mblim[filter_level]); - - if (!skip_lf) - vp8_loop_filter_simple_bh - (xd->dst.y_buffer, recon_y_stride, lfi_n->blim[filter_level]); - } - } - - } - - recon_yoffset += 16; - recon_uvoffset += 8; - - ++xd->mode_info_context; /* next mb */ - - xd->above_context++; - } - - /* adjust to the next row of mbs */ - if (pbi->common.filter_level) - { - if(mb_row != pc->mb_rows-1) - { - int lasty = yv12_fb_lst->y_width + VP8BORDERINPIXELS; - int lastuv = (yv12_fb_lst->y_width>>1) + (VP8BORDERINPIXELS>>1); - - for (i = 0; i < 4; i++) - { - pbi->mt_yabove_row[mb_row +1][lasty + i] = pbi->mt_yabove_row[mb_row +1][lasty -1]; - pbi->mt_uabove_row[mb_row +1][lastuv + i] = pbi->mt_uabove_row[mb_row +1][lastuv -1]; - pbi->mt_vabove_row[mb_row +1][lastuv + i] = pbi->mt_vabove_row[mb_row +1][lastuv -1]; - } - } - } - else - vp8_extend_mb_row(yv12_fb_new, xd->dst.y_buffer + 16, - xd->dst.u_buffer + 8, xd->dst.v_buffer + 8); - - /* last MB of row is ready just after extension is done */ - protected_write(&pbi->pmutex[mb_row], current_mb_col, mb_col + nsync); - - ++xd->mode_info_context; /* skip prediction column */ - xd->up_available = 1; - - /* since we have multithread */ - xd->mode_info_context += xd->mode_info_stride * pbi->decoding_thread_count; - } - - /* signal end of frame decoding if this thread processed the last mb_row */ - if (last_mb_row == (pc->mb_rows - 1)) - sem_post(&pbi->h_event_end_decoding); - -} - - -static THREAD_FUNCTION thread_decoding_proc(void *p_data) -{ - int ithread = ((DECODETHREAD_DATA *)p_data)->ithread; - VP8D_COMP *pbi = (VP8D_COMP *)(((DECODETHREAD_DATA *)p_data)->ptr1); - MB_ROW_DEC *mbrd = (MB_ROW_DEC *)(((DECODETHREAD_DATA *)p_data)->ptr2); - ENTROPY_CONTEXT_PLANES mb_row_left_context; - - while (1) - { - if (protected_read(&pbi->mt_mutex, &pbi->b_multithreaded_rd) == 0) - break; - - if (sem_wait(&pbi->h_event_start_decoding[ithread]) == 0) - { - if (protected_read(&pbi->mt_mutex, &pbi->b_multithreaded_rd) == 0) - break; - else - { - MACROBLOCKD *xd = &mbrd->mbd; - xd->left_context = &mb_row_left_context; - - mt_decode_mb_rows(pbi, xd, ithread+1); - } - } - } - - return 0 ; -} - - -void vp8_decoder_create_threads(VP8D_COMP *pbi) -{ - int core_count = 0; - unsigned int ithread; - - pbi->b_multithreaded_rd = 0; - pbi->allocated_decoding_thread_count = 0; - pthread_mutex_init(&pbi->mt_mutex, NULL); - - /* limit decoding threads to the max number of token partitions */ - core_count = (pbi->max_threads > 8) ? 8 : pbi->max_threads; - - /* limit decoding threads to the available cores */ - if (core_count > pbi->common.processor_core_count) - core_count = pbi->common.processor_core_count; - - if (core_count > 1) - { - pbi->b_multithreaded_rd = 1; - pbi->decoding_thread_count = core_count - 1; - - CALLOC_ARRAY(pbi->h_decoding_thread, pbi->decoding_thread_count); - CALLOC_ARRAY(pbi->h_event_start_decoding, pbi->decoding_thread_count); - CALLOC_ARRAY_ALIGNED(pbi->mb_row_di, pbi->decoding_thread_count, 32); - CALLOC_ARRAY(pbi->de_thread_data, pbi->decoding_thread_count); - - for (ithread = 0; ithread < pbi->decoding_thread_count; ithread++) - { - sem_init(&pbi->h_event_start_decoding[ithread], 0, 0); - - vp8_setup_block_dptrs(&pbi->mb_row_di[ithread].mbd); - - pbi->de_thread_data[ithread].ithread = ithread; - pbi->de_thread_data[ithread].ptr1 = (void *)pbi; - pbi->de_thread_data[ithread].ptr2 = (void *) &pbi->mb_row_di[ithread]; - - pthread_create(&pbi->h_decoding_thread[ithread], 0, thread_decoding_proc, (&pbi->de_thread_data[ithread])); - } - - sem_init(&pbi->h_event_end_decoding, 0, 0); - - pbi->allocated_decoding_thread_count = pbi->decoding_thread_count; - } -} - - -void vp8mt_de_alloc_temp_buffers(VP8D_COMP *pbi, int mb_rows) -{ - int i; - - if (protected_read(&pbi->mt_mutex, &pbi->b_multithreaded_rd)) - { - /* De-allocate mutex */ - if (pbi->pmutex != NULL) { - for (i = 0; i < mb_rows; i++) { - pthread_mutex_destroy(&pbi->pmutex[i]); - } - vpx_free(pbi->pmutex); - pbi->pmutex = NULL; - } - - vpx_free(pbi->mt_current_mb_col); - pbi->mt_current_mb_col = NULL ; - - /* Free above_row buffers. */ - if (pbi->mt_yabove_row) - { - for (i=0; i< mb_rows; i++) - { - vpx_free(pbi->mt_yabove_row[i]); - pbi->mt_yabove_row[i] = NULL ; - } - vpx_free(pbi->mt_yabove_row); - pbi->mt_yabove_row = NULL ; - } - - if (pbi->mt_uabove_row) - { - for (i=0; i< mb_rows; i++) - { - vpx_free(pbi->mt_uabove_row[i]); - pbi->mt_uabove_row[i] = NULL ; - } - vpx_free(pbi->mt_uabove_row); - pbi->mt_uabove_row = NULL ; - } - - if (pbi->mt_vabove_row) - { - for (i=0; i< mb_rows; i++) - { - vpx_free(pbi->mt_vabove_row[i]); - pbi->mt_vabove_row[i] = NULL ; - } - vpx_free(pbi->mt_vabove_row); - pbi->mt_vabove_row = NULL ; - } - - /* Free left_col buffers. */ - if (pbi->mt_yleft_col) - { - for (i=0; i< mb_rows; i++) - { - vpx_free(pbi->mt_yleft_col[i]); - pbi->mt_yleft_col[i] = NULL ; - } - vpx_free(pbi->mt_yleft_col); - pbi->mt_yleft_col = NULL ; - } - - if (pbi->mt_uleft_col) - { - for (i=0; i< mb_rows; i++) - { - vpx_free(pbi->mt_uleft_col[i]); - pbi->mt_uleft_col[i] = NULL ; - } - vpx_free(pbi->mt_uleft_col); - pbi->mt_uleft_col = NULL ; - } - - if (pbi->mt_vleft_col) - { - for (i=0; i< mb_rows; i++) - { - vpx_free(pbi->mt_vleft_col[i]); - pbi->mt_vleft_col[i] = NULL ; - } - vpx_free(pbi->mt_vleft_col); - pbi->mt_vleft_col = NULL ; - } - } -} - - -void vp8mt_alloc_temp_buffers(VP8D_COMP *pbi, int width, int prev_mb_rows) -{ - VP8_COMMON *const pc = & pbi->common; - int i; - int uv_width; - - if (protected_read(&pbi->mt_mutex, &pbi->b_multithreaded_rd)) - { - vp8mt_de_alloc_temp_buffers(pbi, prev_mb_rows); - - /* our internal buffers are always multiples of 16 */ - if ((width & 0xf) != 0) - width += 16 - (width & 0xf); - - if (width < 640) pbi->sync_range = 1; - else if (width <= 1280) pbi->sync_range = 8; - else if (width <= 2560) pbi->sync_range =16; - else pbi->sync_range = 32; - - uv_width = width >>1; - - /* Allocate mutex */ - CHECK_MEM_ERROR(pbi->pmutex, vpx_malloc(sizeof(*pbi->pmutex) * - pc->mb_rows)); - if (pbi->pmutex) { - for (i = 0; i < pc->mb_rows; i++) { - pthread_mutex_init(&pbi->pmutex[i], NULL); - } - } - - /* Allocate an int for each mb row. */ - CALLOC_ARRAY(pbi->mt_current_mb_col, pc->mb_rows); - - /* Allocate memory for above_row buffers. */ - CALLOC_ARRAY(pbi->mt_yabove_row, pc->mb_rows); - for (i = 0; i < pc->mb_rows; i++) - CHECK_MEM_ERROR(pbi->mt_yabove_row[i], vpx_memalign(16,sizeof(unsigned char) * (width + (VP8BORDERINPIXELS<<1)))); - - CALLOC_ARRAY(pbi->mt_uabove_row, pc->mb_rows); - for (i = 0; i < pc->mb_rows; i++) - CHECK_MEM_ERROR(pbi->mt_uabove_row[i], vpx_memalign(16,sizeof(unsigned char) * (uv_width + VP8BORDERINPIXELS))); - - CALLOC_ARRAY(pbi->mt_vabove_row, pc->mb_rows); - for (i = 0; i < pc->mb_rows; i++) - CHECK_MEM_ERROR(pbi->mt_vabove_row[i], vpx_memalign(16,sizeof(unsigned char) * (uv_width + VP8BORDERINPIXELS))); - - /* Allocate memory for left_col buffers. */ - CALLOC_ARRAY(pbi->mt_yleft_col, pc->mb_rows); - for (i = 0; i < pc->mb_rows; i++) - CHECK_MEM_ERROR(pbi->mt_yleft_col[i], vpx_calloc(sizeof(unsigned char) * 16, 1)); - - CALLOC_ARRAY(pbi->mt_uleft_col, pc->mb_rows); - for (i = 0; i < pc->mb_rows; i++) - CHECK_MEM_ERROR(pbi->mt_uleft_col[i], vpx_calloc(sizeof(unsigned char) * 8, 1)); - - CALLOC_ARRAY(pbi->mt_vleft_col, pc->mb_rows); - for (i = 0; i < pc->mb_rows; i++) - CHECK_MEM_ERROR(pbi->mt_vleft_col[i], vpx_calloc(sizeof(unsigned char) * 8, 1)); - } -} - - -void vp8_decoder_remove_threads(VP8D_COMP *pbi) -{ - /* shutdown MB Decoding thread; */ - if (protected_read(&pbi->mt_mutex, &pbi->b_multithreaded_rd)) - { - int i; - - protected_write(&pbi->mt_mutex, &pbi->b_multithreaded_rd, 0); - - /* allow all threads to exit */ - for (i = 0; i < pbi->allocated_decoding_thread_count; i++) - { - sem_post(&pbi->h_event_start_decoding[i]); - pthread_join(pbi->h_decoding_thread[i], NULL); - } - - for (i = 0; i < pbi->allocated_decoding_thread_count; i++) - { - sem_destroy(&pbi->h_event_start_decoding[i]); - } - - sem_destroy(&pbi->h_event_end_decoding); - - vpx_free(pbi->h_decoding_thread); - pbi->h_decoding_thread = NULL; - - vpx_free(pbi->h_event_start_decoding); - pbi->h_event_start_decoding = NULL; - - vpx_free(pbi->mb_row_di); - pbi->mb_row_di = NULL ; - - vpx_free(pbi->de_thread_data); - pbi->de_thread_data = NULL; - } - pthread_mutex_destroy(&pbi->mt_mutex); -} - -void vp8mt_decode_mb_rows( VP8D_COMP *pbi, MACROBLOCKD *xd) -{ - VP8_COMMON *pc = &pbi->common; - unsigned int i; - int j; - - int filter_level = pc->filter_level; - YV12_BUFFER_CONFIG *yv12_fb_new = pbi->dec_fb_ref[INTRA_FRAME]; - - if (filter_level) - { - /* Set above_row buffer to 127 for decoding first MB row */ - memset(pbi->mt_yabove_row[0] + VP8BORDERINPIXELS-1, 127, yv12_fb_new->y_width + 5); - memset(pbi->mt_uabove_row[0] + (VP8BORDERINPIXELS>>1)-1, 127, (yv12_fb_new->y_width>>1) +5); - memset(pbi->mt_vabove_row[0] + (VP8BORDERINPIXELS>>1)-1, 127, (yv12_fb_new->y_width>>1) +5); - - for (j=1; j<pc->mb_rows; j++) - { - memset(pbi->mt_yabove_row[j] + VP8BORDERINPIXELS-1, (unsigned char)129, 1); - memset(pbi->mt_uabove_row[j] + (VP8BORDERINPIXELS>>1)-1, (unsigned char)129, 1); - memset(pbi->mt_vabove_row[j] + (VP8BORDERINPIXELS>>1)-1, (unsigned char)129, 1); - } - - /* Set left_col to 129 initially */ - for (j=0; j<pc->mb_rows; j++) - { - memset(pbi->mt_yleft_col[j], (unsigned char)129, 16); - memset(pbi->mt_uleft_col[j], (unsigned char)129, 8); - memset(pbi->mt_vleft_col[j], (unsigned char)129, 8); - } - - /* Initialize the loop filter for this frame. */ - vp8_loop_filter_frame_init(pc, &pbi->mb, filter_level); - } - else - vp8_setup_intra_recon_top_line(yv12_fb_new); - - setup_decoding_thread_data(pbi, xd, pbi->mb_row_di, pbi->decoding_thread_count); - - for (i = 0; i < pbi->decoding_thread_count; i++) - sem_post(&pbi->h_event_start_decoding[i]); - - mt_decode_mb_rows(pbi, xd, 0); - - sem_wait(&pbi->h_event_end_decoding); /* add back for each frame */ -} |